CN2367432Y - Multifunction tool - Google Patents

Abstract

The utility model relates to a series tool which has one function or a plurality of functions as major functions, such as clamping, press (rolling, punching, connection, and riveting), pull and shearing (cutting and wire peeling). A special moving chain is formed from two gripping heads of the utility model, a connecting rod, etc.; thus, relative translation can be carried out between head parts; or the size of an opening formed from the head parts can be altered by the relative translation. The two head parts can be basically kept on the same level in the direction of a center line of the opening; the requirement of realizing various functions is better satisfied. The utility model perfectly integrates the functions and the capabilities through the design of various structures, shapes and auxiliary devices. The utility model is suitable for more fields.

Description

Multi-purpose tool

The utility model relates to and has folder, presses (roll, dash, connect, print), pulls, cuts a kind of function among (cut, wire stripping), perhaps with wherein several be the series of tools of major function, especially multi-functional or multiduty instrument.

Many pliers all have several functions, comprise that existing more novel " locking pliers " is exactly a kind of more multi-functional instrument that has, but their opening still is made of relatively turnable binding clip, therefore still perfect inadequately on the performance, as in order to obtain gripping performance or more function preferably, binding clip (outside the hinge center that part of) needs very long, and then the labor-saving effect is bad, in addition, also be subjected to many restrictions in the use.Even it is the specific purpose tool that has as adjustable wrench, also has some defectives on the performance, big as head dimensions, can not lean on very tightly with clipped object, easily skid etc.

The head that the purpose of this utility model provides a kind of chuck by relative translation constitutes the multi-purpose tool of opening, reaches the existing instrument inaccessiable performance of institute and the scope of application with advanced, rational structure, to realize the unification of purposes and performance.

The purpose of this utility model is to realize like this, its opening is made of the head of two chucks that can do relative translation, two chucks and other basic building block have constituted a special mechanism (kinematic chain), can realize the relative motion between the member under external force, wherein do relative near linear translation between two chucks, thereby opening is magnified or closure.Constituting of described kinematic chain: two chucks all connect with revolute pair (hinge) with the isometric and parallel connecting rod of the two hinge lines of centres more than two or two, the center line of opening is (anisopleual as opening, can see by one of several parts or major part after the closure and near linear) with connecting rod in predetermined position, the centre of motion the two hinge lines of centres of (during on request or during the two limit positions that limits of normal operating range gets) with design parallel or have the less angle (generally should be being good less than 5～10 °, so can claim that two line directions should be roughly the same or substantially parallel, still good during 20 ° of individual cases up), make the head of two chucks can do in a big way relative translation, and its top can better meet the demands with corresponding position dislocation less (concordant substantially) on described open centre line direction.It also comprises the handle with one of the member of above-mentioned member and/or connection on it part or several compositions.

As seen this kinematic chain is a parallel double crank mechanism through special design, is applied on this utility model (it is generally acknowledged that dislocation is big between the member of this mechanism's translation, and tool head requires concordant).In order to reach same purpose, also this kinematic chain can be given modification again: a pair of or several isocentric circular arc chutes that can slide relatively that hinge-coupled is changed between chuck and the connecting rod (were overlapped between the isocentric circular arc guide rail in twos with connecting of slide rail between the two, can be considered the part of the hinge-coupled of concentric circular shaft and circular hole), the hinge center that the center of circle of certain described chute and slide rail is equivalent to connect between the two, promptly on this center of circle and the corresponding connecting rod between the line at another hinge center, perhaps with described all the other connecting rods on the two hinge lines of centres between isometric and parallel.Equally, can be reduced to the hinge axis that connects with described chute and another chuck with the isocentric circular arc chute of chuck and another chuck with the connecting rod of hinge-coupled respectively with above-mentioned, promptly directly with on described this another chuck or with its axle journal replacement with hinge-coupled.This axle journal still connects with described arc chute, and its diameter of axle equals the chute width, between axle center and the chute circle center line connecting, or isometric and parallel with the two hinge lines of centres on described all the other connecting rods.In addition, chute can also be become straight trough (two guide rails are the plane that is parallel to each other), promptly arc radius is infinitely great (special case of arc chute).The axle journal diameter that the chute width equals to connect with it.Chute and axle journal should have more than two pairs, because can not connect with two chucks with connecting rod again.Guide rail between the chute is also all parallel.The centerline average of opening should be vertical with the guide rail of chute, also less angle can be arranged.

The chuck that this paper is alleged, the head that its formation opening portion is a chuck is equivalent to binding clip, pulls mouth, is different from general pliers, spanner because both are coupled to each other relation, so be referred to as with this according to its function.Do relative translation in the utility model between the chuck, can remain parallelly between two opposite side that are parallel to each other, be equivalent to the spanner actinal surface, but different be very tightly reliable between two opposite side and the caught object.In order to obtain more function or more performance, the head of chuck can design different structures, shape, as one or more the combination among plane, curved surface, teeth groove, boss, recess, screw thread, unthreaded hole, decorative pattern, cutting edge, the drift etc., the other parts that also comprise one group of head and chuck connect firmly with removable, so one of the chuck that this paper is alleged part or two can be one group of interchangeable chucks, also can distinguish interchangeably with connecting rod with hinge-coupled and/or directly matched with described chute and axle journal.Also can socket etc. removable connect firmly and with screw pair or one or one group tool heads of hinge-coupled, as dashing (brill) head, blade, screw tap (bolt die), sleeve, swing arm and diel, comprise or several among pressing mold, die, (wire stripping) cutting die etc., they also can connect firmly with multi-faceted with the head of chuck, in addition, clamping insertion tool head that can also the chuck head (it is the same all to be used as handle like entire tool), and connect firmly electric heater unit etc.The center line of opening can be made of the head and/or the tool heads of chuck.

Member as herein described also can be that several parts constitute, and does not take same member as long as several parts that linked after connecting firmly can not produce relative motion when work, and described connecting firmly comprises removable connecting firmly certainly.Sometimes after the profile expansion (extend or connect firmly), a member has different functions, and except that head, other parts also need connect with connecting rod, also expand to handle etc. sometimes as chuck, and generally all parts all can be described as chuck, but handle portion also can be referred to as handle.For another example, connecting rod expands to handle etc., and the connecting rod of this moment has not been proper connecting rod, but narration the time still is called connecting rod (handle portion is also referred to as handle) from basic structural relationships for simplicity.The handle part that (comprising handgrip), staff touched when being meant tool using except that in order to holding, often needs to make and produce relative motion between the member by forcing in handle, also need impose bigger active force sometimes.So all parts of instrument all can or need be as handle, but generally to the member shape bigger expansion will be arranged, so that operation.For satisfying the demand, also connect other parts sometimes, or cooperated servicing unit, handle is carried out special design.Characteristic with hinge-coupled (can relatively rotate) and relative translation is arranged between the basic building block of the present utility model, the design of handle easily and can be varied, the most basic extends to two handles respectively with one of chuck and one of connecting rod exactly, moves as the handle of pliers.Other connecting modes between handle and the basic building block are also a lot, as socket etc. removablely connect firmly, the hinge-coupled amounting to, the interchangeable of list/bi-directional moment connect, and the connection etc. that several position is arranged between the two.A kind of handle and member are with outside the hinge-coupled, also connect firmly respectively on several position with this member again by adjustable positioning device, like this, keeping less between the handle relatively rotates angle and can make basic building block angle is bigger in relative rotation, thereby make the opening excursion bigger, perhaps under the certain situation of openings of sizes excursion, required length of connecting rod can be lacked, to reach the labour-saving purpose.By servicing unit, as the handle of cam or the formation of off-centre operation mechanism, and corresponding handle also can impose very big power on the locking system.

The utility model can also be set up servicing unit, to reach more purposes and more performance.Mainly contain:

1, locking system: on one of basic building block part or several, connect a locking system, make the unidirectional relative motion between the member can be on different positions, thereby the restriction opening continues to magnify on the position of institute's locking by locking.As screw mechanism, cam or off-centre operation mechanism, and with " locking pliers " similar locking system, by its upper member being comprised the operation of the handle of setting, all can make and produce relative motion between the basic building block, make the opening opening and closing and/or to the folded object application of force of chuck, and after external force disappeared, this mechanism can realize unidirectional self-lock, carries out operations such as switching again with retaining clip pressure or to object.

2, elastic device: elastic component is installed between the member, and elastic force can make the relative motion of two members trend make the opening opening and closing, and its effect one is opening to be magnified automatically or closure; The 2nd, make the grip of elastic force and hand keep balance, when opening is not worked, be convenient to holding of hand, and can be continuously, operate apace.

3, shear: all right one way or the other member of doing relative motion has a corresponding cutting edge respectively, as two chucks one corresponding cutting edge is arranged respectively in the opening both sides respectively, and perhaps a chuck and a connecting rod respectively have a corresponding cutting edge.Can fit and also can wrongly hand in the cutting edge rearmost position.

4, adjusting device: one and member with the regulating part (bolt etc.) of thread connection in order to regulate relative position relation between two members and spacing, with minimum dimension or the gap regulated and the restriction opening can be closed to it.It can be in order to the strength of regulating minimum shear gap, cramping and scope, the required interval of electric wire peeling, and in order to change the size of opening, also can position opening etc. with elastic device, locking system acting in conjunction.This adjusting device generally should have on the plane-parallel instrument in the opening both sides to be used.

5, electronic, pneumatic or hydraulic means: connect electronic, a pneumatic or hydraulic means on one of basic building block part or several, this device can be with transmission of power to basic building block, makes the opening opening and closing and/or to its folded object application of force.

6, electric heater unit: the head at described one or two chuck connects firmly (comprising removable a connecting firmly) electric heater unit, and is provided with every electricity (insulation), heat insulation structural, can be used for thermoprint or seals, amplexiforms etc.

In addition, need state and to carry out flexile design to the structure of member, shape etc. for some, two ends as chuck respectively constitute an opening, and the shape of opening and/or size can different (center line of opening still satisfy aforesaid requirement), thereby reach more purposes; Establishing one on a member can make it to become a formula instrument or can be used as a seat formula instrument when needed in order to put or to install bearing or other structure of (clamping); And on other member, also connect tool heads, or establish with cavity in order to the place tool head with the same manner.

This utility model constitutes opening by the head of the chuck of the relative near linear translation of all right one way or the other do, and the opening both sides remain parallel structures such as plane, can keep contacting preferably with caught object, clamping is stable, clamping force energy keeping parallelism or coincidence, caught object arbitrary position on opening all is difficult for skidding, and has the object of quality requirement to be difficult for being damaged to the surface, even the gripping performance to tabular and round shape object is all good, and it is also easier to clamp the back switching.The excursion of openings of sizes and the head length of chuck are irrelevant, only with length of connecting rod (two hinge centre-to-centre spacing) and relevant with the residing relative position of chuck.The center line of opening select with connecting rod on locational two directions that the hinge line of centres is parallel or angle is less in the centre of motion of being scheduled to, excursion in the certain situation under shed size of length of connecting rod is big, especially can obtain the rectangular aperture that the opposite side variable in distance equals or be similar to the air line distance of hinge two limit positions, this moment, the top of chuck head can remain concordant or concordant substantially (dislocation is less, and is less to use and appearance effects) again.Simultaneously, the action effect of power is good, can laborsavingly maybe can impose bigger active force to object during use.Its head dimensions still can be less, and is similar to common pliers, even also can use at narrow space, very simple, compact, easy to manufacture again on the structure, cost is low.Therefore, the utility model has the not only advanced person but also rational structure of the instrument of being applicable to.

Because have between the basic building block with connection such as hinge and relatively rotate, the characteristic of translation, except being used for different members, masterpiece all can change openings of sizes (in restricted portion, still having this function after utilizing unidirectional locking arrangement) and the handle that easily the setting operation performance is good, servicing unit also is set easily to improve performance, increase function, performance and function are ideally rolled into one, can be made into the series of tools of brand new, substitute existing tool applications in every field.Because it has multiple different structure, and can realize more function, as folder (grabbing), press (roll, connect), pull, turn round (revolve, curved), seal and shear (cutting), wire stripping, towards (brill) hole etc., by their various combination, both can be made into multiduty general utility tool, also can be made into the special good specific purpose tool of performance, it also has different types and size, the easy multiple tool heads of combination again, thus can be made into tool set, combination tool or (car) instrument at random again, to satisfy more needs.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1: the front view of an embodiment.

Fig. 2: the front view side-looking of the alternative of handle 4 among the embodiment shown in Figure 1).

Fig. 3: the front view of another embodiment (analysing and observe).

Fig. 4: the front view of the alternative of chuck connection and handle among the embodiment shown in Figure 3.

Fig. 5: the front view of another alternative that chuck connects among the embodiment shown in Figure 3.

Fig. 6～Fig. 8: the front view of other three embodiment.

In the embodiment shown in fig. 1, two chucks 1 and 12 connect with two connecting rods 4 and 9 by hinge axis 3,5 and 8,10, have constituted parallel double crank mechanism.Then can do relative translation between two chucks 1 and 12, the open centre line that their head forms and two connecting rods two hinge center line connecting directions when the position of being scheduled to, the centre of motion roughly the same (can parallel or have less angle), can obtain changing bigger opening, make two chucks 1 and 12 head keep concordant substantially again and (dislocation less and that change should be arranged according to its motion rule mark, and owing to the actual scope of application exceed with reason such as error existence perhaps dislocation also big, but in normal operating range, all can satisfy instructions for use preferably).Extend to handle with chuck 1 and connecting rod 4, make its opening and closing then do the near linear translation between the head of chuck, and can the cramping object, revolve with the also rotatable folded object of opening of moment of torsion (power).The plane of opening both sides remains and is parallel to each other, then its gripping performance is good, the performance of grabbing, press, pulling is also good, the head outside of chuck is coniform, can be used for thin plate or wire are curved round shape, also have the teeth groove of curved arrangement to be convenient to the bigger circular object of cramping in the opening both sides, another side is provided with corresponding cutting edge 2 and 11 respectively, then has again to shear and the wire stripping function.So this embodiment is good as telecommunication instrument spy.Connect one and regulate bolt 6 on handle 7, can control minimum dimension or gap that opening can be closed to, this adjusting bolt also can be connected on the connecting rod 9, except having adjustable limit function, makes the operating function of opening opening and closing in addition.Connecting also of handle and connecting rod 4 can multipoint adjustable connection, and as shown in Figure 2, handle 14 1 ends and connecting rod 4 are with hinge-coupled, and connecting rod 4 one ends have several awls mouthful grooves 17, and an active pin 16 is arranged on the handle 14, and its awl notch portion can connect with an awl mouthful groove 17.Connect a spring 15 between handle 14 and the active pin 16, active pin 16 and handle 14 are connected firmly reliably with connecting rod 4, but button 13 positions of regulating shaft pin 16 on handle on the active pin, in order to it is connected with different awl mouth groove, when then big or opening is big when rotational angle between connecting rod and chuck, can keep changing little relative position between two handles, or make length of connecting rod (two hinge centre-to-centre spacing) shorter, thereby can laborsavingly be convenient to again hold, operate in use.In these embodiments, because the required power that acts on two handles of cramping object is only relevant with handle, length of connecting rod, the residing location independent (disregarding frictional force) on chuck with chuck head length and object, so the head of chuck can and/or be provided with multiple structure, shape (comprising servicing unit and tool heads) than length, to increase function, or make series of products to reach different purposes, satisfy more demand.

In the embodiment shown in fig. 3, chuck 1 has a concentric arc chute 2 and an axle journal 8, axle journal 3 and isocentric circular arc chute 9 with another chuck 11 connects respectively, the axle journal diameter equals the chute width, and is isometric and parallel mutually between the line of centres of the chute center of circle (center of circle of guide rail) and its axle journal that is connected.This embodiment also is a parallel double crank mechanism modification and come in fact, the hinge axis that described axle journal just is equivalent to a connecting rod and connects with it, its center is equivalent to connecting rod and the hinged center of a chuck, the hinged center of connecting rod and another chuck is in the center of circle of chute, and two lines of centres are the length of connecting rod.This nominal connecting rod also becomes as shown in Figure 5 with isocentric circular arc slide rail 16 and chute 2 on the described chuck and connects, and promptly this connecting rod 15 and chuck 11 be with hinge-coupled, and connects with slide rail 16 and chute 2 on the chuck 1.Connecting between slide rail and the chute also is hinge-coupled (part that concentric circular shaft connects with circular hole) in fact.Axle journal 3 and 8 is also can be respectively 11 and 1 hinged with chuck, connect firmly, and comprises with it being connected as a single entity.This shows, the shape of connecting rod has multiple, be to have saved by varying image among this embodiment, its mode of action is still the same in fact, i.e. the characteristic of chuck translation is the same (center line of opening also needs parallel with corresponding journal centre's line with the center of circle of chute or less angle is arranged).But also can reach different performances with difform connecting rod and combination thereof, be used for different occasions.Handle 6 is the extension of chuck 11, and another handle 7 connects with hinge axis 5 with chuck 11.Eccentric arc 4 on it (also can be cam contour) contacts (some contact) with one side of chuck, then handle 7 and handle 6 are relatively rotated by the application of force, power is delivered on chuck 1 and 11, makes two chucks do relative translation, can operate the folded object of opening.This embodiment is owing to utilized off-centre operation mechanism, boosting function is arranged, can impose energetically or the labor-saving effect good, if the off-centre operation diameter is enough big with the ratio of eccentric throw, also can on arbitrary position, carry out locking to mechanism kinematic, the restriction opening continues to magnify outside institute's restricted portion, or keeps the clamping force to object.The flexure strip 10 that connects firmly on the chuck 11 can make another chuck 1 and its relative motion with certain elastic force, makes opening magnify when not having external force (external force less or) automatically.As connecting with a tangible connecting rod (isometric and parallel between the two hinge lines of centres and the chute center of circle and the corresponding journal centre's line) between the chuck, and extend thereon or connect one handle, can with handle 6 jointly in order to operation, then become another embodiment.This connecting rod also can be the interchangeable connection of list/bi-directional moment with connecting of handle, as shown in Figure 4, substituted connecting of chute 9 and axle journal 8 with two chucks with the connecting rod 12 of hinge-coupled, handle 14 can slide on connecting rod 12, handle is blocked by connecting rod when sliding into, can not relatively rotate, can bi-directional moment, after handle 14 skids off, can counterclockwise rotate around pivot pin 13 relative to connecting rod 12, two handles 6 and 14 can be adjacent to, and when mechanism kinematic during by locking, can be used as a handle and equally carry out operations such as switching.

In the embodiment shown in fig. 6, two chucks 1 and 15 connect with connecting rod 2 and 12 with hinge axis 10,11 and 13,14 respectively, constituted parallel double crank mechanism, and open centre line and two connecting rods that the chuck head forms are roughly the same at two hinge center line connecting directions of predetermined position, the centre of motion.Connecting rod 12 connects a lock piece 6 in the opposite side extension 5 of chuck 1 with screw pair, when lock piece 6 pushes up the extension 4 of connecting rod 2, mechanism's one-way movement is by locking, and opening can not continue to magnify, and then the handle 9 that extends to chuck 1 can be used as adjustable wrench and equally uses.And lock piece 6 does not screw in to opening when closed fully, mechanism's still can in institute's restricted portion, move (the adjusting opening excursion by lock piece still can increase to maximum), operate with the handle 7 of turret head socket with handle 9 and with lock piece 6 this moment, can make opening opening and closing neatly, the same with embodiment shown in Figure 1, existing more function has preferable performance again.Also can be used to lock piece 6 application of forces (increase the arm of force or away from the opening part operation), to lock energetically and to exert pressure with the hinged swing handle 8 of the mode that can amount to it on the handle 7.One is connected in the extension spring 3 (elastic device) between chuck 1 and the connecting rod 2, and its elastic force can make the relative motion of member trend, thereby opening can be magnified automatically, and then holding two handles can be continuously, operate apace.

In the embodiment shown in fig. 7, between the chuck 1 and 12 all with hinge-coupled one connecting rod 11, one arc chute 2 is arranged on the chuck 12, connect with (comprise connect firmly or with the hinge-coupled) axle journal 3 on another chuck 1, the axle journal diameter equals the chute width, the line in the center and chute 2 centers of circle, isometric and parallel with the two hinge lines of centres of connecting rod 11.The center line of opening and above-mentioned line have a low-angle in predetermined center direction.Shank being provided with is similar to the mechanism of " locking pliers ", by the relative motion (being equivalent to the motion of two binding clips in " locking pliers ") between its operation chuck 1 and connecting rod 11, thereby realizes the opening and closing of opening, caught object operated, and locked energetically.Compare with " locking pliers ", this embodiment has performance opening preferably, and is much also more advanced than " locking pliers ".It is such that its shank constitutes: two connecting rods 5 and 10 are each other with after the hinge-coupled, the other end of connecting rod 10 and connecting rod 11 are with hinge-coupled, the circular arc portion of the other end of connecting rod 5 can slide along chuck 1 (can be considered this connecting rod hinged slide block connect with moving sets) with slide rail on the chuck 1, there are a lock piece 6 and chuck 1 to connect with screw pair, the extreme position that slides in adjustable link 5 tops, on this position, continue to skid off to limit it to the tail end of chuck 1, when forcing in two handles 4 and 8 that extend with chuck 1 and connecting rod 10 when making its opening and closing, then opening opening and closing thereupon.If connecting rod 5 (is had one among a small circle just by the position of lock piece 6 fore-sets, can lock piece 6 regulate), when making three hinge line of centres being aligneds of connecting rod 5 and 10, can lock energetically caught object (has very big clamping force to reach the mechanism kinematic locking, handle 8 comes on the connecting rod 5 and can not be rotated further by the loose handle 7 hinged with it), flick handle 8 again after pressing the loose handle 7 of commentaries on classics, then opening magnifies under the effect of the spring 9 that connects with chuck 1 and connecting rod 11 automatically, can operate continuously.

In the embodiment shown in fig. 8, two pairs of guide rails between the chuck 1 and 8 be the plane that is parallel to each other chute (straight trough) 2 and 4 respectively with corresponding chuck on axle journal 5 and 7 connect in twos, the axle journal diameter equals the chute width, different with the connecting mode between the chuck among the embodiment shown in Figure 3 is that arc chute changes straight trough into, is equivalent to arc radius or nominal length of connecting rod for infinitely great.Chuck 1 and 8 two ends (head) form two openings respectively, the center line of opening vertical with guide rail (satisfying aforesaid equally) to its restriction, then do the straight line translation between the head of chuck, compare with preceding several embodiment, then will be similar to the straight line translation and become complete straight line translation (special case), two tops of chuck head can there be dislocation.Though the length that is equivalent to connecting rod is for infinitely great, owing in fact do not need directly to link with connecting rod, the action effect of power is irrelevant with it.The main lock piece 6 and 3 application of forces in the present embodiment to connect with screw pair with chuck 1 and 8, promptly the lock piece 3 and 6 that connects with screw pair by this and chuck pushes up respectively on the limit of another chuck and makes the opening closure, to the caught object application of force with to mechanism and opening locking, can only make mechanism kinematic by other member of operation in this adjustable lock piece institute restricted portion in addition, change openings of sizes, but still have the rapid pretension function.Two lock pieces can use or select a use simultaneously, generally get final product to operate near the lock piece of opening one end of working, and another lock piece also can withdraw from, takes off or not dispose.The head of two chucks is handle each other, and therefore, present embodiment becomes good double end adjustable wrench of performance and hand vice etc., and the size of two openings can difference and/or structure, shape can be different, to increase function, enlarge purposes.

On these embodiment if with two relatively one of translation or member of rotating become bearing and/or handle, establish with electronic, pneumatic or hydraulic means, install transmission of power to described another member by this, just become power-driven tool.Embodiment as shown in Figure 8 is handle and bearing with one of chuck, establishes with air pressure or hydraulic cylinder etc., changes lock piece into connect with moving sets with chuck push rod, has just become a pneumatic or hydraulic tool, can impose bigger active force.Off-centre operation (or cam) mechanism among the special for another example embodiment shown in Figure 3 changes driven by motor (can pass through speed change, the reverse drive gear again) eccentric wheel (or cam) that connects firmly with chuck 11 into and rotates, then become electric tool (hand-held or seat formula all can), can make opening continuously or be interrupted opening and closing (setting up emergency stop device) and come object is operated.

Claims (18)

1, a kind of multi-purpose tool constitutes opening by the head of two chucks, it is characterized in that, two chucks all with connecting rod more than two or two with hinge-coupled, isometric and parallel between the two hinge lines of centres on the described connecting rod; The center line of described opening and connecting rod are parallel or less angle arranged at the two hinge lines of centres of predetermined position, the centre of motion, make the head of described two chucks can do in a big way relative translation, and its top and corresponding position dislocation is less on described open centre line direction can meet the demands; One of the member that connects with described member and/or on it part or several are combined as handle.

2, multi-purpose tool according to claim 1, it is characterized in that, a pair of or several hinge-coupled being respectively connecting of the isocentric circular arc chute that can slide relatively between the two and slide rail between described connecting rod and the chuck, between the line at the center of circle of chute and slide rail and another hinge center on the respective link, perhaps isometric and parallel between the two hinge lines of centres on this line and described all the other connecting rods.

3, multi-purpose tool according to claim 2, it is characterized in that, described respectively with the isocentric circular arc chute of chuck and another chuck with the connecting rod of hinge-coupled with described another chuck on or replace with its axle journal with hinge-coupled, promptly this axle journal and described arc chute connect, its diameter equals the chute width, between the line in the center and the chute center of circle, perhaps isometric and parallel between the two hinge lines of centres on this line and described all the other connecting rods.

4, multi-purpose tool according to claim 3, it is characterized in that, chute on the described chuck is a straight trough, the chute that to be two or more constitute guide rail by two planes that are parallel to each other respectively with not same chuck on or matched with its axle journal with hinge-coupled, groove width equals the axle journal diameter, guide rail between the chute is also all parallel, and the center line of described opening is vertical with described guide rail or less angle arranged.

5, according to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that, on one of described member part or several, connect a locking system, make the unidirectional relative motion between the described member can be, thereby make opening outside institute's restricted portion, not continue to magnify by locking on different positions.

6, according to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that, connect an elastic device on one of described member part or several, elastic force makes the trend relative motion of two members and opening magnified or closed.

According to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that 7, all right one way or the other member of doing relative motion has a corresponding cutting edge respectively in the described member, can fit or wrong the friendship in the cutting edge rearmost position.

According to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that 8, screw thread is arranged on one of described member, with connection one regulating part, to regulate minimum dimension or the gap that described opening can be closed to.

According to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that 9, connect electronic, a pneumatic or hydraulic means on one of described member part or several, this device can be with transmission of power to described member.

10, according to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that, connect firmly an electric heater unit at the head of described chuck, and be provided with every electricity and/or heat insulation structural.

According to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that 11, the structure of described chuck head is one or more the combination in plane, curved surface, teeth groove, boss, recess, screw thread, unthreaded hole, decorative pattern, cutting edge, the drift.

12, according to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that, connect one or more tool heads on described member, connecting mode is that socket etc. removablely connects firmly, pegging graft with screw pair or hinge-coupled or at opening part clamps, and comprises multi-faceted connecting firmly; Described tool heads is part or several one of in drift, drill bit, blade, screw tap, bolt die, sleeve, swing arm and the diel, and described open centre line is made of the head and/or the tool heads of chuck.

According to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that 13, described two chucks all constitute a described opening at two ends, head construction, the shape difference of the size of two openings and/or opening both sides chuck.

According to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that 14, one of described chuck part or two are one group of chuck, respectively interchangeably with described connecting rod with hinge-coupled and/or directly matched with described chute and axle journal.

15, according to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that, described two relative translations or in relative rotation on one of member with hinge-coupled one cam or off-centre operation mechanism, profile is with described another member contact and can slide relatively, perhaps is separated from each other.

16, multi-purpose tool according to claim 5, it is characterized in that, on a described chuck and a connecting rod, connect a locking system, between two connecting rods of establishing in addition in this locking system with hinge-coupled, the other end again respectively with described connecting rod and a slide block with hinge-coupled; This slide block connects with moving sets with described chuck, and one can regulate the position of this slide block with the afterbody of this chuck with the lock piece that screw pair connects, and make its to the slip of this chuck afterbody outside institute's restricted portion by locking; Extend to handle with one of two connecting rods in this locking system, this handle is when this two connecting rod links line of centres being aligned, and wherein another connecting rod is abutted against mutually to make and can not continues between them to relatively rotate.

According to the described multi-purpose tool of one of claim 1 to 4, it is characterized in that 17, having one can be in order to put or bearing or other preset structure of clamping on described member.

18, according to the described multi-purpose tool of one of claim 1 to 3, it is characterized in that described open centre line is less than or equal to 10 ° with angle at the center of arc of the two hinge lines of centres of the connecting rod of predetermined position, the centre of motion and/or chute and the line of corresponding journal centre.

Images