CN220982151U - Check tool for sealing ring - Google Patents
Check tool for sealing ring Download PDFInfo
- Publication number
- CN220982151U CN220982151U CN202322714087.6U CN202322714087U CN220982151U CN 220982151 U CN220982151 U CN 220982151U CN 202322714087 U CN202322714087 U CN 202322714087U CN 220982151 U CN220982151 U CN 220982151U
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- Prior art keywords
- bottom plate
- upper cover
- guide groove
- inspection
- checking fixture
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 238000007689 inspection Methods 0.000 claims description 51
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a checking fixture for a sealing ring, which comprises a checking fixture bottom plate, a checking fixture upper cover arranged above the checking fixture bottom plate and a positioning pin shaft for connecting the checking fixture bottom plate and the checking fixture upper cover, wherein a plurality of bottom plate guide grooves are formed in the checking fixture bottom plate, a plurality of upper cover guide grooves are formed in the checking fixture upper cover, a plurality of moving pin shafts penetrate through the upper cover guide grooves and the bottom plate guide grooves, and one moving pin shaft is arranged at most between any one of the bottom plate guide grooves and the upper cover guide grooves. The utility model aims at overcoming the defects of the prior art, and provides a checking fixture for a sealing ring, wherein a movable pin shaft is matched with a circular arc guide groove structure to perform concentric circle scaling action through relative rotation between a checking fixture bottom plate and a checking fixture upper cover, so that the function of rapidly measuring the inner diameter and the outer diameter of the sealing ring is realized, and the problem that the measurement of the inner diameter and the outer diameter of the sealing ring is inconvenient and inaccurate is solved.
Description
Technical Field
The utility model relates to the technical field of sealing ring inner and outer diameter measuring equipment, in particular to a testing fixture for a sealing ring.
Background
The sealing ring is widely applied to various fields such as pipeline systems, various machines, household appliances, sports equipment, pneumatic elements and the like, and in order to ensure that the sealing ring has a good sealing effect, the sealing ring with proper size is required to be used, but the sealing ring is an elastic rubber product, so that in the production and processing process, a special measuring instrument is required to be used for effectively detecting the inner diameter and the outer diameter of the sealing ring so as to confirm whether the inner diameter and the outer diameter of the sealing ring meet the production standard or not and ensure the production quality of the sealing ring.
Chinese patent CN110530239B discloses a precise measuring instrument for inner and outer diameters of a large-diameter sealing ring, which comprises a precise measuring table, the precise measuring table is of a hollow structure, a first limiting chute is provided in the interior of a fixed placement plate, a second scale mark is provided on the upper surface of the fixed placement plate near one side of the first limiting chute, a first measuring component is provided in the interior of the first limiting chute, and a second measuring component is provided in the interiors of the second limiting chute and the third limiting chute. According to the utility model, a user can conveniently and rapidly measure the outer diameter of the sealing ring through the first measuring assembly, the measuring accuracy of the outer diameter of the sealing ring is improved, the user can conveniently record the outer diameter value of the sealing ring, the user can conveniently and rapidly measure the inner diameter of the sealing ring through the second measuring assembly, the measuring time of the inner diameter of the sealing ring is saved, and the measuring accuracy of the inner diameter of the sealing ring is ensured.
But this technical scheme is not the inside and outside diameter of direct measurement sealing washer, but transmits the scale mark position with the size through measuring assembly to only two slide bars and two contact bars contact with the inside and outside footpath of the sealing washer that awaits measuring when measuring, and the sealing washer takes place radial deformation very easily again, so very easily produces the error, and this measuring instrument structure is complicated, and the volume is great, and the measurement operation is inconvenient.
Disclosure of utility model
The utility model aims at overcoming the defects of the prior art, and provides a checking fixture for a sealing ring, wherein a movable pin shaft is matched with a circular arc guide groove structure to perform concentric circle scaling action through relative rotation between a checking fixture bottom plate and a checking fixture upper cover, so that the function of rapidly measuring the inner diameter and the outer diameter of the sealing ring is realized, and the problem that the measurement of the inner diameter and the outer diameter of the sealing ring is inconvenient and inaccurate is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The checking fixture for the sealing ring comprises a checking fixture bottom plate, a checking fixture upper cover arranged above the checking fixture bottom plate, a positioning pin shaft for connecting the checking fixture bottom plate and the checking fixture upper cover, and a plurality of movable pin shafts;
The inspection fixture comprises a bottom plate, a plurality of bottom plate guide grooves are formed in the bottom plate of the inspection fixture, a plurality of upper cover guide grooves are formed in the upper cover of the inspection fixture, the movable pin shafts penetrate through the bottom plate guide grooves and the upper cover guide grooves, and the rotation of the upper cover of the inspection fixture synchronously changes the distances between the pin shafts and the center of the upper cover of the inspection fixture.
Preferably, the inspection clamp bottom plate is provided with a bottom plate positioning hole, and the inspection clamp upper cover is provided with an upper cover positioning hole.
Preferably, the inspection jig bottom plate and the inspection jig upper cover are disc-shaped, the bottom plate positioning hole is formed in the geometric center of the inspection jig bottom plate, and the upper cover positioning hole is formed in the geometric center of the inspection jig upper cover.
Preferably, the clamp bottom plate and the inspection clamp upper cover are coaxially and rotatably connected through the positioning pin shaft, and the positioning pin shaft is arranged at the bottom plate positioning hole and the upper cover positioning hole.
Preferably, the distance between the axis of any one of the movable pins and the axis of the positioning pin is equal, and the movable pins do reciprocating motion in the bottom plate guide groove and the upper cover guide groove.
Preferably, the inspection fixture upper cover is further provided with a cover periphery protruding downwards, and four threaded holes are uniformly distributed on the cover periphery in the circumferential direction.
Preferably, the bottom plate guide groove and the upper cover guide groove extend outwards smoothly from a position close to the axis, and at least one group of the bottom plate guide groove and the upper cover guide groove form an included angle with the diameter direction.
Preferably, the bottom plate guide groove and the upper cover guide groove are circular arc guide grooves extending from the inside to the outside and arrayed at equal intervals in the circumferential direction, and the openings of the upper cover guide groove and the bottom plate guide groove are oppositely arranged.
Preferably, the bottom plate guide groove is a waist-hole guide groove which is uniformly arranged in the radial direction, and the upper cover guide groove is a circular arc guide groove which extends outwards from the inner part and is uniformly arranged in the circumferential direction.
Preferably, the number of the bottom plate guide groove, the upper cover guide groove and the moving pin shaft is identical.
The utility model has the beneficial effects that:
(1) According to the utility model, the movable pin shafts are enabled to perform concentric circle zooming action in the guide grooves through relative rotation between the bottom plate of the inspection clamp and the upper cover of the inspection clamp, so that the inner diameter and the outer diameter of the sealing ring to be measured can be quickly attached, the diagonally distributed movable pin shafts are measured, and the inner diameter and the outer diameter data of the sealing ring can be obtained, so that the measuring process is convenient and quick.
(2) According to the utility model, the plurality of movable pin shafts are arranged to be attached to the sealing ring to be measured for measurement, so that the sealing ring to be measured can be as close as possible to a state without deformation, and the measurement error caused by the deformation of the sealing ring to be measured is reduced.
(3) According to the utility model, the limit bolt is arranged, and the limit bolt is screwed in the measuring process, so that the bottom plate of the checking fixture and the upper cover of the checking fixture do not rotate relatively any more, the position of the movable pin shaft is fixed, and the measuring error caused by the position change of the movable pin shaft is reduced.
In conclusion, the utility model has the advantages of convenience and rapidness in measurement, small error and the like.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the overall structure of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic cross-sectional view of the present utility model at A-A in FIG. 3;
FIG. 5 is a perspective schematic view of the overall structure of the bottom plate guide slot of the present utility model in the shape of a waist hole;
fig. 6 is a schematic view of the overall structure of the bottom plate guide slot of the present utility model in the shape of a waist hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1-4, the present embodiment provides a checking fixture for a sealing ring, including a checking fixture bottom plate 1, a checking fixture upper cover 2 disposed above the checking fixture bottom plate 1, a positioning pin 3 connecting the checking fixture bottom plate 1 and the checking fixture upper cover 2, and a plurality of moving pins 4;
The inspection fixture bottom plate 1 is provided with a plurality of bottom plate guide grooves 11, the inspection fixture upper cover 2 is provided with a plurality of upper cover guide grooves 21, the movable pin shafts 4 penetrate through the bottom plate guide grooves 11 and the upper cover guide grooves 21, and the rotation of the inspection fixture upper cover 2 synchronously changes the distance between the pin shafts 4 and the center of the inspection fixture upper cover 2. The plurality of movable pin shafts 4 are attached to the sealing ring to be measured for measurement, so that the sealing ring to be measured can be as close to a state without deformation as possible, and measurement errors caused by deformation of the sealing ring to be measured are reduced.
As shown in fig. 2, the inspected jig base plate 1 is provided with a base plate positioning hole 12, and the inspection jig upper cover 2 is provided with an upper cover positioning hole 22.
As shown in fig. 2 and 3, the inspection fixture bottom plate 1 and the inspection fixture upper cover 2 are both disc-shaped, the bottom plate positioning hole 12 is disposed at the geometric center of the inspection fixture bottom plate 1, and the upper cover positioning hole 22 is disposed at the geometric center of the inspection fixture upper cover 2.
As shown in fig. 2, 3 and 4, the fixture bottom plate 1 and the inspection fixture 2 are coaxially and rotatably connected through the positioning pin 3, and the positioning pin 3 is arranged at the bottom plate positioning hole 12 and the upper cover positioning hole 22.
As shown in fig. 1 and 3, any one of the movable pins 4 has equal distance from the axis of the positioning pin 3, and reciprocates in the bottom plate guide groove 11 and the upper cover guide groove 21, and the movable pins 4 can perform concentric circle scaling motion in the guide groove by relatively rotating the inspection fixture bottom plate 1 and the inspection fixture upper cover 2, so that the inner diameter and the outer diameter of the sealing ring to be measured can be quickly attached, and the inner diameter or the outer diameter data of the sealing ring can be obtained by measuring the distance between the diagonally distributed movable pins 4, so that the measurement process is convenient and quick.
As shown in fig. 4, the inspection fixture upper cover 2 is further provided with a cover peripheral edge 23 protruding downwards, and four threaded holes 24 are uniformly distributed on the cover peripheral edge 23 in the circumferential direction.
As shown in fig. 4, the cover peripheral edge 23 completely covers the side surface of the inspection jig base plate 1, and the screw hole 24 is provided with a positioning bolt 5 for restricting the relative rotation between the inspection jig base plate 1 and the inspection jig upper cover 2. By arranging the positioning bolt 5, when in measurement, the positioning bolt 5 is screwed, so that the bottom plate 1 of the inspection clamp and the upper cover 2 of the inspection clamp can not rotate relatively any more, the position of the movable pin 4 is fixed, and the measurement error caused by the position change of the movable pin 4 is reduced.
As shown in fig. 1, 2 and 3, the bottom plate guide groove 11 and the upper cover guide groove 21 extend smoothly outwards from the position close to the axle center, and at least one group of bottom plate guide grooves 11 and upper cover guide grooves 21 form an included angle with the diameter direction.
As shown in fig. 1, 2 and 3, the bottom plate guide groove 11 and the upper cover guide groove 21 are circular arc guide grooves extending from the inside to the outside and arrayed at equal intervals in the circumferential direction, and the openings of the upper cover guide groove 21 and the bottom plate guide groove 11 are arranged opposite to each other. The shape can facilitate the concentric circle scaling action of the movable pin shaft in the radial direction.
Example two
As shown in fig. 5 and 6, the same or corresponding parts as those in the first embodiment are given the same reference numerals as those in the first embodiment, and only the points of distinction from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that: the bottom plate guide groove 11 is in a waist hole shape and extends outwards along the radial direction of the inspection clamp bottom plate 1, and the upper cover guide groove 21 is in a circular arc shape with an inner part extending outwards and a circumferential array. In the second embodiment, a structure that can achieve the measuring effect of the present utility model is listed, and it can be seen that the same effect as the present utility model can be achieved as long as the moving pin 4 can perform concentric circle scaling operation under the restriction of the bottom plate guide groove 11 and the upper cover guide groove 21.
Example III
As shown in fig. 1 to 6, wherein the same or corresponding parts as those in the first embodiment are denoted by the corresponding reference numerals as in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity. The third embodiment is different from the first embodiment in that: preferably, the number of the bottom plate guide groove 11, the upper cover guide groove 21 and the moving pin 4 is identical, and the number of the above structures or components of the present utility model is 6. The more the number of guide grooves and the moving pins 4, the more circular the graph obtained by connecting adjacent moving pins 4 is, so that the more the number of moving pins is, the higher the accuracy of measurement is, if the condition allows, but if the number of moving pins 4 and the number of guide grooves are increased, the structure of the utility model becomes complicated, and the production and the use are inconvenient. The utility model optimizes the number of the guide grooves and the movable pin shafts 4 to be 6, and balances the measurement precision and the production and use cost.
Working procedure
Firstly, placing a sealing ring to be tested on an upper cover 2 of a test fixture, and placing a movable pin shaft 4 in (or out of) the sealing ring;
and step two, rotating the inspection clamp bottom plate 1 or the inspection clamp upper cover 2 to enable the movable pin shafts 4 to do concentric circle reciprocating motion, and screwing the limit bolts to enable the inspection clamp bottom plate 1 and the inspection clamp upper cover 2 not to rotate relatively when all the movable pin shafts 4 just contact the inner diameter (or the outer diameter) of the sealing ring to be detected.
And thirdly, measuring the distance between the diagonally-moving pins at the moment, and obtaining accurate data of the inner diameter (or the outer diameter) of the sealing ring.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The checking fixture for the sealing ring is characterized by comprising a checking fixture bottom plate, a checking fixture upper cover arranged above the checking fixture bottom plate, a positioning pin shaft for connecting the checking fixture bottom plate and the checking fixture upper cover, and a plurality of movable pin shafts;
The inspection fixture comprises a bottom plate, a plurality of bottom plate guide grooves are formed in the bottom plate of the inspection fixture, a plurality of upper cover guide grooves are formed in the upper cover of the inspection fixture, the movable pin shafts penetrate through the bottom plate guide grooves and the upper cover guide grooves, and the rotation of the upper cover of the inspection fixture synchronously changes the distances between the pin shafts and the center of the upper cover of the inspection fixture.
2. The gauge for sealing rings of claim 1, wherein the inspection fixture bottom plate is provided with a bottom plate positioning hole, and the inspection fixture upper cover is provided with an upper cover positioning hole.
3. The gauge for sealing rings according to claim 2, wherein the inspection jig bottom plate and the inspection jig upper cover are disc-shaped, the bottom plate positioning hole is formed in the geometric center of the inspection jig bottom plate, and the upper cover positioning hole is formed in the geometric center of the inspection jig upper cover.
4. A gauge for sealing rings according to claim 3, wherein the clamp base plate and the inspection clamp upper cover are coaxially and rotatably connected by the positioning pin, and the positioning pin is disposed at the base plate positioning hole and the upper cover positioning hole.
5. The gauge for sealing rings according to claim 1, wherein any one of the moving pins is equidistant from the axis of the positioning pin and reciprocates in the bottom plate guide groove and the upper cover guide groove.
6. The gauge for sealing rings according to claim 1, wherein the upper cover of the inspection fixture is further provided with a cover peripheral edge protruding downwards, and four threaded holes are uniformly distributed on the cover peripheral edge in the circumferential direction.
7. The tool of any one of claims 1-6, wherein the bottom plate channel and the top cover channel extend smoothly outward from a position near the axis, and wherein at least one set of bottom plate channel and top cover channel form an angle with the radial direction.
8. The gauge for sealing rings according to claim 7, wherein the bottom plate guide groove and the upper cover guide groove are circular arc guide grooves extending from the inside to the outside and arrayed circumferentially at equal intervals, and the openings of the upper cover guide groove and the bottom plate guide groove are arranged oppositely.
9. The gauge of claim 7, wherein the bottom plate guide groove is a radially uniform array of kidney-hole shaped guide grooves, and the top cover guide groove is an internally outwardly extending circumferentially uniform array of circular arc shaped guide grooves.
10. The gauge for sealing rings according to any one of claims 8 or 9, wherein the number of the bottom plate guide groove, the upper cover guide groove and the moving pin shaft is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322714087.6U CN220982151U (en) | 2023-10-10 | 2023-10-10 | Check tool for sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322714087.6U CN220982151U (en) | 2023-10-10 | 2023-10-10 | Check tool for sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220982151U true CN220982151U (en) | 2024-05-17 |
Family
ID=91041203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322714087.6U Active CN220982151U (en) | 2023-10-10 | 2023-10-10 | Check tool for sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220982151U (en) |
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2023
- 2023-10-10 CN CN202322714087.6U patent/CN220982151U/en active Active
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