CN107685305A - Multi-functional turn-knob instrument - Google Patents
Multi-functional turn-knob instrument Download PDFInfo
- Publication number
- CN107685305A CN107685305A CN201710893314.2A CN201710893314A CN107685305A CN 107685305 A CN107685305 A CN 107685305A CN 201710893314 A CN201710893314 A CN 201710893314A CN 107685305 A CN107685305 A CN 107685305A
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- jaw
- knob
- turn
- gripping block
- 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.)
- Withdrawn
Links
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
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
- B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
- B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
- B25B13/5025—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
- B25B13/5041—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a kind of multi-functional turn-knob instrument, including fixed handle, supporting plate, drive mechanism, the both ends of the fixed handle are respectively circular turn-knob end and non-circular turn-knob end, the circular turn-knob end includes the regular jaw worked in coordination, telescopic moving jaw, what the non-circular turn-knob end included working in coordination pulls mouth, clamping element, the supporting plate, drive mechanism is installed in the handle of fixed handle, wherein supporting plate includes jaw supporting plate, gripping block supporting plate, described jaw supporting plate one end connects telescopic moving jaw, the other end connects drive mechanism, described gripping block supporting plate one end connects gripping block, the other end connects drive mechanism.The present invention both can be with clamping circular work pieces, while any non-circular workpiece of and can turn-knob or profiled piece.
Description
Technical field
The present invention relates to manual hardware ＆ tools technology, specifically a kind of multi-functional turn-knob instrument.
Background technology
At present, nut is placed in pipe wrench head by conventional common pipe wrench, moves moving jaw by turn-knob nut to adjust
The size of amount of opening, proficiency handle is needed due to position relationship, during use, a hand adjustment nut is very inconvenient, time-consuming to take
Power, in narrow space in use, bimanualness is especially inconvenient.There is the rotary pipe wrench of moving jaw later, although saving
The trouble of turn-knob nut, the time is saved, but the caliber size clamped is restricted, and this structural clamp workpiece
When in theory exist can not from clamp defect, when easily there is skidding, especially turn-knob smooth surface caliber, skidding is more
Substantially；In addition, in actual production environment, the nut or profiled piece of the various non-circular shapes of turn-knob, common pipe wrench are generally also required to
Jaw is provided with tooth, can destroy nut surface for nutting or profiled piece, operator needs replacing spanner class instrument to complete
Task.Therefore, need a kind of can both clamp different tube diameters, while the nut of and can turn-knob arbitrary shape in actual production life
Or a kind of multi-functional turn-knob instrument as profiled piece, to adapt to actual production working environment complicated and changeable.
By patent searching document, similar techniques are not found.
The content of the invention
, both can be with clamping circular work pieces it is an object of the invention to provide a kind of multi-functional turn-knob instrument, while and can is revolved
Turn round any non-circular workpiece or profiled piece.
In order to reach above-mentioned purpose, present invention employs following technical scheme, a kind of multi-functional turn-knob instrument, including fixation
Handle, supporting plate, drive mechanism, the both ends of the fixed handle are respectively circular turn-knob end and non-circular turn-knob end, the circle
Shape turn-knob end includes regular jaw, the telescopic moving jaw worked in coordination, and what the non-circular turn-knob end included working in coordination pulls
Mouth, clamping element, the supporting plate, drive mechanism are installed in the handle of fixed handle, and wherein supporting plate includes jaw support
Plate, gripping block supporting plate, described jaw supporting plate one end connect telescopic moving jaw, other end connection drive mechanism, the folder
Tight block supporting plate one end connection gripping block, other end connection drive mechanism.
The regular jaw is fine setting rotation regular jaw, and the circular turn-knob end of the fixed handle is provided with regular jaw
Groove, the lower end of fine setting rotation regular jaw is by regular jaw groove of the hinge on fixed handle, on fixed handle also
Provided with a spring eye, stage clip is installed in spring eye, stage clip applies pressure to fine setting rotation regular jaw lower end, prevented micro- under normality
Adjust turning clockwise for rotation regular jaw.
The inwall setting of the regular jaw groove can prevent fine setting rotation regular jaw significantly counterclockwise or square clockwise
To the limiting stand of rotation, fine setting is rotated regular jaw by stage clip has positive and negative 10 degree of rotating range.
Described to pull intraoral side at least provided with three faces, the angle in three faces between any two is 120 degree.
The jaw supporting plate passes through rivet interlacement telescopic moving jaw, the corresponding fine setting rotation grips pincers of telescopic moving jaw
Mouthful, the gripping block supporting plate correspondingly pulls mouth also by rivet interlacement gripping block, gripping block outer face.
The toothed surface of the fine setting rotation regular jaw and telescopic moving jaw is designed as the angle of 5-15 degree.
The gripping block outer face is inclined-plane, and opens up arc groove on gripping block outer face.
The elongated slot through fixed handle is provided among the fixed handle, rectangle teeth groove, rectangle teeth groove are provided among elongated slot
Interior installation drive mechanism, drive mechanism one end connect telescopic moving jaw, driving by the jaw supporting plate in elongated slot
The mechanism other end connects gripping block by gripping block supporting plate in elongated slot, and drive mechanism includes worm screw, outside worm screw
It is meshed with rectangle teeth groove, worm screw both ends are provided with shoulder hole, and anti-disengaging gear, i.e. worm screw both ends are respectively mounted in the shoulder hole at both ends
Pass through anti-disengaging gear connection clamp mouth supporting plate, gripping block supporting plate respectively.
The anti-disengaging gear includes opening up radial direction through hole by cap, fixed cover, compression spring, jaw supporting plate the inner, institute
State fixed cover and also be provided with radial direction through hole, fixed cover axial centre chamber is enclosed on to the inner of supporting plate, the radial direction on the fixed cover
The inner radial direction through hole of through-hole alignment supporting plate, compression spring is provided with radial direction through hole after alignment and two are pressed cap, it is described
Compression spring both ends head on two and entered by cap in the shoulder hole of worm screw, and supporting plate is fixed on worm screw, now fixed cover, pressure
Contracting spring and a sleeve anti-drop opening apparatus is constituted by cap, prevent jaw supporting plate and worm screw from disengaging, similarly, in gripping block supporting plate
End is provided with radial direction through hole, and gripping block supporting plate is fixed on worm screw by another sleeve anti-drop opening apparatus.
The present invention has the advantages that compared with prior art：
The toothed surface of fine setting rotation regular jaw and telescopic moving jaw is designed as the angle of 5-15 degree, preferable fine setting rotation
It is 8 degree to turn regular jaw with telescopic moving jaw toothed surface angle γ, and such angle can realize automatic lock in clamping workpiece
The smooth round piece of clamping of workpieces, especially surface, is not in skidding, is provided with fine setting rotation regular jaw afterbody
Fine-tuning opening is to facilitate clamping circular work pieces in turn-knob workpiece for stage clip, the fine setting rotation regular jaw stress when opening turn-knob
Compression press spring rotation can disengage workpiece automatically, so as to realize the action of continuous reciprocal turn-knob.
When turn-knob non-circular workpiece, can singlehanded turn-knob worm screw pass through support bar drive gripping block left and right water in rectangular channel
Translation is dynamic, under gripping block and the collective effect of crotch, realizes the turn-knob of the nut or profiled piece to any non-circular shape.
When nut such as tetragonal nut, hex nut, the octagon nut of turn-knob regular shape, it can both pass through fixed hand
Two face A and B of 120 degree of handle right-hand member crotch and the inclined-plane C forces of gripping block, can also pass through the β angles of fixed handle and clamping
The arc groove force of block, when turn-knob non-regular shape nut or profiled piece, β angles and the gripping block of fixed handle can only be crossed
Arc groove exerts a force.Therefore, gripping block can realize the function to any non-circular shape nut or profiled piece turn-knob provided with arc groove.
Reasonable in design, simple in construction, easy to manufacture of the invention, using, it is easy to operate, it is time saving and energy saving, both can be with turn-knob not
Same round piece, auto lock workpiece prevent from skidding, while and can turn-knob non-circular workpiece, such as the nut of arbitrary shape or different
Type part, and one-handed performance is realized, so as to provide a kind of multi-functional turn-knob work that can be used in narrow space for people
Tool, substantially increase the operating efficiency of operator.
Brief description of the drawings
Fig. 1 is the structural representation of multi-functional turn-knob instrument；
Fig. 2 is the partial enlarged drawing of the present invention；
Fig. 3 is the partial enlarged drawing of the present invention.
In figure：1. fine setting rotation regular jaw, 2. telescopic moving jaws, 3. rivets, 4. bearing pins, 5. stage clips, 6. supporting plates,
7. supporting plate, 8. are by cap, 9. fixed covers, 10. worm screws, 11. compression springs, 12. supporting plates, 13. supporting plates, 14. rivets, 15.
Gripping block, 16. fixed handles, 17. arc grooves.
Embodiment
Detailed description for the present invention and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing is only with reference to saying
It is bright to be used, not it is used for being any limitation as the present invention.
As shown in accompanying drawing 1 to Fig. 3, a kind of multi-functional turn-knob instrument, including fixed handle 16, supporting plate, drive mechanism, institute
The both ends for stating fixed handle are respectively circular turn-knob end and non-circular turn-knob end, and what the circular turn-knob end included working in coordination consolidates
Determine jaw, telescopic moving jaw 2, what the non-circular turn-knob end included working in coordination pull mouth, clamping element 15, the supporting plate,
Drive mechanism is installed in the handle of fixed handle, and wherein supporting plate includes jaw supporting plate, gripping block supporting plate, the pincers
Mouth supporting plate one end connection telescopic moving jaw, other end connection drive mechanism, gripping block supporting plate one end connection clamp
Block, other end connection drive mechanism.The regular jaw is fine setting rotation regular jaw 1.
The both ends of fixed handle 16 are respectively circular turn-knob end and non-circular turn-knob end, wherein circular turn-knob end is provided with grips pincers
Mouth groove, the lower end of fine setting rotation regular jaw 1 are hinged in the regular jaw groove on fixed handle 16 by bearing pin 4, fixed hand
A spring eye is additionally provided with handle 16, stage clip 5 is placed in spring eye, and stage clip 5 applies pressure to fine setting rotation regular jaw 1 lower end,
Fine setting under normality is prevented to rotate turning clockwise for regular jaw 1.The inwall of regular jaw groove, which is set, can prevent fine setting rotation solid
Determine that jaw 1 is significantly counterclockwise or right handed limiting stand, fine setting is rotated regular jaw 1 by 5 stage clips can be with
There is positive and negative 10 degree of rotating range.
The elongated slot through fixed handle 16 is provided among fixed handle 16, rectangle teeth groove, rectangle teeth groove are provided among elongated slot
Interior installation drive mechanism, drive mechanism one end connect telescopic moving jaw 2, driving by the jaw supporting plate in elongated slot
The mechanism other end connects gripping block 15 by the gripping block supporting plate in elongated slot, and drive mechanism includes worm screw 10, jaw
Supporting plate includes supporting plate 6, the supporting plate 7 being sequentially connected, and gripping block supporting plate includes supporting plate 12, the supporting plate being sequentially connected
13, telescopic moving jaw 2 is riveted on the outer end of supporting plate 6 by rivet 3, and the outside of worm screw 10 is meshed with rectangle teeth groove, worm screw 10
Both ends are provided with shoulder hole, and anti-disengaging gear is respectively mounted in the shoulder hole at both ends, i.e. the both ends of worm screw 10 pass through anti-disengaging gear respectively
Connect jaw supporting plate, gripping block supporting plate, anti-disengaging gear is included by cap 8, fixed cover 9, compression spring 11, in supporting plate 7
End opens up radial direction through hole, and fixed cover 9 also is provided with radial direction through hole, and the axial centre chamber of fixed cover 9 is enclosed on to the inner of supporting plate 7, Gu
Surely the radial direction through hole on set 9 is directed at the inner radial direction through hole of supporting plate 7, and compression spring 11 is provided with radial direction through hole after alignment
Cap 8 is pressed with two, the both ends of compression spring 11 head on two and entered by cap 8 in the shoulder hole of worm screw 10, and supporting plate 7 is fixed on snail
It is fixed when fixed cover 9, compression spring 11 and when being pressed into by cap 8 in the shoulder hole of worm screw 10, compression spring 11 flicks on bar 10
Cover 9, compression spring 11 and constitute a sleeve anti-drop opening apparatus by cap 8, prevent supporting plate 7 and worm screw 10 from disengaging, similarly, supporting plate
12 the inners are provided with radial direction through hole, supporting plate 12 are fixed on worm screw 10 by another sleeve anti-drop opening apparatus, the outer end of supporting plate 13
Gripping block 15 is connected with by rivet 14, the inclined-plane of gripping block 15 is provided with arc groove 17.
The crotch that the non-circular turn-knob end afterbody of fixed handle 16 is provided with approximate regular hexagon shape pulls mouth, and wherein angle α, β is equal
For 120 degree.
, can singlehanded turn-knob worm screw 10 passes through supporting plate 6, supporting plate 7 drives telescopic moving jaw 2 when turn-knob round piece
To be adapted to different workpieces, fine setting rotation regular jaw 1 finely tunes openings of sizes to facilitate clamping workpiece by stage clip 5 for motion.
By analysis, the toothed surface of fine setting rotation regular jaw 1 and telescopic moving jaw 2 is designed as the angle of 5-15 degree,
Preferable fine setting rotation regular jaw 1 and the toothed surface angle γ of telescopic moving jaw 2 are 8 degree, and such angle is in clamping workpiece
When can realize the smooth round piece in auto lock workpiece, especially surface, be not in skidding, fine setting rotation fix
The stage clip 5 that the afterbody of jaw 1 is provided with fine-tuning opening in turn-knob workpiece to facilitate clamping circular work pieces, is finely tuned when opening turn-knob
1 forced compression stage clip of regular jaw, 5 rotational automatic disengagement workpiece is rotated, so as to realize the action of continuous reciprocal turn-knob.
When turn-knob non-circular workpiece, can singlehanded turn-knob worm screw 10 pass through supporting plate 12, supporting plate 13 drive gripping block 15
Move in elongated slot, under the collective effect of gripping block 15 and crotch, realize to the nut of any non-circular shape or profiled piece
Turn-knob.
When nut such as tetragonal nut, hex nut, the octagon nut of turn-knob regular shape, it can both pass through fixed hand
Two face A and B of 120 degree of the non-circular turn-knob end crotch of handle 16 and the inclined-plane C forces of gripping block 15, can also pass through fixed handle
16 β angles and the arc groove 17 of gripping block 15 exert a force, and when turn-knob non-regular shape nut or profiled piece, can only pass through fixation
The β angles of handle 16 and the arc groove 17 of gripping block 15 exert a force.Therefore, gripping block 15 is provided with arc groove 17 and can realized to any non-
The function of toroidal nut or profiled piece turn-knob.
In summary, reasonable in design, simple in construction, easy to manufacture of the invention, using, it is easy to operate, it is time saving and energy saving, both may be used
With turn-knob difference round piece, auto lock workpiece prevents from skidding, while and can turn-knob non-circular workpiece, such as arbitrary shape
Nut or profiled piece, and one-handed performance is realized, so as to provide a kind of more work(that can be used in narrow space for people
Energy turn-knob instrument, substantially increase the operating efficiency of operator.
Presently preferred embodiments of the present invention is the foregoing is only, is not used to limit the scope of the claims of the present invention, other are with this
The equivalence changes of patent of invention spirit, it all should all belong to the scope of the claims of the present invention.
Claims (9)
1. multi-functional turn-knob instrument, it is characterised in that including fixed handle, supporting plate, drive mechanism, the two of the fixed handle
End is respectively circular turn-knob end and non-circular turn-knob end, and the circular turn-knob end includes the regular jaw worked in coordination, shifting of stretching
Movable clamp port, what the non-circular turn-knob end included working in coordination pulls mouth, clamping element, and the supporting plate, drive mechanism are installed in
With the handle of fixed handle, wherein supporting plate includes jaw supporting plate, gripping block supporting plate, jaw supporting plate one end connection
Telescopic moving jaw, other end connection drive mechanism, described gripping block supporting plate one end connect gripping block, other end connection driving
Mechanism.
2. multi-functional turn-knob instrument according to claim 1, it is characterised in that the regular jaw is fixed for fine setting rotation
Jaw, the circular turn-knob end of the fixed handle are provided with regular jaw groove, and the lower end of fine setting rotation regular jaw is cut with scissors by bearing pin
It is connected in the regular jaw groove on fixed handle, a spring eye is additionally provided with fixed handle, stage clip, stage clip pair are installed in spring eye
Fine setting rotation regular jaw lower end applies pressure, prevents to finely tune turning clockwise for rotation regular jaw under normality.
3. multi-functional turn-knob instrument according to claim 2, it is characterised in that the inwall of the regular jaw groove is set can
Prevent fine setting rotation regular jaw significantly counterclockwise or right handed limiting stand, make fine setting rotation solid by stage clip
Positive and negative 10 degree of rotating range can be had by determining jaw.
4. multi-functional turn-knob instrument according to claim 1 or 2, it is characterised in that described to pull intraoral side at least provided with three
Individual face, the angle in three faces between any two is 120 degree.
5. multi-functional turn-knob instrument according to claim 4, it is characterised in that the jaw supporting plate passes through rivet interlacement
Telescopic moving jaw, the corresponding fine setting rotation regular jaw of telescopic moving jaw, the gripping block supporting plate is also by rivet interlacement
Mouth is correspondingly pulled in gripping block, gripping block outer face.
6. multi-functional turn-knob instrument according to claim 5, it is characterised in that the fine setting rotation regular jaw is with stretching
The toothed surface of moved jaw is designed as the angle of 5-15 degree.
7. multi-functional turn-knob instrument according to claim 5, it is characterised in that the gripping block outer face is inclined-plane, and
Gripping block opens up arc groove on outer face.
8. multi-functional turn-knob instrument according to claim 1 or 2, it is characterised in that be provided with and pass through among the fixed handle
The elongated slot of fixed handle is worn, rectangle teeth groove is provided among elongated slot, drive mechanism is installed in rectangle teeth groove, drive mechanism one end passes through
Jaw supporting plate connection telescopic moving jaw in elongated slot, the drive mechanism other end pass through the clamping in elongated slot
Block supporting plate connects gripping block, and drive mechanism includes worm screw, is meshed outside worm screw with rectangle teeth groove, worm screw both ends are provided with ladder
Hole, is respectively mounted anti-disengaging gear in the shoulder hole at both ends, i.e., worm screw both ends respectively by anti-disengaging gear connection clamp mouth supporting plate,
Gripping block supporting plate.
9. multi-functional turn-knob instrument according to claim 8, it is characterised in that the anti-disengaging gear is included by cap, admittedly
Fixed set, compression spring, jaw supporting plate the inner open up radial direction through hole, and the fixed cover also is provided with radial direction through hole, by fixed cover axle
It is enclosed on the inner of supporting plate to center cavity, the inner radial direction through hole of the radial direction through hole alignment supporting plate on the fixed cover, right
Compression spring is provided with radial direction through hole after neat and two are pressed cap, the compression spring both ends head on two and enter worm screw by cap
In shoulder hole, supporting plate is fixed on worm screw, now fixed cover, compression spring and constitutes a sleeve anti-drop opening apparatus by cap,
Prevent jaw supporting plate and worm screw from disengaging, similarly, gripping block supporting plate the inner is provided with radial direction through hole, and dress is opened by another sleeve anti-drop
A gripping block supporting plate is put to be fixed on worm screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893314.2A CN107685305A (en) | 2017-09-27 | 2017-09-27 | Multi-functional turn-knob instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893314.2A CN107685305A (en) | 2017-09-27 | 2017-09-27 | Multi-functional turn-knob instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107685305A true CN107685305A (en) | 2018-02-13 |
Family
ID=61156722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710893314.2A Withdrawn CN107685305A (en) | 2017-09-27 | 2017-09-27 | Multi-functional turn-knob instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107685305A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200819U (en) * | 1987-01-21 | 1988-07-13 | 杨安其 | Dual-purpose adjustable spanner |
| CN2130652Y (en) * | 1992-07-08 | 1993-04-28 | 韩利 | Pushing-type adjustable wrench |
| US5706710A (en) * | 1996-07-05 | 1998-01-13 | Chiang; Cho Cheng | Reversible/adjustable spanner |
| CN2897560Y (en) * | 2006-04-12 | 2007-05-09 | 王颖 | Multi-purpose spanner |
| CN103506996A (en) * | 2012-06-24 | 2014-01-15 | 薛志北 | Multifunctional klystron wrench convenient to use |
| CN103522236A (en) * | 2012-07-01 | 2014-01-22 | 徐州康腾传动科技发展有限公司 | Novel multi-purpose wrench structure |
| CN204525291U (en) * | 2015-04-08 | 2015-08-05 | 曹年军 | A kind of quick adjustment pipe wrench |
| CN204658285U (en) * | 2015-06-05 | 2015-09-23 | 沧州渤海防爆特种工具集团有限公司 | Multifunction anti-explosion spanner |
| CN207402706U (en) * | 2017-09-27 | 2018-05-25 | 威海市威力高档工具有限公司 | A kind of multi-functional turn-knob instrument |
-
2017
- 2017-09-27 CN CN201710893314.2A patent/CN107685305A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200819U (en) * | 1987-01-21 | 1988-07-13 | 杨安其 | Dual-purpose adjustable spanner |
| CN2130652Y (en) * | 1992-07-08 | 1993-04-28 | 韩利 | Pushing-type adjustable wrench |
| US5706710A (en) * | 1996-07-05 | 1998-01-13 | Chiang; Cho Cheng | Reversible/adjustable spanner |
| CN2897560Y (en) * | 2006-04-12 | 2007-05-09 | 王颖 | Multi-purpose spanner |
| CN103506996A (en) * | 2012-06-24 | 2014-01-15 | 薛志北 | Multifunctional klystron wrench convenient to use |
| CN103522236A (en) * | 2012-07-01 | 2014-01-22 | 徐州康腾传动科技发展有限公司 | Novel multi-purpose wrench structure |
| CN204525291U (en) * | 2015-04-08 | 2015-08-05 | 曹年军 | A kind of quick adjustment pipe wrench |
| CN204658285U (en) * | 2015-06-05 | 2015-09-23 | 沧州渤海防爆特种工具集团有限公司 | Multifunction anti-explosion spanner |
| CN207402706U (en) * | 2017-09-27 | 2018-05-25 | 威海市威力高档工具有限公司 | A kind of multi-functional turn-knob instrument |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180213 |