CN202922484U - L-shaped internal hexagonal wrench - Google Patents
L-shaped internal hexagonal wrench Download PDFInfo
- Publication number
- CN202922484U CN202922484U CN 201220666518 CN201220666518U CN202922484U CN 202922484 U CN202922484 U CN 202922484U CN 201220666518 CN201220666518 CN 201220666518 CN 201220666518 U CN201220666518 U CN 201220666518U CN 202922484 U CN202922484 U CN 202922484U
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- CN
- China
- Prior art keywords
- rod
- drive rod
- force application
- driving head
- inner hexagon
- 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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Abstract
The utility model relates to an L-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 and the force exertion rod are vertically and fixedly connected and form an L 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 first driving head used for being matched with the screws, the first driving head is a hexagonal prism rod, and the diameter of the driving rod is greater than or equal to the diameter of a circumcircle of the first driving head. Because the driving rod of the existing L-shaped internal hexagonal wrench is the hexagonal prism rod, the driving rod of the L-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 first driving head, and the first driving head of the L-shaped internal hexagonal wrench is equivalent to the driving rod of the existing L-shaped internal hexagonal wrench. Therefore, the torsion-resistance intensity of the driving rod of the L-shaped internal hexagonal wrench is obviously higher than the torsion-resistance intensity of the existing driving rod, during the screw mounting and dismounting, the driving rod cannot generate the twisting deformation phenomenon, the smooth proceeding of the screw mounting and dismounting 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 L-type inner hexagon spanner.
Background technology
At present, existing L-type inner hexagon spanner comprises force application rod and drive rod, drive rod and force application rod be vertical is fixedly connected with and forms L-type, 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 L-type 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 L-type inner hexagon spanner.
The utility model is to realize like this, a kind of L-type inner hexagon spanner, be used for the dismounting screw, comprise force application rod and drive rod, described drive rod and described force application rod be vertical is fixedly connected with and forms L-type, 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 first driving head of coordinating with screw, described the first 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 the first driving head.
Particularly, 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 the first driving head.
Particularly, the length of described drive rod is 80 ~ 500mm.
Particularly, the length of described the first driving head is 2 ~ 50mm, and the external diameter of a circle of described the first 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 a bending bar, described bending bar is perpendicular to described drive rod, a described bending bar part is fixedly arranged in described force application rod, described bending bar another part stretches out described force application rod, the part that described bending bar stretches out described force application rod is fixedly connected with second driving head that is used for coordinating with screw, and described the second driving head is six prism bars, and the diameter of described bending bar is more than or equal to the external diameter of a circle of described the second driving head.
Further, described bending bar is provided with some hangnails.
Further, described force application rod end is provided with a fixed cover that extends to described drive rod direction, and described fixed cover adapter sleeve is located on described drive rod.
Because the drive rod of existing L-type 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 the first driving head, the first driving head of the present utility model namely is equivalent to the drive rod of existing L-type 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 L-type inner hexagon spanner that provides of the utility model embodiment.
Fig. 2 is the schematic diagram of the another kind of L-type inner hexagon spanner that provides 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 L-type 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 force application rod 11 be vertical is fixedly connected with and forms L-type, drive rod 12 is cylindrical bar, drive rod 12 is installed with one first driving head 13 away from an end of force application rod 11, the first driving head 13 is six prism bars, the first 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 the first driving head 13.
Because the drive rod of existing L-type 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 the first driving head 13, the first driving head 13 of the present utility model namely is equivalent to the drive rod of existing L-type 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 the first driving head 13, the length of the first driving head 13 is that the diameter of preferred the 5 ~ 30m), first driving head 13 of 2 ~ 50mm(is 1～27mm, and drive rod 12 and the first 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, bending bar 14 is perpendicular to drive rod 12, bending bar 14 parts are fixedly arranged in force application rod 11, bending bar 14 another part stretch out force application rod 11, the part that bending bar 14 stretches out force application rod 11 is fixedly connected with second driving head 15 that is used for coordinating with screw, the second driving head 15 is six prism bars, the diameter of bending bar 14 is more than or equal to the external diameter of a circle of the second driving head 15, the second driving head 15 also is equivalent to the drive rod of existing L-type inner hexagon spanner, therefore, the torsional strength of bending bar 14 will be significantly higher than the torsional strength of existing drive rod, when the dismounting screw, bending bar 14 the torsional deformation phenomenon can not occur, guaranteed carrying out smoothly of dismounting screw, improved operating efficiency.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 Figure 2, further, on described bending bar 14, some hangnails 16 can also be set, this hangnail 16 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 L-type inner hexagon spanner when the dismounting screw.
As shown in Figure 2, described force application rod 11 ends are provided with a fixed cover 17 to drive rod 12 directions extensions, fixed cover 17 can be for cylindrical, fixed cover 17 adapter sleeves are located on drive rod 12, fixed cover 17 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 L-type 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. L-type inner hexagon spanner, be used for the dismounting screw, comprise force application rod and drive rod, described drive rod and described force application rod be vertical is fixedly connected with and forms L-type, it is characterized in that, described drive rod is cylindrical bar, and described drive rod is installed with one for the first driving head that coordinates with screw away from an end of described force application rod, described the first 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 the first driving head.
2. L-type inner hexagon spanner according to claim 1, is characterized in that, described drive rod is Metallic rod.
3. the L-type 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 the first driving head.
4. the L-type 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. L-type die nut according to claim 1 and 2, is characterized in that, the length of described the first driving head is 2 ~ 50mm, and the external diameter of a circle of described the first driving head is 1～27mm.
6. L-type 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. L-type 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. L-type inner hexagon spanner according to claim 7, it is characterized in that, the end that described drive rod closes on described force application rod is provided with a bending bar, described bending bar is perpendicular to described drive rod, a described bending bar part is fixedly arranged in described force application rod, described bending bar another part stretches out described force application rod, the part that described bending bar stretches out described force application rod is fixedly connected with second driving head that is used for coordinating with screw, described the second driving head is six prism bars, and the diameter of described bending bar is more than or equal to the external diameter of a circle of described the second driving head.
9. L-type inner hexagon spanner according to claim 8, is characterized in that, described bending bar is provided with some hangnails.
10. L-type inner hexagon spanner according to claim 1 and 2, is characterized in that, described force application rod end is provided with a fixed cover that extends to described drive rod direction, and described fixed cover adapter sleeve is located on described drive rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666518 CN202922484U (en) | 2012-12-06 | 2012-12-06 | L-shaped internal hexagonal wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666518 CN202922484U (en) | 2012-12-06 | 2012-12-06 | L-shaped internal hexagonal wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922484U true CN202922484U (en) | 2013-05-08 |
Family
ID=48212478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220666518 Expired - Fee Related CN202922484U (en) | 2012-12-06 | 2012-12-06 | L-shaped internal hexagonal wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202922484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300319A (en) * | 2020-03-25 | 2020-06-19 | 上海三一重机股份有限公司 | Disassembling tool |
-
2012
- 2012-12-06 CN CN 201220666518 patent/CN202922484U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300319A (en) * | 2020-03-25 | 2020-06-19 | 上海三一重机股份有限公司 | Disassembling tool |
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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 |