CN111692953A - Threaded hole measuring tool with depth go-no go gauge - Google Patents
Threaded hole measuring tool with depth go-no go gauge Download PDFInfo
- Publication number
- CN111692953A CN111692953A CN202010690121.9A CN202010690121A CN111692953A CN 111692953 A CN111692953 A CN 111692953A CN 202010690121 A CN202010690121 A CN 202010690121A CN 111692953 A CN111692953 A CN 111692953A
- Authority
- CN
- China
- Prior art keywords
- gauge
- thread
- threaded hole
- depth
- screw thread
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/204—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures of screw-threads
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a threaded hole measuring tool with a depth go-no go gauge, belongs to threaded hole measuring tools, and solves the problems of low measuring accuracy and efficiency of the traditional measuring tool. This instrument includes that the screw thread leads to rule gauge head, screw thread no-go gauge head, handle and stop collar, the screw thread lead to the rule gauge head, the one end of screw thread no-go gauge head be connected with the both ends of handle respectively, stop collar movable sleeve establish at the middle part of screw thread lead to rule gauge head, just one side of stop collar is equipped with the reference surface, and the opposite side is equipped with first step face and second step face, the distance between first step face and the second step face equals the screw thread degree of depth tolerance size of corresponding screw hole, screw thread lead to rule gauge head middle part be equipped with the calibration face, the distance between calibration face and the screw thread lead to rule gauge head terminal surface equals the screw thread degree of depth and the thickness sum of stop collar of corresponding screw hole. The threaded hole measuring tool disclosed by the invention can be used for measuring the thread precision and the thread depth of a threaded hole at the same time, so that the working efficiency is effectively improved.
Description
Technical Field
The invention relates to a threaded hole measuring tool, in particular to a threaded hole measuring tool with a depth go-no-go gauge.
Background
In the machining process of the cylinder head, threaded holes such as M8, M10, M12 and the like are usually drilled on an air inlet and exhaust surface, a front end surface, a rear end surface, a top surface and the like, so that the subsequent assembly and use are convenient, for example: and parts such as an air inlet pipe, an exhaust pipe, a cylinder cover, a lifting lug and the like are installed. In the process of carrying out three-checking by machining, in order to accurately and quickly measure the effective depth and the thread precision of a common threaded hole and avoid the problem of batch unqualified, a simple and convenient measuring tool is needed. At present, a vernier caliper and a thread plug gauge which are used in a production field are matched to detect thread tapping depth and thread precision, the process is complicated, the accuracy rate is low, field production cannot be effectively guided in time, and quality judgment and production efficiency in a machining production process are influenced; and the result can be obtained only through multiple conversions, so that the working efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a threaded hole measuring tool with a depth go-no go gauge, which can measure the thread precision and depth of a threaded hole simultaneously and effectively improve the working efficiency.
The technical scheme of the invention is as follows: the utility model provides a take screw hole measuring tool of no-go gage is led to degree of depth, includes that the screw thread leads to rule gauge head, screw thread no-go gage gauge head, handle and stop collar, the one end of screw thread lead to rule gauge head, screw thread no-go gage gauge head be connected with the both ends of handle respectively, stop collar movable sleeve establish in the middle part of screw thread lead to rule gauge head, just one side of stop collar is equipped with the reference surface, and the opposite side is equipped with first step face and second step face, the distance between first step face and the second step face equals the screw thread depth tolerance size of corresponding screw hole, screw thread lead to rule gauge head middle part be equipped with the calibration face, the distance between calibration face and the screw thread lead to rule gauge head terminal surface equals the screw thread depth of corresponding screw hole and the.
As a further improvement, the thread go gauge measuring head and the thread no-go gauge measuring head are inserted into the handle, and the thread go gauge measuring head, the thread no-go gauge measuring head and the handle are in interference fit.
Furthermore, the outer walls of the handle and the limiting sleeve are all processed with patterns.
Furthermore, a chamfer surface is formed on the thread gauge measuring head on one side of the calibration surface.
Furthermore, the periphery of the limiting sleeve is screwed with a fixing screw.
Furthermore, a sinking groove is formed in the middle of the measuring head of the thread go gauge, and the fixing screw is inserted in the sinking groove.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
according to the threaded hole measuring tool, the threaded through gauge measuring head and the threaded no-go gauge measuring head are respectively arranged at the two ends of the handle, after the threaded through gauge measuring head is screwed into the threaded hole, the two step surfaces of the limiting sleeve are compared with the calibration surface to judge whether the thread depth is qualified, and the threaded no-go gauge measuring head is screwed into the threaded hole to judge whether the no-go gauge is passed, so that the purpose of simultaneously measuring the thread precision and the depth of the threaded hole is achieved, the measuring precision is guaranteed, and meanwhile, the working efficiency is effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a thread gauge head according to the present invention;
FIG. 3 is a schematic structural view of a stop collar of the present invention;
fig. 4 is an enlarged schematic view of a part of the structure of the connection of the stop collar in the invention.
Wherein: 1-a thread go gauge measuring head, 2-a thread no-go gauge measuring head, 3-a handle, 4-a limiting sleeve, 5-a reference surface, 6-a first step surface, 7-a second step surface, 8-a calibration surface, 9-a chamfer surface, 10-a fixing screw and 11-a sink groove.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-3, the threaded hole measuring tool with the depth go-no-go gauge of the present invention comprises a threaded go-no-go gauge measuring head 1, a threaded no-go gauge measuring head 2, a handle 3 and a stop collar 4, wherein one end of the threaded go-no-go gauge measuring head 1 and one end of the threaded no-go gauge measuring head 2 are respectively connected with two ends of the handle 3, and are mounted on the same handle 3 for operation, the stop collar 4 is movably sleeved on the middle portion of the threaded go-no-go gauge measuring head 1 and can axially move relative to the rod portion of the threaded go-no-go gauge measuring head 1, and one side of the stop collar 4 is provided with a reference surface 5, and the other side is provided with a first step surface 6 and a second step surface 7, the reference surface 5, the first step surface 6 and the second step surface 7 are both planar, and the second step surface 7 is higher than the first step surface 6, and the distance between the first step surface 6 and the second step, the size of the position C is processed into a thread depth tolerance size corresponding to the threaded hole when the size C is designed and processed, a calibration surface 8 is arranged in the middle of the thread go gauge measuring head 1, the calibration surface 8 extends towards the radial direction of the thread go gauge measuring head 1, the distance between the calibration surface 8 and the end surface of the thread go gauge measuring head 1 is equal to the sum of the thread depth of the corresponding threaded hole and the thickness of the limiting sleeve 4, namely, as shown in fig. 4, the distance between the calibration surface 8 and the end surface of the thread go gauge measuring head 1 is equal to the size A + B.
When the threaded hole measuring tool is used, the head of the thread no-go gauge measuring head 2 is screwed into a measured threaded hole, if the thread no-go gauge measuring head 2 can be screwed in, the thread of the threaded hole is unqualified, otherwise, the thread is qualified; and then turning the handle 3, screwing the head of the thread through gauge measuring head 1 into the measured threaded hole and screwing the head into the measured threaded hole in place, then tightly attaching the reference surface 5 of the limiting sleeve 4 to the surface of the orifice of the measured threaded hole, observing the positions of the first step surface 6 and the second step surface 7 of the limiting sleeve 4, if the calibration surface 8 is positioned between the first step surface 6 and the second step surface 7, determining that the thread depth of the threaded hole is qualified, otherwise, determining that the thread depth of the threaded hole is unqualified, and thus quickly judging whether the thread depth of the threaded hole is qualified or not. According to the threaded hole measuring tool, the threaded through gauge measuring head and the threaded no-go gauge measuring head are respectively arranged at the two ends of the handle, after the threaded through gauge measuring head is screwed into the threaded hole, the two step surfaces of the limiting sleeve are compared with the calibration surface to judge whether the thread depth is qualified, and the threaded no-go gauge measuring head is screwed into the threaded hole to judge whether the no-go gauge is passed, so that the purpose of simultaneously measuring the thread precision and the depth of the threaded hole is achieved, the measuring precision is guaranteed, and meanwhile, the working efficiency is effectively improved.
Preferably, screw thread lead to rule gauge head 1, screw thread no-go rule gauge head 2 all peg graft in handle 3, and be interference fit between screw thread lead to rule gauge head 1, screw thread no-go rule gauge head 2 and the handle 3, the dismouting of being convenient for is maintained.
Preferably, the outer walls of the handle 3 and the limiting sleeve 4 are both provided with patterns, so that the handle is convenient to grasp.
Preferably, the thread go gauge measuring head 1 on one side of the calibration surface 8 is provided with a chamfer 9, so that the calibration surface 8 can be conveniently machined, and the calibration surface 8 can be more easily identified.
Preferably, the fixing screw 10 is screwed on the periphery of the limiting sleeve 4, and the thread gauge measuring head 1 is reversely jacked through the fixing screw 10, so that the limiting sleeve 4 is locked at a specified position, and the detection precision is further improved.
Preferably, have seted up heavy groove 11 in the middle part of screw thread lead to rule gauge head 1, the width that sinks groove 11 is greater than set screw 10's diameter, and set screw 10 pegs graft in heavy groove 11 for set screw 10's bottom surface compresses tightly in the bottom surface that sinks groove 11, increases area of contact, improves the locking precision, effectively prevents simultaneously that 1 pole portion of screw thread lead to rule gauge head from damaging and influencing the gliding problem of stop collar 4.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (6)
1. A threaded hole measuring tool with a depth go-no go gauge is characterized by comprising a threaded go gauge measuring head (1), a threaded no-go gauge measuring head (2), a handle (3) and a limiting sleeve (4), one end of the thread go gauge measuring head (1) and one end of the thread no-go gauge measuring head (2) are respectively connected with the two ends of the handle (3), the limiting sleeve (4) is movably sleeved at the middle part of the thread go-gauge measuring head (1), and one side of the limiting sleeve (4) is provided with a reference surface (5), the other side is provided with a first step surface (6) and a second step surface (7), the distance between the first step surface (6) and the second step surface (7) is equal to the thread depth tolerance size of the corresponding threaded hole, the thread go gauge measuring head is characterized in that a calibration surface (8) is arranged in the middle of the thread go gauge measuring head (1), and the distance between the calibration surface (8) and the end surface of the thread go gauge measuring head (1) is equal to the sum of the thread depth of a corresponding threaded hole and the thickness of the limiting sleeve (4).
2. The threaded hole measuring tool with the depth go-no-go gauge according to claim 1, characterized in that the thread go-no-go gauge measuring head (1) and the thread no-go gauge measuring head (2) are inserted into the handle (3), and the thread go-no-go gauge measuring head (1), the thread no-go gauge measuring head (2) and the handle (3) are in interference fit.
3. The threaded hole measuring tool with the depth go-no-go gauge according to claim 1, characterized in that patterns are processed on the outer walls of the handle (3) and the limiting sleeve (4).
4. The threaded hole measuring tool with the depth go-no-go gauge according to claim 1, characterized in that the threaded go-no-go gauge head (1) on one side of the calibration surface (8) is provided with a chamfer surface (9).
5. The threaded hole measuring tool with the depth go-no-go gauge as claimed in any one of claims 1-4, characterized in that a fixing screw (10) is screwed on the periphery of the limiting sleeve (4).
6. The threaded hole measuring tool with the depth go-no go gauge according to claim 5, characterized in that a sunk groove (11) is formed in the middle of the threaded go-no go gauge measuring head (1), and the fixing screw (10) is inserted into the sunk groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010690121.9A CN111692953A (en) | 2020-07-17 | 2020-07-17 | Threaded hole measuring tool with depth go-no go gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010690121.9A CN111692953A (en) | 2020-07-17 | 2020-07-17 | Threaded hole measuring tool with depth go-no go gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692953A true CN111692953A (en) | 2020-09-22 |
Family
ID=72486073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010690121.9A Pending CN111692953A (en) | 2020-07-17 | 2020-07-17 | Threaded hole measuring tool with depth go-no go gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692953A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322722A (en) * | 2021-12-23 | 2022-04-12 | 中国航空工业集团公司西安航空计算技术研究所 | Coaxiality and verticality gauge checking fixture assembly and checking method |
| CN114413713A (en) * | 2022-01-25 | 2022-04-29 | 韶能集团韶关宏大齿轮有限公司 | Spherical gauge and using method |
-
2020
- 2020-07-17 CN CN202010690121.9A patent/CN111692953A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322722A (en) * | 2021-12-23 | 2022-04-12 | 中国航空工业集团公司西安航空计算技术研究所 | Coaxiality and verticality gauge checking fixture assembly and checking method |
| CN114322722B (en) * | 2021-12-23 | 2024-05-24 | 中国航空工业集团公司西安航空计算技术研究所 | Coaxiality and verticality gauge assembly and detection method |
| CN114413713A (en) * | 2022-01-25 | 2022-04-29 | 韶能集团韶关宏大齿轮有限公司 | Spherical gauge and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111692953A (en) | Threaded hole measuring tool with depth go-no go gauge | |
| CN102252581A (en) | Shaft key groove depth detection tool | |
| CN213714269U (en) | Auxiliary depth measuring tool for non-flat-bottom deep hole | |
| CN220039341U (en) | Taper thread depth calibration tool | |
| CN212133533U (en) | Threaded hole measuring tool with depth go-no go gauge | |
| CN212512868U (en) | Wedge-shaped anti-loosening threaded fastener measuring gauge | |
| CN104400069A (en) | Method for solving manufacturing and measuring problems of workpiece by adopting process hole | |
| CN205066614U (en) | Measuring tool of forked tail degree face | |
| CN211373473U (en) | Plug gauge for wedge block measurement | |
| CN202229744U (en) | Engine cylinder body or cylinder cover screwed hole displacement detection pin | |
| CN202885738U (en) | Simple deep touch gauge | |
| CN111102910B (en) | Thread coaxiality measuring tool and measuring method | |
| CN211085014U (en) | Measuring tool for hole pitch of process hole on top surface of cylinder cover | |
| CN209857865U (en) | Step hole depth concentricity measuring tool | |
| CN210070824U (en) | Measuring device for profile milling cutter | |
| CN109596034B (en) | Depth gauge for ball pin | |
| CN206235270U (en) | A kind of special sample post | |
| CN108709482B (en) | Vertical measuring tool for distance between vertical hole system of automobile part space | |
| CN108151613B (en) | Measuring method of measuring tool for measuring space diameter of V-shaped outer ring groove | |
| CN206223060U (en) | A kind of counterbore depth dimensions Quick detection tool | |
| CN219607902U (en) | Measuring device for measuring distance from center of two holes to plane | |
| CN215177367U (en) | Improved go-no go gauge | |
| CN210689476U (en) | Inner hole depth detection device | |
| CN205245975U (en) | Measurement frock clamp of bolt straight line groove symmetry | |
| CN219121229U (en) | Detection plug gauge for aperture and hole depth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |