CN207936891U - A kind of instrument for measuring pitch diameter of internal thread - Google Patents
A kind of instrument for measuring pitch diameter of internal thread Download PDFInfo
- Publication number
- CN207936891U CN207936891U CN201820270708.2U CN201820270708U CN207936891U CN 207936891 U CN207936891 U CN 207936891U CN 201820270708 U CN201820270708 U CN 201820270708U CN 207936891 U CN207936891 U CN 207936891U
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- sleeve
- holder
- adjusting
- mobile bar
- gauge head
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model is related to measurer technical fields, and in particular to a kind of instrument for measuring pitch diameter of internal thread；Including sleeve, holder one, holder two, adjusting screw and amesdial, one end of sleeve is equipped with adjusting cavity, the other end is equipped with installation cavity, mobile bar is equipped in adjusting cavity, holder one is set to one end of mobile bar, sleeve is equipped with bar shaped pilot hole, and holder one passes perpendicularly through bar shaped pilot hole, and the upper end of the holder one is equipped with V-type gauge head；The lower end of holder two is equipped with adjusting set, adjusting set is sheathed on outside sleeve, adjusting set is equipped with the trip bolt to offset with sleeve, the upper end of holder two is equipped with cone gauge head, V-type gauge head and cone gauge head are supported or opposed setting, the threaded one end of adjusting screw and sleeve connects, and the end of adjusting screw and one end of mobile bar offset；It is easy to operate using a kind of instrument for measuring pitch diameter of internal thread measurement process of technical solutions of the utility model, it is efficient.
Description
Technical field
The utility model is related to measurer technical fields, and in particular to a kind of instrument for measuring pitch diameter of internal thread.
Background technology
Measure thread pitch diameter, generally use plug thread gauge, such final inspection measured for quality inspection personnel, with whether can be with
It screws in, comes that interpretation internal thread is qualified or not to be possible.But it can not know that the actual size of thread pitch diameter, this pair add
Work process analysis can not determine back engagement of the cutting edge etc. without directive function.
Utility model content
The purpose of this utility model is to provide a kind of instrument for measuring pitch diameter of internal thread, and measurement process is easy to operate, efficient.
To achieve the goals above, the utility model provides a kind of instrument for measuring pitch diameter of internal thread, including sleeve, holder one,
Holder two, adjusting screw and amesdial, wherein one end of the sleeve is equipped with adjusting cavity, and the other end is equipped with installation cavity, the tune
It saves intracavitary and is equipped with mobile bar, the holder one is set to one end of the mobile bar, and the sleeve is equipped with bar shaped pilot hole, described
Holder one passes perpendicularly through the bar shaped pilot hole, and the upper end of the holder one is equipped with V-type gauge head；The lower end of the holder two is equipped with
Adjusting set, the adjusting set are sheathed on outside the sleeve, and the adjusting set is equipped with the trip bolt to offset with the sleeve, institute
The upper end for stating holder two is equipped with cone gauge head, and the V-type gauge head and the cone gauge head are supported or opposed setting, the adjusting screw and institute
State the threaded one end connection of sleeve, the end of the adjusting screw and one end of the mobile bar offset, the mobile bar it is another
One end is arranged with compressed spring, and one end of the compressed spring offsets with boss set in the mobile bar, the compressed spring
The other end and the end face of inner ring set in the sleeve offset, the inner ring penetrates through the adjusting cavity and the installation cavity,
The amesdial includes fixes sleeve and amesdial measuring staff, and the fixes sleeve is fixedly mounted in the installation cavity, the shifting
Lever stretches into the end of the inner ring and the amesdial measuring staff offsets.
Preferably, the internal diameter of the inner ring is less than the internal diameter of the adjusting cavity and the installation cavity.
Preferably, the fixing screws pushed against with the fixes sleeve are radially provided on the sleeve.
Preferably, it is interference fitted between the holder one and the mobile bar.
Using a kind of instrument for measuring pitch diameter of internal thread of above-mentioned technical proposal, there are following advantages：This thread pitch diameter measures
Instrument first, by comparing zeroing with standard thread ring gage, then measures thread pitch diameter actual deviation with relative measurement method again,
To obtain thread pitch diameter actual size.In detecting in batch, the actual deviation that is measured by amesdial, if inclined in the limit
Within the scope of difference, judge whether thread pitch diameter is qualified, very convenient efficient, operation is simple and reliable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Wherein：Sleeve 1；Holder 1；Holder 23；Adjusting screw 4；Amesdial 5；Adjusting cavity 6；Installation cavity 7；Mobile bar 8；
Bar shaped pilot hole 9；V-type gauge head 10；Adjusting set 11；Trip bolt 12；Cone gauge head 13；Compressed spring 14；Boss 15；Inner ring
16；Fixes sleeve 17；Amesdial measuring staff 18；Fixing screws 19.
Specific implementation mode
Technical solutions of the utility model are further illustrated with reference to the accompanying drawings and examples：
As shown in Figure 1, the utility model provides a kind of instrument for measuring pitch diameter of internal thread, including sleeve 1, holder 1, holder two
3, adjusting screw 4 and amesdial 5, wherein one end of sleeve 1 is equipped with adjusting cavity 6, and the other end is equipped with installation cavity 7, in adjusting cavity 6
Equipped with mobile bar 8, holder 1 is set to one end of mobile bar 8, is interference fitted between holder 1 and mobile bar 8, sleeve 1 is equipped with
Bar shaped pilot hole 9, holder 1 passes perpendicularly through bar shaped pilot hole 9, and the upper end of the holder 1 is equipped with V-type gauge head 10；Holder 23
Lower end be equipped with adjusting set 11, adjusting set 11 is sheathed on outside sleeve 1, and adjusting set 11 is equipped with the trip bolt to offset with sleeve 1
12, the upper end of holder 23 is equipped with cone gauge head 13, and V-type gauge head 10 and cone gauge head 13 are supported or opposed setting, adjusting screw 4 and sleeve 1
Threaded one end connection, the end and one end of mobile bar 8 of adjusting screw 4 offset, and the other end of mobile bar 8 is arranged with compression bullet
Spring 14, one end of compressed spring 14 offset with boss 15 set in mobile bar 8, the other end and the sleeve 1 of the compressed spring 14
The end face of interior set inner ring 16 offsets, and inner ring 16 penetrates through adjusting cavity 6 and installation cavity 7, and the internal diameter of inner ring 16 is less than 6 He of adjusting cavity
The internal diameter of installation cavity 7, amesdial 5 include fixes sleeve 17 and amesdial measuring staff 18, and fixes sleeve 17 is fixedly mounted on installation cavity 7
It is interior, it is radially provided with the fixing screws 19 pushed against with fixes sleeve 17 on sleeve 1, mobile bar 8 stretches into the end of inner ring 16 and thousand points
Table measuring staff 18 offsets.
In use, 23 upper end of holder is equipped with cone gauge head 13, according to the size for checking inner thread part, shifting can be controlled
Dynamic adjusting set 11, is adjusted to appropriate location and is fixed by trip bolt 12, rotates adjusting screw 4 later, it connects with 1 screw thread of sleeve
It connects, pushes mobile bar 8 to move right in rotation process.
When detection, is compared return to zero with standard thread ring gage first, mix up the zero-bit of amesdial 5.Adjusting screw 4 is turned, is adjusted
Section screw 4 pushes mobile bar 8 to move to right, and mobile bar 8 drives V-type gauge head 10 to move to right, until 10 measurement end of V-type gauge head and cone gauge head
The distance between 13 measurement ends are less than tested tapped bore, then are set with tested internal screw workpiece, and cone gauge head 13 is inserted into tested
In the alveolus of screw thread；Adjusting screw 4 is rotated backward later, and by screw-thread fit, adjusting screw 4 is moved to the left, and mobile bar 8 is being pressed
It under the promotion of contracting spring 14, also synchronizes and is moved to the left, V-type gauge head 10 is stuck on the measured workpiece thread on opposite.Pass through thousand points
5 pointer of table reads and is tested actual deviation of the pitch diameter of thread relative to standard thread ring gage, real so as to calculate tested internal thread
The size of border central diameter completes detection.
Thread pitch diameter is measured, plug thread gauge, such final inspection measured for quality inspection personnel, whether can revolve are commonly used
Enter, to judge whether internal thread is qualified.But it can not know the actual parameter of thread pitch diameter, this is to machining process
Analysis, without directive function, can not determine cutting data.This instrument for measuring pitch diameter of internal thread, it is first with relative measurement method Precision measurement
First, by comparing zeroing with standard thread ring gage, thread pitch diameter actual deviation is then measured again, to obtain thread pitch diameter
Actual size.In detecting in batch, the actual deviation that can also be measured by amesdial 5, if in limit deviation allowable range
Within, to judge whether thread pitch diameter is qualified, very convenient efficient, operation is simple and reliable.With the precision of mechanical processing
It improves, to ensure product quality, Precision measurement is also more and more universal, and Precision measurement thread pitch diameter lacks usual amounts in workshop
Tool, this instrument for measuring pitch diameter of internal thread can improve accuracy of detection, bring great convenience.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these should also be considered as this practicality
Novel protection domain, these all do not interfere with the effect and patent practicability of the utility model implementation.
Claims (4)
1. a kind of instrument for measuring pitch diameter of internal thread, including sleeve, holder one, holder two, adjusting screw and amesdial, feature exist
In：One end of the sleeve is equipped with adjusting cavity, and the other end is equipped with installation cavity, mobile bar, the holder are equipped in the adjusting cavity
One is set to one end of the mobile bar, and the sleeve is equipped with bar shaped pilot hole, and the holder one passes perpendicularly through the bar shaped and leads
Xiang Kong, and the upper end of the holder one is equipped with V-type gauge head；The lower end of the holder two is equipped with adjusting set, and the adjusting set is sheathed on
Outside the sleeve, the adjusting set is equipped with the trip bolt to offset with the sleeve, and the upper end of the holder two is equipped with cone
Gauge head, the V-type gauge head and the cone gauge head are supported or opposed setting, and the adjusting screw is connect with the threaded one end of the sleeve,
The end of the adjusting screw and one end of the mobile bar offset, and the other end of the mobile bar is arranged with compressed spring, institute
The one end and boss set in the mobile bar for stating compressed spring offset, the other end of the compressed spring and institute in the sleeve
If the end face of inner ring offset, it includes fixes sleeve that the inner ring, which penetrates through the adjusting cavity and the installation cavity, the amesdial,
With amesdial measuring staff, the fixes sleeve is fixedly mounted in the installation cavity, and the mobile bar stretches into the end of the inner ring
It offsets with the amesdial measuring staff.
2. instrument for measuring pitch diameter of internal thread according to claim 1, it is characterised in that：The internal diameter of the inner ring is less than the tune
Save the internal diameter of chamber and the installation cavity.
3. instrument for measuring pitch diameter of internal thread according to claim 1, it is characterised in that：Be radially provided on the sleeve with it is described
The fixing screws that fixes sleeve pushes against.
4. instrument for measuring pitch diameter of internal thread according to claim 1, it is characterised in that：The holder one and the mobile bar it
Between be interference fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820270708.2U CN207936891U (en) | 2018-02-26 | 2018-02-26 | A kind of instrument for measuring pitch diameter of internal thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820270708.2U CN207936891U (en) | 2018-02-26 | 2018-02-26 | A kind of instrument for measuring pitch diameter of internal thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936891U true CN207936891U (en) | 2018-10-02 |
Family
ID=63653147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820270708.2U Active CN207936891U (en) | 2018-02-26 | 2018-02-26 | A kind of instrument for measuring pitch diameter of internal thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207936891U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230970A (en) * | 2019-07-20 | 2019-09-13 | 成都飞机工业（集团）有限责任公司 | A kind of variable-diameter check device |
| CN110487152A (en) * | 2019-08-19 | 2019-11-22 | 江门建滔高科技有限公司 | A kind of online OD Measuring of pcb board hard milling cutter |
| CN111928809A (en) * | 2020-08-03 | 2020-11-13 | 淮安市迈奕机电设备有限公司 | Method for measuring pitch diameter of thread by utilizing threaded roller measuring anvil |
-
2018
- 2018-02-26 CN CN201820270708.2U patent/CN207936891U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230970A (en) * | 2019-07-20 | 2019-09-13 | 成都飞机工业（集团）有限责任公司 | A kind of variable-diameter check device |
| CN110487152A (en) * | 2019-08-19 | 2019-11-22 | 江门建滔高科技有限公司 | A kind of online OD Measuring of pcb board hard milling cutter |
| CN110487152B (en) * | 2019-08-19 | 2021-08-13 | 江门建滔高科技有限公司 | Online outer diameter detection machine for PCB hard milling cutter |
| CN111928809A (en) * | 2020-08-03 | 2020-11-13 | 淮安市迈奕机电设备有限公司 | Method for measuring pitch diameter of thread by utilizing threaded roller measuring anvil |
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