CN219977681U - Automobile wire harness rubber sleeve tightness testing device - Google Patents
Automobile wire harness rubber sleeve tightness testing device Download PDFInfo
- Publication number
- CN219977681U CN219977681U CN202321364623.8U CN202321364623U CN219977681U CN 219977681 U CN219977681 U CN 219977681U CN 202321364623 U CN202321364623 U CN 202321364623U CN 219977681 U CN219977681 U CN 219977681U
- Authority
- CN
- China
- Prior art keywords
- shell
- rubber sleeve
- wire harness
- tightness
- automobile wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 73
- 239000005060 rubber Substances 0.000 title claims abstract description 73
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000009736 wetting Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 5
- 230000005587 bubbling Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model provides an automobile wire harness rubber sleeve tightness testing device which comprises a shell, wherein the shell mainly comprises an inner shell and an outer shell, the outer side wall of the outer shell is transparent, a ribbon is fixed in the outer shell, the upper side and the inner side of the outer shell are respectively provided with an air outlet hole and an air inlet hole in a circular array, the inner shell is integrally formed in the outer shell, a fan is arranged at the upper end of the inner shell, and the lower end of the inner shell is tapered from top to bottom; the utility model can detect the tightness of the rubber sleeve with different apertures, if the tightness of the rubber sleeve is poor, the air flow can be sprayed upwards from the gap between the rubber sleeve and the inner shell, then enters the outer shell from the air inlet hole, blows the streamer, and the detection personnel can know that the tightness does not reach the standard by observing the streamer, and the detection process does not contact any liquid such as water, thereby avoiding the wetting of the rubber sleeve.
Description
Technical Field
The utility model relates to the technical field of rubber sleeve testing, in particular to an automobile wire harness rubber sleeve tightness testing device.
Background
The rubber sheath of the automobile wire harness is an elastic rubber part used in the through holes of parts such as a sheet metal of a vehicle body, a shield and the like for ensuring the tightness, the through hole protection and the smooth transition performance of the wire harness, the common structure is divided into a framework-carrying part and a framework-free part, the rubber part has high elasticity, high mechanical strength, shock absorption, high flexibility, wear resistance, water impermeability and air impermeability, and certain synthetic rubber has oil resistance, heat resistance, cold resistance, aging resistance and radiation resistance;
in the use of the automobile wire harness rubber sheath, the wire harness rubber sheath is mainly used for protecting the wire harness from being corroded by external rainwater and moisture, so that the requirement on the tightness is higher, after the rubber sleeve is produced, a sample is required to be subjected to tightness test, and the test steps are as follows: selecting one of the groups and more than one rubber sleeve, selecting one sample in each rubber sleeve, plugging two ends of the rubber sleeve sample, soaking in water, observing whether bubbling occurs in the water, if bubbling occurs, indicating that the sealing performance does not reach the standard, if not, indicating that the sealing performance reaches the standard, and recording all data and comparing;
some manufacturers use specialized tightness testing equipment, but these have some drawbacks:
the conventional tightness test equipment is large, a detector is required to take a rubber sheath sample into a test site specially for detection, and the use is inconvenient;
in addition, after the rubber sleeve is immersed in water, the surface of the rubber sleeve is wet, so that the production processes of subsequent storage, boxing and the like are affected;
therefore, the prior art lacks a testing device which can be carried by a detector to detect the tightness of non-immersed water at any time.
Disclosure of Invention
The utility model provides a device for testing tightness of a rubber sleeve of an automobile wire harness, which aims to solve the problems in the background art.
The technical scheme of the utility model is realized as follows:
the device for testing the tightness of the automobile wire harness rubber sleeve comprises a shell, wherein the shell mainly comprises an inner shell and an outer shell;
a shell: the outer side wall of the shell is transparent, a ribbon is fixed in the shell, and the upper side and the inner side of the shell are respectively provided with an air outlet hole and an air inlet hole in a circular array;
an inner shell: the inner shell is integrally formed in the outer shell, the upper end of the inner shell is provided with a fan, the lower end of the inner shell is tapered from top to bottom, and the middle end of the inner shell is positioned in the middle of a circle of air inlet holes;
through adopting above-mentioned technical scheme, the rubber sleeve of different external diameter sizes can overlap outside the lower extreme of inner shell, and the tip of rubber sleeve is plugged up to the inner shell, and the other end of rubber sleeve is held between the hand, and when the fan bloies to the inside of rubber sleeve, if the leakproofness is relatively poor, then the air current can get into in the shell from the inlet port, blows the ribbon and waves, and the inspector sees the ribbon and waves and can know that the leakproofness is up to standard.
Preferably, the outer side wall of the shell is made of transparent acrylic material.
Preferably, the lower end of the shell is provided with clamping components, the number of the clamping components is not less than two groups, and the clamping components are circularly arrayed around the center of the shell;
by adopting the technical scheme, the clamping component can clamp the rubber sleeve, so that the rubber sleeve is prevented from falling down in the testing process.
Preferably, the clamping component comprises a spring, a clamping rod, a rotating frame, an inner shaft and a torsion spring, wherein the inner shaft is fixed in the lower end of the shell, the rotating frame is sleeved outside the inner shaft in a rotating manner, the torsion spring is fixed between the rotating frame and the inner shaft, the clamping rod is movably inserted into the other end of the rotating frame, and the spring is fixed between the clamping rod and the inner side of the rotating frame;
through adopting above-mentioned technical scheme, the torsion of torsional spring and the elasticity of spring make the card pole forcefully block the rubber sleeve, and rotatable revolving rack and promote the card pole and come the release rubber sleeve.
Preferably, the lower end of the outer shell is fixed with a bottom support, the inner center of the bottom support is integrally formed with a lower top seat, the lower top seat is positioned right below the inner shell, and the lower top seat is tapered from bottom to top in a step shape;
through adopting above-mentioned technical scheme, collet and lower footstock support the tip of rubber sleeve, and the rubber sleeve of different apertures can be supported to lower footstock, need not the inspector to hold in the tip of rubber sleeve with the hand.
Preferably, the lower top seat is externally covered with an expansion cotton sleeve;
by adopting the technical scheme, the expansion cotton sleeve reduces the flow of the air flow outwards from the gap between the lower top seat and the rubber sleeve.
Preferably, the centers of the bottom support and the lower top seat are penetrated with exhaust holes, and the aperture of the exhaust holes is smaller than the aperture of the lower end of the inner shell;
through adopting above-mentioned technical scheme, the exhaust hole can be followed to the gas in the rubber sleeve, avoids the inside atmospheric pressure of rubber sleeve too big to the exhaust hole aperture is less than the aperture of inner shell, just makes exhaust gas less than the gas that gets into, and can not block up the rubber sleeve completely again and die, just can make the atmospheric pressure in the rubber sleeve neither too big nor too little.
By adopting the technical scheme, the utility model has the beneficial effects that:
according to the utility model, rubber sleeves with different sizes can be sleeved outside the lower end of the inner shell, the inner shell blocks the end part of the rubber sleeve, so that the tightness of the rubber sleeve with different apertures can be detected, when the fan blows air to the inside of the rubber sleeve, if the tightness is poor, air flow can be sprayed upwards from a gap between the rubber sleeve and the inner shell, then the air flow enters the outer shell from the air inlet hole, the drift belt is blown, a detector can see that the drift belt does not reach the standard, the tightness is not reached, any liquid such as water is not contacted in the detection process, the rubber sleeve is prevented from being wetted, and the device is small in size and light in weight and can be carried about.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure at A-A of FIG. 2;
fig. 4 is a partially enlarged schematic view of the B part of fig. 3.
Wherein: 1. an air outlet hole; 2. a fan; 3. a housing; 31. an inner shell, 32, an outer shell; 4. a clip assembly; 41. a spring; 42. a clamping rod; 43. a rotating frame; 44. an inner shaft; 45. a torsion spring; 5. a bottom support; 6. expanding the cotton sleeve; 7. a streamer; 8. a lower top base; 9. an air inlet hole; 10. and an exhaust hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-3, an automobile wire harness rubber sleeve tightness testing device comprises a shell 3, wherein the diameter size of the shell 3 is smaller than 20cm, the whole body is made of plastic or rubber, the whole body is light, and the shell 3 mainly comprises an inner shell 31 and an outer shell 32;
the housing 32: referring specifically to fig. 3, the outer side wall of the housing 32 is made of transparent acrylic material or transparent glass material, the inside of the housing 32 is circularly arrayed with the ribbon 7, the ribbon 7 can be seen through the outer side wall of the housing 32, when the ribbon 7 in a certain direction is seen to fly, flaws appear in the corresponding direction of the rubber sleeve, and thus the tightness is poor, the upper side and the inner side of the middle end of the housing 32 are circularly arrayed with the air outlet hole 1 and the air inlet hole 9 respectively, and the ribbon 7 is positioned between the air outlet hole 1 and the air inlet hole 9;
inner shell 31: referring to fig. 3 specifically, an inner casing 31 is integrally formed in an outer casing 32, a fan 2 is installed at the upper end of the inner casing 31, the fan 2 can be replaced by a piston check valve air blowing device or other devices, the purpose of which is to blow air into the inner casing 31, the middle end and the lower end of the inner casing 31 are not in contact with the inner side wall of the outer casing 32, that is, a gap exists between the middle end of the inner casing 31 and the middle end of the outer casing 32, a gap exists between the lower end of the inner casing 31 and the lower end of the outer casing 32, the lower end of the inner casing 31 is tapered from top to bottom, the middle end of the inner casing 31 is positioned between a circle of air inlets 9, a rubber sleeve is sleeved outside the lower end of the inner casing 31, and air flow discharged outwards from the gap between the rubber sleeve and the lower end of the inner casing 31 flows upwards, so that the air flow directly flows into the air inlets 9.
In this embodiment, referring specifically to fig. 1 and 3, two clip assemblies 4 are further installed at the lower end of the housing 32 and arrayed round the center of the housing 32, where, referring specifically to fig. 4, the clip assemblies 4 include a spring 41, a clip rod 42, a rotating frame 43, an inner shaft 44 and a torsion spring 45, the inner shaft 44 is fixed in the lower end of the housing 32, the rotating frame 43 is sleeved outside the inner shaft 44 in a rotating manner, the rotating frame 43 is L-shaped, the upper end is transversely arranged, the lower end is downward arranged, a torsion spring 45 is fixed between the rotating frame 43 and the inner shaft 44, the torsion spring 45 is located outside the inner shaft 44, one end of the torsion spring 45 is fixed on the rotating frame 43, the other end of the torsion spring 45 is fixed on the inner shaft 44, at this time, the lower end of the rotating frame 43 is inserted with a clip rod 42 in an up-down movement manner, and a spring 41 is fixed between the clip rod 42 and the inner side of the rotating frame 43.
In this embodiment, referring to fig. 1 and 3 specifically, the lower end of the outer shell 32 is integrally formed with a bottom support 5, the bottom support 5 is made of plastic or rubber, the distance between the lower side of the bottom support 5 and the upper side of the inner shell 31 is smaller than 100cm, and in this embodiment, specifically 50cm, the inner center of the bottom support 5 is integrally formed with a lower top seat 8, the lower top seat 8 is located right below the inner shell 31, the lower top seat 8 tapers from bottom to top in a step shape, the lower top seat 8 supports and limits the lower end of the rubber sleeve, the lower top seat 8 is coated with an expansion cotton sleeve 6, the centers of the bottom support 5 and the lower top seat 8 are penetrated with an exhaust hole 10, and the aperture of the exhaust hole 10 is smaller than the aperture of the lower end of the inner shell 31.
Working principle:
when the rubber sleeve is used, the upper end of the rubber sleeve is forcibly sleeved outside the lower end of the inner shell 31, the torsion spring 45 pushes the rotating frame 43 to rotate, the rotating frame 43 rotates by 90 degrees, the clamping rod 42 is vertically rotated to be horizontal, the spring 41 pushes the clamping rod 42, the clamping rod 42 clamps the rubber sleeve, the other end of the rubber sleeve is sleeved outside the lower footstock 8 and the expansion cotton sleeve 6, if the rubber sleeve is short in size, the end part of the rubber sleeve can be pinched by a hand, but the lower end of the rubber sleeve is not required to be completely blocked, and only the air pressure in the rubber sleeve is higher than the air pressure outside the rubber sleeve;
then, the switch of the fan 2 is turned on to enable the blades of the fan 2 to rotate so as to generate air flow, the air flow enters the rubber sleeve after passing through the inner shell 31, if the sealing performance of the upper end of the rubber sleeve is good, the air flow is all discharged outwards from the exhaust hole 10, if the sealing performance of the upper end of the rubber sleeve is poor or broken, a part of air is sprayed outwards from a gap between the rubber sleeve and the inner shell 31 so as to generate air flow noise, and the air flow passes through the air inlet hole 9, the outer shell 32 and the air outlet hole 1, during the air flow blows the ribbon 7 to fly, and a detector sees the ribbon 7 to fly, so that the sealing performance is poor, and the direction of the rubber sleeve is poor.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides an automobile wire harness rubber sleeve leakproofness testing arrangement which characterized in that: comprises a shell (3), wherein the shell (3) mainly comprises an inner shell (31) and an outer shell (32);
housing (32): the outer side wall of the shell (32) is transparent, a ribbon (7) is fixed in the shell (32), and the upper side and the inner side of the shell (32) are respectively provided with an air outlet hole (1) and an air inlet hole (9) in a circular array;
inner shell (31): the inner shell (31) is integrally formed in the outer shell (32), the upper end of the inner shell (31) is provided with the fan (2), the lower end of the inner shell (31) is thinned in a step shape from top to bottom, and the middle end of the inner shell (31) is positioned in the middle of a circle of air inlet holes (9).
2. The automobile wire harness rubber sleeve tightness testing device according to claim 1, wherein: the outer side wall of the shell (32) is made of transparent acrylic material.
3. The automobile wire harness rubber sleeve tightness testing device according to claim 1, wherein: the lower end of the housing (32) is provided with clamping assemblies (4), and the number of the clamping assemblies (4) is not less than two groups and is round around the center of the housing (32).
4. The automobile wire harness rubber sleeve tightness testing device according to claim 3, wherein: the clamping assembly (4) comprises a spring (41), a clamping rod (42), a rotating frame (43), an inner shaft (44) and a torsion spring (45), wherein the inner shaft (44) is fixed in the lower end of the shell (32), the rotating frame (43) is sleeved outside the inner shaft (44) in a rotating mode, the torsion spring (45) is fixed between the rotating frame (43) and the inner shaft (44), the clamping rod (42) is movably inserted at the other end of the rotating frame (43), and the spring (41) is fixed between the clamping rod (42) and the inner side of the rotating frame (43).
5. The automobile wire harness rubber sleeve tightness testing device according to claim 1, wherein: the lower extreme of shell (32) is fixed with collet (5), the inside center integrated into one piece of collet (5) has lower footstock (8), lower footstock (8) are located under inner shell (31), lower footstock (8) are the echelonment from bottom to top and become thin.
6. The device for testing the tightness of the rubber sleeve of the automobile wire harness according to claim 5, wherein: the lower top seat (8) is externally covered with an expansion cotton sleeve (6).
7. The device for testing the tightness of the rubber sleeve of the automobile wire harness according to claim 5, wherein: the centers of the bottom support (5) and the lower top seat (8) are penetrated with an exhaust hole (10), and the aperture of the exhaust hole (10) is smaller than the aperture of the lower end of the inner shell (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364623.8U CN219977681U (en) | 2023-05-31 | 2023-05-31 | Automobile wire harness rubber sleeve tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364623.8U CN219977681U (en) | 2023-05-31 | 2023-05-31 | Automobile wire harness rubber sleeve tightness testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977681U true CN219977681U (en) | 2023-11-07 |
Family
ID=88581800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321364623.8U Active CN219977681U (en) | 2023-05-31 | 2023-05-31 | Automobile wire harness rubber sleeve tightness testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977681U (en) |
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2023
- 2023-05-31 CN CN202321364623.8U patent/CN219977681U/en active Active
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