CN101279419A - Cylinder cap air valve spring cover, locking plate press-loading head - Google Patents
Cylinder cap air valve spring cover, locking plate press-loading head Download PDFInfo
- Publication number
- CN101279419A CN101279419A CNA2008100115230A CN200810011523A CN101279419A CN 101279419 A CN101279419 A CN 101279419A CN A2008100115230 A CNA2008100115230 A CN A2008100115230A CN 200810011523 A CN200810011523 A CN 200810011523A CN 101279419 A CN101279419 A CN 101279419A
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- core body
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Abstract
The invention discloses a cylinder cover valve spring cover and a keeper pressing assembly device, which are characterized in that the invention comprises a pressing head external bushing which is provided with an ejector pin and a pressure head core body; the ejector pin is sheathed with an internal spring and an external spring and a spring pressure cover is sheathed on the ejector pin; a compression plug screw on the ejector pin is connected with the pressing head external bushing by screw thread; a core body sheath is arranged outside the pressure head core body, and the valve spring cover, a valve split collet, a valve spring, a valve ejector pin and related parts for a valve spring retainer are arranged below the core body sheath in sequence. The process of pressing and assembly comprises 6 actions; wherein, the pressing head external bushing is driven to be contacted with the valve spring by Action I; the pressure head core body is driven to be contacted with the ejector pin by Action II; the core body sheath is driven to be contacted with the valve split collet and the side of the pressure head core body is caused to slide into the end part of the valve ejector pin by Action III; the valve split collet is pressed into a space below the end part of the valve ejector pin by Action IV; the valve split collet is pressed into a space below a ring-shaped groove at the end part of the valve ejector pin by Action V; a pressure head is lifted, the valve spring is reset and the valve split collet is clamped into the ring-shaped groove of the valve ejector pin by Action VI.
Description
Technical field
The present invention relates to cylinder cap air valve spring cover, locking plate press-loading equipment, be used for engine and produce press-fiting of manufacturing cylinder cap air valve spring cover and locking plate in batches.
Background technology
At present, in engine production is made, the press-fiting of cylinder cap air valve spring cover and locking plate, much producers still continue to use simple hollow type press-loading head and press-fit.The efficient that this mode is assembled is low, and assembly quality is subjected to workpiece self precision factor to influence bigger.Therefore, when producing in enormous quantities, efficient is low, the unsettled contradiction of assembly quality is just more outstanding, needs a kind of new press-loading head to improve the quality of production.
Summary of the invention
In order to overcome the deficiency of existing press-fit approach, the invention provides a kind of cylinder cap air valve spring cover, locking plate press-loading head.Be intended to adopt the double-layer spring system, utilize the pressure of spring to guarantee the relative position of valve spring cover, valve split collets, valve stem, thus implementation efficiency height, assembly quality stable press-fit effect.
Technical solution of the present invention is achieved in that
A kind of cylinder cap air valve spring cover, locking plate press-loading head is characterized in that comprising the pressure head overcoat, in the middle of the pressure head overcoat through hole are arranged, and push rod and pressure head core body wherein are housed, and the two freely connects; Inner spring and outer spring are housed on the described push rod, on the inside and outside spring spring capping are arranged, described spring capping is set on the push rod, and the compression plug screw is arranged on the push rod, and this plug screw is connected with described pressure head sleeve thread; Between described pressure head core body and the pressure head overcoat core body sheath is housed also; Associated part valve spring cover, valve split collets, valve spring, valve stem and cotter seat are arranged under the core body sheath successively, the press-fiting process and can be decomposed into 6 kinds of actions of described associated part, wherein:
Action I, pressure head presses down, and be pressed onto the pressure head overcoat and contact with valve spring cover, and beginning compression valve spring; Action II, pressure head continues to press down, and the compression valve spring contacts with valve stem up to the pressure head core body;
Action III, pressure head continues to press down, the compression valve spring, the pressure head core body is pushed up back by valve stem, back-pressure pressure head core body, and then make the pressure head core body compress inner spring by push rod, contact with valve split collets up to the core body sheath, and make 2 valve split collets side branches slip into the end of valve stem;
Action IV, pressure head continues to press down, and compression valve spring, pressure head core body continue by push rod compression inner spring, and the core body sheath begins the pressure by outer spring, and valve split collets is pressed into below the valve stem end;
Action V, pressure head continues to press down, and compression valve spring, core body sheath are pressed into valve split collets below the end cannelure of valve stem;
Action VI, pressure head lifts, and valve spring is rebounded, and valve split collets is owing to the ramp effect of valve spring cover endoporus, and valve split collets snaps in the cannelure of valve stem end, press-fits and finishes.
Compared with prior art, advantage of the present invention is conspicuous, shows that mainly device structure is reliable and stable, installs easy to adjustly, can use simultaneously by a plurality of press-loading heads, has improved efficiency of assembling, has guaranteed assembly quality.
Description of drawings
Drawings attached 7 width of cloth of the present invention, wherein:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that of the present invention to press-fit action I be the schematic diagram of pressure head when contacting with valve spring cover;
Fig. 3 be of the present invention press-fit the action II be the schematic diagram that the pressure head core body contacts with valve;
Fig. 4 be of the present invention press-fit the action III be that the core body sheath contacts with valve split collets, the schematic diagram of 2 valve split collets when both sides separate;
Fig. 5 is that of the present invention to press-fit action IV be the schematic diagram of valve split collets when being pressed onto below the valve stem;
Fig. 6 is that of the present invention to press-fit action V be that valve split collets has been pressed onto the schematic diagram below the valve stem cannelure;
Fig. 7 be of the present invention press-fit the action VI be that pressure head lifts, valve split collets has been locked on the valve stem cannelure, finishes the schematic diagram when press-fiting.
In the accompanying drawings: 1. compress coil spring 5. cycle springs 6. covers 7. pressure head overcoats 8. core body sheaths 9. pressure head core bodys 10. valve spring covers 11. valve split collets 12. valve spring 13. valve stems 14. cotter seats in plug screw 2. spring cappings 3. push rods 4..
The specific embodiment
As Fig. 1-shown in Figure 7, a kind of cylinder cap air valve spring cover, locking plate press-loading head comprise: compress plug screw 1, spring capping 2, push rod 3, interior coil spring 4, cycle spring 5, cover 6, pressure head overcoat 7, core body sheath 8 and pressure head core body 9; It is characterized in that in the middle of the pressure head overcoat 7 through hole being arranged, push rod 3 and pressure head core body 9 wherein are housed, the two freely connects; Inner spring 4 and outer spring 5 are housed on the described push rod 3, spring capping 2 is arranged on the inside and outside spring, described spring capping 2 is set on the push rod 3, has compression plug screw 1 to be threaded with described pressure head overcoat 7 on the push rod; Between described pressure head core body 9 and the pressure head overcoat 7 core body sheath 8 is housed also; Associated part valve spring cover 10, valve split collets 11, valve spring 12, valve stem 13 and cotter seat 14 are arranged under the core body sheath successively; The press-fiting process and can be decomposed into 6 actions of described associated part, wherein:
Action I, pressure head presses down, and is pressed onto pressure head overcoat 7 and contacts with valve spring cover 10, and at this moment, pressure head begins compression valve spring 12.See Fig. 2.
Action II, pressure head continues to press down, compression valve spring 12, pressure head core body 9 contacts with valve stem 13.See Fig. 3.
Action III, pressure head continues to press down, compression valve spring 12, pressure head core body 9 is pushed up back by valve stem 13, and pressure head core body 9 contacts with valve split collets 11 up to core body sheath 8 by coil spring 4 in push rod 3 compressions, 2 valve split collets separate to both sides, slip into valve stem 13 ends.See Fig. 4.
Action IV, pressure head continues to press down, and compression valve spring 12, pressure head core body 9 continue by coil spring 4 in push rod 3 compressions, and core body sheath 8 begins the pressure by cycle spring 5, and valve split collets 11 is pressed into below valve stem 13 ends.See Fig. 5.
Action V, pressure head continues to press down, and compression valve spring 12, core body sheath 8 are pressed into valve split collets 11 below the valve stem 13 end cannelures.See Fig. 6.
Action VI, pressure head lifts, and valve spring 12 is rebounded, and valve split collets 11 is owing to the ramp effect of valve spring cover 10 endoporus, and valve split collets 11 snaps in the valve stem 13 end cannelures, then press-fits and finishes.See Fig. 7.
Claims (1)
1, a kind of cylinder cap air valve spring, locking plate press-loading head is characterized in that comprising pressure head overcoat (7), in the middle of the pressure head overcoat through hole are arranged, and push rod (3) and pressure head core body (9) wherein are housed, and the two freely connects; Inner spring (4) and outer spring (5) are housed on the described push rod (3), spring capping (2) is arranged on the inside and outside spring, described spring capping is set on the push rod (3), and the compression plug screw (1) on the push rod is threaded with described pressure head overcoat (7); Between described pressure head core body (9) and the pressure head overcoat (7) core body sheath (8) is housed also; Associated part valve spring cover (10), valve split collets (11), valve spring (12), valve stem (13) and cotter seat (14) are arranged under the core body sheath successively, the press-fiting process and can be decomposed into 6 kinds of actions of these associated parts, wherein:
Action I, pressure head presses down, and be pressed onto pressure head overcoat (7) and contact with valve spring cover (10), and beginning compression valve spring (12);
Action II, pressure head continues to press down, and compression valve spring (12) contacts with valve stem (13) up to pressure head core body (9);
Action III, pressure head continues to press down, compression valve spring (12), pressure head core body (9) is pushed up back by valve stem (13), back-pressure pressure head core body (9), and then make pressure head core body (9) by push rod (3) compression inner spring (4), contact with valve split collets (11) up to core body sheath (8), and make 2 valve split collets side branches slip into the end of valve stem (13);
Action IV, pressure head continues to press down, and compression valve spring (12), pressure head core body continue by push rod (13) compression inner spring (4), and core body sheath (8) begins the pressure by outer spring (5), and valve split collets is pressed into below valve stem (13) end;
Action V, pressure head continues to press down, and compression valve spring (12), core body sheath (8) are pressed into valve split collets below the end cannelure of valve stem (13);
Action VI, pressure head lifts, and valve spring (12) is rebounded, and valve split collets is owing to the ramp effect of valve spring cover (10) endoporus, and valve split collets (11) snaps in the cannelure of valve stem (13) end, press-fits and finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810011523A CN100574973C (en) | 2008-05-21 | 2008-05-21 | Cylinder cap air valve spring cover, locking plate press-loading head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810011523A CN100574973C (en) | 2008-05-21 | 2008-05-21 | Cylinder cap air valve spring cover, locking plate press-loading head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101279419A true CN101279419A (en) | 2008-10-08 |
| CN100574973C CN100574973C (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810011523A Expired - Fee Related CN100574973C (en) | 2008-05-21 | 2008-05-21 | Cylinder cap air valve spring cover, locking plate press-loading head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100574973C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983833A (en) * | 2010-10-29 | 2011-03-09 | 力帆实业(集团)股份有限公司 | Engine air valve locking plate pressure head |
| CN102069375A (en) * | 2010-12-29 | 2011-05-25 | 尹贤海 | Pneumatic automatic pressure head for lock clip valve stem pressing machine |
| CN102225541A (en) * | 2011-04-14 | 2011-10-26 | 刘正东 | Specific tool for valve cotters |
| CN102773684A (en) * | 2012-07-13 | 2012-11-14 | 北京天地玛珂电液控制系统有限公司 | Flexible punch |
| CN102806453A (en) * | 2012-08-16 | 2012-12-05 | 杭州新坐标科技股份有限公司 | Press fitting tool for lock clamps |
| CN103170828A (en) * | 2013-04-02 | 2013-06-26 | 青岛博世通工业设备有限公司 | Motor locking plate assembling machine |
| CN103447803A (en) * | 2013-09-12 | 2013-12-18 | 昆山市巴城镇顺拓工程机械配件厂 | Pressure head of pressing machine |
| CN105666131A (en) * | 2016-03-25 | 2016-06-15 | 广州市井源机电设备有限公司 | Device for automatically assembling valve seat ring and locking piece of engine cylinder cover |
| CN112814966A (en) * | 2020-12-29 | 2021-05-18 | 常德迪格机械制造有限公司 | Hydraulic oil cylinder body and manufacturing method thereof |
-
2008
- 2008-05-21 CN CN200810011523A patent/CN100574973C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983833B (en) * | 2010-10-29 | 2012-09-26 | 力帆实业(集团)股份有限公司 | Engine air valve locking plate pressure head |
| CN101983833A (en) * | 2010-10-29 | 2011-03-09 | 力帆实业(集团)股份有限公司 | Engine air valve locking plate pressure head |
| CN102069375A (en) * | 2010-12-29 | 2011-05-25 | 尹贤海 | Pneumatic automatic pressure head for lock clip valve stem pressing machine |
| CN102225541A (en) * | 2011-04-14 | 2011-10-26 | 刘正东 | Specific tool for valve cotters |
| CN102773684A (en) * | 2012-07-13 | 2012-11-14 | 北京天地玛珂电液控制系统有限公司 | Flexible punch |
| CN102773684B (en) * | 2012-07-13 | 2015-11-25 | 北京天地玛珂电液控制系统有限公司 | A kind of flexible punch |
| CN102806453B (en) * | 2012-08-16 | 2015-10-28 | 杭州新坐标科技股份有限公司 | A kind of locker clamping instrument |
| CN102806453A (en) * | 2012-08-16 | 2012-12-05 | 杭州新坐标科技股份有限公司 | Press fitting tool for lock clamps |
| CN103170828A (en) * | 2013-04-02 | 2013-06-26 | 青岛博世通工业设备有限公司 | Motor locking plate assembling machine |
| CN103170828B (en) * | 2013-04-02 | 2015-11-18 | 青岛博世通工业设备有限公司 | The installation method of engine locking plate fitting machine |
| CN103447803A (en) * | 2013-09-12 | 2013-12-18 | 昆山市巴城镇顺拓工程机械配件厂 | Pressure head of pressing machine |
| CN105666131A (en) * | 2016-03-25 | 2016-06-15 | 广州市井源机电设备有限公司 | Device for automatically assembling valve seat ring and locking piece of engine cylinder cover |
| CN105666131B (en) * | 2016-03-25 | 2018-06-15 | 广州市井源机电设备有限公司 | A kind of device for being used for automatic assembling cylinder cover valve washer, locking plate |
| CN112814966A (en) * | 2020-12-29 | 2021-05-18 | 常德迪格机械制造有限公司 | Hydraulic oil cylinder body and manufacturing method thereof |
| CN112814966B (en) * | 2020-12-29 | 2023-04-25 | 常德迪格机械制造有限公司 | Hydraulic cylinder body and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100574973C (en) | 2009-12-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| 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: 20091230 Termination date: 20190521 |