CN104999423A - Assembling tool for valve guide pipe - Google Patents
Assembling tool for valve guide pipe Download PDFInfo
- Publication number
- CN104999423A CN104999423A CN201510528531.2A CN201510528531A CN104999423A CN 104999423 A CN104999423 A CN 104999423A CN 201510528531 A CN201510528531 A CN 201510528531A CN 104999423 A CN104999423 A CN 104999423A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- piston rod
- cylinder piston
- press
- valve guide
- 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.)
- Granted
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Classifications
-
- 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses an assembling tool for a valve guide pipe. The assembling tool comprises a shell (11), an air cylinder piston rod (12) mounted in the shell (11), and a press fitting mandrel (13) detachably mounted on the shell (11), wherein one end of the press fitting mandrel (13) is in transmission connection with the air cylinder piston rod (12), the other end of the press fitting mandrel (13) is a valve guide pipe action end, and the moving direction of the air cylinder piston rod (12) is the press fitting direction of the valve guide pipe. According to the assembling tool provided by the invention, the air cylinder piston rod is used for applying a driving force, meanwhile, corresponding press fitting mandrels can be made according to motors of different models, and only the press fitting mandrel, instead of the whole assembling tool needs to be changed in a use process. Obviously, the assembling tool does not need to manually apply the driving force, and one part of the assembling tool needs to be changed; therefore, the labor intensity of an operator can be lowered by using the assembling tool.
Description
Technical field
The present invention relates to engine assembly technical field, particularly relate to a kind of assembly tool of valve guide bushing.
Background technology
Valve guide bushing is the guider of engine valve, and when engine runs, valve guide bushing provides guiding to valve, and makes the heat on valve stem be passed to cylinder cap through valve guide bushing.Therefore, when assembling engine, need valve guide bushing to be assemblied on cylinder cap.
In conventional art, need the size of the cylinder cap for required assembling type, and the size of corresponding valve guide bushing carries out actual measurement, and design and produce special valve guide bushing and pound holding tool.This pounds the structure of holding tool as depicted in figs. 1 and 2, when using this instrument, first valve guide bushing is put into the sleeve a pounding holding tool, then sleeve a is placed on the valve guide bushing pilot hole position place on cylinder cap, artificial rubber hammer knocks the afterbody of the mandrel b pounding holding tool, to be pounded by valve guide bushing install in valve guide bushing mounting hole site with this.
But above-mentioned holding tool of pounding exists following defect: owing to needing the type of assembling numerous, each type just needs to be equipped with a kind of special valve guide bushing and pounds holding tool, causes unnecessary cost waste, the labour intensity of operating personnel also can be caused larger; And mixed in together being not easy to of holding tool of pounding of sizes manages; Owing to adopting manpower to knock, the unbalance stress of mandrel, and it is subject to the restriction of valve guide bushing size, working portion size is less, easily deforms, and causes pounding holding tool and scraps.
Summary of the invention
The object of this invention is to provide a kind of assembly tool of valve guide bushing, this assembly tool can alleviate the labour intensity of operating personnel.
To achieve these goals, the invention provides following technical scheme:
A kind of assembly tool of valve guide bushing, comprise housing, be installed on the cylinder piston rod in described housing and be detachably installed on described housing press-fits mandrel, described press-fit mandrel one end and cylinder piston rod be in transmission connection, the described other end press-fiting mandrel is valve guide bushing effect end, the moving direction of described cylinder piston rod be valve guide bushing press-fit direction.
Preferably, in above-mentioned assembly tool, described housing has pressure relief opening, described pressure relief opening is provided with adjustable relief valve.
Preferably, in above-mentioned assembly tool, also comprise mandrel sleeve pipe, one end of described mandrel sleeve pipe is removably fixed in described housing, stretches in described housing outside the other end, described in press-fit mandrel valve guide bushing effect end be snug fit in the endoporus of described mandrel sleeve pipe.
Preferably, in above-mentioned assembly tool, the endoporus of described mandrel sleeve pipe is shoulder hole, described shoulder hole comprises near the first hole section of described cylinder piston rod and the second hole section away from described cylinder piston rod, the aperture of described first hole section is greater than the aperture of described second hole section, describedly press-fit mandrel and comprise near the first shaft part of described cylinder piston rod and the second shaft part away from described cylinder piston rod, the diameter of axle of described first shaft part is greater than the diameter of axle of described second shaft part.
Preferably, in above-mentioned assembly tool, described shoulder hole also comprises the transitional pore section be connected between described first hole section and described second hole section.
Preferably, in above-mentioned assembly tool, described in press-fit one end that mandrel is connected with described cylinder piston rod there is stopper protrusion, between the outer face of described stopper protrusion and described mandrel sleeve pipe, elastic reset part is set.
Preferably, in above-mentioned assembly tool, one end near described cylinder piston rod on described mandrel sleeve pipe is protruding termination, and the middle part of described mandrel sleeve pipe has auxiliary positioning protuberance, and described protruding termination and described auxiliary positioning protuberance all keep off mutually with the inwall of described housing and connecing.
Preferably, in above-mentioned assembly tool, between described cylinder piston rod and the described end face press-fiting mandrel, magnetic pad is set.
In technique scheme, assembly tool provided by the invention comprises housing, cylinder piston rod and press-fits mandrel, when using this instrument, by the valve guide bushing mounting hole site press-fiting mandrel aligned cylinder and cover, drive cylinder piston rod, cylinder piston rod is driven and press-fits mandrel motion, when the valve guide bushing effect end press-fiting mandrel contacts with valve guide bushing, valve guide bushing is subject to driving force, and along with the further motion of cylinder piston rod, valve guide bushing can be press-fited on cylinder cap.
Assembly tool provided by the invention adopts cylinder piston rod to apply driving force, and meanwhile, according to the engine of different model, what can make correspondence press-fits mandrel, in use only needs replacing to press-fit mandrel, need not whole replacing assembly tool.Obviously, compared to the content introduced in background technology, this assembly tool manually need not apply driving force, and changes a part for assembly tool, and therefore, this assembly tool can reduce the labour intensity of operating personnel.
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 present invention, 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 pounding holding tool in conventional art;
Fig. 2 is for pounding the sectional drawing of holding tool shown in Fig. 1;
The structural representation of the assembly tool that Fig. 3 provides for the embodiment of the present invention;
The sectional view of the assembly tool that Fig. 4 provides for the embodiment of the present invention;
The structural representation of a part for the housing that Fig. 5 provides for the embodiment of the present invention;
The structural representation press-fiting mandrel that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the mandrel sleeve pipe that Fig. 7 provides for the embodiment of the present invention.
Description of reference numerals:
11-housing, 12-cylinder piston rod, 13-press-fits mandrel, the adjustable relief valve of 14-, 15-mandrel sleeve pipe, 16-elastic reset part, 17-magnetic pad.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
As seen in figures 3-6, the embodiment of the present invention provides a kind of assembly tool of valve guide bushing, its for by pressing of valve guide pipe in the valve guide bushing mounting hole site on cylinder cap.This assembly tool comprises housing 11, be installed on the cylinder piston rod 12 in this housing 11 and be detachably installed on housing 11 press-fits mandrel 13, this press-fits one end of mandrel 13 and cylinder piston rod 12 is in transmission connection, the other end press-fiting mandrel 13 is valve guide bushing effect end, this valve guide bushing effect end can contact with valve guide bushing, and transmission of drive force, and the moving direction of cylinder piston rod 12 be valve guide bushing press-fit direction.
Housing 11 is split-type structural, and it at least comprises two parts, and these two parts connect by threaded fastener, can be installed on smoothly on housing 11 to ensure cylinder piston rod 12 and to press-fit mandrel 13.Housing 11 has air inlet, and this air inlet is positioned at the side of cylinder piston rod 12, and when gas is entered after in housing by air inlet, cylinder piston rod 12 will move in housing 11.The one end press-fiting mandrel 13 can directly be fixedly connected with cylinder piston rod 12, and its other end can pass the hole on housing 11, and this end press-fiting mandrel can be slidably matched with this hole.
When using above-mentioned assembly tool, by the valve guide bushing mounting hole site press-fiting mandrel 13 aligned cylinder and cover, drive cylinder piston rod 12, cylinder piston rod 12 is driven and press-fits mandrel 13, when the valve guide bushing effect end press-fiting mandrel 13 contacts with valve guide bushing, valve guide bushing is subject to driving force, and along with the further motion of cylinder piston rod 12, valve guide bushing can be press-fited on cylinder cap.
The assembly tool that the embodiment of the present invention provides adopts cylinder piston rod 12 to apply driving force, and meanwhile, according to the engine of different model, what can make correspondence press-fits mandrel 13, in use only needs replacing to press-fit mandrel 13, need not whole replacing assembly tool.Obviously, compared to the content introduced in background technology, this assembly tool manually need not apply driving force, and changes a part for assembly tool, and therefore, this assembly tool can reduce the labour intensity of operating personnel.In addition, after this assembly tool needing the parts changed reduce, the management of assembly tool is more convenient, and cost is lower, and adopts air cylinder driven, can also ensure the uniformity of driving force, makes to press-fit mandrel 13 and is not easy to occur distortion.
In order to adapt to the model change of valve guide bushing further, above-mentioned housing 11 can offer pressure relief opening, and adjustable relief valve 14 is installed at this pressure relief opening place, and this adjustable relief valve 14 is positioned at the side near its air inlet on housing 11.Under this kind of structure, adjustable relief valve 14 can be adjusted according to different type of machines, with the output pressure of this adjusting cylinders piston rod 12 and movement velocity thereof, realize press-fiting of the valve guide bushing of different model better with this.
Referring to Fig. 7, further, the assembly tool that the embodiment of the present invention provides also can comprise mandrel sleeve pipe 15, one end of this mandrel sleeve pipe 15 is removably fixed in housing 11, stretch in housing 11 outside the other end, the valve guide bushing effect end press-fiting mandrel 13 is snug fit in the endoporus of mandrel sleeve pipe 15.Press-fit the upper outside part stretching in housing 11 of mandrel 13 to contact with cylinder cap, provide and lead more accurately according to the position of valve guide bushing mounting hole site for press-fiting mandrel 13 with this, make valve guide bushing to press-fit precision higher.In addition, compared to the mode press-fiting mandrel 13 and be slidably matched with housing 11, press-fit mandrel 13 larger with the contact area of mandrel sleeve pipe 15, the positional precision press-fiting mandrel 13 is more accurate.
The endoporus of the outer surface and mandrel sleeve pipe 15 that press-fit mandrel 13 all can adopt straight barrel type structure, now both contacts area are larger, but lengthen along with press-fiting the shift motion of mandrel 13 in mandrel sleeve pipe 15, larger wearing and tearing will be produced between the two, cause the valve guide bushing effect end press-fiting mandrel 13 to diminish, reliably cannot press-fit valve guide bushing.In order to alleviate this problem, the endoporus of mandrel sleeve pipe 15 can be set to shoulder hole, this shoulder hole comprises near the first hole section of cylinder piston rod 12 and the second hole section away from cylinder piston rod 12, the aperture of this first hole section is greater than the aperture of the second hole section, press-fit mandrel 13 then to comprise near the first shaft part of cylinder piston rod 12 and the second shaft part away from cylinder piston rod 12, the diameter of axle of this first shaft part is greater than the diameter of axle of the second shaft part.
After the endoporus of mandrel sleeve pipe 15 is set to shoulder hole, press-fit between the second shaft part of mandrel 13 and the first hole section of mandrel sleeve pipe 15 because size disparity is not in contact with each other, and this second shaft part is only slidably matched with the second hole section of mandrel sleeve pipe 15, now can ensure that the active area press-fited between mandrel 13 and mandrel sleeve pipe 15 is in zone of reasonableness, the motion guide press-fiting mandrel 13 can be realized, effectively can also control wear extent between the two, ensure effectively press-fiting of valve guide bushing.
When press-fiting mandrel 13 and comprising the first shaft part and the second shaft part, along with the motion press-fiting mandrel 13, the second shaft part will contact with the second hole section.In this process, if the junction of the second hole section and the first hole section is aperture mutation structure, so press-fits mandrel 13 and will be not easy to coordinate with the second hole section.Accordingly, aforementioned shoulder hole also can comprise the transitional pore section be connected between the first hole section and the second hole section, and this transitional pore section tilts relative to the axis press-fiting mandrel 13.Obviously, this transitional pore section can be the motion press-fiting mandrel 13 and provides guiding.
In a kind of embodiment, press-fiting one end that mandrel 13 is connected with cylinder piston rod 12 can arrange stopper protrusion, arranges elastic reset part 16 between the outer face of this stopper protrusion and mandrel sleeve pipe 15.Elastic reset part 16 specifically can adopt spring, press-fits mandrel 13 through this spring.Reliably can realize by this elastic reset part 16 reset press-fiting mandrel 13, then ensure valve guide bushing to press-fit streamline more smooth.
Mandrel sleeve pipe 15 is fixed on housing 11 by threaded fastener, but after adopting threaded fastener, due to cost and the installation operation of threaded fastener, the cost of assembly tool can be caused higher, and efficiency of assembling is lower.In view of this, the one end near cylinder piston rod 12 on mandrel sleeve pipe 15 is protruding termination, and the middle part of this mandrel sleeve pipe 15 has auxiliary positioning protuberance, and this protruding termination and auxiliary positioning protuberance all keep off mutually with the inwall of housing 11 and connecing.Under this structure, housing 11 with the axial plane of mandrel sleeve pipe 15 for cut surface, and can form two parts, and these two parts are fixed by threaded fastener.Protruding termination and auxiliary positioning protuberance are placed in above-mentioned two parts, can realize the installation of mandrel sleeve pipe 15.After so arranging, threaded fastener can be saved, installation operation that also need not be complicated.
Selectively, cylinder piston rod 12 and press-fit between mandrel 13 and also can arrange magnetic pad 17, both are linked together by this magnetic pad 17.The connection being arranged so that cylinder piston rod 12 and press-fiting between mandrel 13 of magnetic pad 17 is more simple, quick; Meanwhile, magnetic pad 17 can prevent from even avoiding cylinder piston rod 12 and press-fit when mandrel 13 works being subject to sudden surge load, then reduces the shock loading that assembly tool is subject to, extends the service life of assembly tool.
Mode above only by illustrating describes some one exemplary embodiment of the present invention, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, 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 claims in the present invention protection domain.
Claims (8)
1. the assembly tool of a valve guide bushing, it is characterized in that, comprise housing (11), be installed on the cylinder piston rod (12) in described housing (11) and be detachably installed on described housing (11) press-fits mandrel (13), described press-fit mandrel (13) one end and cylinder piston rod (12) be in transmission connection, the described other end press-fiting mandrel (13) is valve guide bushing effect end, the moving direction of described cylinder piston rod (12) be valve guide bushing press-fit direction.
2. assembly tool according to claim 1, is characterized in that, (11) have pressure relief opening to described housing, described pressure relief opening is provided with adjustable relief valve (14).
3. assembly tool according to claim 1, it is characterized in that, also comprise mandrel sleeve pipe (15), one end of described mandrel sleeve pipe (15) is removably fixed in described housing (11), stretch in described housing (11) outside the other end, described in press-fit mandrel (13) valve guide bushing effect end be snug fit in the endoporus of described mandrel sleeve pipe (15).
4. assembly tool according to claim 3, it is characterized in that, the endoporus of described mandrel sleeve pipe (15) is shoulder hole, described shoulder hole comprises near the first hole section of described cylinder piston rod (12) and the second hole section away from described cylinder piston rod (12), the aperture of described first hole section is greater than the aperture of described second hole section, describedly press-fit mandrel (13) and comprise near the first shaft part of described cylinder piston rod (12) and the second shaft part away from described cylinder piston rod (12), the diameter of axle of described first shaft part is greater than the diameter of axle of described second shaft part.
5. assembly tool according to claim 4, is characterized in that, described shoulder hole also comprises the transitional pore section be connected between described first hole section and described second hole section.
6. assembly tool according to claim 3, it is characterized in that, describedly press-fit the upper one end be connected with described cylinder piston rod (12) of mandrel (13) there is stopper protrusion, between the outer face of described stopper protrusion and described mandrel sleeve pipe (15), elastic reset part is set.
7. assembly tool according to claim 3, it is characterized in that, the upper one end near described cylinder piston rod (12) of described mandrel sleeve pipe (15) is protruding termination, the middle part of described mandrel sleeve pipe (15) has auxiliary positioning protuberance, and described protruding termination and described auxiliary positioning protuberance all keep off mutually with the inwall of described housing (11) and connecing.
8. the assembly tool according to any one of claim 1-7, is characterized in that, arranges magnetic pad (17) between described cylinder piston rod (12) and the described end face press-fiting mandrel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528531.2A CN104999423B (en) | 2015-08-24 | 2015-08-24 | The assembly tool of valve guide bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528531.2A CN104999423B (en) | 2015-08-24 | 2015-08-24 | The assembly tool of valve guide bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104999423A true CN104999423A (en) | 2015-10-28 |
| CN104999423B CN104999423B (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510528531.2A Active CN104999423B (en) | 2015-08-24 | 2015-08-24 | The assembly tool of valve guide bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104999423B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041820A (en) * | 2016-08-09 | 2016-10-26 | 福州钜立机动车配件有限公司 | Vehicle valve guide pipe press |
| 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 |
Citations (6)
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| SU929387A1 (en) * | 1980-10-20 | 1982-05-23 | Львовский Ордена Ленина Политехнический Институт Им.Ленинского Комсомола | Apparatus for automatic assembling of parts of the shaft-and-sleeve type |
| KR20040013238A (en) * | 2002-08-05 | 2004-02-14 | 기아자동차주식회사 | A piston snap ring setting apparatus |
| CN102756355A (en) * | 2012-06-21 | 2012-10-31 | 奇瑞汽车股份有限公司 | Integral head-changing type valve oil seal tool and using method thereof |
| CN103286736A (en) * | 2013-05-03 | 2013-09-11 | 东风朝阳朝柴动力有限公司 | Simple mounting instrument for engine valve guide |
| CN104260044A (en) * | 2014-08-06 | 2015-01-07 | 安徽江淮汽车股份有限公司 | Valve oil seal press-fitting tool |
| CN204844026U (en) * | 2015-08-24 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Valve guide's erecting tool |
-
2015
- 2015-08-24 CN CN201510528531.2A patent/CN104999423B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU929387A1 (en) * | 1980-10-20 | 1982-05-23 | Львовский Ордена Ленина Политехнический Институт Им.Ленинского Комсомола | Apparatus for automatic assembling of parts of the shaft-and-sleeve type |
| KR20040013238A (en) * | 2002-08-05 | 2004-02-14 | 기아자동차주식회사 | A piston snap ring setting apparatus |
| CN102756355A (en) * | 2012-06-21 | 2012-10-31 | 奇瑞汽车股份有限公司 | Integral head-changing type valve oil seal tool and using method thereof |
| CN103286736A (en) * | 2013-05-03 | 2013-09-11 | 东风朝阳朝柴动力有限公司 | Simple mounting instrument for engine valve guide |
| CN104260044A (en) * | 2014-08-06 | 2015-01-07 | 安徽江淮汽车股份有限公司 | Valve oil seal press-fitting tool |
| CN204844026U (en) * | 2015-08-24 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Valve guide's erecting tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041820A (en) * | 2016-08-09 | 2016-10-26 | 福州钜立机动车配件有限公司 | Vehicle valve guide pipe press |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104999423B (en) | 2016-08-31 |
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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 Automotive Co., Ltd. |