CN201295901Y - Three-grooves air valve locking plate pressure head - Google Patents
Three-grooves air valve locking plate pressure head Download PDFInfo
- Publication number
- CN201295901Y CN201295901Y CNU2009200353493U CN200920035349U CN201295901Y CN 201295901 Y CN201295901 Y CN 201295901Y CN U2009200353493 U CNU2009200353493 U CN U2009200353493U CN 200920035349 U CN200920035349 U CN 200920035349U CN 201295901 Y CN201295901 Y CN 201295901Y
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- pressure head
- locking plate
- valve
- compressed air
- top cover
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Abstract
The utility model relates to a three-grooves air valve locking plate pressure head used for assembling the three-grooves air valve locking plate in cylinder cover assembly of automobile engine, which comprises a body, at least three reeds, a top cover and a sub-pin. The body is provided with a axial bore the top cover is mounted on the upper end of the body; the lower end of the body axial bore has a first flaring and a second flaring in step shaped; the sub-pin is sleeved by a spring and can move up and down in the axial bore of the body; the upper ends of the at least three reeds are fixed on the outer wall of the body, and the lower ends are extended to below the lower end surface of the body and is bent inwardly to form a claw; the body is also provided with a compressed air inlet and two compressed air ducts with a 180 degrees interval; and the lower ends of the two compressed air ducts are let into the first flaring in radial direction. The pressure head is used matching with special-purpose elevating machines, can improve the assembling qualified rate of three-grooves air valve locking plate greatly, achieves the advantages of simple structure, easy maintenance and low price, and has obvious technical and economic effect.
Description
Technical field
The utility model relates to a kind of three-flute valve split collets pressure head, is the locking plate press-loading instrument of the valve in the cylinder cover complement in the automobile engine.
Background technology
In the automobile engine, the valve in the cylinder cover complement need be installed locking plate and spring base, particularly the locking plate installation difficulty maximum of three-flute valve.The outer wall of three-flute valve tail end and the inwall of locking plate contain three grooves respectively, locking plate must be installed in outside the valve, and make that corresponding snapping coincide between three pairs of male and fomale(M﹠F)s on the two faying face, together pack in the spring base, its fitting operation trouble, difficult quality guarantee, at present valve split collets pressing machines that adopt import more, by the vibrations hopper state of valve split collets is organized into unanimity, with compressed air locking plate is blown on the pressure head along plastic tube, press-fits, complex structure, cost an arm and a leg, and three-flute valve split collets assembling qualification rate only is 90%.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, three-flute valve split collets pressure head that cost is low, and it is used for press-fiting of three-flute valve split collets in the automobile engine cylinder cover complement, can be efficiently fast and accurately finish the process that press-fits of three-flute valve split collets.
This three-flute valve split collets pressure head comprises body, at least three reeds, top cover and distribution, and body is provided with axial hole, and top cover is loaded on the upper end of body, and the lower end of body axial hole is first enlarging and second enlarging of stepped ramp type; Distribution is with spring and can moves up and down in the axial hole of body; The upper end of said at least three reeds is fixed on the body outer wall, and it is following and bend inwards to be and grab button that the lower end extends to the lower surface of body; Said body is provided with two compressed air channels of compressed air inlet and alternate 180 degree, and the lower end of two compressed air channels radially feeds in first enlarging.
Said body is formed by connecting by upper body and lower body two parts.
Said top cover has suspension rod, can davit be connected with installing plate by bolt, and whole pressure head is hung on installing plate.
Said top cover upper surface is provided with butterfly spring.
This three-flute valve split collets pressure head be not subjected under the situation of external force, and its distribution is the position that descends under the tension force effect of spring, and promptly Fen Xiao lower end is positioned at the end opening of the first step of body lower end.This pressure head upper end is fixing by suspension rod and bolt lifting.Before this pressure head is started working, earlier two semicircle locking plates (outer wall is tapering slightly) are combined to the unitary circular locking plate and the center taper hole at the valve spring seat of honour of packing in, in grabbing of subsequently the spring seat of honour being contained in that the reed bending of this press-loading head lower end forms buckled.When the work of press-fiting begins, the installation end of valve tail end stretches in the taper hole of the spring seat of honour and upwards the taper hole at the locking plate ejector spring seat of honour is entered in the first step enlarging of body, locking plate promptly is separated into two and half sheets by the distribution in the enlarging, valve continues upwards roof pressure distribution, distribution compression spring is moved up, leave first enlarging; When the endless belt of three protrusions on three annular grooves of valve end and the locking plate was corresponding, valve stopped ascending motion, opens air valve, compressed air is blown in first enlarging from two wing passages, blow two locking plates and move to the centre, amplexis is on the annular groove of valve stem, and the two concavo-convex coincideing interlocks.This moment, valve moved downward, and valve stem drives the downward return of locking plate and enters in the taper hole at the valve spring seat of honour, so far press-fits end.Above valve can together be finished the buck process of assembling by special-purpose elevation and subsidence mechanical with cylinder head.
This pressure head and special-purpose elevation and subsidence mechanical are used, and the assembling qualification rate of three-flute valve split collets improves greatly, and simple in structure, easy to maintenance, and price is low, and its technology, economic effect are obvious.
Description of drawings
Fig. 1 is the structural representation of three-flute valve split collets pressure head.Fig. 1 (1) is the A-A cutaway view of Fig. 1.
Fig. 2 is the valve shape assumption diagram.
Fig. 3 is pack into a constitutional diagram in the taper hole of the valve spring seat of honour of locking plate.
Fig. 4 is the state diagram that two semicircle locking plates are divided in the valve stem both sides.
Fig. 5 is the concavo-convex state diagram that coincide and be interlockingly connected of two semicircle locking plates and valve stem.
Fig. 6 is the pressing machine that cooperates with three-flute valve split collets pressure head.
Among the figure, 1-suspension rod bolt, 2-GRD geared top cover, 3-upper body, 3-1-compressed air inlet, 4-distribution, 5-spring, 6-lower body, 6-1-first enlarging, 6-2-second enlarging, 7-reed, button is grabbed in the bending of 8-reed, 9-butterfly reed, 10-compressed air channel, 11-reed hold-down screw, 12-valve, the three-flute of 12-1-valve, 13-installing plate, 14-three-flute valve spring seat of honour, 15-electric box, 16-lifting platform, 17-cylinder cover pallet, 18-Corner clamp, 19-corner gag lever post, 20-cylinder, 21-cylinder cover, 22-three-flute valve split collets pressure head.
The specific embodiment
The principle that press-fits below in conjunction with the structure of description of drawings three-flute valve split collets pressure head and cylinder cover valve split collets.
Valve 12 structures such as Fig. 2, the tail end of valve 12 are provided with three cannelure 12-1.
The structure of three-flute valve split collets pressure head is seen Fig. 1, upper body 3 and lower body 6 body that is formed by connecting, and the top cover 2 that has suspension rod is loaded on the upper end of upper body 3, and butterfly reed 9 is housed above the top cover 2.Be provided with distribution 4 in the axial hole of body, distribution 4 is with spring 5.See Fig. 1 and Fig. 1 (1), three spring leafs 7 be 120 ° uniform, the upper end is fixed on the outer wall of upper body 3, the lower end extends to the below of lower body 6, and be provided with bend inwards grab the button 8, upper body 3 is provided with compressed air inlet 3-1, and the air duct 10 of two alternate 180 degree [referring to Fig. 1 and Fig. 1 (1)] that communicate with it vertically runs through in the wall of upper body 3 and lower body 6, and the lower end of two air ducts 10 radially feeds in the first enlarging 6-1 of said lower body.
The three-flute locking plate press-fit process and principle is as follows:
The process that press-fits of locking plate is finished by means of the device of Fig. 6.As shown in Figure 6, this device is provided with electric box 15, cylinder cover pallet 17, Corner clamp 18, corner gag lever post 19, cylinder 20, lifting platform 16.Pressure head 22 (being three-flute valve split collets pressure head shown in Figure 1) is hanging connected on the installing plate 13 of Fig. 6 by suspension rod bolt 1, at 16 pressure heads of installing plate 13 double installations.
Earlier two semicircle locking plate 13-1,13-2 are put into the valve spring seat of honour 14, form as the component of Fig. 3, Fig. 3 component is put into the first enlarging 6-2 (φ 21.5mm hole) of pressure head lower end, detain 8 by grabbing of three spring leafs 7 component clamped.
Referring to Fig. 6, valve 12 is fixed and is lifted by lifting platform 21 by pallet 17 and anchor clamps 18 with cylinder cover 21, by Corner clamp 18 can make cylinder cover 21 tilt to required angle (represented the home position of cylinder cover 21 among Fig. 6 respectively and raise and turn to after the operating position), the valve on the cylinder cover 12 is aimed at pressure heads 22; When valve 12 upper ends were upwards arrived at pressure head 22 lower ends and moved up, valve 12 ejected two semicircle locking plate 13-1,13-2 and enter from the spring seat of honour 14 among the first enlarging 6-1 (φ 12.5 holes), and two semicircle locking plates by the distribution among the enlarging 6-1 4 separately.The upper end step face of the first enlarging 6-1 blocks dead axle to the position with locking plate 13-1,13-2.Valve 12 continues to rise, and passes and upwards push simultaneously distribution 4 from 2 locking plates, and spring 5 is compressed; When the endless belt of three protrusions on three annular groove 12-1 of valve 12 and two halves locking plate 13-1, the 13-2 is corresponding (as Fig. 4), the lifting mechanism stop motion, feed from compressed air inlet 3-1 this moment, compressed air radially is blown into the first enlarging 6-1 through path 10, two locking plate 13-1,13-2 are blown and are moved to the centre, and the two closes up (being Fig. 5 state) on the annular groove of valve 12; This moment, lifting mechanism drove cylinder head 21 and valve 12 moves downward, and valve 12 drives the locking plate of obvolvents on it and enters in the taper hole at the valve spring seat of honour 14, so far press-fits end.
Claims (4)
1. three-flute valve split collets pressure head is characterized in that comprising body, at least three reeds, top cover and distribution, and body is provided with axial hole, and top cover is loaded on the upper end of body, and the lower end of body axial hole is first enlarging and second enlarging of stepped ramp type; Distribution is with spring and can moves up and down in the axial hole of body; The upper end of said at least three reeds is fixed on the body outer wall, and it is following and bend inwards to be and grab button that the lower end extends to the lower surface of body; Said body is provided with two compressed air channels of compressed air inlet and alternate 180 degree, and the lower end of two compressed air channels radially feeds in first enlarging.
2. three-flute valve split collets pressure head according to claim 1 is characterized in that said body is formed by connecting by upper body and lower body two parts.
3. three-flute valve split collets pressure head according to claim 2 is characterized in that said top cover has suspension rod.
4. according to claim 1 or 2 or 3 described three-flute valve split collets pressure heads, it is characterized in that said top cover upper surface is provided with butterfly spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200353493U CN201295901Y (en) | 2009-03-19 | 2009-03-19 | Three-grooves air valve locking plate pressure head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200353493U CN201295901Y (en) | 2009-03-19 | 2009-03-19 | Three-grooves air valve locking plate pressure head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201295901Y true CN201295901Y (en) | 2009-08-26 |
Family
ID=41041863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200353493U Expired - Fee Related CN201295901Y (en) | 2009-03-19 | 2009-03-19 | Three-grooves air valve locking plate pressure head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201295901Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700619A (en) * | 2009-11-27 | 2010-05-05 | 奇瑞汽车股份有限公司 | Valve lock piece assembling device |
| CN111941345A (en) * | 2020-06-30 | 2020-11-17 | 南京宇众自动化装备有限公司 | Press mounting device |
-
2009
- 2009-03-19 CN CNU2009200353493U patent/CN201295901Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700619A (en) * | 2009-11-27 | 2010-05-05 | 奇瑞汽车股份有限公司 | Valve lock piece assembling device |
| CN101700619B (en) * | 2009-11-27 | 2014-05-07 | 奇瑞汽车股份有限公司 | Valve lock piece assembling device |
| CN111941345A (en) * | 2020-06-30 | 2020-11-17 | 南京宇众自动化装备有限公司 | Press mounting device |
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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 |
Granted publication date: 20090826 Termination date: 20180319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |