CN201979272U - Front oil seal compacting kit for automobile engine - Google Patents
Front oil seal compacting kit for automobile engine Download PDFInfo
- Publication number
- CN201979272U CN201979272U CN2011200502226U CN201120050222U CN201979272U CN 201979272 U CN201979272 U CN 201979272U CN 2011200502226 U CN2011200502226 U CN 2011200502226U CN 201120050222 U CN201120050222 U CN 201120050222U CN 201979272 U CN201979272 U CN 201979272U
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- China
- Prior art keywords
- press
- oil seal
- front oil
- fairlead
- backstay
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- Expired - Fee Related
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Abstract
The utility model relates to a tool for compacting a sealing component, in particular to a front oil seal compacting kit for an automobile engine. The kit comprises a coaxial positioning rod (1), a compacting part (3) for which can be relatively slidingly sleeved on the positioning rod (1) and is provided with a compacting end corresponds to a front oil seal (2) in shape, and a guide sleeve (4) which can be relatively slidingly sleeved on the compacting part (3). Through the technical solution, the compacted compacting end corresponds to the front oil seal in shape, so that the compacting force of the front oil seal is ensured to be balanced, and the compacted oil seal has a better sealing property; the kit is made of 45# steel, the vulnerable part (such as a compacting part or a positioning rod) is thermally treated when the kit is at work, so that the durability of the kit is ensured; the gross weight of the kit is 1.5kg, so that the operation convenience of people is ensured; with a pneumatic wrench driving interface, the working intensity can be reduced; and the front oil seal compacting kit for the automobile engine has a simple structure and is compact and flexible to use.
Description
Technical field
The utility model relates to a kind of instrument that potted component is press-fited, and relates in particular to a kind of automobile engine Front oil seal press-fitting tool.
Background technology
The engine Front oil seal is the important sealing of engine (lubricating oil) element, quality and performance to engine have material impact, the Front oil seal leakage of oil is an engine common faults problem, in the factor that influences the Front oil seal leakage of oil, except the problem of parts own, the oil sealing assembling is one of leakage of oil major reason, so the matching requirements of Front oil seal are relatively stricter.Man of general engine works assembling oil sealing adopts press-fit approach, press-fits form and divides two kinds: the one, at streamline line external application special equipment Front oil seal is fitted on the timing cover, and then the assembling timing cover.The method shortcoming is: the press-loading device complex structure, and the cost height, the timing cover assembling that has oil sealing is difficult; The 2nd, on production line, press-fit Front oil seal with hand-held frock, frock adopts split-type structural, screws in bent axle microcephaly screwed hole location with detent mechanism earlier, press-fit with press-loading device then, complex operation, efficient is low.
China's utility model patent (CN201720672U) discloses a kind of pressing machine that is exclusively used in timing chain guard oil sealing, it has designed special-purpose pressure head and wedge, utilize workpiece reference column and workpiece fixed stop to guarantee the positional precision that oil sealing press-fits, fit dimension reasonable in design guarantees that oil sealing is pressed into the appropriate degree of depth and sealing are reliably arranged when timing chain covers on the Front oil seal mounting hole site between special-purpose pressure head and the wedge, can tolerate 0.5MPa pressure does not reveal or oozes out, reduce working strength of workers greatly, enhance productivity.But the pile press machine of this technical scheme is bulky, and complex structure clamps workpiece or location effort, and it is convenient inadequately to use.
The utility model content
For solving the deficiencies in the prior art, the utility model provides a kind of automobile engine Front oil seal press-fitting tool lightly flexible, simple in structure.
For achieving the above object, automobile engine Front oil seal press-fitting tool of the present utility model, the backstay that comprises coaxial line, that can slide relatively is sleeved on the backstay, has the press-fit portion that press-fits end with the Front oil seal shape accordingly, that can slide relatively is sleeved on fairlead on the press-fit portion, described backstay is by the backstay body, be connected in the power connecting portion of carried of the rotary power of backstay body front end, be connected in backstay body tail end, can screw in the bent axle microcephaly under the driving of rotary power holds the screw thread portion of screwing in the screwed hole to form, when described press-fit portion screws in the screwed hole of bent axle small end head in the screw thread portion of screwing, bear the axis thrust that edge that backstay applies screws direction and in fairlead, slide, and drive and press-fit end face and compress Front oil seal.
As improvement to aforesaid way, between fairlead and press-fit portion, be provided with the resetting means that press-fit portion is carried out return, described resetting means is by being sleeved on spring on the fairlead, slidably being sleeved on the press-fit portion, contacting the back-up ring that cooperates with the fairlead front end face and the shaft block ring that is fixedly set on the press-fit portion is formed, described back-up ring is arranged between shaft block ring and the spring, one end overhead of spring is on the vertical end face of ladder platform of fairlead, and the other end contacts cooperation with back-up ring.
Specifically, the backstay body of above-mentioned power connecting portion end is provided with boss, and the front end of press-fit portion contacts cooperation with boss.
Further improvement as to aforesaid way is provided with keyway on the backstay body, described fairlead is provided with the jackscrew that gos deep in the keyway, slides along keyway.
In addition, above-mentioned press-fiting held with the press-fit portion body cup-shaped, and nested being positioned in the fairlead with cup-shaped groove.
The end face of above-mentioned power connecting portion is square.
Adopt technique scheme, its effect is as follows:
1, the utility model frock overall structure is made up of backstay, press-fit portion, the fairlead of coaxial line, realize press-fit portion press-fiting by being slidingly matched between each parts to Front oil seal, it is simple in structure, and press-fit press-fit the end corresponding with the Front oil seal shape, guaranteed the stress equalization that Front oil seal press-fits, made the Sealing Performance of Oil Seal after press-fiting better; This frock can adopt the 45# steel to do, and rapid wear part (as press-fit portion, backstay) is heat-treated the durability that guarantees frock during work, its gross weight 1.5KG, convenience that can guarantor's operation; Be furnished with pneumatic wrench and drive interface, alleviate working strength.
2, resetting means is set, guarantee to press-fit finish after, press-fit portion can be got back to initial position automatically, guarantees that each material loading need not other actions;
3, the backstay body is provided with keyway, and the jackscrew that is arranged on the fairlead slidably embeds in the keyway, prevents the rotation of pressure head in press-fiting process effectively, guarantees that oil sealing press-fits nothing rotation in the process, thereby prevents to damage oil sealing in the frock high speed operation process;
4, the end face of power connecting portion is square, can make things convenient for pneumatic wrench to be connected.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the utility model is done further to describe in detail:
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model under in working order.
Among the figure: 1, backstay; 2, Front oil seal; 3, press-fit portion; 4, fairlead; 5, backstay body; 6, power connecting portion; 7, screw thread screws portion; 8, the little head end of bent axle; 9, spring; 10, back-up ring; 11, shaft block ring; 12, boss; 13, keyway; 14, jackscrew; 15, bent axle.
The specific embodiment
By as can be known shown in Figure 1, automobile engine Front oil seal press-fitting tool of the present utility model comprise backstay 1, can slide relatively be sleeved on the backstay 1, have with Front oil seal 2 shapes press-fit accordingly end press-fit portion 3, can slide relatively be sleeved on fairlead 4 on the press-fit portion 3, backstay 1, press-fit portion 3 and fairlead 4 coaxial lines.Backstay 1 by backstay body 5, carried of the rotary power that is connected in backstay body 5 front ends, end surface shape be square power connecting portion 6, be connected in backstay body 5 tail ends, under the driving of rotary power, can screw in the bent axle microcephaly and hold screw thread in 8 screwed holes to screw portion 7 to form.The backstay body 5 of power connecting portion 6 one ends is provided with boss 12.The front end of press-fit portion 3 contacts cooperation with boss 12.
Between fairlead 4 and backstay 1, be provided with the resetting means that press-fit portion 3 is carried out return, this resetting means is by the spring 9 that is sleeved on the fairlead 4, be sleeved on the press-fit portion 3, the shaft block ring 11 that contacts the back-up ring 10 that cooperates with fairlead 4 front end faces and be fixedly set on the press-fit portion 3 is formed, back-up ring 10 can slide on press-fit portion 3, press-fit portion 3 is provided with groove, shaft block ring 11 embeds being connected of interior realization of groove and press-fit portion 3, when being connected, shaft block ring 11 has the part that exceeds press-fit portion 3, and its bossing that exceeds contacts cooperation with the left side of back-up ring 10.Back-up ring 10 is arranged between shaft block ring 11 and the spring 9, and the front end of fairlead 4 is provided with the ladder platform, and an end overhead of spring 9 is on the vertical end face of ladder platform of fairlead 4, and the other end contacts cooperation with back-up ring 10.Be provided with keyway 13 on backstay body 5, fairlead 4 is provided with the jackscrew 14 that gos deep in the keyway 13, slides along keyway 13.
It is cup-shaped with the press-fit portion body to press-fit end, and nested being positioned in the fairlead 4 with cup-shaped groove, specifically, press-fiting end is to be positioned at the part that the bent axle microcephaly holds 8 pairs of Front oil seals 2 to press-fit, this part end face diameter is greater than the end face diameter of press-fit portion body, promptly from Fig. 1, show as stairstepping, same cup-shaped cavity volume is set in the fairlead 4, make the outer surface and fairlead 4 inwalls that press-fit end realize being slidingly matched.The purpose of this structure mainly is based on integrally-built consideration, make and press-fit end and can press with Front oil seal 2 vertical junction and close, the end face that press-fits end can fully be fitted with Front oil seal 2, make and press-fit best results, built-in stepped of fairlead 4 can realize the location that fairlead 4 is realized move left and right in addition.
When design, the whole position relation of considering between each parts of the present utility model, when working method of the present utility model being elaborated, each component locations relation of the present utility model is described below in conjunction with Fig. 2.
By as can be known shown in Figure 2, at first, Front oil seal 2 is arranged on bulged-in assigned address.Then, linked to each other with power connecting portion 6 by pneumatic wrench, start pneumatic wrench, in the time of connecting portion 6 rotations, the screw thread of its right-hand member screws portion 7 and screws in the bent axle microcephaly gradually and hold in 8 screwed holes.In the process that backstay 1 moves to right, boss 12 contacts cooperation with the left side of press-fit portion 3, rotation and level by boss 12 move to right, press-fit portion 3 is applied spin friction power and level thrust to the right,, limited the rotation of press-fit portion 3 because jackscrew 14 embeds in the keyway 13, at this moment, press-fit portion 3 has only level moving to the right, and in the process of moving right, the end that press-fits of its right-hand member progressively compresses Front oil seal 2.In the process that compresses, press-fit portion 3 moves right by the shaft block ring 11 promotion back-up rings 10 that are fixed on its body, in the process that back-up ring 10 moves to right spring 9 is progressively compressed, promoting fairlead 4 simultaneously moves to right, until right-hand member overhead transfixion on bent axle 15 front end faces of fairlead 4, at this moment, spring 9 continues to be compressed, press-fit portion 3 is slided to the right in fairlead 4, until Front oil seal is pressed into fully.
Press-fit finish after, by the pneumatic wrench reverse rotation, the screw thread that drives backstay 1 right-hand member screws portion 7 and goes out to left-handed in the screwed hole, in the process that backstay 1 moves to left, because being applied to the power of press-fit portion 3 left ends, boss 12 disappears, under the effect of the restoring force of spring 9, promoting back-up ring 10 by spring 9 left ends moves to left, back-up ring 10 promotes press-fit portion 3 by shaft block ring 11 and moves to left, and when the vertical end face of ladder in the fairlead 4 contacted, press-fit portion 3 stopped to move to left until the vertical end face of the ladder that press-fits end.So far, one press-fits operation and finishes.
The above-mentioned specific embodiment is a best occupation mode of the present utility model; should not understand is restriction to technical solutions of the utility model; in specific design and application process, may have some variations; as the end surface shape of each parts, the installation form of resetting means etc.; but change howsoever; so long as, all belong to protection domain of the present utility model without prejudice to design of the present utility model.
Claims (6)
1. automobile engine Front oil seal press-fitting tool, it is characterized in that: this frock comprises the backstay (1) of coaxial line, that can slide relatively is sleeved on the backstay (1), has the press-fit portion (3) that press-fits end with Front oil seal (2) shape accordingly, that can slide relatively is sleeved on fairlead (4) on the press-fit portion (3), described backstay (1) is by backstay body (5), be connected in the power connecting portion (6) of carried of the rotary power of backstay body (5) front end, be connected in backstay body (5) tail end, the screw thread that can screw under the driving of rotary power in the little head end of bent axle (8) screwed hole screws portion (7) composition, when described press-fit portion (3) screws the screwed hole of portion (7) screw-in bent axle small end head (8) at screw thread, bear the axis thrust that edge that backstay (1) applies screws direction and in fairlead (4), slide, and drive and press-fit end face and compress Front oil seal (2).
2. automobile engine Front oil seal press-fitting tool according to claim 1, it is characterized in that: between fairlead (4) and press-fit portion (3), be provided with the resetting means that press-fit portion (3) is carried out return, described resetting means is by the spring (9) that is sleeved on the fairlead (4), slidably be sleeved on the press-fit portion (3), the shaft block ring (11) that contacts the back-up ring (10) that cooperates with fairlead (4) front end face and be fixedly set on the press-fit portion (3) is formed, described back-up ring (10) is arranged between shaft block ring (11) and the spring (9), one end overhead of spring (9) is on the vertical end face of ladder platform of fairlead (4), and the other end contacts cooperation with back-up ring (10).
3. automobile engine Front oil seal press-fitting tool according to claim 1 and 2 is characterized in that: the backstay body (5) of power connecting portion (6) end is provided with boss (12), and the front end of press-fit portion (3) contacts cooperation with boss (12).
4. automobile engine Front oil seal press-fitting tool according to claim 3, it is characterized in that: be provided with keyway (13) on backstay body (5), described fairlead (4) is provided with the jackscrew (14) that gos deep in the keyway (13), slides along keyway (13).
5. automobile engine Front oil seal press-fitting tool according to claim 3 is characterized in that: described to press-fit end cup-shaped with the press-fit portion body, and nested being positioned in the fairlead (4) with cup-shaped groove.
6. automobile engine Front oil seal press-fitting tool according to claim 1 is characterized in that: the end face of described power connecting portion (6) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200502226U CN201979272U (en) | 2011-02-28 | 2011-02-28 | Front oil seal compacting kit for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200502226U CN201979272U (en) | 2011-02-28 | 2011-02-28 | Front oil seal compacting kit for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979272U true CN201979272U (en) | 2011-09-21 |
Family
ID=44606740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200502226U Expired - Fee Related CN201979272U (en) | 2011-02-28 | 2011-02-28 | Front oil seal compacting kit for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979272U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328439A (en) * | 2015-11-27 | 2016-02-17 | 广西玉柴机器股份有限公司 | Engine back oil seal and mounting method thereof |
| CN108068052A (en) * | 2016-11-11 | 2018-05-25 | 北京福田康明斯发动机有限公司 | Oil seal for crankshaft of engine installation tool |
| CN108274215A (en) * | 2018-01-17 | 2018-07-13 | 广东威灵电机制造有限公司 | Tooling for installing motor shaft |
-
2011
- 2011-02-28 CN CN2011200502226U patent/CN201979272U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328439A (en) * | 2015-11-27 | 2016-02-17 | 广西玉柴机器股份有限公司 | Engine back oil seal and mounting method thereof |
| CN108068052A (en) * | 2016-11-11 | 2018-05-25 | 北京福田康明斯发动机有限公司 | Oil seal for crankshaft of engine installation tool |
| CN108274215A (en) * | 2018-01-17 | 2018-07-13 | 广东威灵电机制造有限公司 | Tooling for installing motor shaft |
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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: 20110921 Termination date: 20180228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |