CN220418774U - Seal detection device - Google Patents
Seal detection device Download PDFInfo
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- CN220418774U CN220418774U CN202321692025.3U CN202321692025U CN220418774U CN 220418774 U CN220418774 U CN 220418774U CN 202321692025 U CN202321692025 U CN 202321692025U CN 220418774 U CN220418774 U CN 220418774U
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- hole
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- 238000001514 detection method Methods 0.000 title claims abstract description 118
- 238000007789 sealing Methods 0.000 claims abstract description 128
- 230000009191 jumping Effects 0.000 claims abstract description 17
- 238000007667 floating Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000011895 specific detection Methods 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 seal detection, and provides a seal detection device for detecting the tightness of a seal conical surface of a through hole, which comprises the following components: the first end of the supporting component is fixedly matched with the through hole; the detection rod is arranged in the support assembly in a penetrating manner in a floating manner, two ends of the detection rod extend out of the support assembly, a first end of the detection rod is provided with a detection head in abutting fit with the sealing conical surface, and a second end of the detection rod is provided with an outer guiding conical surface; the measuring instrument is provided with a display instrument and a measuring head capable of floatably abutting against the outward conical surface; along with the rotation of the detection rod, the detection head abuts against the sealing conical surface to rotate, the measurement head abuts against the rotating outer guiding conical surface, and the display instrument displays a jumping value. According to the sealing detection device, the supporting component, the detection rod and the measuring instrument are matched, so that the sealing conical surface can be effectively led outwards, and the sealing performance of the sealing conical surface can be accurately and conveniently detected.
Description
Technical Field
The utility model relates to the technical field of seal detection, in particular to a seal detection device for detecting the tightness of a sealing conical surface of a through hole.
Background
In mechanical products such as automobile parts, the through hole is usually sealed by adopting a conical surface matched with a plug.
Taking an oil inlet hole of a brake caliper as an example. FIG. 1 shows the construction of a brake caliper, FIG. 2 shows a partial cross-sectional structure along the line L-L of FIG. 1; as shown in fig. 1 and 2, the brake caliper 10 has a through hole 12 communicating with the cylinder hole 11, and the through hole 12 is an oil inlet hole for lubricating the piston inside the brake caliper 10, and the through hole 12 is sealed with a sealing tapered surface 13. During braking, the motor drives the piston to move forwards, and the piston pushes the brake pad to be attached to the brake disc, so that deceleration braking is realized. If the sealing performance of the sealing conical surface 13 is not qualified, the through hole 12 can leak, so that the internal lubrication effect of the brake caliper 10 is poor, the piston movement is affected, the normal braking is not realized due to the clamping of the piston during braking, and the driving safety is affected.
Because the conical surface is located inside the through hole, conventionally, a workpiece needs to be cut, and a profile meter is matched to detect the runout value of the conical surface, if the runout value of the conical surface is large, the surface of the conical surface is uneven, and the sealing performance of the conical surface does not meet the design requirements. The method for cutting the workpiece is quite complex to operate, is unfavorable for improving the production efficiency, and the workpiece needs to be scrapped after cutting and measuring, so that the product rejection rate is increased, and the control of the production cost is unfavorable.
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 sealing detection device, which can effectively 'draw out' a sealing conical surface through the cooperation of a supporting component, a detection rod and a measuring instrument, thereby accurately and conveniently detecting the sealing performance of the sealing conical surface.
An aspect of the present utility model provides a seal detecting device for detecting sealability of a sealing tapered surface of a through hole, the seal detecting device comprising: the first end of the supporting component is fixedly matched with the through hole; the detection rod is arranged in the support assembly in a penetrating manner in a floating manner, two ends of the detection rod extend out of the support assembly, a first end of the detection rod is provided with a detection head in abutting fit with the sealing conical surface, and a second end of the detection rod is provided with an outer guiding conical surface; the measuring instrument is provided with a display instrument and a measuring head capable of floatably abutting against the outward conical surface; along with the rotation of the detection rod, the detection head abuts against the sealing conical surface to rotate, the measurement head abuts against the rotating outer guiding conical surface, and the display instrument displays a jumping value.
According to the sealing detection device, the whole sealing detection device and the through hole are kept stable through the support component, so that the sealing conical surface is detected; the detection rod capable of penetrating through the supporting component in a floating manner is utilized to be in abutting fit with the sealing conical surface so as to detect the sealing performance of the sealing conical surface, and the outer guiding conical surface is utilized to be used for guiding the sealing conical surface outwards so as to be matched with the measuring head capable of abutting against the outer guiding conical surface in a floating manner, so that the detection rod rotates along with the detection rod, the detection head abuts against the sealing conical surface to rotate, the whole detection rod jumps along with the surface leveling condition of the sealing conical surface, and the jumping condition is transmitted to the outer guiding conical surface; therefore, the outer guiding conical surface which is rotated by the measuring head is propped against, the jumping value is accurately detected and displayed by the display instrument, and whether the sealing performance of the sealing conical surface meets the design requirement can be judged according to the jumping value;
therefore, the sealing detection device can rapidly, accurately and conveniently detect the sealing performance of the sealing conical surface through the cooperation of the supporting component, the detection rod and the measuring instrument.
In some embodiments, the seal-detecting device further comprises: the rotating block is fixedly sleeved at the second end of the detection rod and limited at the second end of the supporting component.
Through rotatory piece, the operation detection pole of being convenient for rotates on the one hand to realize the detection to sealed conical surface, on the other hand is spacing in the second end of supporting component through rotatory piece, prevents to detect the pole and drop.
In some embodiments, the test bar is a clearance fit with the support assembly.
And when the detection head abuts against the sealing conical surface to rotate, the detection rod stably and smoothly floats along with the surface leveling condition of the sealing conical surface.
In some embodiments, the detection head is inclined relative to the detection rod, and the inclination angle of the detection head and the inclination angle of the sealing conical surface relative to the through hole are complementary angles.
The inclination angle of the detection head and the inclination angle of the through hole opposite to the sealing conical surface are complementary angles, so that the detection head and the sealing conical surface are in vertical contact, the surface leveling condition of the sealing conical surface can be accurately detected, and the sealing performance of the sealing conical surface is accurately detected.
In some embodiments, the measuring head contacts the outward taper perpendicularly.
The measuring head is in vertical contact with the outer guiding conical surface, so that the runout of the outer guiding conical surface caused by the uneven surface of the sealing conical surface can be accurately detected, and the accurate detection of the surface leveling condition of the sealing conical surface is realized.
In some embodiments, the seal-detecting device further comprises: and the supporting component and the measuring instrument are fixedly supported on the shell.
The support assembly and the measuring instrument are stably supported by the shell so as to carry out sealing detection.
In some embodiments, the support assembly comprises a plurality of support blocks stacked one above the other; and the supporting blocks are welded and/or screwed with each other, and the corresponding supporting blocks are connected with the shell.
Thus, stable connection of the support component and the shell is realized.
In some embodiments, the meter is a dial gauge; the shell is provided with a fixed sleeve, and the neck of the dial indicator is fixedly arranged on the fixed sleeve in a penetrating mode.
The dial indicator is provided with a flexible floating measuring head, has high measuring precision, and can accurately detect the jumping condition of the detecting rod, thereby accurately detecting the surface leveling condition of the sealing conical surface; in addition, through fixed cover, realize the stable connection of percentage table and casing.
In some embodiments, the through hole is a threaded hole and the first end of the support assembly is formed as a threaded post.
The first end of the supporting component is in threaded connection with the through hole, so that the first end of the supporting component is fixedly matched with the through hole, and the detection head is abutted against the matched sealing conical surface, so that the sealing detection of the sealing conical surface is realized.
In some embodiments, the through hole is an oil inlet hole of the brake caliper.
The oil inlet is used for lubricating the piston inside the brake caliper by oil, and the sealing performance of the sealing conical surface of the oil inlet has important influence on whether the piston can be smoothly pushed out during braking; by the aid of the sealing detection device, sealing performance of the sealing conical surface of the oil inlet can be effectively detected, and the sealing conical surface meets design requirements.
Compared with the prior art, the utility model has the beneficial effects that at least:
according to the seal detection device, the whole seal detection device and the through hole are kept stable through the support component, so that the seal conical surface is detected; the detection rod capable of penetrating through the supporting component in a floating manner is utilized to be in abutting fit with the sealing conical surface so as to detect the sealing performance of the sealing conical surface, and the outer guiding conical surface is utilized to be used for guiding the sealing conical surface outwards so as to be matched with the measuring head capable of abutting against the outer guiding conical surface in a floating manner, so that the detection rod rotates along with the detection rod, the detection head abuts against the sealing conical surface to rotate, the whole detection rod jumps along with the surface leveling condition of the sealing conical surface, and the jumping condition is transmitted to the outer guiding conical surface; therefore, the outer guiding conical surface which is rotated by the measuring head is propped against, the jumping value is accurately detected and displayed by the display instrument, and whether the sealing performance of the sealing conical surface meets the design requirement can be judged according to the jumping value;
therefore, the sealing detection device disclosed by the utility model can effectively 'draw out' the sealing conical surface through the cooperation of the supporting component, the detection rod and the measuring instrument, so that the sealing performance of the sealing conical surface can be accurately and conveniently detected.
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;
FIG. 2 shows a schematic partial cross-sectional view along section line L-L of FIG. 1;
FIG. 3 is a schematic diagram showing an assembled structure of a seal detection device according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram showing a disassembled structure of a seal detection device according to an embodiment of the present utility model;
fig. 5 shows a schematic diagram of a seal detecting device for detecting a seal cone of an oil inlet hole of a brake caliper according to 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. Furthermore, in the description of the present utility model, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, which are for convenience of description only, and are not indicative or implying that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.
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.
Fig. 3 shows an assembled structure of the seal detecting device, fig. 4 shows a disassembled structure of the seal detecting device, and fig. 5 shows a schematic view of the seal detecting device for detecting a sealing conical surface of an oil inlet hole of a brake caliper; referring to fig. 3 to 5, a seal detection device according to an embodiment of the present utility model is configured to detect tightness of a sealing conical surface 13 of a through hole 12, and the seal detection device specifically includes:
the support assembly 20, the first end 21 of the support assembly 20 cooperates fixedly with through hole 12;
the detection rod 30 is arranged in the support assembly 20 in a penetrating manner in a floating manner, two ends of the detection rod 30 extend out of the support assembly 20, a first end 30a is provided with a detection head 32 in abutting fit with the sealing conical surface 13, and a second end 30b is provided with an outer guiding conical surface 33;
a gauge 40 having a display gauge 41 and a measuring head 42 floatably abutting against the outer lead cone 33;
as the test lever 30 rotates (in the direction of arrow R), the test head 32 rotates against the sealing cone 13, the measuring head 42 against the rotating outward cone 33, and the display meter 41 displays the runout value.
In the seal detection device, the whole seal detection device and the through hole 12 are kept stable through the support component 20 so as to detect the seal conical surface 13; through the detection rod 30 which is floatably penetrated in the support assembly 20, on one hand, the detection head 32 is in abutting fit with the sealing conical surface 13 so as to detect the sealing performance of the sealing conical surface 13, on the other hand, the sealing conical surface 13 is outwards guided by the outwards guiding conical surface 33 so as to be matched with the measuring head 42 which can be in floating fit with the outwards guiding conical surface 33, so that the detection rod 30 rotates along with the detection rod 30 (for example, the detection rod 30 can rotate around a clockwise direction R' during specific detection), the detection head 32 abuts against the sealing conical surface 13 to rotate, the whole detection rod 30 jumps along with the surface leveling condition of the sealing conical surface 13 (along the arrow Y direction), and the jumping condition is transmitted to the outwards guiding conical surface 33; therefore, the measuring head 42 is abutted against the rotating outer guiding conical surface 33, the jumping value is accurately detected and displayed through the display instrument 41, and whether the sealing performance of the sealing conical surface 13 meets the design requirement can be judged according to the jumping value;
therefore, the sealing performance of the sealing conical surface 13 can be rapidly, accurately and conveniently detected by the sealing detection device through the cooperation of the supporting component 20, the detection rod 30 and the measuring instrument 40.
In some embodiments, the through hole 12 is an oil inlet hole of the brake caliper 10, and the sealing cone 13 is formed at the bottom of the oil inlet hole.
The oil inlet is used for lubricating the piston inside the brake caliper 10 by oil, and the sealing performance of the sealing conical surface 13 of the oil inlet has important influence on whether the piston can be smoothly pushed out during braking; by the aid of the sealing detection device, the sealing performance of the sealing conical surface 13 of the oil inlet can be effectively detected, and the sealing detection device meets design requirements. For example, the design requirement of the sealing performance of the sealing conical surface 13 of the oil inlet is that the runout tolerance of the sealing conical surface 13 relative to the axis of the oil inlet is less than or equal to 0.03mm, otherwise, the sealing conical surface 13 is easy to leak, and the lubrication and braking performance of the brake caliper 10 are affected; when the sealing detection device is used for detecting the sealing of the sealing conical surface 13, if the runout value displayed by the display instrument 41 is greater than 0.03mm, it can be judged that the sealing performance of the sealing conical surface 13 does not meet the design requirement, and the quality of the brake caliper 10 is not qualified.
In other embodiments, the seal detecting device can also be used to detect the tightness of the sealing conical surface of the through hole of other workpieces, and is not limited to the above.
In some embodiments, the through hole 12 is a threaded hole and the first end 21 of the support assembly 20 is formed as a threaded post.
The first end 21 of the supporting component 20 is in threaded connection with the through hole 12, so that the first end 21 of the supporting component 20 is fixedly matched with the through hole 12, and the detecting head 32 is abutted against the matched sealing conical surface 13, so that sealing detection of the sealing conical surface 13 is realized.
In some embodiments, the seal-detecting device further comprises: the rotating block 34 is fixedly sleeved at the second end 30b of the detecting rod 30 and limited at the second end of the supporting component 20.
The rotation of the detection rod 30 is convenient to operate through the rotation block 34 so as to realize detection of the sealing conical surface 13, and the detection rod 30 and the support assembly 20 are prevented from falling off through the rotation block 34 limited at the second end of the support assembly 20.
In some embodiments, the test rod 30 is a clearance fit with the support assembly 20.
The clearance fit between the detection rod 30 and the support assembly 20 realizes that the detection rod 30 stably and smoothly floats along with the surface leveling condition of the sealing conical surface 13 when the detection head 32 abuts against the sealing conical surface 13 to rotate.
In some embodiments, the detection head 32 is inclined relative to the detection rod 30, and the inclination angle of the detection head 32 and the inclination angle of the sealing cone 13 relative to the through hole 12 are complementary to each other.
In this way, the detecting head 32 is in vertical contact with the sealing conical surface 13, and the surface leveling condition of the sealing conical surface 13 can be accurately detected, so that the sealing performance of the sealing conical surface 13 can be accurately detected.
In some embodiments, the measurement head 42 contacts the outer tapered surface 33 vertically.
The measuring head 42 is in vertical contact with the outer guiding conical surface 33, so that runout of the outer guiding conical surface 33 caused by uneven surface of the sealing conical surface 13 can be accurately detected, and the surface leveling condition of the sealing conical surface 13 is accurately detected.
In some embodiments, the seal-detecting device further comprises: the housing 50, the support assembly 20 and the meter 40 are fixedly supported by the housing 50.
The support assembly 20 and the gauge 40 are stably supported by the housing 50 for seal detection.
In some embodiments, the support assembly 20 includes a plurality of support blocks stacked one above the other; and the supporting blocks are welded and/or screwed with each other and the corresponding supporting blocks are connected with the shell 50. In this manner, a stable connection of the support assembly 20 with the housing 50 is achieved.
For example, the support assembly 20 may include a first support block 24, a second support block 25, and a third support block 26, wherein the first support block 24, the second support block 25, and the housing 50 may be welded and the third support block 26 may be connected to the housing 50 using bolts 28.
In other embodiments, the structure of the support assembly 20 can be adjusted as desired, so long as the detection rod 30 can be floatably inserted.
In some embodiments, meter 40 is a dial gauge (0.01 mm accuracy); the housing 50 is provided with a fixing sleeve 55, and the neck 43 of the dial indicator is fixedly arranged through the fixing sleeve 55.
The dial indicator is provided with a flexible floating measuring head 42, has high measuring precision, and can accurately detect the jumping condition of the detecting rod 30, thereby realizing the surface leveling condition of the sealing conical surface 13, namely the accurate detection of the sealing performance; in addition, through the fixing sleeve 55, the fixing sleeve 55 may be a copper sleeve in particular, so as to realize stable connection of the dial indicator and the housing 50.
In summary, according to the seal detection device of the present utility model, the support assembly 20 stabilizes the entire seal detection device and the through hole 12, so as to detect the sealing conical surface 13; through the detection rod 30 which is capable of penetrating through the support assembly 20 in a floating manner, on one hand, the detection head 32 is in abutting fit with the sealing conical surface 13 so as to detect the sealing performance of the sealing conical surface 13, on the other hand, the sealing conical surface 13 is outwards guided by the outwards guiding conical surface 33 so as to be matched with the measuring head 42 which can be in abutting fit with the outwards guiding conical surface 33 in a floating manner, the rotation along with the detection rod 30 is realized, the detection head 32 abuts against the sealing conical surface 13 to rotate, the whole detection rod 30 is enabled to jump along with the surface leveling condition of the sealing conical surface 13, and the jumping condition is transmitted to the outwards guiding conical surface 33; therefore, the measuring head 42 is abutted against the rotating outer guiding conical surface 33, the jumping value is accurately detected and displayed through the display instrument 41, and whether the sealing performance of the sealing conical surface 13 meets the design requirement can be judged according to the jumping value;
therefore, the sealing detection device provided by the utility model can be used for rapidly, accurately and conveniently detecting the sealing performance of the sealing conical surface 13 through the cooperation of the supporting component 20, the detection rod 30 and the measuring instrument 40, the product rejection caused by cutting a workpiece is not required, the product qualification rate can be improved, the operation cost of a factory is reduced, the shutdown waiting is not required, the operation efficiency of equipment is improved, the bad products can be prevented from flowing into the next assembly process, and the quality control level of the factory is improved;
in addition, the seal detection device is simple to operate, convenient for production line personnel to operate and detect, low in cost and convenient to maintain.
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 seal detecting device for detecting tightness of a sealing tapered surface of a through hole, the seal detecting device comprising:
the first end of the supporting component is fixedly matched with the through hole;
the detection rod is arranged in the support assembly in a penetrating manner in a floating manner, two ends of the detection rod extend out of the support assembly, a first end of the detection rod is provided with a detection head in abutting fit with the sealing conical surface, and a second end of the detection rod is provided with an outer guiding conical surface;
the measuring instrument is provided with a display instrument and a measuring head capable of floatably abutting against the outward conical surface;
along with the rotation of the detection rod, the detection head abuts against the sealing conical surface to rotate, the measurement head abuts against the rotating outer guiding conical surface, and the display instrument displays a jumping value.
2. The seal detection device according to claim 1, further comprising:
the rotating block is fixedly sleeved at the second end of the detection rod and limited at the second end of the supporting component.
3. The seal detection device of claim 1, wherein the detection bar is in a clearance fit with the support assembly.
4. The seal detecting apparatus according to claim 1, wherein the detecting head is inclined with respect to the detecting rod, and an inclination angle of the detecting head and an inclination angle of the sealing tapered surface with respect to the through hole are complementary to each other.
5. The seal detection device of claim 1 wherein said measuring head is in vertical contact with said externally tapered surface.
6. The seal detection device according to claim 1, further comprising:
and the supporting component and the measuring instrument are fixedly supported on the shell.
7. The seal detection device of claim 6, wherein the support assembly comprises a plurality of stacked support blocks;
and the supporting blocks are welded and/or screwed with each other, and the corresponding supporting blocks are connected with the shell.
8. The seal detection device of claim 6, wherein the meter is a dial gauge;
the shell is provided with a fixed sleeve, and the neck of the dial indicator is fixedly arranged on the fixed sleeve in a penetrating mode.
9. The seal detection device of claim 1, wherein the through hole is a threaded hole and the first end of the support assembly is formed as a threaded post.
10. The seal detection device of any one of claims 1-9, wherein the through hole is an oil inlet hole of a brake caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321692025.3U CN220418774U (en) | 2023-06-30 | 2023-06-30 | Seal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321692025.3U CN220418774U (en) | 2023-06-30 | 2023-06-30 | Seal detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220418774U true CN220418774U (en) | 2024-01-30 |
Family
ID=89657352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321692025.3U Active CN220418774U (en) | 2023-06-30 | 2023-06-30 | Seal detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220418774U (en) |
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2023
- 2023-06-30 CN CN202321692025.3U patent/CN220418774U/en active Active
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