CN104476477A - Installing device of valve lock clamp and use method - Google Patents
Installing device of valve lock clamp and use method Download PDFInfo
- Publication number
- CN104476477A CN104476477A CN201410612766.5A CN201410612766A CN104476477A CN 104476477 A CN104476477 A CN 104476477A CN 201410612766 A CN201410612766 A CN 201410612766A CN 104476477 A CN104476477 A CN 104476477A
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- China
- Prior art keywords
- gland
- chamber
- valve
- push rod
- spring
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- Pending
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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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses an installing device of a valve lock clamp and relates to an installing device. The installing device comprises a handle and a press sleeve, one end of the press sleeve is a blind end while the other end is the opening end, a handle is fixed at the top of the blind end of the press sleeve, the inner cavity of the press sleeve is divided into the first chamber and the second chamber, the first chamber is close to the blind end and is cylindrical, a clamping seat is formed at the top wall of the first chamber, a spring is fixed on the clamping seat; the second chamber is close to the opening end and the lower end opening is less than the upper end opening; a mandril is arranged in the second chamber, an annular press plate is formed at the middle of the mandril along the radial direction, the tail of the mandril inserts into the inner cavity of the spring, the press plate props against the end of the spring, a gap is formed between the outer side wall of the top of the mandril and the inner wall of the second chamber, a valve lock piece can be installed in the gap; the installing device of the valve lock clamp is simple in structure and low in cost, and the valve lock piece can be automatically installed.
Description
Technical field
The present invention relates to a kind of erecting tools, specifically a kind of valve lock clamp installation tool and using method.
Background technology
Diesel engines at present valve spring locker is installed except automatic production line, it is all manual installation, rectangle stock is made according to personnel experience, lever principle is utilized to carry out manual installation, there is no the special erecting tools designed for it, install not only bothersome but also time-consuming, and owing to there is no special instrument, cylinder head part is damaged when being easy to cause installation, also likely occur that the locker caused due to discontinuity ejects, cause casualties, and valve collet, spring base is stationary engine heart component, its performance directly has influence on the realization of valve function, the life-span of engine can be affected during inefficacy, therefore the installation of valve collet also has very large impact to the quality of equipment.
In order to address this problem, the patent No. be 200920026597.1 " diesel engine spiracle locking plate dismantling device " disclose a kind of instrument of dismantled and assembled valve split collets, this instrument extrudes cotter seat by making inverted U-shaped pressure rack by moulded rod, thus valve end is exposed, then workman is installed to valve split collets on valve stem, but what this programme utilized is the space on inverted U-shaped pressure rack both sides, manually valve split collets is installed on valve stem, on the one hand in order to ensure enough fixing clearances, inverted U-shaped pressure rack can not be very wide, so can not be very large with the contact area of cotter seat, valve spring unbalance stress will be caused like this, still can occur time serious that instrument is by the problem rebounded out, on the other hand, although valve stem can be separated with cotter seat by this equipment, but still manually valve split collets need be installed, can also use when smallest number is installed, when batch is installed, still efficiency is not high.
For solving the problem, the patent No. be 200920048811.3 " Pneumatic valve locking plate dismounting device " to disclose a kind of take cylinder as the valve locking plate dismounting device of power, and valve split collets can directly be arranged on equipment by this equipment, without the need to manual operation, but this device structure is complicated, cost is high, for a small enterprise, increase equipment cost and just mean increase product cost, both be unfavorable for selling and be also unfavorable for enterprise development, so in conjunction with the problems referred to above, it is simple to be sought after a kind of structure, and cost is low and can realize the instrument of Auto-mounting valve split collets.
Summary of the invention
The object of the present invention is to provide a kind of valve lock clamp installation tool, solve the above problems.
The technical solution adopted for the present invention to solve the technical problems is: valve lock clamp installation tool, comprise handle and gland, it is characterized in that, described gland one end is cecum, the other end is openend, gland cecum top is fixed with handle, gland inner chamber is divided into the first chamber and the second chamber, described first chamber is cylindric near cecum, deck is provided with at the roof of the first chamber, deck is fixed with spring, described second chamber is near openend and lower ending opening is less than upper end open, a push rod is provided with in second chamber, a ring-type pressing plate is radially provided with in the middle part of push rod, push rod afterbody inserts spring intracavity, pressing plate is against spring end, space is left between push rod top outer wall and the second chamber inner wall, valve split collets can be placed in this space.
Described gland is split type, comprises gland and lower gland, and upper gland and lower gland are threaded connection, and the first chamber is positioned at gland, and the second chamber is positioned at lower gland.
Described push rod top end face is provided with locating slot, and the diameter of locating slot is not less than valve stem tail diameter.
Described locating slot sidewall is inclined-plane, and locating slot vertically cross section is trapezoidal.
Also comprise a protective sleeve, protective sleeve is the sleeve of one end open, and the protective sleeve other end is set on the outer wall of gland openend, is threaded connection.
A kind of using method of valve lock clamp installation tool, gland is placed on cotter seat, pressing handle, cotter seat is pressed down by gland, and valve end and ejector pin contact also by push rod jack-up, are slipped under the second locking plate on cotter seat, release handle, cotter seat upwards jack-up under the effect of valve spring, push rod playbacks under the action of the spring, thus makes valve stem engage the installation realizing valve split collets with valve split collets.
The invention has the beneficial effects as follows: 1. structure is simple, and cost is low, can realize Auto-mounting valve split collets.
2. gland is set to split type, can carry out changing lower gland according to the size of valve split collets, avoids the problem preparing multiple instrument because model is different, reduces entreprise cost.
3. push rod top is provided with locating slot, can, so that be enclosed within accurately on valve stem by push rod, prevent valve stem and push rod just not incorrect to causing valve split collets to be installed.
4. locating slot adopts trapezoid cross section, and increasing entrance can realize guide function, is valve stem automatic alignment.
5. be furnished with protective cover in the lower end of gland, can cover on outside cotter seat, prevent in use operate miss from causing valve spring unbalance stress that instrument bullet is flown.
6. change the unstability of in the past installing valve spring locker, improve installation effectiveness, avoid unnecessary injury.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one,
Fig. 2 is the structural representation of the embodiment of the present invention two,
Fig. 3 is the structural representation of the embodiment of the present invention three.
In figure, 1 handle, 2 glands, 21 first chambers, 22 second chambers, 23 decks, gland on 24,25 times glands, 3 springs, 4 push rods, 41 pressing plates, 42 locating slots, 5 valve split collets, 6 protective sleeves.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention will be further described.
Embodiment one, as shown in Figure 1, valve lock clamp installation tool, comprise handle and gland, described gland is cylindric, one end is cecum, the other end is openend, gland cecum top outer is fixed with handle, gland inner chamber is divided into the first chamber and the second chamber, described first chamber is cylindric near cecum, the roof of the first chamber is fixed with deck, deck is fixed with spring, described second chamber is near openend and lower ending opening is less than upper end open, form back taper mesa-shaped, a push rod is provided with in second chamber, a ring-type pressing plate is radially provided with in the middle part of push rod, the diameter of pressing plate is not less than the diameter of spring, push rod afterbody inserts spring intracavity, play the effect of fixing spring, spring is prevented to be separated with push rod, pressing plate is against spring end, can exert pressure to spring easily in the course of the work, space is left between push rod top outer wall and the second chamber inner wall, valve split collets can be placed in this space, valve split collets manually can be put into space when installing valve split collets, now press gland, valve split collets slips into in the second chamber by space by self gravitation automatically, thus realize installing.
During use, valve split collets is put into the second chamber, then be placed on cotter seat by gland, pressing handle, cotter seat presses down by gland, valve end and ejector pin contact by push rod jack-up, be slipped under second locking plate on cotter seat, release handle, cotter seat upwards jack-up under the effect of valve spring, push rod playbacks under the action of the spring, thus makes valve stem engage the installation realizing valve split collets with valve split collets.
Further, push rod top end face is provided with locating slot, and the diameter of locating slot is not less than valve stem tail diameter, like this when valve stem and push rod are fitted, valve stem can be fixed by locating slot, make valve stem and push rod axis coinciding, ensure to aim at, realize accurately installing.
Further, described locating slot sidewall is inclined-plane, locating slot vertically cross section is trapezoidal, adopt this kind of structure, make locating slot external diameter be greater than valve stem, form guide effect, when valve stem is inclined, the position of valve stem can be corrected easily, valve stem and locating slot are aligned, improve the accuracy rate of installing.
Embodiment two, as shown in Figure 2, valve lock clamp installation tool, comprise handle and gland, described gland is split type, comprises gland and lower gland, upper gland and lower gland are threaded connection, and adopt split type gland easily valve split collets can be put into lower gland, are convenient to install.It is cylindric that first chamber is positioned at gland, second chamber is positioned at lower gland, upper gland top is fixed with handle, deck is provided with at the roof of the first chamber, deck is fixed with spring, described second chamber lower ending opening is less than upper end open, a push rod is provided with in second chamber, a ring-type pressing plate is radially provided with in the middle part of push rod, push rod afterbody inserts spring intracavity, pressing plate is against spring end, leaves space between push rod top outer wall and the second chamber inner wall, and valve split collets can be placed in this space.
During use, valve split collets is put into the second chamber, then lower gland and upper gland are screwed by screw thread, the gland fixed is placed on cotter seat, pressing handle, cotter seat presses down by gland, valve end and ejector pin contact by push rod jack-up, be slipped under second locking plate on cotter seat, release handle, cotter seat upwards jack-up under the effect of valve spring, push rod playbacks under the action of the spring, thus makes valve stem engage the installation realizing valve split collets with valve split collets.If when running into the different valve split collets of model, the lower gland matched with valve split collets directly can be changed, selects suitable lower gland and upper gland to screw.
Embodiment three, as shown in Figure 3, valve lock clamp installation tool, comprise handle and gland, described gland is split type, comprises gland and lower gland, upper gland and lower gland are threaded connection, and adopt split type gland easily valve split collets can be put into lower gland, are convenient to install.It is cylindric that first chamber is positioned at gland, second chamber is positioned at lower gland, upper gland top is fixed with handle, deck is provided with at the roof of the first chamber, deck is fixed with spring, described second chamber lower ending opening is less than upper end open, a push rod is provided with in second chamber, a ring-type pressing plate is radially provided with in the middle part of push rod, push rod afterbody inserts spring intracavity, pressing plate is against spring end, space is left between push rod top outer wall and the second chamber inner wall, valve split collets can be placed in this space, also comprise a protective sleeve, protective sleeve is the sleeve of one end open, the protective sleeve other end is set on the outer wall of lower gland openend, be threaded connection, protective sleeve can hold cotter seat turnover.
During use; valve split collets is put into the second chamber of lower gland; then lower gland and upper gland are screwed by screw thread; again protective sleeve is enclosed within cotter seat; pressing handle; cotter seat presses down by gland; valve end and ejector pin contact by push rod jack-up; be slipped under second locking plate on cotter seat; release handle; cotter seat upwards jack-up under the effect of valve spring, push rod playbacks under the action of the spring, thus makes valve stem engage the installation realizing valve split collets with valve split collets.Increase protective sleeve can prevent from, in use because of uneven in maloperation or hand, cause the problem that instrument bullet flies, improving safety in utilization.
Claims (7)
1. valve lock clamp installation tool, comprise handle and gland, it is characterized in that, described gland one end is cecum, the other end is openend, gland cecum top is fixed with handle, gland inner chamber is divided into the first chamber and the second chamber, described first chamber is cylindric near cecum, deck is provided with at the roof of the first chamber, deck is fixed with spring, described second chamber is near openend and lower ending opening is less than upper end open, a push rod is provided with in second chamber, a ring-type pressing plate is radially provided with in the middle part of push rod, push rod afterbody inserts spring intracavity, pressing plate is against spring end, space is left between push rod top outer wall and the second chamber inner wall, valve split collets can be placed in this space.
2. valve lock clamp installation tool according to claim 1, is characterized in that, described gland is split type, comprises gland and lower gland, and upper gland and lower gland are threaded connection, and the first chamber is positioned at gland, and the second chamber is positioned at lower gland.
3. valve lock clamp installation tool according to claim 1 and 2, is characterized in that, described push rod top end face is provided with locating slot, and the diameter of locating slot is not less than valve stem tail diameter.
4. valve lock clamp installation tool according to claim 3, is characterized in that, described locating slot sidewall is inclined-plane, and locating slot vertically cross section is trapezoidal.
5. valve lock clamp installation tool according to claim 1 and 2, is characterized in that, also comprises a protective sleeve, and protective sleeve is the sleeve of one end open, and the protective sleeve other end is set on the outer wall of gland openend, is threaded connection.
6. valve lock clamp installation tool according to claim 3, is characterized in that, also comprises a protective sleeve, and protective sleeve is the sleeve of one end open, and the protective sleeve other end is set on the outer wall of gland openend, is threaded connection.
7. the using method of valve lock clamp installation tool according to claim 1 or 2, it is characterized in that, be placed on by gland on cotter seat, pressing handle, makes gland be pressed down by cotter seat, valve end and ejector pin contact by push rod jack-up, be slipped under second locking plate on cotter seat, release handle, cotter seat upwards jack-up under the effect of valve spring, push rod playbacks under the action of the spring, thus makes valve stem engage the installation realizing valve split collets with valve split collets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612766.5A CN104476477A (en) | 2014-11-04 | 2014-11-04 | Installing device of valve lock clamp and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612766.5A CN104476477A (en) | 2014-11-04 | 2014-11-04 | Installing device of valve lock clamp and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104476477A true CN104476477A (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410612766.5A Pending CN104476477A (en) | 2014-11-04 | 2014-11-04 | Installing device of valve lock clamp and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104476477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621068A (en) * | 2017-08-28 | 2018-01-23 | 青岛海尔空调器有限总公司 | A kind of air conditioner filter screen buckle structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178161Y (en) * | 1993-02-10 | 1994-09-28 | 李大平 | Slide block type valve dismounting device |
| DE10053257A1 (en) * | 2000-10-26 | 2002-05-08 | Klann Tools Ltd | Mounting for two valve keys comprises spring plate on vehicle engine valve shaft, guide bar, and attachments |
| CN2633526Y (en) * | 2003-06-27 | 2004-08-18 | 绵阳新晨动力机械有限公司 | Assembling tool |
| CN101081499A (en) * | 2006-06-01 | 2007-12-05 | 比亚迪股份有限公司 | Engine valve clearance adjustment tools |
| CN202428390U (en) * | 2011-12-29 | 2012-09-12 | 锐展(铜陵)科技有限公司 | Multi-machine-type engine valve key tool |
-
2014
- 2014-11-04 CN CN201410612766.5A patent/CN104476477A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178161Y (en) * | 1993-02-10 | 1994-09-28 | 李大平 | Slide block type valve dismounting device |
| DE10053257A1 (en) * | 2000-10-26 | 2002-05-08 | Klann Tools Ltd | Mounting for two valve keys comprises spring plate on vehicle engine valve shaft, guide bar, and attachments |
| CN2633526Y (en) * | 2003-06-27 | 2004-08-18 | 绵阳新晨动力机械有限公司 | Assembling tool |
| CN101081499A (en) * | 2006-06-01 | 2007-12-05 | 比亚迪股份有限公司 | Engine valve clearance adjustment tools |
| CN202428390U (en) * | 2011-12-29 | 2012-09-12 | 锐展(铜陵)科技有限公司 | Multi-machine-type engine valve key tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621068A (en) * | 2017-08-28 | 2018-01-23 | 青岛海尔空调器有限总公司 | A kind of air conditioner filter screen buckle structure |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |
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| RJ01 | Rejection of invention patent application after publication |