CN210603106U - Measure measuring apparatu of round hole internal diameter - Google Patents
Measure measuring apparatu of round hole internal diameter Download PDFInfo
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- CN210603106U CN210603106U CN201921598041.XU CN201921598041U CN210603106U CN 210603106 U CN210603106 U CN 210603106U CN 201921598041 U CN201921598041 U CN 201921598041U CN 210603106 U CN210603106 U CN 210603106U
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- measuring head
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- circular hole
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Abstract
The utility model provides a measuring instrument for measuring the inner diameter of a round hole, which comprises a measuring head component, a connecting rod and a positioning piece, wherein the connecting rod and the positioning piece are both vertically arranged on the measuring head component; the measuring head assembly comprises a body unit, a fixed measuring head unit and a movable measuring head unit, wherein the fixed measuring head unit and the movable measuring head unit are positioned at two ends of the body unit; the fixed measuring head and the movable measuring head are both abutted against the inner wall of the circular hole in the measuring process, and meanwhile, the positioning piece is abutted against the inner wall of the circular hole. The utility model discloses simple structure can fix a position fast and well the gauge head subassembly is located the round hole position and accurately surveys round hole internal diameter size.
Description
Technical Field
The utility model relates to an instrument field of measurationing, concretely relates to measure measuring apparatu of round hole internal diameter.
Background
At present, to the measurement of round hole internal diameter, generally use internal diameter percentage table or internal diameter micrometer, but survey personnel need carry the internal diameter micrometer and get into the work piece hole and measure, and this type of internal diameter scale adopts mechanical transmission, through swing scale, artificial mode realization diameter of finding the flex point aims, and measurement accuracy is not high, measures inconveniently, in the work piece course of working, probably need lift the work piece off from equipment such as lathe, could measure, and is extremely inconvenient.
In the prior art, the patent numbers are: cn201520521010.x discloses a deep hole internal diameter measuring device, which comprises a base 1, a sensor sleeve 2, a connecting rod 3, a spring 4, a set screw 5, a conversion joint 6, a handle rod 7, a joint 8, a handle extension rod 9, a movable measuring head 10, a rotary joint 11, a connecting rod seat 12, an inductance sensor 13 and rotating wheels 14, wherein two rotating wheels 14 are installed at two ends of the base 1, when the device is used for measuring, the measuring end needs to be stretched into an inner hole, in order to measure the diameter of the inner hole, the rotating wheels at two ends of the base need to be swung to find an inflection point, the operation is inconvenient, the inflection point is found by swinging the measuring device manually, the error is large, the deviation is easy, and the precision of measuring the diameter of the inner hole is low.
Disclosure of Invention
In order to overcome the defect among the prior art, the embodiment of the utility model provides a measure measuring apparatu of round hole internal diameter, the internal diameter size of accurate measurement round hole fast.
The embodiment of the application discloses: a measuring instrument for measuring the inner diameter of a circular hole comprises a measuring head component, a connecting rod and a positioning piece, wherein the connecting rod and the positioning piece are both vertically arranged on the measuring head component; the measuring head assembly comprises a body unit, a fixed measuring head unit and a movable measuring head unit, wherein the fixed measuring head unit and the movable measuring head unit are positioned at two ends of the body unit;
the fixed measuring head and the movable measuring head are both abutted against the inner wall of the circular hole in the measuring process, meanwhile, the positioning piece is always abutted against the inner wall of the circular hole, and the central axis of the positioning piece is perpendicular to the central axis of the measuring head component.
Preferably, the positioning piece is a rectangular plate, the positioning piece is provided with at least two side edges capable of abutting against the inner wall of the round hole, and the extending direction of the side edges is parallel to the axial direction of the round hole.
Preferably, the side edges have rounded corners.
Preferably, the connecting rod and the positioning piece are parallel to each other in the same plane.
Preferably, the connecting rod has a first transition rod therein, the body unit has a second transition rod therein, the second transition rod abuts between the movable measuring head and the first transition rod, one end of the first transition rod is connected to the second transition rod, and the other end of the first transition rod is connected to the measured value reading device.
Preferably, the second transition bar is arc-shaped, and the body unit has a mounting groove therein, which is matched to the second transition bar, and the second transition bar is slidable in the mounting groove.
Preferably, the movable probe unit has a slide cavity for movement of the movable probe, and the movable probe is mounted in the slide cavity through a spring member and reciprocates along a length direction of the slide cavity under the action of the spring member.
Preferably, the measurement value reading device is an optional scale table or a digital display table.
The utility model has the advantages as follows:
the utility model discloses a measuring instrument for measuring round hole internal diameter, including gauge head subassembly, connecting rod and setting element, the connecting rod with the setting element is all installed perpendicularly on the gauge head subassembly, when the gauge head subassembly is placed in the round hole of work piece and is carried out the internal diameter size measurement, the gauge head subassembly is placed in the round hole of work piece, the setting direction of fixed gauge head and movable gauge head in the gauge head subassembly is perpendicular to the round hole axis direction, and fixed gauge head and movable gauge head all support on the inner wall of round hole, simultaneously the setting element supports against on the round hole inner wall all the time in the measuring process of measuring instrument, because the setting element is the rectangle, the setting element can move along the round hole axial direction in the round hole placing process of gauge head subassembly, and the central axis of setting element is parallel with the round hole axis all the time, the central axis of setting element with, consequently with the axis of setting element vertically gauge head subassembly perpendicular to round hole all the time and do not take place the skew, and then the activity gauge head on the gauge head subassembly also does not take place the skew with fixed gauge head, and this measuring apparatu simple structure can fix a position the position of fixed gauge head and activity gauge head fast through the setting element, need not look for the flex point, measures convenient and fast, and the data that record are accurate, further improve the precision of work piece.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic sectional structure diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a positioning member according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram in the embodiment of the present invention.
In the figure: 100. a workpiece;
1. a probe assembly; 10. a body unit; 101. a second transition bar; 102. mounting grooves; 11. a fixed probe unit; 110. fixing a measuring head; 12. a movable probe unit; 120. a movable measuring head; 121. a slide chamber; 122. a spring member; 2. a connecting rod; 21. a first transition bar; 3. a positioning member; 30. and (4) side edges.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention:
as shown in fig. 1, 2 and 3, the utility model provides a measuring instrument for measuring the inner diameter of a circular hole, which comprises a measuring head component 1, a connecting rod 2 and a positioning component 3, wherein the connecting rod 2 and the positioning component 3 are both vertically installed on the measuring head component 1, one end of the connecting rod 2 is installed on the measuring head component 1, and the other end is detachably installed with a measuring value reading device (not shown in the figure); the measuring head assembly 1 comprises a body unit 10, and a fixed measuring head unit 11 and a movable measuring head unit 12 which are positioned at two ends of the body unit 10, wherein the fixed measuring head unit 11 is provided with a fixed measuring head 110, the movable measuring head unit 12 is provided with a movable measuring head 120, and the movable measuring head 120 can elastically move along the length direction of the measuring head assembly; the fixed measuring head 110 and the movable measuring head 120 are both abutted against the inner wall of the circular hole of the workpiece 100 in the measuring process, meanwhile, the positioning element 3 is always abutted against the inner wall of the circular hole, and the central axis of the positioning element 3 is perpendicular to the central axis of the measuring head assembly 1.
Because the connecting rod 2 and the positioning element 3 are both vertically installed on the measuring head component 1, when the measuring instrument measures the inner diameter of the round hole of the workpiece 100, the measuring head component 1 is axially placed in the round hole of the workpiece 100 along the round hole by holding the connecting rod 2, the arrangement directions of the fixed measuring head 110 and the movable measuring head 120 in the measuring head component 1 are perpendicular to the axial direction of the round hole, the fixed measuring head 110 and the movable measuring head 120 are both abutted against the inner wall of the round hole, meanwhile, the positioning element 3 is always abutted against the inner wall of the round hole in the measuring process of the measuring instrument, the positioning element 3 can axially move along the round hole in the process of placing the measuring head component 1 in the round hole, the central axis of the positioning element 3 is always parallel to the axis of the round hole, the central axis of the positioning element 3 is mutually perpendicular to the central axis of the measuring head component 1, and the, and then the movable gauge head 120 on the gauge head component 1 does not deviate from the fixed gauge head 110, the measuring instrument is simple in structure, the positions of the fixed gauge head 110 and the movable gauge head 120 can be quickly positioned through the positioning piece 3, the inflection point does not need to be found, the measurement is convenient and quick, and the measured data is accurate.
As shown in fig. 3 and 4, in this embodiment, the positioning element 3 is a rectangular plate, the positioning element has at least two sides 30 that can lean on the inner wall of the circular hole, the sides 30 have rounded corners, the positioning element 3 that is convenient for can lean on the inner wall of the circular hole more accurately, the extending direction of the sides 30 is parallel to the axial direction of the circular hole, the positioning element 3 leans on the inner wall of the circular hole all the time when moving along the axial direction of the circular hole, the sides of the positioning element 3 lean on the inner wall of the circular hole to compare the inside that the rotating wheel leaned on the circular hole in the past, point contact in the past becomes line contact, therefore, the positioning element does not deviate, thereby the length extending direction of the measuring head assembly 1 can be perpendicular to the axial direction of the circular hole all the time, and.
As shown in fig. 1 and fig. 2, in this embodiment, the connecting rod 2 and the positioning element 3 are parallel to each other in the same plane, so that when the measuring head assembly is placed in a circular hole by the connecting rod 2, the positioning element 3 can enter the circular hole without tilting. The connecting rod 2 is provided with a first transition rod 21, the body unit 10 is provided with a second transition rod 101, the second transition rod 101 is abutted between the movable measuring head 120 and the first transition rod 21, one end of the first transition rod 21 is connected to the second transition rod 101, and the other end of the first transition rod 21 is connected to the measured value reading device. The second transition rod 101 is arc-shaped, the body unit 10 has a mounting groove 102 matched with the second transition rod 101, the second transition rod 101 can slide in the mounting groove 102, the movable probe 120 in the probe assembly 1 can push the second transition rod 101 to move when moving, and further push the first transition rod 21 to move, so that the moving distance of the movable probe 120 is transmitted to a measurement value reading device, the value is accurate, and the size value of the inner diameter of the circular hole displayed by the measurement value reading device is accurate.
As shown in fig. 1 and 2, the movable probe unit 12 has a slide cavity 121 for moving the movable probe 120, the movable probe 120 is mounted in the slide cavity 121 through a spring 122, and reciprocates along the length direction of the slide cavity 121 under the action of the spring 122, when the measuring instrument performs measurement, the movable probe 120 always abuts against the inner wall of the circular hole, and the movable probe 120 can freely stretch and retract under the elastic action of the spring 122 along with the size of the inner diameter of the circular hole.
In another embodiment, the measuring value reading device is an optional scale meter (not shown) or a digital display meter (not shown), and the required measuring value reading device can be installed according to requirements, so that the device is convenient to disassemble.
During the measurement, only need handheld connecting rod 2 to place gauge head subassembly 1 in the 100 round holes of work piece, the length direction perpendicular to round hole's that is located gauge head subassembly 1 in the round hole axial, setting element 3 on the gauge head subassembly 1 removes and supports and lean on the round hole side edge and do not take place the skew along round hole axial direction, movable gauge head 120 and fixed gauge head 110 on the gauge head subassembly 1 all support on the round hole inner wall, movable gauge head 120 and fixed gauge head 110 record round hole internal diameter size promptly, and demonstrate through measuring numerical value reading device, it is swift convenient to measure, the precision is accurate.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. A measuring instrument for measuring the inner diameter of a circular hole is characterized by comprising a measuring head component, a connecting rod and a positioning piece, wherein the connecting rod and the positioning piece are both vertically arranged on the measuring head component; the measuring head assembly comprises a body unit, a fixed measuring head unit and a movable measuring head unit, wherein the fixed measuring head unit and the movable measuring head unit are positioned at two ends of the body unit;
the fixed measuring head and the movable measuring head are both abutted against the inner wall of the circular hole in the measuring process, meanwhile, the positioning piece is always abutted against the inner wall of the circular hole, and the central axis of the positioning piece is perpendicular to the central axis of the measuring head component.
2. The measuring instrument according to claim 1, wherein the positioning member is a rectangular plate, the positioning member has at least two side edges capable of abutting against the inner wall of the circular hole, and the extending direction of the side edges is parallel to the axial direction of the circular hole.
3. The gauge as defined in claim 2, wherein the sides have rounded corners.
4. The surveying instrument according to claim 2, characterized in that the connecting rod and the positioning member are parallel to each other in the same plane.
5. A measuring instrument according to claim 1, characterized in that the connecting rod has a first transition rod therein, the body unit has a second transition rod therein, the second transition rod abuts between the movable measuring head and the first transition rod, one end of the first transition rod is connected to the second transition rod, and the other end is connected to the measured value reading device.
6. The surveying instrument according to claim 5, wherein the second transition bar is arc-shaped, and the body unit has a mounting groove therein matching the second transition bar, the second transition bar being slidable within the mounting groove.
7. A meter according to claim 5, wherein the movable probe unit has a slide chamber for movement of the movable probe, the movable probe being mounted in the slide chamber by a spring member and being reciprocated along the length of the slide chamber by the spring member.
8. The meter of claim 1, wherein the measurement value reading device is a dial gauge or a digital display gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598041.XU CN210603106U (en) | 2019-09-24 | 2019-09-24 | Measure measuring apparatu of round hole internal diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598041.XU CN210603106U (en) | 2019-09-24 | 2019-09-24 | Measure measuring apparatu of round hole internal diameter |
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| CN210603106U true CN210603106U (en) | 2020-05-22 |
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| CN201921598041.XU Active CN210603106U (en) | 2019-09-24 | 2019-09-24 | Measure measuring apparatu of round hole internal diameter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587881A (en) * | 2021-08-06 | 2021-11-02 | 沈阳增材智造技术研究院有限公司 | Inner diameter detection equipment |
-
2019
- 2019-09-24 CN CN201921598041.XU patent/CN210603106U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587881A (en) * | 2021-08-06 | 2021-11-02 | 沈阳增材智造技术研究院有限公司 | Inner diameter detection equipment |
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