CN203542508U - Valve oil seal assembly tool - Google Patents
Valve oil seal assembly tool Download PDFInfo
- Publication number
- CN203542508U CN203542508U CN201320664458.8U CN201320664458U CN203542508U CN 203542508 U CN203542508 U CN 203542508U CN 201320664458 U CN201320664458 U CN 201320664458U CN 203542508 U CN203542508 U CN 203542508U
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- Prior art keywords
- oil seal
- valve oil
- press
- fit
- bar
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- Withdrawn - After Issue
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Abstract
The utility model discloses a valve oil seal assembly tool, comprising a press fitting rod, a positioning rod, a sliding sleeve and a handle, wherein the press fitting rod and the sliding sleeve are connected in a sliding fit way; a positioning rod mounting hole is formed in the first end of the press fitting rod; the second end of the press fitting rod is fixedly connected with the handle; the positioning rod is provided with a fixed end matched with the positioning rod mounting hole and a positioning end matched with a valve guide pipe. The contact area of the valve oil seal assembly tool and an engine cylinder cover is enlarged by the sliding sleeve, the press fitting in an overhanging state of a valve oil seal is avoided, the valve guide pipe is effectively protected and positioned by the positioning rod, the stress of the valve oil seal during assembly is more uniform, and the damage caused by uneven stress of the valve oil seal is prevented.
Description
Technical field
The utility model relates to automobile assembling accessory field, particularly a kind of valve oil seal assembly tool.
Background technology
Valve oil seal is for the sealing of engine cylinder cap air valve conduit, can prevent that machine oil from entering air inlet-outlet pipe, the mist and the discharging waste gas that prevent gasoline and air are leaked, prevent that engine motor oil from entering combustion chamber, valve oil seal needs at high temperature to contact with gasoline and machine oil, and its assembly quality affects the performance of engine complete machine.
As shown in Figure 1, the conventional assembly method of valve oil seal is that valve oil seal 4 is enclosed within on accessory 10 at present, valve oil seal 4 is directly pressed in the valve guide bushing 3 of engine cylinder cover 2.Because valve oil seal 4 is flexible materials, the position that itself and valve guide bushing 3 assemble protrudes from engine cylinder cover 2, in assembling process, easily because causing valve oil seal 4, accessory unbalance stress can not coordinate completely with valve guide bushing 3, the inner wall abrasion that valve oil seal 4 contacts with valve guide bushing 3 or break, even cause valve guide bushing 3 flexural deformations, finally affect the work of engine complete machine.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of valve oil seal assembly tool that can effectively protect valve oil seal in assembling process.
For solving the problems of the technologies described above, the valve oil seal assembly tool that the utility model provides comprises and press-fits bar, backstay, sliding sleeve and handle;
Describedly press-fit bar and described sliding sleeve sliding connection, described in press-fit bar first end be provided with backstay installing hole, described in press-fit bar the second end be fixedly connected with described handle;
Described backstay has the stiff end coordinating with described backstay installing hole and the positioning end coordinating with valve guide bushing.
Preferably, the quality of fit that press-fits bar and described sliding sleeve described in is H7/g6.
Preferably, described backstay installing hole with described in to press-fit bar coaxial, described backstay installing hole has the canned paragraph coordinating with the stiff end of described backstay and the positioning section coordinating with valve oil seal.
More preferably, the quality of fit of the canned paragraph of the stiff end of described backstay and described backstay installing hole is H7/h6, and by the screw radially arranging, the stiff end of described backstay is fixed in described backstay installing hole.
Preferably, also comprise measuring staff and straight pin;
Described the second end that press-fits bar is axially provided with measuring staff hole, described measuring staff and the hole sliding connection of described measuring staff;
On described sliding sleeve, radially connect and be provided with the first fixing hole, described press-fit on bar radially connect and be provided with mounting hole, one end of described measuring staff is provided with the second fixing hole, described straight pin is through described the first fixing hole, mounting hole and the second fixing hole, described sliding sleeve is relative with described measuring staff fixing, described in press-fit bar and can be free to slide along described sliding sleeve and described measuring staff.
More preferably, the axial stroke of described straight pin in described mounting hole equals the assembling height of valve oil seal.
More preferably, described handle by internal thread with described in press-fit bar the externally threaded of the second end be fixed, the end face of described handle with described in press-fit the end face of the second end of bar;
When described valve oil seal has assembled, described in press-fit the end face of the end face of the second end and the other end of described measuring staff of bar.
More preferably, the quality of fit between described measuring staff and described measuring staff hole is H7/f6, and the quality of fit between described straight pin and described the first fixing hole and described two fixing holes is H7/n6.
Preferably, the outer wall that press-fits bar described in is provided with the spacing shaft shoulder for preventing that described sliding sleeve from coming off.
More preferably, between the described spacing shaft shoulder and described handle, be provided with Compress Spring.
Sliding sleeve in the utility model valve oil seal assembly tool has increased the contact area of valve oil seal assembly tool and engine cylinder cover; avoided the unsettled of valve oil seal to press-fit; effectively protected valve guide bushing; and by backstay, valve guide bushing is positioned; make stressed more even in when assembling of valve oil seal, thereby prevented the damage that valve oil seal causes because of unbalance stress.
Accompanying drawing explanation
Fig. 1 is the use schematic diagram of traditional valve oil seal assembling accessory;
Fig. 2 is the use schematic diagram of the utility model valve oil seal assembly tool embodiment;
Fig. 3 is the schematic diagram of the valve oil seal of the utility model valve oil seal assembly tool embodiment while having assembled;
Fig. 4 is the structural representation that press-fits bar of the utility model valve oil seal assembly tool embodiment;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the structural representation of the backstay of the utility model valve oil seal assembly tool embodiment;
Fig. 7 is the structural representation of engine cylinder cover and valve guide bushing;
Fig. 8 is the structural representation of valve oil seal;
Fig. 9 is the calculating schematic diagram of the process dimension chain of the utility model valve oil seal assembly tool embodiment.
In figure, indicate as follows:
Valve oil seal assembly tool-1, press-fit bar-11, first end-111, the second end-112, backstay installing hole-113, canned paragraph-1131, positioning section-1132, screw mounting hole-114, measuring staff hole-115, mounting hole-116, external screw thread-117, the spacing shaft shoulder-118, backstay-12, stiff end-121, positioning end-122, sliding sleeve-13, screw disassembling hole-131, the first fixing hole-132, handle-14, screw-15, measuring staff-16, the second fixing hole-161, straight pin-17, Compress Spring-18, accessory-10, engine cylinder cover-2, valve guide bushing-3, valve oil seal-4, larger end-41, compared with small end-42.
The specific embodiment
For above-mentioned purpose, the feature and advantage of utility model can be become apparent more, below the specific embodiment of the present utility model is described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, so the utility model is not subject to the restriction of following public specific embodiment.
As shown in Figures 2 to 6, the utility model valve oil seal assembly tool 1 comprises and press-fits bar 11, backstay 12, sliding sleeve 13 and handle 14; Describedly press- fit bar 11 and 13 sliding connections of described sliding sleeve, the described first end 111 that press-fits bar 11 is provided with backstay installing hole 113, described the second end 112 that press-fits bar 11 is fixedly connected with described handle 14, above-mentioned being fixedly connected with can connect or the realization such as be threaded by welding, key, and the shape of handle 14 can be spherical or tubulose etc.; Described backstay 12 has the stiff end 121 coordinating with described backstay installing hole 113 and the positioning end 122 coordinating with valve guide bushing 3.
When assembling valve oil seal, valve oil seal 4 is enclosed within on the positioning end 122 of backstay 12 of valve oil seal assembly tool 1, and positioning end 122 is inserted in valve guide bushing 3, the Surface Contact of the end face of sliding sleeve 13 and engine cylinder cover 2, the application of force on handle 14, now press-fit bar 11 in the interior motion of the direction towards valve guide bushing 3 of sliding sleeve 13, when valve oil seal 4 and valve guide bushing 3 have assembled, take off valve oil seal assembly tool 1.
Because sliding sleeve 13 has increased the contact area of valve oil seal assembly tool 1 with engine cylinder cover 2, avoided the power of valve oil seal assembly tool 1 to be all applied on valve oil seal 4 and valve guide bushing 3, prevent that the unsettled of valve oil seal 4 from press-fiting, thereby effectively protected valve guide bushing 3; And can position valve guide bushing 3 by backstay 12, make valve oil seal 4 suffered power in when assembling all directions more even, thereby prevented the damage that valve oil seal 4 causes because of unbalance stress.In order to facilitate the positioning end 122 of backstay 12 to insert in valve guide bushings 3, the termination of positioning end 122 preferably can be as being taper in Fig. 6, when the internal diameter of valve guide bushing 3 is
time, the accuracy of manufacture of the positioning end 122 of backstay 12 is preferably 6.55g6, and backstay 12 can more successfully insert in valve guide bushing 3 like this.
In a preferred embodiment of the present utility model, described in press-fit bar 11 and described sliding sleeve 13 quality of fit be H7/g6, making to press-fit bar 11 can be along the smooth movement of sliding sleeve 13.
In order further to make stressed more even in when assembling of valve oil seal 4, described backstay installing hole 113 is preferably with described to press-fit bar 11 coaxial, and described backstay installing hole 113 has the canned paragraph 1131 coordinating with the stiff end 121 of described backstay 12 and the positioning section 1132 coordinating with valve oil seal 4.As shown in Fig. 2, Fig. 3 and Fig. 8, can the matching with the positioning section 1132 in location and installation hole 113 compared with small end 42 of valve oil seal 4, valve oil seal 4 can be located better in assembling like this, and the power of bearing on valve oil seal 4 in assembling process can be more even.
The stiff end 121 of backstay 12 can be interference fit or matched in clearance with coordinating of the canned paragraph 1131 in location and installation hole 113, when the quality of fit of the stiff end 121 of described backstay 12 and the canned paragraph 1131 of described backstay installing hole 113 is H7/h6, also by the screw 15 radially arranging, the stiff end of described backstay 12 121 is fixed in described backstay installing hole 113, further, in order to be convenient for changing backstay 12, can on described sliding sleeve 13, be provided with the screw disassembling hole 131 corresponding with described screw 15, do not need like this backstay 12 and press-fit bar 11 backstay 12 to be dismantled from the interior taking-up of sliding sleeve 13.
In another preferred embodiment of the present utility model, valve oil seal assembly tool 1 also comprises measuring staff 16 and straight pin 17; Described the second end 112 that press-fits bar 11 is axially provided with measuring staff hole 115, described measuring staff 16 and 115 sliding connections of described measuring staff hole; On described sliding sleeve 13, radially connect and be provided with the first fixing hole 132, described press-fit on bar 11 radially connect and be provided with mounting hole 116, one end of described measuring staff 16 is provided with the second fixing hole 161, described straight pin 17 is through described the first fixing hole 132, mounting hole 116 and the second fixing hole 161, described sliding sleeve 13 is relative fixing with described measuring staff 16, be sliding sleeve 13 transfixion relative to measuring staff 16, describedly press-fit bar 11 and can be free to slide along described sliding sleeve 13 and described measuring staff 16, described in press-fit the stroke of bar 11 in sliding sleeve 13 and controlled by mounting hole 116.
Being provided with of measuring staff 16 and straight pin 17 be beneficial to control valve oil seal 4 press-fit the degree of depth (being the movement travel that press-fits bar 11 of valve oil seal assembly tool 1), when operator is on handle 14 during the application of force, sliding sleeve 13, straight pin 17 are relative with measuring staff 16 fixing, the degree of depth that press-fits of valve oil seal 4 is controlled by the length along press-fiting on bar 11 axial directions of mounting hole 116, can effectively avoid like this valve oil seal 4 excessively to press-fit and causes damaging.Preferably, the axial stroke of described straight pin 17 in described mounting hole 116 equals the assembling height h of valve oil seal 4, when operator is on handle 14 during the application of force, press-fit bar 11 towards the direction motion of valve guide bushing 3, press-fit bar 11 and produce relative motion with respect to straight pin 17, when the application of force on handle 14 to straight pin 17 is positioned at mounting hole 116 away from one end of valve guide bushing 3, because the axial stroke of straight pin 17 in mounting hole 132 equals the assembling height h of valve oil seal 4, now valve oil seal 4 has assembled, the larger end 41 that is valve oil seal 4 is fitted completely with valve guide bushing 3, even if operator continues the application of force on handle 14, press-fiting bar 11 also cannot move, valve oil seal 4 can excessively not press-fit.
In the another preferred embodiment of the utility model, described handle 14 by internal thread with described in press-fit together with being fixed of external screw thread 117 of the second end 112 of bar 11, the end face of described handle 14 with described in press-fit the end face of the second end 112 of bar 11, the end face of above-mentioned handle 14 refers to that handle 14 is away from the end face of one end of valve guide bushing 3; When described valve oil seal 4 has assembled, described in press-fit the end face of the end face of the second end 112 and the other end of described measuring staff 16 of bar 11, handle 14, press-fit the end face of the second end 112 of bar 11 and the other end of measuring staff 16.When the larger end 41 of valve oil seal 4 is fitted completely with valve guide bushing 3, be that valve oil seal 4 is when assembled, operating personnel estimate handle 14, press-fit the end face of the second end 112 of bar 11 and the other end of measuring staff 16, just know that valve oil seal 3 has assembled, and can stop at the application of force on handle 14.
As shown in Figure 3 and Figure 9, handle 14 when guaranteeing that valve oil seal 4 has assembled, press-fit the end face of the second end 112 of bar 11 and the other end of measuring staff 16, can be according to following Process Dimension Chain Calculating: L1+L2+L3=L4+L5, in formula, L1 is the height that valve guide bushing 3 protrudes from engine cylinder cover 2, L2 is the thickness d (in Fig. 8 the larger end 41 of valve oil seal 4 and compared with the thickness of the changeover portion of 42 of small ends) of valve oil seal 4, L3 is the length that press-fits bar 11, L4 is that valve oil seal 4 end face that sliding sleeve 13 contacts with engine cylinder cover 2 while having assembled is to the distance of the axle of straight pin 17, L5 is that the axle of valve oil seal 4 straight pin 17 while having assembled is to the distance of the end face of the other end of measuring staff 16.
Measuring staff 16 and press-fit 11, bar and adopt matched in clearance, the quality of fit that described measuring staff 16 and described measuring staff hole are 115 is preferably H7/f6, and measuring staff 16 can preferably be made the little shape in large centre, two to reduce the wearing and tearing between measuring staff 16 and measuring staff hole 115; The quality of fit that described straight pin 17 and described the first fixing hole 132 and described two fixing hole are 161 is preferably H7/n6 to guarantee the fixed effect of straight pin 17 and sliding sleeve 13 and measuring staff 16.
For anti-anti-skid sheath 13 comes off from press-fiting bar 11, described in press-fit bar 11 outer wall the spacing shaft shoulder 118 can be set, those skilled in the art can easily expect, the spacing shaft shoulder 118 can be projection or the cascaded surface (as shown in Figure 4 and Figure 5) on the outer wall that press-fits bar 11.Further, for sliding sleeve 4 is fitted with engine cylinder cover 2 all the time in valve oil seal assembling process, 14, the described spacing shaft shoulder 118 and described handle can arrange Compress Spring 18.
The embodiment of take in Fig. 2 is example, in assembling during valve oil seal 4, first the self-align bar 12 of valve oil seal 4 is inserted in and valve oil seal 4 compared with small end 42 parts, snap in the positioning section 1132 in location and installation hole 113; The positioning end of backstay 12 122 is inserted in the endoporus of valve guide bushing 3, the end face of sliding sleeve 13 and engine cylinder cover 2 fit again; In handle 14 place's application of forces, what be fixedly connected with handle 14 press-fits bar 11 in the interior motion of the direction towards valve guide bushing 3 of sliding sleeve 13, when the end face of measuring staff 16 and handle 14 with while press-fiting the end face of the second end 112 of bar 11, valve oil seal 4 has assembled (as shown in Figure 3).In the present embodiment, the positioning end 122 by backstay 12 is positioned at valve oil seal press mounting tool 1 on valve guide bushing 3, and valve oil seal 4 positions by backstay installing hole 113 before assembling, and the stressed of valve oil seal 4 will be more even; Sliding sleeve 13 and engine cylinder cover 2 laminatings, can be used as fixed cover and can be used as again fairlead, avoided the unsettled of valve oil seal 4 to press-fit; By the calculating of process dimension chain, measuring staff 16 can be used as the locating part of valve oil seal 4 assemblings, also can be used as and detects the detection piece whether valve oil seal 4 is seated; Compress Spring 18 between sliding sleeve 13 and handle 14 can guarantee sliding sleeve 13 in assembling process all the time with engine cylinder cover 2 laminating, anti-anti-skid sheath 13 rocks press-fiting between bar 11 and handle 14.
Although the utility model is described in conjunction with above embodiment, but the utility model is not defined to above-described embodiment, and be only subject to the restriction of claims, those of ordinary skills can easily modify to it and change, but do not leave essence design of the present utility model and scope.
Claims (10)
1. a valve oil seal assembly tool, is characterized in that, comprises and press-fits bar, backstay, sliding sleeve and handle;
Describedly press-fit bar and described sliding sleeve sliding connection, described in press-fit bar first end be provided with backstay installing hole, described in press-fit bar the second end be fixedly connected with described handle;
Described backstay has the stiff end coordinating with described backstay installing hole and the positioning end coordinating with valve guide bushing.
2. valve oil seal assembly tool according to claim 1, is characterized in that, described in press-fit bar and described sliding sleeve quality of fit be H7/g6.
3. valve oil seal assembly tool according to claim 1, it is characterized in that, described backstay installing hole with described in to press-fit bar coaxial, described backstay installing hole has the canned paragraph coordinating with the stiff end of described backstay and the positioning section coordinating with valve oil seal.
4. valve oil seal assembly tool according to claim 3, it is characterized in that, the quality of fit of the canned paragraph of the stiff end of described backstay and described backstay installing hole is H7/h6, and by the screw radially arranging, the stiff end of described backstay is fixed in described backstay installing hole.
5. valve oil seal assembly tool according to claim 1, is characterized in that, also comprises measuring staff and straight pin;
Described the second end that press-fits bar is axially provided with measuring staff hole, described measuring staff and the hole sliding connection of described measuring staff;
On described sliding sleeve, radially connect and be provided with the first fixing hole, described press-fit on bar radially connect and be provided with mounting hole, one end of described measuring staff is provided with the second fixing hole, described straight pin is through described the first fixing hole, mounting hole and the second fixing hole, described sliding sleeve is relative with described measuring staff fixing, described in press-fit bar and can be free to slide along described sliding sleeve and described measuring staff.
6. valve oil seal assembly tool according to claim 5, is characterized in that, the axial stroke of described straight pin in described mounting hole equals the assembling height of valve oil seal.
7. valve oil seal assembly tool according to claim 5, is characterized in that, described handle by internal thread with described in press-fit bar the externally threaded of the second end be fixed, the end face of described handle with described in press-fit the end face of the second end of bar;
When described valve oil seal has assembled, described in press-fit the end face of the end face of the second end and the other end of described measuring staff of bar.
8. valve oil seal assembly tool according to claim 5, is characterized in that, the quality of fit between described measuring staff and described measuring staff hole is H7/f6, and the quality of fit between described straight pin and described the first fixing hole and described two fixing holes is H7/n6.
9. according to the valve oil seal assembly tool described in claim 1～8 any one, it is characterized in that, described in press-fit bar outer wall be provided with the spacing shaft shoulder for preventing that described sliding sleeve from coming off.
10. valve oil seal assembly tool according to claim 9, is characterized in that, between the described spacing shaft shoulder and described handle, is provided with Compress Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664458.8U CN203542508U (en) | 2013-10-25 | 2013-10-25 | Valve oil seal assembly tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664458.8U CN203542508U (en) | 2013-10-25 | 2013-10-25 | Valve oil seal assembly tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203542508U true CN203542508U (en) | 2014-04-16 |
Family
ID=50460675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664458.8U Withdrawn - After Issue CN203542508U (en) | 2013-10-25 | 2013-10-25 | Valve oil seal assembly tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203542508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552025A (en) * | 2013-10-25 | 2014-02-05 | 安徽江淮汽车股份有限公司 | Valve oil seal assembly tool |
| CN107351017A (en) * | 2017-08-16 | 2017-11-17 | 东莞市联洲知识产权运营管理有限公司 | A kind of oil seal press-in machine structure for automobile crane |
-
2013
- 2013-10-25 CN CN201320664458.8U patent/CN203542508U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552025A (en) * | 2013-10-25 | 2014-02-05 | 安徽江淮汽车股份有限公司 | Valve oil seal assembly tool |
| CN103552025B (en) * | 2013-10-25 | 2015-12-09 | 安徽江淮汽车股份有限公司 | A kind of valve oil seal assembly tool |
| CN107351017A (en) * | 2017-08-16 | 2017-11-17 | 东莞市联洲知识产权运营管理有限公司 | A kind of oil seal press-in machine structure for automobile crane |
| CN107351017B (en) * | 2017-08-16 | 2019-02-12 | 蒂森克虏伯发动机零部件（中国）有限公司 | A kind of oil seal press-in machine structure for automobile crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |