CN213301055U - Double-layer inner diameter measurement gauge - Google Patents
Double-layer inner diameter measurement gauge Download PDFInfo
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- CN213301055U CN213301055U CN202022291406.3U CN202022291406U CN213301055U CN 213301055 U CN213301055 U CN 213301055U CN 202022291406 U CN202022291406 U CN 202022291406U CN 213301055 U CN213301055 U CN 213301055U
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Abstract
The utility model discloses a double-layer inner diameter measuring gauge, which comprises an X-axis carbon fiber measuring rod, wherein longitudinal connecting plates are arranged at two ends of the X-axis carbon fiber measuring rod, the top end of each longitudinal connecting plate is fixedly connected with the middle part of a supporting rod, the supporting rods are distributed along the Y-axis direction, rubber supports are respectively arranged at two ends of the bottom surface of each supporting rod, a first dial indicator is arranged at one end of the X-axis carbon fiber measuring rod, a measuring head of the first dial indicator passes through a through hole arranged on the longitudinal connecting plates and protrudes out of the longitudinal connecting plates, a fixed measuring head is arranged at the other end of the X-axis carbon fiber measuring rod, the bottom end surface of the middle part of the X-axis carbon fiber measuring rod is connected with the top end of a connecting seat, the bottom end of the connecting seat is connected with the Y-axis carbon fiber measuring rod, an adjusting nut is rotatably supported at, a threaded hole for connecting a limiting screw rod 9 is formed in the connecting seat 6, and the limiting screw rod and the X-axis carbon fiber measuring rod form an included angle of 45 degrees in space.
Description
Technical Field
The utility model relates to an examine utensil, especially a double-deck internal diameter measurement examines utensil.
Background
Before a workpiece leaves a factory, various parameters (mainly dimensional accuracy) of the workpiece are often detected by using detection tools, the detection tools are various, and a plurality of corresponding detection tools are provided for detecting conventional dimensions such as length, width, height, outer diameter and inner diameter. However, some special-shaped workpieces, such as the workpiece shown in fig. 1, may sometimes be encountered, and the inner hole of the workpiece has a special shape with a thin middle part and wide two ends, so that if the conventional gauge for measuring the inner diameter is used for detection, the detection needs to be performed twice (the gauge is placed into the detection from the top once, and the gauge is placed into the detection from the bottom once), and the workload is increased. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, rationally distributed can carry out measuring utensil of examining simultaneously to two internal diameters in one operation.
The technical solution of the utility model is that: the utility model provides a double-deck internal diameter measurement examines utensil which characterized in that: the checking fixture comprises an X-axis carbon fiber measuring rod 1, wherein longitudinal connecting plates 2 are arranged at two ends of the X-axis carbon fiber measuring rod 1, the top ends of the longitudinal connecting plates 2 are fixedly connected with the middle part of a supporting rod 3, the supporting rods 3 are distributed along the Y-axis direction, rubber supports 4 are respectively arranged at two ends of the bottom surface of the supporting rod 3, a first dial indicator 5 is further arranged at one end of the X-axis carbon fiber measuring rod 1, a measuring head of the first dial indicator 5 penetrates through a through hole formed in the longitudinal connecting plate 2 and protrudes out of the longitudinal connecting plate 2, a fixed measuring head is arranged at the other end of the X-axis carbon fiber measuring rod 1,
the bottom end face of the middle part of the X-axis carbon fiber measuring rod 1 is connected with the top end of a connecting seat 6, the bottom end of the connecting seat 6 is connected with a Y-axis carbon fiber measuring rod 7, an adjusting nut 8 is rotatably supported in the middle part of the connecting seat 6, a limiting screw 9 is connected with the inner thread of the adjusting nut 8, a threaded hole for connecting the limiting screw 9 is formed in the connecting seat 6, the limiting screw 9 forms an included angle of 45 degrees with the X-axis carbon fiber measuring rod 1 in space, the X-axis carbon fiber measuring rod 1 is perpendicular to the Y-axis carbon fiber measuring rod 7,
one end of the Y-axis carbon fiber measuring rod 7 is provided with a fixed measuring head, the inside of the other end is connected with a measuring rod 10 in a sliding manner, one end of the measuring rod 10, which is positioned at the outer side of the Y-axis carbon fiber measuring rod 7, is provided with a movable measuring head 11, a spring 12 is arranged in the Y-axis carbon fiber measuring rod 7, the end part of the spring 12 is propped against one end of the Y-axis carbon fiber measuring rod 7, which is far away from the movable measuring head 11,
the upper end surface of the Y-axis carbon fiber measuring rod 7 is provided with a second dial indicator 13, a measuring head of the second dial indicator 13 penetrates through a through hole formed in the side wall of the connecting seat 6 and is positioned in an inner cavity of the connecting seat 6, a measuring block 14 is fixedly connected to the measuring rod 10 and is also positioned in the inner cavity of the connecting seat 6, the measuring block 14 can be contacted with the measuring head of the second dial indicator 13, the measuring block 14 is also connected with a driving rod 15, the driving rod 15 is slidably connected to a long hole 16 formed in the side wall of the connecting seat 6, a locking block 18 is rotatably connected to the inner cavity of the connecting seat 6 through a rotating shaft 17, the rotating shaft 17 is positioned above the long hole 16, a locking shaft 19 is arranged on the locking block 18, the locking shaft 19 can freely enter and exit from a locking groove 20 in the swinging process of the locking block 18, and the locking groove is formed in the side wall of the connecting seat 6, and is communicated with the long hole 16, and when the locking block 18 is in a non-horizontal state, the locking block is interfered with the motion track of the driving rod 15.
Compared with the prior art, the utility model, have following advantage:
the double-layer inner diameter measuring gauge with the structure is simple in structure, ingenious in design and reasonable in layout, and a special structure is designed for the practical problem that inner holes of workpieces with special shapes (shown in figure 1) need to be detected twice in two directions during detection. The inner diameter detection device can detect the inner diameters of the upper layer and the lower layer of the special inner hole at one time, greatly reduces the labor amount of an operator, and can improve the working efficiency. The method has the advantages of simple operation process, simple manufacturing process and low manufacturing cost, can ensure the detection precision, has various advantages, is particularly suitable for popularization and application in the field, and has wide market prospect.
Drawings
Fig. 1 is a schematic structural diagram of a workpiece to which an embodiment of the present invention is directed.
Fig. 2 is a schematic perspective view of an embodiment of the present invention.
Fig. 3 is a plan view of the embodiment of the present invention in an operating state.
Fig. 4 is a schematic structural diagram of the second dial indicator of the embodiment of the present invention in the measurement state.
Fig. 5 is a schematic structural diagram of a second dial indicator in a non-measuring state according to an embodiment of the present invention.
Detailed Description
The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1 to 5: a double-layer inner diameter measuring gauge comprises an X-axis carbon fiber measuring rod 1, wherein longitudinal connecting plates 2 are arranged at two ends of the X-axis carbon fiber measuring rod 1, the top ends of the longitudinal connecting plates 2 are fixedly connected with the middle part of a supporting rod 3, the supporting rods 3 are distributed along the Y-axis direction, rubber supports 4 are respectively arranged at two ends of the bottom surface of the supporting rod 3, a first dial indicator 5 is further arranged at one end of the X-axis carbon fiber measuring rod 1, a measuring head of the first dial indicator 5 penetrates through a through hole formed in the longitudinal connecting plate 2 and protrudes out of the longitudinal connecting plate 2, a fixed measuring head is arranged at the other end of the X-axis carbon fiber measuring rod 1,
the bottom end face of the middle part of the X-axis carbon fiber measuring rod 1 is connected with the top end of a connecting seat 6, the bottom end of the connecting seat 6 is connected with a Y-axis carbon fiber measuring rod 7, an adjusting nut 8 is rotatably supported in the middle part of the connecting seat 6, a limiting screw 9 is connected with the inner thread of the adjusting nut 8, a threaded hole for connecting the limiting screw 9 is formed in the connecting seat 6, the limiting screw 9 forms an included angle of 45 degrees with the X-axis carbon fiber measuring rod 1 in space, the X-axis carbon fiber measuring rod 1 is perpendicular to the Y-axis carbon fiber measuring rod 7,
one end of the Y-axis carbon fiber measuring rod 7 is provided with a fixed measuring head, the inside of the other end is connected with a measuring rod 10 in a sliding manner, one end of the measuring rod 10, which is positioned at the outer side of the Y-axis carbon fiber measuring rod 7, is provided with a movable measuring head 11, a spring 12 is arranged in the Y-axis carbon fiber measuring rod 7, the end part of the spring 12 is propped against one end of the Y-axis carbon fiber measuring rod 7, which is far away from the movable measuring head 11,
the upper end surface of the Y-axis carbon fiber measuring rod 7 is provided with a second dial indicator 13, a measuring head of the second dial indicator 13 penetrates through a through hole formed in the side wall of the connecting seat 6 and is positioned in an inner cavity of the connecting seat 6, a measuring block 14 is fixedly connected to the measuring rod 10 and is also positioned in the inner cavity of the connecting seat 6, the measuring block 14 can be contacted with the measuring head of the second dial indicator 13, the measuring block 14 is also connected with a driving rod 15, the driving rod 15 is slidably connected to a long hole 16 formed in the side wall of the connecting seat 6, a locking block 18 is rotatably connected to the inner cavity of the connecting seat 6 through a rotating shaft 17, the rotating shaft 17 is positioned above the long hole 16, a locking shaft 19 is arranged on the locking block 18, the locking shaft 19 can freely enter and exit from a locking groove 20 in the swinging process of the locking block 18, and the locking groove is formed in the side wall of the connecting seat 6, and is communicated with the long hole 16, and when the locking block 18 is in a non-horizontal state, the locking block is interfered with the motion track of the driving rod 15.
The working process of the double-layer inner diameter measuring gauge in the structural form is as follows: when the inner diameter of the workpiece shown in fig. 1 needs to be detected, firstly, the driving rod 15 is pulled to move to one end of the long hole 16 away from the driving rod 15 (the spring 12 is compressed and the measuring rod 10 is recovered), at this time, the driving rod 15 is not in contact with the bottom end face of the locking block 18 at all, that is, the driving rod 15 does not support the locking block 18 any more, so under the action of the self weight, the locking block 18 swings counterclockwise, the end part of the locking block falls onto the path of the reverse movement of the driving rod 15, at this time, under the action of the locking block 18, the driving rod 15 cannot return to the initial position, that is, under the locking action of the locking block 18, the measuring rod 10 is always kept;
in this state, the checking fixture is placed into the special-shaped inner hole of the workpiece to be checked from the top, and the measuring rod 10 is always in a recovery state under the action of the locking block 18, so that the overall length of the Y-axis carbon fiber measuring rod 7 is relatively short, the Y-axis carbon fiber measuring rod 7 can penetrate through the middle part of the thin inner hole to be checked in this state, when the rubber support 4 at the bottom end of the supporting rod 3 is contacted with the upper surface of the workpiece to be checked, the X-axis carbon fiber measuring rod 1 and the Y-axis carbon fiber measuring rod 7 are respectively positioned at the upper half part and the lower half part of the inner hole to be checked, when the checking fixture is manufactured, the overall lengths of the longitudinal connecting plate 2 and the connecting seat 6 are selected according to the specific size of the workpiece to be checked, so that the X-axis carbon fiber measuring rod 1 and the Y-axis carbon fiber measuring rod 7 can be symmetrically distributed in the special-shaped inner hole, then the adjusting nut 8, until the end part of the limit screw 9 is abutted against the inner wall of the center of the inner hole to be detected, the longitudinal positioning of the checking fixture is completed;
then an operator pulls the locking shaft 19 upwards to enable the locking shaft 19 to return to the locking groove 20 from the long hole 16 again, so that the locking block 18 is driven to return to a horizontal state again, the measuring block 14 which is not blocked by the locking block 18 moves towards the direction of the second dial indicator 13 under the action of the spring 12 until the side wall of the measuring block 14 is contacted with a measuring head of the second dial indicator 13, at the moment, the movable measuring head 11 positioned at the tail end of the measuring rod 10 also abuts against the inner wall of the measured inner hole, namely, the displacement of the measuring rod 10 is transmitted to the second dial indicator 13 through the measuring block 14 fixedly connected with the measuring rod, and the preparation work is finished;
at the moment, a fixed measuring head at one end of the X-axis carbon fiber measuring rod 1 and a measuring head of the first dial indicator 5 are abutted against the inner wall of the upper half part of the inner hole to be measured, a fixed measuring head at one end of the Y-axis carbon fiber measuring rod 7 and a movable measuring head 11 at the end part of the measuring rod 10 are abutted against the inner wall of the lower half part of the inner hole to be measured, and the displacement of the measuring rod 10 can be transmitted to the second dial indicator 13 through the measuring block 14;
a worker drives the device to rotate at a constant speed, the readings on the first dial indicator 5 and the second dial indicator 13 are respectively observed in the rotating process, if the readings exceed a specified error range, the inner diameter of the inner hole of the workpiece to be measured does not meet the factory requirement, otherwise, the workpiece to be measured is qualified;
the detection of the workpiece with the special inner hole can be completed at one time by utilizing the detection tool.
Claims (1)
1. The utility model provides a double-deck internal diameter measurement examines utensil which characterized in that: the checking fixture comprises an X-axis carbon fiber measuring rod (1), wherein longitudinal connecting plates (2) are arranged at two ends of the X-axis carbon fiber measuring rod (1), the top ends of the longitudinal connecting plates (2) are fixedly connected with the middle part of a supporting rod (3), the supporting rod (3) is distributed along the Y-axis direction, rubber supports (4) are respectively arranged at two ends of the bottom surface of the supporting rod (3), a first dial indicator (5) is also arranged at one end of the X-axis carbon fiber measuring rod (1), a measuring head of the first dial indicator (5) penetrates through a through hole formed in the longitudinal connecting plate (2) and protrudes out of the longitudinal connecting plate (2), and a fixed measuring head is arranged at the other end of the X-axis carbon fiber measuring rod (1),
the bottom end face of the middle part of the X-axis carbon fiber measuring rod (1) is connected with the top end of the connecting seat (6), the bottom end of the connecting seat (6) is connected with the Y-axis carbon fiber measuring rod (7), the middle part of the connecting seat (6) is rotatably supported with an adjusting nut (8), the adjusting nut (8) is in internal thread connection with a limiting screw rod (9), a threaded hole for connecting the limiting screw rod (9) is formed in the connecting seat (6), the limiting screw rod (9) forms a 45-degree included angle with the X-axis carbon fiber measuring rod (1) in space, the X-axis carbon fiber measuring rod (1) and the Y-axis carbon fiber measuring rod (7) are perpendicular to each other,
one end of the Y-axis carbon fiber measuring rod (7) is provided with a fixed measuring head, the inside of the other end is connected with a measuring rod (10) in a sliding manner, one end of the measuring rod (10) positioned outside the Y-axis carbon fiber measuring rod (7) is provided with a movable measuring head (11), a spring (12) is arranged in the Y-axis carbon fiber measuring rod (7), the end part of the spring (12) is propped against one end of the Y-axis carbon fiber measuring rod (7) far away from the movable measuring head (11),
the upper end surface of the Y-axis carbon fiber measuring rod (7) is provided with a second dial indicator (13), a measuring head of the second dial indicator (13) penetrates through a through hole formed in the side wall of the connecting seat (6) and is positioned in an inner cavity of the connecting seat (6), a measuring block (14) is fixedly connected onto the measuring rod (10), the measuring block (14) is also positioned in the inner cavity of the connecting seat (6), the measuring block (14) can be contacted with the measuring head of the second dial indicator (13), the measuring block (14) is also connected with a driving rod (15), the driving rod (15) is slidably connected into a long hole (16) formed in the side wall of the connecting seat (6), a locking block (18) is rotatably connected into the inner cavity of the connecting seat (6) through a rotating shaft (17), the rotating shaft (17) is positioned above the long hole (16), and a locking shaft (19) is arranged on the locking block (18), the locking shaft (19) can freely enter and exit the locking groove (20) in the swinging process of the locking block (18), the locking groove is formed in the side wall of the connecting seat (6) and communicated with the long hole (16), and when the locking block (18) is in a non-horizontal state, the locking shaft and the driving rod (15) are mutually interfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022291406.3U CN213301055U (en) | 2020-10-15 | 2020-10-15 | Double-layer inner diameter measurement gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022291406.3U CN213301055U (en) | 2020-10-15 | 2020-10-15 | Double-layer inner diameter measurement gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213301055U true CN213301055U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022291406.3U Active CN213301055U (en) | 2020-10-15 | 2020-10-15 | Double-layer inner diameter measurement gauge |
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| Country | Link |
|---|---|
| CN (1) | CN213301055U (en) |
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- 2020-10-15 CN CN202022291406.3U patent/CN213301055U/en active Active
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