CN212887369U - Firm screw type screwdriver improves device - Google Patents
Firm screw type screwdriver improves device Download PDFInfo
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- CN212887369U CN212887369U CN202021803670.4U CN202021803670U CN212887369U CN 212887369 U CN212887369 U CN 212887369U CN 202021803670 U CN202021803670 U CN 202021803670U CN 212887369 U CN212887369 U CN 212887369U
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- screw
- screwdriver
- expandable
- sleeve
- head
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- 230000006872 improvement Effects 0.000 claims abstract description 9
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 230000005389 magnetism Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a firm screw type screwdriver improvement device, which comprises a fixing sleeve, a screw cap placing space and an expandable screw fixing head; when the screw is screwed, the screw cap part of the screw is placed in the screw cap placing space, the screw part is placed in the expandable screw fixing head, the tool bit of the screwdriver is placed in the fixing sleeve, the tool bit is contacted with the straight groove or the cross groove in the screw cap, and the branch structure of the expandable screw fixing head is gradually expanded and separated from the screw along with the screwing of the screw; the screw tightening operation can be rapidly completed, and the screw can not fall off in the tightening process.
Description
Technical Field
The utility model belongs to the technical field of the mounting tool, concretely relates to firm screw nail formula screwdriver improves device.
Background
The screwdriver is a tool for screwing a screw to fix the screw, and the screwdriver commonly used at present is composed of a thin wedge-shaped head and a handle main body, wherein the thin wedge-shaped head can be inserted into a slot or a notch of a screw head, and the screw can be fastened by rotating the handle of the screwdriver. At present, the screwdriver on the market mainly has two types, namely a straight type (negative type) and a cross type (positive type). In the use process, the screw is easy to fall off from the screwdriver head due to the shallow slotted hole of the screw, so that the screw fastening work cannot be normally carried out.
The prior art also has the effect of magnetizing the screwdriver head to adsorb the screw on the screwdriver head. But the screw notch is less shallow, and magnetic force can't reach the fixed action, and the condition that the screw dropped very easily takes place in the operation process, and not all screws all can be adsorbed in screwdriver tool bit department by magnet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a firm screw formula screwdriver improves device to among the solution prior art, the problem that the screw drops easily when twisting the screw.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a setscrew driver improvement comprising: the fixing sleeve, the expandable screw fixing head and the screw cap placing space;
the lower end of the fixing head of the expandable screw is a hollow sleeve, and the upper end of the fixing head of the expandable screw is expandable and has a diameter gradually increased to form a horn-shaped opening; the hollow sleeve is fixedly communicated with one end of the screw cap placing space, and the lower end of the screw cap placing space is fixedly communicated with the fixed sleeve;
the extensible screw fixing head is provided with a plurality of grooves, the grooves longitudinally extend from the maximum opening of the horn-shaped opening to the joint of the screw cap placing space and the fixing sleeve, and the grooves divide the extensible screw fixing head into a plurality of branch structures.
Furthermore, the screw cap placing space can be matched with screw caps with any size and shape.
Furthermore, the fixed sleeve is of a cylindrical sleeve structure with magnetism.
Furthermore, the fixing sleeve is used for being sleeved and fixed on a screwdriver head main body for screwing a screw of a screwdriver or a machine tool.
Furthermore, the number of the grooves is 8, and the expandable screw fixing head is divided into 8 branch structures.
Furthermore, the expandable screw fixing head and the screw cap placing space are both made of elastic metal materials.
Further, the inner diameter of the hollow sleeve of the expansible screw fixing head is matched with the diameter of the screw part of the screw.
Furthermore, the central axes of the placing spaces of the fixing sleeve, the expandable screw fixing head and the screw cap are superposed.
The utility model discloses possess following beneficial effect:
1. the utility model provides a firm screw type screwdriver improvement device, which comprises a fixed sleeve, a screw cap placing space and an expandable screw fixing head; when the screw is screwed, the screw cap part of the screw is placed in the screw cap placing space, the screw part is placed in the expandable screw fixing head, the tool bit of the screwdriver is placed in the fixing sleeve, the tool bit is contacted with the straight groove or the cross groove in the screw cap, and the branch structure of the expandable screw fixing head is gradually expanded and separated from the screw along with the screwing of the screw; the screw tightening operation can be rapidly completed, and the screw can not fall off in the tightening process.
2. Through using the embodiment of the utility model provides a firm screw type screwdriver improves the device, can simplify work flow, improves work efficiency to create higher economic benefits.
2. The embodiment of the utility model provides a firm screw nail formula screwdriver improves device can effectually be connected the screw with the tool bit of screwdriver, prevents to cause the condition that the screw dropped to take place at the in-process of twisting the screw, has greatly improved the availability factor of instrument.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of an expandable screw head according to an embodiment of the present invention;
wherein: 1, fixing a sleeve; 2 expandable screw fixing head; 3, placing space for screw caps; 4, a groove; 21 a branched structure; a, a screw cap; and (B) a screw.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
The embodiment of the utility model provides a firm screw formula screwdriver improves device can fix the screw on the screwdriver blade, accomplishes the in-process that the screw fastened, and the condition that can avoid the screw to drop takes place.
As shown in fig. 1 and 2, a setscrew type screwdriver improvement device includes: a fixed sleeve 1, an expandable screw fixed head 2 and a screw cap placing space 3. The fixing sleeve 1 is a cylindrical sleeve structure with magnetism, the fixing sleeve 1 is a body part used for being connected with a screwdriver or a screwdriver head part of a machine tool for screwing screws, the expandable screw fixing head 2 is used for keeping the screws and the screwdriver head connected well in the screw fastening and unscrewing process, and the situation that the screws cannot fall off from the screwdriver head is guaranteed to occur before and after the screws are fastened and unscrewed. The expandable screw fixing head 2 performs a powerful supporting function on the screw.
The screw cap placing space 3 is matched with the shape of the screw cap; is used for fixing the screw cap with any size and shape in the screw cap placing space 3. The expandable screw fixing head 2 and the screw cap placing space 3 are made of elastic metal materials. The inner diameter of the hollow sleeve of the expandable screw fixing head 2 is matched with the diameter of the screw rod part of the screw. The central axes of the fixing sleeve 1, the expandable screw fixing head 2 and the screw cap placing space 3 are superposed.
The lower end of the expandable screw fixing head 2 is a hollow sleeve, the upper end is expandable and the diameter of the expandable screw fixing head is gradually increased to form a horn-shaped opening; the hollow sleeve is fixedly communicated with one end of the screw cap placing space 3, and the lower end of the screw cap placing space 3 is fixedly communicated with the fixed sleeve 1.
Be provided with many slots 4 on expandable screw fixation head 2, slot 4 follows the maximum opening part of loudspeaker form opening vertically extends to the screw cap place space 3 with the junction of fixed sleeve 1, slot 4 will expandable screw fixation head 2 separates into a plurality of branch structures 21, promptly, with the tip of pipe along vertical a plurality of slots that set up, a plurality of slots evenly arrange at the circumference of metal pipe, form a plurality of branching mechanism, outwards turn over this branching mechanism, thereby form loudspeaker form expandable screw fixation head 2. The number of the grooves 4 is preferably 8, and the expandable screw fixing head 2 is divided into 8 branch structures 21.
The embodiment of the utility model provides a firm screw nail formula screwdriver improves the application method of device:
in the use process, aim at expandable screw fixed head 2 with screw cap A of screw, press to expandable screw fixed head 2 is interior, strut expandable screw fixed head 2 for screw cap A places in screw cap placing space 3, makes screw rod B and the laminating of the cavity sleeve pipe of expandable screw fixed head 2, and the tool bit of screwdriver is placed in fixed sleeve pipe 1, and a word groove or the cross recess contact in tool bit and the screw cap A can carry out normal screw operation afterwards. As the fastening depth of the screw is increased, the eight branch structures 21 are expanded to the angle, so as to release the screw, i.e. the screw can be quickly separated from the screw after being fastened to a certain extent, thereby completing the screw fastening operation.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (8)
1. An improved device for a setscrew driver, comprising: a fixing sleeve (1), an expandable screw fixing head (2) and a screw cap placing space (3);
the lower end of the expandable screw fixing head (2) is a hollow sleeve, the upper end is expandable and the diameter of the upper end is gradually increased to form a horn-shaped opening; the hollow sleeve is fixedly communicated with one end of the screw cap placing space (3), and the lower end of the screw cap placing space (3) is fixedly communicated with the fixed sleeve (1);
be provided with many slots (4) on expandable screw fixed head (2), slot (4) are followed loudspeaker form open-ended maximum opening part vertically extends to screw cap place space (3) with the junction of fixed sleeve (1), slot (4) will a plurality of branch structure (21) are separated into in expandable screw fixed head (2).
2. The improved steady screw type screwdriver device according to claim 1, wherein said screw cap placing space (3) is matched with the shape of the screw cap for fixing the screw cap of any size and shape in the screw cap placing space (3).
3. A steady screw screwdriver improvement device according to claim 1, characterized in that said fixation sleeve (1) is a magnetic cylindrical sleeve structure.
4. A setscrew screwdriver improvement device according to claim 3, characterised in that said fixing sleeve (1) is intended to be housed and fixed on the body of the screwdriver or the screwdriver bit of a machine tool.
5. A steady screw screwdriver improvement device according to claim 1, characterized in that said number of grooves (4) is 8, dividing said expandable screw fixation head (2) into 8 branch structures (21).
6. The improved steady screw screwdriver device as recited in claim 1, wherein said expandable screw fixation head (2) and said screw cap placement space (3) are made of elastic metal material.
7. A steady screw screwdriver improvement device as claimed in claim 1 wherein the internal diameter of the hollow sleeve of the expandable screw fixation head (2) matches the diameter of the screw portion of the screw.
8. A steady screw screwdriver improvement device according to claim 1, characterized in that the central axes of said fixation sleeve (1), expandable screw fixation head (2), screw cap placement space (3) coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021803670.4U CN212887369U (en) | 2020-08-25 | 2020-08-25 | Firm screw type screwdriver improves device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021803670.4U CN212887369U (en) | 2020-08-25 | 2020-08-25 | Firm screw type screwdriver improves device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212887369U true CN212887369U (en) | 2021-04-06 |
Family
ID=75250491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021803670.4U Active CN212887369U (en) | 2020-08-25 | 2020-08-25 | Firm screw type screwdriver improves device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212887369U (en) |
-
2020
- 2020-08-25 CN CN202021803670.4U patent/CN212887369U/en active Active
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