CN217504586U - Device for simply measuring effective thread length and bottom hole depth of threaded hole - Google Patents
Device for simply measuring effective thread length and bottom hole depth of threaded hole Download PDFInfo
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- CN217504586U CN217504586U CN202220733991.4U CN202220733991U CN217504586U CN 217504586 U CN217504586 U CN 217504586U CN 202220733991 U CN202220733991 U CN 202220733991U CN 217504586 U CN217504586 U CN 217504586U
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Abstract
The utility model provides a simple device for measuring the effective thread length and the bottom hole depth of a threaded hole, which comprises a vertically arranged measuring rod, wherein the upper end of the measuring rod is provided with a handle, the lower end of the measuring rod is provided with a triangle, the triangle is connected with the lower end surface of the measuring rod through one edge, the triangle is provided with at least one angle which protrudes out of the side end of the measuring rod, and the angle of the protruded angle is less than or equal to 60 degrees; the measuring rod is also provided with a vernier which moves along the length direction of the measuring rod, and the vernier comprises a plane which can be in contact with the end face passing surface of the screw hole. The effective thread length of screw can be surveyed, the bottom hole degree of depth of screw can be measured again, especially to the screw that has the bottom hole measure more convenient.
Description
Technical Field
The utility model relates to an effective thread length of screw detects, especially relates to a simply measure device of effective thread length of screw hole and bottom hole degree of depth.
Background
At present, in the mechanical detection field, the fit precision of screw threads is usually detected by means of a thread go-no go gauge of corresponding specifications, and the measurement aiming at effective thread length and screw bottom hole depth is mainly measured by means of a universal measuring tool such as a vernier caliper and a depth gauge, so that the measurement of the effective thread length and the screw bottom hole depth cannot be realized, the measurement efficiency and the accuracy are low, and the measurement of large batch screw holes is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a simple and easy device of measuring effective thread length of screw hole and bottom outlet degree of depth can survey the effective thread length of screw, can measure the bottom outlet degree of depth of screw again, and it is more convenient especially to measure the screw that has the bottom outlet.
The technical scheme of the utility model is that: a device for simply measuring the effective thread length and the bottom hole depth of a threaded hole comprises a vertically arranged measuring rod, wherein a handle is arranged at the upper end of the measuring rod, a triangle is arranged at the lower end of the measuring rod and is connected with the lower end face of the measuring rod through one side, at least one angle of the triangle protrudes out of the side end of the measuring rod, and the angle of the protruding angle is less than or equal to 60 degrees; the measuring rod is also provided with a vernier which moves along the length direction of the measuring rod, and the vernier comprises a plane which can be in contact with the end face passing surface of the screw hole.
The triangle is a right-angled triangle, one right-angled side of the triangle is connected with the lower end face of the measuring rod, and the other right-angled side of the triangle is on the same straight line with the side end of the measuring rod.
The length of the triangular protrusion measuring rod side end is at least 2mm-15 mm.
A scale with the minimum scale of 0.2mm is symmetrically arranged along the length of the measuring rod. The measuring accuracy is high, and the measuring device is convenient and suitable for large thread measurement.
Two scales with the minimum scale of 0.2mm are symmetrically arranged along the length of the measuring rod. The scale is convenient to read.
Two measuring scales with the minimum scale of 0.2mm are symmetrically arranged along the length of the measuring rod.
The handle is provided with anti-skid grains, or the handle is a ratchet-shaped handle. The up-and-down movement operation of the measuring device in the measuring process is facilitated.
The vernier comprises two clamping blocks clamped on the measuring rod, the clamping blocks are fixedly connected through the connecting blocks, one clamping block is provided with a threaded hole facing the measuring rod, and a screw is arranged in the threaded hole; the lower end surfaces of the two clamping blocks are planes, are the surfaces of the lowest ends of the cursors and are planes which are in contact with the end surfaces of the screw holes through the surfaces.
The beneficial effects of the utility model, the utility model discloses a simple and easy screw degree of depth measuring device has stronger practicality, and the measuring stick lower extreme is provided with triangle-shaped, and triangle-shaped is connected with the terminal surface under the measuring stick through a limit, and triangle-shaped has a protruding measuring stick side in angle at least, and the angle at outstanding angle is less than or equal to 60 for measuring device's the triangle-shaped inclined plane is passed through to the lower extreme, is difficult to hit the triangle-shaped taper hole inclined plane of screw bottom hole, conveniently finds the tool withdrawal groove, both conveniently measure the effective thread length of screw, conveniently measure the screw bottom hole degree of depth again.
The device of this application can realize the measurement work to the screw thread effective length and the bottom opening degree of depth of multiple specification, polytype screw work piece, when promoting inspection efficiency, detection accuracy also obtains great improvement. The method can also measure the effective thread length and the bottom hole depth of special-shaped workpiece screw holes (such as irregular box part screw holes, thin-wall part screw holes, crankshaft part screw holes and the like).
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a thread effective length measurement;
FIG. 3 is a schematic view of a thread hole bottom hole depth measurement;
in the figure, 1-measuring rod, 2-measuring scale, 3-handle, 4-triangle, 5-vernier, 6 plane, 7 fixture block, 8 screw, 9 bottom hole, 10 bottom hole tool withdrawal groove and 11 bottom hole side wall.
Detailed Description
While the invention has been described in connection with certain specific embodiments and embodiments as illustrated in the accompanying drawings, it is to be understood that the same is by way of illustration and description only and is not to be taken by way of limitation, as numerous non-essential changes and modifications may be made by those skilled in the art without departing from the scope of the invention as set forth below. In the present invention, unless otherwise explicitly specified and limited, technical terms used in the present application shall have the ordinary meaning as understood by those skilled in the art to which the present invention pertains.
As shown in fig. 1, a device for simply measuring the effective thread length and the bottom hole depth of a threaded hole comprises a vertically arranged measuring rod 1, wherein a handle 3 is arranged at the upper end of the measuring rod 1, a triangle 4 is arranged at the lower end of the measuring rod, the triangle 4 is connected with the lower end surface of the measuring rod 1 through one edge, at least one angle of the triangle protrudes out of the side end of the measuring rod, and the angle of the protruded angle is less than or equal to 60 degrees; the measuring rod is also provided with a vernier 5 moving along the length direction of the measuring rod, and the vernier 5 comprises a plane 6 which can be in contact with the end face passing surface of the screw hole.
The length of the triangle 4 protruding beyond the side end of the measuring stick is at least 2mm-15 mm.
A scale with the minimum scale of 0.2mm is symmetrically arranged along the length of the measuring rod. The measuring accuracy is high, and the measuring device is convenient and suitable for large thread measurement.
Two scales with the minimum scale of 0.2mm are symmetrically arranged along the length of the measuring rod. The scale is convenient to read.
Two measuring scales 2 with the minimum scale of 0.2mm are symmetrically arranged along the length of the measuring rod.
The handle 3 is provided with anti-skid grains or the handle is a ratchet-shaped handle. The up-and-down movement operation of the measuring device in the measuring process is facilitated.
The vernier 5 comprises two clamping blocks 7 clamped on the measuring rod, the clamping blocks 7 are fixedly connected through a connecting block, a threaded hole facing the measuring rod is formed in one clamping block, and a screw 8 is arranged in the threaded hole; the lower end surfaces of the two clamping blocks are planes, are the surfaces of the lowest ends of the cursors and are planes 6 which are in contact with the end surfaces of the screw holes through the surfaces.
The connecting part of the triangle 4 and the lower end surface of the measuring rod 1 through one edge is zero scale. The scale is directly read by convenient measurement.
The effective thread length of the screw hole and the depth of the thread bottom hole can be determined by sliding the vernier.
The utility model discloses a use method:
as shown in fig. 2 and 3, the threads of fig. 2 and 3 are not shown, but are only schematic and do not affect the description. Vertically placing a measuring device into the bottom hole 9 of the screw hole 6 to be measured, enabling the angle of the triangle 4 protruding out of the side end of the measuring rod 1 to abut against the side wall 11 of the bottom hole, walking upwards or downwards along the side wall 11 of the bottom hole, walking upwards without moving, and sliding a vernier 5 to the upper end face of the screw hole to measure the effective thread length A; and (5) moving downwards and keeping the position, wherein the depth measured from the sliding vernier 5 to the upper end surface of the screw hole is the depth B of the bottom hole of the screw hole.
The taper hole below the bottom hole 9 is a bottom hole tool withdrawal groove 10.
The beneficial effects of the utility model, the utility model discloses a simple and easy screw degree of depth measuring device has stronger practicality, and the measuring stick lower extreme is provided with triangle-shaped, and triangle-shaped is connected with the terminal surface under the measuring stick through a limit, and triangle-shaped has a protruding measuring stick side in angle at least, and the angle at outstanding angle is less than or equal to 60 for measuring device's the triangle-shaped inclined plane is passed through to the lower extreme, is difficult to hit the triangle-shaped taper hole inclined plane of screw bottom hole, conveniently finds the tool withdrawal groove, both conveniently measure the effective thread length of screw, conveniently measure the screw bottom hole degree of depth again.
The device of this application can realize the measurement work to the screw thread effective length and the bottom opening degree of depth of multiple specification, polytype screw work piece, when promoting inspection efficiency, detection accuracy also obtains great improvement. The measurement of the effective thread length and the bottom hole depth of the special-shaped workpiece screw hole (such as the screw hole of an irregular box part, the screw hole of a thin-wall part, the screw hole of a crankshaft part and the like) can be realized.
The above description is only for the preferred embodiment of the present invention, but not for all embodiments, the protection scope of the present invention is not limited thereto, and the technical features of the above-mentioned embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features of the above-mentioned embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present description should be considered as the scope of the present description. When the technical solutions are contradictory or cannot be combined, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention. It should be noted that those skilled in the art and any person skilled in the art can equally replace or change the technical solution of the present invention and the inventive concept and make various changes and improvements without departing from the spirit of the present invention and the principles of the present invention, which should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a device of effective thread length of simple and easy measurement screw hole and bottom outlet degree of depth which characterized in that: the measuring device comprises a vertically arranged measuring rod, wherein a handle is arranged at the upper end of the measuring rod, a triangle is arranged at the lower end of the measuring rod, the triangle is connected with the lower end face of the measuring rod through one side edge, at least one angle of the triangle protrudes out of the side end of the measuring rod, and the angle of the protruding angle is less than or equal to 60 degrees; the measuring rod is also provided with a vernier which moves along the length direction of the measuring rod, and the vernier comprises a plane which can be in contact with the end face of the screw hole through surface.
2. The apparatus of claim 1 for simple measurement of effective thread length and bottom hole depth of a threaded hole, wherein: the triangle is a right-angled triangle, one right-angled side of the triangle is connected with the lower end face of the measuring rod, and the other right-angled side of the triangle is on the same straight line with the side end of the measuring rod.
3. The apparatus of claim 1 for simple measurement of effective thread length and bottom hole depth of a threaded hole, wherein: the length of the triangular protrusion measuring rod side end is at least 2mm-15 mm.
4. The apparatus of claim 1 for simple measurement of effective thread length and bottom hole depth of a threaded hole, wherein: a scale with the minimum scale of 0.2mm is symmetrically arranged along the length of the measuring rod.
5. The device for easily measuring the effective thread length and the bottom hole depth of the threaded hole according to claim 4, is characterized in that: two scales with the minimum scale of 0.2mm are symmetrically arranged along the length of the measuring rod.
6. The apparatus of claim 5 for easily measuring the effective thread length and the depth of the bottom hole of the threaded hole, wherein: two measuring scales with the minimum scale of 0.2mm are symmetrically arranged along the length of the measuring rod.
7. The device for easily measuring the effective thread length and the bottom hole depth of the threaded hole according to claim 1, wherein: the handle is provided with anti-skid grains, or the handle is a ratchet-shaped handle.
8. The apparatus of claim 1 for simple measurement of effective thread length and bottom hole depth of a threaded hole, wherein: the vernier comprises two clamping blocks clamped on the measuring rod, the clamping blocks are fixedly connected through the connecting blocks, one clamping block is provided with a threaded hole facing the measuring rod, and a screw is arranged in the threaded hole; the lower end surfaces of the two clamping blocks are planes, are the surfaces of the lowest ends of the cursors and are planes which are in contact with the end surfaces of the screw holes through the surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220733991.4U CN217504586U (en) | 2022-03-31 | 2022-03-31 | Device for simply measuring effective thread length and bottom hole depth of threaded hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220733991.4U CN217504586U (en) | 2022-03-31 | 2022-03-31 | Device for simply measuring effective thread length and bottom hole depth of threaded hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217504586U true CN217504586U (en) | 2022-09-27 |
Family
ID=83347290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220733991.4U Active CN217504586U (en) | 2022-03-31 | 2022-03-31 | Device for simply measuring effective thread length and bottom hole depth of threaded hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217504586U (en) |
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2022
- 2022-03-31 CN CN202220733991.4U patent/CN217504586U/en active Active
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