CN203203547U - Measuring device for degree of symmetry of valve seat hole - Google Patents
Measuring device for degree of symmetry of valve seat hole Download PDFInfo
- Publication number
- CN203203547U CN203203547U CN 201320179762 CN201320179762U CN203203547U CN 203203547 U CN203203547 U CN 203203547U CN 201320179762 CN201320179762 CN 201320179762 CN 201320179762 U CN201320179762 U CN 201320179762U CN 203203547 U CN203203547 U CN 203203547U
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- CN
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- Prior art keywords
- valve seat
- top cover
- center
- spring
- pole
- Prior art date
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- Expired - Fee Related
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Abstract
A measuring device for degree of symmetry of valve seat holes includes a dial gauge, a central rod, a top cover, a rotating pin, spring balls, a detection valve seat, a spring and a measuring rod. The central rod penetrates through the center of the top cover; the measuring rod is located next to the central rod; the top end of the measuring rod is provided with the dial gauge; the spring is arranged between the lower end of the measuring rod and the central rod; the detection valve seat is provided with the detection valve seat on the opposite side of the spring on the central rod; the top cover is divided into an upper layer and a lower layer, which are in concentric flat cylinder shape; the diameter of the lower layer is less than the diameter of the upper layer; a vertical section is in shape of an inverted Chinese word meaning ''convex''; at least three spring balls are uniformly arranged on the periphery of a connecting edge of the upper layer and the lower cover of the top cover. The utility model can realize detection on the machine tool, simplifies the operation process for detecting the degree of symmetry, and improves the detection efficiency and the accuracy of detection.
Description
Technical field
The utility model relates to a kind of valve seat orifice symmetry measurement mechanism, and it is that a kind of accuracy in detection is high, and the symmetry measurement mechanism of direct-detection belongs to the checkout equipment field on lathe.
Background technology
Valve is the control assembly in the fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief; Valve can be used for controlling flowing of all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.
Valve installation is used for the pressure of control fluid at various pipelines, flow, and flow to, and possess sealing property, strength character, adjusting function, performance and trafficability performance etc.The installation of valve has comparatively strict requirement for valve seat orifice, especially the symmetry of valve seat orifice, if the symmetry of valve valve seat orifice is bad, then can be not curved valve rod after the valve assembling, cause simultaneously valve plate and valve seat gap and revealing on one side, with the valve seat overvoltage of other one side, the switch moment of valve switch is excessive and can shake.But the valve seat orifice of valve body is after lathe machines, and is difficult for measuring the symmetry of valve seat orifice; Traditional measuring method is to unload rear measurement from lathe, defective then again correction, also very difficult the assurance accurately of wasting time and energy.
Summary of the invention
In order to solve the problem of above-mentioned existence, the utility model discloses a kind of valve seat orifice symmetry measurement mechanism, this measurement mechanism can be measured symmetry at lathe, has avoided unnecessary unloading process, has simplified measuring process, has improved the accuracy of measuring.
A kind of valve seat orifice symmetry measurement mechanism comprises dial gauge, center-pole, top cover, rotational pin, spring ball detects valve seat, spring and sounding rod, described center-pole runs through the top cover center of passing, and sounding rod is positioned at the center-pole next door, and the sounding rod upper end is provided with dial gauge, be provided with spring between sounding rod lower end and center-pole, the couple positioned opposite of center-pole upper spring has the detection valve seat.
Described top cover is divided into the upper and lower, and the upper and lower are concentric flattened cylindrical shape, and the diameter of lower floor is less than the diameter on upper strata, and the longitudinal cross-section is inverted "convex" shape.
Described center-pole and sounding rod all pass the upper and lower of top cover simultaneously.
Described spring ball has at least three, and the upper and lower that evenly are arranged on top cover connect around the edge.
Described center-pole is connected screw thread and confines connection with top cover, sounding rod bottom and the riveted joint of detection valve seat, and the sounding rod middle part links to each other with top cover by rotational pin, can freely rotate.
The utility model, during use, a whole set of pick-up unit is packed in the flange hole from valve body, the lower floor of top cover stretches in the hole, interflow of valve seat orifice, spring ball is locked the lower floor of top cover and the inwall of valve seat orifice all around, realizes the middle flange hole self-centering of top cover and valve body, detects valve seat and stretches in the valve seat orifice, spring can tightly be pressed in the valve seat orifice with detecting valve seat, eliminated the existence in gap, read the reading of dial gauge, record numerical value, adjust the position, to detect valve seat Rotate 180 degree, in the another valve seat orifice of packing into, read the reading of dial gauge, record numerical value, contrast both sides numerical value is the poor of symmetry; Realized on lathe, just can detecting the valve seat orifice symmetry, simplified the operating process that detects symmetry, shortened detection time, improved detection efficiency.
Description of drawings
Fig. 1 is detected state structural representation of the present utility model,
Reference numerals list: 1-dial gauge, 2-sounding rod, 3-spring ball, 4-center-pole, 5-top cover, the upper strata of 5-1-top cover, the lower floor of 5-2-top cover, the middle flange hole of 6-valve body, 7-detection valve seat, 8-spring, 9-valve seat orifice, 10-rotational pin.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.Should understand following embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model.Need to prove, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of particular elements geometric center.
Fig. 1 is structural representation of the present utility model, as we can see from the figure, this valve seat orifice symmetry measurement mechanism, comprise dial gauge 1, center-pole 4, top cover 5, rotational pin 10, spring ball 3, detect valve seat 7, spring 8 and sounding rod 2, described center-pole 4 run through top cover 5 centers of passing, and sounding rod 2 is positioned at center-pole 4 next doors, center-pole 4 and sounding rod 2 all pass upper strata 5-1 and the 5-2 of top cover lower floor of top cover simultaneously, sounding rod 2 upper ends are provided with dial gauge 1, and 4 of sounding rod 2 lower ends and center-poles are provided with spring 8, and the couple positioned opposite of center-pole 4 upper springs 8 has the valve seat 7 of detection.The utility model, when measuring the valve seat orifice symmetry, center-pole 4 and sounding rod 2 are inserted in the middle flange hole 6 of valve body, top cover 5 covers the port at the middle flange hole 6 of valve body, the 5-2 of lower floor of top cover stretches in the middle flange hole 6 of valve body, spring ball 3 is locked the internal side wall of the middle flange hole 6 of itself and valve body, realize middle flange hole 6 self-centerings of top cover 5 and valve body, detect valve seat 7 and stretch in the valve seat orifice 9, spring 8 can tightly be pressed in detection valve seat 7 in the valve seat orifice 9, eliminated the existence in gap, under this state, read the reading of dial gauge 1, record numerical value, adjust the position, to detect valve seat 7 Rotate 180 degree, in the another valve seat orifice 9 of packing into, read the reading of dial gauge 1, record numerical value, contrast both sides numerical value is the poor of symmetry.Top cover 5 is used for this device is fixed in the middle flange hole 6 of valve body, lower floor is arranged in the flange hole 6 of valve body, the upper strata covers middle flange hole 6 outsides of valve body, can comparatively stably locate, center-pole 4 is used for centralized positioning, sounding rod 2, detection valve seat 7 and dial gauge 1 support the use, the symmetric case of middle flange hole 6 opposite sides of contrast valve body.
Described top cover 5 is divided into the upper and lower, and the upper and lower are concentric flattened cylindrical shape, and the diameter of lower floor is less than the diameter on upper strata, and the longitudinal cross-section is inverted "convex" shape; Described spring ball 3 has at least three, and the upper and lower that evenly are arranged on top cover 5 connect around the edge.The upper and lower that spring ball 3 is evenly distributed on top cover 5 connect around the edge, make the 5-2 of lower floor of top cover stressed even all around, the position can be stabilized in the center of the middle flange hole 6 of valve body, spring ball 3 is locked the 5-2 of lower floor of top cover and the inwall of valve seat orifice 9 all around, realize middle flange hole 6 self-centerings of top cover 5 and valve body, can the maintaining static of top cover 5.
Described center-pole 4 is connected with top cover by screw thread confinement connection, and center-pole 4 is fixed with top cover 5 positions, and sounding rod 2 bottoms and detection valve seat 7 are riveted, and sounding rod 2 middle parts are passed through rotational pin 10 and linked to each other with top cover 5, can freely rotate, convenient 180 ° of wheel measuring bars 2.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme that is comprised of above technical characterictic combination in any.
Claims (5)
1. a valve seat orifice symmetry measurement mechanism is characterized in that comprising dial gauge, center-pole, top cover, rotational pin, spring ball detects valve seat, spring and sounding rod, described center-pole runs through the top cover center of passing, and sounding rod is positioned at the center-pole next door, and the sounding rod upper end is provided with dial gauge, be provided with spring between sounding rod lower end and center-pole, the couple positioned opposite of center-pole upper spring has the detection valve seat.
2. a kind of valve seat orifice symmetry measurement mechanism according to claim 1 is characterized in that described top cover is divided into the upper and lower, and the upper and lower are concentric flattened cylindrical shape, and the diameter of lower floor is less than the diameter on upper strata, and the longitudinal cross-section is inverted "convex" shape.
3. a kind of valve seat orifice symmetry measurement mechanism according to claim 2 is characterized in that described center-pole and sounding rod all pass the upper and lower of top cover simultaneously.
4. a kind of valve seat orifice symmetry measurement mechanism according to claim 3 is characterized in that described spring ball has at least three, and the upper and lower that evenly are arranged on top cover connect around the edge.
5. a kind of valve seat orifice symmetry measurement mechanism according to claim 1 is characterized in that described center-pole is connected screw thread and confines connection with top cover, sounding rod bottom and the riveted joint of detection valve seat, and the sounding rod middle part links to each other with top cover by rotational pin, can freely rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179762 CN203203547U (en) | 2013-04-11 | 2013-04-11 | Measuring device for degree of symmetry of valve seat hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179762 CN203203547U (en) | 2013-04-11 | 2013-04-11 | Measuring device for degree of symmetry of valve seat hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203547U true CN203203547U (en) | 2013-09-18 |
Family
ID=49147648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320179762 Expired - Fee Related CN203203547U (en) | 2013-04-11 | 2013-04-11 | Measuring device for degree of symmetry of valve seat hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203547U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081886A (en) * | 2015-09-21 | 2015-11-25 | 四川崇泰石油机械有限公司 | Center parting degree detecting tool for valve seat mounting hole in valve body machining process |
| CN105364086A (en) * | 2014-08-28 | 2016-03-02 | 安瑞科(蚌埠)压缩机有限公司 | Measuring and machining method for open file in crosshead and auxiliary symmetry measuring device |
| CN107687801A (en) * | 2017-09-28 | 2018-02-13 | 苏州优力克流体控制科技有限公司 | A kind of symmetry special measuring tool in valve body and valve seat hole |
| CN108195270A (en) * | 2018-01-08 | 2018-06-22 | 纽威石油设备（苏州）有限公司 | A kind of valve body verticality measurement device |
-
2013
- 2013-04-11 CN CN 201320179762 patent/CN203203547U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364086A (en) * | 2014-08-28 | 2016-03-02 | 安瑞科(蚌埠)压缩机有限公司 | Measuring and machining method for open file in crosshead and auxiliary symmetry measuring device |
| CN105364086B (en) * | 2014-08-28 | 2018-03-02 | 安瑞科(蚌埠)压缩机有限公司 | The measurement of crosshead internal arm, processing method and symmetry aided measurement device |
| CN105081886A (en) * | 2015-09-21 | 2015-11-25 | 四川崇泰石油机械有限公司 | Center parting degree detecting tool for valve seat mounting hole in valve body machining process |
| CN107687801A (en) * | 2017-09-28 | 2018-02-13 | 苏州优力克流体控制科技有限公司 | A kind of symmetry special measuring tool in valve body and valve seat hole |
| CN108195270A (en) * | 2018-01-08 | 2018-06-22 | 纽威石油设备（苏州）有限公司 | A kind of valve body verticality measurement device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140411 |