CN109420993A - A kind of fast fixture - Google Patents

A kind of fast fixture Download PDF

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Publication number
CN109420993A
CN109420993A CN201710731783.4A CN201710731783A CN109420993A CN 109420993 A CN109420993 A CN 109420993A CN 201710731783 A CN201710731783 A CN 201710731783A CN 109420993 A CN109420993 A CN 109420993A
Authority
CN
China
Prior art keywords
screw rod
hole
sliding block
hand
movable end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710731783.4A
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Chinese (zh)
Inventor
李跃明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Great Star Tools Co Ltd
Hangzhou Great Star Industrial Co Ltd
Original Assignee
Hangzhou Great Star Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Great Star Industrial Co Ltd filed Critical Hangzhou Great Star Industrial Co Ltd
Priority to CN201710731783.4A priority Critical patent/CN109420993A/en
Publication of CN109420993A publication Critical patent/CN109420993A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/02—Clamps with sliding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • B25B5/101—C-clamps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The present invention provides a kind of fast fixture, comprising: chuck body comprising the fixing end and movable end being oppositely arranged；First clamping part is assembled to the fixing end；Second clamping part is oppositely arranged with first clamping part；First through hole, runs through the movable end, and the first through hole is oppositely arranged with first clamping part；Screw rod can be moved in the first through hole along the centerline direction of the first through hole, and one end is connected to second clamping part, to adjust second clamping part at a distance from first clamping part；And locking system, it is set to the movable end, to locking and unlocks the screw rod；When the screw rod is locked up, the screw rod is rotated using the center line of the first through hole as rotary shaft in the first through hole, and is moved along the axial direction of the first through hole；When the screw rod is unlocked, the screw rod is moved in the first through hole along the axial direction of the first through hole.

Description

A kind of fast fixture
Technical field
The present invention relates to a kind of clamping tools, particularly to a kind of fast fixture.
Background technique
Clamping tool, abbreviation fixture, including many types, G word folder are wherein relatively conventional one kind.G word folder is to use A kind of hardware tool of the G font of fixed function in clamping workpiece of various shapes, module etc..G word folder is called shrimp bow code, C Word folder, carpenters' clamp etc., use scope is extensive, easy to carry, and since its main body is usually steel-casting, therefore service life is longer.
The G word of the prior art presss from both sides, and is usually used and is threaded into formula design, can freely adjust the range to be clamped； Disadvantage is that during the adjustment of the bore of clamping opening, namely amplification and when reducing clamping opening size, do not need user manually not The distance between disconnected rotary screw, so that screw rod moves forward or back, and then adjust two clamping parts.For each revolution, screw rod Moving distance just corresponds to the width of two wire rod threads, and operation is very inconvenient, and working efficiency is low.On the other hand, with During family rotating handle is to reduce clamping opening distance, after G word clips to gripped object, since torque is limited, clamping force It is relatively small, it is difficult further to increase.
Those skilled in the art are dedicated to researching and developing a kind of novel fast clamp device, and screw rod both can be with during advance and retreat Slideably to fast move, so as to quickly adjust the width of clamping opening, working efficiency is effectively improved, and can be to rotate shape Formula slowly moves, and so as to accurately adjust the width of clamping opening, keeps existing clamp precision, user can be according to specific work Make the switching that demand realizes two kinds of operating modes.
Summary of the invention
The object of the present invention is to provide a kind of fast fixture, solved the prior art G word press from both sides existing screw rod into Move back the technical problems such as slow, working efficiency is lower, clamping force is relatively small.
In order to solve the above technical problems, the present invention provides a kind of fast fixture, including chuck body comprising opposite The fixing end and movable end of setting；First clamping part is assembled to the fixing end；Second clamping part, with first clamping part It is oppositely arranged；First through hole, runs through the movable end, and the first through hole is oppositely arranged with first clamping part；Screw rod, can It is moved in the first through hole along the centerline direction of the first through hole, described screw rod one end is connected to described second Clamping part, to adjust second clamping part at a distance from first clamping part；And locking system, it is set to the activity End to locking and unlocks the screw rod；When the screw rod is locked up, the screw rod is in the first through hole with described The center line of one through-hole is rotated for rotary shaft, and is moved along the axial direction of the first through hole；When the screw rod is unlocked, The screw rod is moved in the first through hole along the axial direction of the first through hole.
Further, in different embodiments, the locking system includes cavity, is recessed in the interior of the first through hole Side wall；First sliding block is moved or is locked up in the cavity；It is recessed that the surface of first sliding block side is equipped with first Slot is oppositely arranged with the screw rod；The inner surface of first groove is equipped with thread segment, opposite with the screw thread on the screw rod surface It answers；When first sliding block is locked up, the partial threads on the screw rod surface are snapped into the thread segment of first groove； And elastic component, one end are connected to first sliding block, the other end is connected to the side wall or bottom plate of the cavity.
Further, in different embodiments, first sliding block includes the second groove, is recessed in first sliding block Surface far from first groove side；The cavity includes cavity floor, be the cavity bottom inner wall, and with institute The second groove is stated to be oppositely arranged；Wherein, described elastic component one end is set in second groove, cavity bottom described in another end in contact Plate.
Further, in different embodiments, the angle of the axial line of the cavity floor and screw rod formation is Acute angle；And/or a part of the first sliding block lateral wall and the cavity inner sidewall is a part of tangent.
Further, in different embodiments, the locking system includes slide opening, through the side of the movable end Wall, the side wall are parallel to the axial line of the screw rod；And/or sliding slot, on the inside of the one side wall of the movable end, the side wall is flat Row is in the axial line of the screw rod；And second sliding block, on the outside of the one side wall for protruding from first sliding block, which is parallel to The axial line of the screw rod；Second sliding block is slideable to be caught in the slide opening and/or the sliding slot.The movable end packet Movable end opening is included, set on the middle part of the one side wall of the movable end；And movable end cover board, it is detachable to be assembled to the work The side wall of moved end, and cover the movable end opening；Wherein, the slide opening or the sliding slot are set on the movable end cover board.
Further, in different embodiments, the movable end includes the second through-hole, through the side of the movable end Wall, axial line of the side wall perpendicular to the screw rod；Second through-hole is connected to the cavity, and with the first sliding block phase To setting.
Further, in different embodiments, the movable end includes third through-hole, through the side of the movable end Wall, axial line of the side wall perpendicular to the screw rod；The third through-hole is connected to the cavity, and one of first sliding block Divide and extends in the third through-hole；First pin shaft, both ends are assembled to the inner sidewall of the third through-hole, first pin shaft Axial line it is vertical with the axial line antarafacial of the screw rod；And two brackets being oppositely arranged, it is set in the third through-hole, It is respectively arranged on the two sides of first sliding block.
Further, in different embodiments, the bracket is cylinder, which includes two opposite arch bottoms Face, an arcwall face side wall and a rectangle plane side wall.The movable end includes two third grooves being oppositely arranged, and is recessed in institute State the inner sidewall of third through-hole；And two fourth holes being oppositely arranged, each fourth hole run through the arc of a bracket Surface side wall and rectangle plane side wall, and be oppositely arranged with a third groove；And the 8th through-hole, through the two of first sliding block A side wall, those side walls are parallel to the axial line of the screw rod；The both ends of 8th through-hole respectively with two fourth hole phases To setting；Wherein, first pin shaft passes through the 8th through-hole, and first pin shaft one end passes through a fourth hole assembly To a third groove.
Further, in different embodiments, the fast fixture further includes control unit, and part of it is set to Outside the movable end, and it is connected to first sliding block, to first sliding block mobile in the cavity；When described When one sliding block is moved, the screw thread on the screw rod surface is detached from the thread segment of first groove.
Further, in different embodiments, the control unit includes dialling to turn round, and is set to movable end cover board or movable end The outer surface of side wall；A part of described group of torsion passes through slide opening and is connected to first sliding block, and/or, first sliding block A part passes through slide opening and is connected to described group of knob.
Further, in different embodiments, the control unit includes pressing piece, and one end is set to the movable end Outside, the other end pass through the second through-hole be connected to first sliding block.
Further, in different embodiments, the control unit includes shifting part, and one end is set to the movable end Outside, the other end pass through third through-hole be connected to first sliding block.
Further, in different embodiments, the fast fixture further includes hand-held part, is connected to the screw rod One end, the other end of the screw rod is connected to second clamping part.
Further, in different embodiments, the hand-held part is turnably connected to the screw rod；The hand-held part The angle of axial line and the screw rod axial line is variable.
Further, in different embodiments, the screw rod includes screw rod connector, is set to the screw rod far from described the One end of two clamping parts, to be connected to the hand-held part.The screw rod connector includes screw rod joint body, is a plate； Interconnecting piece, set on the described one end of screw rod joint body far from screw thread, cross section is arch or rectangle；And fifth hole, In the middle part of the interconnecting piece.
Further, in different embodiments, when the cross section of the interconnecting piece is arch, the screw rod connector packet Interconnecting piece side wall is included, is an arcwall face, which is a part of a cylindrical sides；And two or more the 4th is recessed Slot is evenly distributed in through the edge of the interconnecting piece and is recessed in the interconnecting piece side wall.It is transversal when the interconnecting piece When face is rectangle, the fast fixture includes ring washer, is sheathed on the screw rod outer surface, is set set on the screw rod The junction of threaded part and the screw rod connector.
Further, in different embodiments, the hand-held part includes hand-held part ontology, is internally provided with hand-held part chamber Body；And hand-held part connector, it is set in the cavity of hand-held part, one end extend out to the hand-held part body exterior, and is hinged to institute State screw rod connector.
Further, in different embodiments, the hand-held part connector includes hand-held part joint body；It is oppositely arranged First clamping plate and second clamping plate protrude from one end of the hand-held part joint body；And the 4th groove, it is formed in described first Between clamping plate and the second clamping plate, to be inserted into a screw rod joint body.
Further, in different embodiments, the hand-held part connector further includes the 6th through-hole, through first folder In the middle part of plate；7th through-hole is oppositely arranged in the middle part of the second clamping plate with the 6th through-hole；Second pin shaft, successively wears Cross the 6th through-hole, a fifth hole and the 7th through-hole；And/or the hand-held part connector further includes the 5th groove, It is recessed in the bottom of the 4th groove；Positioning ball snaps into any 4th groove at the notch of the 5th groove； And second elastic component, it is set in the 5th groove, one end is connected to the bottom of the 5th groove, other end connection To the positioning ball.
Further, in different embodiments, the hand-held part further includes third elastic component, is set to hand-held part cavity Interior, one end is connected to the bottom of hand-held part cavity, and the other end or in which portion are connected to the hand-held part joint body.
The beneficial effects of the present invention are provide a kind of fast fixture, screw rod both can be with during advance and retreat It slideably fast moves, so as to quickly adjust the width of clamping opening, effectively improves working efficiency, and can be with rotation formula It is slowly mobile, so as to accurately adjust the width of clamping opening, existing clamp precision is kept, user can be according to specific work Demand realizes the switching of two kinds of operating modes.Meanwhile the hand-held part of screw rod outer end relative to the screw rod be it is bent, make The available bigger fastening torque of the removable clamping part of its inner end, so as to effectively improve the clamping force of clamping opening.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1；
Fig. 2 is the decomposition texture schematic diagram of the embodiment of the present invention 1；
Fig. 3 is screw rod and the second clamping part decomposition texture schematic diagram in the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of movable end in the embodiment of the present invention 1；
Fig. 5 is the schematic diagram of the section structure of the embodiment of the present invention 1 in a latched condition；
Fig. 6 is the schematic diagram of the section structure of the embodiment of the present invention 1 in the unlocked state；
Fig. 7 is the structural schematic diagram of the first sliding block in the embodiment of the present invention 1；
Fig. 8 is that the structural schematic diagram for turning round the back side is dialled in the embodiment of the present invention 1；
Fig. 9 is to dial to turn round positive structural schematic diagram in the embodiment of the present invention 1；
Figure 10 is the schematic diagram of screw rod and hand-held portion connecting structure in the embodiment of the present invention 1；
Figure 11 is the partial structural diagram of the embodiment of the present invention 2；
Figure 12 is the partial profile structure of the embodiment of the present invention 2 in a latched condition；
Figure 13 is the structural schematic diagram of the first sliding block and pressing piece in the embodiment of the present invention 2；
Figure 14 is the structural schematic diagram of movable end cover board in the embodiment of the present invention 2；
Figure 15 is the partial schematic diagram of screw rod and hand-held portion connecting structure in the embodiment of the present invention 2；
Figure 16 is the decomposition diagram of screw rod and hand-held portion connecting structure in the embodiment of the present invention 2；
Figure 17 is the partial structural diagram of the embodiment of the present invention 3；
Figure 18 is the partial profile structure of the embodiment of the present invention 3 in a latched condition；
Figure 19 is the structural schematic diagram of the first sliding block and shifting part in the embodiment of the present invention 3；
Figure 20 is the structural schematic diagram of a pair of brackets in the embodiment of the present invention 3；
Figure 21 is the schematic diagram of the section structure of the first sliding block and bracket in the embodiment of the present invention 3.
Component mark is as follows in figure:
1 chuck body, 2 fixing ends, 3 movable ends, 4 screw rods, 5 first through hole；
6 locking systems, 7 control units, 8 hand-held parts；11 first clamping parts, 12 second clamping parts；
30 movable end top plates, 31 movable end the first side walls, 32 movable end second sidewalls, 33 movable end third side walls, 34 is living The 4th side wall of moved end, 35 second through-holes, 36 third through-holes, 37 first pin shafts, 38 brackets, 39 third grooves；
41 fixture blocks, 42 screw rod connectors；
61 cavitys, 62 first sliding blocks, 63 elastic components, 64 slide openings, 65 second sliding blocks, 66 movable end openings, 67 movable end covers Plate, 68 sliding slots, 69 linear convex blocks；
71 groups of torsions, 72 pressing pieces, 73 shifting parts；
81 hand-held part ontologies, 82 hand-held part connectors, 83 hand-held part cavitys, 84 third elastic components；
111 first clamping faces, 121 second clamping faces, 122 card slots,
381 arcuate undersides, 382 arcwall face side walls, 383 rectangle plane side walls, 384 fourth holes；
420 screw rod joint bodies, 421 interconnecting pieces, 422 fifth holes, 423 interconnecting piece side walls, 424 the 4th grooves；
611 cavity floors, 620 first grooves, 621 first sliding block the first side walls, 622 first sliding block second sidewalls, 623 One sliding block third side wall, the 4th side wall of 624 first sliding block, 625 first slide roofs, 626 first sliding block inclined-planes, 627 second is recessed Slot, 628 the 8th through-holes；651 cylinders, 652 thread grooves；
711 groups of knob mounting blocks, 712 cylindrical grooves, 713 threaded holes, 714 push inclined-plane, and 715 push rubbing surface, 716 frictions Part；721 pressing plate, 722 driving members；
820 hand-held part joint bodies, 821 first clamping plates, 822 second clamping plates, 823 the 4th grooves, 824 the 6th through-holes, 825 7th through-hole, 826 the 5th grooves, 827 positioning balls, 828 second elastic components.
Specific embodiment
Below with reference to Figure of description complete description the preferred embodiment of the present invention, keep its technology contents more clear and just In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope is not limited only in text The embodiment mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention The size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
The direction term that the present invention is previously mentioned, for example, above and below, front, rear, left and right, inside and outside, side, top, bottom, top End, bottom end, end etc. are only the directions in attached drawing, are used only to the explanation and illustration present invention, rather than are used to limit the present invention Protection scope.
When certain components are described as " " another component "upper", the component can be placed directly within another component On；There may also be an intermediate member, the component is placed on the intermediate member, and the intermediate member is placed in another component On.When a component is described as " installation to " or " being connected to " another component, the two can be understood as direct " installation " or " connection " or a component " are installed extremely " indirectly by an intermediate member or " being connected to " another component.
Embodiment 1
As shown in Fig. 1~2, the present embodiment provides a kind of fast fixtures, including chuck body 1, the first clamping part 11 And second clamping part 12.
The cross sectional shape of chuck body 1 includes but is not limited to curved shape or fold-line-shaped, preferably C font or G font.This implementation Preferably a kind of G word folder of fast fixture described in example.Chuck body 1 includes the fixing end 2 being oppositely arranged and movable end 3.
The present embodiment further includes the first clamping part 11 and the second clamping part 12, and the first clamping part 11 is assembled to fixing end 2, the Two clamping parts 12 are connected to movable end 3 by 4 packaged type of a screw rod, and the second clamping part 12 is set relatively with the first clamping part 11 It sets.
As shown in figures 2-3, the present embodiment further includes the first clamping face 111, the second clamping face 121, card slot 122 and fixture block 41。
The side of first clamping part 11 towards 12 side of the second clamping part is the first clamping face 111, the second clamping part 12 Side is equipped with the second clamping face 121, and another side surface is equipped with recessed card slot 122.Second clamping face 121 and the first clamping face 111 are oppositely arranged, and the shape of two clamping faces is identical or corresponding, and two clamping faces are preferably plane, between two clamping faces The adjustable clamping opening of bore is formed, to clamp some or certain a few gripped objects.
Fixture block 41 is spherical shape, set on one end of screw rod 4, and is caught in card slot 122.Fixture block 41 is worked in coordination with card slot 122, To which the second clamping part 12 is fixed together with screw rod 4.User can adjust the mouth of clamping opening by adjusting the position of screw rod Diameter size.
As shown in Figure 2, Figure 4 shows, movable end top plate 30 is equipped at the top of movable end 3,3 lower part of movable end is connected to chuck body 1, The cross section of movable end 3 is approximately rectangle or round rectangle.Four side walls of movable end 3 include the movable end first being oppositely arranged Side wall 31 and movable end second sidewall 32, perpendicular to the axial line of screw rod 4；Four side walls of movable end 3 further include being oppositely arranged Movable end third side wall 33 and the 4th sidewall 34 of movable end, be parallel to the axial line of screw rod 4.
As shown in figure 4, the present embodiment further includes first through hole 5 and screw rod 4.First through hole 5 runs through movable end 3, specifically It says, first through hole 5 is through movable end the first side wall 31 and movable end second sidewall 32；First through hole 5 and the first clamping part 11 First clamping face 111 is oppositely arranged.The outer surface at 4 middle part (main part) of screw rod is equipped with screw thread, can be along first through hole 5 Centerline direction is moved in first through hole 5, and one end is connected to the second clamping part 12, to adjust the second clamping part 12 with The distance of first clamping part 11；Its other end is connected to a hand-held part 8, to input torque, so that screw rod 4 is rotated.
Movable end 3 is equipped with locking system 6, to locking and unlock screw rod 4.When screw rod 4 is locked in movable end 3, silk Bar 4 is not to be completely fixed to be integrated with movable end 3, and screw rod 4 can be with the center line of first through hole 5 in first through hole 5 Rotary shaft is rotated, and is slowly moved along the axial direction of first through hole 5.When screw rod 4 is unlocked, and is detached from movable end 3, screw rod 4 can the axial direction in first through hole 5 along first through hole 5 be moved rapidly, due to movable end 3 at this time with 4 phase of screw rod from not Occur directly contact, thus screw rod 4 can axial direction (central axis direction) in first through hole 5 along first through hole 5 with the side of sliding Formula is moved rapidly.
As shown in Fig. 5~7, locking system 6 includes cavity 61, the first sliding block 62 and elastic component 63.Cavity 61 is set to activity Inside end 3, it is connected to first through hole 5, the first sliding block 62 can be moved or be locked up in cavity 61.First sliding block, 62 side Surface be equipped with the first groove 620, the first groove 620 is oppositely arranged with screw rod 4, and the inner surface of the first groove 620 is equipped with arc The thread segment of shape, it is corresponding with the screw thread on 4 surface of screw rod.First groove 620 include multiple thread segments be set side by side to be formed it is more A groove, 620 longitudinal cross-section of the first groove are arc, the shape of thread segment corresponding with the arc of 4 longitudinal cross-section lower part of screw rod It is corresponding with the shape of screw rod outer surface thread.When the first sliding block 62 is locked up, the partial threads on 4 surface of screw rod snap into In the thread segment of one groove 620, the two realizes part engagement.
As shown in fig. 6, screw rod 4 is detached from the first groove 620 after 62 stress of the first sliding block when cavity 61 slides, In first through hole 5 (in axial direction) free to slide, so that the second clamping part 12 can be leaned on rapidly to the first clamping part 11 Hold together or deviate from, and then realizes the quick adjustment of clamping opening bore.
As shown in figure 5, the partial threads on 4 surface of screw rod snap into when the first sliding block 62 is by the first 620 locking of groove In the thread segment of one groove 620, prevent screw rod 4 from sliding in the axial direction, can only be rotated radially using screw thread, thus It is slowly moved in axial direction, so that the second clamping part 12 slowly can be drawn close or deviate to the first clamping part 11, in turn Realize the accurate adjustment of clamping opening bore.
The preferred helical spring of elastic component 63, one end are connected to the first sliding block 62, and the other end is connected to the side of cavity 61 Wall or bottom plate.Elastic component 63 is to support the first sliding block 62, when the first sliding block 62 is moved by external force and is detached from screw rod 4, Elastic component 63 (helical spring) is by compressive deformation；When the first sliding block 62 loses power, elastic component 63 (helical spring) restores deformation, according to By its elastic force the first sliding block 62 is resetted, so that the first groove 620 snaps into the screw thread of 4 outer surface of screw rod a part again Place.
As shown in fig. 7, the cross section on 62 top of the first sliding block is rectangle or round rectangle, including four side walls, it is respectively The first sliding block the first side wall 621 being oppositely arranged and the first sliding block second sidewall 622, perpendicular to the axial line of screw rod 4；And it is opposite The the first sliding block third side wall 623 and the 4th side wall 624 of the first sliding block being arranged, are parallel to the axial line of screw rod 4.Wherein, first Groove 620 runs through the first sliding block the first side wall 621 and the first sliding block second sidewall 622.
In the present embodiment, the top of the first sliding block 62 is the first slide roof 625；First sliding block, 62 bottom sets that there are two the One sliding block inclined-plane 626, one of those is towards hand-held part 8, another is towards second clamping part 12.First sliding block 62 further includes Two grooves 627 are recessed in the first surface of the sliding block 62 far from 6 side of the first groove, namely the first of the second clamping part 12 of direction Sliding block inclined-plane 626.
As also shown in e.g. figs. 4-7, cavity 61 include cavity floor 611, be 61 bottom of cavity inner wall, and with the second groove 627 are oppositely arranged.(helical spring) one end of elastic component 63 is set in the second groove 627, another end in contact cavity floor 611, is used To support the first sliding block 62 to slide and assist the first sliding block 62 to reset in cavity 61.
Cavity floor 611 and be oppositely arranged towards the first sliding block inclined-plane 626 of the second clamping part 12, cavity floor 611 with The angle that the axial line of screw rod 4 is formed is acute angle.In the present embodiment, cavity floor 611 and the axial line of screw rod 4 cannot it is parallel or Vertically, to guarantee that elastic component 63 (helical spring) can be assembled between cavity floor 611 and the first sliding block 62, so that the One sliding block 62 normally can be slided and be resetted.A part of phase of a part of 62 lateral wall of the first sliding block and 61 inner sidewall of cavity It cuts, when the first sliding block 62 slides in cavity 61, a part and 61 inner sidewall of cavity of 62 lateral wall of the first sliding block occur opposite Sliding, so that the first sliding block 62 does not deviate by existing sliding trace in sliding and reseting procedure.
When screw rod 4 is locked in movable end 3, the screw thread on 4 surface of screw rod generates active force to the first sliding block 62, and transmits To the inclined-plane of 61 inner sidewall of cavity, so that the first sliding block 62 generates stiction with 61 inner sidewall the tangent of cavity.It is described quiet Frictional force and the first sliding block 62 and the coefficient of friction of 61 inner sidewall the tangent of cavity are in direct ratio, the screw thread pair with 4 surface of screw rod The amount of force of first sliding block 62 is in direct ratio, when stiction greatly to certain numerical value after, which can locking silk Bar 4.
The bullet that the screw thread on 4 surface of screw rod generates amount of force to the first sliding block 62 and elastic component 63 (helical spring) generates Power size is directly proportional, while also associated with the tilt angle of slope of thread, and the tilt angle of slope of thread is preferably 15~60 Unspecified angle value between degree.If the screw thread on 4 surface of screw rod be double thread, preferably 15~60 degree of the tilt angle of slope of thread Between unspecified angle value.First sliding block 62 and 61 inner sidewall the tangent coefficient of friction of cavity, depend on the first sliding block 62 and live The material of moved end 3.
As shown in Fig. 2, Fig. 7, locking system 6 includes one group or two groups of slide opening 64 and the second sliding block 65, specifically, The side of locking system 6 is equipped with a slide opening 64 and second sliding block 65, alternatively, the two sides of locking system 6 are respectively equipped with one A slide opening 64 and second sliding block 65.Slide opening 64 and the second sliding block 65 are to limit sliding of first sliding block 62 in cavity 61 Track makes the first sliding block 62 not deviate by existing sliding trace in sliding process and in reseting procedure.
The present embodiment preferably two slide openings 64 and two the second sliding blocks 65.Slide opening 64 is linear, through movable end 62 One side wall, the side wall are parallel to the axial line of screw rod 4, which can be the 4th side wall of movable end third side wall 33 or movable end 34.Second sliding block 65 protrudes from the outside of the one side wall of the first sliding block 62, which is parallel to the axial line of screw rod, which can be with For the first sliding block third side wall 623 or the 4th side wall 624 of the first sliding block；Second sliding block 65 is slideable to be caught in slide opening 64.When When second sliding block 6 slides in slide opening 64, the first sliding block 62 slides in cavity 61, elastic component 63 (helical spring) compressed or Person restores deformation.
Movable end 6 further includes one group or two groups of activity end openings 66 and movable end cover board 67.Movable end opening 66 is set to The middle part of the one side wall of movable end, the preferred movable end third side wall 33 of the side wall or the 4th sidewall 34 of movable end in the present embodiment. The detachable side wall (the 4th sidewall 34 of movable end third side wall 33 or movable end) for being assembled to movable end 62 of movable end cover board 67, And covering activity end opening 66, in the present embodiment, movable end cover board 67 is assembled to the side wall of movable end 62 by multiple screws.It is living The position of moved end opening 66 corresponds to the position of cavity 61, and user can remove movable end cover board 67, reveals at movable end opening 66 Multiple components inside cavity 61 out, easy to repair and replacement component.
There are two movable end cover boards 67, respectively movable end third side wall 33, the 4th sidewall 34 of movable end for the present embodiment tool A part, two slide openings 64 can run through two movable end cover boards 67, and shape, position correspond to each other.
As shown in Figure 1, the present embodiment further includes control unit 7, part of it is set to outside movable end 6, and is connected to the One sliding block 62, user can control the first sliding block 62 using control unit 7 outside movable end 6 and move in cavity 61；When When one sliding block 62 is by movement, the screw thread on 4 surface of screw rod is detached from the thread segment of the first groove 620.
As shown in Fig. 8~9, control unit 7 includes dialling to turn round 71, set on the appearance of movable end cover board 67 or movable end side wall Face dials torsion 71 across slide opening 64 and is connected to the first sliding block 62.In the present embodiment, dials for two and turn round 71 set on movable end third side wall 33 Or the outer surface of the 4th sidewall 34 of movable end, a part for dialling torsion 71 pass through the second sliding block that slide opening 64 is connected to the first sliding block 62 65, and/or, a part of the first sliding block 62 passes through slide opening and is connected to group knob 71.Second sliding block, 65 surface is equipped with a column outstanding Body 651 and a recessed thread groove 652, cylinder 651 are inserted into slide opening 64.
As shown in fig. 7, dialling the one side for turning round 71 equipped with one outstanding group of knob mounting blocks 711, it is also inserted into slide opening 64, dials knob 711 surface of mounting blocks is equipped with recessed cylindrical groove 712 and a threaded hole 713.Cylindrical groove 712 is oppositely arranged with cylinder 651, Position is corresponding, and cylinder 651 is inserted into cylindrical groove 712.Threaded hole 713 is oppositely arranged with thread groove 652, and position is opposite It answers, there is a screw (not shown) to pass through threaded hole 713 and be assembled in thread groove 652.In assembly, the first sliding block 62 and bullet first Property part 63 is successively loaded in cavity 61；Then movable end cover board 67 is assembled on the side wall of movable end 3 by multiple screws, living 64 the second sliding block of face 65 of slide opening on moved end cover board 67, cylinder 651 is inserted into slide opening 64；The knob of dialling for turning round 71 will be finally dialled to pacify Dress block 711 is also fitted with to slide opening 64, and cylinder 651 is inserted into cylindrical groove 712, sequentially passes through spiral shell with a screw (not shown) Pit 713 and thread groove 652, can will dial turn round 71 it is detachable be assembled to the first sliding block 62, dial and turn round 71 and 62 phase of the first sliding block To fixation.
It pushes inclined-plane 714 as shown in figure 9, group 71 outer surfaces of torsion are equipped with and/or pushes rubbing surface 715, promotion inclined-plane 714 is Recessed arcwall face, shape is corresponding at the finger belly of manpower, dials knob 71 with finger push convenient for user；Push rubbing surface 715 Surface has multiple bar shapeds outstanding or block-like friction member 716, to increase coefficient of friction, is dialled convenient for user with finger push Knob 71.When group torsion 71 is pushed, the running track for dialling torsion 71 is identical as the shape of slide opening 64, and the first sliding block 62 can be also driven It is slided in cavity 61, sliding trace is identical or corresponding as the track for dialling torsion 71, and user, which can pass through to push, dials knob 71 Mode control the first sliding block 62 and slided in cavity 61, after user, which decontrols, dials knob 71, under the action of elastic component 63, first Sliding block 62 can be with self-resetting.
As shown in Fig. 1~2, the present embodiment further includes hand-held part 8, is connected to one end of screw rod 4, and the other end of screw rod 4 connects It is connected to the second clamping part 12.In the present embodiment, hand-held part 8 is a rodlike handle, is turnably connected to screw rod 4；Hand-held part 8 The angle of axial line and 4 axial line of screw rod is variable.
In the present embodiment, screw rod 4 includes screw rod connector 42, is writing board shape, is set to screw rod 4 far from the second clamping part 12 one end, to be connected to hand-held part 8.
As shown in Figure 10, screw rod connector 42 includes screw rod joint body 420, interconnecting piece 421 and fifth hole 422.Silk Knock-off joint ontology 420 is writing board shape；Interconnecting piece 421 is set to the one end of screw rod joint body 420 far from screw thread, and cross section is Arch or rectangle；Fifth hole 422 is through 421 middle part of interconnecting piece.
When the cross section of interconnecting piece 421 is arch, screw rod connector 42 includes interconnecting piece side wall 423 and more than two the Four grooves 424.Interconnecting piece side wall 423 is an arcwall face, which is a part of a cylindrical sides.Two or more the 4th Groove 424 runs through the edge of interconnecting piece 421, is recessed in interconnecting piece side wall 423, and be evenly distributed on interconnecting piece side wall 423.
Hand-held part 8 includes hand-held part ontology 81 and hand-held part connector 82, is equipped with hand-held part cavity inside hand-held part ontology 81 83；Hand-held part connector 82 is set in hand-held part cavity 83, and one end is extend out to outside hand-held part ontology 81, and is hinged to screw rod and is connect First 42, the other end extends to 83 bottom of hand-held part cavity.
Hand-held part connector 82 includes hand-held part joint body 820, first clamping plate 821, second clamping plate 822 and the 4th groove 823, first clamping plate 821 is oppositely arranged with second clamping plate 822, and protrudes from one end of hand-held part joint body 820, and hand-held part connects The other end of head ontology 820 extends to 83 bottom of hand-held part cavity；4th groove 823 is formed in first clamping plate 821 and the second folder Between plate 822, to be inserted into a screw rod joint body 420.
Hand-held part connector 82 further includes the 6th through-hole 824, the 7th through-hole 825 and the second pin shaft (not shown).6th is logical Hole 824 is through 821 middle part of first clamping plate, and the 7th through-hole 825 is through 822 middle part of second clamping plate, the 7th through-hole 825 and the 6th through-hole 824 are oppositely arranged.When screw rod joint body 420 is inserted into four grooves 823, the second pin shaft (not shown) sequentially passes through the 6th Through-hole 824, fifth hole 422 and the 7th through-hole 825, so that hand-held part connector 82 and screw rod connector 42 are hinged, so that hand-held Portion 8 can relatively rotate with screw rod 4, to adjust the angle between the axial line of hand-held part 8 and the axial line of screw rod 4, from And screw rod 4 is allowed to obtain bigger input torque, so that user is more laborsaving.
As shown in figure 5, hand-held part connector 82 further includes the 5th groove 826, positions ball 827 and the second elastic component 828, the Five grooves 826 are recessed in the bottom of the 4th groove 823；It positions ball 827 to be set at the notch of the 5th groove 826, snap into any 4th groove 424；A second elastic component 828 preferably helical spring is set in the 5th groove 826, and it is recessed that one end is connected to the 5th The bottom of slot 826, the other end are connected to positioning ball 827.Under the effect of the second elastic component 828, positioning ball 827 can be snapped into In any 4th groove 424.When user is in rotating hand portion 8 in the plane, the institute of screw rod joint body 420 so that hand-held part 8 with When screw rod 4 relatively rotates, positioning 827 surface stress of ball is press-fit into the 5th groove 826, while the second elastic component 828 It is further compressed, since interconnecting piece side wall 423 is an arcwall face, positioning ball 827 is sliding along the arcwall face of interconnecting piece side wall 423 It is dynamic.When positioning ball 827 slides into another the 4th groove 424, under the effect of the second elastic component 828, positioning ball 827 is caught in To the 4th groove 424, so that hand-held part 8 keeps relatively fixed with screw rod 4, it is opposite with screw rod 4 to change hand-held part 8 Angle.
In the present embodiment, the cross section of interconnecting piece side wall 423 is semicircle, the present embodiment preferably three the 4th grooves 424, It is evenly distributed in interconnecting piece side wall 423, the angle of hand-held part 8 and screw rod 4 can be adjusted to 0 degree and 90 degree, specifically, hand Holding portion 8 can be 90 degree clockwise or counterclockwise relative to screw rod 4, and hand-held part 8 and the position of screw rod 4 is made to keep opposite It is fixed, so that the angle of the two maintains 90 degree.When the angle of hand-held part 8 and screw rod 4 is 90 degree, user uses same Power, can input maximum torque, and other angles effect is relatively poor.
When positioning ball 827 and being located at any four groove 424, the second elastic component 828 will positioning ball 827 to snap into the 4th recessed 424 bottom of slot, so that hand-held part 8 at this time keeps relatively fixed with screw rod 4.When the angle of hand-held part 8 and screw rod 4 is 90 degree When, user can provide torque with rotating hand portion 8 for screw rod 4, direction of rotation and hand-held part joint body due to hand-held part 8 820 not in the same plane, therefore the rotation of hand-held part 8 will not influence the relative angle of hand-held part 8 Yu screw rod 4.
As shown in Fig. 1~2, Fig. 5~6, fast fixture described in the present embodiment is in clamping process, firstly, user uses Finger push, which is dialled, turns round 71, so that the first sliding block 62 is separated with screw rod 4, the first groove 620 is detached from the screw thread of 4 outer surface of screw rod, from And screw rod 4 is made to be able to the quick sliding in first through hole 5, so that clamping opening size is slightly larger than the size of gripped object；Then, it uses Knob 71, the first sliding block 62 locking screw rod 4 again under the action of elastic component 63, so that the part spiral shell on 4 surface of screw rod are dialled in family release Line is caught in the first groove 620, forms part engagement；Finally, the angle between adjustment hand-held part 8 and screw rod 4, so that hand-held part 8 is substantially vertical with screw rod 4, and rotating hand portion 8 (as counterclockwise) so that clamping opening size further decreases, clamps to two After face is all contacted with gripped object surface, hand-held part 8 is further rotated, until it cannot have an effect, so that gripped object is complete It is clamped by two clamping faces, bigger clamping force can be obtained.At this point, if it is necessary, hand-held part 8 and screw rod can be readjusted Between angle so that hand-held part 8 and screw rod 4 are substantially point-blank.
Fast fixture described in the present embodiment is in releasing clamping process, with above-mentioned steps on the contrary, firstly, adjustment is hand-held Angle between portion 8 and screw rod 4 reversely rotates hand-held part 8 (such as side clockwise so that hand-held part 8 is substantially vertical with screw rod 4 To), so that clamping opening size is gradually amplified, decontrol gripped object；Then, dialled with finger push and turn round 71 so that the first sliding block 62 with Screw rod 4 separates, and the first groove 620 is detached from the screw thread of 4 outer surface of screw rod, so that screw rod 4 is able in first through hole 5 quickly Sliding, so that clamping opening size quickly becomes larger, can be used for continuing clamping other articles.
In another variant embodiment of the present embodiment, hand-held part connector 82 is fixedly attached to screw rod connector 42, if Lower to clamping force request when gripped object volume and smaller quality, hand-held part 8 can be located along the same line with screw rod 4, Hand-held part 8 and the design of screw rod 4 can be integrally formed structures.Alternatively, fold-line-shaped or curved shape are set by hand-held part 8, Such as round handwheel or L shape handle, make user more laborsaving to increase the input torque that screw rod obtains.
The beneficial effect of the present embodiment is, provides a kind of fast fixture, is released in the way of pushing and dialling torsion to silk The locking of bar restores the locking to screw rod using elastic component, and screw rod both can quickly move during advance and retreat with slideably It is dynamic, so as to quickly adjust the width of clamping opening, working efficiency is effectively improved, and can slowly move with rotation formula, thus The width that clamping opening can accurately be adjusted, keeps existing clamp precision, and user can fast implement according to specific work requirements The switching of two kinds of operating modes.Meanwhile the hand-held part of screw rod outer end relative to the screw rod be it is bent, make its inner end The removable available bigger fastening torque of clamping part, so as to effectively improve the clamping force of clamping opening.
Embodiment 2
The technical characteristic of embodiment 2 is largely same as Example 1, and distinguishing feature is only that locking system 6 The structure of structure, the structure of screw rod connector 42 and hand-held part 8.
As shown in Figure 11~12, in embodiment 2, locking system 6 includes cavity 61, the first sliding block 62 and elastic component 63, Structure is same as Example 1, and this will not be repeated here.
As shown in Figure 13~14, locking system 6 further includes one group or two groups of sliding slot 68 and the second sliding block 65, specifically It says, the side of locking system 6 is equipped with a sliding slot 68 and second sliding block 65, alternatively, the two sides of locking system 6 are respectively equipped with One sliding slot 68 and second sliding block 65.Sliding slot 68 and the second sliding block 65 are to limit cunning of first sliding block 62 in cavity 61 Dynamic rail mark makes the first sliding block 62 not deviate by existing sliding trace in sliding process and in reseting procedure, and the present embodiment is excellent Select two sliding slots 68 and two the second sliding blocks 65.
Sliding slot 68 is set on the inside of the one side wall of movable end 62, which is parallel to the axial line of screw rod 4, which can be The 4th sidewall 34 of movable end third side wall 33 or movable end.Each sliding slot 68 is formed between two parallel linear convex blocks 69 Linear sliding slot, linear convex block 69 protrudes from one side wall (movable end third side wall 33 or the movable end the 4th of movable end 62 Sidewall 34) inside.
Second sliding block 65 is first sliding block of linear, protrudes from the one side wall outside of the first sliding block 62, and the side wall is parallel In the axial line of screw rod 4, which can be the first sliding block third side wall 623 or the 4th side wall 624 of the first sliding block；Second sliding block 65 slideable are caught in sliding slot 68.
Movable end 6 further includes one group of activity end opening 66 and movable end cover board 67.Movable end opening 66 is set to movable end One side wall middle part, the preferred movable end third side wall 33 of the side wall in the present embodiment.The detachable assembly of movable end cover board 67 To the side wall (movable end third side wall 33) of movable end 62, and covering activity end opening 66, in the present embodiment, movable end cover board 67 The side wall of movable end 3 is assembled to by multiple screws.The position of movable end opening 66 corresponds to the position of cavity 61, and user can incite somebody to action Movable end cover board 67 removes, and movable end opening 66 can expose multiple components inside cavity 61, easy to repair and replacement component.
As shown in figure 14, the present embodiment only has a movable end cover board 67, and is one of the 4th sidewall 34 of movable end Point, therefore there is a sliding slot 68 and two linear convex blocks 69 to be set on movable end cover board 67, another sliding slot 68 and two it is straight Linear convex block 69 is set on movable end third side wall 33, and the shape of two sliding slots 68, position correspond to each other.
Movable end 3 includes the second through-hole 35, through the one side wall of movable end 3, the side wall perpendicular to screw rod 4 axial line, The side wall is movable end the first side wall 31；Second through-hole 35 is connected to cavity 61, and is oppositely arranged with the first sliding block 62.
Control unit 7 includes pressing piece 72, and 72 shape of pressing piece is horizontal L shape, and one end is set to the outer of movable end 3 Portion, the other end pass through the second through-hole 35 and are connected to the first sliding block 62.Pressing piece 72 includes the pressing plate 721 being wholely set and passes Moving part 722, pressing plate 721 are located at the outside of movable end 3, and driving member 722 is connected to the first sliding block the first side wall 621, driving member 722 direction and the direction of sliding slot 68 are almost the same.
As shown in Figure 11~13, when 721 stress of pressing plate, pressing piece 72 push the first sliding block 62 in cavity 61 along 68 direction of sliding slot is mobile, and screw rod 4 is detached from the first groove 620, free to slide in the axial direction of first through hole 5 in first through hole 5, So that the second clamping part 12 rapidly can be drawn close or deviate to the first clamping part 11, and then realize the quick of clamping opening bore Adjustment.
When pressing plate 721 loses power, the first sliding block 62 is under the effect of elastic component 63 by 620 locking of the first groove, 4 table of screw rod The partial threads in face snap into the first groove 620, prevent screw rod 4 is from that can only utilize spiral shell in 5 axis upward sliding of first through hole Line is radially rotated in first through hole 5, to slowly move in 5 axial direction of first through hole, so that the second clamping part 12 Slowly it can draw close or deviate to the first clamping part 11, and then realize the accurate adjustment of clamping opening bore.
As shown in Figure 15~16, in the present embodiment, screw rod 4 includes screw rod connector 42, and screw rod connector 42 connects including screw rod Head ontology 420, interconnecting piece 421 and fifth hole 422, structure is same as Example 1, and this will not be repeated here.
When the cross section of interconnecting piece 421 is rectangle, fast fixture described in the present embodiment includes ring washer 43, set Set on 4 outer surface of screw rod, the part and the junction of screw rod connector 42 of screw thread are arranged at set on screw rod 4.Ring washer 43 is used To limit the rotation space of hand-held part 8, guarantee hand-held part 8 and 4 angle of screw rod are 90 degree as far as possible.
Hand-held part 8 includes hand-held part ontology 81 and hand-held part connector 82, is equipped with hand-held part cavity inside hand-held part ontology 81 83.Hand-held part connector 82 is set in hand-held part cavity 83, and one end is extend out to outside hand-held part ontology 81, and is hinged to screw rod and is connect First 42, the other end extends to 83 middle part of hand-held part cavity namely one end of hand-held part joint body 820 and extends to hand-held part chamber 83 middle part of body.Hand-held part connector 82 is recessed including hand-held part joint body 820, first clamping plate 821, second clamping plate 822 and the 4th Slot 823 further includes the 6th through-hole 824, the 7th through-hole 825 and the second pin shaft (not shown), and structure is same as Example 1, Referring to Figure 10, this will not be repeated here.
Hand-held part 8 further includes third elastic component 84, is set in hand-held part cavity 83, one end is connected to hand-held part cavity 83 Bottom, the other end or in which portion are connected to hand-held part joint body 820.When hand-held part 8 and screw rod 4 on the same line When, under the action of third elastic component 84, the interconnecting piece 421 and hand-held part connector 82 of screw rod 4 are all drawn into hand-held part cavity In 83, so that the angle of hand-held part 8 and screw rod 4 may remain in 0 degree, fast fixture entirety occupied space is reduced, It is easy to carry.
Since hand-held part 8 and screw rod 4 are hinged, theoretically, the angle of hand-held part 8 and screw rod 4 can be adjusted from 0 degree It is whole to arrive positive and negative 180 degree.User overcomes the elastic force of third elastic component 84 to draw the interconnecting piece 421 of screw rod 4 out of hand-held part cavity 83 Out, and by hand-held part 8 clockwise or counterclockwise, so that the angle of hand-held part 8 and screw rod 4 is adjusted to 90 degree, at this point, hand-held 8 outer rim of portion will touch ring washer 43, to limit the position of hand-held part 8, prevent hand-held part 8 from further rotating, so that Hand-held part 8 and 4 angle of screw rod are maintained at 90 degree or so.When the angle of hand-held part 8 and screw rod 4 is 90 degree, hand-held part 8 is had an effect place Maximum torque can be inputted, effect phase when angle is other angles with maximum, the same strength of user at a distance from screw rod 4 To poor.When the angle of hand-held part 8 and screw rod 4 is 90 degree, user can provide torque with rotating hand portion 8 for screw rod 4, by Not in the same plane in the direction of rotation of hand-held part 8 and hand-held part joint body 820, therefore the rotation of hand-held part 8 can't Influence the relative angle of hand-held part 8 and screw rod 4.
The other technical characteristics of the present embodiment are identical with embodiment 1, and this will not be repeated here.It is worth noting that, this In embodiment, the structure of hand-held part 8 and the structure of screw rod interconnecting piece 421 can also be complete with the corresponding construction in embodiment 1 It is identical.
As shown in figure 12, fast fixture described in the present embodiment is in clamping process, firstly, user is pressed with finger push Casting die 72, so that the first sliding block 62 is separated with screw rod 4, the first groove 620 is detached from the screw thread of 4 outer surface of screw rod, so that silk Bar 4 is able to the quick sliding in first through hole 5, so that clamping opening size is slightly larger than the size of gripped object；Then, user's release is pressed Casting die 72, the first sliding block 62 locking screw rod 4 again under the action of elastic component 63, so that the partial threads on 4 surface of screw rod are caught in To the first groove 620, part engagement is formed；Finally, the angle between adjustment hand-held part 8 and screw rod 4, so that hand-held part 8 and silk Bar 4 is substantially vertical, rotating hand portion 8 (as counterclockwise) so that clamping opening size further decreases, to two clamping faces all with After the contact of gripped object surface, hand-held part 8 is further rotated, until it cannot have an effect, so that gripped object is completely by two Clamping face is clamped, and bigger clamping force can be obtained.At this point, if it is necessary, can readjust between hand-held part 8 and screw rod 4 Angle so that the interconnecting piece 421 of screw rod 4 and hand-held part connector 82 under the action of third elastic component 84, are all drawn into hand It holds in portion's cavity 83, ring washer 43 can limit screwed part on screw rod 4 and enter hand-held part cavity 83.
Fast fixture described in the present embodiment is in releasing clamping process, with above-mentioned steps on the contrary, firstly, adjustment is hand-held Angle between portion 8 and screw rod 4 reversely rotates hand-held part 8 (such as side clockwise so that hand-held part 8 is substantially vertical with screw rod 4 To), so that clamping opening size is gradually amplified, decontrol gripped object；Then, with finger push pressing piece 72, so that the first sliding block 62 It is separated with screw rod 4, the first groove 620 is detached from the screw thread of 4 outer surface of screw rod, so that screw rod 4 is able in first through hole 5 fastly Ski-running is dynamic, so that clamping opening size quickly becomes larger, can be used for continuing clamping other articles.
The beneficial effect of the present embodiment is, provides a kind of fast fixture, is released in the way of pressing to screw rod Locking is restored using elastic component to the locking of screw rod, screw rod during advance and retreat both can slideably to fast move, from And the width of clamping opening can be quickly adjusted, working efficiency is effectively improved, and can slowly move with rotation formula, so as to essence The really width of adjustment clamping opening, keeps existing clamp precision, user can fast implement two kinds of works according to specific work requirements The switching of operation mode.Meanwhile the hand-held part of screw rod outer end relative to the screw rod be it is bent, make the removable of its inner end The available bigger fastening torque of clamping part, so as to effectively improve the clamping force of clamping opening.
Embodiment 3
The technical characteristic of embodiment 3 is largely same as Example 2, and distinguishing feature is only that locking system 6 Structure, specific distinguishing characteristics are as follows.
As shown in Figure 17~18, in embodiment 3, locking system 6 includes cavity 61, the first sliding block 62 and elastic component 63, is gone back Including one group of activity end opening 66 and movable end cover board 67, structure is same as Example 2, but not include slide opening 64, Sliding slot 68 and the second sliding block 65.
As shown in Figure 18~19, cavity 61 is set to inside movable end 3, is connected to first through hole 5, it is logical that screw rod 4 passes through first Hole 5, the first sliding block 62 can be rotated or be locked up in cavity 61.The surface of first sliding block, 62 side is equipped with the first groove 620, it is oppositely arranged with screw rod 4, the first groove 620 is that the multiple grooves to be formed, the shape of thread segment is set side by side in multiple thread segments Shape is corresponding with the shape of screw rod outer surface thread, and the two realizes part engagement.After the first 62 stress of sliding block in cavity 61 When rotating, screw rod 4 is detached from the first groove 620, (in axial direction) free to slide in first through hole 5, so that the second folder Holding portion 12 rapidly can draw close or deviate to the first clamping part 11, and then realize the quick adjustment of clamping opening bore.When the first cunning When block 62 is by the first 620 locking of groove, the partial threads on 4 surface of screw rod are snapped into the first groove 620, prevent screw rod 4 from In the axis upward sliding of first through hole 5, screw thread can only be utilized in the radially rotation of first through hole 5, thus in the axial direction slowly Ground is mobile, so that the second clamping part 12 slowly can be drawn close or deviate to the first clamping part 11, and then realizes clamping opening mouth The accurate adjustment of diameter.
As shown in figure 19, in the present embodiment, the cross section on 62 top of the first sliding block is rectangle or round rectangle, including four Side wall is the first sliding block the first side wall 621 being oppositely arranged and the first sliding block second sidewall 622 respectively, perpendicular to the axis of screw rod 4 Heart line；And the first sliding block third side wall 623 and the 4th side wall 624 of the first sliding block being oppositely arranged, it is parallel to the axle center of screw rod 4 Line.Wherein, the first groove 620 runs through the first sliding block the first side wall 621 and the first sliding block second sidewall 622.
The top of first sliding block 62 is the first slide roof 625, is equipped with the first groove 620；The bottom of first sliding block 62 is First sliding block inclined-plane 626 is away from each other with the first slide roof 625.First sliding block 62 further includes the second groove 627, is recessed in Surface namely first sliding block inclined-plane 626 surface of one sliding block 62 far from 620 side of the first groove.
As shown in figure 18, cavity 61 include cavity floor 611, be 61 bottom of cavity inner wall, and with the second groove 627 It is oppositely arranged.(helical spring) one end of elastic component 63 is set in the second groove 627, another end in contact cavity floor 611, to prop up It supports the first sliding block 62 to slide in cavity 61, the first sliding block 62 is allowed normally to be rotated and reset.
As shown in figure 18, movable end 3 includes third through-hole 36 and the first pin shaft 37.Third through-hole 36 runs through movable end 3 One side wall, the side wall is perpendicular to the axial line of screw rod 4, preferably the first sliding block the first side wall 621；Third through-hole 36 is connected to sky A part of chamber 61, the first sliding block 62 extends in third through-hole 36.First pin shaft, 37 both ends are assembled to the interior of third through-hole 36 Side wall, the axial line of the first pin shaft 37 and the axial line antarafacial of screw rod 4 are vertical.
As shown in Figure 19~20, movable end 3 includes two brackets 38 being oppositely arranged, and is set in third through-hole 36, respectively Set on the two sides of the first sliding block 62.Bracket 38 is cylinder, which includes two opposite arcuate undersides 381, an arc surface side Wall 382 and a rectangle plane side wall 383.
As shown in figure 21, movable end 3 includes two third grooves 39 being oppositely arranged, and is recessed in the inside of third through-hole 36 Wall.Movable end 3 further includes two fourth holes being oppositely arranged 384, and each fourth hole 384 runs through the arc of a bracket 38 Surface side wall 382 and rectangle plane side wall 383, and be oppositely arranged with a third groove 39.Movable end 3 further includes the 8th through-hole 628, Through the two side walls of the first sliding block 62, those side walls are parallel to the axial line of screw rod 4, respectively the first sliding block third side wall 623 and the 4th side wall 624 of the first sliding block；The both ends of 8th through-hole 628 are oppositely arranged with two fourth holes 384 respectively.First Pass through the 8th through-hole 628 in the middle part of pin shaft 37, the both ends of the first pin shaft 37 are each passed through a fourth hole 384 and are assembled to one the Three grooves 39, the first sliding block 62 can rotate in a certain range around the first pin shaft 37.
As shown in Figure 17~18, control unit 7 include shifting part 73, one end be set to movable end 3 outside, can by On stir；Its other end passes through the side wall that third through-hole 36 is connected to the first sliding block 62, which is the first sliding block second sidewall 622.Shifting part 73 is combined with the first sliding block 62 forms the overall structure that can be rotated around the first pin shaft 37.
When one end that shifting part 73 is set to outside movable end 3 is dialed up, it is based on lever principle, 62 meeting of the first sliding block The deflection of certain angle occurs downwards, screw rod 4 is detached from the first groove 620, and it is (in axial direction) free to slide in first through hole 5, from And the second clamping part 12 is allowed rapidly to draw close or deviate to the first clamping part 11, and then realize the fast velocity modulation of clamping opening bore It is whole.
When power is lost in one end that shifting part 73 is set to outside movable end 3, the first sliding block 62 is in the case where elastic component 63 is acted on by the One groove, 620 locking, the partial threads on 4 surface of screw rod snap into the first groove 620, prevent screw rod 4 from sliding in the axial direction It is dynamic, it can only be rotated radially using screw thread, to slowly move in the axial direction, so that the second clamping part 12 can delay It slowly draws close or deviates to the first clamping part 11, and then realize the accurate adjustment of clamping opening bore.
The structure of the hand-held part 8 of the present embodiment and the structure of screw rod interconnecting piece 421 and the corresponding construction phase in embodiment 2 Together, this will not be repeated here.It is worth noting that, in the present embodiment, the structure of hand-held part 8 and the structure of screw rod interconnecting piece 421 It can be identical with the corresponding construction in embodiment 1.
As shown in Figure 17~18, fast fixture described in the present embodiment is in clamping process, firstly, user is dialled with finger Dynamic or pressing shifting part 73, so that the first sliding block 62 is separated with screw rod 4, the first groove 620 is detached from the screw thread of 4 outer surface of screw rod, So that screw rod 4 is able to the quick sliding in first through hole 5, so that clamping opening size is slightly larger than the size of gripped object；Then, User discharges shifting part 73, the first sliding block 62 locking screw rod 4 again under the action of elastic component 63, so that the portion on 4 surface of screw rod Divide screw thread to be caught in the first groove 620, forms part engagement；Finally, the angle between adjustment hand-held part 8 and screw rod 4, makes to go smoothly It is substantially vertical with screw rod 4 to hold portion 8, rotating hand portion 8 (as counterclockwise), so that clamping opening size further decreases, to two After clamping face is all contacted with gripped object surface, hand-held part 8 is further rotated, until it cannot have an effect, so that gripped object It is clamped completely by two clamping faces, bigger clamping force can be obtained.At this point, if it is necessary, can readjust hand-held part 8 with Angle between screw rod 4 so that the interconnecting piece 421 of screw rod 4 and hand-held part connector 82 be under the action of third elastic component 84, all by It pulls in hand-held part cavity 83.
Fast fixture described in the present embodiment is in releasing clamping process, with above-mentioned steps on the contrary, firstly, adjustment is hand-held Angle between portion 8 and screw rod 4 reversely rotates hand-held part 8 (such as side clockwise so that hand-held part 8 is substantially vertical with screw rod 4 To), so that clamping opening size is gradually amplified, decontrol gripped object；Then, shifting part 73 is stirred or pressed with finger, so that first Sliding block 62 is separated with screw rod 4, and the first groove 620 is detached from the screw thread of 4 outer surface of screw rod, so that screw rod 4 is able to lead to first Quick sliding in hole 5 can be used for continuing clamping other articles so that clamping opening size quickly becomes larger.
The beneficial effect of the present embodiment is, provides a kind of fast fixture, is released in the way of stirring and is locked to screw rod Only, using elastic component realize to screw rod locking, make its screw rod during advance and retreat both can slideably to fast move, thus The width that clamping opening can quickly be adjusted is effectively improved working efficiency, and can slowly be moved with rotation formula, so as to accurate The width for adjusting clamping opening, keeps existing clamp precision, user can fast implement two kinds of work according to specific work requirements The switching of mode.Meanwhile the hand-held part of screw rod outer end relative to the screw rod be it is bent, make the removable folder of its inner end The available bigger fastening torque in portion is held, so as to effectively improve the clamping force of clamping opening.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be within the scope of protection determined by the claims.

Claims (20)

1. a kind of fast fixture characterized by comprising
Chuck body comprising the fixing end and movable end being oppositely arranged；
First clamping part is assembled to the fixing end；
Second clamping part is oppositely arranged with first clamping part；
First through hole, runs through the movable end, and the first through hole is oppositely arranged with first clamping part；
Screw rod can be moved in the first through hole along the centerline direction of the first through hole, and described screw rod one end connects It is connected to second clamping part, to adjust second clamping part at a distance from first clamping part；And
Locking system is set to the movable end, to locking and unlocks the screw rod；
When the screw rod is locked up, the screw rod is in the first through hole using the center line of the first through hole as rotary shaft It is rotated, and is moved along the axial direction of the first through hole；
When the screw rod is unlocked, the screw rod is moved in the first through hole along the axial direction of the first through hole.
2. fast fixture as described in claim 1, which is characterized in that the locking system includes
Cavity is set to inside the movable end, is connected to the first through hole；
First sliding block is moved or is locked up in the cavity；The surface of first sliding block side is equipped with the first groove, It is oppositely arranged with the screw rod；The inner surface of first groove is equipped with thread segment, corresponding with the screw thread on the screw rod surface； When first sliding block is locked up, the partial threads on the screw rod surface are snapped into the thread segment of first groove；With And
Elastic component, one end are connected to first sliding block, and the other end is connected to the side wall or bottom plate of the cavity.
3. fast fixture as claimed in claim 2, which is characterized in that
First sliding block includes
Second groove is recessed in the surface of first sliding block far from first groove side；
The cavity includes
Cavity floor, is the inner wall of the cavity bottom, and is oppositely arranged with second groove；
Wherein, described elastic component one end is set in second groove, cavity floor described in another end in contact.
4. fast fixture as claimed in claim 3, which is characterized in that
The angle that the axial line of the cavity floor and the screw rod is formed is acute angle；And/or
A part of the first sliding block lateral wall is a part of tangent with the cavity inner sidewall.
5. fast fixture as claimed in claim 2, which is characterized in that
The locking system includes
Slide opening, through the one side wall of the movable end, which is parallel to the axial line of the screw rod；And/or
Sliding slot, on the inside of the one side wall of the movable end, which is parallel to the axial line of the screw rod；And
Second sliding block, protrudes from the one side wall outside of first sliding block, which is parallel to the axial line of the screw rod；It is described Second sliding block is slideable to be caught in the slide opening and/or the sliding slot；
The movable end includes
Movable end opening, set on the middle part of the one side wall of the movable end；And
Movable end cover board, the detachable side wall for being assembled to the movable end, and cover the movable end opening；
Wherein, the slide opening or the sliding slot are set on the movable end cover board.
6. fast fixture as claimed in claim 2, which is characterized in that the movable end includes
Second through-hole, through the one side wall of the movable end, axial line of the side wall perpendicular to the screw rod；
Second through-hole is connected to the cavity, and is oppositely arranged with first sliding block.
7. fast fixture as claimed in claim 2, which is characterized in that the movable end includes
Third through-hole, through the one side wall of the movable end, axial line of the side wall perpendicular to the screw rod；
The third through-hole is connected to the cavity, and a part of first sliding block extends in the third through-hole；
First pin shaft, both ends are assembled to the inner sidewall of the third through-hole, the axial line and the screw rod of first pin shaft Axial line antarafacial it is vertical；And
Two brackets being oppositely arranged are set in the third through-hole, are respectively arranged on the two sides of first sliding block.
8. fast fixture as claimed in claim 7, which is characterized in that
The bracket is cylinder, which includes two opposite arcuate undersides, an arcwall face side wall and a rectangle plane side wall；
The movable end includes
Two third grooves being oppositely arranged, are recessed in the inner sidewall of the third through-hole；And
Two fourth holes being oppositely arranged, each fourth hole run through the arcwall face side wall and rectangle plane side of a bracket Wall, and be oppositely arranged with a third groove；And
8th through-hole, through the two side walls of first sliding block, those side walls are parallel to the axial line of the screw rod；Described The both ends of eight through-holes are oppositely arranged with two fourth holes respectively；
Wherein, first pin shaft passes through the 8th through-hole, and the first pin shaft either end passes through a fourth hole assembly To a third groove.
9. fast fixture as claimed in claim 2, which is characterized in that further include
Control unit, part of it is set to outside the movable end, and is connected to first sliding block, in the cavity Mobile first sliding block；When first sliding block is moved, the screw thread on the screw rod surface is detached from first groove Thread segment.
10. fast fixture as claimed in claim 9, which is characterized in that the control unit includes dialling to turn round, and is set to activity The outer surface of end casing or movable end side wall；A part of described group of torsion passes through slide opening and is connected to first sliding block, and/or, A part of first sliding block passes through slide opening and is connected to described group of knob.
11. fast fixture as claimed in claim 9, which is characterized in that the control unit includes pressing piece, one end Set on the outside of the movable end, the other end passes through the second through-hole and is connected to first sliding block.
12. fast fixture as claimed in claim 9, which is characterized in that the control unit includes shifting part, one end Set on the outside of the movable end, the other end passes through third through-hole and is connected to first sliding block.
13. fast fixture as described in claim 1, which is characterized in that further include
Hand-held part, is connected to one end of the screw rod, and the other end of the screw rod is connected to second clamping part.
14. fast fixture as claimed in claim 13, which is characterized in that
The hand-held part is turnably connected to the screw rod；
The angle of the hand-held part axial line and the screw rod axial line is variable.
15. fast fixture as claimed in claim 13, which is characterized in that the screw rod includes
Screw rod connector, one end set on the screw rod far from second clamping part, to be connected to the hand-held part；The silk Knock-off joint includes
Screw rod joint body is a plate；
Interconnecting piece, set on the described one end of screw rod joint body far from screw thread, cross section is arch or rectangle；And
Fifth hole, in the middle part of the interconnecting piece.
16. fast fixture as claimed in claim 15, which is characterized in that
When the cross section of the interconnecting piece is arch, the screw rod connector includes
Interconnecting piece side wall, is an arcwall face, which is a part of a cylindrical sides；And
More than two 4th grooves are evenly distributed in through the edge of the interconnecting piece and are recessed in the interconnecting piece side wall；
When the cross section of the interconnecting piece is rectangle, the fast fixture includes
Ring washer is sheathed on the screw rod outer surface, sets threaded part and the screw rod connector set on the screw rod Junction.
17. fast fixture as claimed in claim 13, which is characterized in that the hand-held part includes
Hand-held part ontology is internally provided with hand-held part cavity；And
Hand-held part connector is set in the hand-held part cavity, and one end extend out to the hand-held part body exterior, and is hinged to institute State screw rod connector.
18. fast fixture as claimed in claim 17, which is characterized in that
The hand-held part connector includes
Hand-held part joint body；
The first clamping plate and second clamping plate being oppositely arranged protrude from one end of the hand-held part joint body；And
4th groove is formed between the first clamping plate and the second clamping plate, to be inserted into a screw rod joint body.
19. fast fixture as claimed in claim 18, which is characterized in that
The hand-held part connector further includes
6th through-hole, in the middle part of the first clamping plate；
7th through-hole is oppositely arranged in the middle part of the second clamping plate with the 6th through-hole；And
Second pin shaft sequentially passes through the 6th through-hole, a fifth hole and the 7th through-hole；And/or
The hand-held part connector further includes
5th groove is recessed in the bottom of the 4th groove；
Positioning ball snaps into any 4th groove at the notch of the 5th groove；And
Second elastic component is set in the 5th groove, and one end is connected to the bottom of the 5th groove, other end connection To the positioning ball.
20. fast fixture as claimed in claim 18, which is characterized in that the hand-held part further includes third elastic component, In the hand-held part cavity, one end is connected to the bottom of the hand-held part cavity, and the other end or in which portion are connected to The hand-held part joint body.
CN201710731783.4A 2017-08-23 2017-08-23 A kind of fast fixture Pending CN109420993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710731783.4A CN109420993A (en) 2017-08-23 2017-08-23 A kind of fast fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710731783.4A CN109420993A (en) 2017-08-23 2017-08-23 A kind of fast fixture

Publications (1)

Publication Number Publication Date
CN109420993A true CN109420993A (en) 2019-03-05

Family

ID=65499399

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710731783.4A Pending CN109420993A (en) 2017-08-23 2017-08-23 A kind of fast fixture

Country Status (1)

Country Link
CN (1) CN109420993A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112787457A (en) * 2019-11-11 2021-05-11 中国石油天然气股份有限公司 Fine tuning device
CN114274082A (en) * 2022-01-19 2022-04-05 成都飞机工业（集团）有限责任公司 Adjustable clamping device and using method

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EP2839929A1 (en) * 2013-08-21 2015-02-25 Macc Clamp-type clamping device
TW201600264A (en) * 2014-03-31 2016-01-01 鴻海精密工業股份有限公司 Screwdriver
CN106064370A (en) * 2016-07-21 2016-11-02 江西泰豪军工集团有限公司 A kind of four-way position rotating formula elastic force lock handle device
CN207522416U (en) * 2017-08-23 2018-06-22 杭州巨星科技股份有限公司 A kind of fast fixture

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Publication number Priority date Publication date Assignee Title
GB767366A (en) * 1954-01-05 1957-01-30 Jean Dubernet Improvements in or relating to torque spanners
GB1186601A (en) * 1967-04-26 1970-04-02 Albert Leon Wing A Clamping Fixture
US4582307A (en) * 1985-02-22 1986-04-15 Wang Jinn Yih C-clamp
US4747590A (en) * 1986-10-27 1988-05-31 Yang Tai Her Interconnected C-clamps and tensioning means therefor
EP0702192A1 (en) * 1994-09-13 1996-03-20 LINO MANFROTTO + CO. S.p.A. A clamp for supporting optical and photographic equipment
CN2374311Y (en) * 1999-06-07 2000-04-19 揭阳市南光实业有限公司 Handle folding crank
CN2448530Y (en) * 2000-11-09 2001-09-19 欧阳宇强 Foldable active handle
JP2004148412A (en) * 2002-10-28 2004-05-27 Soko Ri Rapid releasing clamp
CN2597143Y (en) * 2002-12-11 2004-01-07 张孔力 Fast G word clamp
CN101428411A (en) * 2007-11-07 2009-05-13 Ibt控股有限责任公司 Ratchet wrench with detachable and rotatable head
US20100180733A1 (en) * 2009-01-16 2010-07-22 Brobst Thomas J Double flex wrench
CN103896170A (en) * 2012-12-26 2014-07-02 聂少莲 Rotary folding mechanism for winch handle
CN203125425U (en) * 2013-03-11 2013-08-14 上海昆杰五金工具有限公司 Angle-adjustable handle and socket wrench with same
EP2839929A1 (en) * 2013-08-21 2015-02-25 Macc Clamp-type clamping device
TW201600264A (en) * 2014-03-31 2016-01-01 鴻海精密工業股份有限公司 Screwdriver
CN106064370A (en) * 2016-07-21 2016-11-02 江西泰豪军工集团有限公司 A kind of four-way position rotating formula elastic force lock handle device
CN207522416U (en) * 2017-08-23 2018-06-22 杭州巨星科技股份有限公司 A kind of fast fixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112787457A (en) * 2019-11-11 2021-05-11 中国石油天然气股份有限公司 Fine tuning device
CN114274082A (en) * 2022-01-19 2022-04-05 成都飞机工业（集团）有限责任公司 Adjustable clamping device and using method

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