CN205765698U - A kind of laborsaving leverage - Google Patents
A kind of laborsaving leverage Download PDFInfo
- Publication number
- CN205765698U CN205765698U CN201620575210.8U CN201620575210U CN205765698U CN 205765698 U CN205765698 U CN 205765698U CN 201620575210 U CN201620575210 U CN 201620575210U CN 205765698 U CN205765698 U CN 205765698U
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- China
- Prior art keywords
- handle
- force application
- thrust augmentation
- hinged
- stage thrust
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Abstract
This utility model relates to a kind of laborsaving leverage, solving existing driving clamping device is primary lever structure, labor-saving effect is general, frequently hold the bigger power that needs under conjunction, actually used relatively elaborate defect, two-stage thrust augmentation handle it is hinged with on support, two-stage thrust augmentation handle is hinged with one-level force application handle, three articulated position at least one be slide hinged, the two-stage thrust augmentation handle end outer side edges hinged with one-level force application handle contacts with afterburning block side, when one-level force application handle rotates afterburning, the spacing of two-stage thrust augmentation handle two pin joint increases or the spacing of one-level force application handle two pin joint reduces or on support, the spacing of two pin joints reduces.One-level force application handle transmits the force to two-stage thrust augmentation handle type and becomes second lever structure, and two-stage thrust augmentation handle contacts with afterburning block and promotes afterburning block, thus drives push rod to advance, and becomes secondary to amplify from one-level force application handle to two-stage thrust augmentation handle type, makes power convenient.
Description
Technical field
This utility model relates to a kind of leverage, especially one secondary amplification can realize the laborsaving Lever machine in labour-saving
Structure.
Background technology
Mostly existing driving clamping device is to arrange force application handle, afterburning block, back-moving spring in support, and force application handle is articulated with
On support so that force application handle forms leverage with this pin joint for fulcrum, force application handle matches, by reinforcing with afterburning block
Handle one end applies active force, and the force application handle other end promotes afterburning block motion, this kind of structure to be to be come by the amplification of force application handle
Realize save effort functional.
But mostly its work of instrument generally using this driving clamping device is frequent operation formula, say, that force application handle
Can repeatedly hold conjunction, but existing force application handle uses only as primary lever, labour-saving effect is general, repeatedly holds desired wanting
Power is relatively big, actually used the most relatively elaborate.
Summary of the invention
It is primary lever structure that this utility model solves existing driving clamping device, and labor-saving effect is general, frequently holds
Bigger power, actually used relatively elaborate defect is needed, it is provided that a kind of laborsaving leverage under conjunction, in force application handle hinged two grades
Force application handle, two-stage thrust augmentation handle matches with afterburning block, forms second lever structure, it is achieved more labour-saving function.
This utility model solves its technical problem and be the technical scheme is that a kind of laborsaving leverage, including support,
It is hinged with force application handle in support, also includes the afterburning block being placed on push rod, support is hinged with two-stage thrust augmentation handle, two-stage thrust augmentation
Handle is hinged with one-level force application handle, three articulated position at least one be slide hinged, two-stage thrust augmentation handle and one-level force application handle
Hinged end outer side edges contacts with afterburning block side, when one-level force application handle rotates afterburning, two-stage thrust augmentation handle two pin joint it
The spacing of spacing increase or one-level force application handle two pin joint reduces or on support, the spacing of two pin joints reduces.One
Level force application handle transmits the force to two-stage thrust augmentation handle type and becomes second lever structure, two-stage thrust augmentation handle contact with afterburning block and promote reinforcing
Block, thus drive push rod to advance, become secondary to amplify from one-level force application handle to two-stage thrust augmentation handle type, make power convenient;Two grades add
The spacing of power handle two pin joint increases so that two-stage thrust augmentation handle has power amplification, between one-level force application handle two pin joint
Distance reduces so that one-level force application handle power amplification is strengthened, and on support, the spacing of two pin joints reduces so that two-stage thrust augmentation
Handle rotates the arm of force and increases, and strengthens two-stage thrust augmentation handle power amplification.
In order to manipulate conveniently, for fixing hinged between one-level force application handle and support, one-level force application handle and two-stage thrust augmentation handle it
Between hinged and two-stage thrust augmentation handle and support between hinged at least one be slide hinged.
A kind of scheme: two hinge holes in one-level force application handle are circular hole, and one end of two-stage thrust augmentation handle is circular hole, another
End is long lumbar hole.
First scheme: two hinge holes in one-level force application handle are circular hole, and the two ends of two-stage thrust augmentation handle are long waist
Hole.
The third scheme a: hinge hole of one-level force application handle is circular hole, and another hinge hole is long lumbar hole, two-stage thrust augmentation
Two hinge holes of handle are circular hole.
4th kind of scheme: two hinge holes of one-level force application handle are circular hole, two hinge holes of two-stage thrust augmentation handle are circle
Hole, on support, the hinge hole of hinged two-stage thrust augmentation handle is long lumbar hole.
Slide hinged, outer also include slip except rotating, it is slide hinged that to be circular hole with long lumbar hole coordinated by bearing pin forms,
Hinged bearing pin has relative movement relative to hinge hole.
As preferably, being connected and have back-moving spring between afterburning block and support, push rod is through afterburning block, afterburning block and push rod phase
Tilt.
As preferably, mechanism is also equipped with one and stops lock assembly, and only lock assembly includes only lock dog and locking spring, and push rod passes
Only lock dog, push rod tilts with only lock dog.
As preferably, only lock dog is reversely contrary relative to the inclination of push rod with afterburning block relative to the incline direction of push rod, only lock
Block is identical by the force direction of back-moving spring with afterburning block by the active force of locking spring.
The beneficial effects of the utility model are: one-level force application handle transmits the force to two-stage thrust augmentation handle type and becomes second lever to tie
Structure, two-stage thrust augmentation handle contacts with afterburning block and promotes afterburning block, thus driving push rod to advance, from one-level force application handle to two-stage thrust augmentation
Handle type becomes secondary to amplify, and makes power convenient.
Accompanying drawing explanation
Fig. 1 is that this utility model one uses structural representation;
Fig. 2 is the exploded perspective view of structure shown in this utility model Fig. 1;
Fig. 3 is that this utility model the second uses structural representation;
Fig. 4 is the explosive view of structure shown in this utility model Fig. 3;
Fig. 5 is this utility model the second structural representation;
Fig. 6 is the third structural representation of this utility model;
Fig. 7 is the 4th kind of structural representation of this utility model;
In figure: 1, fixed handle, 2, one-level force application handle, 3, locking spring, 4, solve locking plate, 5, only lock dog, 6, push rod, 7, solid
Clamp head, 8, active chuck, 9, two-stage thrust augmentation handle, 10, afterburning block, 11, back-moving spring, 12, bearing pin, 13, axle sleeve, 14, circular hole,
15, long lumbar hole, 16, cover plate, 17, fixing post, 18, support, 19, installation cavity, 20, fixed disk, 21, sheath, 22, end socket, 23, cut
Pitch cutting, 24, cutting hole.
Detailed description of the invention
Below by specific embodiment, and combine accompanying drawing, the technical solution of the utility model is made more specifically
Bright.
Embodiment 1: a kind of laborsaving clamping tool (sees Fig. 1 Fig. 2), including a push rod 6, it is solid that the end of push rod is fixed with one
Clamp 7, push rod is equipped with can the support 18 of push rod sliding relatively, support is fixed with chuck, this chuck can be sliding with support
Move and form active chuck 8, support is further fixed on fixed handle 1.It is provided with installation cavity 19 in support, is provided with vertical in installation cavity
The fixing post 17 of straight push rod, is provided with laborsaving leverage assembly in installation cavity, the opening part of installation cavity is provided with cover plate 16 envelope
Close.
Laborsaving leverage assembly includes one-level force application handle 2, two-stage thrust augmentation handle 9, afterburning block 10, back-moving spring 11.One-level
Force application handle is hinged with support, and one end reaches outside support, and the other end is hinged with two-stage thrust augmentation handle in extending into installation cavity, and two
One end of level force application handle is placed on fixing post formation and is articulated and connected.Two-stage thrust augmentation handle takes the shape of the letter U shape, and push rod is worn from the centre of U-shaped
Crossing, afterburning block is provided with the size perforation more than push rod size, push rod is through perforation, the side of afterburning block and two-stage thrust augmentation handle
Contacting, the position that two-stage thrust augmentation handle contacts with afterburning block is arc shape.Back-moving spring is arranged at afterburning block and support installation cavity
Between inwall, back-moving spring one end contacts with afterburning block side all the time, and back-moving spring and two-stage thrust augmentation handle are exactly in reinforcing
Block both sides.Afterburning block in the present embodiment is three pieces side by side, and an end of afterburning block is provided with groove, corresponding in installation cavity
Position be provided with guide rail, groove matches with guide rail, and original state reinforcing block tilts with push rod.
Being provided with two circular holes 14 in one-level force application handle, the circular hole being close to middle part by bearing pin 12 and axle sleeve 13 and props up
Frame is fixed hinged, and two-stage thrust augmentation handle one end is provided with circular hole 14, and the other end is provided with long lumbar hole 15, and long lumbar hole is in two-stage thrust augmentation
The opening of handle U-shaped, the end at long lumbar hole place contacts with afterburning block, and long lumbar hole passes through with the circular hole of one-level force application handle end
Bearing pin and axle sleeve are formed slide hinged, and it is fixing hinged that the circle hole sleeve of two-stage thrust augmentation handle is placed on fixing post formation.
The outside of support is provided with lockable mechanism, and lockable mechanism includes only lock dog 5 and the locking spring being placed on push rod
3, push rod is also equipped with solution locking plate 4, solves the same side of locking plate and latch and all snap onto shape in the arcuate groove of bracket outer
Become location, between the other end and the support of latch, locking spring is set.Under the effect of locking spring, latch and push rod phase
Tilt and locking push rod.The incline direction of latch is in opposite direction with what afterburning block tilted, lockable mechanism be in fixed chuck with
On push rod between active chuck.Solve the length length more than latch of locking plate.
Three pin joints on initial condition before non-reinforcing, one-level force application handle and two-stage thrust augmentation handle are in one directly
Line, now the bearing pin in long lumbar hole is away from the end at its place and near the two-stage thrust augmentation handle other end.Reinforcing starts, and one-level adds
Power handle closes up towards fixed handle, and one-level force application handle rotates around the position hinged with support, the bearing pin of one-level force application handle end
Moving to the other end from one end of two-stage thrust augmentation handle long lumbar hole, on two-stage thrust augmentation handle, the distance between two pin joints increases, two grades
The contact surface between force application handle and the afterburning block arc sliding along two-stage thrust augmentation pommel portion, afterburning block tilts with push rod, inclines
By the edge transfer thrust of contact after tiltedly.Along with one-level force application handle rotates, two-stage thrust augmentation handle rotates equally, two-stage thrust augmentation handle two
Distance between pin joint increases, after same active force is passed to two-stage thrust augmentation handle by afterburning block, and amplified arm of force change,
The active force passing to one-level force application handle reduces, and the applying power in one-level force application handle is reduced by, thus realizes secondary labour-saving merit
Energy.
Embodiment 2: a kind of laborsaving glue rifle (seeing Fig. 3 Fig. 4), including support 18, one end of support connects watch box 21, protects
The end of body connects fixed disk 20, is installed with push rod 6 in support, and the end of push rod is fixed with push-plate, and push-plate is towards fixed disk.?
Being fixed with fixed handle on frame, internal stent is empty formation installation cavity 19, is provided with laborsaving leverage assembly, peace in installation cavity
The inwall behaveing affectedly is provided with prominent connecting portion, and connecting portion is provided with circular hole.
Laborsaving leverage assembly includes one-level force application handle 2, two-stage thrust augmentation handle 9, afterburning block 10, back-moving spring 11.One-level
Force application handle is hinged with support, and one end reaches outside support, and the other end is hinged with two-stage thrust augmentation handle in extending into installation cavity, and two
One end of level force application handle is U-shape, and the open card of U-shape is on connecting portion, and the end of U-shape is provided with circular hole 14, this circular hole
Formed fixing hinged by bearing pin with the circular hole on connecting portion.Push rod passes from the bottom of two-stage thrust augmentation handle U-shaped, and afterburning block sets
Being equipped with the size perforation more than push rod size, push rod contacts through perforation, the side of afterburning block with two-stage thrust augmentation handle, and two grades add
The position that power handle contacts with afterburning block is arc shape.The end position of support is rotary with end socket 22, and back-moving spring is placed on afterburning block
And on the push rod between end socket, back-moving spring one end contacts with afterburning block side all the time, and back-moving spring is with two-stage thrust augmentation handle just
Being in well afterburning block both sides, original state reinforcing block tilts with push rod.
Being provided with three circular holes 14 in one-level force application handle, the circular hole being in centre is solid with support by bearing pin 12 and axle sleeve 13
Fixed the most hinged, one-level force application handle arranges the position of circular hole and takes the shape of the letter U shape, and the other end of two-stage thrust augmentation handle is provided with long lumbar hole 15, long waist
Sliding hinge is formed in the end at place, hole is inserted into the U-shape end of one-level force application handle and with the circular hole of one-level force application handle end
Connecing, the end of two-stage thrust augmentation handle contacts with afterburning block, and the end that two-stage thrust augmentation handle contacts with afterburning block is curved portions.One-level
Force application handle fixes hinged cooperation in the way of clamping support with support, and the position of bracket outer correspondence one-level force application handle is provided with cuts
Pitch cutting 23, in one-level force application handle, the 3rd formed corresponding with cutting sheet of circular hole cuts hole 24.
The outside of support is provided with lockable mechanism, and lockable mechanism includes solution locking plate 4 and the locking spring being placed on push rod
3, the upper end solving locking plate is bathtub construction, and the position that support is corresponding is provided with dowel and the stopper of size increase, solves locking plate
Upper end snaps onto at dowel, solves and is connected locking spring formation locking between the other end and the bracket outer of locking plate, solves locking plate
Lower end overlength, can be unlocked by this overlength position, therefore the solution locking plate of the present embodiment and latch unite two into one employing same
Parts, the incline direction solving locking plate is in opposite direction with what afterburning block tilted.Under the effect of locking spring, solve locking plate and push rod phase
Tilt and locking push rod.
Three pin joints on initial condition before non-reinforcing, one-level force application handle and two-stage thrust augmentation handle are in one directly
Line, now the bearing pin in long lumbar hole is away from the end at its place and near the two-stage thrust augmentation handle other end.Reinforcing starts, and one-level adds
Power handle closes up towards fixed handle, and one-level force application handle rotates around the position hinged with support, the bearing pin of one-level force application handle end
Moving to the other end from one end of two-stage thrust augmentation handle long lumbar hole, on two-stage thrust augmentation handle, the distance between two pin joints increases, two grades
The contact surface between force application handle and the afterburning block arc sliding along two-stage thrust augmentation pommel portion, afterburning block tilts with push rod, inclines
By the edge transfer thrust of contact after tiltedly.Along with one-level force application handle rotates, two-stage thrust augmentation handle rotates equally, two-stage thrust augmentation handle two
Distance between pin joint increases, after same active force is passed to two-stage thrust augmentation handle by afterburning block, and amplified arm of force change,
The active force passing to one-level force application handle reduces, and the applying power in one-level force application handle is reduced by, thus realizes secondary labour-saving merit
Energy.
Embodiment 3: a kind of laborsaving leverage (seeing Fig. 5), including the one-level force application handle 2 and two being hinged with support 28
Level force application handle 9, one-level force application handle is provided with two circular holes 14, two-stage thrust augmentation handle is provided with a circular hole 14 and a long lumbar hole
15, the circular hole on two-stage thrust augmentation handle is fixed hinged with two-stage thrust augmentation pommel portion, between long lumbar hole and the support of two-stage thrust augmentation handle is
Slide hinged, remaining afterburning block, back-moving spring, lockable mechanism are with reference to embodiment 1 or embodiment 2.
Original state, three pin joints are in straight line, and the distance between two-stage thrust augmentation handle two pin joint is the shortest, along with
Exerting a force to one-level force application handle, one-level force application handle rotates, and two-stage thrust augmentation handle rotates simultaneously, and in rotation process, two-stage thrust augmentation handle two is hinged
Distance increase between point realizes amplification.
Embodiment 4: a kind of laborsaving leverage (seeing Fig. 6), one-level force application handle arranges two circular holes 14, two-stage thrust augmentation
Arranging two circular holes 14 on handle, on support, the position of hinged two-stage thrust augmentation handle arranges long lumbar hole 15, two-stage thrust augmentation handle and between be
Fixing hinged, for fixing hinged between one-level force application handle and two-stage thrust augmentation handle, it is slide hinged between two-stage thrust augmentation handle and support,
Remaining structure is with reference to embodiment 3.
Embodiment 5: a kind of laborsaving leverage (seeing Fig. 7), two-stage thrust augmentation handle arranges two circular holes 14, and one-level is afterburning
Arranging a circular hole 14 and a long lumbar hole 15 on handle, circular hole is in one-level force application handle end with support for fixing hinged, long waist
Hole is in one-level force application handle towards centre position, and long lumbar hole becomes slide hinged with two-stage thrust augmentation handle type, two-stage thrust augmentation handle and support
Between for fixing hinged, remaining structure is with reference to embodiment 3.
Three pin joints that original state, one-level force application handle and two-stage thrust augmentation handle type become are triangular in shape, and one-level force application handle
Bearing pin in long lumbar hole is in the one end away from one-level force application handle circular hole, and along with one-level force application handle rotates, bearing pin is in long lumbar hole
Mobile, the spacing of one-level force application handle two pin joint reduces, thus realizes amplification.
Embodiment described above is several preferred version of the present utility model, and this utility model is not made any shape
Restriction in formula, also has other variant and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (10)
1. a laborsaving leverage, including support, is hinged with force application handle, also includes the reinforcing being placed on push rod in support
Block, it is characterised in that be hinged with two-stage thrust augmentation handle on support, two-stage thrust augmentation handle is hinged with one-level force application handle, three articulated position
At least one is slide hinged, and the two-stage thrust augmentation handle end outer side edges hinged with one-level force application handle connects with afterburning block side
Touching, when one-level force application handle rotates afterburning, the spacing of two-stage thrust augmentation handle two pin joint increases or one-level force application handle two pin joint
Spacing reduce or on support, the spacing of two pin joints reduces.
The laborsaving leverage of one the most according to claim 1, it is characterised in that be solid between one-level force application handle and support
Fixed the most hinged, in hinged between hinged and two-stage thrust augmentation handle and the support between one-level force application handle and two-stage thrust augmentation handle at least one
Individual for slide hinged.
The laborsaving leverage of one the most according to claim 2, it is characterised in that two hinge holes in one-level force application handle
Being circular hole, one end of two-stage thrust augmentation handle is circular hole, and the other end is long lumbar hole.
The laborsaving leverage of one the most according to claim 2, it is characterised in that two hinge holes in one-level force application handle
Being circular hole, the two ends of two-stage thrust augmentation handle are long lumbar hole.
The laborsaving leverage of one the most according to claim 2 a, it is characterised in that hinge hole of one-level force application handle is
Circular hole, another hinge hole is long lumbar hole, and two hinge holes of two-stage thrust augmentation handle are circular hole.
The laborsaving leverage of one the most according to claim 2, it is characterised in that two hinge holes of one-level force application handle are
Circular hole, two hinge holes of two-stage thrust augmentation handle are circular hole, and on support, the hinge hole of hinged two-stage thrust augmentation handle is long lumbar hole.
7. according to the laborsaving leverage of one described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that slide hinged is round
Hole and long lumbar hole are coordinated by bearing pin and form, and hinged bearing pin has relative movement relative to hinge hole.
8. according to the laborsaving leverage of one described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that afterburning block and support
Between connect and have back-moving spring, push rod is through afterburning block, and afterburning block tilts with push rod.
The laborsaving leverage of one the most according to claim 8, it is characterised in that mechanism is also equipped with one and stops lock assembly, only
Lock assembly includes only lock dog and locking spring, and push rod is through only lock dog, and push rod tilts with only lock dog.
The laborsaving leverage of one the most according to claim 9, it is characterised in that only lock dog is relative to the incline direction of push rod
Reversely contrary relative to the inclination of push rod with afterburning block, only lock dog by the active force of locking spring with afterburning block by back-moving spring
Force direction identical.
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CN201620575210.8U CN205765698U (en) | 2016-06-13 | 2016-06-13 | A kind of laborsaving leverage |
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CN201620575210.8U CN205765698U (en) | 2016-06-13 | 2016-06-13 | A kind of laborsaving leverage |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109420597A (en) * | 2017-09-04 | 2019-03-05 | 艾缇高科技材料(上海)有限公司 | A kind of two-tube glue spraying gun of variable block type file |
CN110666748A (en) * | 2019-10-10 | 2020-01-10 | 上海晨光文具股份有限公司 | Stapling machine |
CN111200983A (en) * | 2017-10-06 | 2020-05-26 | 奥林巴斯株式会社 | Medical device |
-
2016
- 2016-06-13 CN CN201620575210.8U patent/CN205765698U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109420597A (en) * | 2017-09-04 | 2019-03-05 | 艾缇高科技材料(上海)有限公司 | A kind of two-tube glue spraying gun of variable block type file |
CN111200983A (en) * | 2017-10-06 | 2020-05-26 | 奥林巴斯株式会社 | Medical device |
CN111200983B (en) * | 2017-10-06 | 2024-02-13 | 奥林巴斯株式会社 | Medical device |
CN110666748A (en) * | 2019-10-10 | 2020-01-10 | 上海晨光文具股份有限公司 | Stapling machine |
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