CN202922485U - T-shaped internal hexagonal wrench - Google Patents
T-shaped internal hexagonal wrench Download PDFInfo
- Publication number
- CN202922485U CN202922485U CN 201220666567 CN201220666567U CN202922485U CN 202922485 U CN202922485 U CN 202922485U CN 201220666567 CN201220666567 CN 201220666567 CN 201220666567 U CN201220666567 U CN 201220666567U CN 202922485 U CN202922485 U CN 202922485U
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- China
- Prior art keywords
- rod
- drive rod
- force application
- shaped inner
- driving head
- 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
The utility model relates to a T-shaped internal hexagonal wrench, which is used for dismounting and mounting screws and comprises a force exertion rod and a driving rod, wherein the driving rod is vertically and fixedly connected with the middle of the force exertion rod for forming a T shape, the driving rod is a cylindrical rod, one end of the driving rod far away from the force exertion rod is fixedly provided with a driving head used for being matched with the screw, the driving head is a hexagonal prism rod, and the diameter of the driving rod is greater than or equal to the diameter of an circumcircle of the driving head. Because the driving rod of the existing T-shaped internal hexagonal wrench is the hexagonal prism rod, the driving rod of the T-shaped internal hexagonal wrench is the cylindrical rod, in addition, the diameter of the driving rod is greater than or equal to the diameter of the circumcircle of the driving head, and the driving head of the T-shaped internal hexagonal wrench is equivalent to the driving rod of the existing T-shaped internal hexagonal wrench. Therefore, the torsion-resistance intensity of the driving rod of the T-shaped internal hexagonal wrench is obviously higher than the torsion resistance intensity of the existing driving rod, during the screw dismounting and mounting, the driving rod cannot generate the twisting deformation phenomenon, the smooth proceeding of the screw dismounting and mounting is ensured, and the work efficiency is improved.
Description
Technical field
The utility model belongs to the screw dismounting tool field, relates in particular to a kind of T-shaped inner hexagon spanner.
Background technology
At present, existing T-shaped inner hexagon spanner comprises force application rod and drive rod, drive rod and the middle part of force application rod be vertical be fixedly connected with and form T-shaped, force application rod is used for the staff gripping and to its application of force, drive rod is six prism bars, and namely its cross section is hexagon, when the dismounting screw, drive rod directly coordinates with screw, and staff is to the force application rod application of force, i.e. dismantled and assembled screw.
By analyzing, existing T-shaped inner hexagon spanner has following shortcoming: because drive rod is six prism bars, although it can directly coordinate with screw, easy accessibility, but the drive rod torsional strength of six prism structures is low, when the dismounting screw, the easy torsional deformation of drive rod, dismounting screw smoothly.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of torsional strength high T-shaped inner hexagon spanner.
The utility model is to realize like this, a kind of T-shaped inner hexagon spanner, be used for the dismounting screw, comprise force application rod and drive rod, described drive rod and the middle part of described force application rod be vertical to be fixedly connected with and to form T-shaped, and described drive rod is cylindrical bar, and described drive rod is installed with one away from an end of described force application rod and is used for the driving head that coordinates with screw, described driving head is six prism bars, and the diameter of described drive rod is more than or equal to the external diameter of a circle of described driving head.
Preferably, described drive rod is Metallic rod.
Particularly, the diameter of described drive rod is than the large 0 ~ 5mm of external diameter of a circle of described driving head.
Particularly, the length of described drive rod is 80 ~ 500mm.
Particularly, the length of described driving head is that length is 2 ~ 50mm, and the external diameter of a circle of described driving head is 1～27mm.
Particularly, described force application rod is Metallic rod, described force application rod and drive rod welding or one-body molded.
Particularly, described force application rod is nonmetal bar, and described force application rod and drive rod are bonded together.
Further, the end that described drive rod closes on described force application rod is provided with one or two bending bar, and described bending bar is perpendicular to described drive rod, and described bending bar is fixedly arranged in described force application rod.
Further, described bending bar is provided with some hangnails.
Further, be provided with a fixed cover to described drive rod direction extension in the middle part of described force application rod, described fixed cover adapter sleeve is located on described drive rod.
Because the drive rod of existing T-shaped inner hexagon spanner is six prism bars, and drive rod of the present utility model is cylindrical bar, and the diameter of drive rod is more than or equal to the external diameter of a circle of driving head, driving head of the present utility model namely is equivalent to the drive rod of existing T-shaped inner hexagon spanner, therefore, the torsional strength of drive rod of the present utility model will be significantly higher than the torsional strength of existing drive rod, when the dismounting screw, drive rod the torsional deformation phenomenon can not occur, guarantee carrying out smoothly of dismounting screw, improved operating efficiency.
Description of drawings
In order to be illustrated more clearly in the technical solution of the utility model, the below will do to introduce simply to the accompanying drawing of required use in embodiment, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the T-shaped inner hexagon spanner of the first that provides of the utility model embodiment.
Fig. 2 is the schematic diagram of the T-shaped inner hexagon spanner of the second that provides of the utility model embodiment.
Fig. 3 is the schematic diagram of the third T-shaped inner hexagon spanner of providing of the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, a kind of T-shaped inner hexagon spanner that the utility model embodiment provides, be used for the dismounting screw, it comprises force application rod 11 and drive rod 12, force application rod 11 is for the staff gripping and to its application of force, drive rod 12 and the middle part of force application rod 11 be vertical be fixedly connected with and form T-shaped, drive rod 12 is cylindrical bar, drive rod 12 is installed with a driving head 13 away from an end of force application rod 11, driving head 13 is six prism bars, driving head 13 is used for coordinating with screw, and the diameter of drive rod 12 is more than or equal to the external diameter of a circle of driving head 13.
Because the drive rod of existing T-shaped inner hexagon spanner is six prism bars, and drive rod 12 of the present utility model is cylindrical bar, and the diameter of drive rod 12 is more than or equal to the external diameter of a circle of driving head 13, driving head 13 of the present utility model namely is equivalent to the drive rod of existing T-shaped inner hexagon spanner, therefore, the torsional strength of drive rod 12 of the present utility model will be significantly higher than the torsional strength of existing drive rod, when the dismounting screw, drive rod 12 the torsional deformation phenomenon can not occur, guarantee carrying out smoothly of dismounting screw, improved operating efficiency.
As shown in Figure 1, particularly, described drive rod 12 is Metallic rod, the length of drive rod 12 is 80 ~ 500mm(preferred 80 ~ 220mm), the diameter of drive rod 12 is than the large 0 ~ 5mm of external diameter of a circle of driving head 13, the length of driving head 13 is that 2 ~ 50mm(is preferred 5 ~ 30mm), and the external diameter of a circle of driving head 13 is 1～27mm, and drive rod 12 and driving head 13 are one-body molded.
As shown in Figure 1, particularly, described force application rod 11 can be both Metallic rod, can be also non-Metallic rod.When force application rod 11 was Metallic rod, force application rod 11 and drive rod 12 can weld together or be one-body molded.In the present embodiment, the preferred nonmetal bar of described force application rod 11, force application rod 11 and drive rod 12 are bonded together.In addition, force application rod 11 can and nonmetally be made into various shapes by metal, and force application rod 11 is larger than drive rod 12, and force application rod 11 not only can be used for the application of force, also can be used as metal hammer and nonmetal hammer.
As shown in Figure 2, further, when force application rod 11 is nonmetal bar, the end that drive rod 12 closes on force application rod 11 is provided with a bending bar 14, and bending bar 14 is perpendicular to drive rod 12, and bending bar 14 is fixedly arranged in force application rod 11.As shown in Figure 3, the end that drive rod 12 closes on force application rod 11 also can arrange 14, two bending bars 14 of two bending bars and be symmetrical arranged centered by drive rod 12 perpendicular to 12, two bending bars 14 of drive rod, and two bending bars 14 are fixedly arranged in force application rod 11.During production, force application rod 11 can be coated on drive rod 12 and bending bar 14 by Shooting Technique.The utility model arranges bending bar 14 by the end at drive rod 12, bending bar 14 can make drive rod 12 fix more firmly force application rod 11 is interior, during with hand-drive force application rod 11, force application rod 11 is passed to drive rod 12 by bending bar 14 with torsion, thereby make the dismounting screw easier, saved manpower.
As shown in Fig. 2,3, further, on described bending bar 14, some hangnails 15 can also be set, this hangnail 15 can increase the frictional force between bending bar 14 and force application rod 11, force application rod 11 tightly is coated on bending bar 14, prevent from producing between bending bar 14 and force application rod 11 and become flexible, guaranteed the reliability of T-shaped inner hexagon spanner when the dismounting screw.
As shown in Fig. 2,3, described force application rod 11 middle parts are provided with a fixed cover 16 to drive rod 12 directions extensions, fixed cover 16 can be for cylindrical, fixed cover 16 adapter sleeves are located on drive rod 12, fixed cover 16 can increase the bonding force between force application rod 11 and drive rod 12, prevent from producing between force application rod 11 and drive rod 12 and become flexible, further guaranteed the reliability of T-shaped inner hexagon spanner when the dismounting screw.
The above is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (10)
1. T-shaped inner hexagon spanner, be used for the dismounting screw, comprise force application rod and drive rod, described drive rod and the middle part of described force application rod be vertical be fixedly connected with and form T-shaped, it is characterized in that, described drive rod is cylindrical bar, and described drive rod is installed with one for the driving head that coordinates with screw away from an end of described force application rod, described driving head is six prism bars, and the diameter of described drive rod is more than or equal to the external diameter of a circle of described driving head.
2. T-shaped inner hexagon spanner according to claim 1, is characterized in that, described drive rod is Metallic rod.
3. the T-shaped inner hexagon spanner of stating according to claim 1 and 2 is characterized in that, the diameter of described drive rod is than the large 0 ~ 5mm of external diameter of a circle of described driving head.
4. the T-shaped inner hexagon spanner of stating according to claim 1 and 2 is characterized in that, the length of described drive rod is 80 ~ 500mm.
5. T-shaped die nut according to claim 1 and 2, is characterized in that, the length of described driving head is 2 ~ 50mm, and the external diameter of a circle of described driving head is 1～27mm.
6. T-shaped inner hexagon spanner according to claim 1 and 2, is characterized in that, described force application rod is Metallic rod, described force application rod and drive rod welding or one-body molded.
7. T-shaped inner hexagon spanner according to claim 1 and 2, is characterized in that, described force application rod is nonmetal bar, and described force application rod and drive rod are bonded together.
8. T-shaped inner hexagon spanner according to claim 7, is characterized in that, the end that described drive rod closes on described force application rod is provided with one or two bending bar, and described bending bar is perpendicular to described drive rod, and described bending bar is fixedly arranged in described force application rod.
9. T-shaped inner hexagon spanner according to claim 8, is characterized in that, described bending bar is provided with some hangnails.
10. T-shaped inner hexagon spanner according to claim 1 and 2, is characterized in that, is provided with a fixed cover to described drive rod direction extension in the middle part of described force application rod, and described fixed cover adapter sleeve is located on described drive rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666567 CN202922485U (en) | 2012-12-06 | 2012-12-06 | T-shaped internal hexagonal wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666567 CN202922485U (en) | 2012-12-06 | 2012-12-06 | T-shaped internal hexagonal wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922485U true CN202922485U (en) | 2013-05-08 |
Family
ID=48212479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220666567 Expired - Fee Related CN202922485U (en) | 2012-12-06 | 2012-12-06 | T-shaped internal hexagonal wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202922485U (en) |
-
2012
- 2012-12-06 CN CN 201220666567 patent/CN202922485U/en not_active Expired - Fee Related
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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: 20130508 Termination date: 20131206 |