CN2340568Y - Forceps for engine cylinder - Google Patents

Abstract

The utility model relates to a pair of valve forceps for an engine cylinder, which is mainly provided with a main body slightly in an arch, and both ends of the main body are respectively provided with a butting block and a fixing block. The fixing block can penetrate through a penetrating rod which faces to the end of the butting block and is screwed with a pressing block, and the other end of the penetrating rod is linked with the pressing rod. When the pressing rod is pushed, the penetrating rod can be pushed out horizontally, and a spring seat and a valve spring can be pushed by a pressing block at the tail end of the pressing rod. Thus, a spring seat holder is exposed, and the utility model can be disassembled. When the pressing rod is wrenched, the spring seat is quit. When a valve needs to disassembled, the valve forceps can be moved to a next valve, and the pressing rod can be wrenched. Thus, the utility model achieves the goal of convenient and quick operation.

Description

The cylinder of engine is all and clamp

It is all and clamp that the utility model relates to a kind of engine (engine) cylinder, and a kind of operation especially is provided, and engine cylinder is all and clamp fast.

As Fig. 4, shown in Figure 5, be provided with some groups of cylinders 51 in the engine 50 of automobile, each group cylinder 51 all is provided with controls the admission door 52 that is mixed in the cylinder, and the exhaust valve 53 of the back waste gas eliminating of will burning, both materials are slightly different, usually admission door 52 adopts nichrome made, 53 of exhaust valves adopt high heat-proof extraordinary silicochromium made, because both shapes are identical, for ease of explanation, be example only with exhaust valve 53, one end of exhaust valve 53 is the bigger porthole head 531 of external diameter, its periphery have gradient and can with 511 driving fits of porthole mouth, in addition extend a valve link 532 from porthole head 531 axle center, this valve link 532 penetrates valve spring 55 after passing valve guide 54 again, and places a spring base 56 that stays on valve spring 55 in end, the multiple folder in valve link 532 ends established spring base folder 57, deviates to avoid spring base 56 and valve spring 55.

And during the engine start, in the reciprocating action of admission door 52 and exhaust valve 53, be that the waste gas of high temperature is discharged via exhaust valve 53, so porthole head 531 peripheries at exhaust valve 53 very easily produce the carbon distribution situation, make porthole head 531 and the porthole mouth 511 can't driving fit, admission door 52 and exhaust valve 53 are in reciprocating action again, very easily produce wearing and tearing, and, all can influence compression ratio no matter be that carbon distribution or wearing and tearing take place exhaust valve 53, need be dismantled cleaning or replacing again, but because the elasticity of valve spring 55 is very big, tightly pressing spring seat folder 57, thus need compress valve spring 55 by special tool(s), to expose spring base folder 57 dismountings that are positioned at valve link 532 ends.

See also Fig. 4, shown in Figure 6, porthole instrument in order to the dismounting automobile engine is allly to clamp 60, it has the fixed mount 61 of an inverted L shape, a circular geometrical clamp 62 is fixed by a wherein bottom portion of fixed mount 61, the centre of geometrical clamp 62 also forms a short slot 621, and differ from fixed mount 61 tops of the establishing geometrical clamp 62 two parallel adjustable shelfs 63 that are pivoted, adjustable shelf 63 extends downwards and the type support body 64 of the upward opening that is pivoted in the bottom, laterally place a portable plate 65 identical in support body 64 with geometrical clamp 62 axle center, portable plate 65 contiguous geometrical clamp 62 these ends are also established a live splint 66, and the top of portable plate 65 is provided with tooth portion 651, the fixture block 67 that then is pivoted on the end face of support body 64 and can be equipped in tooth portion 651, in addition establish an adjustment button 68 that can place support body 64 in a side of support body 64, the axostylus axostyle of this adjustment button 68 passes support body 64 an affixed star shifting block 69 afterwards, the periphery of this shifting block 69 can be meshed with the tooth portion 651 of portable plate 65, in addition, fixed mount 61 ends of contiguous adjustable shelf 63 depression bar 70 that is pivoted, and set firmly a contact piece 71 in depression bar 70 tops, the both sides of this contact piece 71 fixed pawl 72 that is pivoted respectively, the free end of two fixed pawls 72 also is hubbed at the both sides of adjustable shelf 63 jointly, its occupation mode is then please consulted Fig. 5 simultaneously, shown in 7, with all and clamp 60 geometrical clamp 62 and be held in spring base 56 ends, and make spring base folder 57 and valve link 532 pass the short slot 621 of geometrical clamp 62, button 68 is adjusted in rotation, make shifting block 69 rotations, and then drive portable plate 65, live splint 66 is released be held in porthole head 531, then depression bar 70 is suppressed toward adjustable shelf 63 directions, and the contact piece 71 that makes depression bar 70 tops supports and the lateral margin of adjustable shelf 63, that is the distance of shortening geometrical clamp 62 and live splint 66, and because the porthole head 531 that live splint 63 is suppressed is the fixed position, so the distance that is shortened will impel geometrical clamp 62 to compress valve spring 55 with reaction force pushing clamping spring seat 56, make valve link 532 ends and spring base folder 57 pass the short slot 621 of geometrical clamp 62, spring base can be pressed from both sides 57 dismountings, depression bar 70 is turned back the origin-location, backward rotation is adjusted button 68 again, portable plate 65 is withdrawed from, get final product disengaged vapor door spring 55, extract exhaust valve 53 out cleaning again, then with all and clamp 60 and move to next porthole, heavily cover aforementioned prop up spring base-rotation adjust button and clamp-press from both sides-turn back depression bar-revolve actions such as moving back the adjustment button by moulded rod-dismounting spring base, and one by one porthole is disassembled.

Above-mentioned for all structures that clamps of available engine porthole and occupation mode, by as can be known described, during its desire dismounting porthole, need aim at porthole one by one, button is adjusted in rotation again, to push against the porthole head, finishes and withdraws from after dismounting is moved again, so rather loaded down with trivial details and time-consuming in the operation.

The structure that clamps owing to this is all is numerous again, need two fixed mounts of difference, a geometrical clamp, two adjustable shelfs, two fixed pawls, a depression bar, a contact piece, a type support body, a portable plate, a live splint, fixture blocks, to adjust button and shifting block, wait to finish each member moulding after, assembling is established in riveting one by one again, and because its member is various, easily cause the inconvenience of making and assembling, the emptier cost that increases.

Moreover, be to be four link design between fixed mount, two adjustable shelfs and the type support body, when live splint was released, it had changed highly, that is live splint and geometrical clamp are crooked component so bestow the power of valve spring not on same axle center; Add after the compacting depression bar, just push against valve spring through many members, so that in the conductive process of power with the suffered reaction force of geometrical clamp, rate of wear is very big, so need bestow bigger power and can push against the compression valve spring, be with, existing all and pincers comparatively consume power on using.

From the above, the cylinder of available engine is all and clamp, because operating process is loaded down with trivial details, it is various to add member, causes defectives such as cost height and effort, and the necessity that is improved is arranged in fact.

Main purpose of the present utility model is to provide a kind of cylinder of engine all and clamp, and its member is less and be easy to make and assembling.

Another purpose of the present utility model is to provide a kind of cylinder of engine all and clamp, and the conduction of its power is more direct, and comparatively laborsaving.

The technical solution of the utility model is to provide a kind of cylinder of engine all and clamp, wherein, be provided with a main body, the two ends of main body are integrally formed with and hold piece and fixed block, wherein, hold piece and be horizontal-extending and go out, this fixed block is then established one and is worn groove with respect to holding piece, in addition fix a positioning seat in the fixed block both sides, positioning seat towards establish do not hold piece should end extension, and on positioning seat with the pivot depression bar that is pivoted, a stopper sheet is pivoted on the depression bar, the free end of stopper sheet then is pivoted and one can passes the bar that main body is worn groove, and bar is established a pressing block towards holding this end of piece and connecing, and this pressing block is the cylinder of a hollow, it differs from this end face of bar and is provided with axial through grooves, make periphery form the ring that holds of ring-type, the perisporium of pressing block then is an Openworks shape, only connects with brace.

The cylinder of aforesaid engine is all and clamp, and wherein, bar is provided with internal thread towards holding this end of piece, establishes a driving screw with spiral shell, and driving screw in addition end promptly set firmly pressing block.

Characteristics of the present utility model are:

Owing to utilize stopper sheet direct pull bar, its lateral displacement distance is bigger, so during the dismounting engine, as long as once adjust required separation distance, other portholes all can directly be applied mechanically, as long as and dismounting the time pushes against porthole head-pull depression bar-dismounting spring base and presss from both sides-turn back depression bar and can finish, it is all and clamp like tradition, when dismantling each porthole, needs rotation again to adjust button and clamps, execution is rotated and is withdrawed from, so move simple and easy and quick.

In addition, the utility model mainly is made of main body, positioning seat, depression bar, stopper sheet, bar, driving screw and pressing block, and its member is few and easy to manufacture, and ease of assembly, so its manufacturing cost is lower.

Moreover pressing block is to be held on porthole head and spring base in line with holding piece, and the application of force is more direct and laborsaving.

Again, during its start the principle of utilizing connecting rod and slide block to cooperate, make and pull depression bar and promptly promote bar again, and reach the labour-saving purpose, and the member that utilizes is few via the stopper sheet, so the rate of wear of power is extremely low, and comparatively laborsaving.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Fig. 1: be stereo appearance figure of the present utility model.

Fig. 2: be plane of the present utility model partial section view.

Fig. 3: be the planar gesture schematic diagram of the utility model when being implemented on engine.

Fig. 4: be the tradition all and pincers be implemented on engine the time schematic appearance.

Fig. 5: be all and floor map of pincers when being implemented on engine of tradition.

Fig. 6: be the tradition all and pincers outside drawing.

Fig. 7: be all and planar gesture schematic diagram of pincers when being implemented on engine of tradition.

As Fig. 1, shown in Figure 2, engine cylinder provided by the utility model is all and clamp, it is the main body 10 that is provided with just like arch, the two ends of main body 10 are integrally formed with and hold piece 11 and fixed block 12, wherein, hold piece 11 and be horizontal-extending and go out, this fixed block 12 then level wears one and wears groove 121, this is worn groove 121 and is oppositely arranged with the center that holds piece 11, fix the type positioning seat 20 that an opening makes progress in addition in fixed block 12 both sides, this positioning seat 20 and court do not establish and hold piece 11 these ends extensions, and laterally place a pivot 31 in positioning seat 20 ends, with the depression bar 30 that is pivoted, a stopper sheet 32 is pivoted on the depression bar 30 of these pivot 31 tops, holding in addition and being pivoted of stopper sheet 32 one can be passed the bar 33 that main body 10 is worn groove 121, bar 33 is towards holding piece 11 these ends and being provided with internal thread, establish a driving screw 34 with spiral shell, and driving screw 34 outwardly this end set firmly a pressing block 35, this pressing block 35 is the cylinder of a hollow, it does not connect driving screw 34 these ends and is provided with axial through grooves 351, make periphery form holding of ring-type and encircle 352, the perisporium of pressing block 35 then is an Openworks shape, forms the disassembling part 354 that is connected with two braces 353.

When implementing the utility model, be to hold piece 11 as illustrated in fig. 3 to be resisted against porthole head 41, pressing block 35 hold ring 5352 then aligning be located at the spring base 43 of valve link 42 ends, depression bar 30 is pulled toward main body 10 directions, can make stopper sheet 32 beats and promote bar 33 in wearing groove 121 intrinsic displacements, pressing block 35 is released and pushing clamping spring seat 43, and then compression valve spring 44, make valve link 42 ends and spring base folder 45 be stretched on the disassembling part 354 of pressing block 35 hollow outs, can utilize the instrument dismounting, again depression bar 30 is turned back, make bar 33 retractions and break away from valve link 42.

When desire is dismantled next porthole,, heavily cover aforementioned activities: push against porthole head-pull depression bar-dismounting spring base to press from both sides-turn back depression bar and get final product to hold piece with all and pincers move to next porthole.

If it is more that engine size differs, the driving screw 34 of then rotatable spiral shell on bar 33 stretches out or retraction driving screw 34, and then adjusts the spacing that holds piece 11 and pressing block 35, to meet the required of engine specifications.

As shown in the above description, the utility model utilizes stopper sheet direct pull bar, its lateral displacement distance is bigger, so during the same tool engine of dismounting, as long as adjust required separation distance for the first time, other portholes all can directly be applied mechanically, as long as and dismounting the time pushes against porthole head-pull depression bar-dismounting spring base and presss from both sides-turn back depression bar and can finish, it is all and clamp like tradition, when dismantling each porthole, need rotation again to adjust button and clamp, execution is rotated and is withdrawed from, so compare, action of the present utility model is simple and easy and quick.

Claims (2)

1. the cylinder of an engine is all and clamp, it is characterized in that: be provided with a main body, the two ends of main body are integrally formed with and hold piece and fixed block, wherein, hold piece and be horizontal-extending and go out, this fixed block is then established one and is worn groove with respect to holding piece, fix a positioning seat in the fixed block both sides in addition, positioning seat does not hold this end extension of piece towards establishing, and on positioning seat with the pivot depression bar that is pivoted, the stopper sheet that is pivoted on the depression bar, the free end of stopper sheet then are pivoted and one can pass the bar that main body is worn groove, bar is established a pressing block towards holding this end of piece and connecing, this pressing block is the cylinder of a hollow, and it differs from this end face of bar and is provided with axial through grooves, makes periphery form the ring that holds of ring-type, the perisporium of pressing block then is an Openworks shape, only connects with brace.

2. the cylinder of engine according to claim 1 is all and clamp, and it is characterized in that: bar is provided with internal thread towards holding this end of piece, establishes a driving screw with spiral shell, and driving screw in addition end promptly set firmly pressing block.

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