CN219934925U - Measuring device - Google Patents
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- CN219934925U CN219934925U CN202321693704.2U CN202321693704U CN219934925U CN 219934925 U CN219934925 U CN 219934925U CN 202321693704 U CN202321693704 U CN 202321693704U CN 219934925 U CN219934925 U CN 219934925U
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- 238000012937 correction Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims description 33
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 3
- 241001422033 Thestylus Species 0.000 claims 1
- 238000009434 installation Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of oil inlet holes of parts, and provides a measuring device for measuring the distance between the center of an oil inlet hole of a workpiece and a mounting wall positioned at the front end of the oil inlet hole, which comprises the following components: a positioning part having a first step extending in a first direction; the measuring part comprises a display instrument and a measuring head extending along a first direction, and the measuring head penetrates through the end face of the positioning part and extends out towards the end face of the first stage step; the cylindrical part is partially inserted into the oil inlet hole, and the central axis of the cylindrical part coincides with the central axis of the oil inlet hole; in the correction state of the measuring device, a target interval is formed between the measuring head and the end face of the first-stage step, and the display instrument is zeroed; in the measuring state of the measuring device, the end face of the first stage step is abutted against the mounting wall, the measuring head is abutted against the cylindrical piece, and the display instrument displays the measured value. According to the measuring device, the positioning part is matched with the measuring part, and the cylindrical part is combined, so that the distance between the mounting wall and the center of the oil inlet hole is measured efficiently, conveniently and accurately.
Description
Technical Field
The utility model relates to the technical field of oil inlet holes of parts, in particular to a measuring device.
Background
The parts of the brake caliper body and the like are provided with oil inlet holes. The oil inlet is used for supplying oil to the inside of the workpiece, so that the lubricity of the parts inside the workpiece is ensured. The front end of the oil inlet is provided with a mounting wall for mounting the oil inlet pipeline, and the distance between the mounting wall and the center of the oil inlet is required to meet design requirements so as to ensure that the oil inlet pipeline is stably mounted and avoid falling off and oil leakage of a joint part where the oil inlet pipeline is connected with the oil inlet.
Conventionally, three-coordinate measurement is used for analyzing the distance between the installation wall and the center of the oil inlet, multiple parameters of the oil inlet and the installation wall are required to be measured based on a three-coordinate system for calculation and analysis, and the whole process is long in time consumption and low in speed, so that the improvement of production efficiency is not facilitated.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the utility model and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
In view of the above, the utility model provides a measuring device, which can realize efficient, convenient and accurate measurement of the distance between the mounting wall and the center of the oil inlet hole by combining the cylindrical part through the matching of the positioning part and the measuring part.
One aspect of the present utility model provides a measuring apparatus for measuring a distance between an oil inlet center of a work and a mounting wall located at a front end of the oil inlet, the measuring apparatus comprising: a positioning part having a first step extending in a first direction; the measuring part comprises a display instrument and a measuring head extending along the first direction, and the measuring head penetrates through the end face of the positioning part and extends towards the end face of the first-stage step; the cylindrical part is partially inserted into the oil inlet hole, and the central axis of the cylindrical part is coincident with the central axis of the oil inlet hole; in the correction state of the measuring device, a target interval is formed between the measuring head and the end face of the first-stage step, and the display instrument is zeroed; in the measurement state of the measuring device, the end face of the first stage step is abutted against the mounting wall, the measuring head is abutted against the cylindrical part, and the display instrument displays the measured value.
According to the measuring device, the oil inlet is led outwards through the cylindrical part which is partially inserted into the oil inlet and the central axis of which coincides with the central axis of the oil inlet, so that the distance between the mounting wall and the center of the oil inlet is measured; through the cooperation of the first-stage step of locating part and measuring part, under the correction state, interval target interval, the display instrument between gauge head and the first-stage step return to zero, under the measurement state, first-stage step butt mounting wall, gauge head butt cylindricality spare, display instrument demonstration measured value to this realizes the high-efficient, convenient, accurate and the direct-view measurement to the distance between mounting wall and the inlet port center, makes things convenient for on-the-spot technician to carry out quick speed adjustment to the product size according to measuring result, improves mill production efficiency.
In some embodiments, the outer radius of the cylindrical member is less than a target distance of the mounting wall from the center of the oil inlet hole; the target distance is equal to a sum of the outer radius and the target distance.
The outer radius of the cylindrical part is smaller than the target distance between the mounting wall and the center of the oil inlet hole, so that the cylindrical part is convenient to mount, the central axis of the cylindrical part is ensured to coincide with the central axis of the oil inlet hole, and the accurate measurement of the distance between the mounting wall and the center of the oil inlet hole is realized; in addition, the target distance is equal to the sum of the outer radius and the target distance during correction, so that whether the actual distance between the mounting wall and the center of the oil inlet hole meets the design requirement or not can be accurately analyzed according to the measured value.
In some embodiments, the inner wall of the oil inlet hole is provided with threads; the cylindrical member is formed as a screw post screw-engaged with the oil inlet hole.
The installation of cylindricality spare and inlet port spiro union cooperation can conveniently and accurately be realized to cylindricality spare, makes the central axis of cylindricality spare coincide with the central axis of inlet port.
In some embodiments, the first stage step includes a pair of spaced apart jaws; in the measurement state, the pair of claw portions clamp the columnar member.
The first-stage step clamps the cylindrical part through the pair of claw parts, so that the relative positions of the first-stage step, the measuring head and the cylindrical part are kept stable under the measurement state, and the distance between the mounting wall and the center of the oil inlet hole is accurately measured.
In some embodiments, the outer diameter of the cylindrical member is equal to the spacing between the pair of jaws.
Thus, the first-stage step is ensured to stably clamp the cylindrical part in the measuring state, and the central axis of the cylindrical part is prevented from deviating from the central axis of the oil inlet hole due to the fact that the cylindrical part is extruded.
In some embodiments, the measurement device further comprises a check block; in the correction state, the check block and the end face of the first-stage step are arranged on the same plane, the measuring head is abutted against the check block, and the height of the check block along the first direction is equal to the target distance.
Through the check block with the height equal to the target distance, the check block and the first-stage step are arranged on the same plane in a correction state, and accurate correction of the measuring device is realized.
In some embodiments, the positioning portion further has a second step extending along the first direction; the second-stage step is retracted relative to the first-stage step along the first direction, and the height of the check block is equal to the retraction height of the second-stage step relative to the first-stage step; in the correction state, the check block abuts against the second-stage step.
Through the cooperation of second level step and check-up piece, utilize the spacing check-up piece of second level step under the correction state in order to keep the position stability of check-up piece to ensure the interval target interval between gauge head and the first level step, realize measuring device's accurate correction.
In some embodiments, the probe protrudes from an end face portion of the positioning portion between the first stage step and the second stage step.
Therefore, the measuring head is close to the first-stage step, and the distance between the mounting wall and the center of the oil inlet hole is accurately measured through the abutting of the first-stage step on the mounting wall and the abutting of the measuring head on the cylindrical part.
In some embodiments, the display meter is a digital display meter.
Therefore, the distance measurement value between the mounting wall and the center of the oil inlet hole can be intuitively and accurately displayed, and the reading is convenient.
In some embodiments, the work piece is a brake caliper body.
The oil inlet hole of the brake caliper body is used for introducing oil into the brake caliper body so as to lubricate a piston positioned in the brake caliper body and ensure the braking effect of the brake caliper; the oil inlet pipe connected with the oil inlet hole is fixed with the mounting wall so as to prevent the oil pipe from loosening and leaking, the distance between the mounting wall and the center of the oil inlet hole plays a very important role in braking performance, and the piston can be normally pushed out for braking in the braking process; by the measuring device, whether the actual distance between the mounting wall and the center of the oil inlet hole meets the design requirement or not can be accurately measured, so that the distance can be timely adjusted when the distance exceeds the difference, and the product quality of the brake caliper is ensured.
Compared with the prior art, the utility model has the beneficial effects that at least:
according to the measuring device disclosed by the utility model, the oil inlet is externally led through the cylindrical part which is partially inserted into the oil inlet and the central axis of which coincides with the central axis of the oil inlet, so that the distance between the mounting wall and the center of the oil inlet is measured; through the cooperation of the first-stage steps of the positioning part and the measuring part, in a correction state, the interval target distance between the measuring head and the first-stage steps and the display instrument returns to zero, in a measurement state, the first-stage steps are abutted against the mounting wall, the measuring head is abutted against the cylindrical part and the display instrument displays measured values, so that the efficient, convenient, accurate and visual measurement of the distance between the mounting wall and the center of the oil inlet hole is realized, the quick adjustment of the product size according to the measurement result by field technicians is facilitated, and the production efficiency of a factory is improved;
the measuring device can be used for measuring the distance between the center of the oil inlet hole of the brake caliper body and the mounting wall, and accurately determining whether the actual distance between the mounting wall and the center of the oil inlet hole meets the design requirement or not, so that the distance can be timely adjusted when the distance exceeds the difference, and the product quality of the brake caliper is ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 shows a schematic structural view of a brake caliper body;
FIG. 2 shows a schematic dimensional view of the mounting wall and the center of the oil inlet hole;
FIG. 3 is a schematic diagram showing a front view of a measuring apparatus according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram showing a side view of a measuring device according to an embodiment of the present utility model;
FIG. 5 shows a schematic structural view of a column in an embodiment of the utility model;
FIG. 6 is a schematic diagram showing a structure of a measuring device in a calibration state according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a measuring device in a measuring state in an embodiment of the present utility model.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
The use of the terms "first," "second," and the like in the description herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that, without conflict, the embodiments of the present utility model and features in different embodiments may be combined with each other.
According to the measuring device provided by the utility model, the distance between the installation wall of the workpiece, which is positioned at the front end of the oil inlet, and the center of the oil inlet can be measured efficiently, conveniently and accurately by combining the cylindrical part through the matching of the positioning part and the measuring part.
The structure of the measuring device will be described in detail below with reference to the accompanying drawings. In the following drawings, a caliper body will be taken as an example, and the structure of the measuring device will be shown in conjunction with the distance measurement between the center of the oil inlet hole of the caliper body and the mounting wall. The oil inlet hole of the brake caliper body is used for introducing oil into the brake caliper body so as to lubricate a piston positioned in the brake caliper body and ensure the braking effect of the brake caliper; the oil inlet pipe connected with the oil inlet hole is fixed with the mounting wall so as to prevent the oil pipe from loosening and leaking, the distance between the mounting wall and the center of the oil inlet hole plays a very important role in braking performance, and the piston can be normally pushed out for braking in the braking process. By the measuring device, whether the actual distance between the mounting wall and the center of the oil inlet hole meets the design requirement or not can be accurately measured, so that the adjustment can be timely carried out when the distance exceeds the difference, and the product quality of the brake caliper is ensured.
It should be noted that the measuring device of the present utility model may be applied to the distance measurement between the center of the oil inlet hole of other workpieces and the mounting wall, and is not limited to the caliper body shown in the drawings.
Fig. 1 shows a structure of a caliper body of a brake caliper, fig. 2 shows dimensions of a mounting wall and an oil inlet hole center, fig. 3 shows a front view structure of a measuring device, fig. 4 shows a side view structure of the measuring device, fig. 5 shows a structure of a column member, fig. 6 shows a structure in which the measuring device is in a corrected state, and fig. 7 shows a structure in which the measuring device is in a measured state; as shown in fig. 1 to 7, the measuring device according to the embodiment of the present utility model is used for measuring the distance L between the center of the oil inlet hole of the workpiece 10 and the installation wall 12 located at the front end of the oil inlet hole 11. The measuring device includes:
a positioning portion having a first step 21 extending in a first direction X;
a measuring section including a display meter 31 and a gauge head 32 extending in a first direction X, the gauge head 32 extending toward an end face of the first stage step 21 through an end face 20 of the positioning section;
a cylindrical member 40 partially inserted into the oil inlet hole 11, a central axis 40 'of the cylindrical member 40 being coincident with a central axis 11' of the oil inlet hole 11;
in the calibration state of the measuring device, the interval between the measuring head 32 and the end surface of the first stage step 21 is the target interval S1, and the display instrument 31 returns to zero;
in the measurement state of the measuring device, the end face of the first stage step 21 abuts against the mounting wall 12, the gauge head 32 abuts against the column 40, and the display meter 31 displays the measured value.
In the measuring device, the oil inlet 11 is "led out" by the cylindrical member 40 partially inserted into the oil inlet 11 and having the central axis 40 'coincident with the central axis 11' of the oil inlet 11, so as to measure the distance L between the installation wall 12 and the center of the oil inlet; through the cooperation of the first step 21 of location portion and measuring portion, under the correction state, interval target interval S1, display instrument 31 between gauge head 32 and the first step 21 terminal surface return to zero, under the measurement state, first step 21 butt mounting wall 12, gauge head 32 butt cylindricality spare 40, display instrument 31 show the measured value to this realizes the high-efficient, convenient, accurate and direct-view measurement to the distance between mounting wall 12 and the inlet port center, makes things convenient for on-the-spot technician to carry out quick speed adjustment to the product size according to measuring result, improves mill production efficiency.
In some embodiments, the outer radius R of the cylindrical member 40 is less than the target distance of the mounting wall 12 from the center of the oil inlet hole; the target spacing S1 is equal to the sum of the outer radius R and the target distance.
The outer radius R of the cylindrical part 40 is smaller than the target distance between the mounting wall 12 and the center of the oil inlet hole, so that the cylindrical part 40 is convenient to mount, the central axis 40 'of the cylindrical part 40 is ensured to coincide with the central axis 11' of the oil inlet hole 11, and the accurate measurement of the distance L between the mounting wall 12 and the center of the oil inlet hole is realized; in addition, the target distance S1 is set equal to the sum of the outer radius R and the target distance at the time of correction, so that whether the actual distance between the mounting wall 12 and the center of the oil inlet hole (i.e., the distance L) meets the design requirement or not is accurately analyzed based on the measured value.
In some embodiments, the inner wall of the oil inlet hole 11 is provided with threads; the cylindrical member 40 is formed as a screw-threaded column screw-fitted with the oil inlet hole 11.
The part 40a of the cylindrical member 40 extending into the oil inlet hole 11 is in threaded engagement with the oil inlet hole 11, so that the installation of the cylindrical member 40 can be conveniently and accurately realized, and the central axis 40 'of the cylindrical member 40 coincides with the central axis 11' of the oil inlet hole 11.
In some embodiments, the first stage step 21 includes a pair of spaced apart jaws; in the measurement state, the pair of claw portions sandwich the columnar member 40.
The first-stage step 21 clamps the cylindrical member 40 by a pair of claw portions, and the relative positions between the first-stage step 21 and the probe 32 and the cylindrical member 40 are kept stable in the measurement state, so that accurate measurement of the distance L between the mounting wall 12 and the center of the oil inlet hole is achieved.
In some embodiments, the outer diameter (i.e., 2R) of the cylindrical member 40 is equal to the spacing D between the pair of jaws.
In this way, the first-stage step 21 is ensured to stably clamp the cylindrical member 40 in the measurement state while avoiding the central axis 40 'of the cylindrical member 40 from being deviated from the central axis 11' of the oil inlet hole 11 by pressing the cylindrical member 40.
In some embodiments, the measurement device further comprises a verification block 50; in the calibration state, the end surfaces of the calibration block 50 and the first step 21 are arranged on the same plane 50', the measuring head 32 abuts against the calibration block 50, and the height H of the calibration block 50 along the first direction X is equal to the target spacing S1.
By the check block 50 having the height H equal to the target space S1, the check block 50 and the first-stage step 21 are placed on the same plane 50' in the corrected state, and accurate correction of the measuring device is achieved.
In some embodiments, the positioning portion also has a second step 22 extending along the first direction X; the second step 22 is retracted relative to the first step 21 along the first direction X, and the height H of the verification block 50 is equal to the retracted height H' of the second step 22 relative to the first step 21; in the calibration state, the calibration block 50 abuts the second step 22.
Through the cooperation of the second-stage step 22 and the check block 50, the second-stage step 22 is utilized to limit the check block 50 in the correction state so as to keep the position of the check block 50 stable, thereby ensuring the interval target spacing S1 between the measuring head 32 and the end surface of the first-stage step 21, and realizing the accurate correction of the measuring device.
In some embodiments, the gauge head 32 protrudes from an end face portion of the positioning portion between the first stage step 21 and the second stage step 22.
In this way, the gauge head 32 is brought close to the first-stage step 21 so that the accurate measurement of the distance L between the mounting wall 12 and the center of the oil inlet hole is achieved by the abutment of the first-stage step 21 against the mounting wall 12 and the abutment of the gauge head 32 against the cylindrical member 40.
In some embodiments, the display meter 31 is a digital display meter.
The display instrument 31 can intuitively and accurately display the distance measurement value between the mounting wall 12 and the center of the oil inlet through the display screen 31a, and is convenient to read. A switch button 31b may also be provided on the display meter 31 to turn on/off the display meter 31. A zero button 31c may also be provided on the display meter 31 to zero the display meter 31 at the time of correction.
In a specific example, assuming that the target distance of the mounting wall 12 from the center of the oil inlet hole is 8.55mm and the outer radius R of the columnar member 40 is 7.45mm, the target spacing S1 between the gauge head 32 and the first-stage step 21 is 16mm at the time of correction. During measurement, the first-stage step 21 is abutted against the mounting wall 12, the measuring head 32 is abutted against the cylindrical member 40, and the display instrument 31 displays the measured value 31'; from the measured value 31', it can be accurately known whether the distance L between the installation wall 12 and the center of the oil inlet hole matches the target distance. Specifically, if the measured value 31 'is positive, the distance L is larger, and if the measured value 31' is negative, the distance L is smaller. Based on the measured value 31', the machining dimensions of the mounting wall 12 can be adjusted to eliminate deviations in the distance L.
In summary, the measuring device of the present utility model "pulls out" the oil inlet 11 through the cylindrical member 40 partially inserted into the oil inlet 11 with its central axis coincident with the central axis 11' of the oil inlet 11, so as to measure the distance between the installation wall 12 and the center of the oil inlet; through the cooperation of the first step 21 of location portion and measuring portion, under the correction state, interval target interval S1, the display instrument 31 between gauge head 32 and the first step 21 returns to zero, under the measurement state, first step 21 butt mounting wall 12, gauge head 32 butt cylindricality spare 40, display instrument 31 show the measured value to this realizes the high-efficient, convenient, accurate and direct-view measurement to the distance between mounting wall 12 and the inlet port center, makes things convenient for on-the-spot technician to carry out quick speed adjustment to the product size according to measuring result, improves mill production efficiency.
The measuring device does not need to carry out a complex measuring process based on a three-coordinate system, can conveniently measure at any time according to the requirements of a production site, and effectively prevents bad products from flowing out; the measuring device provided by the utility model has the advantages of high measuring accuracy, strong readability, simple and understandable principle, convenience for field operation and capability of effectively improving the quality control level of products; the measuring device is low in manufacturing and maintenance cost, and can effectively reduce quality control cost of factories.
The measuring device can be used for measuring the distance between the center of the oil inlet hole of the brake caliper body and the mounting wall, and accurately determining whether the actual distance between the mounting wall and the center of the oil inlet hole meets the design requirement or not, so that the distance can be timely adjusted when the distance exceeds the difference, and the product quality of the brake caliper is ensured.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (10)
1. A measuring device for measuring a distance between an oil inlet center of a workpiece and a mounting wall located at a front end of the oil inlet, the measuring device comprising:
a positioning part having a first step extending in a first direction;
the measuring part comprises a display instrument and a measuring head extending along the first direction, and the measuring head penetrates through the end face of the positioning part and extends towards the end face of the first-stage step;
the cylindrical part is partially inserted into the oil inlet hole, and the central axis of the cylindrical part is coincident with the central axis of the oil inlet hole;
in the correction state of the measuring device, a target interval is formed between the measuring head and the end face of the first-stage step, and the display instrument is zeroed;
in the measurement state of the measuring device, the end face of the first stage step is abutted against the mounting wall, the measuring head is abutted against the cylindrical part, and the display instrument displays the measured value.
2. The measuring device of claim 1, wherein the outer radius of the cylindrical member is less than a target distance of the mounting wall from the center of the oil inlet hole;
the target distance is equal to a sum of the outer radius and the target distance.
3. The measuring device of claim 1, wherein the inner wall of the oil inlet hole is provided with threads;
the cylindrical member is formed as a screw post screw-engaged with the oil inlet hole.
4. The measuring device of claim 1, wherein the first step includes a pair of spaced apart jaws;
in the measurement state, the pair of claw portions clamp the columnar member.
5. The measuring device of claim 4, wherein an outer diameter of the cylindrical member is equal to a spacing between the pair of claw portions.
6. The measurement device of claim 1, further comprising a verification block;
in the correction state, the check block and the end face of the first-stage step are arranged on the same plane, the measuring head is abutted against the check block, and the height of the check block along the first direction is equal to the target distance.
7. The measuring device of claim 6, wherein the positioning portion further has a second step extending in the first direction;
the second-stage step is retracted relative to the first-stage step along the first direction, and the height of the check block is equal to the retraction height of the second-stage step relative to the first-stage step;
in the correction state, the check block abuts against the second-stage step.
8. A measuring device according to claim 7, wherein the stylus protrudes from an end face portion of the positioning portion between the first stage step and the second stage step.
9. The measurement device of claim 1, wherein the display meter is a digital display meter.
10. A measuring device according to any one of claims 1 to 9, wherein the workpiece is a brake caliper body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693704.2U CN219934925U (en) | 2023-06-30 | 2023-06-30 | Measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321693704.2U CN219934925U (en) | 2023-06-30 | 2023-06-30 | Measuring device |
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| CN219934925U true CN219934925U (en) | 2023-10-31 |
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| CN202321693704.2U Active CN219934925U (en) | 2023-06-30 | 2023-06-30 | Measuring device |
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