CN203330963U - Valve retainer disassembling tool - Google Patents
Valve retainer disassembling tool Download PDFInfo
- Publication number
- CN203330963U CN203330963U CN201320389973XU CN201320389973U CN203330963U CN 203330963 U CN203330963 U CN 203330963U CN 201320389973X U CN201320389973X U CN 201320389973XU CN 201320389973 U CN201320389973 U CN 201320389973U CN 203330963 U CN203330963 U CN 203330963U
- Authority
- CN
- China
- Prior art keywords
- core pull
- mandrel positioning
- positioning sleeve
- pull bar
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a valve retainer disassembling tool which comprises a supporting base, a mandrel positioning assembly and a fixed-core pull rod. The longitudinal section of the supporting base is inverted-U-shaped, the bottom surface of an opening wall of the supporting base is used for supporting the top surface of a cylinder cover, and the center of the top face of the supporting base is provided with a lifting hole; the mandrel positioning assembly comprises a mandrel positioning sleeve and an expansion tongue, the mandrel positioning sleeve is of a cylindrical structure, the center of the mandrel positioning sleeve is provided with an axial trumpet-shaped fixed-core pull rod receding hole and expansion tongue sliding channels which extend outwards in the radial direction of the mandrel positioning sleeve from the fixed-core pull rod receding hole to the circumferential side face of the mandrel positioning sleeve, and the expansion tongue is of a double-edge single-face wedge type and can be installed in the expansion tongue sliding channels in a freely retractable mode; the fixed-core pull rod comprises a bottom section capable of being inserted into a valve guide rod hole in a matched mode, a cone-shaped section matched with the fixed-core pull rod receding hole and a top section capable of being inserted into the fixed-core pull rod receding hole and the lifting hole of the supporting base in a matched mode, and the upper portion of the top section is connected with a disassembling nut in a screwing mode. The disassembling tool is convenient to operate, reduces labor intensity of workers, guarantees assembling quality and meanwhile improves disassembling efficiency.
Description
Technical field
The utility model relates to engine art, particularly a kind of disassembling valve seat ring instrument.
Background technology
In engine building, the sealing of cylinder head valve retainer and valve stem directly has influence on engine performance.Therefore cylinder head and valve retainer adopt interference fit, and during assembling, valve retainer press-fits after ℃ degree of freezing-196.
But it is very difficult that this just makes engine need to dismantle the operation of cylinder head valve retainer in maintenance process.
The utility model content
The utility model is in order to overcome defect in above-mentioned prior art, provides a kind of rational in infrastructure, easy to operate, has alleviated workman's labour intensity, when guaranteeing assembly quality, improved the disassembling valve seat ring instrument of removing efficiency.
For achieving the above object, provide a kind of disassembling valve seat ring instrument according to the utility model, comprising:
Bearing, it is inverted U-shaped that longitudinal section is, and the perforated wall bottom surface is for supporting the cylinder head end face, and its end face center offers draws high hole;
The mandrel positioning component, it comprises: mandrel positioning sleeve and the tongue that rises, the mandrel positioning sleeve is cylindrical-shaped structure, and central authorities offer the axial horn-like core pull bar resigning hole of determining, and also offer by determining the rise tongue slideway that extend radially outwardly to circumference side of core pull bar resigning hole along the mandrel positioning sleeve; The tongue that rises is designed to bilateral single face wedge type, being arranged in the described tongue slideway that rises of retractable;
Determine the core pull bar, it comprises: with the adaptive end section of inserting in valve guide rod hole and with the conical section of determining core pull bar resigning hole adaptation, and with determine core pull bar resigning hole, bearing draw high the adaptive top section of inserting in hole, the top of described top section is bolted with the dismounting nut.
In technique scheme, the external diameter of cylindric mandrel positioning sleeve is less than the minimum diameter of valve retainer to be removed.
In technique scheme, a plurality of for along mandrel positioning sleeve end face circumference uniform distribution of the tongue slideway that rises.
In technique scheme, the tongue slideway that rises is three along mandrel positioning sleeve end face circumference uniform distribution.
In technique scheme, horn-likely determine core pull bar resigning hole and comprise: superposed direct tube section and be positioned at the flared section of this direct tube section bottom.
Compared with prior art, the utlity model has following beneficial effect: this disassembling valve seat ring instrument in use, make and determine the core pull bar and move axially by rotatablely moving of nut, move axially by determining the core pull bar radial motion that changes into again the tongue that rises, make the tongue that rises stretch out and block the valve retainer base, and then make valve retainer and determine the core pull rod shaft to linking by removing on cylinder head, it is easy to operate, alleviated workman's labour intensity, when guaranteeing assembly quality, also improved dismounting efficiency.
The accompanying drawing explanation
The use structural representation that Fig. 1 is disassembling valve seat ring instrument of the present utility model;
The bearing plan structure schematic diagram that Fig. 2 is disassembling valve seat ring instrument of the present utility model;
The bearing sectional structure schematic diagram that Fig. 3 is disassembling valve seat ring instrument of the present utility model;
The mandrel positioning sleeve plan structure schematic diagram that Fig. 4 is disassembling valve seat ring instrument of the present utility model;
The mandrel positioning sleeve sectional structure schematic diagram that Fig. 5 is disassembling valve seat ring instrument of the present utility model;
The tongue structure schematic diagram that rises that Fig. 6 is disassembling valve seat ring instrument of the present utility model;
Fig. 7 be disassembling valve seat ring instrument of the present utility model determine core pull bar sectional structure schematic diagram;
The accompanying drawing explanation:
The 1-bearing, 11-draws high hole, 2-mandrel positioning sleeve, 21-determines core pull bar resigning hole, the 22-tongue slideway that rises, the 3-tongue that rises, 4-determines the core pull bar, section at the bottom of 41-, the 42-conical section, 43-pushes up section, and 5-dismantles nut, 6-engine cylinder cap, 7-valve retainer.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of the specific embodiment.It will be appreciated that, mentioned in following embodiment of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only for convenience of explanation, do not represent the restriction to the concrete technical scheme of the utility model.
Disassembling valve seat ring instrument of the present utility model in use, make and determine the core pull bar and move axially by rotatablely moving of nut, move axially by determining the core pull bar radial motion that changes into again the tongue that rises, make the tongue that rises stretch out and block the valve retainer base, and then make valve retainer and determine the core pull rod shaft to linking by removing on cylinder head, it is easy to operate, has alleviated workman's labour intensity, when guaranteeing assembly quality, also improved dismounting efficiency.
Below detailed description by way of example but unrestriced mode has illustrated the disclosure, should be understood that various aspect of the present disclosure can be by independent realization or the realization of being combined with other aspects.This specification clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe some embodiment, alternative, modification, alternative and system applies, comprised the current best mode that is considered to carry out the inventive principle of describing in this specification.When describing element or feature and/or embodiment, be intended to expression titled with " one " " one " " be somebody's turn to do " and " described " and there are one or more in element or feature.Term " comprises " that " comprising " and " having " is intended to is comprising property, and also has extra element or feature beyond being illustrated in those specifically described elements or feature.
As shown in Figure 1, the concrete structure of this disassembling valve seat ring instrument comprises: bearing 1 and mandrel positioning component, and be located in bearing 1, mandrel positioning component determine core pull bar 4 and with the dismounting nut 5 of determining core pull bar 4 and being spirally connected.Wherein, the valve retainer top position in the cylinder hd top face is put in bearing 1 support.The mandrel positioning component is located in to be determined on core pull bar 4, at dismounting nut 5, under the support of bearing 1, lock when determine core pull bar 4 and making its axial rising, for tightening valve retainer to be removed, make it and determine the axial interlock of core pull bar 4 by removing on cylinder head, it is easy to operate, alleviated workman's labour intensity, when guaranteeing assembly quality, also improved dismounting efficiency.
As shown in Figures 2 and 3, the longitudinal section of bearing 1 is inverted U-shaped, and the perforated wall bottom surface is for supporting the cylinder head end face, its end face center offers draws high hole 11 for what determine that core pull bar 4 adaptations penetrate, now, dismounting nut 5 is screwed to and determines on core pull bar 4, usings the end face of bearing 1 as supporting surface.
The mandrel positioning component comprises: mandrel positioning sleeve 2 and be arranged on the tongue 3 that rises in mandrel positioning sleeve 2, as shown in Figure 4 and Figure 5, mandrel positioning sleeve 2 is cylindrical-shaped structure, its external diameter is more smaller than the minimum diameter of valve retainer to be removed, to guarantee mandrel positioning sleeve 2, passes smoothly valve retainer to be removed in the included situation of tongue 3 that rises.The central authorities of mandrel positioning sleeve 2 offer the axial horn-like core pull bar resigning hole 21 of determining, and it comprises: superposed direct tube section and the flared section that is positioned at this direct tube section bottom.Mandrel positioning sleeve 2 also offers by determining the rise tongue slideway 22 that extend radially outwardly to circumference side of core pull bar resigning hole 21 flared section along mandrel positioning sleeve 2, the tongue slideway 22 that rises is three, by top view, can be found out, it is along mandrel positioning sleeve 2 end face circumference uniform distributions, make the tongue slideway 22 that rises can hold three tongues 3 that rise simultaneously, when it is skidded off by the tongue slideway 22 that rises, in valve retainer to be removed bottom surface, three places tighten, to increase valve retainer to be removed and to determine core pull bar 4 axial upwards reliability and the stability of interlock, unbalance stress when preventing valve retainer to be removed and determining core pull bar 4 and axially upwards link and tilting, and then increase the friction of itself and valve retainer installation position, make it extract difficulty.As shown in Figure 6, the tongue 3 that rises is designed to bilateral single face wedge type (inverted trapezoidal), can free-extension be arranged in the tongue slideway 22 that rises.
As shown in Figure 7, determine vertically configuration use of core pull bar 4, it comprises: with the adaptive end section 41 of inserting in valve guide rod hole and with the conical section 42 of determining core pull bar resigning hole 21 flared section adaptations, and draw high the adaptive top section 43 of inserting in hole with determining core pull bar resigning hole 21 direct tube sections, bearing 1, the top of top section 43 has the external screw thread be spirally connected with dismounting nut 5 adaptations.
As shown in Figure 1, during use: first will determine the valve guide rod hole that core pull bar 4 inserts engine cylinder cap 6, three tongues 3 that rise are arranged on respectively in the tongue slideway 22 that rises of mandrel positioning sleeve 2, make the excircle side of its retraction mandrel positioning sleeve 2, then mandrel positioning sleeve 2 is inserted in and determines core pull bar 4; Put bearing 1 above engine cylinder cap 6 end face valve retainers, and determining on the top section 43 of core pull bar 4 to screw in dismounting nut 5 by its locking.
Now continue rotation dismounting nut 5, determine core pull bar 4 and do axial displacement with mandrel positioning sleeve 2, by the conical section 42 of determining core pull bar 4, make three tongues 3 that rise radially move; Because engine cylinder cap valve retainer 7 is installed and had a step with engine cylinder cap 6, after stretching out, three tongues 3 that rise are stuck in cylinder head valve retainer 7 bottom sides edges.By continuous rotating nut, produce interaction force at the bearing 1 of determining on 6 of core pull bar 4 and engine cylinder caps, cylinder head valve retainer 7 is pulled out from engine cylinder cap 6.
To sum up, this disassembling valve seat ring instrument in use, make and determine the core pull bar and move axially by rotatablely moving of nut, move axially by determining the core pull bar radial motion that changes into again the tongue that rises, make the tongue that rises stretch out and block the valve retainer base, and then make valve retainer and determine the core pull rod shaft to linking by removing on cylinder head, it is easy to operate, alleviated workman's labour intensity, when guaranteeing assembly quality, also improved dismounting efficiency.
Above disclosed be only several specific embodiment of the present utility model, still, the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (5)
1. a disassembling valve seat ring instrument, is characterized in that, comprising:
Bearing, it is inverted U-shaped that longitudinal section is, and the perforated wall bottom surface is for supporting the cylinder head end face, and its end face center offers draws high hole;
The mandrel positioning component, it comprises: mandrel positioning sleeve and the tongue that rises, described mandrel positioning sleeve is cylindrical-shaped structure, and central authorities offer the axial horn-like core pull bar resigning hole of determining, and also offer by determining the rise tongue slideway that extend radially outwardly to circumference side of core pull bar resigning hole along the mandrel positioning sleeve; The described tongue that rises is designed to bilateral single face wedge type, being arranged in the described tongue slideway that rises of retractable;
Determine the core pull bar, it comprises: with the adaptive end section of inserting in valve guide rod hole and with the conical section of determining core pull bar resigning hole adaptation, and with determine core pull bar resigning hole, bearing draw high the adaptive top section of inserting in hole, the top of described top section is bolted with the dismounting nut.
2. disassembling valve seat ring instrument according to claim 1, it is characterized in that: the external diameter of described cylindric mandrel positioning sleeve is less than the minimum diameter of valve retainer to be removed.
3. disassembling valve seat ring instrument according to claim 1 is characterized in that: a plurality of for along mandrel positioning sleeve end face circumference uniform distribution of the described tongue slideway that rises.
4. disassembling valve seat ring instrument according to claim 3 is characterized in that: the described tongue slideway that rises is for three along mandrel positioning sleeve end face circumference uniform distribution.
5. according to the described disassembling valve seat ring instrument of any one in claim 1 to 4, it is characterized in that: describedly horn-likely determine core pull bar resigning hole and comprise: superposed direct tube section and be positioned at the flared section of this direct tube section bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389973XU CN203330963U (en) | 2013-07-02 | 2013-07-02 | Valve retainer disassembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389973XU CN203330963U (en) | 2013-07-02 | 2013-07-02 | Valve retainer disassembling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203330963U true CN203330963U (en) | 2013-12-11 |
Family
ID=49699661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320389973XU Expired - Fee Related CN203330963U (en) | 2013-07-02 | 2013-07-02 | Valve retainer disassembling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203330963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395037A (en) * | 2013-07-02 | 2013-11-20 | 广西玉柴机器股份有限公司 | Valve seat ring disassembling tool |
-
2013
- 2013-07-02 CN CN201320389973XU patent/CN203330963U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395037A (en) * | 2013-07-02 | 2013-11-20 | 广西玉柴机器股份有限公司 | Valve seat ring disassembling tool |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20170702 |