CN102107411A - Combined screw driver - Google Patents
Combined screw driver Download PDFInfo
- Publication number
- CN102107411A CN102107411A CN2009102516324A CN200910251632A CN102107411A CN 102107411 A CN102107411 A CN 102107411A CN 2009102516324 A CN2009102516324 A CN 2009102516324A CN 200910251632 A CN200910251632 A CN 200910251632A CN 102107411 A CN102107411 A CN 102107411A
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- Prior art keywords
- cutter head
- storage device
- combined
- head storage
- handle
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A combined screw driver comprises a plurality of tool bits and a handle, wherein, a rod body is arranged on the handle, and the tool bits can be installed on the rod body; each tool bit takes the shape of the periphery of a polygon; an inner polygonal cavity matched with each tool bit in shape is formed at the front end of the rod body; and a permanent magnet is also arranged at the bottom of the cavity. In the combined screw driver, the inner polygonal cavity is formed at the front part of the rod body of the handle of the screw driver so as to lead each tool bit to take shape of the periphery of a polygon, so that each tool bit and the rod body can be clamped together in a matched manner; and meanwhile, the bottom of the cavity is also provided with the permanent magnet, and the tool bits can be absorbed firmly, so that the tool bits can be installed conveniently and rapidly, and the structure is simple.
Description
Technical field
The present invention relates to a kind of hardware ﹠ tools, relate in particular to a kind of combined screwdriver.
Background technology
Screwdriver is a kind ofly to be used for twisting screw to force its instrument in place, and a thin sphenocephaly is arranged usually, can insert in the line of rabbet joint or recess of screw cap, also claims by " screwdriver ".Mainly contain two kinds of a word (negative sign) and crosses (positive sign).Common hex(agonal)screw cutter in addition, hexagonal and outer-hexagonal are two kinds in comprising.Screwdriver generally is divided into normal screws cutter and combined screwdriver, the normal screws cutter is that a handle is made screwdriver together, prepares easily, can use as long as just take out, but, need to prepare various screwdriver sometimes because screw has a variety of different lengths and rugosity.And combined screwdriver is a kind of screwdriver that screw screwdriver bit and handle are separated, and when dissimilar screws is installed, only needs change the screw screwdriver bit just passable, does not need to prepare and carry a large amount of screwdrivers, and its benefit is to save the space, but loses the screw screwdriver bit easily.
Chinese invention patent (CN1489510A), a kind of combined screwdriver is disclosed, comprise elongate housing with a plurality of pipe tunnels, a plurality of driver bits, a plurality of elongate slide member, cutter head adds clamping unit and sleeve, the combined screwdriver of this kind, its cutter head clamping unit has the chamber that is communicated with the center through hole of described clamping unit front portion, described clamping unit is fixedly connected on the described shell, described cutter head clamping unit passes described center through hole and stretches out in described extended position, described clamping unit has at least one and radially extends otch, and it is connected the outer surface of described center through hole with the described front portion of described clamping unit; Also have a plurality of locking elements that are arranged on one to one in each described otch, described otch has one at least, is not difficult to find out this kind combination screw driver, and its structure is complicated, and cost is higher, lacks the market competitiveness.
Therefore, how to design a kind of simple in structure, combined screwdriver becomes the problem that the present invention will solve cheaply.
Summary of the invention
At the demand, the invention provides a kind of improved combined screwdriver, overcome whole or most distinct disadvantage of the prior art.
A kind of combined screwdriver of the present invention comprises a plurality of cutter heads, handle, wherein, handle is provided with the body of rod that cutter head can be installed, described cutter head is the polygon peripheral shape, and described lever front end has the inner polygon cavity that is complementary with the cutter head shape, and this cavity bottom also is provided with permanent magnet.
In a preferred embodiment of the present invention, described cutter head is a hexagonal perimeter shape.
In a preferred embodiment of the present invention, also be provided with the cutter head storage device on the described body of rod.
In a preferred embodiment of the present invention, described cutter head storage device is provided with a plurality of cutter head storage holes, is used to place cutter head.
In a preferred embodiment of the present invention, described cutter head storage device is detachable installation.
In a preferred embodiment of the present invention, described cutter head storage device middle part is provided with the through hole with body of rod coupling.
In a preferred embodiment of the present invention, described cutter head storage device adopts elastomeric material to make.
In a preferred embodiment of the present invention, described cutter head storage holes is a circular apertures.
In a preferred embodiment of the present invention, the diameter of described cutter head storage holes is slightly less than the diameter of cutter head.
The combined screwdriver that the present invention discloses has following advantage, the body of rod front portion of screw driver handle is provided with the inner polygon cavity, cutter head is manufactured the polygon peripheral shape, the cutter head and the body of rod can be fastened togather with mating, cavity bottom also has permanent magnet simultaneously, cutter head firmly can be held, realize installing easily and fast cutter head, and simple in structure; In addition, a cutter head storage device is set on the body of rod of screw driver handle, the cutter head of every kind of model can directly be positioned in the storage holes of cutter head storage device, and cutter head is difficult for losing; And the cutter head storage device is a rubber unit, and the elasticity by rubber self can realize the screwdriver storage, and simple and convenient, cost is lower, meets the needs of market competition; And this storage device is detachable, when this device influence operation, can directly it be unloaded, and is convenient and practical.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the schematic diagram before the assembling of embodiment of the invention combined screwdriver;
Fig. 2 is the schematic diagram after the assembling of embodiment of the invention combined integral screw driver;
Fig. 3 is the schematic diagram of embodiment of the invention cutter head storage device;
Among the figure, the 1st, handle, the 2nd, cutter head storage device, the 3rd, hexagon cutter head, 11 bodies of rod, the 12nd, hexagonal cavities, the 21st, through hole, the 22nd, cutter head storage holes.
The specific embodiment
In order to make those skilled in the art person understand technical scheme of the present invention better, and above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with embodiment and embodiment accompanying drawing.
As shown in Figure 1, schematic diagram for embodiment of the invention combined screwdriver, the body of rod 11 front portions of screw driver handle 1 are provided with inner polygon cavity 12, cutter head is manufactured the polygon peripheral shape, the cutter head 2 and the body of rod 11 can be fastened togather with mating, cavity 12 bottoms also have the permanent magnet (not shown) simultaneously, cutter head firmly can be held, realized installing easily and fast cutter head, and simple in structure, as a preferential embodiment of the present invention, described cutter head is a hexagonal perimeter shape, and described body of rod inner chamber 12 is the hexagon shape also, adopts hexagonal benefit to be to make the cutter head and the body of rod to engage better.
As shown in Figure 2, be the schematic diagram after the assembling of embodiment of the invention combined screwdriver, in embodiments of the present invention, screwdriver comprises that mainly a plurality of cutter heads 3, these cutter heads are dissimilar cutter heads 3, criticize cutter head, little crosspoint tip screwdriver cutter head, grand cross as little flat blade screwdriver cutter head, spread-eagel and criticize cutter head, because cutter head is of a great variety, does not enumerate one by one at this, can freely cooperate according to different needs; Handle 1, the body of rod 11 that handle 1 is provided with, the body of rod 11 front ends can be installed different cutter head 3, in addition, the cutter head storage device 2 that can place cutter head 3 also is installed, on the body of rod 11 when cutter head 3 does not use, can directly be positioned in this device, convenient and practical, be difficult for omitting cutter head.
As Fig. 2 and shown in Figure 3, Fig. 2 is the schematic diagram of embodiment cutter head storage device, and cutter head storage device 2 is provided with cutter head storage holes 22 among the figure, is used to place various round cutter heads 3, and this cutter head storage device 2 adopts the elastomeric material manufacturing to process, vertical institute is known, and elastomeric material itself has elasticity definitely, again, in the embodiment of the invention, the aperture of cutter head storage holes 22 is slightly less than the diameter of cutter head 3 itself, utilizes the elasticity of rubber itself, and cutter head is fixed in the cutter head storage device 2 effectively.
Please continue to consult Fig. 3, in the figure, cutter head storage device middle part is provided with through hole 21, by cooperating of through hole 21 and the handle body of rod 11, cutter head storage device 2 is removably installed on the handle body of rod 11, when this device influence operation, can directly it be unloaded, convenient and practical.
The combined screwdriver that the present invention discloses has following advantage, the body of rod front portion of screw driver handle is provided with the inner polygon cavity, cutter head is manufactured the polygon peripheral shape, the cutter head and the body of rod can be fastened togather with mating, cavity bottom also has permanent magnet simultaneously, cutter head firmly can be held, realize installing easily and fast cutter head, and simple in structure; In addition, a cutter head storage device is set on the body of rod of screw driver handle, the cutter head of every kind of model can directly be positioned in the storage holes of cutter head storage device, and cutter head is difficult for losing; And the cutter head storage device is a rubber unit, and the elasticity by rubber self can realize the screwdriver storage, and simple and convenient, cost is lower, meets the needs of market competition; And this storage device is detachable, when this device influence operation, can directly it be unloaded, and is convenient and practical.
The above only is the specific embodiment of the present invention.Protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (9)
1. a combined screwdriver comprises a plurality of cutter heads, handle, wherein, handle is provided with the body of rod that cutter head can be installed, and it is characterized in that, described cutter head is the polygon peripheral shape, described lever front end has the inner polygon cavity that is complementary with the cutter head shape, and this cavity bottom also is provided with permanent magnet.
2. combined screwdriver according to claim 1 is characterized in that, described cutter head is a hexagonal perimeter shape.
3. according to the arbitrary described combined screwdriver of claim 1-2, it is characterized in that, also be provided with the cutter head storage device on the described body of rod.
4. combined integral screw driver according to claim 3 is characterized in that, described cutter head storage device is provided with a plurality of cutter head storage holes, is used to place cutter head.
5. combined screwdriver according to claim 3 is characterized in that, described cutter head storage device is detachable installation.
6. combined screwdriver according to claim 5 is characterized in that, described cutter head storage device middle part is provided with the through hole with body of rod coupling.
7. combined screwdriver according to claim 3 is characterized in that, described cutter head storage device adopts elastomeric material to make.
8. combined screwdriver according to claim 3 is characterized in that, described cutter head storage holes is a circular apertures.
9. combined screwdriver according to claim 3 is characterized in that, the diameter of described cutter head storage holes is slightly less than the diameter of cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102516324A CN102107411A (en) | 2009-12-29 | 2009-12-29 | Combined screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102516324A CN102107411A (en) | 2009-12-29 | 2009-12-29 | Combined screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102107411A true CN102107411A (en) | 2011-06-29 |
Family
ID=44171753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102516324A Pending CN102107411A (en) | 2009-12-29 | 2009-12-29 | Combined screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102107411A (en) |
-
2009
- 2009-12-29 CN CN2009102516324A patent/CN102107411A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110629 |