CN204431177U - The press mounting tool of engine valve lock clamp - Google Patents
The press mounting tool of engine valve lock clamp Download PDFInfo
- Publication number
- CN204431177U CN204431177U CN201520080300.5U CN201520080300U CN204431177U CN 204431177 U CN204431177 U CN 204431177U CN 201520080300 U CN201520080300 U CN 201520080300U CN 204431177 U CN204431177 U CN 204431177U
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- China
- Prior art keywords
- expansion link
- press
- mounting tool
- shaped body
- locating hole
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- Expired - Fee Related
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- 230000033001 locomotion Effects 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a kind of press mounting tool of engine valve lock clamp, comprise U-shaped body, be threadedly connected to the base of U-shaped body one end and be installed on the press-fit portion of the U-shaped body other end, press-fit portion comprises expansion link and is installed on the press section of expansion link end, press section has fitting opening, one end for installing press-fit portion on U-shaped body sets firmly positioning tube, expansion link is snug fit in positioning tube, positioning tube has locating hole, expansion link has elasticity positioning convex portion, elasticity positioning convex portion can be kept off mutually with locating hole and being connect.In above-mentioned press mounting tool, the driving force that expansion link is subject to can drive expansion link to make stretching motion quickly, and its motion amplitude is comparatively large, and transmission efficiency is higher, so improve valve collet press-fit efficiency; Meanwhile, after adopting above-mentioned type of attachment, press section is not easy to occur significantly rotating, and makes the fitting opening on press section all the time towards the direction being conducive to assembling, and then can be convenient to the assembling of valve collet.
Description
Technical field
The utility model relates to the mounting technology field of engine, particularly relates to a kind of press mounting tool of engine valve lock clamp.
Background technology
In the small lot trial-production assembling process of engine, press-fiting of valve collet is all comparatively loaded down with trivial details operation all the time, main because can operating space less, and need to overcome the elastic force of valve spring and keep a period of time in a certain position so that assembling.The valve arrangement form of different engine is not quite similar, and some valves to tilt certain angle relative to vertical direction, and what have then vertically arranges.
For the situation of valve relative to vertical direction inclination certain angle, usually press mounting tool is as Figure 1-3 adopted to realize the installation of valve collet in conventional art, this press mounting tool mainly comprises U-shaped body 11, be threadedly connected to expansion link 12 and the base 13 at the two ends of this U-shaped body 11 respectively, and be individually fixed in the press section 14 at two ends and the handle 15 of expansion link 12, base 13 is for abutting against with valve major part, to ensure that valve is in closed condition, in case valve comes off press-fiting in process, press section 14 has fitting opening, valve collet can be positioned in this fitting opening by operating personnel, so that the installation of valve collet, handle 15 is for realizing the stretching motion of expansion link 12 relative to U-shaped body 11.
When using above-mentioned press mounting tool, first expansion link 12 is threaded to topmost, ensures that the distance between expansion link 12 and base 13 is maximum, with the specified location enabling press mounting tool put into cylinder body; Then the middle part of a hand gripping U-shaped body, another hand rotary handle 15, realizes slowly pressing down of expansion link 12, until expansion link 12 contacts with valve spring upper seat 16, base 13 abuts against and centering with valve major part; Then continue rotary handle 15, press down valve spring upper seat 16 with this, engine valve stem is exposed, until valve collet can be put into; After valve collet installs, handle 15 can be unscrewed, expansion link 12 slowly be exited, and then completes press-fiting of valve collet.
But, adopt during above-mentioned press mounting tool and there is following defect: expansion link 12 is threaded with U-shaped body 11, with by the rectilinear motion of the convert rotational motion of screw thread for expansion link 12, this kind of kind of drive transmission efficiency is lower, all can take the more time pressing down in the process that expansion link 12 and expansion link 12 exit, cause valve collet to press-fit efficiency lower; When expansion link 12 rotates, expansion link 12 pairs of valve spring upper seats 16 have certain wearing and tearing, both are centering not easily, easily deflect, in addition, fitting opening on expansion link 12 towards also changing along with the rotation of expansion link 12, and the operating position of operating personnel need with fitting opening towards being consistent, therefore above-mentioned situation will be not easy to the assembling of valve collet.
Utility model content
The purpose of this utility model is to provide a kind of press mounting tool of engine valve lock clamp, and what this press mounting tool can improve valve collet press-fits efficiency, is convenient to the assembling of valve collet simultaneously.
To achieve these goals, the utility model provides following technical scheme:
A kind of press mounting tool of engine valve lock clamp, comprise U-shaped body, be threadedly connected to the base of described U-shaped body one end and be installed on the press-fit portion of the described U-shaped body other end, described press-fit portion comprises expansion link and is installed on the press section of described expansion link end, described press section has fitting opening, described U-shaped body sets firmly positioning tube for the one end of installing described press-fit portion, described expansion link is snug fit in described positioning tube, described positioning tube has locating hole, described expansion link has elasticity positioning convex portion, described elasticity positioning convex portion can be kept off mutually with described locating hole and being connect.
Preferably, in above-mentioned press mounting tool, described positioning tube is offered multiple described locating hole, the distance between each described locating hole and described base is unequal mutually.
Preferably, in above-mentioned press mounting tool, multiple described locating hole is arranged along the telescopic direction of described expansion link.
Preferably, in above-mentioned press mounting tool, the arragement direction of multiple described locating hole is the linear pattern centering direction pointing to described base from described press section.
Preferably, in above-mentioned press mounting tool, described positioning tube is arranged at the side near described press section on described U-shaped body.
Preferably, in above-mentioned press mounting tool, described expansion link has boss away from one end of described press section, arrange resilient snubber between described boss and described U-shaped body, described resilient snubber is set in the outside of described expansion link.
Preferably, in above-mentioned press mounting tool, away from one end setting operation bar of described press section on described expansion link.
Preferably, in above-mentioned press mounting tool, described action bars comprises the first bar section and the second bar section, and described first bar section lays respectively at the relative both sides of described expansion link with described second bar section.
Preferably, in above-mentioned press mounting tool, described elasticity positioning convex portion is articulated with on described expansion link, and arranges elastic reset part between described elasticity positioning convex portion and the inwall of described expansion link.
In technique scheme, the utility model provides a kind of press mounting tool of engine valve lock clamp, this press mounting tool comprises U-shaped body, base and press-fit portion, this press-fit portion comprises expansion link and press section, one end for installing press-fit portion on U-shaped body sets firmly positioning tube, and expansion link is snug fit in positioning tube, and positioning tube has locating hole, expansion link has elasticity positioning convex portion, this elasticity positioning convex portion can be kept off mutually with locating hole and being connect.When adopting this press mounting tool, first base is made to contact with valve major part, pressing force is applied again to expansion link, make expansion link drive press section on it near valve spring upper seat, in this process, expansion link will slide relative to positioning tube, when expansion link applies active force until when engine valve stem exposes to valve spring upper seat, elasticity positioning convex portion coordinates with locating hole, realizes the location of expansion link, so that operating personnel install valve collet.After valve collet installs, elasticity positioning convex portion and locating hole depart from, and press mounting tool can be pulled down.
Compared to the content that background technology is introduced, in above-mentioned press mounting tool, expansion link and U-shaped body are slidably connected, and coordinate by elasticity positioning convex portion and locating hole the locking position realizing expansion link, the driving force that this kind of connected mode makes expansion link be subject to drives expansion link to make stretching motion quickly, its motion amplitude is comparatively large, and transmission efficiency is higher, so improve valve collet press-fit efficiency; Meanwhile, after adopting above-mentioned type of attachment, press section is not easy to occur significantly rotating, and makes the fitting opening on press section all the time towards the direction being conducive to assembling, and then can be convenient to the assembling of valve collet.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of traditional press mounting tool;
Fig. 2 is the side view of structure shown in Fig. 1;
Fig. 3 is the working state schematic representation of traditional press mounting tool;
The structural representation of the press mounting tool that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the side view of structure shown in Fig. 4;
The structural representation of the U-shaped body that Fig. 6 provides for the utility model embodiment and positioning tube;
Fig. 7 is for the A-A of structure shown in Fig. 6 is to sectional view;
The part-structure schematic diagram of the press mounting tool that Fig. 8 provides for the utility model embodiment;
Fig. 9 is the side view of structure shown in Fig. 8;
The axonometric drawing of the press mounting tool that Figure 10 provides for the utility model embodiment;
The press mounting tool schematic diagram in a first state that Figure 11 provides for the utility model embodiment;
The press mounting tool schematic diagram in the second condition that Figure 12 provides for the utility model embodiment.
Description of reference numerals:
11-U shape body, 12-expansion link, 13-base, 14-press section, 15-handle, 16-valve spring upper seat;
21-U shape body, 22-base, 23-expansion link, 24-press section, 25-positioning tube, 26-elasticity positioning convex portion, 27-resilient snubber, 28-action bars, 31-valve spring upper seat.
Detailed description of the invention
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further detailed.
As shown in Fig. 4-12, the utility model embodiment provides a kind of press mounting tool of engine valve lock clamp, it comprises U-shaped body 21, be threadedly connected to the base 22 of U-shaped body 21 one end and be installed on the press-fit portion of U-shaped body 21 other end, this press-fit portion comprises expansion link 23 and is installed on the press section 24 of expansion link 23 end, this press section 24 has fitting opening, one end for installing press-fit portion on U-shaped body 21 sets firmly positioning tube 25, expansion link 23 is snug fit in positioning tube 25, positioning tube 25 has locating hole, expansion link 23 has elasticity positioning convex portion 26, this elasticity positioning convex portion 26 can be kept off mutually with locating hole and being connect.
Above-mentioned press-fit portion is relative with base 22, and press-fit portion contacts with valve spring upper seat 31, and applies active force to valve spring upper seat 31, so that engine valve stem exposes, base 22 contacts with valve major part, to realize the centering of whole press mounting tool; Fitting opening on press section 24 is for placing valve collet; Locating hole on positioning tube 25 can be one, and the position of this locating hole is that expansion link 23 presses valve spring upper seat 31 until when engine valve stem exposes, the position location of expansion link 23; Elasticity positioning convex portion 26 can be fixed on expansion link 23, it can be made up of elastomeric material, when expansion link 23 is with dynamic elasticity positioning convex portion 26 to move, the pressure that elasticity positioning convex portion 26 is subject to positioning tube 25 will deform, when elasticity positioning convex portion 26 moves to locating hole place, elasticity positioning convex portion 26 will reset, and then be stuck in locating hole, realize the locking of expansion link 23.
When adopting above-mentioned press mounting tool, first base 22 is made to contact with valve major part, pressing force is applied again to expansion link 23, make expansion link 23 drive press section 24 on it near valve spring upper seat 31, in this process, expansion link 23 will slide relative to positioning tube 25, when expansion link 23 applies active force until when engine valve stem exposes to valve spring upper seat 31, elasticity positioning convex portion 26 coordinates with locating hole, realizes the location of expansion link 23, so that operating personnel install valve collet.After valve collet installs, elasticity positioning convex portion 26 and locating hole depart from, and press mounting tool can be pulled down.
Compared to the content that background technology is introduced, in above-mentioned press mounting tool, expansion link 23 and U-shaped body 21 are slidably connected, and coordinate by elasticity positioning convex portion 26 and locating hole the locking position realizing expansion link 23, the driving force that this kind of connected mode makes expansion link 23 be subject to drives expansion link 12 to make stretching motion quickly, its motion amplitude is comparatively large, and transmission efficiency is higher, so improve valve collet press-fit efficiency; Meanwhile, after adopting above-mentioned type of attachment, press section 24 is not easy to occur significantly rotating, and makes the fitting opening on press section 24 towards the direction being conducive to assembling, and then can be convenient to the assembling of valve collet.
In addition, adopt after said structure, expansion link 23 is less relative to the rotation trend of valve spring upper seat 31, and the wearing and tearing produced during both relative motions are alleviated to some extent, and then is conducive to both centerings, and that improves valve collet with this press-fits quality.
In order to improve the versatility of above-mentioned press mounting tool, positioning tube 25 can offer multiple locating hole, the distance between each locating hole and base 22 is unequal mutually.During pressing expansion link 23, can according to the valve of different size, operating flexibility positioning convex portion 26 matches from different locating holes, with the assembling making press mounting tool be applicable to the engine of different size, and then reaches aforementioned object.Particularly, the regularity of distribution of above-mentioned each locating hole can be arranged arbitrarily.
In order to improve transmission efficiency further, assembling of being simultaneously more convenient for, above-mentioned multiple locating hole can be arranged along the telescopic direction of expansion link 23, and namely the centre bore line of each locating hole roughly extends along the telescopic direction of expansion link 23.Now the forms of motion of expansion link 23 is close to rectilinear motion, and the fitting opening on press section 24 does not rotate substantially, and then reaches aforementioned object, makes the wearing and tearing between press section 24 and valve spring upper seat 31 less simultaneously.Further, the arragement direction of multiple locating hole is the linear pattern centering direction that self-pressing portion 24 points to base 22, to make above-mentioned technique effect more outstanding.
Aforesaid positioning tube 25 can be arranged at the side away from press section 24 on U-shaped body 21, but this kind of set-up mode can increase the volume of whole press mounting tool undoubtedly, is unfavorable for that operating personnel operate.For this reason, positioning tube 25 can be arranged at the side near press section 24 on U-shaped body 21, so can make full use of the space of U-shaped body 21 inside, thus the space that reduction positioning tube 25 takies.Particularly, the cross section of positioning tube 25 can be rectangle, to make the surface of positioning tube 25 be made up of multiple plane, to make the processing of locating hole convenient.
In optional technical scheme, expansion link 23 has boss away from one end of press section 24, arrange resilient snubber 27 between this boss and U-shaped body 21, this resilient snubber 27 is set in the outside of expansion link 23.When operating personnel apply active force to expansion link 23, this active force will be passed on resilient snubber 27, resilient snubber 27 is deformed, and the reaction force that resilient snubber 27 produces will make the motion of expansion link 23 more steady, the vibration when elasticity positioning convex portion on expansion link 23 coordinates with the locating hole on positioning tube 25 is less.In addition, press-fit after operation completes when valve collet, the External Force Acting on expansion link 23 will remove, and now can realize the reset of expansion link 23 by the reset force of resilient snubber 27, and additionally need not apply active force expansion link 23 is retracted initial position.
For the ease of operation, away from one end setting operation bar 28 of press section 24 on expansion link 23, operating personnel can drive expansion link 23 to move by applying external force to action bars 28.The shape of aforesaid operations bar 28 and can arranging arbitrarily relative to the architectural feature such as setting position of expansion link 23.The active force be subject to for making expansion link 23 is more even, and action bars 28 can comprise the first bar section and the second bar section, and the first bar section lays respectively at the relative both sides of expansion link 23 with the second bar section.When operating personnel install valve collet, active force can be applied to the first bar section and the second bar section simultaneously, be distributed in the relative both sides of expansion link 23 with the active force making action bars 28 put on expansion link 23 more equably, and then reach aforementioned object.
In preferred technical scheme, elasticity positioning convex portion 26 is articulated with on expansion link 23, and arranges elastic reset part between the inwall of elasticity positioning convex portion 26 and expansion link 23, and the position that elasticity positioning convex portion 26 acts on the lower edge of locating hole has guiding surface.In this embodiment, realize the motion of elasticity positioning convex portion 26 relative to expansion link 23 by elastic reset part, then make elasticity positioning convex portion 26 coordinate with locating hole or elasticity positioning convex portion 26 is deviate from from locating hole.Manufacture elasticity positioning convex portion 26 compared to employing elastomeric material, technique scheme can improve reliability when elasticity positioning convex portion 26 is moved.
Mode above only by illustrating describes some one exemplary embodiment of the present utility model, undoubtedly, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.
Claims (9)
1. the press mounting tool of an engine valve lock clamp, comprise U-shaped body, be threadedly connected to the base of described U-shaped body one end and be installed on the press-fit portion of the described U-shaped body other end, described press-fit portion comprises expansion link and is installed on the press section of described expansion link end, described press section has fitting opening, it is characterized in that, described U-shaped body sets firmly positioning tube for the one end of installing described press-fit portion, described expansion link is snug fit in described positioning tube, described positioning tube has locating hole, described expansion link has elasticity positioning convex portion, described elasticity positioning convex portion can be kept off mutually with described locating hole and being connect.
2. press mounting tool according to claim 1, is characterized in that, described positioning tube is offered multiple described locating hole, and the distance between each described locating hole and described base is unequal mutually.
3. press mounting tool according to claim 2, is characterized in that, multiple described locating hole is arranged along the telescopic direction of described expansion link.
4. press mounting tool according to claim 3, is characterized in that, the arragement direction of multiple described locating hole is the linear pattern centering direction pointing to described base from described press section.
5. press mounting tool according to claim 1, is characterized in that, described positioning tube is arranged at the side near described press section on described U-shaped body.
6. press mounting tool according to claim 1, it is characterized in that, described expansion link has boss away from one end of described press section, and arrange resilient snubber between described boss and described U-shaped body, described resilient snubber is set in the outside of described expansion link.
7. press mounting tool according to claim 1, is characterized in that, away from one end setting operation bar of described press section on described expansion link.
8. press mounting tool according to claim 7, is characterized in that, described action bars comprises the first bar section and the second bar section, and described first bar section lays respectively at the relative both sides of described expansion link with described second bar section.
9. the press mounting tool according to any one of claim 1-8, is characterized in that, described elasticity positioning convex portion is articulated with on described expansion link, and arranges elastic reset part between described elasticity positioning convex portion and the inwall of described expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080300.5U CN204431177U (en) | 2015-02-04 | 2015-02-04 | The press mounting tool of engine valve lock clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080300.5U CN204431177U (en) | 2015-02-04 | 2015-02-04 | The press mounting tool of engine valve lock clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204431177U true CN204431177U (en) | 2015-07-01 |
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ID=53599094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520080300.5U Expired - Fee Related CN204431177U (en) | 2015-02-04 | 2015-02-04 | The press mounting tool of engine valve lock clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204431177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234887A (en) * | 2015-10-30 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Dismounting tool for upper gasket and locking clamp of air valve |
| CN108062070A (en) * | 2017-12-25 | 2018-05-22 | 重庆骄直电气有限公司 | Intelligent work piece press mounting system |
-
2015
- 2015-02-04 CN CN201520080300.5U patent/CN204431177U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234887A (en) * | 2015-10-30 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Dismounting tool for upper gasket and locking clamp of air valve |
| CN108062070A (en) * | 2017-12-25 | 2018-05-22 | 重庆骄直电气有限公司 | Intelligent work piece press mounting system |
| CN108062070B (en) * | 2017-12-25 | 2019-05-24 | 重庆骄直电气有限公司 | Intelligent work piece press mounting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20190204 |