CN215952900U - Wire harness air tightness detection device - Google Patents
Wire harness air tightness detection device Download PDFInfo
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- CN215952900U CN215952900U CN202121758893.8U CN202121758893U CN215952900U CN 215952900 U CN215952900 U CN 215952900U CN 202121758893 U CN202121758893 U CN 202121758893U CN 215952900 U CN215952900 U CN 215952900U
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- sealing
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Abstract
The utility model discloses a wiring harness air tightness detection device which comprises an air tightness detection box, wherein a mounting hole is formed in the side wall of the air tightness detection box, an annular groove is formed in the hole wall of the mounting hole, a sealing glue layer is coated on the groove wall of the groove, a sealing sleeve member penetrates through the mounting hole, a abdicating groove for accommodating the hole wall of the mounting hole is formed in the side wall of the sealing sleeve member, a boss matched with the groove is arranged on the groove wall of the abdicating groove, the boss is embedded in the groove, the sealing glue layer is attached between the groove wall of the groove and the boss, an accommodating cavity is formed in the sealing sleeve member along the length direction of the sealing sleeve member, an abdicating groove is formed in the side wall of the accommodating cavity along the circumferential direction of the accommodating cavity, an annular sealing ring is slidably arranged in the abdicating groove, a spring in a compression state is fixedly arranged between the groove wall of the abdicating groove and the sealing ring, and the spring supports the sealing ring on the groove wall of the abdicating groove; the wire harness air tightness detection device can effectively improve the detection accuracy of the wire harness.
Description
Technical Field
The utility model relates to the technical field of wire harness production, in particular to a wire harness air tightness detection device.
Background
The wire harness is a connecting wire for signal transmission, the wire harness is often connected with a movable element, and the wire harness needs to have good air tightness due to the influence of weather or the limitation of the use environment, so before the wire harness leaves factory, an air tightness detection device needs to be used for testing the sealing performance of key parts of the wire harness, at present, most of the existing air tightness detection devices adopt a vacuum pump to detect the air pressure of the wire harness, the vacuum pump of the air tightness detection device is connected with the air tightness detection box through a suction pipe, one end of the wire harness to be detected is pressed on an opening of the air tightness detection box through a driving part, the vacuum pump sucks the air in the air tightness detection box and then observes the value of a barometer to judge whether the air tightness of the wire harness is qualified, however, when the existing air tightness detection device detects the wire harness, a small gap often exists at the connecting end of the wire harness and the air tightness detection box, outside air can get into airtight detection incasement through the gap, and this has leaded to the detection rate of accuracy reduction of pencil, has influenced the detection effect of pencil.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a wire harness air tightness detecting device to solve the above existing problems.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a wiring harness air tightness detection device comprises an air tightness detection box, wherein a mounting hole is formed in the side wall of the air tightness detection box, an annular groove is formed in the hole wall of the mounting hole along the circumferential direction of the mounting hole, a sealing glue layer is coated on the groove wall of the groove, a sealing suite penetrates through the mounting hole, a yielding groove used for containing the hole wall of the mounting hole is formed in the side wall of the sealing suite, a boss matched with the groove is arranged on the groove wall of the yielding groove, the boss is embedded in the groove, the sealing glue layer is attached between the groove wall of the groove and the boss, a containing cavity is formed in the sealing suite along the length direction of the sealing suite, a yielding groove is formed in the side wall of the containing cavity along the circumferential direction of the containing cavity, and an annular sealing ring is slidably arranged in the yielding groove, and a spring in a compressed state is fixedly arranged between the groove wall of the abdicating groove and the sealing ring, and the sealing ring is supported against the groove wall of the abdicating groove by the spring.
Further, sealed external member is the cylinder structure, the groove of stepping down is the loop configuration, the groove of stepping down follows the circumferencial direction setting of sealed external member.
Further, it is cylindrical structure to hold the chamber, the axis that holds the chamber with the axis of sealed external member coincides mutually.
Furthermore, the top of airtight detection case is seted up the connecting hole with the inside intercommunication of airtight detection case, the top of airtight detection case still installs the pressure indicator table, the pressure indicator table sets up one side of connecting hole.
Further, pencil gas tightness detection device still includes the base and installs drive assembly and vacuum pump on the base, airtight detection case is installed on the base, airtight detection case sets up drive assembly with between the vacuum pump, airtight detection case with the vacuum pump is linked together.
Further, the base is a cuboid plate-shaped structure, a sliding groove is formed in the base, and the sliding groove is formed in the driving assembly and between the airtight detection boxes.
Furthermore, the driving assembly comprises a driving piece and a pressing block arranged at one end of the movable rod of the driving piece, and the pressing block is slidably arranged on the base.
Furthermore, an embedding groove is formed in the pressing block, the embedding groove is of a U-shaped structure, a sliding block matched with the sliding groove is arranged at the bottom of the pressing block, and the sliding block is embedded in the sliding groove.
Further, the vacuum pump sets up airtight detection case is kept away from one side of sealed external member, the top of vacuum pump install with the suction tube that airtight detection case is linked together, the one end and the airtight detection case sealing connection of suction tube.
Further, an adjusting knob for adjusting the suction pressure is mounted on the side wall of the vacuum pump.
The utility model has the beneficial effects that:
according to the wire harness air tightness detection device provided by the utility model, the side wall of the air tightness detection box is provided with the mounting hole, the hole wall of the mounting hole is provided with the groove, the groove wall of the groove is coated with the sealing adhesive layer, the sealing sleeve member penetrates through the mounting hole, the side wall of the sealing sleeve member is provided with the abdicating groove, the groove wall of the abdicating groove is provided with the boss matched with the groove, the boss is embedded in the groove, the sealing adhesive layer is attached between the groove wall of the groove and the boss, when the vacuum pump pumps, the boss in the abdicating groove can be tightly attached in the groove of the hole wall of the mounting hole, and the sealing adhesive layer attached between the groove wall of the groove and the boss can effectively improve the good air tightness between the sealing sleeve member and the side wall of the air tightness detection box; simultaneously, the inside of sealed external member has been seted up and has been held the chamber, has seted up the groove of stepping down on holding the lateral wall in chamber, and it is provided with the sealing washer to step down inslot slidable, and the fixed spring that is in compression state that is provided with between the cell wall in groove of stepping down and the sealing washer, and the pencil that waits to detect wears to establish to holding the intracavity and when conflicting with the sealing washer, and the spring that is in compression state supports the sealing washer and holds on the terminal surface of pencil, has effectively guaranteed to have good gas tightness between sealed external member and the pencil to improve the detection accuracy of pencil.
Drawings
The utility model is further illustrated by the following figures and examples.
Fig. 1 is a schematic perspective view of a wire harness airtightness detection apparatus according to the present invention;
FIG. 2 is a schematic perspective view of a sealing detection box of the wire harness airtightness detection apparatus shown in FIG. 1;
FIG. 3 is a schematic view of the connection between the seal assembly and the seal inspection box shown in FIG. 2;
fig. 4 is a cross-sectional view of a seal kit in the seal inspection box shown in fig. 3.
In the figure: 100. wire harness gas tightness detection device, 1, base, 11, spout, 2, drive assembly, 21, driving piece, 22, pressfitting piece, 221, caulking groove, 222, slider, 3, airtight detection case, 31, connecting hole, 32, pressure indicator, 33, mounting hole, 331, recess, 332, sealant layer, 34, seal kit, 341, groove of stepping down, 342, boss, 343, hold the chamber, 344, groove of stepping down, 345, sealing washer, 346, spring, 4, vacuum pump, 41, suction tube, 42, adjust knob.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1, the present invention provides a wire harness air tightness detecting device 100 for detecting air tightness of a wire harness, the wire harness air tightness detecting device 100 of the present invention comprises a base 1, a driving assembly 2 mounted on the base 1, an air tightness detecting box 3 and a vacuum pump 4, the air tightness detecting box 3 is arranged between the driving assembly 2 and the vacuum pump 4, the air tightness detecting box 3 is communicated with the vacuum pump 4, the wire harness to be detected is pressed on the air tightness detecting box 3 through the driving assembly 2, and the vacuum pump 4 sucks air in the air tightness detecting box 3 to detect air tightness of the wire harness.
As shown in fig. 1, the base 1 is roughly a rectangular plate-shaped structure, a chute 11 is formed in the base 1, the driving assembly 2 and the vacuum pump 4 are respectively located at two ends of the upper surface of the base 1, the air-tightness detection box 3 is located in the middle of the upper surface of the base 1, and the driving assembly 2 and the air-tightness detection box 3 are respectively arranged at two sides of the chute 11; as shown in fig. 1, the driving assembly 2 includes a driving member 21 and a pressing block 22 installed at one end of a movable rod of the driving member 21, the pressing block 22 is slidably disposed on the base 1, an insertion groove 221 for fixing a wire harness is formed in the pressing block 22, the insertion groove 221 is substantially in a "U" shape, a sliding block 222 matched with the sliding groove 11 of the base 1 is disposed at the bottom of the pressing block 22, the sliding block 222 is inserted in the sliding groove 11, and when the movable rod of the driving member 21 pushes the pressing block 22, the pressing block 22 can slide back and forth along the sliding groove 11 through the sliding block 222.
As shown in fig. 1 and 2, a connection hole 31 communicating with the inside of the airtight detection box 3 is formed at the top of the airtight detection box 3, a pressure indicator 32 for measuring air pressure is further installed at the top of the airtight detection box 3, the pressure indicator 32 is arranged at one side of the connection hole 31, a mounting hole 33 is formed in the side wall of the airtight detection box 3 close to the side of the pressing block 22, and a sealing sleeve 34 is inserted into the mounting hole 33; as shown in fig. 2, 3 and 4, an annular groove 331 is formed in the hole wall of the mounting hole 33 along the circumferential direction of the mounting hole 33, a sealant layer 332 is coated on the groove wall of the groove 331, the sealing sleeve 34 is substantially cylindrical, an abdicating groove 341 for accommodating the hole wall of the mounting hole 33 is formed in the side wall of the sealing sleeve 34 along the circumferential direction of the sealing sleeve 34, the abdicating groove 341 is substantially annular, a boss 342 matched with the groove 331 is arranged on the groove wall of the abdicating groove 341, the boss 342 is embedded in the groove 331, and the sealant layer 332 is attached between the groove wall of the groove 331 and the boss 342; as shown in fig. 3 and 4, a cylindrical accommodating cavity 343 is formed in the sealing sleeve 34 along the length direction of the sealing sleeve 34, the central axis of the accommodating cavity 343 coincides with the central axis of the sealing sleeve 34, an opening of the accommodating cavity 343 corresponds to the caulking groove 221 on the press block 22, a relief groove 344 is formed in the side wall of the accommodating cavity 343 along the circumferential direction of the accommodating cavity 343, an annular seal ring 345 is slidably disposed in the relief groove 344, a spring 346 in a compressed state is fixedly disposed between the groove wall of the relief groove 344 and the seal ring 345, the seal ring 345 is pressed against the groove wall of the relief groove 344 by the spring 346, when a wire harness to be detected is pushed by the press block 22 to penetrate into the accommodating cavity 343 of the sealing sleeve 34 and abut against the seal ring 345, the compressed spring 346 holds the sealing ring 345 against the end face of the wiring harness to ensure good sealing between the sealing sleeve 34 and the wiring harness.
As shown in fig. 1, the vacuum pump 4 is disposed on a side of the air-tightness detection box 3 away from the sealing kit 34, a suction pipe 41 is installed on a top of the vacuum pump 4, one end of the suction pipe 41 is hermetically connected to the connection hole 31 on the top of the air-tightness detection box 3, and an adjustment knob 42 for adjusting a suction pressure is installed on a sidewall of the vacuum pump 4.
During the use, to wait to detect the pencil card and establish in caulking groove 221 on pressfitting piece 22, start driving piece 21, the movable rod of driving piece 21 passes through pressfitting piece 22 will wait to detect the pencil propelling movement to the direction that is close to airtight detection case 3, when pressfitting piece 22 and the lateral wall laminating of airtight detection case 3, the one end of pencil is worn to establish and is held the chamber 343 and inconsistent with sealing washer 345 to sealed external member 34, spring 346 in compression state supports sealing washer 345 on the terminal surface of pencil, start vacuum pump 4, read the numerical value of the pressure indicator table 32 at airtight detection case 3 top after a period of time, thereby judge the leakproofness of pencil.
According to the wire harness air tightness detection device 100 provided by the utility model, the side wall of the air tightness detection box 3 is provided with the installation hole 33, the hole wall of the installation hole 33 is provided with the groove 331, the groove wall of the groove 331 is coated with the sealant layer 332, the sealing sleeve member 34 penetrates through the installation hole 33, the side wall of the sealing sleeve member 34 is provided with the abdicating groove 341, the groove wall of the abdicating groove 341 is provided with the boss 342 matched with the groove 331, the boss 342 is embedded in the groove 331, the sealant layer 332 is attached between the groove wall of the groove 331 and the boss 342, when the vacuum pump 4 pumps, the boss 342 in the abdicating groove 341 can be tightly attached in the groove 331 on the hole wall of the installation hole 33, and the sealant layer 332 attached between the groove wall of the groove 331 and the boss 342 can effectively improve the air tightness between the sealing sleeve member 34 and the side wall of the air tightness detection box 3; meanwhile, an accommodating cavity 343 is formed in the sealing sleeve member 34, a yielding groove 344 is formed in the side wall of the accommodating cavity 343, a sealing ring 345 is slidably arranged in the yielding groove 344, a spring 346 in a compressed state is fixedly arranged between the groove wall of the yielding groove 344 and the sealing ring 345, when a wire harness to be detected penetrates into the accommodating cavity 343 and abuts against the sealing ring 345, the spring 346 in the compressed state abuts against the sealing ring 345 on the end face of the wire harness, and therefore good air tightness between the sealing sleeve member 34 and the wire harness is effectively guaranteed, and the detection accuracy of the wire harness is improved.
In light of the foregoing description of preferred embodiments in accordance with the utility model, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a pencil gas tightness detection device which characterized in that: the air tightness detection box comprises an air tightness detection box, wherein a mounting hole is formed in the side wall of the air tightness detection box, an annular groove is formed in the hole wall of the mounting hole along the circumferential direction of the mounting hole, a sealing glue layer is coated on the groove wall of the groove, a sealing sleeve member penetrates through the mounting hole, a yielding groove for containing the hole wall of the mounting hole is formed in the side wall of the sealing sleeve member, a boss matched with the groove is arranged on the groove wall of the yielding groove, the boss is embedded in the groove, the sealing glue layer is attached between the groove wall of the groove and the boss, a containing cavity is formed in the sealing sleeve member along the length direction of the sealing sleeve member, a yielding groove is formed in the side wall of the containing cavity along the circumferential direction of the containing cavity, an annular sealing ring is slidably arranged in the yielding groove, and a spring in a compression state is fixedly arranged between the groove wall of the yielding groove and the sealing ring, the spring supports the sealing ring on the groove wall of the abdicating groove.
2. The wire harness airtightness detection apparatus according to claim 1, characterized in that: the sealing sleeve is of a cylindrical structure, the abdicating groove is of an annular structure, and the abdicating groove is arranged in the circumferential direction of the sealing sleeve.
3. The wire harness airtightness detection apparatus according to claim 1, characterized in that: the chamber that holds is cylindrical structure, the axis that holds the chamber with the axis of sealed external member coincides mutually.
4. The wire harness airtightness detection apparatus according to claim 1, characterized in that: the top of airtight detection case is seted up the connecting hole with the inside intercommunication of airtight detection case, the pressure indicator is still installed at the top of airtight detection case, the pressure indicator sets up one side of connecting hole.
5. The wire harness airtightness detection apparatus according to claim 1, characterized in that: the wire harness air tightness detection device further comprises a base, a driving assembly and a vacuum pump, wherein the driving assembly and the vacuum pump are installed on the base, an air tightness detection box is installed on the base, the air tightness detection box is arranged between the driving assembly and the vacuum pump, and the air tightness detection box is communicated with the vacuum pump.
6. The wire harness airtightness detection apparatus according to claim 5, characterized in that: the base is cuboid platelike structure, the spout has been seted up on the base, the spout sets up drive assembly with between the airtight detection case.
7. The wire harness airtightness detection apparatus according to claim 6, characterized in that: the driving assembly comprises a driving piece and a pressing block arranged at one end of a movable rod of the driving piece, and the pressing block can be arranged on the base in a sliding mode.
8. The wire harness airtightness detection apparatus according to claim 7, characterized in that: the pressing block is provided with an embedded groove which is of a U-shaped structure, the bottom of the pressing block is provided with a sliding block matched with the sliding groove, and the sliding block is embedded in the sliding groove.
9. The wire harness airtightness detection apparatus according to claim 5, characterized in that: the vacuum pump sets up airtight detection case is kept away from one side of sealed external member, the top of vacuum pump install with the suction tube that airtight detection case is linked together, the one end and the airtight detection case sealing connection of suction tube.
10. The wire harness airtightness detection apparatus according to claim 5, characterized in that: and an adjusting knob for adjusting the suction pressure is arranged on the side wall of the vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121758893.8U CN215952900U (en) | 2021-07-29 | 2021-07-29 | Wire harness air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121758893.8U CN215952900U (en) | 2021-07-29 | 2021-07-29 | Wire harness air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215952900U true CN215952900U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121758893.8U Active CN215952900U (en) | 2021-07-29 | 2021-07-29 | Wire harness air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215952900U (en) |
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2021
- 2021-07-29 CN CN202121758893.8U patent/CN215952900U/en active Active
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