CN2587593Y

CN2587593Y - Force boosting mechanism for vice

Info

Publication number: CN2587593Y
Application number: CN 02288929
Authority: CN
Inventors: 林溪水
Original assignee: Homge Industry Co ltd
Current assignee: Homge Industry Co ltd
Priority date: 2002-11-26
Filing date: 2002-11-26
Publication date: 2003-11-26
Anticipated expiration: 2012-11-26

Abstract

The utility model discloses a time-force mechanism for vices, which especially enables movable clamp jaws to generate the time-force type clamping action. The front section of a sleeve barrel respectively contains a holding push block and a pushing block., the tail section is pivoted with an operating rod and is screwed with a regulating rod, and the operating rod is fixedly connected with the regulating rod. Both sides are respectively provided with a slope. The pushing block is fixedly inlaid with a guiding screw rod. Two elbow section rods are clamped between the holding push block and the pushing block to enable holding round bars on the middle sections of the elbow section rods to respectively clamp both sides of the slopes. In addition, the part of the regulating rod corresponding to a key slot of the sleeve barrel is provided with a pin rod clamped with a steel ball, and the tail end is screwed with a cap. The utility model enables the movable clamping jaws to generate clamping force which is multiple times as external force to increase convenience and practicality in use.

Description

The vice force multiplication system

Technical field

The utility model relates to a kind of vice structure, is meant a kind of vice structure that can make live splint jaw generation one be several times as much as the chucking power of external force especially.

Background technology

General factory is in the process of workpiece, and regular meeting utilizes the folder jaw of vice to hold, locate workpiece, in order to machining machine and tool or engineer workpiece is bestowed mill, cut, hole .... wait action; And vice in the past mostly adopts hand-rail type; promptly shake handle by the engineer; utilize screw rod to drive the displacement of live splint jaw; reach the purpose of holding workpiece; yet; this live splint jaw must have enough chucking power clamping work, just can make workpiece add man-hour, unlikely getting loose and produce danger; so; believe many engineers in operation during vice, the experience that all has whole body strength with strength just can order about live splint jaw clamping of workpieces, therefore; this traditional type vice is not only operated effort; and under the situation that engineer's application of force size is not quite similar, regular meeting causes live splint jaw and piece-holder power and the uppity situation of elasticity, especially at the live splint jaw just and workpiece when touching; this live splint jaw is easier of application of force inequality or application of force deficiency; and having action to have some setbacks, the situation that chucking power is not enough forms puzzlement and inconvenience on using.

Summary of the invention

Therefore, because known vice still has the above-mentioned part of improving not to the utmost, this use new design people is grasping the mind of serving the general public, the more long-pending experience of making Related product of being engaged in for many years, constantly concentrate on studies and constantly test, have an improvement structure that can solve above-mentioned shortcoming to come out finally.

The purpose of this utility model is providing a kind of " vice force multiplication system " that can make the live splint jaw produce the force-doubling type holding action.

A kind of vice force multiplication system, main in a distolateral geometrical clamp jaw that is provided with of body, and in other distolateral a positioning block that is provided with, and between geometrical clamp jaw and locating piece, placed a driving screw, wear for a live splint jaw spiral shell; So, when the user when the rocking bar turn driving screw, can order about live splint jaw shift reciprocately by the circling round and the cooperation of geometrical clamp jaw of driving screw, finish clamping or discharge the action of workpiece, it is characterized in that:

This locating piece, the place is provided with a perforation in corresponding driving screw, and continues in the perforation end and to be provided with a ring set;

One sleeve is worn pivot in the perforation and ring set of locating piece, and it is formed with a parts chamber in leading portion, be provided with a perforation in latter end, have an opening, and this is bored a hole and is provided with a thread segment in section place nearby and this parts chamber is distolateral, be provided with a keyway in the proximal end place, and be formed with a cambered surface in the keyway sidewall;

One holds piece, rests on the parts chamber diapire of sleeve, and it also is provided with a duct in correspondence perforation place, and is respectively equipped with a clamping slot in inwall with suitable spacing;

One operating bar is set in the perforation of sleeve and holds in the duct of piece, and it is provided with one in leading portion and makes motion block, and is concaved with an embedding hole in latter end, and this is indoor as the parts that motion block is set in sleeve, and it has been formed separately an inclined-plane in both sides;

One ejection piece is contained in the nearly opening part in parts chamber of sleeve, and it also is respectively equipped with a clamping slot in the clamping slot place that correspondence holds piece, and is provided with a hexagon prism in corresponding driving screw place, for a flexible member sheathed after, with the chimeric formation interlock of driving screw;

Two angle levers, be contained in and hold piece and ejection interblock, include two location pole, a clamping pole and two connecting rods respectively, wherein, inlay card is in the clamping slot that holds piece and ejection piece respectively for this two location pole, and with a connecting rod one end pivot knot, this clamping pole then is clamped in the inclined-plane of operating bar respectively, hold piece and the ejection piece is located the pole blocking respectively and formed interlock for holding pivot knot in addition with connecting rod, making;

One capping, envelope is located at the open side of sleeve, and it is provided with a circular hole in central authorities, wears pivot for driving screw;

One adjusting lever, be set in the perforation of sleeve, it is provided with a hexagon prism in front end, supply and the chimeric formation interlock in the embedding hole of operating bar, be provided with a thread segment in section place nearby, screw togather for thread segment with the perforation inwall, and the keyway place in corresponding sleeve radially is provided with a shrinkage pool, and is ccontaining for a tip bar, and is axially arranged with an alcove in the corresponding shrinkage pool of latter end place, supply a steel ball in regular turn, one push rod and a spring are ccontaining, and this tip bar is provided with a draw-in groove in corresponding steel ball place, and for the steel ball inlay card, and this alcove is provided with a thread segment in nearly end section, put for a cap spiral shell, make cap be positioned at alcove appropriate depth place.

In other words, vice force multiplication system of the present utility model, it mainly comprises a sleeve, one holds piece, one operating bar, one ejection piece, two angle levers, one capping and an adjusting lever, it is characterized in that: this sleeve is contained in the perforation of locating piece, it is equipped with one respectively in leading portion and holds a piece and an ejection piece, and one operating bar is arranged in the latter end hub setting, and spiral shell is provided with an adjusting lever, and this operating bar and adjusting lever are fixed, it respectively is provided with an inclined-plane in both sides, and this ejection piece and driving screw build-in, its with hold the interblock blocking two angle levers arranged, the clamping pole that makes the angle lever stage casing is the clamping ramps both sides respectively, in addition, this adjusting lever is provided with a tip bar that engages with steel ball in the keyway place of corresponding sleeve, and is provided with a cap in terminal spiral shell; So, need only be with predetermined external force, overcome the blocking power of steel ball and tip bar, can be when tip bar break away from keyway, independent turn adjusting lever also advances operating bar, makes the inclined-plane extrapolation clamping pole of reach, and stretch simultaneously in two angle levers, order about ejection piece generation one and be several times as much as the thrust of external force, and promote driving screw towards axial adjusting microinching, with clamping work pieces; Therefore, the utility model can make the live splint jaw produce one and be several times as much as the chucking power of external force, and can improve convenience and practicality on using.

Understand for structure of the present utility model, feature and effect can be obtained further, lift a preferred embodiment now, and cooperate the graphic back that is described in more detail in:

Description of drawings

Fig. 1: the utility model one preferred embodiment is installed on the stereoscopic figure of vice.

Fig. 2: the assembled sectional view of above-mentioned preferred embodiment of the utility model and vice.

Fig. 3: the part schematic perspective view of the above-mentioned preferred embodiment of the utility model.

Fig. 4: the cross-sectional schematic of action is passed in the above-mentioned preferred embodiment of the utility model.

The specific embodiment

At first, see also Fig. 1, shown in Figure 2, the utility model consists predominantly of a vice body 10, a sleeve 20, holds piece 30, an ejection piece 40, an operating bar 50, two angle levers 60, a capping 70 and an adjusting lever 80; Wherein:

This body 10, for be the pedestal of long square type without exception, it is provided with a geometrical clamp jaw 11 in the left side, and be provided with a positioning block 12 in the right side, and this locating piece 12 is provided with a perforation 13 in central authorities, and continuing in perforation 13 ends is provided with a ring set 14, and this geometrical clamp jaw 11 and a driving screw 15 1 end pivots knot, make driving screw 15 be positioned at 12 of fixed chuck 11 and locating pieces, put for a live splint jaw 16 spiral shells.

This sleeve 20, wear pivot in the perforation 13 and ring set 14 of locating piece 12, it is formed with a parts chamber 21 in leading portion, be provided with a perforation 22 in latter end, has an opening 23 and this parts chamber 21 is distolateral, and this perforation 22 is provided with a thread segment 221 in section place nearby, is provided with a keyway 222 in the proximal end place, and is formed with a cambered surface 223 (as shown in Figure 4) in keyway 222 sidewalls.

This holds piece 30, rests on parts chamber 21 diapires of sleeve 20, and it also is provided with a duct 31 in correspondence 22 places of boring a hole, and is respectively equipped with the clamping slot 32 of a long strip type with suitable spacing in inwall.

This ejection piece 40, be contained in 21 nearly openings, 23 places, parts chamber, it also is respectively equipped with a clamping slot 41 in clamping slot 32 places that correspondence holds piece 30, be provided with a shrinkage pool 42 in the inboard, set for a compression spring 43 1 ends, and 15 places convex with a hexagon prism 44 in corresponding driving screw, for a flexible member (the utility model employing shell fragment) 45 sheathed after, with driving screw 15 chimeric formation interlocks.

This operating bar 50, please cooperate shown in Figure 3, be set in the perforation 22 of sleeve 20 and hold in the duct 31 of piece 30, it is provided with one in leading portion and makes motion block 51, be provided with an embedding hole 52 in latter end, and this makes motion block 51 and places in the parts chamber 21, is tapered without exception block, its in both sides respectively correspondence be formed with an inclined-plane 53.

This two angle lever 60, be contained in and hold 40 of piece 30 and ejection pieces, include two location pole 61,62, a clamping pole 63 and two connecting

rods

64,65 respectively, wherein, this two the location pole 61,62 respectively inlay card in the

clamping slot

32,41 that holds piece 30 and ejection piece 40, with connecting

rod

64,65 1 end pivots knot, this clamping pole 63 then is clamped in 53 front end places, operating bar 50 inclined-planes respectively, and holds the pivot knot to form interlock in addition with connecting

rod

64,65.

This capping 70, envelope is located at opening 23 sides of sleeve 20, and it is provided with a circular hole 71 in central authorities, wears pivot for driving screw 15.

This adjusting lever 80, be set in the perforation 22 of sleeve 20, it is provided with a hexagon prism 81 in front end, supply embedding hole 52 chimeric formation interlocks with operating bar 50, be provided with a thread segment 82 in section place nearby, for screwing togather with the thread segment 221 of wearing 22 hole inwalls, and keyway 222 places in corresponding sleeve 20 radially are provided with a shrinkage pool 83, ccontaining for a tip bar 84, and axially be provided with an alcove 85 in the corresponding shrinkage pool of latter end 83 places, supply a steel ball 86 in regular turn, one push rod 87 and a spring 88 are ccontaining, and this tip bar 84 is provided with V-shaped without exception draw-in groove 841 in corresponding steel ball 86 places, and for steel ball 86 inlay cards, and this alcove 85 is provided with a thread segment 851 in nearly end section, screw togather with thread segment 851 for a cap 89, make cap 89 be positioned at alcove 85 appropriate depth places.

The structure of above-mentioned each assembly of the utility model, the explanation of feature and relevant position, please consult Fig. 2 again and cooperate shown in Figure 3, during its assembly, need only receive into parts chamber 21 with holding opening 23 sides of piece 30 earlier by sleeve 20, make and hold piece 30 and rest on parts chamber 21 diapires and can't retire, again operating bar 50 latter ends are set in perforation 22 leading portions of sleeve 20 by the duct 31 that holds piece 30, make and make motion block 51 and be contained in the parts chamber 21, then, angle lever 60 is inserted in the parts chamber 21, make the location round bar 61 of its end chimeric with the clamping slot 32 that holds piece 30, insert ejection piece 40 again, make the clamping slot 41 of its inner face chimeric with the location pole 62 of angle lever 60, and with the compression spring 43 hold ejection operating bar 50 distolateral in addition, so, can be by angle lever 60 and the blocking that holds piece 30 and ejection piece 40, make and hold piece 30 and ejection piece 40 formation interlocks, afterwards, capping 70 mirrors are located at opening 23 sides of sleeve 20, and when compression shell fragment 45 is pushed ejection piece 40, make the connecting rod 64 of angle lever 60, contract in 65, be clamped in clamping pole 63 respectively and do 53 front end places, motion block 51 inclined-planes, at last, adjusting lever 80 is inserted in the perforation 22 by the terminal spiral shell of sleeve 20, its thread segment 82 is screwed togather with thread segment 221, with the embedding hole 52 chimeric formation interlocks of hexagon prism 81, promptly finish assembling of the present utility model simultaneously with operating bar 50.

During as for its start, need only look pre-power size earlier, revolve standard or revolve and move back cap 89, use and order about that spring 88 is pushed or pine oil push rod 87, can control the chimeric tightness of steel ball 86 and tip bar 84 draw-in grooves 841, and the pre-power size that setting tip bar 84 and sleeve 20 keyways 222 break away from, drive sleeve 20 turns in order to decision adjusting lever 80, and order about driving screw 15 turns, or promotion operating bar 50 advances to move, be force-doubling type forward and advance and order about driving screw 15, use preventing that live splint jaw 16 from touching workpiece and promptly produce meaningless preceding promotion work because of one; Therefore, if steel ball 86 is chimeric tighter with draw-in groove 841, the pre-power that i.e. expression sets is bigger, then the user certainly will will bestow a bigger turn power and just can make tip bar 80 disengaging keyways 222, using promotion operating bar 50 advances to move, be the force-doubling type propelling forward and order about driving screw 15, otherwise, if steel ball 86 and draw-in groove 841 chimeric pines, promptly the pre-power that sets of expression is less, and then user's gesture need only be bestowed a turn power that is slightly larger than pre-power, can make tip bar 80 break away from keyways 222, advance to move to promote operating bar 50, be the force-doubling type propelling forward and order about driving screw 15.

Therefore, user need only configure pre-power, can be as the known vice of biconditional operation, drive earlier adjusting lever 80 rotation of circling round, at this moment, because live splint jaw 16 does not touch workpiece, so, the active force that the operator bestowed can't surpass pre-power, promptly represent the tip bar 84 of this adjusting lever 80 and the keyway 222 inlay cards formation interlock of sleeve 20, and can be in turn simultaneously, rotations of circling round of the sleeve 20 that drives bond and fixed operating bar 30, and then make the clamping poles 63 of making 51 groups of commentaries on classics of motion block angle lever 60, and at the location of angle lever 60 pole 61,62 respectively with

clamping slot

32,41 inlay cards, under the situation of interlock, drive holds 40 revolutions of piece 30 and ejection piece, make and the driving screw 15 of hexagon prism 44 interlockings of ejection piece 40 thereupon in locating

piece

12 and 11 turns of geometrical clamp jaw, use and order about live splint jaw 16 and advance towards the workpiece direction.

All consult shown in Figure 4, when treating live splint jaw 16 with the piece-holder location, the operator certainly will will bestow a bigger active force, just can order about live splint jaw 16 and produce a bigger chucking power, therefore, once this active force is greater than pre-power, then break away from keyway 222 via cambered surface 223 at tip bar 80, and in contract to the situation of shrinkage pool 83, this adjusting lever 80 promptly can be lost the blocking with sleeve 20, continuous action relation, and turn in perforation 22 separately, and simultaneously in turn, utilize the occluding relation of thread segment 851 and thread segment 22, spiral shell advances and passes operating bar 50 forward gradually, so, in the time of can pushing away the clamping pole 63 of stretching angle lever 60 in the inclined-plane 53 of operating bar 50, make connecting

rod

64,65 stretch towards the outside, at this moment, because holding piece 30 has not had the space of retiring, thereby this angle lever 60 certainly will only can move toward the direction of ejection piece 40, and can overcome shell fragment 45 elastic force, and by compressing the restoring force of spring 43, order about ejection piece 40 and bear a thrust that is several times as much as external force, and towards the axial location adjusting microinching, and the thrust pushing tow driving screw 15 to produce, make the live splint jaw 16 on the driving screw 15 produce a force-doubling type chucking power, need only be for the operator with an application of force very easily, can be firm clamp workpiece.

Therefore, this use is novel by above-mentioned structure and action, has had following listed advantage and effect in fact:

Promptly, the utility model can be under the situation of the normal start that does not influence live splint jaw 16, in live splint jaw 16 holding workpieces simultaneously, make motion block 51 by operating bar 50, the location pole 61 of

angle lever

60,62, clamping pole 63 and connecting

rod

64,65 ejection, the blocking effect, make ejection piece 40 bear a thrust that is several times as much as external force, and promote or traction driving screw 15 towards axial adjusting microinching, tightly clamp workpiece and order about live splint jaw 16 generation force-doubling type chucking powers, and the utility model can be by the setting of pre-power size, make the live splint jaw 16 can be with after the suitable chucking power holding workpiece, just be force-doubling type forward and advance, prevent that live splint jaw 16 from touching workpiece and promptly produce the meaningless preceding action that pushes away because of one; Thereby this use is novel must not to spend too big active force, can avoid the situation of chucking power inequality or application of force deficiency, and operation, action are very simple, and can improve convenience and practicality in the use.

In sum, " the vice force multiplication system " that the utility model is above-mentioned, not only real on the category of ware have its novelty, has more the fact of above-mentioned enhancement effect.

Yet; above disclosed illustrating only is a preferred embodiment of the present utility model, is familiar with the personage of this skill of this case such as; its prolong is decided according to the utility model spirit category, and equivalence is modified or variation, all should be encompassed in the protection domain of the novel claim of this use.

Claims

1. a vice force multiplication system is main in a distolateral geometrical clamp jaw that is provided with of body, and in other distolateral a positioning block that is provided with, and between geometrical clamp jaw and locating piece, placed a driving screw, and wear for a live splint jaw spiral shell, it is characterized in that:

2. vice force multiplication system as claimed in claim 1 is characterized in that: this ejection piece inboard is provided with a shrinkage pool, sets for compression spring one end, this compression spring is held in addition lean to make the motion block sidewall at operating bar.

3. vice force multiplication system as claimed in claim 1 is characterized in that: this flexible member is a shell fragment.