CN203053391U - Valve body symmetry degree measuring instrument - Google Patents
Valve body symmetry degree measuring instrument Download PDFInfo
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- CN203053391U CN203053391U CN 201320039728 CN201320039728U CN203053391U CN 203053391 U CN203053391 U CN 203053391U CN 201320039728 CN201320039728 CN 201320039728 CN 201320039728 U CN201320039728 U CN 201320039728U CN 203053391 U CN203053391 U CN 203053391U
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- Prior art keywords
- valve body
- measuring instrument
- location structure
- gauge
- body symmetry
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- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000005259 measurement Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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Abstract
The utility model provides a valve body symmetry degree measuring instrument, which comprises an inner diameter gauge body, wherein the inner diameter gauge body comprises a gauge head, a gauge rod connected with the gauge head, a three-way pipe connected to the lower end of the gauge rod, and a movable measuring head. The valve body symmetry degree measuring instrument further comprises a connecting member, a measuring rod and a positioning structure, wherein the upper part of the connecting member is connected to the three-way pipe; the measuring rod is provided with a connecting end and a measuring end, the connecting end is connected to the lower part of the connecting member, and the measuring end extends along the parallel direction opposite to the movable measuring head; and the positioning structure is fixedly connected to the gauge rod and arranged above the movable measuring head, and the positioning structure is provided with a withstanding part restricting the springback distance of the movable measuring head. Compared with the prior art, the valve body symmetry degree measuring instrument has the advantages of simple structure, convenient operation and accurate measurement result, and can be used for measuring valve bodies with various sizes.
Description
Technical field
The utility model relates to a kind of symmetry measuring instrument, especially relates to a kind of for the valve body symmetry measuring instrument of measuring valve body seat ring hole symmetry.
Background technology
See also Fig. 1, it illustrates a kind of cross-sectional view of valve body.The through hole 110 that connects about having on this valve body 100 and be used for installing the lumen 120 of spool, the junction of described lumen 120 and described through hole 110 has for the seat ring hole 130 that seat ring is installed.In the manufacture process of described valve body 100, the symmetry in the seat ring hole 130 when being the benchmark symcenter with the center line of lumen 120 has considerable influence to the valve body quality, therefore when quality inspection, need the symmetry in counter race hole 130 to carry out the strictness measurement, to meet certain tolerance.
Yet, in the prior art, do not have the symmetry that special measurer is used for the seat ring hole of the described valve body of measurement, so the work of actual measurement being very loaded down with trivial details, measuring result error is bigger.
To be a kind of straight-line displacement with movable gauge head change the angular displacement of scale pointer into and carry out the inside dimension survey instrument of reading by scale by mechanical drive the internal diameter scale, is mainly used in the size in different apertures and the measurement of shape error thereof.Common internal diameter scale generally comprises gauge outfit, the table bar that is connected with described gauge outfit and is connected in the three-way pipe of described table bar lower end, movable gauge head and interchangeable gauge head.Adopt comparative measurement method, the internal diameter scale can be realized the measurement to diameter of bore and shape error.By changing the interchangeable gauge head of different length specification, the internal diameter scale can have a plurality of measurement ranges.According to different measuring accuracy, the internal diameter scale is divided into dial bore gage and inside dial indicator usually.
Summary of the invention
In view of this, the purpose of this utility model provides a kind of for the valve body symmetry measuring instrument of measuring center, valve body seat ring hole symmetry, this valve body symmetry measuring instrument is simple in structure, easy to operate, measurement result is accurate, and can be used in the valve body of measuring multiple different size.
In order to achieve the above object, the utility model provides a kind of valve body symmetry measuring instrument, it comprises internal diameter scale body, described internal diameter scale body comprises gauge outfit, the table bar that is connected with described gauge outfit and is connected in three-way pipe and the movable gauge head of described table bar lower end, it is characterized in that described valve body symmetry measuring instrument also comprises:
Web member, its top are fixedly connected on the described three-way pipe;
Gauge rod, it has link and measuring junction, and described link is connected in the bottom of described web member, and described measuring junction extends along the parallel direction opposite with described movable gauge head;
Location structure, it is fixedly connected on the described table bar and is located at the top of described movable gauge head, and described location structure is provided with the blocking part for the snap-off-distance of the described movable gauge head of restriction.
Preferably, the parallel top of being located at described movable gauge head of described location structure.More preferably, described gauge rod, described location structure and described movable gauge head are positioned on the same vertical plane.
Preferably, described location structure can be socketed on the described table bar with moving up and down, also has the locking member of fixedlying connected with described table bar for described location structure on the described location structure.
Preferably, the adjustable contact of described blocking part for can radially moving.More preferably, described blocking part is adopted with described location structure and is threaded, and also has the locking member of fixedlying connected with described location structure for described blocking part on the described location structure.
Preferably, described web member and described three-way pipe also have the locking member of fixedlying connected with described three-way pipe for described web member for being threaded on the described web member.
Preferably, described gauge rod and described web member also have the locking member of fixedlying connected with described web member for described gauge rod for being threaded on the described web member.
Preferably, above-described locking member can be lock-screw or set nut.
The measurement using method of the valve body symmetry measuring instrument that the utility model provides is: before the measurement, according to the lumen of valve body and the size in seat ring hole, select the gauge rod of suitable length for use, make measuring junction and the distance between the blocking part of gauge rod meet the inwall in valve body one side seat ring hole to the dimensional tolerence of the radial distance of the inwall of the lumen of opposite side, certain angle during measurement tilts scale, gauge rod and movable gauge head are put into the lumen of valve body, make the inwall in seat ring hole of measuring junction conflict valve body one side of gauge rod, the inwall of the lumen of opposite side on the movable gauge head conflict valve body, internal diameter scale body then gently swings, make the inwall of the lumen of opposite side on the blocking part conflict valve body of location structure, read the least count value a on the gauge outfit; Then, with 180 ° of valve body symmetry measuring instrument upsets of the present utility model, use the same method, measure from opposite side, obtain least count value b, the difference that two-sided measurement goes out | a-b| namely is the distance at center, seat ring hole and lumen center, namely is the symmetry in the valve body seat ring hole when being the benchmark symcenter with the lumen center.
Compared to prior art, the utility model provides a kind of special measuring tool of the symmetry for the seat ring hole of measuring valve body, has solved the deficiencies in the prior art, has satisfied the demand of people to this kind measurer.On the other hand, the valve body symmetry measuring instrument that the utility model provides is simple in structure, and not only cost of manufacture is lower, and easy to operate, measurement result is accurate, can also be used for measure the valve body of multiple different size.
Description of drawings
Fig. 1 is a kind of cross-sectional view of valve body.
Fig. 2 is the front view of the utility model valve body symmetry measuring instrument.
Fig. 3 is the front view of the utility model valve body symmetry measuring instrument.
Fig. 4 is the use view of the utility model valve body symmetry measuring instrument.
Embodiment
Below in conjunction with accompanying drawing the utility model preferred embodiment is elaborated.
See also Fig. 2 and Fig. 3, the utility model provides a kind of valve body symmetry measuring instrument, it comprises internal diameter scale body, described internal diameter scale body comprises gauge outfit 10, the table bar 20 that is connected with described gauge outfit 10 and is connected in three-way pipe 30 and the movable gauge head 40 of described table bar 20 lower ends that described valve body symmetry measuring instrument also comprises web member 50, gauge rod 60 and location structure 70.
Described location structure 70 is fixedly connected on the described table bar 20 and is located at the top of described movable gauge head 40, and described location structure 70 is provided with the blocking part for the snap-off-distance of the described movable gauge head 40 of restriction.In the present embodiment, described location structure 70 can be socketed on the described table bar 20 with moving up and down, also has the lock-screw 72 of fixedlying connected with described table bar 20 for described location structure 70 on the described location structure 70.By adjusting the upper-lower position of described location structure 70 on described table bar 20, can make the utility model valve body symmetry measuring instrument be applicable to the valve body of the lumen with different depth.
The adjustable contact 71 of described blocking part for can radially moving.Described adjustable contact 71 adopts with described location structure 70 and is threaded, and also has first set nut 73 of fixedlying connected with described location structure 70 for described adjustable contact 71 on the described location structure 71.
The top of described web member 50 is fixedly connected on the described three-way pipe 30.Described web member 50 and described three-way pipe 30 also have second set nut 31 of fixedlying connected with described three-way pipe 30 for described web member 50 for being threaded on the described web member 50.
Described gauge rod 60 has link and measuring junction 61, and described link is connected in the bottom of described web member, and described measuring junction 61 extends along the parallel direction opposite with described movable gauge head 40.Described gauge rod 60 and described web member 50 also have the 3rd set nut 51 of fixedlying connected with described web member 50 for described gauge rod 60 for being threaded on the described web member 50.
After installing gauge rod 60, can finely tune the measuring junction 61 of gauge rod 60 and the radial distance between the adjustable contact 71 by the radial motion of adjustable contact.
The parallel top of being located at described movable gauge head of described location structure, described gauge rod, described location structure and described movable gauge head are positioned on the same vertical plane.
The effect of described web member 50 is to make gauge rod 60 and movable gauge head 40 have certain horizontal drop, thereby makes the inwall in the measuring junction 61 conflict valve body seat ring holes of gauge rod 60, and the inwall of the lumen of top, movable gauge head conflict valve body seat ring hole.
See also Fig. 4, when the valve body symmetry measuring instrument that the utility model provides is used for measuring valve body 100, before the measurement, according to the lumen 120 of valve body 100 and the size in seat ring hole 130, select the gauge rod 60 of suitable length for use, make the dimensional tolerence of radial distance of the right side inwall of the measuring junction 61 of gauge rod 60 and the inner left wall lumen 120 extremely that the distance between the adjustable contact 71 meets valve body 100 seat ring holes 130, certain angle during measurement tilts measuring instrument, gauge rod 60 and movable gauge head 40 are put into the lumen 120 of valve body 100, make the inner left wall in seat ring hole 130 of the measuring junction 61 conflict valve bodies 100 of gauge rod 60, the right side inwall of the lumen 120 of movable gauge head 40 conflict valve bodies 100, measuring instrument then gently swings, make the right side inwall of lumen 120 of the adjustable contact 71 conflict valve bodies of location structure 70, read the least count value a on the gauge outfit 10; Then, with 180 ° of valve body symmetry measuring instrument upsets of the present utility model, use the same method, measure from opposite side, obtain least count value b, the difference that two-sided measurement goes out | a-b| namely is the distance at 130 centers, seat ring hole and lumen 120 centers, namely is the symmetry in the seat ring hole 130 when being the benchmark symcenter with lumen 120 centers.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (9)
1. valve body symmetry measuring instrument, it comprises internal diameter scale body, described internal diameter scale body comprises gauge outfit, the table bar that is connected with described gauge outfit and is connected in three-way pipe and the movable gauge head of described table bar lower end, it is characterized in that described valve body symmetry measuring instrument also comprises:
Web member, its top are fixedly connected on the described three-way pipe;
Gauge rod, it has link and measuring junction, and described link is connected in the bottom of described web member, and described measuring junction extends along the parallel direction opposite with described movable gauge head;
Location structure, it is fixedly connected on the described table bar and is located at the top of described movable gauge head, and described location structure is provided with the blocking part for the snap-off-distance of the described movable gauge head of restriction.
2. a kind of valve body symmetry measuring instrument according to claim 1 is characterized in that: the parallel top of being located at described movable gauge head of described location structure.
3. a kind of valve body symmetry measuring instrument according to claim 2, it is characterized in that: described gauge rod, described location structure and described movable gauge head are positioned on the same vertical plane.
4. a kind of valve body symmetry measuring instrument according to claim 1, it is characterized in that: described location structure can be socketed on the described table bar with moving up and down, also has the locking member of fixedlying connected with described table bar for described location structure on the described location structure.
5. a kind of valve body symmetry measuring instrument according to claim 1 is characterized in that: the adjustable contact of described blocking part for can radially moving.
6. a kind of valve body symmetry measuring instrument according to claim 5 is characterized in that: described blocking part is adopted with described location structure and is threaded, and also has the locking member of fixedlying connected with described location structure for described blocking part on the described location structure.
7. a kind of valve body symmetry measuring instrument according to claim 1 is characterized in that: described web member and described three-way pipe also have the locking member of fixedlying connected with described three-way pipe for described web member for being threaded on the described web member.
8. a kind of valve body symmetry measuring instrument according to claim 1 is characterized in that: described gauge rod and described web member also have the locking member of fixedlying connected with described web member for described gauge rod for being threaded on the described web member.
9. according to claim 4,6,7,8 any described a kind of valve body symmetry measuring instruments, it is characterized in that: described locking member is lock-screw or set nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039728 CN203053391U (en) | 2013-01-24 | 2013-01-24 | Valve body symmetry degree measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039728 CN203053391U (en) | 2013-01-24 | 2013-01-24 | Valve body symmetry degree measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053391U true CN203053391U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320039728 Expired - Fee Related CN203053391U (en) | 2013-01-24 | 2013-01-24 | Valve body symmetry degree measuring instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN203053391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115558A (en) * | 2013-01-24 | 2013-05-22 | 纽威石油设备（苏州）有限公司 | Valve body symmetry degree measuring apparatus |
| CN115077354A (en) * | 2022-06-29 | 2022-09-20 | 武昌船舶重工集团有限公司 | A machine tool detector for the verticality of the inner wall of a workpiece |
| CN119437001A (en) * | 2024-12-05 | 2025-02-14 | 广东德尔智慧科技股份有限公司 | Inner diameter measuring device and method of using the same |
-
2013
- 2013-01-24 CN CN 201320039728 patent/CN203053391U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115558A (en) * | 2013-01-24 | 2013-05-22 | 纽威石油设备（苏州）有限公司 | Valve body symmetry degree measuring apparatus |
| CN103115558B (en) * | 2013-01-24 | 2015-11-04 | 纽威石油设备（苏州）有限公司 | Valve body symmetry measuring meter |
| CN115077354A (en) * | 2022-06-29 | 2022-09-20 | 武昌船舶重工集团有限公司 | A machine tool detector for the verticality of the inner wall of a workpiece |
| CN115077354B (en) * | 2022-06-29 | 2025-09-26 | 武昌船舶重工集团有限公司 | A machine tool detector for verticality of inner wall of workpiece |
| CN119437001A (en) * | 2024-12-05 | 2025-02-14 | 广东德尔智慧科技股份有限公司 | Inner diameter measuring device and method of using the same |
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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: 20130710 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |