CN219776558U - Gauge for measuring displacement of brake caliper piston - Google Patents
Gauge for measuring displacement of brake caliper piston Download PDFInfo
- Publication number
- CN219776558U CN219776558U CN202321209144.9U CN202321209144U CN219776558U CN 219776558 U CN219776558 U CN 219776558U CN 202321209144 U CN202321209144 U CN 202321209144U CN 219776558 U CN219776558 U CN 219776558U
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- brake caliper
- gauge
- measuring
- push rod
- piston
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 30
- 238000005259 measurement Methods 0.000 description 15
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 208000034656 Contusions Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000034526 bruise Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- -1 burrs Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model belongs to the technical field of detection tools, and particularly relates to a detection tool for measuring the displacement of a brake caliper piston, which comprises a detection body, wherein the outer wall of the detection body is adapted to a brake caliper to be detected, and a through accommodating channel is formed in the detection body; the push rod movably penetrates through the accommodating channel, and the first end of the push rod abuts against the piston of the brake caliper to be tested under the action of the elastic piece; the dial indicator is arranged in the accommodating channel and is abutted with the second end of the push rod. The utility model can rapidly and conveniently measure the piston displacement of the brake caliper on site, discover the piston problem existing in the assembly of the caliper body in time, improve the efficiency of the process quality and have low measuring cost.
Description
Technical Field
The utility model belongs to the technical field of detection tools, and particularly relates to a detection tool for measuring the displacement of a brake caliper piston.
Background
The brake caliper plays a very key role in the automobile parking process, the related technical requirements in the brake caliper assembly process are high, the related parts are complex in structure, the brake caliper assembly detection items are more, such as high-low pressure tightness, dragging moment, piston return amount and piston starting pressure and the like, special test equipment is needed for detection, and the measurement cost is high. However, the piston displacement of the brake caliper body in parking is not specifically required in national standards, and in actual use, a corresponding rapid detection device is not available, so that the on-site rapid measurement cannot be performed, and the assembly efficiency is affected.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present utility model is to provide a gauge for measuring a brake caliper piston displacement, which is used for solving the problem that the brake caliper piston displacement is difficult to be rapidly detected in parking in the prior art.
To achieve the above object and other related objects, the present utility model provides the following technical solutions:
a gauge for measuring the amount of brake caliper piston displacement, comprising:
the periphery side wall of the test body is adapted to the brake caliper to be tested, and a through accommodating channel is formed in the test body; the first end of the push rod is abutted against the piston of the brake caliper to be tested under the action of the elastic piece;
the dial indicator is arranged in the accommodating channel and is abutted with the second end of the push rod.
Optionally, the sample body is cylindrical, and the accommodating channel is disposed along an axial direction of the sample body.
Optionally, at least two stages of steps are arranged on the peripheral side wall of the sample body, and the outer diameters of the steps of each stage gradually decrease along the direction approaching to the dial indicator.
Optionally, the accommodating channel comprises a first section and a second section which are sequentially arranged along the direction close to the dial indicator, and the inner diameter of the first section is larger than that of the second section.
Optionally, a stop step is formed between the first section and the second section, the first end of the push rod is provided with an abutting part, the elastic piece is sleeved on the push rod, and two ends of the elastic piece are abutted between the abutting part and the stop step.
Optionally, the keyway has been seted up along the axial of push rod on the week lateral wall of support portion, radially wear to be equipped with spacing fastener along self on the week lateral wall of the inspection body, spacing fastener's head butt is in the keyway.
Optionally, a limiting hole is formed in the circumferential side wall of the detection body at a position corresponding to the key slot, and the limiting fastener penetrates through the limiting hole.
Optionally, the dial indicator is connected to the test body through a meter clamping piece, and the meter clamping piece is locked to the test body through a positioning fastener.
Optionally, a meter clamping hole is formed in the meter clamping piece, the meter clamping hole is coaxial with the accommodating channel, and the contact of the dial indicator is arranged in the meter clamping hole and the accommodating channel in a penetrating manner.
Optionally, a first positioning hole is formed in the meter clamping piece, a second positioning hole is formed in the sample body, the first positioning hole and the second positioning hole are coaxial, and the positioning fastener penetrates through the first positioning hole and the second positioning hole.
As described above, the gauge for measuring the displacement of the brake caliper piston has the following beneficial effects:
the piston displacement of the brake caliper can be accurately measured through the positioning of the detection body and the brake caliper to be detected and the pushing rod is abutted against the piston of the brake caliper to be detected, the piston displacement of the brake caliper can be accurately measured through the reading of the dial indicator, the effective supplementary detection of the brake caliper assembly quality can be realized, the quick and convenient field measurement can be performed, the piston problem existing in the assembly of the caliper body can be found in time, the efficiency of the process quality is improved, and the measurement cost is low; such measurements are linear continuous measurements, with measurements closer to the actual properties of the product.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a gauge for measuring the displacement of a caliper piston in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the structure of an embodiment of the present utility model;
FIG. 3 is a schematic view of the direction A in FIG. 2;
FIG. 4 is a schematic diagram of a push rod according to an embodiment of the present utility model;
fig. 5 is a schematic view of a portion of fig. 4 in the direction B.
Description of the part reference numerals
1-detecting the body; 1 a-a first body segment; 1 b-a second body segment; 1 c-a third body section; 11-accommodating channels; 111-first section; 112-a second section; 12-limiting holes; 13-a second positioning hole;
2-pushing rod; 21-an abutment; 211-keyway;
3-a watch clip; 31-a surface grip hole; 32-a first positioning hole;
4-percent meter; 5-an elastic member; 6-limiting fasteners; 7-positioning a fastener; 8-clamping fasteners.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
In order to describe the present utility model in detail, the following describes a gauge for measuring the displacement of a caliper piston according to the present utility model:
referring to fig. 1 and 2, the present utility model provides a gauge for measuring a displacement of a brake caliper piston, including: the brake caliper comprises a test body 1, a push rod 2 and a dial indicator 4, wherein the peripheral side wall of the test body 1 is adapted to a brake caliper to be tested, and a through accommodating channel 11 is formed in the test body 1; the push rod 2 movably penetrates through the accommodating channel 11, and the first end of the push rod 2 abuts against the piston of the brake caliper to be tested under the action of the elastic piece 5; the dial indicator 4 is disposed in the accommodating channel 11 and abuts against the second end of the push rod 2.
Specifically, examine concrete 1 and be steel, be equipped with push rod 2, elastic component 5 and percentage table 4, wherein, push rod 2 is used for when examining to support on the piston of the brake caliper that is surveyed, and push rod 2 is exerted pretightning force by elastic component 5, contacts with the piston of the brake caliper that is surveyed and supports tightly.
The circumferential wall and the end face of the test body 1 are utilized to be positioned with the brake caliper, the plunger is tightly attached to the piston of the brake caliper through the compression of the elastic piece 5, the displacement of the piston is accurately reflected on the push rod 2, and the displacement of the push rod 2 is detected through the dial indicator 4, so that the purpose of detecting the displacement of the brake caliper piston is achieved. The gauge realizes the proportional relation between the displacement of the stay wire and the displacement of the piston of the caliper body (the displacement of the stay wire is determined by the cooperation of a tool for rotating the caliper body), can rapidly detect the displacement of the piston of the brake caliper in one parking cycle in production, and perfects the detection method.
The gauge for measuring the piston displacement of the brake caliper is convenient to move, can be directly and quickly measured on the brake caliper, does not need other tools, and can meet the requirement of on-site detection. The shape of the test body 1 is determined according to the size of the brake caliper to be tested, and the test body 1 needs to be adapted to the size of the brake caliper to be tested, so that the test body 1 can be positioned on the caliper body of the brake caliper. The push rod 2 is acted by the elastic piece 5, so that the error of manual fixation is reduced.
After the test body 1 and the brake caliper to be tested are positioned, the piston displacement of the caliper body can be measured through the reading of the dial indicator 4, the piston displacement can be accurately read, the test device is an effective supplementary test for the assembly quality of the caliper body, and meanwhile, the quick measurement can be carried out, so that the piston problem existing in the assembly of the caliper body can be found in time.
Referring to fig. 2, in some embodiments, the sample body 1 has a cylindrical shape, and the receiving channel 11 is disposed along an axial direction of the sample body 1. Specifically, the check body 1 is used as an installation carrier of the dial indicator 4, the elastic piece 5 and the push rod 2, and the elastic piece 5 and the push rod 2 are arranged in the check body 1, so that the push rod 2 can reliably feed back the piston displacement, and the measuring action is realized. The detection body 1 is cylindrical, can be favorably matched with a caliper body of the brake caliper, and adopts an arc surface and end surface positioning mode to fix the detection body 1 at a proper position of the brake caliper to be detected, so that the necessary detection function is realized; the accommodating channel 11 is axially arranged along the detecting body 1, so that the first end of the push rod 2 is facilitated to be abutted against the piston of the brake caliper, the moving amount of the piston is transmitted to the push rod 2, and the displacement of the push rod 2 is obtained by using the dial indicator 4, so that the displacement of the piston is measured.
With continued reference to fig. 2, in some embodiments, at least two steps are provided on the peripheral sidewall of the sample body 1, and the outer diameters of the steps of each stage gradually decrease in a direction approaching the dial indicator 4. Specifically, in this embodiment, two steps are disposed on the peripheral sidewall of the test body 1, and a first body section 1a, a second body section 1b and a third body section 1c are sequentially formed on the test body 1 along the direction close to the dial indicator 4, and the outer diameters of the first body section 1a, the second body section 1b and the third body section 1c are gradually reduced. The diameter of the first body section 1a is adapted to the caliper body of the brake caliper being tested. During measurement, the circumferential side wall of the first body section 1a of the test body 1 and the end face of the test body 1 deviating from the dial indicator 4 are used for positioning the brake caliper to be measured simultaneously, so that the test body 1 is fixed in the caliper body to be measured.
In the above embodiment, the accommodating channel 11 includes a first section 111 and a second section 112 sequentially disposed in a direction approaching the dial indicator 4, and the inner diameter of the first section 111 is larger than the inner diameter of the second section 112. Specifically, the first section 111 is configured to receive a first end of the push rod 2, and the second section 112 is configured to receive a second end of the push rod 2 and a contact of the dial indicator 4.
With continued reference to fig. 2 and 4, in some embodiments, a stop step is formed between the first section 111 and the second section 112, the first end of the push rod 2 has an abutment portion 21, and the elastic member 5 is sleeved on the push rod 2, and two ends of the elastic member abut between the abutment portion 21 and the stop step. Specifically, the elastic piece 5 is a pre-tightening spring, and the compression distance of the pre-tightening spring is adjusted to adjust the reverse thrust force of the push rod 2, so that the force can eliminate the clearance in the caliper body of the brake caliper, and the movement displacement of the push rod 2 and the piston is consistent during measurement. The piston clearance is eliminated through the elastic piece 5, so that the measured value is closer to the actual displacement, and the piston displacement can be intuitively read from the dial indicator 4 during measurement.
Referring to fig. 4 and 5, in the above embodiment, the circumferential side wall of the abutting portion 21 is provided with a key slot 211 along the axial direction of the push rod 2, the circumferential side wall of the sample body 1 is provided with a limit fastener 6 along the radial direction thereof, and the head of the limit fastener 6 abuts against the key slot 211. Specifically, the push rod 2 is made of wear-resistant materials with high hardness, so that the processing accuracy is high, and the positioning error is reduced. The abutting part 21 of the push rod 2 is provided with a key groove 211, the head part of the limit fastener 6 is arranged in the key groove 211, and the compression force during the assembly of the elastic piece 5 can be controlled by the radial movement adjustment of the limit fastener 6 in the key groove 211, so that the effective measurement stroke can be adjusted; the end face of the push rod 2 and the end face of the detection body 1 jointly act on the brake caliper to be detected for positioning, an elastic piece 5 is sleeved on the push rod 2, and a limit fastener 6 can move in a key slot 211 along the radial direction of the push rod 2; also, the provision of the key groove 211 allows axial movement of the push rod 2 within the receiving channel 11.
Referring to fig. 1 and 2, it can be understood that a limiting hole 12 is formed on the peripheral sidewall of the sample body 1 at a position corresponding to the key slot 211, and the limiting fastener 6 is inserted into the limiting hole 12. Specifically, the limiting hole 12 is a screw hole, the limiting fastener 6 is in threaded fit with the screw hole, and the compression force of the elastic piece 5 can be adjusted.
In some embodiments, the dial indicator 4 is connected to the test body 1 by an indicator clip 3, and the indicator clip 3 is locked to the test body 1 by a positioning fastener 7. Specifically, the dial indicator 4 is fixed on the detecting body 1 through the indicator clamping piece 3, and the pretightening force of the elastic piece 5 can be adjusted through the position adjustment of the limiting fastener 6. The meter clamping piece 3 is used for installing the dial indicator 4, the meter rod of the dial indicator 4 can be clamped on the meter clamping piece 3 through the clamping fastener 8, the meter clamping piece 3 is fixed on the test body 1 through the positioning fastener 7, the function of fixing and clamping the dial indicator 4 is achieved, the dial indicator 4 is fixed on the test body 1, and the detection function is achieved.
With continued reference to fig. 1, it may be understood that the meter clamping piece 3 is provided with a meter clamping hole 31, the meter clamping hole 31 is coaxial with the accommodating channel 11, and the contact of the dial indicator 4 is penetrated in the meter clamping hole 31 and the accommodating channel 11. Specifically, the contact of the dial indicator 4 is in direct contact with the push rod 2, and the displacement of the piston is reflected by the displacement of the push rod 2.
Referring to fig. 1 to 3, in the above embodiment, the watch clip 3 is provided with a first positioning hole 32, the test body 1 is provided with a second positioning hole 13, the first positioning hole 32 and the second positioning hole 13 are coaxial, and the positioning fastener 7 is inserted into the first positioning hole 32 and the second positioning hole 13. In this embodiment, the second positioning hole 13 may be a screw hole, and the first positioning hole 32 may be a light hole, which is more beneficial to positioning and installation. And at least two first locating holes 32 can be formed in the meter clamping piece 3, at least two second locating holes 13 are correspondingly formed in the test body 1, and the meter clamping piece 3 and the test body 1 are correspondingly connected through at least two locating fasteners 7 so as to ensure reliable connection between the meter clamping piece 3 and the test body 1.
When the gauge is used, when the piston of the brake caliper is not moved, the dial indicator 4 is required to be pre-tensioned for 1-2 circles, so that the dial indicator 4 is in the optimal range. The detection body 1 is embedded on the detected clamp body, the push rod 2 is well contacted with the piston on the premise of being detected, sundries such as scrap iron, burrs, dust and the like are not generated at the contact part, the detection tool is placed stably, and the detection tool does not play or slide, so that the detection tool reaches the detection condition.
When the displacement of the brake caliper piston is measured, the piston part of the measured object is cleaned, abnormal conditions such as no bruise and deformation are confirmed, and meanwhile, the positions such as the push rod 2 of the detection body 1, the large end face and the outer circle of the detection body 1 are cleaned and cleaned, and no bruise and deformation are confirmed. Firstly, placing the test body 1 on a brake caliper to be tested, and enabling the excircle and the end face of the large end of the test body 1 to be in good contact with a product without shaking; the push rod 2 is slightly pushed to move inwards, so that the push rod 2 is reliably contacted with the center of the piston. And then the pointer of the dial indicator 4 is reset, and the wire pulling plate of the clamp body is slowly rotated to the maximum position at a constant speed, so that the displacement of the piston can be measured through the reading of the dial indicator 4.
The gauge body 1 in the embodiment can be used for measuring the size of the brake caliper according to actual needs, namely, different specifications and the measuring of the brake caliper and the piston displacement size can be realized by using the gauge structure in the embodiment, and the measuring of the piston displacement of the small brake caliper is also applicable.
In summary, according to the gauge for measuring the piston displacement of the brake caliper, the gauge body 1 is positioned with the brake caliper to be measured, the push rod 2 is abutted against the piston of the brake caliper to be measured, so that the displacement of the piston is accurately reflected on the push rod 2, the piston displacement of the brake caliper can be accurately measured through the reading of the dial indicator 4, the gauge is an effective supplementary gauge for the assembly quality of the brake caliper, and meanwhile, the gauge can be used for quickly and conveniently measuring, so that the piston problem existing in the assembly of the caliper body can be found in time, and the efficiency of the process quality is improved; such measurements are linear continuous measurements, with measurements closer to the actual properties of the product.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model, and it is intended that the appended claims be interpreted as covering all equivalent modifications and variations as fall within the true spirit and scope of the utility model.
Claims (10)
1. A gauge for measuring the amount of brake caliper piston displacement, comprising:
the outer wall of the detection body is adapted to the brake caliper to be detected, and a through accommodating channel is formed in the detection body;
the first end of the push rod is abutted against the piston of the brake caliper to be tested under the action of the elastic piece;
the dial indicator is arranged in the accommodating channel and is abutted with the second end of the push rod.
2. The gauge for measuring a brake caliper piston displacement according to claim 1, wherein: the detection body is cylindrical, and the accommodating channel is axially arranged along the detection body.
3. The gauge for measuring a brake caliper piston displacement according to claim 2, wherein: at least two stages of steps are arranged on the peripheral side wall of the sample body, and the outer diameters of the steps of each stage are gradually reduced along the direction close to the dial indicator.
4. The gauge for measuring a brake caliper piston displacement according to claim 1, wherein: the holding passageway includes first section and the second section that sets gradually along the direction that is close to the percentage table, the internal diameter of first section is greater than the internal diameter of second section.
5. The gauge for measuring a brake caliper piston displacement according to claim 4, wherein: the first section and the second section are provided with stop steps, the first end of the push rod is provided with an abutting part, the elastic piece is sleeved on the push rod, and two ends of the elastic piece are abutted between the abutting part and the stop steps.
6. The gauge for measuring a brake caliper piston displacement according to claim 5, wherein: the key slot is formed in the circumferential side wall of the abutting part along the axial direction of the push rod, a limit fastener is radially arranged on the circumferential side wall of the detection body in a penetrating mode along the self-radial direction, and the head of the limit fastener abuts against the key slot.
7. The gauge for measuring a brake caliper piston displacement according to claim 6, wherein: and a limiting hole is formed in the position, corresponding to the key groove, on the peripheral side wall of the detection body, and the limiting fastener penetrates through the limiting hole.
8. The gauge for measuring a brake caliper piston displacement according to claim 1, wherein: the dial indicator is connected to the sample body through a meter clamping piece, and the meter clamping piece is locked to the sample body through a positioning fastener.
9. The gauge for measuring a brake caliper piston displacement according to claim 8, wherein: the meter clamping piece is provided with a meter clamping hole, the meter clamping hole is coaxial with the accommodating channel, and the contact of the dial indicator is arranged in the meter clamping hole and the accommodating channel in a penetrating manner.
10. The gauge for measuring a brake caliper piston displacement according to claim 8, wherein: the meter clamping piece is provided with a first positioning hole, the check body is provided with a second positioning hole, the first positioning hole and the second positioning hole are coaxial, and the positioning fastener penetrates through the first positioning hole and the second positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209144.9U CN219776558U (en) | 2023-05-18 | 2023-05-18 | Gauge for measuring displacement of brake caliper piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209144.9U CN219776558U (en) | 2023-05-18 | 2023-05-18 | Gauge for measuring displacement of brake caliper piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219776558U true CN219776558U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321209144.9U Active CN219776558U (en) | 2023-05-18 | 2023-05-18 | Gauge for measuring displacement of brake caliper piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219776558U (en) |
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2023
- 2023-05-18 CN CN202321209144.9U patent/CN219776558U/en active Active
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