CN216694702U - Four-hole detection tool - Google Patents
Four-hole detection tool Download PDFInfo
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- CN216694702U CN216694702U CN202123125624.0U CN202123125624U CN216694702U CN 216694702 U CN216694702 U CN 216694702U CN 202123125624 U CN202123125624 U CN 202123125624U CN 216694702 U CN216694702 U CN 216694702U
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- 238000001514 detection method Methods 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a four-hole checking fixture, which comprises a workpiece body and a checking fixture body, wherein four piston holes are formed in the workpiece body, and mounting holes are formed in the workpiece body positioned at the periphery of the piston holes; the checking fixture body comprises a top plate, four sealing columns are uniformly distributed at the bottom of the top plate, four positioning columns are mounted at the bottoms of the top plates on the peripheries of the four sealing columns, sealing rings are arranged at the bottoms of the top plates on the peripheries of the four positioning columns, a vent hole is formed in the middle of the top plate in a penetrating mode, an air outlet pipe is connected onto the vent hole, a barometer is mounted at the top of the air outlet pipe, an air inlet hole is formed in the top plate beside the vent hole in a penetrating mode, and an air inlet pipe is connected onto the air inlet hole. This utensil is examined to four holes, structural design is reasonable, and the customization cost is not high, and operation flow is simple and convenient, can effectual detection work piece piston hole's size, guarantees the qualification rate of work piece processing, and then improves the quality of work piece.
Description
Technical Field
The utility model relates to the technical field of workpiece production and processing, in particular to a four-hole checking fixture.
Background
The manufacturing of automobiles and aerospace often needs a large number of different workpieces, the workpieces are often required to be precisely detected during production and processing so as to ensure the qualified rate of workpiece production and further ensure the normal operation of equipment used by the workpieces, and the traditional workpiece detection comprises size, engagement degree, air tightness and the like.
When an existing four-hole piston workpiece is produced and machined, the four-hole inner diameter of the workpiece needs to be verified so as to guarantee the four-hole air tightness of the workpiece, most of the four-hole inner diameter detection of the traditional piston workpiece is carried out manually, errors exist in manual detection, the precision of the hole diameter detection is difficult to guarantee, the quality of the piston workpiece cannot be guaranteed, and the product yield is reduced. Therefore, a four-hole gauge is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a four-hole gauge to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
designing a four-hole checking fixture, which comprises a workpiece body and a checking fixture body, wherein four piston holes are formed in the workpiece body, and mounting holes are formed in the workpiece body positioned on the periphery of the piston holes;
the checking fixture body comprises a top plate, four sealing columns are uniformly distributed at the bottom of the top plate, four positioning columns are mounted at the bottoms of the top plates on the peripheries of the four sealing columns, sealing rings are arranged at the bottoms of the top plates on the peripheries of the four positioning columns, a vent hole is formed in the middle of the top plate in a penetrating mode, an air outlet pipe is connected onto the vent hole, a barometer is mounted at the top of the air outlet pipe, an air inlet hole is formed in the top plate beside the vent hole in a penetrating mode, and an air inlet pipe is connected onto the air inlet hole.
Preferably, the outer diameter of the sealing column is set according to the outer diameter of the piston block inside the piston hole.
Preferably, the outer diameter of the positioning column is consistent with the inner diameter of the mounting hole.
Preferably, the sealing ring is a rubber gasket.
Compared with the prior art, the utility model has the beneficial effects that: this utensil is examined in four holes, through setting up the roof, sealed post, the reference column, the sealing washer, the outlet duct, the barometer, the intake pipe, can pass through reference column cooperation mounting hole, compress tightly the sealing washer of roof bottom at piston work piece top, and then seal the piston post in the piston hole, inject into gas through the intake pipe, get into inside the barometer by the outlet duct again, and then measure the gas tightness circumstances of detecting through the barometer, reach the effect of detecting work piece piston hole size through the gas tightness, make this utensil is examined in four holes, structural design is reasonable, the customization cost is not high, operation flow is simple and convenient, can effectually detect the size of work piece piston hole, guarantee the qualification rate of work piece processing, and then improve the quality of work piece.
Drawings
FIG. 1 is a schematic structural perspective view of a four-hole inspection device according to the present invention;
FIG. 2 is a schematic perspective view of a four-hole fixture fitting structure according to the present invention;
FIG. 3 is a top view of a gauge body structure of a four-hole gauge provided in the present invention.
In the figure: the device comprises a workpiece body 1, a piston hole 2, a mounting hole 3, a checking fixture body 4, a top plate 5, a sealing column 6, a positioning column 7, a sealing ring 8, an air outlet hole 9, an air outlet pipe 10, a barometer 11, an air inlet hole 12 and an air inlet pipe 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a four-hole checking fixture comprises a workpiece body 1 and a checking fixture body 4, wherein four piston holes 2 are formed in the workpiece body 1, mounting holes 3 are formed in the workpiece body 1 located on the periphery of the piston holes 2, and the mounting holes 3 are threaded holes and can be combined with bolts to assemble the piston body on the workpiece body 1;
the checking fixture body 4 comprises a top plate 5, four sealing columns 6 are uniformly distributed at the bottom of the top plate 5, four positioning columns 7 are mounted at the bottom of the top plate 5 positioned at the periphery of the four sealing columns 6, the positioning columns 7 and the top plate 5 are milled and ground integrally to ensure the stability of the checking fixture body 4, sealing rings 8 are arranged at the bottom of the top plate 5 positioned at the periphery of the four positioning columns 7, the sealing rings 8 are fixed at the bottom of the top plate 5 in a clamping mode to ensure the stability of the sealing rings 8 and further increase the stability of the sealing rings 8 for sealing the workpiece body 1, a vent hole 9 is formed in the middle position of the top plate 5 in a penetrating mode, an air outlet pipe 10 is connected onto the vent hole 9, the air outlet pipe 10 is fixed at the top of the top plate 5 in a welding mode to ensure the strength of the air outlet pipe 10 and further increase the stability of the pressure bearing of the air outlet pipe 10, a barometer 11 is mounted at the top of the air outlet pipe 10 in a threaded mode, the stability of the barometer 11 can be guaranteed, the barometer 11 can be easily disassembled, and the maintenance or replacement of the barometer 11 is further facilitated, the top plate 5 located beside the air outlet hole 9 is provided with an air inlet hole 12 in a penetrating mode, the air inlet hole 12 is connected with an air inlet pipe 13, the air inlet pipe 13 is fixed to the top of the top plate 5 in a welding mode, the strength of the air inlet pipe 13 is guaranteed, and the stability of the air inlet pipe 13 for conveying air is further improved;
specifically, will examine a body 4 assembly on work piece body 1 through reference column 7 cooperation mounting hole 3, insert sealed post 6 inside piston hole 2 again, and then seal up sealing washer 8 on work piece body 1, the rethread intake pipe 13 pours into the air, the air gets into the sealed chamber between work piece body 1 and the examining body 4, get into outlet duct 10 by the inside venthole 9 in sealed chamber again, get into barometer 11 by outlet duct 10 again, show the atmospheric pressure through barometer 11 and change, this process, if 2 apertures in piston hole are great, then 11 internal pressure of barometer shows to change lessly, if the aperture of piston hole 2 is qualified, then 11 internal pressure of barometer shows to change greatly, and then can effectual qualification rate of detecting the work piece through this work of examining.
The theory of operation, this four holes examine utensil is at the in-process that uses: will examine a body 4 assembly on work piece body 1 through reference column 7 cooperation mounting hole 3, insert sealed post 6 inside piston hole 2 again, and then seal 8 on work piece body 1, the air is injected into through intake pipe 13 again, the air gets into the sealed chamber between work piece body 1 and the utensil body 4, get into outlet duct 10 by the venthole 9 of sealed intracavity portion again, get into barometer 11 by outlet duct 10 again, show the atmospheric pressure through barometer 11 and change, this process, if 2 apertures of piston hole are great, then 11 internal pressure of barometer shows to change lessly, if the aperture of piston hole 2 is qualified, then 11 internal pressure of barometer shows to change greatly, and then can effectual qualification rate of detecting the work piece through this work of examining. The four-hole checking fixture is reasonable in structural design, low in customization cost and simple and convenient in operation process, the size of the piston hole of the workpiece can be effectively detected, the qualified rate of workpiece machining is guaranteed, and the quality of the workpiece is improved.
Further, the outer diameter of the sealing post 6 is set according to the outer diameter of the piston block inside the piston hole 2, so that the sealing post 6 can effectively measure the inner diameter of the piston hole 2.
Further, the outer diameter of the positioning post 7 is consistent with the inner diameter of the mounting hole 3, so that the positioning post 7 can be inserted into the mounting hole 3 in a matching manner.
Further, the sealing ring 8 is a rubber gasket, and the air tightness between the workpiece body 1 and the checking fixture body 4 can be ensured through the rubber gasket.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a four holes examine utensil, includes work piece body (1), examines utensil body (4), its characterized in that: four piston holes (2) are formed in the workpiece body (1), and mounting holes (3) are formed in the workpiece body (1) positioned on the periphery of the piston holes (2);
the checking fixture body (4) comprises a top plate (5), four sealing columns (6) are uniformly distributed at the bottom of the top plate (5), four positioning columns (7) are arranged at the bottom of the top plate (5) on the periphery of the sealing columns (6), four sealing rings (8) are arranged at the bottom of the top plate (5) on the periphery of the positioning columns (7), an air outlet hole (9) is formed in the top of the top plate (5) in a penetrating mode, an air outlet pipe (10) is connected onto the air outlet hole (9), a barometer (11) is installed at the top of the air outlet pipe (10), an air inlet hole (12) is formed in the top plate (5) beside the air outlet hole (9) in a penetrating mode, and an air inlet pipe (13) is connected onto the air inlet hole (12).
2. The four-hole gauge according to claim 1, characterized in that: the outer diameter of the sealing column (6) is arranged according to the outer diameter of the piston block in the piston hole (2).
3. The four-hole gauge according to claim 1, characterized in that: the outer diameter of the positioning column (7) is consistent with the inner diameter of the mounting hole (3).
4. The four-hole gauge according to claim 1, characterized in that: the sealing ring (8) is a rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123125624.0U CN216694702U (en) | 2021-12-13 | 2021-12-13 | Four-hole detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123125624.0U CN216694702U (en) | 2021-12-13 | 2021-12-13 | Four-hole detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216694702U true CN216694702U (en) | 2022-06-07 |
Family
ID=81838149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123125624.0U Active CN216694702U (en) | 2021-12-13 | 2021-12-13 | Four-hole detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216694702U (en) |
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2021
- 2021-12-13 CN CN202123125624.0U patent/CN216694702U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 102, Building 21, No. 6 Chuangye Road, Dongqiao Economic Development Zone, Ningde City, Fujian Province, 352000 Patentee after: Ningde Xinwangda Intelligent Technology Co.,Ltd. Address before: 352000 Building 8, tea factory, No. 101, Guolu Road, Jinhan Yu Township, Jiaocheng District, Ningde City, Fujian Province Patentee before: Ningde Xinwangda Industrial Co.,Ltd. |