CN107433542B - Screw back-outs device and spanner - Google Patents
Screw back-outs device and spanner Download PDFInfo
- Publication number
- CN107433542B CN107433542B CN201710669733.8A CN201710669733A CN107433542B CN 107433542 B CN107433542 B CN 107433542B CN 201710669733 A CN201710669733 A CN 201710669733A CN 107433542 B CN107433542 B CN 107433542B
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- screw
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- solder
- connecting rod
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- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 229910000679 solder Inorganic materials 0.000 claims description 65
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000008901 benefit Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001065 Chromium-vanadium steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B25B13/02—Spanners; Wrenches with rigid 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
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention discloses a kind of screw and back-outs device and spanner, it is related to electric system maintenance tool technical field, to alleviate existing spanner or screwdriver in use, the slot or outer profile of screw damage deformation, it is difficult to match with spanner or screwdriver again, screw is caused to can not be successfully the technical issues of backing out.Screw provided by the invention back-outs device, the head of screw connector including connecting rod and the end that connecting rod is arranged in；Head of screw connector is connect with heating power supply.During the screw of damage is back-outed.
Description
Technical field
The present invention relates to electric system maintenance tool technical fields, back-out device in particular to a kind of screw and pull
Hand.
Background technique
Screw is a kind of common fastener, logical needing the junction of two objects fastened to drill out when practical application
Hole or blind hole, and tap out are provided with the screw thread to match with threaded hole on screw, by rotating the external screw thread made on screw
It screws in the internal screw thread on threaded hole, and using the frictional force between internal screw thread in the external screw thread and threaded hole of screw, realizes two
The fastening of a object.
Screw is generally divided into according to the fit system of itself and tightening tool: minus screw, plus screw, Triangle ID screw,
Interior angle four directions screw, flower pattern screw, soket head cap screw, outer-hexagonal bolts etc., in actual use, according to the shape of different screws
Shape selects suitable spanner or screwdriver to be set in the outside of head of screw or be inserted into the slot of head of screw, will using wheel shaft principle
Screw is back-outed according to the opposite direction of screw-in direction.
However, present inventor has found, the material of screw is generally carbon steel or stainless steel etc., and spanner or screwdriver
The material of working end is generally chrome-molybdenum steel, chrome-vanadium steel, S2 tool steel etc., the hardness of the working end of common spanner or screwdriver
It is above the hardness of screw, during screw is back-outed repeatedly from threaded hole, the slot of spanner or screwdriver extrusion screw
Or outer profile, be easy to cause screw slot or outer profile damage (outer profile or slot become round), it is difficult to again with spanner or
Screwdriver matching, causes screw can not be successfully and backs out.
Summary of the invention
The purpose of the present invention is to provide a kind of screws to back-out device and spanner, is existed with alleviating existing spanner or screwdriver
In use process, the slot or outer profile of screw damage deformation, it is difficult to match again with spanner or screwdriver, cause screw suitable
The technical issues of benefit is backed out.
The present invention provides a kind of screw and back-outs device, connects including connecting rod and the head of screw for the end that the connecting rod is arranged in
Fitting；The head of screw connector is connect with heating power supply.
When practical application, the head of screw connector is the cylinder being coaxially disposed with the connecting rod；The cylinder is far from institute
The one end for stating connecting rod is provided with multiple double wedges along the circumferential direction of the central axis of the cylinder.
When practical application, the head of screw connector is the sleeve being coaxially disposed with the connecting rod.
Wherein, the head of screw connector is connect with the link detachable；The head of screw connector include it is a variety of, it is more
The shape of the kind head of screw connector is identical, and outer diameter successively increases.
Specifically, it is provided with solder storage chamber in the connecting rod, solder outlet, institute are provided on the head of screw connector
It states solder storage chamber and solder outlet passes through piping connection；The solder storage chamber and the pipeline are electric with the heating
Source connection.
When practical application, air inlet is provided on the solder storage chamber, the air inlet is connect with gas source.
Compared with the existing technology, screw provided by the invention is back-outed device and is had the advantage that
Screw provided by the invention back-outs device, the head of screw connector including connecting rod and the end that connecting rod is arranged in；
Head of screw connector is connect with heating power supply.From this analysis, back-outing device using screw provided by the invention, pass through first
Heating power supply heats head of screw connector, is heated the head of screw of damage using head of screw connector, at this time by solder (example
It such as: scolding tin) contacts with the head of screw after heating, is melted solder using the heat of head of screw, solder flows into the head of screw of damage
Slot in (or on the surface of head of screw), at this time by head of screw connector insertion head of screw slot in (or with head of screw
Surface contact), heating power supply is closed, after head of screw connector is cooling, solder solidification connects head of screw connector and head of screw
It is connected together, screws out direction pivot link along screw at this time, to screw be screwed out from threaded hole, after screw takes out, again
It is connected to heating power supply, the solder connected between head of screw connector and screw melts again, makes head of screw connector and screw point
From so that successfully the screw of damage be taken out.Therefore using screw provided by the invention back-out device can alleviate it is existing
In use, the slot or outer profile of screw damage deformation for spanner or screwdriver, it is difficult to it is matched again with spanner or screwdriver,
Screw is caused to can not be successfully the technical issues of backing out.
The present invention also provides a kind of spanners, including handle, and the spiral shell provided by the invention with handle coaxial arrangement
Nail back-outs device, and the handle is detachably connected with the connecting rod far from one end of the head of screw connector.
When practical application, more support rods, the equal length of the more support rods are provided on the handle；More institutes
State support rod and the handle tie point be respectively positioned on on the vertically disposed same plane of the length direction of the handle；More
Distance of the length of the support rod greater than the tie point of the support rod and the handle to the head of screw connector.
Wherein, spanner provided by the invention further include: the cylinder being set on the outside of the handle, the cylinder and the hand
Handle is threadedly coupled, the more support rods and cylinder articulated connection.
Specifically, spanner provided by the invention further include: crank, the crank and the handle are detachably connected.
The spanner and above-mentioned screw back-out device compared with the existing technology possessed by advantage it is identical, it is no longer superfluous herein
It states.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that screw provided in this embodiment back-outs device；
Fig. 2 is another structural schematic diagram that screw provided in this embodiment back-outs device；
Fig. 3 is the structural schematic diagram for the head of screw connector that screw provided in this embodiment back-outs different size in device；
Fig. 4 shows for the structure that screw provided in this embodiment back-outs the different size of another head of screw connector in device
It is intended to；
Fig. 5 is the elevational schematic view for the head of screw connector that screw provided in this embodiment back-outs different size in device；
Fig. 6 is the structural schematic diagram of spanner provided in this embodiment；
Fig. 7 is part A partial enlarged view in Fig. 6；
Fig. 8 is the schematic diagram that head of screw connector and head of screw pass through solder connection；
Fig. 9 is the schematic diagram that another head of screw connector and head of screw pass through solder connection.
Icon: 10- connecting rod；20- head of screw connector；21- double wedge；22- sleeve；The outlet of 23- solder；30- weldering
Expect storage chamber；31- air inlet；40- handle；41- support rod；42- cylinder；50- crank；60- heating power supply interface；
70- solder；80- heating layer.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the structural schematic diagram that screw provided in this embodiment back-outs device；Fig. 2 twists for screw provided in this embodiment
Another structural schematic diagram of device out；Fig. 3 is the head of screw company that screw provided in this embodiment back-outs different size in device
The structural schematic diagram of fitting；Fig. 4 is the different rule that screw provided in this embodiment back-outs another head of screw connector in device
The structural schematic diagram of lattice；Fig. 5 is looking up for the head of screw connector that screw provided in this embodiment back-outs different size in device
Schematic diagram；Fig. 6 is the structural schematic diagram of spanner provided in this embodiment；Fig. 7 is part A partial enlarged view in Fig. 6；Fig. 8 is spiral shell
The schematic diagram that ailhead connector and head of screw pass through solder connection；Fig. 9 is that another head of screw connector and head of screw pass through weldering
Expect the schematic diagram of connection.
The embodiment of the present invention provides a kind of screw and back-outs device, and as Figure 1-Figure 2, including connecting rod 10 and setting exist
The head of screw connector 20 of the end of connecting rod 10；Head of screw connector 20 is connect with heating power supply.
Compared with the existing technology, screw provided in an embodiment of the present invention is back-outed device and is had the advantage that
Screw provided in an embodiment of the present invention back-outs device, and as Figure 1-Figure 2, including connecting rod 10 and setting are even
The head of screw connector 20 of the end of bar 10；Head of screw connector 20 is connect with heating power supply.From this analysis, using this hair
The screw that bright embodiment provides back-outs device, first heats head of screw connector 20 by heating power supply, is connected using head of screw
Fitting 20 heats the head of screw of damage, at this time by solder (such as: scolding tin or other any fusing points it is lower, it is cooling after can be fast
Rapid hardening is solid, and the material for being also easy to produce noxious material is not allowed in heating process) it is contacted with the head of screw after heating, utilize spiral shell
The heat of ailhead melts solder, and solder flows into (or on the surface of head of screw) slot of the head of screw of damage, at this time by spiral shell
Ailhead connector 20 is inserted into the slot of head of screw (or contacting with the surface of head of screw), as illustrated in figs. 8-9, closes heating
Power supply, after head of screw connector 20 is cooling, solder solidification links together head of screw connector 20 and head of screw, at this time edge
Screw screws out direction pivot link 10, so that screw be screwed out from threaded hole, after screw takes out, is connected to heating power supply again,
The solder connected between head of screw connector 20 and screw melts again, separates head of screw connector 20 with screw, thus suitable
Sharply the screw of damage is taken out.Therefore existing spanner can be alleviated by back-outing device using screw provided in an embodiment of the present invention
Or screwdriver is in use, the slot or outer profile of screw damage deformation, it is difficult to match, cause with spanner or screwdriver again
Screw can not be successfully the technical issues of backing out.
When practical application, for the ease of backing out the screw with grooved hole, as shown in Figure 1, head of screw connector 20 is and connects
The cylinder that bar 10 is coaxially disposed；The one end of cylinder far from connecting rod 10 is provided with multiple double wedges 21 along the circumferential direction of the central axis of cylinder,
After solder is cooling, cylinder is linked together with solder, and by the way that multiple double wedges 21 are arranged, increases head of screw connector 20
With the contact area of solder, to increase the stability of head of screw connector 20 Yu solder connection, and then make implementation of the present invention
The screw that example provides back-outs device and is more convenient for backing out the screw with grooved hole.
When practical application, for the ease of backing out the screw of solid head of screw, as shown in Fig. 2, head of screw connector 20 be with
The sleeve 22 that connecting rod 10 is coaxially disposed, the outside of solid head of screw is set in by sleeve 22, and solder is by spiral shell when the solder cools
Ailhead bonds together with head of screw connector 20, consequently facilitating backing out solid head of screw.
In addition, the section of the inner wall of sleeve 22 can be arranged to polygon, such as Fig. 2, Fig. 4 and Fig. 5 institute when practical application
Show, the inner wall of polygon setting is capable of increasing the frictional force between sleeve 22 and solder.
Wherein, in order to match the head of screws of a variety of different models, as shown in figs 2-4, head of screw connector 20 and connecting rod
10 are detachably connected；Head of screw connector 20 is including a variety of, and the shape of a variety of head of screw connectors 20 is identical, and outer diameter successively increases
Add, using such setting, head of screw connector 20 and the head of screw of a variety of various outer diameters can be made to match, to alleviate due to spiral shell
(cylinder is too big, and slot is too small for the slot size of ailhead connector 20 and head of screw mismatch；Or cylinder is too small, slot is too big),
Or (sleeve 22 is too big, and head of screw is too small for sleeve 22 and screw area of bed mismatch；Or sleeve 22 is too small, head of screw is too big), from
And head of screw connector 20 is caused to be difficult to the problem of being bonded with head of screw.
Specifically, slot or screw head surfaces are flowed into for the ease of solder 70.As illustrated in figs. 8-9, setting in connecting rod 10
There is solder storage chamber 30, solder outlet 23 is provided on head of screw connector 20, solder storage chamber 30 and solder outlet 23 pass through
Piping connection；Solder storage chamber 30 and pipeline are connect with heating power supply, and solder storage chamber 30 is arranged in connecting rod 10, are used
Person can operate screw provided in an embodiment of the present invention convenient for user's both hands and back-out without occupying a hand for grabbing solder
Device, and can reduce during head of screw connector 20 heats, the probability that user's hand is scalded by solder.
In addition, when practical application, it can also be in the bottom of solder storage chamber 30, the outside of solder pipeline and solder outlet
Heating layer is arranged in 23 outside, and heating layer is connect with heating power supply interface 60, and heating power supply interface 60 is connect with heating power supply, together
When, heat-barrier material is set by 10 outer wall of connecting rod, using such setting, user is can reduce and offer of the embodiment of the present invention is provided
Screw when back-outing device, the probability that hand is burned.
In addition, connecting rod 10 may be configured as two parts up and down, and two parts up and down of connecting rod 10 divide solder storage chamber 30
Solder can be put into solder storage chamber 30 convenient for user using such setting for upper and lower two parts.
When practical application, in order to reduce solder 70 due to the influence of the factors such as viscosity, it is difficult to from 23 outflow of solder outlet
Probability is provided with air inlet 31 as Figure 1-Figure 2 on solder storage chamber 30, air inlet 31 is connect with gas source, in solder 70
It is heated melt after, blown afloat by gas source (such as: air blower) into air inlet 31, so that solder 70 be squeezed from solder outlet 23
Out, convenient for solder full of the gap between head of screw connector 20 and head of screw, to make head of screw connector 20 and head of screw
It connects more firm.
The embodiment of the present invention also provides a kind of spanner, as shown in fig. 6, including handle 40, and is coaxially disposed with handle 40
Screw provided in an embodiment of the present invention back-out device, the one end of handle 40 with connecting rod 10 far from head of screw connector 20 is detachable
Connection, by the way that handle is arranged, user's grasping of being more convenient for, to more easily rotate spanner provided in an embodiment of the present invention.
When practical application, for the ease of the torsion of spanner provided in an embodiment of the present invention to be transmitted on head of screw, such as Fig. 6
It is shown, more support rods 41, the equal length of more support rods 41 are provided on handle 40；More support rods 41 and handle 40
Tie point be respectively positioned on on the vertically disposed same plane of the length direction of handle 40；The length of more support rods 41 is greater than support
The distance of the tie point of bar 41 and handle 40 to head of screw connector 20 can will be of the invention by the way that more support rods 41 are arranged
The spanner of offer is supported in the plane where head of screw, and due to the equal length of more support rods 41 and more support rods
41 are respectively positioned on the tie point of handle 40 on the vertically disposed same plane of the length direction of handle 40, therefore work as support rod 41
When opening, the length direction of spanner provided in an embodiment of the present invention is vertical with the plane where head of screw, therefore when user is revolved
When turning spanner provided in an embodiment of the present invention, the torsion that user acts on spanner can be successfully transmitted on head of screw,
Convenient for screw is back-outed.
Wherein, for the ease of the distance between adjusting screw head connector 20 and head of screw, as shown in fig. 7, the present invention is real
Apply the spanner of example offer further include: be set in the cylinder 42 in 40 outside of handle, cylinder 42 is threadedly coupled with handle 40, more supports
Bar 41 and cylinder 42 are articulated and connected, and after more support rods 41 are erected, cooperate handle with cylinder 42 by rotating handle 40
In the case where, it is vertically moving, so as to the distance between adjusting screw head connector 20 and head of screw, and then it is convenient for
According to the thickness of head of screw, the gap between spanner and screw provided in an embodiment of the present invention is adjusted, implementation of the present invention is improved
The scope of application for the spanner that example provides.
When practical application, the connectors such as magnet, sucker can also be arranged in the bottom of support rod 41, thus where head of screw
Plane and horizontal plane there are when certain angle, be still able to use spanner provided in an embodiment of the present invention.
Specifically, in order to provide bigger torsion to spanner provided in an embodiment of the present invention, as shown in fig. 6, the present invention is real
Apply the spanner of example offer further include: crank 50, crank 50 and handle 40 are detachably connected, and increase power by the way that crank 50 is arranged
Operating distance, to enable a user to provide bigger torque, and then user can back out screw more labor-savingly.
The spanner and above-mentioned screw back-out device compared with the existing technology possessed by advantage it is identical, it is no longer superfluous herein
It states.
The use step of spanner provided in an embodiment of the present invention are as follows:
A. suitable head of screw connector 20 is selected according to the size and shape of head of screw to be back-outed；
B. the head of screw connector 20 selected is connect with connecting rod；
C. solder 70 is added into solder storage chamber 30；
D. handle 40 is connect with connecting rod 10；
E. support rod 41 is propped, head of screw connector 20 is aligned with head of screw, and support rod is fixed on head of screw
In the plane at place；
F. rotating handle 40, by the screw thread between cylinder 42 and handle 40, adjusting screw head support member 20 and head of screw
The distance between；
G. gas source is connected at air inlet, heating power supply is connected on heating power supply interface 60, and open heating electricity
Source；
H. judge whether to need to open gas source according to the smooth degree that solder 70 flows out, if skipping to step I, skip to if not
Step J；
I. gas source is opened, when solder 70 is completely filled with the gap between head of screw connector 20 and head of screw, closes gas
Source, and heating power supply is closed, skip to step K；
J. when solder 70 is completely filled with the gap between head of screw connector 20 and head of screw, and heating power supply is closed；
K. after waiting 70 cooled and solidified of solder, crank 50 is connect with handle 40, rotation crank 50 drives head of screw connection
Part 20 rotates, and screw is back-outed.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of screw back-outs device, which is characterized in that connect including connecting rod and the head of screw for the end that the connecting rod is arranged in
Fitting；
The head of screw connector is connect with heating power supply；
The head of screw connector is the cylinder being coaxially disposed with the connecting rod；The one end of the cylinder far from the connecting rod, edge
The circumferential direction of the central axis of the cylinder is provided with multiple double wedges；Alternatively, the head of screw connector is coaxially to set with the connecting rod
The sleeve set；
It is provided with solder storage chamber in the connecting rod, solder outlet, the solder storage are provided on the head of screw connector
Chamber and solder outlet pass through piping connection；
The solder storage chamber and the pipeline are connect with the heating power supply；
Air inlet is provided on the solder storage chamber, the air inlet is connect with gas source；
The outside of the bottom of solder storage chamber, the outside of solder pipeline and solder outlet is provided with heating layer, heating layer with plus
The connection of thermoelectricity source interface, heating power supply interface are connect with heating power supply.
2. screw according to claim 1 back-outs device, which is characterized in that the head of screw connector and the connecting rod can
Dismantling connection；
The head of screw connector include it is a variety of, the shape of a variety of head of screw connectors is identical, and outer diameter successively increases.
3. a kind of spanner, which is characterized in that including handle, and with handle coaxial arrangement such as the claims 1-2
Any one of described in screw back-out device, the one end of the handle with the connecting rod far from the head of screw connector is detachable
Connection.
4. spanner according to claim 3, which is characterized in that more support rods are provided on the handle, described in more
The equal length of support rod；
The tie point of the more support rods and the handle is respectively positioned on vertically disposed same with the length direction of the handle
In plane；
The length of the more support rods is greater than the tie point of the support rod and the handle to the head of screw connector
Distance.
5. spanner according to claim 4, which is characterized in that further include: the cylinder being set on the outside of the handle, it is described
Cylinder is connect with the handle threads, the more support rods and cylinder articulated connection.
6. spanner according to claim 5, which is characterized in that further include: crank, the crank and the handle are detachable
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669733.8A CN107433542B (en) | 2017-08-07 | 2017-08-07 | Screw back-outs device and spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669733.8A CN107433542B (en) | 2017-08-07 | 2017-08-07 | Screw back-outs device and spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107433542A CN107433542A (en) | 2017-12-05 |
| CN107433542B true CN107433542B (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710669733.8A Active CN107433542B (en) | 2017-08-07 | 2017-08-07 | Screw back-outs device and spanner |
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| CN (1) | CN107433542B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102110456B1 (en) * | 2018-11-09 | 2020-05-13 | 노영제 | Screwdriver possible for changing shape of screwhead |
| CN110497358A (en) * | 2019-09-23 | 2019-11-26 | 长沙航空职业技术学院 | The extracting tool and application method of a kind of screw on curved surface, nut |
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| FI78634C (en) * | 1987-12-18 | 1989-09-11 | Seppo Tervo | Method and apparatus for loosening a broken bolt. |
| US5125144A (en) * | 1989-05-11 | 1992-06-30 | Clark Brian J | Extractor for broken-off taps and the like and method of extracting same |
| CN102241009B (en) * | 2010-05-12 | 2014-04-23 | 鸿富锦精密工业（深圳）有限公司 | Pulling-out device |
| CN101954630A (en) * | 2010-10-13 | 2011-01-26 | 无锡巨力重工机械有限公司 | Device for taking out broken drill in deep hole machining |
| CN202412105U (en) * | 2011-12-12 | 2012-09-05 | 河南省电力公司安阳供电公司 | Charged fastening screw device |
| CN202943596U (en) * | 2012-11-01 | 2013-05-22 | 宝钢集团新疆八一钢铁有限公司 | Specialized bolt for taking broken rod |
| CN205414642U (en) * | 2015-11-20 | 2016-08-03 | 郭帅 | Control by temperature change antiskid silk screwdriver |
| CN205852685U (en) * | 2016-07-18 | 2017-01-04 | 南通嘉奇钣金科技有限公司 | A kind of device for taking disconnected tapping thing |
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2017
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