CN203163704U - Small hole linearity measuring head - Google Patents
Small hole linearity measuring head Download PDFInfo
- Publication number
- CN203163704U CN203163704U CN 201320135931 CN201320135931U CN203163704U CN 203163704 U CN203163704 U CN 203163704U CN 201320135931 CN201320135931 CN 201320135931 CN 201320135931 U CN201320135931 U CN 201320135931U CN 203163704 U CN203163704 U CN 203163704U
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- Prior art keywords
- linearity
- gauge head
- measuring head
- air inlet
- compressed air
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Abstract
The utility model relates to a part of a detection instrument and especially relates to a small hole linearity measuring head. The small hole linearity measuring head comprises a measuring head body, a linearity detection area arranged on the measuring head body, a compressed air inlet, a measuring head air flow path and an air outlet, wherein the measuring head body is provided with a limit segment, the compressed air inlet is arranged at one end face of the measuring head body and is near the limit segment, the linearity detection area is arranged at the other side of the limit segment, the air outlet is arranged on the linearity detection area, and the compressed air inlet and the air outlet are communicated through the measuring head air flow path. The small hole linearity measuring head has high measuring precision which can reach +/-(0.3-1)mum, has small measuring force, is suitable for measuring an easy-deformation thin-wall part, can realize non-contact measuring and automatic detection, has low environment requirements, can realize precise detection and grading on small hole linearity, has properties of simple structure, low manufacturing cost and high cost performance and is applicable to mass production.
Description
Technical field
The utility model relates to a kind of parts of detecting instrument, relates in particular to a kind of aperture linearity gauge head.
Background technology
In mechanical manufacturing field, form and position tolerance is important detection index.Surface of deep hole is revolving body surface, and linearity is exactly that its round bus and the shape of axis are claimed.The detection of deep hole linearity is an important component part in the precision deep bore part processing process, it is the important means of the deep hole part being carried out quality control and management, be the technique guarantee of implementing quality standard, the precision deep bore straight line degree measurement has extremely important meaning for the reasonable use of commercial production and product.
At present, in the detection means in hole, it is main that the linearity in relatively big hole detects to adopt feeler gauge, air-gauge, bivalve measuring instrument etc., and to high-accuracy processing (as the oil pump nozzle field) though in the aperture linearity detect to adopt the bivalve measuring instrument moderate, efficient is low; Adopt high-accuracy electron detection device expensive, though precision is higher, cost performance is lower, is unfavorable for as the detection means that is used for large-scale mass production.
The utility model content
The utility model is in order to solve defective and the deficiency that above-mentioned prior art exists, and providing a kind of can detect and classification the aperture linearity is accurate, and aperture linearity gauge head simple in structure, that manufacturing price is low, cost performance is high.
The technical solution of the utility model: a kind of aperture linearity gauge head, comprise the gauge head body, be arranged on linearity surveyed area, compressed air inlet port, gauge head current path and gas outlet on the gauge head body, described gauge head body is provided with spacing section, described compressed air inlet port is arranged on gauge head body one end face and near spacing section, described linearity surveyed area is arranged on spacing section opposite side, described gas outlet is arranged on the linearity surveyed area, and described compressed air inlet port and gas outlet are communicated with by the gauge head current path.
Preferably, preferably, described linearity surveyed area comprises that three are detected piece, is equipped with the decontamination groove between per two detection pieces, and described gas outlet is arranged on the intermediate detection piece.
Preferably, the compressed air inlet port end that arranges of described gauge head body is back taper, and described compressed air inlet port is arranged on the center of this end end face.
Preferably, the described gauge head body head diameter of axle is 4.3mm, and the decontamination groove diameter of axle is 3.9mm, and the opening diameter that piece is detected at place, described gas outlet is 3.1mm.
Preferably, the diameter of described compressed air inlet port is 1.5mm.
The utility model measuring accuracy height, generally can reach+-(0.3-1) um, ergometry is little, and is favourable to the measurement of yielding thin-walled parts; And can carry out non-cpntact measurement and realize detection automatically, low to environmental requirement; Can detect and classification the aperture linearity is accurate simultaneously, and simple in structure, manufacturing price is low, cost performance is high, is applicable to production in enormous quantities.
Description of drawings
Fig. 1 is structural representation of the present utility model.
1. gauge head bodies among the figure, 2. compressed air inlet port, 3. linearity surveyed area, 4. gas outlet, 5. spacing section, 6. the gauge head current path 7. detects piece, 8. decontamination groove.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, but is not restriction to the utility model protection domain.
As shown in Figure 1, a kind of aperture linearity gauge head, comprise gauge head body 1, be arranged on linearity surveyed area 3, compressed air inlet port 2, gauge head current path 6 and gas outlet 4 on the gauge head body 1, gauge head body 1 is provided with spacing section 5, compressed air inlet port 2 is arranged on gauge head body 1 one end faces and near spacing section 5, linearity surveyed area 3 is arranged on spacing section 5 opposite sides, gas outlet 4 is arranged on the linearity surveyed area 3, and compressed air inlet port 2 and gas outlet 4 are communicated with by gauge head current path 6.Linearity surveyed area 3 comprises that three are detected piece 7, is equipped with decontamination groove 8 between per two detection pieces 7, and gas outlet 4 is arranged on the intermediate detection piece 7.Compressed air inlet port 2 ends that arrange of gauge head body 1 are back taper, and compressed air inlet port 2 is arranged on the center of this end end face.The gauge head body 1 head diameter of axle is 4.3mm, and the decontamination groove diameter of axle is 3.9mm, and the opening diameter that piece 7 is detected at 2 places, gas outlet is 3.1mm.The diameter of compressed air inlet port 2 is 1.5mm.
The utility model principle of work:
1. Bei Jiance hole, the aperture is 4.3, length 10;
2. when detecting, the pressurized air leather hose that has valve is connected with compressed air inlet port, and the detected member aperture is nested into spacing section from left end;
3. open air inlet leather hose valve;
4. open motor, detection piece is at the uniform velocity slowly rotated;
5. observe the unsteady situation of buoy, and determine the certified products level as requested and carry out classification.
The utility model measuring accuracy height, generally can reach+-(0.3-1) um, ergometry is little, and is favourable to the measurement of yielding thin-walled parts; And can carry out non-cpntact measurement and realize detection automatically, low to environmental requirement; Can detect and classification the aperture linearity is accurate simultaneously, and simple in structure, manufacturing price is low, cost performance is high, is applicable to production in enormous quantities.
Claims (5)
1. aperture linearity gauge head, comprise the gauge head body, be arranged on linearity surveyed area, compressed air inlet port, gauge head current path and gas outlet on the gauge head body, it is characterized in that: described gauge head body is provided with spacing section, described compressed air inlet port is arranged on gauge head body one end face and near spacing section, described linearity surveyed area is arranged on spacing section opposite side, described gas outlet is arranged on the linearity surveyed area, and described compressed air inlet port and gas outlet are communicated with by the gauge head current path.
2. a kind of aperture linearity gauge head according to claim 1 is characterized in that: described linearity surveyed area comprises that three are detected pieces, and per two are detected between the pieces and are equipped with the decontamination groove, and described gas outlet is arranged on the intermediate detection piece.
3. a kind of aperture linearity gauge head according to claim 1, it is characterized in that: the compressed air inlet port end that arranges of described gauge head body is back taper, and described compressed air inlet port is arranged on the center of this end end face.
4. a kind of aperture linearity gauge head according to claim 2, it is characterized in that: the described gauge head body head diameter of axle is 4.3mm, and the decontamination groove diameter of axle is 3.9mm, the opening diameter that piece is detected at place, described gas outlet is 3.1mm.
5. a kind of aperture linearity gauge head according to claim 3, it is characterized in that: the diameter of described compressed air inlet port is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135931 CN203163704U (en) | 2013-03-25 | 2013-03-25 | Small hole linearity measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135931 CN203163704U (en) | 2013-03-25 | 2013-03-25 | Small hole linearity measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163704U true CN203163704U (en) | 2013-08-28 |
Family
ID=49024882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320135931 Expired - Fee Related CN203163704U (en) | 2013-03-25 | 2013-03-25 | Small hole linearity measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163704U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048627A (en) * | 2014-06-27 | 2014-09-17 | 贵州红林机械有限公司 | Multi-nozzle pneumatic line measurement needle, calibration ring thereof, calibration method and measurement method |
| CN105716496A (en) * | 2015-12-31 | 2016-06-29 | 宁夏共享机床辅机有限公司 | Testing fixture for detecting bore |
| CN106705900A (en) * | 2017-01-11 | 2017-05-24 | 浙江大学 | Hole form adaptive bore cylindricity pneumatic composite detection device and measuring method |
-
2013
- 2013-03-25 CN CN 201320135931 patent/CN203163704U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048627A (en) * | 2014-06-27 | 2014-09-17 | 贵州红林机械有限公司 | Multi-nozzle pneumatic line measurement needle, calibration ring thereof, calibration method and measurement method |
| CN104048627B (en) * | 2014-06-27 | 2017-03-08 | 贵州红林机械有限公司 | Multiinjector pneumatic linearity metering pin and its calibration ring and calibration steps and measuring method |
| CN105716496A (en) * | 2015-12-31 | 2016-06-29 | 宁夏共享机床辅机有限公司 | Testing fixture for detecting bore |
| CN105716496B (en) * | 2015-12-31 | 2018-07-27 | 宁夏共享机床辅机有限公司 | A kind of cubing for detecting endoporus |
| CN106705900A (en) * | 2017-01-11 | 2017-05-24 | 浙江大学 | Hole form adaptive bore cylindricity pneumatic composite detection device and measuring method |
| CN106705900B (en) * | 2017-01-11 | 2022-07-19 | 浙江大学 | Hole-shape-adaptive inner hole cylindricity pneumatic composite detection device and measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150325 |
|
| EXPY | Termination of patent right or utility model |