CN201036864Y - Damaged screw taking out device - Google Patents
Damaged screw taking out device Download PDFInfo
- Publication number
- CN201036864Y CN201036864Y CNU2007201074898U CN200720107489U CN201036864Y CN 201036864 Y CN201036864 Y CN 201036864Y CN U2007201074898 U CNU2007201074898 U CN U2007201074898U CN 200720107489 U CN200720107489 U CN 200720107489U CN 201036864 Y CN201036864 Y CN 201036864Y
- Authority
- CN
- China
- Prior art keywords
- chisel edge
- taper
- screw
- degrees
- tapered
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Drilling And Boring (AREA)
Abstract
A screw extractor comprises at least a tapered chisel edge and a rod part, wherein, the tapered chisel edge is provided with left-hand thread; the front end face of the tapered chisel edge is provided with two back angle arc surfaces and two chip pockets, wherein, the two back angle arc surfaces and tow chip pockets are arranged at intervals; the chip pockets are at an angle ranging form 90 degrees to 120 degrees with the optimum angle being 110 degrees; the taper angle Alpha of the tapered chisel edge is 120 degrees and the taper angle Beta of the tapered thread is 24 degrees; the tapered chisel edge forms into a whole at the rod part; the other end of the rod part is provided with a movable holding handle of a hand electric drill which can be fixed on a drill machine; the holding handle is in the shape of a polygon prism with the middle part provided with a necking groove and forms a quick-installing handle structure suitable to be used in various connectors. The utility model is characterized in that the utility model is simple and reasonable in structure and convenience for use, which can be installed on a drill machine or a hand electric drill during use; moreover, the screw extractor can take out both broken screw and screw with damaged head, thereby having multifunction; meanwhile, with high work efficiency and wide application range, the utility model is convenient for popularization and application.
Description
Technical field
The utility model relates to a kind of specially screw, comprise the apparatus that disconnected screw takes out, belong to a kind of drill bit damaging.
Background technology
In actual life, screw is as a kind of securing member, the wide range of its use, every timber products that relates to, make as furniture, household decoration etc. all be unable to do without the use of wood screw, even on body of wall, the situation of a large amount of use screws is arranged also on the steel part perhaps, here alleged screw, comprise conventional screw, also comprise securing members such as some similar bolts, as hammer into setscrew in body of wall or the like.Owing to use screw in large quantities, these screws are because of the influence of environment for use, or reason such as the quality of coping screw own, in use, can occur situations such as the damage of screw or fracture inevitably, relate generally to the wood screw of damage, its cross, a word or a rice prefix portion can not cut with screwdriver, or the screw head fracture, can't use screwdriver or the like; Cause fastened object to leave the screw of damaged screws or fracture for a long time, influence the normal use of fastened object, as in plank or the Wooden Batten stay damage or the situation of fracture screw under, when the carpenter planes, damage wood working tool easily, as plane.
At present, though also there are some open at damaged screws or the apparatus that takes out of fracture screw specially, damage head extractor or disconnected screw extractor or the like as screw, but can not replace mutually between them, especially disconnected screw extractor punches on the screw surface of will breaking earlier in use, insert with the multiple thread extractor again, with the left-handed taking-up of spanner, it is loaded down with trivial details to work, inefficiency; Also have plenty of and be formulated in the extractor that uses on the drilling machine specially, its complex structure uses inconveniently, and the scope of application is very limited, and is unfavorable for applying.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned existence, and a kind of damaged screws extractor that damaged screws or disconnected screw can be taken out from fastened object easily is provided.It is made up of taper chisel edge and bar portion at least, and described taper chisel edge is the taper chisel edge that is provided with left hand thread, and the front end face of this taper chisel edge is provided with relief angle arc surface and chip pocket.
Described taper chisel edge front end face is provided with two relief angle arc surfaces and two chip pockets, and their spaces are provided with; Described chip pocket is at the 90-120 degree, and the best is 110 degree.
The cone angle of described taper chisel edge is 120 degree, and the taper thread cone angle beta is 24 degree.
Described taper chisel edge constitutes one in bar portion, is provided with at the other end of bar portion and can be fixed in the drilling machine manual electric drill clamping shank of living.
Described clamping shank is the polygon prism shape, is provided with a necking down groove in the middle of it at least, and constitutes the fast-assembling handle structure of being convenient to various connectors uses.
The utility model compared with prior art has simple and reasonable for structurely, easy to use, both can be installed on the drilling machine and use, and can be installed on the electric hand drill again and use; Can be used for the screw that head damages and take out, can be used for the taking-up of disconnected screw again, realize multi-functional, high efficiency, characteristics such as the scope of application is wide, and is easy to utilize.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: shown in the accompanying drawing 1, the utility model is made up of taper chisel edge 1 and bar portion 2 at least, is similar to a drill bit.Described taper chisel edge 1 is for being provided with the taper chisel edge of left hand thread 3, and its left hand thread 3 is the bull taper thread; The front end face of this taper chisel edge 1 is provided with relief angle arc surface 4 and chip pocket 5.
Described taper chisel edge 1 front end face is provided with two relief angle arc surfaces 4 and two chip pockets 5, and their spaces are provided with; The ρ of described chip pocket 5 is at the 90-120 degree, and the best is 110 degree; The cone angle of described taper chisel edge 1 is 120 degree, and the taper thread cone angle beta is 24 degree.
Taper chisel edge 1 described in the utility model constitutes one with bar portion 2, be provided with at the other end of bar portion 2 and can be fixed in the drilling machine manual electric drill clamping shank 6 of living, this clamping shank 6 is the polygon prism shape, at least be provided with a necking down groove 7 in the middle of it, and constitute the fast-assembling handle structure of being convenient to various connectors uses, as 1/4 ' fast-assembling handle structure.
The utility model can mate the extractor of respective diameters at the different-diameter screw, can be at the screw that damages or the taking-up work of disconnected screw with same coupling extractor.The utility model only can take out with extractor front end tapering chisel edge when making screw head damage extractor; When making to break the screw extractor, anterior tapering chisel edge (α is 120 degree) is equivalent to drill bit, does left-hand cut, and odontodes nose cone screw thread promptly screws in the incision hole on a left side, top, plane of disruption cutting-in hole, and the screw taking-up continues will break when axially entering.
Claims (5)
1. damaged screws extractor, it is made up of taper chisel edge and bar portion at least, it is characterized in that described taper chisel edge (1) for being provided with the taper chisel edge of left hand thread, the front end face of this taper chisel edge (1) is provided with relief angle arc surface (4) and chip pocket (5).
2. damaged screws extractor according to claim 1 is characterized in that described taper chisel edge (1) front end face is provided with two relief angle arc surfaces (4) and two chip pockets (5), and their spaces are provided with; Described chip pocket (5) ρ is at the 90-120 degree.
3. damaged screws extractor according to claim 1 and 2, the cone angle that it is characterized in that described taper chisel edge (1) are 120 degree, and the taper thread cone angle beta is 24 degree.
4. damaged screws extractor according to claim 3 is characterized in that described taper chisel edge (1) and bar portion (2) constitute one, is provided with at the other end of bar portion (2) and can be fixed in the drilling machine manual electric drill clamping shank (6) of living.
5. damaged screws extractor according to claim 4 is characterized in that described clamping shank (6) is the polygon prism shape, is provided with a necking down groove (7) in the middle of it at least, and constitutes the fast-assembling handle structure of being convenient to various connectors uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201074898U CN201036864Y (en) | 2007-03-26 | 2007-03-26 | Damaged screw taking out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201074898U CN201036864Y (en) | 2007-03-26 | 2007-03-26 | Damaged screw taking out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036864Y true CN201036864Y (en) | 2008-03-19 |
Family
ID=39209372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201074898U Expired - Fee Related CN201036864Y (en) | 2007-03-26 | 2007-03-26 | Damaged screw taking out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036864Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707249A (en) * | 2013-12-16 | 2014-04-09 | 酉阳县四达机械厂 | Extractor for broken screw |
| WO2016026184A1 (en) * | 2014-08-18 | 2016-02-25 | 四川省外贸机械进出口有限责任公司 | Tool facilitating take-out of damaged screw |
| CN109015530A (en) * | 2018-09-11 | 2018-12-18 | 山东沃克控制阀有限公司 | A kind of broken bolt provision for disengagement |
| CN111745592A (en) * | 2020-08-18 | 2020-10-09 | 宁波镇海铂悦锁具有限公司 | Supplementary screwdriver case of damaging screw of dismantling |
-
2007
- 2007-03-26 CN CNU2007201074898U patent/CN201036864Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707249A (en) * | 2013-12-16 | 2014-04-09 | 酉阳县四达机械厂 | Extractor for broken screw |
| WO2016026184A1 (en) * | 2014-08-18 | 2016-02-25 | 四川省外贸机械进出口有限责任公司 | Tool facilitating take-out of damaged screw |
| CN109015530A (en) * | 2018-09-11 | 2018-12-18 | 山东沃克控制阀有限公司 | A kind of broken bolt provision for disengagement |
| CN111745592A (en) * | 2020-08-18 | 2020-10-09 | 宁波镇海铂悦锁具有限公司 | Supplementary screwdriver case of damaging screw of dismantling |
| CN111745592B (en) * | 2020-08-18 | 2021-07-23 | 山东星奥液压机械有限公司 | Supplementary screwdriver case of damaging screw of dismantling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201036864Y (en) | Damaged screw taking out device | |
| CN203831351U (en) | End-broken screw extractor | |
| CN204235492U (en) | A kind of nut holder | |
| CN202021579U (en) | Key for dismantling Morse taper cutter bar | |
| CN203245822U (en) | Tapered taking device for broken ends of screws | |
| CN209380613U (en) | A kind of sleeve | |
| CN202037588U (en) | Threaded fracture end cleaning and removing hinging awl | |
| CN201161373Y (en) | Multifunctional combined hammer | |
| US6109619A (en) | Back up gripping and a universal tool holder | |
| CN203696061U (en) | Combined drilling and countersinking tool | |
| CN202377969U (en) | Special-shaped multipurpose screwdriver | |
| CN202224710U (en) | Mechanically-clamped lengthened center drill | |
| CN204295644U (en) | Decoration carpenter multi-purpose hammer | |
| CN210757421U (en) | Special high-efficient two-sided drill bit of wood screw | |
| CN203578865U (en) | Anti-vibration U drill | |
| CN201685205U (en) | Adjustable hexagonal wrench | |
| CN202291669U (en) | Three-level stepped reamer | |
| CN205074982U (en) | Special screwdriver head of deep hole | |
| CN206643373U (en) | A kind of extended type full back arbor | |
| CN217966861U (en) | Screw tapping device | |
| CN218503423U (en) | Drill chuck | |
| CN215038383U (en) | Nail cutting woodworking drill | |
| CN201848714U (en) | Efficient quick-change chuck | |
| CN201579853U (en) | Butterfly-shaped woodworking flat drill | |
| CN215148794U (en) | Multifunctional hardware tool sleeve tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20120326 |