CN203973462U - Screw-clamped instrument - Google Patents
Screw-clamped instrument Download PDFInfo
- Publication number
- CN203973462U CN203973462U CN201420453758.6U CN201420453758U CN203973462U CN 203973462 U CN203973462 U CN 203973462U CN 201420453758 U CN201420453758 U CN 201420453758U CN 203973462 U CN203973462 U CN 203973462U
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- box body
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- plate
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- 238000005452 bending Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a kind of screw-clamped instrument, comprise clamping plate, fixed bin, spring and anchorage bar, fixed bin comprises box body and fixed bar, box body is provided with a perforation of vertically passing for the knife bar of confession screwdriver, a sidewall in box body is provided with fixed bar, the sidewall that box body is relative with fixed bar is provided with screwed hole, and anchorage bar one end is screwed in box body knife bar is fixed between anchorage bar and fixed bar by screwed hole, and knife bar, fixed bar and anchorage bar are positioned at same plane; Clamping plate comprise two and be arranged in respectively box body and be positioned at the both sides of plane and can rotate relative to box body, two clamping plate include kink and are located at kink and stretch out the intermediate plate of one end of cutter head, clamping plate and box body pivot joint with two intermediate plates when the other end of two kinks of pressing mutually away from; The both ends of the spring respectively one side relative with two clamping plate that are positioned at box body is fixedly connected with.Screw-clamped instrument of the present utility model can assist screwdriver that screw is fixed on to its cutter head place.
Description
Technical field
The utility model relates to a kind of clamping tool, particularly a kind of for be set on the knife bar of screwdriver for screw being fixed on to the screw-clamped instrument on driver bit.
Background technology
Relay protection maintenance work often needs dismounting screw; because the installation site hand of some screw reaches; although convenient when tearing open; but when installation is gone back because holding with hand steered; the magnetic force of depending merely on driver bit can not well keep the stable of screw, and the installation of screw is taken time and effort very much.
Utility model content
Problem to be solved in the utility model is that a kind of screw-clamped instrument that can assist screwdriver screw to be fixed on to its cutter head place is provided.
In order to address the above problem, the utility model provides a kind of screw-clamped instrument, and for being set in the knife bar of screwdriver, to assist screwdriver screw to be fixed on to the cutter head place of screwdriver, described screw-clamped instrument comprises clamping plate, fixed bin, spring and anchorage bar,
Described fixed bin comprises box body and fixed bar, the roof of described box body offers one for the vertical perforation of passing of knife bar for screwdriver with all corresponding on diapire, a sidewall in described box body is provided with the fixed bar of vertical this sidewall, the relative corresponding screwed hole that offers of a sidewall of sidewall with described fixed bar is set of described box body, described anchorage bar is provided with the external screw thread for being threaded with described screwed hole, described anchorage bar one end screws in described box body by described screwed hole and is positioned at the knife bar of described box body to the ejection of described fixed bar direction, knife bar is fixed between described anchorage bar and fixed bar, the other end of described anchorage bar is positioned at outside described box body, described knife bar, fixed bar and anchorage bar are positioned at same plane,
Described clamping plate comprise two, it is arranged in respectively that described box body is positioned at the both sides of described plane and taking the knife bar of described screwdriver as the setting of axle mirror image, and can rotate relative to described box body, two described clamping plate include two ends all stretch out the kink outside box body and be located at described kink stretch out described cutter head one end for cooperatively interacting with the intermediate plate of clamping screw, described clamping plate and described box body pivot joint with two intermediate plates when the other end of two described kinks of pressing mutually away from;
Described spring is located in described box body, its two ends respectively one side relative with two clamping plate that are positioned at described box body are fixedly connected with, and in the time unclamping the other end of two described kinks, two clamping plate rotate to drive two intermediate plates mutually near to clamp described screw under the elastic force effect of spring.
As preferably, described kink includes the first plate arm and the second plate arm, the length of described the first plate arm is longer than the length of the second plate arm, described the first plate arm and the second plate arm arrange to form bending in obtuse angle, when two described clamping plate are fixed by fixed bin and described knife bar, two described the second plate arms are expand outwardly horn-like, two described the first plate arms are expand outwardly horn-like, so that while pressing two described the second plate arms two the first plate arms can be mutually away from, the free end of two described the first plate arms all stretches out outside described cutter head, described intermediate plate is vertical described knife bar length direction all.
As preferably, described fixed leg is the arc surface coordinating with described knife bar for the end face of one end with the knife bar butt that is positioned at described box body.
As preferably, described anchorage bar is aerofoil profile screw.
The beneficial effect of screw-clamped instrument of the present utility model is, this screw-clamped instrument by arranging perforation on fixed bin, the knife bar of screwdriver can be penetrated in fixed bin, namely make fixed bin can be set on this knife bar, in addition because these clamping plate have kink and can cooperatively interact with the intermediate plate of clamping screw, therefore while pressing one end of kink, its other end that is connected with intermediate plate is away from knife bar, now screw can be installed on the cutter head of screwdriver, then unclamp one end of kink, its other end that is provided with intermediate plate under the restoring force of spring drives mutually near so that by screw-clamped, make on the stable cutter head that is fixed on screwdriver of screw, now can be by screw-in firm screw to the screw hole of installation place without hand steered screw, convenient and strength-saving, and this screw-clamped instrument applicability is strong, all adaptive with various conventional screwdrivers, all same desirable to the clamping effect of screw.
Brief description of the drawings
Fig. 1 is the structural representation after screw-clamped instrument of the present utility model is connected with screwdriver.
Fig. 2 is the clamp region schematic diagram of screw-clamped instrument of the present utility model.
Fig. 3 is the part perspective view of screw-clamped instrument of the present utility model.
Fig. 4 is the internal structure schematic diagram (wherein simultaneously showing anchorage bar) of the fixed bin of screw-clamped instrument of the present utility model.
Reference numeral:
1-screwdriver; 2-knife bar; 3-cutter head; 4-clamping plate; 5-fixed bin; 6-spring; 7-anchorage bar; 8-box body; 9-fixed bar; 10-perforation; 11-screwed hole; 12-perforate; 13-intermediate plate; 14-through hole; 15-turning cylinder; 16-the first plate arm; 17-the second plate arm; 18-screw.
Detailed description of the invention
Below in conjunction with accompanying drawing, screw-clamped instrument of the present utility model is described in detail.
As depicted in figs. 1 and 2, the utility model discloses a kind of screw-clamped instrument, for being set in the knife bar 2 of screwdriver 1, to assist screwdriver 1 screw 18 to be fixed on to cutter head 3 places of screwdriver 1, this screw-clamped instrument comprises clamping plate 4, fixed bin 5, spring 6 and anchorage bar 7;
In conjunction with Fig. 3 and Fig. 4, fixed bin 5 comprises box body 8 and fixed bar 9, in the present embodiment, this box body 8 is rectangular-shaped, its roof and the equal corresponding vertical perforation of passing 10 of knife bar 2 for confession screwdriver 1 that offers on diapire (being the Zuo Bi shown in Fig. 1 and You Bi), on one sidewall of box body 8 interior length directions, be vertically provided with a fixed bar 9, a sidewall corresponding the offer screwed hole 11 relative with this fixed bar 9 on box body 8, anchorage bar 7 is provided with the external screw thread for being threaded with screwed hole 11, anchorage bar 7 in the present embodiment is aerofoil profile screw, specifically referring to Fig. 3.One end of this anchorage bar 7 screws in box body 8 by screwed hole 11, and be positioned at the knife bar 2 of box body 8 to fixed bar 9 direction ejections, it is fixed between anchorage bar 7 and the end of fixed bar 9, preferably, for fixing better knife bar 2, fixed bar 9 is the arc surface coordinating with knife bar 2 for the end face of one end with knife bar 2 butts that are positioned at box body 8.Wherein, this knife bar 2, fixed bar 9 and anchorage bar 7 are positioned at same plane, and roof and the diapire of the vertical box body 8 of this plane, and the both sides that the roof of box body 8 and diapire are positioned at this plane are corresponding is respectively provided with perforate 12, for wearing of clamping plate 4, limit the scope that clamping plate 4 rotate relative to box body 8 simultaneously.
Continue in conjunction with Fig. 1, clamping plate 4 comprise two, it is arranged in box body 8 by above-mentioned perforate 12 respectively and taking the knife bar 2 of screwdriver 1 as the setting of axle mirror image, this two clamping plates 4 include two ends all stretch out the kink of box body 8 and be located at this kink stretch out one end outside cutter head 3 for cooperatively interacting with the intermediate plate 13 of clamping screw 18, clamping plate 4 are provided with the through hole 14 that runs through its two ends, bending place in its bending place, in through hole 14, be equipped with two ends and all stretch out the turning cylinder 15 of through hole 14, it is interior rear by turning cylinder 15 and box body 8 pivot joints that clamping plate 4 penetrate box body 8 by above-mentioned perforate 12, namely the two ends of this turning cylinder 15 are fixedly connected with the two side on box body 8 length directions respectively, while making the other end of two kinks of pressing, two clamping plate 4 relatively rotate axle 15 rotate to drive two intermediate plates 13 mutually away from, be positioned between the one side that two clamping plate 4 of box body 8 are relative and be also fixed with spring 6, namely the two ends of spring 6 respectively the one side relative with two clamping plate 4 that are positioned at box body 8 be fixedly connected with, in the time unclamping the other end of two kinks, two clamping plate 4 under the elastic force effect of spring 6, relatively rotate that axle 15 rotates so that in two intermediate plates 13 away from state mutually near with clamping screw 18.
Particularly, in the present embodiment, above-mentioned clamping plate 4 include the first plate arm 16 and the second plate arm 17, the length of the first plate arm 16 is longer than the length of the second plate arm 17 and is all rectangle (certainly, the second plate arm 17 also can be square), the first plate arm 16 and the second plate arm 17 arrange to form bending in obtuse angle, the above-mentioned junction of being located at the first plate arm 16 and the second plate arm 17 for wearing the through hole 14 of turning cylinder 15.When two clamping plates 4 is fixing by fixed bin 5 and knife bar 2, referring to Fig. 1, two relative knife bars 2 of the second plate arm 17 are expand outwardly horn-like, the same knife bar 2 relatively of the first plate arm 16 is expand outwardly horn-like, so that while pressing two the second plate arms 17 two the first plate arms 16 can be mutually away from, all to moving away from the direction of knife bar 2, the free end of two the first plate arms 16 all stretches out outside cutter head 3 and is fixedly connected with two intermediate plates 13 respectively, and two intermediate plates 13 are the length direction of vertical knife bar 2 all.
When concrete operations, first fixed bin 5 is set on the knife bar 2 of screwdriver 1 and along knife bar 2 to moving away from one end of cutter head 3 by the perforation 10 arranging on it, when intermediate plate 13 stops mobile fixed bin 5 during near cutter head 3, anchorage bar 7 is established to the knife bar 2 that threaded one end screws in box body 8 by screwed hole 11 and is positioned at box body 8 to fixed bar 9 direction pushing tows, until this knife bar 2 is fixed between one end of anchorage bar 7 and fixed bar 9 arc surfaces, then press the second plate arm 17 of two clamping plate 4, make it mutually close, spring 6 compresses, the first plate arm 16 with intermediate plate 13 away from knife bar 2, now screw 18 is placed in to cutter head 3 places of screwdriver 1, unclamp two the second plate arms 17, spring 6 resiliences, two clamping plate 4 relatively rotate axle 15 and rotate under the elastic force effect of spring 6, make two second plate arms 17 mutually away from reset, the first plate arm 16 and intermediate plate 13 are drawn close mutually, to moving near knife bar 2 directions, so that two intermediate plates 13 coordinate clamping screw 18, after being firmly fixed on cutter head 3, this screw 18 just can carry out the installation of screw 18.
Adopt screw-clamped instrument of the present utility model, can assist screwdriver 1 fast power-saving screw 18 is attached in the screw hole of installation place, without holding or help screw 18, for the time has been saved in the installment work of screw 18, reduced workload, and this screw-clamped tool construction is simple, easy accessibility, applicability is strong, the screwdriver 1 of the adaptive various routines of energy.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can, in essence of the present utility model and protection domain, make various amendments or be equal to replacement the utility model, this amendment or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.
Claims (4)
1. a screw-clamped instrument, for being set in the knife bar of screwdriver, to assist screwdriver screw to be fixed on to the cutter head place of screwdriver, is characterized in that, described screw-clamped instrument comprises clamping plate, fixed bin, spring and anchorage bar,
Described fixed bin comprises box body and fixed bar, the roof of described box body offers one for the vertical perforation of passing of knife bar for screwdriver with all corresponding on diapire, a sidewall in described box body is provided with the fixed bar of vertical this sidewall, the relative corresponding screwed hole that offers of a sidewall of sidewall with described fixed bar is set of described box body, described anchorage bar is provided with the external screw thread for being threaded with described screwed hole, described anchorage bar one end screws in described box body by described screwed hole and is positioned at the knife bar of described box body to the ejection of described fixed bar direction, knife bar is fixed between described anchorage bar and fixed bar, the other end of described anchorage bar is positioned at outside described box body, described knife bar, fixed bar and anchorage bar are positioned at same plane,
Described clamping plate comprise two, it is arranged in respectively that described box body is positioned at the both sides of described plane and taking the knife bar of described screwdriver as the setting of axle mirror image, and can rotate relative to described box body, two described clamping plate include two ends all stretch out the kink outside box body and be located at described kink stretch out described cutter head one end for cooperatively interacting with the intermediate plate of clamping screw, described clamping plate and described box body pivot joint with two intermediate plates when the other end of two described kinks of pressing mutually away from;
Described spring is located in described box body, its two ends respectively one side relative with two clamping plate that are positioned at described box body are fixedly connected with, and in the time unclamping the other end of two described kinks, two clamping plate rotate to drive two intermediate plates mutually near to clamp described screw under the elastic force effect of spring.
2. screw-clamped instrument according to claim 1, it is characterized in that, described kink includes the first plate arm and the second plate arm, the length of described the first plate arm is longer than the length of the second plate arm, described the first plate arm and the second plate arm arrange to form bending in obtuse angle, when two described clamping plate are fixed by fixed bin and described knife bar, two described the second plate arms are expand outwardly horn-like, two described the first plate arms are expand outwardly horn-like, so that while pressing two described the second plate arms two the first plate arms can be mutually away from, the free end of two described the first plate arms all stretches out outside described cutter head, described intermediate plate is vertical described knife bar length direction all.
3. screw-clamped instrument according to claim 1, is characterized in that, described fixed leg is the arc surface coordinating with described knife bar for the end face of one end with the knife bar butt that is positioned at described box body.
4. screw-clamped instrument according to claim 1, is characterized in that, described anchorage bar is aerofoil profile screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453758.6U CN203973462U (en) | 2014-08-12 | 2014-08-12 | Screw-clamped instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453758.6U CN203973462U (en) | 2014-08-12 | 2014-08-12 | Screw-clamped instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973462U true CN203973462U (en) | 2014-12-03 |
Family
ID=51970946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420453758.6U Active CN203973462U (en) | 2014-08-12 | 2014-08-12 | Screw-clamped instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973462U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048757A (en) * | 2018-09-27 | 2018-12-21 | 南京工业职业技术学院 | A kind of new type auto centering screwdriver |
| CN109202796A (en) * | 2018-11-28 | 2019-01-15 | 四川九洲电器集团有限责任公司 | A kind of screwdriver with clamping function |
| CN110900505A (en) * | 2019-10-27 | 2020-03-24 | 北京点域科技有限公司 | Dismounting device for printing machine |
| CN112247908A (en) * | 2020-10-10 | 2021-01-22 | 江西洪都航空工业集团有限责任公司 | A dropproof screw assembly and disassembly tools for narrow and small space |
-
2014
- 2014-08-12 CN CN201420453758.6U patent/CN203973462U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048757A (en) * | 2018-09-27 | 2018-12-21 | 南京工业职业技术学院 | A kind of new type auto centering screwdriver |
| CN109048757B (en) * | 2018-09-27 | 2024-05-14 | 南京工业职业技术学院 | Novel automatic righting screwdriver |
| CN109202796A (en) * | 2018-11-28 | 2019-01-15 | 四川九洲电器集团有限责任公司 | A kind of screwdriver with clamping function |
| CN110900505A (en) * | 2019-10-27 | 2020-03-24 | 北京点域科技有限公司 | Dismounting device for printing machine |
| CN112247908A (en) * | 2020-10-10 | 2021-01-22 | 江西洪都航空工业集团有限责任公司 | A dropproof screw assembly and disassembly tools for narrow and small space |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |