CN215639122U - Steel tape capable of accurately measuring inner and outer diameters - Google Patents
Steel tape capable of accurately measuring inner and outer diameters Download PDFInfo
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- CN215639122U CN215639122U CN202121040960.2U CN202121040960U CN215639122U CN 215639122 U CN215639122 U CN 215639122U CN 202121040960 U CN202121040960 U CN 202121040960U CN 215639122 U CN215639122 U CN 215639122U
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- connecting hole
- rivet
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- diameter
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Abstract
The utility model discloses a steel tape capable of accurately measuring the inner diameter and the outer diameter. When measuring the object external diameter, the zero scale of chi area is in couple kink inner wall department, and when measuring the object internal diameter, the zero scale of chi area is in couple kink outer wall department, both can accurate measurement object external diameter, can accurate measurement object internal diameter again.
Description
Technical Field
The utility model belongs to the technical field of measuring tools, and particularly relates to a steel tape capable of accurately measuring the inner diameter and the outer diameter.
Background
The ruler is born along with the birth of human beings, people can not open the ruler in daily life, the ruler is developed from the earliest scale to the graduated scale, from the graduated scale to the folding scale and from the folding scale to the existing steel tape, the steel tape is convenient to carry and use, and various specifications can be used in various occasions. The existing steel tape is only suitable for measuring the outer diameter of an object when the outer diameter of the object needs to be measured, and the steel tape can generate larger errors.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides a steel tape capable of accurately measuring the inner diameter and the outer diameter.
The technical scheme adopted by the utility model is as follows: the utility model provides a can accurate survey steel tape of internal and external diameter, includes the casing, is equipped with the flexible locking piece in chi area access & exit and injecing chi area on the side of casing, and the casing is inside to be equipped with the axis, and the epaxial rotation of axis is provided with the reel, and reel central cavity is equipped with the wind spring, and the reel periphery winding has the chi area, and outside the chi area stretched out the casing from the access & exit, the chi area free end was equipped with couple, characterized by:
the hook comprises a connecting part and a bent part, the bent part is perpendicular to the connecting part, the connecting part is connected to the free end of the tape by a rivet, the connecting part can freely slide on the tape along the length direction of the tape, and the free sliding distance of the connecting part on the tape is the thickness of the bent part;
the ruler belt is provided with scale marks, the zero scale of the scale marks is arranged on the outer side of the free end of the ruler belt, and the distance from the zero scale to the free end point of the ruler belt is the thickness of the bending part.
Further, the connecting portion is provided with a connecting hole, the connecting hole is long in shape along the axial direction of the connecting portion, the width of the connecting hole is the diameter of a rivet, the length of the connecting hole is the sum of the diameter of the rivet and the thickness of the bending portion, the rivet is fixed on the ruler strip and penetrates through the connecting hole to connect the connecting portion to the ruler belt, the connecting portion freely slides within the range of the connecting hole, and the free sliding distance of the connecting portion is the thickness of the bending portion.
Further, a connecting hole is formed in the free end of the ruler tape, the connecting hole is long in strip shape along the length direction of the ruler tape, the width of the connecting hole is the diameter of a rivet, the length of the connecting hole is the sum of the diameter of the rivet and the thickness of the bending portion, the rivet is fixed on the connecting portion and penetrates through the connecting hole to connect the connecting portion to the ruler tape, the connecting portion freely slides within the range of the connecting hole, and the free sliding distance of the connecting portion is the thickness of the bending portion.
Furthermore, the number of the connecting holes is two, and the number of the rivets is two.
When the outer diameter of an object is measured, the bent part of the hook is hung on the outer edge of the object and the ruler tape is tensioned, the bent part of the hook is far away from the ruler tape, and the zero scale of the ruler tape is arranged on the inner wall of the bent part of the hook; when the inner diameter of an object is measured, the bent part of the hook props against the inner edge of the object, the bent part of the hook is abutted against the ruler tape, and the zero scale of the ruler tape is arranged on the outer wall of the bent part of the hook.
The utility model has the beneficial effects that: the hook can slide, so that the zero scale of the ruler belt is positioned on the inner wall of the bent part of the hook when the outer diameter of an object is measured, and is positioned on the outer wall of the bent part of the hook when the inner diameter of the object is measured, the outer diameter of the object can be accurately measured, and the inner diameter of the object can be accurately measured.
Drawings
Fig. 1 is an overall schematic diagram of the present invention.
Fig. 2 shows a first embodiment of the present invention.
FIG. 3 shows a second embodiment of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
See fig. 1 and 2 for a first embodiment.
A steel tape capable of accurately measuring inner and outer diameters comprises a shell 1, a tape inlet and outlet 2 and a locking piece 3 limiting the tape extension are arranged on one side edge of the shell 1, a central shaft is arranged inside the shell 1, a winding drum is rotatably arranged on the central shaft, a coil spring is arranged in a central cavity of the winding drum, a tape 4 is wound on the periphery of the winding drum, the tape 4 extends out of the shell 1 from the inlet and outlet 2, a hook 5 is arranged at the free end of the tape 4, the hook 5 comprises a connecting part 6 and a bending part 7, the bending part 7 is vertical to the connecting part 6, two connecting holes 10 are arranged on the connecting part 6, the connecting holes 10 are axially long-strip-shaped along the connecting part 6, the width of each connecting hole 10 is the diameter of a rivet 8, the length of each connecting hole 10 is the sum of the diameter of the rivet 8 and the thickness of the bending part 7, two rivets 8 are fixed on the tape 4, the connecting part 6 is connected to the tape 4 by penetrating through the two connecting holes 10, and the connecting part 6 freely slides in the range of the connecting holes 10, the free sliding distance of the connecting part 6 is the thickness of the bending part 7; the ruler tape 4 is provided with scale marks 9, the zero scale of the scale marks 9 is arranged on the outer side of the free end of the ruler tape 4, and the distance from the zero scale to the free end point of the ruler tape is the thickness of the bending part 7.
Example two, see fig. 1, 3.
A steel tape capable of accurately measuring inner and outer diameters comprises a shell 1, a tape inlet and outlet 2 and a locking piece 3 limiting the tape extension are arranged on one side edge of the shell 1, a central shaft is arranged inside the shell 1, a winding drum is rotatably arranged on the central shaft, a coil spring is arranged in a central cavity of the winding drum, a tape 4 is wound on the periphery of the winding drum, the tape 4 extends out of the shell 1 from the inlet and outlet 2, a hook 5 is arranged at the free end of the tape 4, the hook 5 comprises a connecting part 6 and a bending part 7, the bending part 7 is vertical to the connecting part 6, two rivets 8 are arranged on the connecting part 6, two connecting holes 10 are arranged on the free end of the tape 4, the connecting holes 10 are long in strip shape along the length direction of the tape 4, the width of each connecting hole 10 is the diameter of the rivet 8, the length of each connecting hole 10 is the sum of the diameter of the rivet 8 and the thickness of the bending part 7, and the two rivets 8 penetrate through the two connecting holes 10 to connect the connecting part 6 to the tape 4, the connecting part 6 freely slides within the range of the connecting hole 10, and the free sliding distance of the connecting part 6 is the thickness of the bending part 7; the ruler tape 4 is provided with scale marks 9, the zero scale of the scale marks 9 is arranged on the outer side of the free end of the ruler tape 4, and the distance from the zero scale to the free end point of the ruler tape is the thickness of the bending part 7.
Claims (4)
1. The utility model provides a can accurate survey steel tape of internal and external diameter, includes the casing, is equipped with the flexible locking piece in chi area access & exit and injecing chi area on the side of casing, and the casing is inside to be equipped with the axis, and the epaxial rotation of axis is provided with the reel, and reel central cavity is equipped with the wind spring, and the reel periphery winding has the chi area, and outside the chi area stretched out the casing from the access & exit, the chi area free end was equipped with couple, characterized by:
the hook comprises a connecting part and a bent part, the bent part is perpendicular to the connecting part, the connecting part is connected to the free end of the tape by a rivet, the connecting part can freely slide on the tape along the length direction of the tape, and the free sliding distance of the connecting part on the tape is the thickness of the bent part;
the ruler belt is provided with scale marks, the zero scale of the scale marks is arranged on the outer side of the free end of the ruler belt, and the distance from the zero scale to the free end point of the ruler belt is the thickness of the bending part.
2. A steel tape measure capable of accurately measuring inner and outer diameters according to claim 1, wherein: the connecting portion is provided with a connecting hole, the connecting hole is long in shape along the axial direction of the connecting portion, the width of the connecting hole is the diameter of a rivet, the length of the connecting hole is the sum of the diameter of the rivet and the thickness of the bending portion, the rivet is fixed on the ruler strip and penetrates through the connecting hole to connect the connecting portion to the ruler belt, the connecting portion freely slides within the range of the connecting hole, and the free sliding distance of the connecting portion is the thickness of the bending portion.
3. A steel tape measure capable of accurately measuring inner and outer diameters according to claim 1, wherein: the connecting hole is arranged at the free end of the ruler belt, the connecting hole is long in strip shape along the length direction of the ruler belt, the width of the connecting hole is the diameter of a rivet, the length of the connecting hole is the sum of the diameter of the rivet and the thickness of the bending portion, the rivet is fixed on the connecting portion, the rivet penetrates through the connecting hole to connect the connecting portion to the ruler belt, the connecting portion freely slides within the range of the connecting hole, and the free sliding distance of the connecting portion is the thickness of the bending portion.
4. A steel tape measure capable of accurately measuring inner and outer diameters according to claim 2 or 3, wherein: the number of the connecting holes is two, and the number of the rivets is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040960.2U CN215639122U (en) | 2021-05-17 | 2021-05-17 | Steel tape capable of accurately measuring inner and outer diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040960.2U CN215639122U (en) | 2021-05-17 | 2021-05-17 | Steel tape capable of accurately measuring inner and outer diameters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215639122U true CN215639122U (en) | 2022-01-25 |
Family
ID=79938349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121040960.2U Active CN215639122U (en) | 2021-05-17 | 2021-05-17 | Steel tape capable of accurately measuring inner and outer diameters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215639122U (en) |
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2021
- 2021-05-17 CN CN202121040960.2U patent/CN215639122U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 150000 xizha village, Xingfu Town, Xiangfang District, Harbin City, Heilongjiang Province Patentee after: Harbin Steamer Machine Zhaoke Manufacturing Co.,Ltd. Address before: 150000 xizha village, Xingfu Town, Xiangfang District, Harbin City, Heilongjiang Province Patentee before: HARBIN TURBINE HOUSING MANUFACTURING CO.,LTD. |