CN109955175A - A kind of screwdriver - Google Patents
A kind of screwdriver Download PDFInfo
- Publication number
- CN109955175A CN109955175A CN201711417356.5A CN201711417356A CN109955175A CN 109955175 A CN109955175 A CN 109955175A CN 201711417356 A CN201711417356 A CN 201711417356A CN 109955175 A CN109955175 A CN 109955175A
- Authority
- CN
- China
- Prior art keywords
- screw thread
- cutter head
- screwdriver
- knife handle
- knife
- 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.)
- Pending
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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
The invention discloses a kind of screwdrivers, its main feature is that including cutter head, knife bar and knife handle, the knife bar be equipped with upper piece and lower, described upper piece one end is equipped with flat word cutter head, it is equipped with cross cutter head with one end under described, passes through screw thread on the knife bar and is equipped with casing, be equipped with external screw thread on the outside of described sleeve pipe, the knife handle is equipped with the internal screw thread to match with external screw thread, internal screw thread is equipped in the casing, upper piece and it is lower be equipped with the matched external screw thread of internal screw thread, which, which is equipped with, switchs critical point.Screwdriver provided by the invention, structure is simple, easy to operate, can according to need replacement cutter head when in use, and substitute mode is simple to operation, effectively extends the service life of screwdriver.Switch mouth is equipped at knife handle in another way to be replaced cutter head.
Description
Technical field
The present invention relates to a kind of hardware tool, especially a kind of screwdriver.
Background technique
Screwdriver is a kind of tool for twisting screw to force its in place, usually has a thin sphenocephaly, can insert
Enter in the line of rabbet joint or recess of screw cap, mainly there is two kinds of a word (negative sign) and cross (positive sign).Common also hex(agonal)screw
Knife, including interior hexagonal and two kinds of outer-hexagonal.The cutter head of existing screwdriver is connected to one with knife bar, is not easy to replace.
In addition, there is a kind of dual-purpose screwdriver at present on the market, both ends are needed replacing, but it is relatively elaborate when replacement, usually
Direct plug-in, often replacing cutter head causes interface linking slack and undisciplined, influences the service life of screwdriver, therefore, the present invention mentions
The screwdriver of cutter head is replaced for a kind of new mode.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, propose a kind of screw driver for orthopaedics, structure
Simply, be conveniently adjusted with fixing screws position, avoid toner screw, reduce operation time, safe operation is medical worker
It brings conveniently.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions, a kind of screwdriver, its main feature is that, packet
Include cutter head, knife bar and knife handle, the knife bar is equipped with upper piece and lower, and described upper piece one end is equipped with flat word cutter head, it is described under with one
End is equipped with cross cutter head, passes through screw thread on the knife bar and is equipped with casing, is equipped with external screw thread on the outside of described sleeve pipe, the knife handle is equipped with
The internal screw thread to match with external screw thread is equipped with internal screw thread in the casing, upper piece and it is lower with equipped with and the matched external screw thread of internal screw thread
, which is equipped with switch critical point.
Screwdriver provided by the invention, structure is simple, easy to operate, can according to need replacement cutter head when in use, more
It changes that mode is simple to operation, effectively extends the service life of screwdriver.
Preferably, the knife handle is annular hand grip.Annular hand grip increases the torque of screwdriver, and it is time saving and energy saving to operate, just
In quickly screw is back-outed.
Preferably, the knife handle is equipped with anti-skid chequer.It avoids occurring between hand and knife handle when operation screwdriver
Slipping phenomenon.
Preferably, the cutter head front end is coated with magnetosphere.Be conducive to accurate setscrew, to screw
With suction-operated, screw is avoided to deviate.
Compared with prior art, the invention has the benefit that screwdriver provided by the invention, structure is simple, operation side
Just, it can according to need replacement cutter head when in use, substitute mode is simple to operation, effectively extends the service life of screwdriver.
Switch mouth is equipped at knife handle in another way to be replaced cutter head.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
A kind of screwdriver is present embodiments provided, as shown in Figure 1, a kind of screwdriver, its main feature is that, including cutter head, knife bar
With knife handle 6, the knife bar is equipped with upper piece 2 and lower 7, and described upper piece 2 one end are equipped with flat word cutter head 1, are equipped under described with 7 one end
Cross cutter head 8 is equipped with casing 4 by screw thread on the knife bar, is equipped with external screw thread 3 on the outside of described sleeve pipe 4, the knife handle 6 is equipped with
The internal screw thread to match with external screw thread is equipped with internal screw thread in the casing, upper piece and it is lower with equipped with and the matched external screw thread of internal screw thread
, which is equipped with switch critical point 9.
In the present embodiment, it is preferred that the knife handle 6 is annular hand grip.Annular hand grip increases the torque of screwdriver,
It is time saving and energy saving to operate, convenient for quickly back-outing screw.
In the present embodiment, it is preferred that the knife handle 6 is equipped with anti-skid chequer.Hand when avoiding operating screwdriver
Phenomenon is had skidded between portion and knife handle 6.
In the present embodiment, it is preferred that the cutter head front end is coated with magnetosphere.Be conducive to accurate fixation
Screw has suction-operated to screw, screw is avoided to deviate.
Claims (4)
1. a kind of screwdriver, which is characterized in that including cutter head, knife bar and knife handle, the knife bar is equipped with upper piece and lower, it is described on
Root one end is equipped with flat word cutter head, with one end is equipped with cross cutter head under described, is equipped with casing, described sleeve pipe by screw thread on the knife bar
Outside is equipped with external screw thread, and the knife handle is equipped with the internal screw thread that matches with external screw thread, is equipped with internal screw thread in the casing, upper piece and
Under be equipped with the matched external screw thread of internal screw thread, the knife handle bottom be equipped with switch critical point.
2. screwdriver according to claim 1, it is characterised in that: the knife handle is annular hand grip.
3. screwdriver according to claim 1, it is characterised in that: the knife handle is equipped with anti-skid chequer.
4. screwdriver according to claim 1, it is characterised in that: the cutter head front end is coated with magnetosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417356.5A CN109955175A (en) | 2017-12-25 | 2017-12-25 | A kind of screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417356.5A CN109955175A (en) | 2017-12-25 | 2017-12-25 | A kind of screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109955175A true CN109955175A (en) | 2019-07-02 |
Family
ID=67020623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711417356.5A Pending CN109955175A (en) | 2017-12-25 | 2017-12-25 | A kind of screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109955175A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001277142A (en) * | 2000-03-31 | 2001-10-09 | Yoshiaki Kodama | Hand driver |
| CN201895289U (en) * | 2010-11-16 | 2011-07-13 | 吴江市金茂五金有限公司 | Dual-head screwdriver |
| CN203003768U (en) * | 2012-11-16 | 2013-06-19 | 河南省电力公司洛阳供电公司 | Multifunctional screwdriver |
| CN103507006A (en) * | 2013-10-24 | 2014-01-15 | 无锡市前洲康华染整设备厂 | Multifunction portable screwdriver |
| CN204585084U (en) * | 2015-04-03 | 2015-08-26 | 广东梅雁吉祥水电股份有限公司 | A kind of multifunctional screw driver |
| CN105058293A (en) * | 2015-08-21 | 2015-11-18 | 姜超 | Bottle opener convenient to disassemble and assemble |
-
2017
- 2017-12-25 CN CN201711417356.5A patent/CN109955175A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001277142A (en) * | 2000-03-31 | 2001-10-09 | Yoshiaki Kodama | Hand driver |
| CN201895289U (en) * | 2010-11-16 | 2011-07-13 | 吴江市金茂五金有限公司 | Dual-head screwdriver |
| CN203003768U (en) * | 2012-11-16 | 2013-06-19 | 河南省电力公司洛阳供电公司 | Multifunctional screwdriver |
| CN103507006A (en) * | 2013-10-24 | 2014-01-15 | 无锡市前洲康华染整设备厂 | Multifunction portable screwdriver |
| CN204585084U (en) * | 2015-04-03 | 2015-08-26 | 广东梅雁吉祥水电股份有限公司 | A kind of multifunctional screw driver |
| CN105058293A (en) * | 2015-08-21 | 2015-11-18 | 姜超 | Bottle opener convenient to disassemble and assemble |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190702 |