CN201179627Y

CN201179627Y - Control bar clamping structure with large movement

Info

Publication number: CN201179627Y
Application number: CNU2007203101207U
Authority: CN
Inventors: 郑博仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-04
Filing date: 2007-12-04
Publication date: 2009-01-14
Anticipated expiration: 2017-12-04

Abstract

The utility model provides a control lever clamp structure with big movement, comprising a fixed clamp fixed on a base bar and a power clamp in sliding arrangement on the base bar, a movable grip jaw and a control lever, wherein the free end of the power clamp is provided with a meniscus slotted hole and a sector tooth; the movable grip jaw is arranged at the free end of the power clamp; the control lever is limited inside the meniscus slotted hole by a pin rod and is fixedly provided with a double cam with corresponding arc convex parts, a first arc convex is pressed against the concave arc surface on the side of the section tooth of the power clamp, and a second arc convex is pressed against the inner plane of the movable grip jaw; therefore, when the control lever swings rotationally, the double cam is respectively pressed against the fixed power clamp concave arc surface and the inner plane of the movable grip jaw so that the stroke is accumulated double to the movable grip jaw, thereby ensuring that the power clamp has big clamping displacement and solving the elastic clearance problem caused by a pressing point away from a pivot.

Description

The control lever clamp structure of big amount of movement

Technical field

The utility model relates to a kind of control lever clamp structure of big amount of movement, refer to a kind of swing action especially, get so that the live splint jaw of power clamp produces the clamping displacement of twice stroke with control lever.

Background technology

Consult Fig. 1, shown in Figure 2, anchor clamps publication for existing U.S. Patent Publication No. US2003/0116901A1, the anchor clamps of this quasi-mode, be to include a geometrical clamp 10, described geometrical clamp 10 is the one ends that are fixed on a pedestal bar 11, one power clamp 12, described power clamp 12 is being arranged on the pedestal bar 11 of slippage, make it be able to backup and pressed from both sides thing, the free end 121 of described power clamp 12 is provided with sector 122, one control lever 13, described control lever 13 is hubbed on power clamp 12 free ends 121, and described control lever 13 is provided with ratchet 131 and button release 132, and control lever 13 front ends are set as cam 133, and cam 133 is resisted against live splint jaw 14 inner planes 141.

Consult shown in Figure 2, by above-mentioned composition, when power clamp 12 is passed near after being pressed from both sides thing, pulled described control lever 13 downward swings, the action of swing downwards forces the cam 133 of described control lever 13 to be able to pushing tow to go out described live splint jaw 14 and carry out the clamping displacement, produce a clamping displacement Y, but because power clamp 12 free ends 121 are far away apart from the fulcrum of power clamp 12, so clamping displacement Y that power clamp 12 is little, can't eliminate at all because of compression point away from the excessive problem of the elastic gap that fulcrum produced, so can't effectively clamp, so that must unclamp control lever 13 again, and again power clamp 12 is moved be close to pressed from both sides thing after, make the folder stopper again and do, its defective lay the blame on the clipping amount of movement of described power clamp 12 too small due to.

Still there is following point in its above-mentioned existing anchor clamps:

One, the clamping amount of movement of the power clamp 12 of existing anchor clamps is little, can't eliminate because of the problem of compression point away from the elastic gap that fulcrum produced, and when actuation force folder 12 can't clamp, just must unclamp control lever 13 clamping again;

Two, the clamping fault rate of existing anchor clamps significantly improves.

At the existing problem points of above-mentioned existing structure, how to develop the innovation structure of the desirable practicality of a kind of also tool, the ardent hope of real consumer institute also is that relevant dealer must make great efforts target and the direction that research and development break through.

In view of this, utility model designer this being engaged in the manufacturing development and the design experiences of Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicality.

Summary of the invention

The technical problem point that desire solves: existing anchor clamps, its purpose will clamp thing exactly, be beneficial to the carrying out of follow-up work, but existing U.S. publication case anchor clamps, it utilizes the cam of control lever to push the live splint jaw, and with the amount of movement that produce to clamp, but to clamp amount of movement too little because of it, can't eliminate because of compression point away from the elastic gap problem that fulcrum produced, cause the clamping mortality to heighten.

The technical characterstic of dealing with problems: the utility model provides a kind of control lever clamp structure of big amount of movement, be to comprise the power clamp that is provided with of fixing a geometrical clamp and slippage on the pedestal bar, the free end of described power clamp is provided with the slotted eye of falcate, free end is different to be provided with sector in the geometrical clamp direction, one live splint jaw, described live splint jaw is located at the free end of power clamp, one control lever, described control lever is limited in power clamp falcate slotted eye with pin rod, be installed with the protruding double cam of the corresponding arc of a tool on the described control lever, the protruding cancave cambered surface that is against the fan-shaped flank of power clamp of first arc, and the protruding live splint jaw inner plane that is against of second arc, control lever also is provided with ratchet and button release, in view of the above, when the control lever swing, force the double cam fixing power clamp cancave cambered surface and movable live splint jaw inner plane of contact respectively, cause double accumulated travel to the live splint jaw, make power clamp have big clamping displacement, must eliminate because of compression point away from elastic gap problem that fulcrum produced.

The effect of contrast background technology:

1. the anchor clamps of background technology have the problem of its clamping failure, and reason is that the clamping amount of movement of power clamp is too small.The control lever clamp structure of big amount of movement of the present utility model, the live splint jaw of its power clamp side has the amount of movement that double cam pushes, so it is double big to clamp amount of movement, can effectively clamp thing, exempts the clamping failure problem and takes place;

2. the anchor clamps of background technology, it can't eliminate excessive elastic gap problem because the clamping amount of movement is little, just can reach so cause clamping will waste the considerable time, and the double clamping amount of movement of the utility model tool is lost time and is pressed from both sides not tight puzzlement so solve.

Description of drawings

Fig. 1 is the floor map of existing U.S. publication;

Fig. 2 is that the folder stopper of existing U.S. publication is made schematic diagram;

Fig. 3 is an one embodiment floor map of the present utility model;

Fig. 4 is the floor map that one embodiment control lever of the present utility model does not move as yet;

Fig. 5 is an one embodiment control lever of the present utility model swing floor map extremely midway;

Fig. 6 is that one embodiment control lever of the present utility model swing is to omnidistance floor map.

Description of reference numerals: 10-holder; 11-pedestal bar; The 12-power clamp; The 121-free end; The 122-sector; The 13-control lever; The 131-ratchet; The 132-button release; The 133-cam; 14-live splint jaw; The 141-inner plane; The Y-amount of movement; 20-pedestal bar; The 30-holder; 31-geometrical clamp jaw; The 40-power clamp; The 41-free end; The 42-cancave cambered surface; The 43-sector; 44-falcate slotted eye; 50-live splint jaw; The 51-inner plane; The 60-control lever; The 61-pin rod; The 62-ratchet end; 621-button release end; The 63-elastic parts; The 64-double cam; 641-first arc is protruding; 642-second arc is protruding; The double amount of movement of X-.

The specific embodiment

The utility model provides a kind of control lever clamp structure design of big amount of movement of double clamping amount of movement.

Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.

Consulting Fig. 3, shown in Figure 4, is before one embodiment of the present utility model moves and action back plane schematic diagram, and it provides a kind of control lever clamp structure of big amount of movement, is to comprise:

One pedestal bar 20, the end limit on the described pedestal bar 20 sets firmly a geometrical clamp 30, and the free end of described geometrical clamp 30 also is provided with geometrical clamp jaw 31;

One power clamp 40, being arranged on the pedestal bar 20 of described power clamp 40 1 end slippages, the free end 41 of power clamp 40 is provided with a cancave cambered surface 42 and a sector 43 away from geometrical clamp 30 sides, and the nearly free end 41 of power clamp is provided with a falcate slotted eye 44;

One live splint jaw 50, described live splint jaw 50 are located at power clamp 40 free ends 41, live splint jaw 50 corresponding holder 30 geometrical clamp jaws 31;

One control lever 60, described control lever 60 is limited in power clamp 40 falcate slotted eyes 44 with pin rod 61, control lever 60 also is provided with ratchet structure, comprise ratchet end 62, button release end 621 and elastic parts 63, described ratchet end 62 is buckled in power clamp 40 sectors 43, ratchet structure is articulated on the control lever 60, the ratchet structure free end forms a button release end 621, and being provided with an elastic parts 63,60 of button release end 621 and control levers hold, control lever 60 sets firmly the two-way arc of a tool protruding 641,642 double cam 64, first arc protruding 641 is against power clamp 40 cancave cambered surfaces 42, the second arcs protruding 642 and is against live splint jaw 50 inner planes 51;

So, during described control lever 60 swings, first arc protruding 641 is toward fixing power clamp 40 cancave cambered surfaces 42 pushing tows, cause reaction force push lever 60, pin rod 61 along 44 displacements of falcate slotted eye, this while second arc protruding 642 also promotes 50 displacements of live splint jaw, adds the displacement of control lever 60, produces double amount of movement effect, make power clamp have big clamping displacement, eliminated because of compression point away from elastic gap problems of too that fulcrum produced.

Consult shown in Figure 5, be control lever action of the present utility model schematic diagram extremely midway, when described pressed from both sides thing put geometrical clamp 30 show as Fig. 3 with power clamp 40 after, with power clamp 40 slippages at pedestal bar 20 and backup to being pressed from both sides thing, again that control lever 60 swings are downward, the process that moves, its ratchet end 62 is buckle sector 43 at any time all, its clamping process can not got loose, and the process of its swing control lever 60, make the also swing simultaneously of double cam 64 of control lever 60, first arc protruding 641 of double cam 64 pushes the cancave cambered surface 42 that power clamp 40 is fixed, make control lever 60 move together with live splint jaw 50 directions of pin rod 61 toward falcate slotted eye 44, on the other hand, described live splint jaw 50 also simultaneously by the same stroke of protruding 642 pushing tows of second arc, adds the stroke of control lever 60, though have only control lever 60 moving to half, its live splint jaw 50 just has the double amount of movement of control lever 60 displacements.

Consult shown in Figure 6, schematic diagram for the complete displacement of control lever of the present utility model, to continue swings downward when control lever 60, the process that moves, its ratchet end 62 is buckle sector 43 at any time still, its clamping process can not got loose, and its swing control lever 60 is to the process of whole process, make the double cam 64 of control lever 60 also continue swing simultaneously, first arc protruding 641 of double cam 64 pushes the cancave cambered surface 42 that power clamp 40 is fixed, make control lever 60 move together with live splint jaw 50 direct limits of pin rod 61 toward falcate slotted eye 44, on the other hand, described live splint jaw 50 is also simultaneously by the same stroke of protruding 642 pushing tows of second arc, add the stroke of control lever 60, control lever 60 has only a displacement at falcate slotted eye 44, but its live splint jaw 50 just has the double amount of movement X of control lever 60 displacements, make power clamp have big clamping displacement, eliminated because of compression point away from elastic gap problems of too that fulcrum produced.

It is true as follows that the utility model effect is promoted:

1, a kind of innovation structure kenel of control lever clamp lamps structure of big amount of movement is provided, makes it be utilized control One times of amount of movement of bar processed becomes two times of amount of movements via the double cam amplification, and gets so that power operated jigs and fixtures have Big clamping displacement is eliminated the elastic gap problems of too that produces away from fulcrum because of compression point, and is made Effectively clamping of anchor clamps.

2, the special structure-improved design of the control lever clamp lamps structure of so big amount of movement, its main described structure Utilize on the part at power sandwiched falcate slotted eye, and control lever is provided with double cam, so in the swing of control lever Effect is lower, and it is lower to make two-jawed promote synchronously, allows the live splint jaw produce double amount of movement, and reaches effective folder The purpose of holding reaches the also effect of practicality of anchor clamps.

As can be known above-mentioned by it, the control lever clamp lamps structure of big amount of movement of the present utility model is really seen for industry head And meet the novelty important document person of new patent, and its comprehensive innovative design meets advancing of new patent Step property important document, and its double amount of movement meets better industry applications.

In sum, the utility model provides a kind of control lever clamp lamps structure of big amount of movement, and it really reaches To all purposes of the present utility model, the space kenel of its combining structure does not have no at like product in addition, not yet Before being disclosed in application, met the regulation of Patent Law, filed an application in accordance with the law.

More than explanation is novel just illustrative for this, and nonrestrictive, those of ordinary skills understand, In the situation that does not break away from the spirit and scope that following claims limit, can make many modifications, become Change, or equivalence, but all will fall in the protection domain of the present utility model.

Claims

1. the control lever clamp structure of a big amount of movement, it is characterized in that: it includes:

One pedestal bar, an end limit sets firmly a geometrical clamp on the described pedestal bar, and the free end of described geometrical clamp is provided with the geometrical clamp jaw;

One power clamp, described power clamp one end slippage is arranged on the described pedestal bar, and the free end of described power clamp is provided with a cancave cambered surface and a sector away from the geometrical clamp side, and the nearly free end of described power clamp is provided with a falcate slotted eye;

One live splint jaw, described live splint jaw is located at described power clamp free end, the corresponding geometrical clamp geometrical clamp of described live splint jaw jaw;

One control lever, described control lever is limited in described power clamp falcate slotted eye with pin rod, described control lever is provided with ratchet structure and is buckled in described power clamp sector, ratchet is articulated on the control lever, described ratchet free end forms a button release, holds and be provided with an elastic parts between button release and control lever, and described control lever sets firmly the protruding double cam of the two-way arc of a tool, protruding described power clamp cancave cambered surface, the protruding live splint jaw inner plane that is against of second arc of being against of first arc.

2. the control lever clamp structure of big amount of movement according to claim 1, it is characterized in that: described ratchet structure also comprises a ratchet end, a button release end and an elastic parts, it is fan-shaped that described ratchet end is buckled in power clamp, ratchet structure is articulated on the control lever, described ratchet free end is a button release end, holds and be provided with an elastic parts between described button release end and control lever.