CN212778996U - Device for detecting taper of slotted plate-shaped accessory counter bore and length of head riveting body - Google Patents
Device for detecting taper of slotted plate-shaped accessory counter bore and length of head riveting body Download PDFInfo
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- CN212778996U CN212778996U CN202021190983.7U CN202021190983U CN212778996U CN 212778996 U CN212778996 U CN 212778996U CN 202021190983 U CN202021190983 U CN 202021190983U CN 212778996 U CN212778996 U CN 212778996U
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Abstract
The utility model discloses a device for detecting the taper of a slotted plate-shaped accessory counter bore and the length of a head riveting body, which comprises a micrometer and a detection tool, wherein one end of the detection tool is a detection head in the shape of a round platform, and the surface of the other end of the detection tool is provided with an assembly hole; during detection, the detection head extends into the countersunk hole of the strip-shaped accessory, the taper of the detection head is consistent with that of the countersunk hole of the strip-shaped accessory standard component, and the micrometer screw of the micrometer extends into the assembly hole; the assembling hole is circular, and the area of the assembling hole is matched with the area of the end face of the micrometer screw of the micrometer. Can turn into the counter sink tapering of the lath form accessory that is difficult to measure and confirm whether the counter sink tapering and the head riveting body length of lath form accessory meet the requirements through detecting head riveting body length h2, be convenient for detect, it is simple and convenient quick to operate, has strengthened the tapering of lath form accessory counter sink and the detection of head riveting body length.
Description
Technical Field
The utility model belongs to in the field that machine part detected, concretely relates to lath form accessory counter sink tapering and head riveting body length detection device.
Background
At present, when a countersunk head rivet is used for riveting two lath-shaped accessories which rotate relatively, the matching between the rivet and the riveting hole of the lath-shaped accessories is crucial to the riveting quality of the lath-shaped accessories, and on the premise that the rivet meets the requirement, for the lath-shaped accessories, the factors influencing the riveting quality are (as shown in fig. 2) the hole diameter D of the riveting hole, the length of a riveting body (the length of a head riveting body h2+ the length of a tail riveting body h3), the hole diameter D of the countersunk head and the taper theta. The hole diameter d of the riveting hole and the length h3 of the tail riveting body are easy to detect and control, while the taper theta of the counter bore and the length h2 of the head riveting body are difficult to measure and control. If the taper of the counter bore is not matched with the taper of the rivet head, the contact stress surface between the rivet head and the strip-shaped accessory is reduced, the pressure between the contact surfaces is increased, and the wear is easy to occur, so that the radial and axial matching between the rivet and the strip-shaped accessory is loosened due to the wear, and the riveting between the accessories is not tight and firm any more; if the length of the head riveting body is too long, the length of the rivet is too short, the pressure between the riveted accessories is increased, the abrasion between the accessories is increased due to the increase of friction force, the relative rotation between the accessories is difficult, and even the relative rotation cannot be realized in serious cases; if the length of the head rivet body is too short, which means that the length of the rivet is too long, the riveted part can move axially while rotating radially around the rivet, which not only increases the abrasion of the rivet and the part, but also is not beneficial to the stability of the operation of the part.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slat form accessory counter sink tapering and head riveting body length detection device through the tapering of strengthening the slat form accessory counter sink and the detection of head riveting body length, guarantees that the tapering and the head riveting body length in slat form accessory counter sink meet the requirements, has reduced the wearing and tearing of rivet and accessory, does benefit to accessory moving stability.
In order to achieve the purpose, the utility model provides a device for detecting the taper of a strip-shaped accessory counter bore and the length of a head riveting body, which comprises a micrometer and a detection tool, wherein one end of the detection tool is a detection head in the shape of a round table, and the surface of the other end of the detection tool is provided with an assembly hole; during detection, the detection head extends into the countersunk hole of the strip-shaped accessory, the taper of the detection head is consistent with that of the countersunk hole of the strip-shaped accessory standard component, and the micrometer screw of the micrometer extends into the assembly hole.
Preferably, the assembly hole is circular, and the area of the assembly hole is matched with the area of the end face of the micrometer screw of the micrometer.
Preferably, the shape of the detection head matches the countersunk hole of the lath-like fitting.
Further, the device also comprises a base, wherein the base is a switch type magnetic base and is used for fixing the detection device on the inspection bench.
Further, the tool holder is used for connecting the micrometer and the base.
Preferably, the upper part of the tool rack is an inclined panel with an inclined elevation angle, and the bottom part of the tool rack is a horizontal panel.
Preferably, the tilt angle of elevation of the tilt panel is 45 degrees.
The utility model provides a pair of lath form accessory counter sink tapering and head riveting body length-detecting device has following beneficial effect:
1. one end of the detection tool is a standard conical round table detection head which is processed tightly, the detection head is inserted into a countersunk hole at one end of a riveting hole of a lath-shaped accessory to be detected during detection, an assembly hole is processed at the other end of the detection tool, and the detection head is directly arranged on a measuring head at one side of a micrometer during detection, so that the detection is facilitated;
2. the method can convert the counter sink taper of the lath-shaped accessory which is difficult to measure into the method for determining whether the counter sink taper of the lath-shaped accessory and the length of the head riveting body meet the requirements by detecting the length h2 of the head riveting body, is convenient to detect, is simple, convenient and quick to operate, and enhances the detection of the counter sink taper of the lath-shaped accessory and the length of the head riveting body;
3. the tool rack and the base are additionally arranged, the tool rack connects the detection tool, the micrometer and the base, and detection can be facilitated; the top end of the tool rack is provided with an inclined panel inclined at an elevation angle of 45 degrees, and when the tool rack is operated and used in an inclined state, the tool rack is more comfortable to operate, and a micrometer is convenient to assemble, adjust and use; the bottom of the tool rack is a horizontal panel, so that the tool rack can be firmly installed and fixed on the base;
4. the base is designed to be a switch type magnetic base, and the detection device can be conveniently and firmly fixed on any position of the inspection bench for detection.
Drawings
Fig. 1 is a schematic structural view of a device for detecting a countersunk taper and a head-riveted length of a lath-shaped fitting according to the present embodiment.
Fig. 2 is a schematic structural view of a lath-shaped fitting in the present embodiment.
Fig. 3 is a schematic structural diagram of the detection tool in this embodiment.
Fig. 4 is a schematic diagram illustrating the detection of the taper of the countersunk head hole and the length of the head rivet of the strip-shaped fitting according to the present embodiment.
Fig. 5 is a schematic structural view of a tool holder according to the present embodiment.
In the figure:
1. the detection tool comprises a detection tool 1-1, a detection head 1-2, an assembly hole 2, a micrometer 3, a tool rack 3-1, an inclined panel 3-2, a horizontal panel 4, a base 5, a strip-plate-shaped accessory 5-1, a riveting hole 5-2 and a counter bore.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the present invention will be further described in detail with reference to the following embodiments.
As shown in figure 1, the device for detecting the taper of the countersunk hole of the strip-shaped accessory and the length of the head riveting body comprises a detection tool 1 and a micrometer 2, and a tool rack 3 and a base 4 can be additionally arranged.
As shown in fig. 2, the strip-shaped fitting has a through-hole 5-1, the hole diameter of the hole is D, one end (right side in fig. 2) of the hole is a counter bore 5-2, the taper of the counter bore 5-2 is θ and the diameter of the counter bore is D, the length of the head riveting hole is H, the length of the counter bore is H1, the length of the head riveting body is H2, the length of the tail riveting head is H3, and the length of the head riveting hole is the sum of the taper length H1 and the length H2 of the head riveting body.
As shown in fig. 2-4, one end (left side in fig. 3) of the detection tool 1 is processed into a detection head 1-1 in the shape of a standard circular truncated cone, the size of the detection head 1-1 is matched with that of a standard strip-shaped fitting counter bore 5-2, and the detection head 1-1 is inserted into the counter bore 5-2 at one end (right side in fig. 2) of a riveting hole 5-1 of a strip-shaped fitting 5 to be detected during detection; the other side (as the right side of the figure 3) of the detection tool 1 is provided with an assembly hole 1-2, a micrometer screw rod 2 extends into the assembly hole 1-2 during detection, so that detection is facilitated, the assembly hole 1-2 is a cylindrical hole, the area of the circular bottom surface of the assembly hole 1-2 is matched with the area of the end surface of the micrometer screw rod 2, and the micrometer screw rod of the micrometer screw rod 2 extends into the assembly hole 1-2 and stops extending after reaching the bottom surface of the assembly hole 1-2.
When the hole diameter D, the counter bore diameter D and the counter bore taper theta of the lath-shaped fitting are determined numerical values, the length H1 of the counter bore is determined, and when the length H of the head riveting hole is determined, the length H2 of the head riveting body is H-H1, and the length H2 of the head riveting body is determined. Under the condition that the numerical values of the hole diameter D and the countersunk diameter D are not changed, if the numerical value of the countersunk taper theta is changed, the length h1 of the countersunk hole is changed, and therefore the numerical value of the length h2 of the head rivet is changed, and whether the countersunk taper theta of the strip-shaped fitting meets the requirement can be determined by detecting whether the length h2 of the head rivet meets the requirement.
During detection, one side (the left side in fig. 4) of the strip-shaped accessory 5 far away from the counter bore 5-2 is aligned with the measuring anvil of the micrometer 2, the detection head 1-1 of the detection tool 1 extends into the counter bore 5-2 of the strip-shaped accessory 5, the micrometer screw extends into the assembly hole 1-2 of the detection tool 1, when the knob of the micrometer 2 is rotated, the micrometer screw drives the whole detection tool 1 to move until the strip-shaped accessory 5 contacts the measuring anvil, and the length is measured.
As shown in fig. 1 and 5, the top end of the tool holder 3 is an inclined panel 3-1 inclined at an elevation angle of 45 degrees, when the tool holder is operated and used, the tool holder is more comfortable to operate, the micrometer 2 is convenient to assemble and adjust, the bottom of the tool holder 3 is a horizontal panel 3-2, the inclined panel 3-1 is provided with a mounting hole, so that the micrometer 2 is convenient to assemble and use, the horizontal panel 3-2 is provided with a mounting hole, the tool holder 3 can be firmly and fixedly mounted on the base 4, and the tool holder 3 connects the detection tool 1, the micrometer 2 and the base 4, so that the detection can be convenient.
The base 4 is designed as a switch type magnetic base, and can conveniently and firmly fix the detection device on any position of the inspection bench for detection.
The method for detecting the taper of the countersunk hole of the lath-shaped accessory and the length of the head riveting body comprises the following steps:
(1) the micrometer screw rod of the micrometer 2 extends into an assembling hole 1-2 of the detection tool 1, the anvil of the micrometer 2 is aligned with the detection head 1-1 of the detection tool 1, when the knob of the micrometer 2 is rotated, the micrometer screw rod drives the whole detection tool 1 to move until the end face of the detection head 1-1 of the detection tool 1 contacts the anvil of the micrometer 2, the micrometer 2 is used for measuring the distance between the end face of the micrometer screw rod of the micrometer 2 and the end face of the detection head 1-1 of the detection tool 1, and the obtained distance value is a detection tool length value L1;
(2) aligning one side (as the left side in fig. 4) of the strip-shaped accessory 5 far away from the counter sink 5-2 with a measuring anvil of the micrometer 2, enabling a detecting head 1-1 of the detecting tool 1 to extend into the counter sink 5-2 of the strip-shaped accessory 5 to be detected, enabling a micrometer screw to extend into an assembling hole 1-2 of the detecting tool 1, driving the whole detecting tool 1 to move by the micrometer screw when a knob of the micrometer 2 is rotated until the strip-shaped accessory 5 to be detected contacts the measuring anvil, and measuring the distance between the end face of the micrometer screw and the end face of one side, far away from the counter sink 5-2, of the strip-shaped accessory 5 to be detected by using the micrometer 2, wherein the obtained distance value is a total length value L2;
(3) calculating the difference between the total length value L2 and the detection tool length value L1, and comparing the obtained difference with the head rivet length h 2:
if L2-L1 > h2, the taper of the counter sink of the strip-shaped fitting to be tested is too large, or the length of the head riveting body is too long due to too shallow depth of the counter sink;
if L2-L1 is less than h2, the taper of the counter sink of the strip-shaped fitting to be tested is too small, or the length of the head riveting body is too short due to too deep depth of the counter sink;
if L2-L1 is h2, the taper of the counter bore of the strip-shaped fitting to be tested meets the requirement, and the length of the head riveting body also meets the requirement.
The inventive concept is explained in detail herein using specific examples, and the above description of the embodiments is only used to help understand the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A device for detecting the taper of a slotted plate-shaped accessory counter bore and the length of a head riveting body comprises a micrometer and is characterized by further comprising a detection tool, wherein one end of the detection tool is a detection head in a circular truncated cone shape, and an assembly hole is formed in the surface of the other end of the detection tool; during detection, the detection head extends into the countersunk hole of the strip-shaped accessory, the taper of the detection head is consistent with that of the countersunk hole of the strip-shaped accessory standard component, and the micrometer screw of the micrometer extends into the assembly hole.
2. The detection device according to claim 1, wherein the assembly hole is circular, and the area of the assembly hole is matched with the area of the end face of the micrometer screw of the micrometer.
3. The inspection device of claim 1, wherein the inspection head is shaped to match the countersunk hole of the lath-like fitting.
4. The testing device of claim 1, further comprising a base, wherein the base is a switch-type magnetic base for securing the testing device to the testing table.
5. The apparatus of claim 4, further comprising a tool holder for connecting the micrometer and the base.
6. The inspection device of claim 5, wherein the upper portion of the tool holder is a tilted panel having a tilted elevation angle, and the bottom portion of the tool holder is a horizontal panel.
7. The detection device according to claim 6, wherein the tilt angle of the tilt panel is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021190983.7U CN212778996U (en) | 2020-06-23 | 2020-06-23 | Device for detecting taper of slotted plate-shaped accessory counter bore and length of head riveting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021190983.7U CN212778996U (en) | 2020-06-23 | 2020-06-23 | Device for detecting taper of slotted plate-shaped accessory counter bore and length of head riveting body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778996U true CN212778996U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021190983.7U Active CN212778996U (en) | 2020-06-23 | 2020-06-23 | Device for detecting taper of slotted plate-shaped accessory counter bore and length of head riveting body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212778996U (en) |
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2020
- 2020-06-23 CN CN202021190983.7U patent/CN212778996U/en active Active
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