CN209894108U - Coaxiality gauge - Google Patents
Coaxiality gauge Download PDFInfo
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- CN209894108U CN209894108U CN201920253752.7U CN201920253752U CN209894108U CN 209894108 U CN209894108 U CN 209894108U CN 201920253752 U CN201920253752 U CN 201920253752U CN 209894108 U CN209894108 U CN 209894108U
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Abstract
The utility model relates to a detection apparatus technical field discloses an utensil is examined to axiality, including rotatory measuring staff, with rotatory measuring staff swing joint's sleeve and with the perpendicular lever percentage table of being connected of rotatory measuring staff, the sleeve outside is provided with block portion, the inside cavity of sleeve is provided with the through-hole, the one end of rotatory measuring staff insert in the through-hole with the lever percentage table is connected, just rotatory measuring staff passes through the through-hole with the sleeve forms to rotate and connects, this simple structure, because block portion and pressure equipment machine guide holder cooperation installation, so in the laminating guide holder notch of block portion, zero the lever percentage table, rotatory measuring staff is in sleeve internal rotation a week, is the axiality of product pressure equipment hole relative pressure equipment machine guide holder notch promptly, and the measurement need not the debugging convenient simply, and measurement repeatability and stability are good moreover.
Description
Technical Field
The utility model relates to a detection apparatus technical field especially relates to an utensil is examined to axiality.
Background
At present, the press fitting of the pipe fitting is a common process in the processing of automobile parts, and the press fitting effect of the pipe fitting is determined by the matching size of the inner diameter of a press fitting hole and the outer diameter of the pipe fitting of a product and the coaxiality of the press fitting hole and the pipe fitting during press fitting. The traditional coaxiality device can only provide rough reference for debugging personnel, but can not provide the coaxiality data of the press mounting hole and the pipe fitting when the press mounting machine is checked and accepted to accurately press mounting, and if the press mounting hole is provided with foreign matters, the coaxiality of the inner diameter and the outer diameter of the press mounting hole can be influenced, so that the coaxiality of the press mounting hole and the pipe fitting needs to be detected before press mounting at each time, and the repeatability and the stability of the traditional coaxiality device are poor.
Disclosure of Invention
Based on this, the utility model aims to provide an utensil is examined to axiality, this axiality examines utensil repeatability and stability good.
The technical scheme of the utility model is that:
the utility model provides an utensil is examined to axiality, includes rotatory measuring staff, with rotatory measuring staff swing joint's sleeve and with the perpendicular lever percentage table of being connected of rotatory measuring staff, the sleeve outside is provided with block portion, the inside cavity of sleeve is provided with the through-hole, the one end of rotatory measuring staff insert in the through-hole with the lever percentage table is connected, just rotatory measuring staff passes through the through-hole with the sleeve forms to rotate and is connected. Rotatory measuring staff passes through the sleeve and is connected with the lever percentage table is perpendicular, rotatory measuring staff rotates at the through-hole and measures, this simple structure, and the sleeve is provided with block portion, cooperate through block portion and pressure equipment machine guide holder notch (the pressure equipment machine guide holder notch that this paper indicates is general pressure equipment machine pressure equipment hole, lower with) and connect, make the axiality data in pressure equipment machine guide holder notch and product pressure equipment hole when providing accurate pressure equipment, still need not the debugging, block portion installs and can measure in pressure equipment machine guide holder notch, make repeatability and stability good.
Preferably, the rotary measuring rod further comprises a limit screw, an annular groove is formed in the other end of the rotary measuring rod, a step is arranged at the top of the sleeve, a threaded hole matched with the limit screw is formed in the step, and the limit screw is inserted into the threaded hole and abutted against the bottom of the annular groove. The present embodiment includes the following advantages: through stop screw and ring channel butt, when rotatory measuring staff rotated, the ring channel was surrounding stop screw and is rotating, played fixed effect, and rotatory measuring staff can keep water flat line to rotate for measured data is accurate.
Preferably, the rotary measuring rod is provided with at least two annular grooves, the groove walls of every two annular grooves, which are overlapped with each other, are provided with openings, the bottom of the limiting screw is provided with a convex part matched with the annular grooves, and the width of the convex part is not more than that of the opening. The present embodiment includes the following advantages: the rotary measuring rod is provided with more than two annular grooves, and the groove walls which coincide with each other between every two annular grooves are provided with openings, namely, the limiting screws can enter the next annular groove through the openings, so that the rotary measuring rod can adjust up and down, the coaxiality of the guide seat notches of the press fitting machines relative to the press fitting holes of the multistage products can be measured, the measuring stability is good, and the measured data is accurate.
Preferably, the convex part is a cylindrical convex part. The present embodiment includes the following advantages: the cylindrical convex part can make the ring channel rotate smoothly, and the diameter of the cylindrical convex part can not change because of the rotation of the limit screw, so that the rotary measuring rod can be ensured to keep horizontal rotation, and the measurement stability is improved.
Preferably, the dial indicator further comprises a connecting rod, and the connecting rod is arranged between the rotary measuring rod and the lever dial indicator. The present embodiment includes the following advantages: make dismouting or change the straightness that hangs down of lever percentage table simply and effectively keep rotatory measuring staff and lever percentage table through this connecting rod.
Preferably, the connecting rod includes lock nut, the one end of connecting rod with the lever percentage table intersect in lock nut, rotatory measuring staff with the one end that the connecting rod is connected is provided with logical groove, it is provided with the screw hole that leads to the rotatory measuring staff outside to lead to the groove wall, the other end of connecting rod inserts it is fixed in through the screw in leading to the inslot rotatory measuring staff. The present embodiment includes the following advantages: one end of the connecting rod is connected with the lever dial indicator through the locking nut, so that the lever dial indicator cannot loosen when the connecting rod rotates, the other end of the connecting rod is inserted into the through groove and fixed through the screw, and the lever dial indicator can also rotate simultaneously when the rotary measuring rod rotates, so that measured data is accurate.
To sum up, the utility model discloses an utensil is examined to axiality, including rotatory measuring staff, with rotatory measuring staff swing joint's sleeve and with the perpendicular lever percentage table of being connected of rotatory measuring staff, this simple structure, because block portion and pressure equipment machine guide holder cooperation installation, so in the block portion laminating guide holder notch, zero setting the lever percentage table, rotatory measuring staff is at sleeve internal rotation a week, is the axiality of product pressure equipment hole relative pressure equipment machine guide holder notch promptly, it need not the debugging convenience simple to measure, and measurement repeatability and stability are good moreover.
Drawings
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a rotary measuring rod according to an embodiment of the present invention;
fig. 3 is a schematic view of a sleeve structure according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a limit screw according to an embodiment of the present invention;
description of reference numerals:
FIG. 1: 100. the device comprises a sleeve, 101, a clamping part, 110, a rotary measuring rod, 120, a lever dial indicator, 130, a limiting screw, 140 and a connecting rod;
FIG. 2: 210. an annular groove 211, an opening 220, a through groove 221 and a screw hole;
FIG. 3: 300. step 301, threaded hole;
FIG. 4: 401. a convex portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, it is a structural schematic diagram of a coaxiality testing fixture of a preferred embodiment of the present invention, a coaxiality testing fixture, including rotatory measuring staff 110, with rotatory measuring staff 110 swing joint's sleeve 100 and with rotatory measuring staff 110 perpendicular lever percentage table 120 of being connected, the sleeve 100 outside is provided with block portion 101, the inside cavity of sleeve 100 is provided with the through-hole, the one end of rotatory measuring staff 110 insert in the through-hole with lever percentage table 120 is connected, just rotatory measuring staff 110 passes through the through-hole with sleeve 100 forms to rotate and is connected. Rotatory measuring staff 110 passes through sleeve 100 and is connected with lever percentage table 120 is perpendicular, rotatory measuring staff 110 rotates at the through-hole and measures, this simple structure, and sleeve 100 is provided with block portion 101, cooperate through block portion 101 and pressure equipment machine guide holder notch and be connected, make the axiality data in pressure equipment machine guide holder notch and product pressure equipment hole when providing accurate pressure equipment, still need not the debugging, block portion 101 is installed and can be measured in pressure equipment machine guide holder notch, make repeatability and stability good.
Referring to fig. 2, 3 and 4, in order to enable the rotary measuring rod 110 to rotate horizontally and improve measurement stability, the measuring device further includes a limit screw 130 in the embodiment, an annular groove 210 is formed at the other end of the rotary measuring rod 110, a step 300 is formed at the top of the sleeve 100, the step 300 is provided with a threaded hole 301 matched with the limit screw 130, and the limit screw 130 is inserted into the threaded hole 301 and abuts against the bottom of the annular groove 210. Through stop screw 130 and ring channel 210 butt, when rotatory measuring staff 110 rotated, ring channel 210 surrounded stop screw 130 and rotated, played fixed effect, and rotatory measuring staff 110 can keep the water flat line to rotate for measured data is accurate.
In order to enable the rotary measuring rod 110 to measure the coaxiality of the press-fitting holes of the multi-stage products, and to enable the measurement stability to be good and the data to be accurate, the rotary measuring rod 110 in this embodiment is provided with at least two annular grooves 210, the groove wall between every two annular grooves 210, which coincides with each other, is provided with an opening 211, the bottom of the limit screw 130 is provided with a convex part 401 matched with the annular groove 210, and the width of the convex part 401 is not greater than the width of the opening 211. The rotary measuring rod 110 is provided with more than two annular grooves 210, and the groove walls which coincide with each other between every two annular grooves 210 are provided with openings 211, namely, the limiting screws 130 can enter the next annular groove 210 through the openings 211, so that the rotary measuring rod can be adjusted up and down, the coaxiality of the notches of the guide seats of the press-fitting machines relative to the press-fitting holes of the multistage products can be measured, the measuring stability is good, and the measured data is accurate.
In order to ensure that the diameter of the convex part 401 does not change and the rotating measuring rod 110 can keep rotating horizontally after being adjusted up and down, the convex part 401 in this embodiment is a cylindrical convex part 401. The cylindrical convex part 401 can enable the annular groove 210 to rotate smoothly, the diameter of the cylindrical convex part 401 cannot be changed due to the rotation of the limiting screw 130, the rotating measuring rod 110 can be ensured to rotate horizontally, and the measuring stability is improved.
In order to simplify the assembly and disassembly of the lever dial indicator 120 and maintain the verticality of the lever dial indicator 120, the present embodiment further includes a connecting rod 140, and the connecting rod 140 is disposed between the rotary measuring rod 110 and the lever dial indicator 120. The connecting rod 140 can be used for simply disassembling or replacing the lever dial indicator 120 and effectively maintaining the verticality of the rotary measuring rod 110 and the lever dial indicator 120.
In order to enable the dial indicator 120 to rotate simultaneously with the rotary measuring rod 110 when rotating, the connecting rod 140 in this embodiment includes a lock nut, one end of the connecting rod 140 intersects with the dial indicator 120 at the lock nut, one end of the rotary measuring rod 110 connected with the connecting rod 140 is provided with a through groove 220, a wall of the through groove 220 is provided with a screw hole 221 directly penetrating the outer side of the rotary measuring rod 110, and the other end of the connecting rod 140 is inserted into the through groove 220 and fixed to the rotary measuring rod 110 through a screw. One end of the connecting rod 140 is connected with the lever dial indicator through a locking nut, so that the lever dial indicator 120 cannot be loosened during rotation, and the other end of the connecting rod 140 is inserted into the through groove 220 and fixed through a screw, so that the lever dial indicator 120 can also rotate simultaneously during rotation of the rotary measuring rod 110, and measured data is accurate.
To sum up, the utility model discloses an utensil is examined to axiality, including rotatory measuring staff 110, with rotatory measuring staff 110 swing joint's sleeve 100 and with rotatory measuring staff 110 perpendicular lever percentage table 120 of being connected, this simple structure, because block portion 101 and pressure equipment machine guide holder cooperation installation, so in block portion 101 laminating guide holder notch, zero setting lever percentage table 120, rotatory measuring staff 110 is in sleeve 100 internal rotation a week, be the axiality of product pressure equipment hole relative pressure equipment machine guide holder notch promptly, it need not the debugging convenience simple to measure, and measurement repeatability and stability are good.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.
Claims (6)
1. The coaxiality detection tool is characterized by comprising a rotary measuring rod, a sleeve and a lever dial indicator, wherein the sleeve is movably connected with the rotary measuring rod, the lever dial indicator is perpendicularly connected with the rotary measuring rod, a clamping portion is arranged on the outer side of the sleeve, a through hole is formed in the sleeve in a hollow mode, one end of the rotary measuring rod is inserted into the through hole and is connected with the lever dial indicator, and the rotary measuring rod is rotatably connected with the sleeve through the through hole.
2. The coaxiality gauge according to claim 1, further comprising a limit screw, wherein an annular groove is formed in the other end of the rotary measuring rod, a step is formed in the top of the sleeve, a threaded hole matched with the limit screw is formed in the step, and the limit screw is inserted into the threaded hole and abuts against the bottom of the annular groove.
3. The coaxiality gauge according to claim 2, wherein the rotary measuring rod is provided with at least two annular grooves, the groove wall of each two annular grooves which is overlapped with each other is provided with an opening, the bottom of the limiting screw is provided with a convex part matched with the annular grooves, and the width of the convex part is not larger than that of the opening.
4. The coaxiality gauge according to claim 3, wherein the convex part is a cylindrical convex part.
5. The coaxiality gauge according to any one of claims 1 to 4, further comprising a connecting rod disposed between the rotary measuring rod and the lever dial indicator.
6. The coaxiality gauge according to claim 5, wherein the connecting rod comprises a locking nut, one end of the connecting rod and the lever dial indicator intersect at the locking nut, a through groove is formed in one end of the rotary measuring rod connected with the connecting rod, a screw hole which is directly communicated with the outer side of the rotary measuring rod is formed in the wall of the through groove, and the other end of the connecting rod is inserted into the through groove and fixed to the rotary measuring rod through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920253752.7U CN209894108U (en) | 2019-02-27 | 2019-02-27 | Coaxiality gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920253752.7U CN209894108U (en) | 2019-02-27 | 2019-02-27 | Coaxiality gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209894108U true CN209894108U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920253752.7U Active CN209894108U (en) | 2019-02-27 | 2019-02-27 | Coaxiality gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209894108U (en) |
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2019
- 2019-02-27 CN CN201920253752.7U patent/CN209894108U/en active Active
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