CN201124357Y - Screwdriver head capable of restoring functions after worn - Google Patents
Screwdriver head capable of restoring functions after worn Download PDFInfo
- Publication number
- CN201124357Y CN201124357Y CNU2007200872015U CN200720087201U CN201124357Y CN 201124357 Y CN201124357 Y CN 201124357Y CN U2007200872015 U CNU2007200872015 U CN U2007200872015U CN 200720087201 U CN200720087201 U CN 200720087201U CN 201124357 Y CN201124357 Y CN 201124357Y
- Authority
- CN
- China
- Prior art keywords
- screwdriver head
- screwdriver
- head
- cross
- bottle opener
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A screwdriver head capable of restoring function after abrasion with a columnar shape and a cross or slotted cross section is characterized in that the cross section of the screwdriver head (1) has uniform shape from top to tail; the screwdriver (1) is connected with a screwdriver handle (5) as a whole directly or through a connection rod (2); a slot (3) consistent with the shape of the cross section of the screwdriver is arranged at the middle of the connection rod (2), and the screwdriver head (3) is connected with the connection rod (2) through the slot (3); and a compression groove (4) is arranged on the longitudinal rear end of the connection rod (4). The screwdriver head can be used for tools capable of replacing the screwdriver head, or for screwdriver tools with a screwdriver head and a screwdriver handle fixedly connected as a whole, or for manual screwdriver, or for automatic screwdriver. The screwdriver head has the advantages of improved convenience for users, lowered use and manufacture cost, and prolonged service life.
Description
Technical field
The utility model relates to a kind of screwdriver head, but the screwdriver head of restore funcitons after particularly a kind of wearing and tearing.
Background technology
The instrument of loading and unloading screw has manually and automatic branch, is commonly referred to bottle opener or claims pneumatic screwdriver, screwdriver etc.Manual have fixedly a bottle opener of screwdriver head and the bottle opener of replaceable screwdriver head; Electronic, pneumatic Rotating opener head is arranged automatically or pressure is converted to the Rotating opener head of revolving force mode with manpower.These bottle openers in use, screwdriver head front end cutting edge can constantly be subjected to the effect of the shearing force or the frictional force of screw notch, makes the screwdriver head corner angle constantly wear and tear.More especially do not conform to the use of rule, even bottle opener is used as service life and the effect that usages such as chisel, awl have a strong impact on screwdriver head, though the measured screwdriver head of matter is longer service life, but still in various degree wearing and tearing in can not avoiding using.
Screwdriver head cutting edge all can occur by the phenomenon of blunt rounding after a period of time which kind of bottle opener does not wait between in use, continue to use and the screw slots that skid, lose control of one's feelings to occur, bottle opener skids in screw slots, on tight screw or can not unload any more screw, result of use can be worse and worse, influence operating efficiency, be difficult to really effective use just have only discarded, in addition with new bottle opener.
The utility model content
The purpose of this utility model provide a kind of after using part to be worn front end can recover the screwdriver head of original form and function.
But the screwdriver head of restore funcitons is column after the described wearing and tearing, and its cross sectional shape is cross, in-line, it is characterized in that: described screwdriver head 1 cephalocaudal cross sectional shape is consistent.
Described screwdriver head 1 is connected as a single entity through connecting rod 2 and bottle opener handle 5, or directly and bottle opener handle 5 be connected as a single entity; The central authorities of connecting rod 2 are provided with the slot consistent with the screwdriver head cross sectional shape 3, and screwdriver head links to each other with connecting rod 2 by this slot 3.Connecting rod 2 vertical rear ends are provided with compression groove 4.Screwdriver head 1 cross sectional shape can be cross, triangle, quadrangle, in-line or polygon.
The instrument that described screwdriver head can be used for replaceable screwdriver head also can be used for the bottle opener instrument that screwdriver head and bottle opener handle are fixed as one; Can be used for manual bottle opener and also can be used for automatic bottle opener instrument.
The utility model has the advantages that: provide great convenience to the user, reduce bottle opener and use and manufacturing cost, the service life of continuity bottle opener.
Description of drawings
Fig. 1-1,1-2,1-3 are the utility model structural representations,
Fig. 2-1,2-2,2-3 are the screwdriver head connecting rods that is used for automated tool,
Fig. 3 is a kind of embodiment of manual bottle opener,
Fig. 4 is the embodiment of the manual bottle opener of a kind of screwdriver head changeable type.
Among the figure: 1-screwdriver head, 2-connecting rod, 3-slot, 4-compression groove, 5-bottle opener handle.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified: shown in Fig. 1-1,1-2,1-3, screwdriver head 1 of the present utility model all has can be vacant for the length of repeatedly grinding, its shape of cross section is identical, can be processed into taper in advance at front end, be that front end can be smaller, to adapt to the screw of different sizes, if removable screwdriver head 1, tail end can be processed to be fit to the shape of clamp.Screwdriver head 1 can be a part that is fixed on the manual bottle opener, also can be the removable by the screwdriver head 1 of clamp of removable screwdriver head 1 or automated tool.
After screwdriver head 1 is worn, screwdriver head 1 directly can be ground off screwdriver head 1 front end on abrasive machine or other grinding apparatus, the cutting edge that the appearance of screwdriver head front end is not worn after one section of the cutting edge that is worn grinds off, the instrument of replaceable screwdriver head 1 need be with screwdriver head 1 clamp with automated tool, or the fastening clips of bottle opener handle 5 clamps (Fig. 4) with screwdriver head 1.Show that as Fig. 3 manually bottle opener just can use as new bottle opener again after directly grinding away wearing part, has been ground up to whole screwdriver head.
Show the screwdriver head connecting rod that is used for automated tool at Fig. 2-1,2-2,2-3, screwdriver head connecting rod 2 one ends have compression groove 4 vertically, so that clamping screwdriver head, screwdriver head is never opened the tail end insertion of the blind end of compression groove 4 with screwdriver head 1 during use, adjust the length that front end exposes as required, the openend that the screwdriver head connecting rod has a compression groove 4 by clamp after, can normally use.
The screwdriver head cross section can be a difformity, as in-line, cross commonly used, can be triangle, quadrangle also, can be used for supporting with it triangle or quadrangle screw.
Claims (4)
1. but the screwdriver head of restore funcitons after the wearing and tearing is column, and its cross sectional shape is cross, in-line, it is characterized in that: the cephalocaudal cross sectional shape of described screwdriver head (1) is consistent.
2. but the screwdriver head of restore funcitons after the wearing and tearing according to claim 1 is characterized in that: described screwdriver head (1) is connected as a single entity through connecting rod (2) and bottle opener handle (5), or directly and bottle opener handle (5) be connected as a single entity; The central authorities of connecting rod (2) are provided with the slot consistent with the screwdriver head cross sectional shape (3), and screwdriver head links to each other with connecting rod (2) by this slot (3).
3. but the screwdriver head of restore funcitons after the wearing and tearing according to claim 2 is characterized in that: connecting rod (2) vertically is provided with compression groove (4) in the rear end.
4. but the screwdriver head of restore funcitons after the wearing and tearing according to claim 1 is characterized in that: screwdriver head (1) cross sectional shape can be triangle, quadrangle or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200872015U CN201124357Y (en) | 2007-09-21 | 2007-09-21 | Screwdriver head capable of restoring functions after worn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200872015U CN201124357Y (en) | 2007-09-21 | 2007-09-21 | Screwdriver head capable of restoring functions after worn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201124357Y true CN201124357Y (en) | 2008-10-01 |
Family
ID=39997773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200872015U Expired - Fee Related CN201124357Y (en) | 2007-09-21 | 2007-09-21 | Screwdriver head capable of restoring functions after worn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201124357Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440741A (en) * | 2013-09-17 | 2015-03-25 | 昆山义成工具有限公司 | Novel structure of screwdriver bit |
-
2007
- 2007-09-21 CN CNU2007200872015U patent/CN201124357Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440741A (en) * | 2013-09-17 | 2015-03-25 | 昆山义成工具有限公司 | Novel structure of screwdriver bit |
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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: 20081001 Termination date: 20100921 |