CN107433542A - Screw back-outs device and spanner - Google Patents
Screw back-outs device and spanner Download PDFInfo
- Publication number
- CN107433542A CN107433542A CN201710669733.8A CN201710669733A CN107433542A CN 107433542 A CN107433542 A CN 107433542A CN 201710669733 A CN201710669733 A CN 201710669733A CN 107433542 A CN107433542 A CN 107433542A
- Authority
- CN
- China
- Prior art keywords
- screw
- head
- handle
- connecting rod
- solder
- 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.)
- Granted
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
- B25B13/02—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 power system maintenance tool technical field, to alleviate existing spanner or screwdriver in use, slotted eye or outline the damage deformation of screw, it is difficult to match with spanner or screwdriver again, the technical problem for causing screw not back out smoothly.Screw provided by the invention back-outs device, including connecting rod and be arranged on connecting rod end head of screw connector；Head of screw connector is connected with heating power supply.During the screw of damage is back-outed.
Description
Technical field
The present invention relates to power system maintenance tool technical field, back-out device in particular to a kind of screw and pull
Hand.
Background technology
Screw is a kind of common fastener, during practical application, is drilled out in the junction for two objects for needing to fasten logical
Hole or blind hole, and tap out, the screw thread to match with screwed hole is provided with screw, the external screw thread on screw is made by rotation
Screw in the internal thread on screwed hole, and using the frictional force between internal thread in the external screw thread and screwed hole of screw, realize two
The fastening of individual object.
Screw is generally divided into according to its fit system with 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., during actual use, according to the shape of different screws
Shape, suitable spanner or screwdriver is selected to be set in the outside of head of screw or insert in the groove 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
Be above the hardness of screw, by screw from during screwed hole is back-outed repeatedly, the slotted eye of spanner or screwdriver extrusion screw
Or outline, easily cause screw slotted eye or outline damage (outline or slotted eye become round), it is difficult to again with spanner or
Screwdriver matches, and causes screw not back out smoothly.
The content of the invention
It is an object of the invention to provide a kind of screw to back-out device and spanner, is existed with alleviating existing spanner or screwdriver
During use, slotted eye or outline the damage deformation of screw, it is difficult to matched again with spanner or screwdriver, cause screw suitable
The technical problem that profit is backed out.
The present invention provides a kind of screw and back-outs device, including connecting rod and is arranged on the head of screw of end of the connecting rod and connects
Fitting；The head of screw connector is connected with heating power supply.
During practical application, the head of screw connector is the cylinder being coaxially disposed with the connecting rod；The cylinder is away from institute
One end of connecting rod is stated, multiple double wedges are circumferentially provided with along the central shaft of the cylinder.
During practical application, the head of screw connector is the sleeve being coaxially disposed with the connecting rod.
Wherein, the head of screw connector is connected with the link detachable；The head of screw connector is more including a variety of
The shape of the kind head of screw connector is identical, and external diameter increases successively.
Specifically, solder storage chamber is provided with the connecting rod, solder outlet, institute are provided with the head of screw connector
Solder storage chamber is stated to connect by pipeline with solder outlet；The solder storage chamber and the pipeline are electric with the heating
Source connects.
During practical application, air inlet is provided with the solder storage chamber, the air inlet is connected with source of the gas.
Relative to prior art, screw provided by the invention is back-outed device and had the advantage that：
Screw provided by the invention back-outs device, including connecting rod and be arranged on connecting rod end head of screw connector；
Head of screw connector is connected with heating power supply.Thus analysis is understood, is back-outed device using screw provided by the invention, is passed through first
Heating power supply heats head of screw connector, is heated the head of screw of damage using head of screw connector, now by solder (example
Such as：Scolding tin) contacted with the head of screw after heating, solder is melted using the heat of head of screw, solder flows into the head of screw of damage
Slotted eye in (or on the surface of head of screw), now head of screw connector is inserted in the slotted eye of head of screw (or with head of screw
Surface contacts), heating power supply is closed, after head of screw connector cools down, solder solidification connects head of screw connector and head of screw
It is connected together, now screws out direction pivot link along screw, so as to which screw be screwed out from screwed hole, after screw takes out, again
Heating power supply is connected, the solder connected between head of screw connector and screw melts again, makes head of screw connector and screw point
From so as to which 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, slotted eye or the outline damage of screw deform for spanner or screwdriver, it is difficult to matched again with spanner or screwdriver,
The technical problem for causing screw not back out smoothly.
The present invention also provides a kind of spanner, including handle, and the spiral shell provided by the invention being coaxially disposed with the handle
Nail back-outs device, and the handle is detachably connected with the one end of the connecting rod away from the head of screw connector.
During practical application, more support bars, the equal length of the more support bars are provided with the handle；More institutes
State support bar 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 bar more than the tie point of the support bar and the handle to the head of screw connector.
Wherein, spanner provided by the invention also includes：The cylinder being set on the outside of the handle, the cylinder and the hand
Handle is threadedly coupled, and the more support bars and the cylinder are articulated and connected.
Specifically, spanner provided by the invention also includes：Crank, the crank and the handle are detachably connected.
It is same relative to Dominant Facies possessed by prior art that the spanner and above-mentioned screw back-out device, no longer superfluous herein
State.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the screw that the present embodiment provides back-outs device；
Fig. 2 is another structural representation that the screw that the present embodiment provides back-outs device；
Fig. 3 is the structural representation for the head of screw connector that the screw that the present embodiment provides back-outs different size in device；
The structure that Fig. 4 back-outs the different size of another head of screw connector in device for the screw that the present embodiment provides is shown
It is intended to；
Fig. 5 is the elevational schematic view for the head of screw connector that the screw that the present embodiment provides back-outs different size in device；
Fig. 6 is the structural representation for the spanner that the present embodiment provides；
Fig. 7 is part A partial enlarged drawing in Fig. 6；
Fig. 8 is the schematic diagram that head of screw connector passes through solder connection with head of screw；
Fig. 9 is the schematic diagram that another head of screw connector passes through solder connection with head of screw.
Icon：10- connecting rods；20- head of screw connectors；21- double wedges；22- sleeves；23- solders export；30- is welded
Expect storage chamber；31- air inlets；40- handles；41- support bars；42- cylinders；50- cranks；60- heating power supply interfaces；
70- solders；80- zones of heating.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the structural representation that the screw that the present embodiment provides back-outs device；Fig. 2 is that the screw that the present embodiment provides is twisted
Go out another structural representation of device；Fig. 3 is the head of screw company that the screw that the present embodiment provides back-outs different size in device
The structural representation of fitting；Fig. 4 is the different rule that the screw that the present embodiment provides back-outs another head of screw connector in device
The structural representation of lattice；Fig. 5 is looking up for the head of screw connector that the screw that the present embodiment provides back-outs different size in device
Schematic diagram；Fig. 6 is the structural representation for the spanner that the present embodiment provides；Fig. 7 is part A partial enlarged drawing in Fig. 6；Fig. 8 is spiral shell
The schematic diagram that ailhead connector passes through solder connection with head of screw；Fig. 9 is that another head of screw connector passes through weldering with head of screw
Expect the schematic diagram of connection.
The embodiment of the present invention provides a kind of screw and back-outs device, as Figure 1-Figure 2, including connecting rod 10 and is arranged on
The head of screw connector 20 of the end of connecting rod 10；Head of screw connector 20 is connected with heating power supply.
Relative to prior art, screw provided in an embodiment of the present invention is back-outed device and had the advantage that：
Screw provided in an embodiment of the present invention back-outs device, as Figure 1-Figure 2, including connecting rod 10 and the company of being arranged on
The head of screw connector 20 of the end of bar 10；Head of screw connector 20 is connected with heating power supply.Thus analysis is understood, uses 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, now by solder (such as：Scolding tin, or other any fusing points are relatively low, can be fast after cooling
Rapid hardening is consolidated, and does not allow to be also easy to produce the material of noxious material in heating process) contacted with the head of screw after heating, utilize spiral shell
The heat of ailhead melts solder, in the slotted eye of the head of screw of solder inflow damage (or on surface of head of screw), now by spiral shell
In the slotted eye of the insertion head of screw of ailhead connector 20 (or being contacted with the surface of head of screw), as illustrated in figs. 8-9, heating is closed
Power supply, after head of screw connector 20 cools down, solder solidification links together head of screw connector 20 and head of screw, now edge
Screw screws out direction pivot link 10, so as to which screw be screwed out from screwed hole, after screw takes out, connects heating power supply again,
The solder connected between head of screw connector 20 and screw melts again, head of screw connector 20 is separated with screw, so as to 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, slotted eye or outline the damage deformation of screw, it is difficult to match, cause with spanner or screwdriver again
The technical problem that screw can not be backed out smoothly.
During practical application, for the ease of backing out the screw with grooved hole, as shown in figure 1, head of screw connector 20 is with connecting
The cylinder that bar 10 is coaxially disposed；The one end of cylinder away from connecting rod 10, multiple double wedges 21 are circumferentially provided with along the central shaft of cylinder,
After being cooled down when solder, cylinder is connected as a single entity with solder, and by setting multiple double wedges 21, increases head of screw connector 20
With the contact area of solder, so as to increase the stability of head of screw connector 20 and 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.
During 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, 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, during practical application, the section of the inwall of sleeve 22 can be arranged to polygon, such as Fig. 2, Fig. 4 and Fig. 5 institute
Show, the inwall that polygon is set can increase the frictional force between sleeve 22 and solder.
Wherein, in order to match the head of screw 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 external diameter increases successively
Add, using such a setting, can match head of screw connector 20 and the head of screw of a variety of various outer diameters, so as to alleviate due to spiral shell
(cylinder is too big, and slotted eye is too small for the slotted eye size of ailhead connector 20 and head of screw mismatch；Or cylinder is too small, slotted eye is too big),
Or (sleeve 22 is too big, and head of screw is too small with screw area of bed mismatch for sleeve 22；Or sleeve 22 is too small, head of screw is too big), from
And the problem of causing head of screw connector 20 to be difficult to connection firm with head of screw.
Specifically, slotted eye or screw head surfaces are flowed into for the ease of solder 70.As illustrated in figs. 8-9, set in connecting rod 10
There is solder storage chamber 30, solder outlet 23 is provided with head of screw connector 20, solder storage chamber 30 and solder outlet 23 pass through
Pipeline connects；Solder storage chamber 30 and pipeline are connected with heating power supply, and solder storage chamber 30 is arranged in connecting rod 10, are used
Person need not take a hand and be used to capture solder, and user's bimanualness screw provided in an embodiment of the present invention can be easy to back-out
Device, and can reduce during head of screw connector 20 heats, the probability that user's hand is scalded by solder.
In addition, during practical application, can also be in the bottom of solder storage chamber 30, the outside of solder pipeline and solder outlet
23 outside sets zone of heating, and zone of heating is connected with heating power supply interface 60, and heating power supply interface 60 is connected with heating power supply, together
When, the outer wall of connecting rod 10 is arranged to heat-barrier material, using such a setting, user can be reduced 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, and two parts up and down of connecting rod 10 divide solder storage chamber 30 up and down
For upper and lower two parts, using such a setting, user can be easy to be put into solder into solder storage chamber 30.
During practical application, in order to reduce influence of the solder 70 due to factors such as viscosity, it is difficult to from the outflow of solder outlet 23
Probability, as Figure 1-Figure 2, air inlet 31 is provided with solder storage chamber 30, air inlet 31 is connected with source of the gas, in solder 70
It is heated melt after, by source of the gas (such as：Air blower) blown afloat into air inlet 31, so as to which solder 70 be squeezed from solder outlet 23
Go out, be easy to solder full of the gap between head of screw connector 20 and head of screw, so that head of screw connector 20 and head of screw
Connection is more firm.
The embodiment of the present invention also provides a kind of spanner, as shown in fig. 6, being coaxially disposed including handle 40, and with handle 40
Screw provided in an embodiment of the present invention back-out device, handle 40 and the one end of connecting rod 10 away from head of screw connector 20 are detachable
Connection, by setting handle, user's grasping of being more convenient for, so as to more easily rotate spanner provided in an embodiment of the present invention.
During practical application, for the ease of the torsion of spanner provided in an embodiment of the present invention is delivered on head of screw, such as Fig. 6
It is shown, more support bars 41, the equal length of more support bars 41 are provided with handle 40；More support bars 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 bars 41 is more than support
The tie point of bar 41 and handle 40, can be by the present invention by setting more support bars 41 to the distance of head of screw connector 20
The spanner of offer is supported in the plane where head of screw, and equal length and more support bars due to more support bars 41
41 are respectively positioned on on the vertically disposed same plane of the length direction of handle 40, therefore working as support bar 41 with the tie point of handle 40
During 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 is acted on spanner successfully can be delivered on head of screw,
It is easy to back-out on screw.
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
Applying the spanner of example offer also includes：The cylinder 42 in the outside of handle 40 is set in, cylinder 42 is threadedly coupled with handle 40, more supports
Bar 41 and cylinder 42 are articulated and connected, and after more support bars 41 are erected, handle is coordinated with cylinder 42 by rotary handle 40
In the case of, it is vertically moving, so as to the distance between adjusting screw head connector 20 and head of screw, and then it is easy to
According to the thickness of head of screw, the gap between spanner and screw provided in an embodiment of the present invention is adjusted, improves implementation of the present invention
The scope of application for the spanner that example provides.
During practical application, the bottom of support bar 41 can also set the connectors such as magnet, sucker, so as to where head of screw
Plane and horizontal plane when certain angle be present, can still 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
Applying the spanner of example offer also includes：Crank 50, crank 50 and handle 40 are detachably connected, by setting crank 50 to increase power
Operating distance, so as to enable a user to provide bigger moment of torsion, and then user more effortlessly can back out screw.
It is same relative to Dominant Facies possessed by prior art that the spanner and above-mentioned screw back-out device, no longer superfluous herein
State.
The use step of spanner provided in an embodiment of the present invention is：
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 connected with connecting rod；
C. solder 70 is added into solder storage chamber 30；
D. handle 40 is connected with connecting rod 10；
E. support bar 41 is propped, head of screw connector 20 be aligned with head of screw, and support bar is fixed on head of screw
In the plane at place；
F. rotary 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. source of the gas is connected at air inlet, heating power supply is connected on heating power supply interface 60, and open heating electricity
Source；
H. the smooth degree flowed out according to solder 70 judges whether to need to open source of the gas, if skipping to step I, skips to if not
Step J；
I. source of the gas 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 the cooled and solidified of solder 70, crank 50 is connected with handle 40, crank 50 is rotated and drives head of screw connection
Part 20 rotates, and screw is back-outed.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of screw back-outs device, it is characterised in that connects including connecting rod and the head of screw for the end for being arranged on the connecting rod
Fitting；
The head of screw connector is connected with heating power supply.
2. screw according to claim 1 back-outs device, it is characterised in that the head of screw connector be and the connecting rod
The cylinder being coaxially disposed；
The one end of the cylinder away from the connecting rod, multiple double wedges are circumferentially provided with along the central shaft of the cylinder.
3. screw according to claim 1 back-outs device, it is characterised in that the head of screw connector be and the connecting rod
The sleeve being coaxially disposed.
4. the screw according to Claims 2 or 3 back-outs device, it is characterised in that the head of screw connector and the company
Bar is detachably connected；
The head of screw connector is including a variety of, and the shape of a variety of head of screw connectors is identical, and external diameter increases successively.
5. the screw according to Claims 2 or 3 back-outs device, it is characterised in that solder storage is provided with the connecting rod
Chamber, solder outlet is provided with the head of screw connector, and the solder storage chamber is exported with the solder and connected by pipeline；
The solder storage chamber and the pipeline are connected with the heating power supply.
6. screw according to claim 5 back-outs device, it is characterised in that is provided with air inlet on the solder storage chamber
Mouthful, the air inlet is connected with source of the gas.
A kind of 7. spanner, it is characterised in that including handle, and with the handle be coaxially disposed such as above-mentioned claim 1-6
Any one of screw back-out device, the handle and the one end of the connecting rod away from the head of screw connector are detachable
Connection.
8. spanner according to claim 7, it is characterised in that more support bars are provided with the handle, described in more
The equal length of support bar；
The tie point of the more support bars 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 bars is more than the tie point of the support bar and the handle to the head of screw connector
Distance.
9. spanner according to claim 8, it is characterised in that also include：The cylinder being set on the outside of the handle, it is described
Cylinder is connected with the handle threads, and the more support bars and the cylinder are articulated and connected.
10. spanner according to claim 9, it is characterised in that also include：Crank, the crank and the handle are removable
Unload 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 true CN107433542A (en) | 2017-12-05 |
| CN107433542B CN107433542B (en) | 2019-07-26 |
Family
ID=60460525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710669733.8A Active CN107433542B (en) | 2017-08-07 | 2017-08-07 | Screw back-outs device and spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107433542B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR102110456B1 (en) * | 2018-11-09 | 2020-05-13 | 노영제 | Screwdriver possible for changing shape of screwhead |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI78634B (en) * | 1987-12-18 | 1989-05-31 | Seppo Tervo | Process and device for retrieving 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 |
| 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 |
| CN102241009A (en) * | 2010-05-12 | 2011-11-16 | 鸿富锦精密工业（深圳）有限公司 | Pulling-out device |
| 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 |
-
2017
- 2017-08-07 CN CN201710669733.8A patent/CN107433542B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI78634B (en) * | 1987-12-18 | 1989-05-31 | Seppo Tervo | Process and device for retrieving 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 |
| CN102241009A (en) * | 2010-05-12 | 2011-11-16 | 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107433542B (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107433542A (en) | Screw back-outs device and spanner | |
| CN206663326U (en) | Heat shrinkable tube cutter | |
| CN209371528U (en) | A kind of hot water facility water tank pressure-bearing support | |
| CN207783419U (en) | A kind of fan-type dissipation from electronic devices piece | |
| CN208139828U (en) | Tilting-type melting furnace | |
| CN215902959U (en) | Nickel-based alloy welding temperature control device | |
| CN205858865U (en) | A kind of steam generator vibrationproof bar fixing device | |
| CN209272626U (en) | Fuse Type water pipe cutter | |
| CN205914877U (en) | Stator assembly resistance weld machine | |
| CN209336110U (en) | A kind of fixture auxiliary type water pipe hot melt plastic welder | |
| CN206056113U (en) | A kind of chiller of magnetic material | |
| CN206764918U (en) | A kind of heat shrinkable tube cutter | |
| CN207994350U (en) | A kind of power distribution cabinet | |
| CN107824648B (en) | A kind of electrothermal tube automatic bending device | |
| CN207240119U (en) | A kind of combination wrench for auto repair | |
| CN209193514U (en) | Device for rotating gland | |
| CN206717752U (en) | A kind of provision for disengagement for steering wheel control surface locking mechanism screw | |
| CN206858227U (en) | A kind of combined type stud electrode | |
| CN110806136A (en) | Heat exchanger convenient to overhaul | |
| CN206398028U (en) | Lead screw transmission mechanism, workbench module and picture pick-up device | |
| CN216067254U (en) | Temperature sensing element dismounting device for temperature control valve of internal combustion locomotive | |
| CN208780935U (en) | A kind of assembly of novel glasses screw and repair outfit | |
| CN209081384U (en) | A kind of bottleneck Capsule heat shrink wrapping machine | |
| CN208811413U (en) | A kind of bearing shell welding fixture | |
| CN107234381A (en) | Coordinated type move portion, coordinated type mobile device and screw tap lengthen soldering apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |