CN103567959A - Press-fitting tool for spark plug barrel of cylinder cover - Google Patents
Press-fitting tool for spark plug barrel of cylinder cover Download PDFInfo
- Publication number
- CN103567959A CN103567959A CN201310474167.7A CN201310474167A CN103567959A CN 103567959 A CN103567959 A CN 103567959A CN 201310474167 A CN201310474167 A CN 201310474167A CN 103567959 A CN103567959 A CN 103567959A
- Authority
- CN
- China
- Prior art keywords
- press
- swivel nut
- sleeve
- spark plug
- cylinder head
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0007—Tools for fixing internally screw-threaded tubular fasteners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Abstract
The invention discloses a press-fitting tool for a spark plug barrel of a cylinder cover. The press-fitting tool comprises a round tubular screwing sleeve, a press rod and an end surface press sleeve; the outer periphery of the top end of the screwing sleeve is provided with a flat position screwing part adaptive to a sleeve torque spanner; a radial positioning flange adaptive to and inserted with the aperture of a bottom hole of a cylinder cover oil atomizer is arranged at the lower part of the fastening sleeve; a clamping table edge adaptive to a barrel notch is arranged at the bottom end of the screwing sleeve; the press rod has a three-stage step shaft structure and comprises a large top end press head shaft, a middle penetrating middle shaft and a small bottom end shaft; the press rod is axially glidingly arranged in the fastening sleeve in a penetrating mode by the middle penetrating middle shaft; the upper end of the end surface press sleeve is fixed at the small bottom end shaft of the press rod; the lower end surface of the end surface press sleeve is a copper sleeve inner hole step pressing surface. The press-fitting tool for the spark plug barrel of the cylinder cover is simple and reasonable in structure and can ensure that the lower end surface of a copper sleeve is attached to the step surface of the bottom hole of the oil atomizer, thus further ensuring the copper fixing quality of the copper sleeve and the water cavity sealing quality of the cylinder cover; the cylinder cover does not need to be accurately positioned, the operation is convenient and the assembly efficiency is high.
Description
Technical field
The present invention relates to cylinder head spark plug swivel nut and press-fit field, particularly a kind of cylinder head spark plug swivel nut press mounting tool.
Background technology
In order to adapt to discharge standard, cylinder cover for diesel engine generally adopts four Valves Technology, wherein cylinder cap fuel injector hole has part to adopt swivel nut to compress the structure of copper sheathing, that is: oil injector hole upper end is designed with screw thread, require after copper sheathing pressure-mounting, fuel injector bottom outlet step surface is close in copper sheathing lower surface, simultaneously copper sheathing upper surface with swivel nut, withstand fixing, thereby fixing copper sheathing and seal Water Cavity of Cylinder Head.
Copper sheathing pressure-mounting need to carry out on forcing press, then give after copper sheathing pressure release, tighten again swivel nut to withstand copper sheathing upper surface, after copper sheathing loses press pressure, only depend on the very difficult assurance of the pressure on top surface copper sheathing lower surface of swivel nut to be close to fuel injector bottom outlet step surface, and then affect the quality that Water Cavity of Cylinder Head was fixed and sealed to copper sheathing; And copper sheathing pressure-mounting and tighten two step complete independentlies of swivel nut, operation sequence is complicated, affects efficiency of assembling.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provide a kind of simple and reasonable, easy to operate, efficiency of assembling is high, can guarantee that copper sheathing lower surface is close to fuel injector bottom outlet step surface, and then guarantee that copper sheathing fixes and seal the cylinder head spark plug swivel nut press mounting tool of Water Cavity of Cylinder Head quality.
For achieving the above object, according to the invention provides a kind of cylinder head spark plug swivel nut press mounting tool, comprising:
Tighten cover, it is circular tube shaped, and top periphery has with the flat position of telescopic torque spanner adaptation and screws portion, and bottom has the radial location flange with the adaptive plug-in mounting in cylinder cap fuel injector bottom outlet aperture, and bottom has the clamping scene-affinity with swivel nut breach adaptation;
Depression bar, it is three grades of Step Shaft structures, comprising: top pressure head macro-axis, centre wear the little axle of axis and bottom, and by centre, wears axis and tighten in cover described in can being located in axial sliding;
End face gland, the little Zhou， lower surface, bottom that its upper end is fixed to depression bar is copper sleeve inner hole step seal face.
In technique scheme, flat the portion of screwing is the flat position of hexagonal.
In technique scheme, clamping scene-affinity is two, is distributed in and tightens radially two ends, cover bottom.
In technique scheme, the little axle in depression bar bottom is thread spindle, and the little axle in bottom of end face gland upper end and depression bar is spirally connected fixing.
In technique scheme, tighten cover bottom and there is the guide section with the adaptive plug-in mounting of swivel nut internal diameter to be installed.
In technique scheme, pressure head macro-axis outer end, top is sphere and hardens.
Compared with prior art, the present invention has following beneficial effect: this cylinder head spark plug swivel nut press mounting tool is simple and reasonable, by compound pressure copper sheathing end face with tighten swivel nut step, make copper sheathing in the situation that of not pressure release, tighten swivel nut, can guarantee that copper sheathing lower surface is close to fuel injector bottom outlet step surface, and then guarantee that copper sheathing fixes and seal Water Cavity of Cylinder Head quality, and cylinder cap does not need accurate location, easy to operate, efficiency of assembling is high.
Accompanying drawing explanation
Fig. 1 is the front copper sheathing structural representation of the assembling of cylinder head spark plug swivel nut press mounting tool of the present invention;
Fig. 2 is the assembling front air cylinder lid fuel injector bottom hole structure schematic diagram of cylinder head spark plug swivel nut press mounting tool of the present invention;
Fig. 3 is the assembling front air cylinder lid screw bushing structure schematic diagram of cylinder head spark plug swivel nut press mounting tool of the present invention;
Fig. 4 is the sectional structure schematic diagram of cylinder head spark plug swivel nut press mounting tool of the present invention;
Fig. 5 is that cylinder head spark plug swivel nut press mounting tool of the present invention is used status architecture schematic diagram;
Description of reference numerals:
1-depression bar, 2-tightens the flat position of cover 21-and screws portion, 22-radial location flange, 23-clamping scene-affinity, 24-guide section, 3-end face gland, 4-cylinder head, 41-step fuel injector bottom outlet, 42-screwed hole, 5-copper sheathing, step surface in 51-, 52-end face flange, 6-swivel nut, 61-swivel nut breach.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of the specific embodiment.It will be appreciated that, mentioned in following embodiment of the present invention " 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 used to be convenient to explanation, do not represent the restriction to the concrete technical scheme of the present invention.
Cylinder head spark plug swivel nut press mounting tool of the present invention is simple and reasonable, by compound pressure copper sheathing end face with tighten swivel nut step, make copper sheathing in the situation that of not pressure release, tighten swivel nut, can guarantee that copper sheathing lower surface is close to fuel injector bottom outlet step surface, and then guarantee that copper sheathing fixes and seal Water Cavity of Cylinder Head quality, and cylinder cap does not need accurate location, easy to operate, and efficiency of assembling is high.
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 below.This description 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 description.When describing element or feature and/or embodiment, titled with " one " " one " " be somebody's turn to do " and " described ", be intended to expression 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 4, the concrete structure of this cylinder head spark plug swivel nut press mounting tool comprises: depression bar 1, tighten cover 2 and end face gland 3, wherein, tighten cover 2 for by this cylinder head spark plug swivel nut press mounting tool axial location at cylinder cap fuel injector bottom outlet, and compress after putting in place and tighten swivel nut at copper sheathing; Depression bar 1 can be located in axial sliding to be tightened in cover 2, by its top, accept press pressure, and end face gland 3 be fixed on depression bar 1 tighten cover external part, under the effect of this pressure, compress copper sheathing, make its lower surface be close to fuel injector bottom outlet step surface, to guarantee that copper sheathing fixes and seal Water Cavity of Cylinder Head quality.
The upper end of end face gland 3 is screwed to the bottom thread spindle of depression bar 1, and lower end is used for pushing down copper sleeve inner hole step.
Fig. 1 is the cylinder head 4 fuel injector bottom hole structure schematic diagrames before the present invention assembles, and from figure, obviously finds out, cylinder head 4 has step fuel injector bottom outlet 41, and screwed hole 42 is arranged at its top, for filling swivel nut.
Fig. 2 is copper sheathing of the present invention at assembling pre-structure schematic diagram, from figure, obviously finds out, copper sheathing 5 has interior step surface 51 and an end face flange 52.Interior step surface 51 face that end face gland 3 will be pressed just, it is fixing that end face flange 52 needs swivel nut to withstand.
Fig. 3 is cylinder head swivel nut 6 structural representations before the present invention assembles, and swivel nut 6 has external screw thread and swivel nut breach 61, for sealing and withstand the use of copper sheathing.
As shown in Figure 5, press-fiting process is under forcing press effect, first press mounting tool is inserted to copper sheathing 5, swivel nut 6, makes radial location flange 22 insert cylinder cap fuel injector bottom outlets and carries out axial location, and in flat position, screw and in portion 21, put telescopic torque spanner; Then the sphere of the downward moulded rod of starting pressure machine, makes the end face gland end face being connected with depression bar be close to fuel injector bottom outlet step surface, by design pressure, compresses; Then with torque spanner, put to tighten to overlap and tighten swivel nut by design moment; Finally, forcing press is return, and takes out press mounting tool.
This cylinder head spark plug swivel nut press mounting tool is very light, and the heavily about 1.5Kg of instrument, facilitates workman hand-held.Meanwhile, press pressure can not be excessive, the anti-cylinder cap fuel injector bottom outlet that damages by pressure, and it is 2～4MPa that the present embodiment is adjusted hydraulic press pressure.
To sum up, this cylinder head spark plug swivel nut press mounting tool is simple and reasonable, by compound pressure copper sheathing end face with tighten swivel nut step, make copper sheathing in the situation that of not pressure release, tighten swivel nut, can guarantee that copper sheathing lower surface is close to fuel injector bottom outlet step surface, and then guarantee that copper sheathing fixes and seal Water Cavity of Cylinder Head quality, and cylinder cap does not need accurate location, easy to operate, efficiency of assembling is high.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (6)
1. a cylinder head spark plug swivel nut press mounting tool, is characterized in that, comprising:
Tighten cover, it is circular tube shaped, and top periphery has with the flat position of telescopic torque spanner adaptation and screws portion, and bottom has the radial location flange with the adaptive plug-in mounting in cylinder cap fuel injector bottom outlet aperture, and bottom has the clamping scene-affinity with swivel nut breach adaptation;
Depression bar, it is three grades of Step Shaft structures, comprising: top pressure head macro-axis, centre wear the little axle of axis and bottom, and by centre, wears axis and tighten in cover described in can being located in axial sliding;
End face gland, the little Zhou， lower surface, bottom that its upper end is fixed to depression bar is copper sleeve inner hole step seal face.
2. cylinder head spark plug swivel nut press mounting tool according to claim 1, is characterized in that: described flat the portion of screwing is the flat position of hexagonal.
3. cylinder head spark plug swivel nut press mounting tool according to claim 1, is characterized in that: described clamping scene-affinity is two, is distributed in and tightens radially two ends, cover bottom.
4. cylinder head spark plug swivel nut press mounting tool according to claim 1, is characterized in that: the little axle in described depression bar bottom is thread spindle, and the little axle in bottom of described end face gland upper end and depression bar is spirally connected fixing.
5. according to the cylinder head spark plug swivel nut press mounting tool described in any one in claim 1 to 4, it is characterized in that: described in tighten cover bottom and there is the guide section with the adaptive plug-in mounting of swivel nut internal diameter to be installed.
6. cylinder head spark plug swivel nut press mounting tool according to claim 5, is characterized in that: pressure head macro-axis outer end, described top is sphere and hardens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474167.7A CN103567959B (en) | 2013-10-12 | 2013-10-12 | Cylinder head spark plug swivel nut press mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474167.7A CN103567959B (en) | 2013-10-12 | 2013-10-12 | Cylinder head spark plug swivel nut press mounting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103567959A true CN103567959A (en) | 2014-02-12 |
| CN103567959B CN103567959B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310474167.7A Active CN103567959B (en) | 2013-10-12 | 2013-10-12 | Cylinder head spark plug swivel nut press mounting tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN103567959B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272221A (en) * | 2016-08-19 | 2017-01-04 | 王玲燕 | A kind of joint pin automatic assembling device |
| CN107717397A (en) * | 2017-11-02 | 2018-02-23 | 广西玉柴机器股份有限公司 | The press mounting tool of cylinder head water slug |
| CN108145412A (en) * | 2018-02-02 | 2018-06-12 | 重庆鑫源动力制造有限公司 | A kind of spark plug guide pipe equipment pressure head |
| CN112059989A (en) * | 2020-09-03 | 2020-12-11 | 北京星际荣耀空间科技有限公司 | Mechanical seal installation tool and turbine pump installation system |
| CN108145412B (en) * | 2018-02-02 | 2024-04-30 | 重庆鑫源动力制造有限公司 | Pressure head of spark plug conduit equipment |
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| US5636436A (en) * | 1994-12-28 | 1997-06-10 | Martin; Douglas A. | Extended coaxial cable ejection device |
| FR2901166A1 (en) * | 2006-05-16 | 2007-11-23 | Process Conception Ing Sa | Threaded pin extracting device for separating metallic elements, has sleeve that is spun with respect to support such that driving of sleeve causes axial translation of end fitting by cleat moved in direction causing extraction force on pin |
| CN201253832Y (en) * | 2008-05-09 | 2009-06-10 | 广西玉柴机器股份有限公司 | Pressing mechanism of cylinder head stretching type bayonet location fuel injector hole copper bush |
| CN101966700A (en) * | 2009-07-28 | 2011-02-09 | 广西玉柴机器股份有限公司 | Tool and method for pressing injector copper sleeve of cylinder head |
| CN201881348U (en) * | 2010-12-07 | 2011-06-29 | 成都飞机工业（集团）有限责任公司 | Special mounting tool for threaded bushing |
| CN201913434U (en) * | 2010-11-29 | 2011-08-03 | 广西玉柴机器股份有限公司 | Compression bar for copper bush of fuel injector |
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| CN203527370U (en) * | 2013-10-12 | 2014-04-09 | 广西玉柴机器股份有限公司 | Cylinder cover sparking plug threaded sleeve press fitting tool |
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2013
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5636436A (en) * | 1994-12-28 | 1997-06-10 | Martin; Douglas A. | Extended coaxial cable ejection device |
| FR2901166A1 (en) * | 2006-05-16 | 2007-11-23 | Process Conception Ing Sa | Threaded pin extracting device for separating metallic elements, has sleeve that is spun with respect to support such that driving of sleeve causes axial translation of end fitting by cleat moved in direction causing extraction force on pin |
| CN201253832Y (en) * | 2008-05-09 | 2009-06-10 | 广西玉柴机器股份有限公司 | Pressing mechanism of cylinder head stretching type bayonet location fuel injector hole copper bush |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272221A (en) * | 2016-08-19 | 2017-01-04 | 王玲燕 | A kind of joint pin automatic assembling device |
| CN106272221B (en) * | 2016-08-19 | 2018-04-03 | 周瑞芳 | A kind of joint pin automatic assembling device |
| CN107717397A (en) * | 2017-11-02 | 2018-02-23 | 广西玉柴机器股份有限公司 | The press mounting tool of cylinder head water slug |
| CN107717397B (en) * | 2017-11-02 | 2023-11-28 | 广西玉柴机器股份有限公司 | Press fitting tool for cylinder head water blockage |
| CN108145412A (en) * | 2018-02-02 | 2018-06-12 | 重庆鑫源动力制造有限公司 | A kind of spark plug guide pipe equipment pressure head |
| CN108145412B (en) * | 2018-02-02 | 2024-04-30 | 重庆鑫源动力制造有限公司 | Pressure head of spark plug conduit equipment |
| CN112059989A (en) * | 2020-09-03 | 2020-12-11 | 北京星际荣耀空间科技有限公司 | Mechanical seal installation tool and turbine pump installation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103567959B (en) | 2015-09-09 |
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