CN114659722B - Detection equipment for tightness of automobile filter - Google Patents
Detection equipment for tightness of automobile filter Download PDFInfo
- Publication number
- CN114659722B CN114659722B CN202210287460.1A CN202210287460A CN114659722B CN 114659722 B CN114659722 B CN 114659722B CN 202210287460 A CN202210287460 A CN 202210287460A CN 114659722 B CN114659722 B CN 114659722B
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- telescopic rod
- electric telescopic
- fixedly connected
- pipe
- metal cylinder
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000009825 accumulation Methods 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 20
- 229920000742 Cotton Polymers 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Abstract
The invention relates to a detection device for tightness of an automobile filter, comprising: the device comprises a detection table, a main electric telescopic rod, a liquid injection mechanism and a trace accumulation display mechanism; the main electric telescopic rod is connected to the detection table. The liquid injection mechanism is arranged at the telescopic end of the main electric telescopic rod. The trace accumulation display mechanism includes: the device comprises an embedded cavity, a metal cylinder, a vibrator, a long guide pipe, a bottom pipe, an accumulation extrusion mechanism and a micro cavity. The embedded cavity is arranged on the detection table, and the metal cylinder is embedded and fixedly connected into the embedded cavity. The vibrator is fixedly connected to the metal cylinder. The long guide pipe is vertically and fixedly connected to the bottom of the metal cylinder, and the inner diameter of the long guide pipe gradually decreases from top to bottom. The bottom pipe is vertically arranged at the bottom of the long guide pipe. The bottom tube is a transparent tube body. The accumulation extrusion mechanism is arranged in the bottom tube. The micro cavity is arranged in the bottom tube. The invention has the advantages that the condition of micro leakage of the automobile filter can be conveniently and effectively detected.
Description
Technical Field
The invention relates to the technical field of sealing detection of an automobile filter, in particular to detection equipment for sealing performance of an automobile filter.
Background
An oil filter for an automobile is equipment for filtering impurities or gas in engine oil, and mainly relies on a filter element in an assembly for filtering, and is provided with a liquid inlet end and a liquid outlet end. However, a general automotive filter needs to be subjected to tightness detection before use, and whether leakage exists in the outer shell of the filter is detected. However, the tightness detection device of a general automobile filter can only detect the condition that the leakage amount is relatively large, and cannot effectively detect the condition of micro leakage.
Disclosure of Invention
The invention aims to provide a detection device for tightness of an automobile filter, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an apparatus for detecting tightness of an automotive filter, comprising: the device comprises a detection table, a main electric telescopic rod, a liquid injection mechanism and a trace accumulation display mechanism; the main electric telescopic rod is connected to the detection table. The liquid injection mechanism is arranged at the telescopic end of the main electric telescopic rod. The trace accumulation display mechanism includes: the device comprises an embedded cavity, a metal cylinder, a vibrator, a long guide pipe, a bottom pipe, an accumulation extrusion mechanism and a micro cavity. The embedded cavity is arranged on the detection table, and the metal cylinder is embedded and fixedly connected into the embedded cavity. The vibrator is fixedly connected to the metal cylinder. The long guide pipe is vertically and fixedly connected to the bottom of the metal cylinder, and the inner diameter of the long guide pipe gradually decreases from top to bottom. The bottom pipe is vertically arranged at the bottom of the long guide pipe. The bottom tube is a transparent tube body. The accumulation extrusion mechanism is arranged in the bottom tube. The micro cavity is arranged in the bottom tube. The accumulation extrusion mechanism includes: small-sized reciprocating electric telescopic rod, extrusion component, water-absorbing cotton block and net-shaped fixing block. A small reciprocating electric telescopic rod is connected to the bottom tube. The extrusion component is connected with the telescopic end of the small-sized reciprocating electric telescopic rod. The net-shaped fixed block is connected into the bottom tube. The absorbent cotton block is adhered to the netlike fixed block.
As a further scheme of the invention: the accumulation extrusion mechanism further comprises: threaded connection ring and threaded connection tube head. The threaded connection ring is fixedly connected to the upper side of the netlike fixed block. The threaded connection ring is connected to the inner wall of the bottom pipe through threaded fit. The threaded connection pipe head is fixedly connected to the threaded connection ring. And the threaded connection pipe head is connected into the long guide pipe through threaded fit.
As a further scheme of the invention: the trace accumulation display mechanism further includes: and (5) sealing plugs. The sealing plug is connected with the miniature cavity in a matching way.
As a further scheme of the invention: the liquid injection mechanism includes: the device comprises a connecting flat plate, a liquid storage box, a delivery pump, an input pipe body and an output pipe body. The connecting flat plate is horizontally and fixedly connected to the telescopic end of the main electric telescopic rod. The liquid storage box is fixedly connected to the connecting plate. The transfer pump is cooperatively connected to the liquid storage box. The input pipe body is connected with the output end of the delivery pump. The output pipe body is connected with the liquid storage box in a matching way. The liquid storage box is filled with colored liquid.
As a further scheme of the invention: the detection device of the tightness of the automobile filter further comprises: and an air pressure mechanism. The pneumatic mechanism comprises: an auxiliary air pump and a first exhaust hole. The auxiliary air pump is fixedly connected to the connecting flat plate. The first exhaust hole is arranged at the bottom of the bottom pipe.
As a further scheme of the invention: the detection device of the tightness of the automobile filter further comprises: a pretreatment mechanism. The pretreatment mechanism comprises: the device comprises a closed slide plate, a connecting guide rail, a linkage rod, an annular electric guide rail, an auxiliary electric telescopic rod, a hot air blower, a sleeve and a second exhaust hole. The connecting guide rail is connected to the fixed end of the main electric telescopic rod. The sealing slide plate is horizontally arranged at the port of the metal cylinder and is connected to the connecting guide rail in a sliding way. The linkage rod is movably connected between the connecting flat plate and the sealing sliding plate. The annular electric guide rail is fixedly connected to the sealing slide plate. The auxiliary electric telescopic rod is connected to the annular electric guide rail in a sliding manner. The sleeve is fixedly connected to the telescopic end of the auxiliary electric telescopic rod. The air heater is fixedly arranged in the sleeve. The second exhaust holes are circumferentially and equidistantly arranged at the sleeve.
As a further scheme of the invention: the extrusion assembly includes: top piece, through-hole, rotation shutoff piece and gravity piece. The top block is horizontally and fixedly connected to the telescopic end of the small-sized reciprocating electric telescopic rod. The through holes are uniformly formed in the top block. The rotary plugging block is rotationally connected into the through hole through the rotary shaft. The gravity block is fixedly connected to one end of the rotary plugging block.
As a further scheme of the invention: the extrusion assembly further comprises: and a first rubber sealing ring. The first rubber sealing ring is connected to the rotary plugging block.
As a further scheme of the invention: the detection device of the tightness of the automobile filter further comprises: heating wire. The heating wire is buried in the side wall of the metal cylinder. The metal cylinder is a heat-conducting metal body.
As a further scheme of the invention: the metal cylinder is funnel-shaped for convenient flow guiding.
Compared with the prior art, the invention has the beneficial effects that: the condition that the automobile filter has micro leakage is conveniently and effectively detected.
The colored liquid which is leaked in a trace amount and appears in the detection process of the filter is collected on the water-absorbing cotton block in the bottom tube mainly by the air pressure action of the auxiliary air pump and the vibration action of the vibrating metal cylinder, so that the accumulation of the trace colored liquid by the water-absorbing performance of the water-absorbing cotton block is avoided. Meanwhile, the extrusion assembly is driven by the small reciprocating electric telescopic rod to extrude the water-absorbing cotton block, and the colored liquid accumulated and absorbed in the extrusion assembly is extruded into the micro cavity. Meanwhile, before detection, the filter is sleeved by the hot air blower and the sleeve for drying treatment. The liquid adhered originally by the filter is prevented from influencing the detection result.
Other features and advantages of the present invention will be disclosed in the following detailed description of the invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an apparatus for detecting tightness of an automotive filter according to the present invention.
Fig. 2 is a top view of the long duct and bottom duct mating connection of the vehicle filter leak tightness testing apparatus of the present invention of fig. 1.
Fig. 3 is an enlarged structural view at a in fig. 2.
Fig. 4 is an enlarged structural view of a pressing member of the apparatus for detecting tightness of an automotive filter of the present invention in fig. 3.
Fig. 5 is a top view of the seal slide, linkage rod, connecting rail and test bench of the test apparatus for testing tightness of automotive filters of the invention of fig. 1.
List of reference numerals: a detection device 100 for tightness of an automotive filter; a detection stage 10; a main electric telescopic rod 20; a liquid injection mechanism 30; a connection plate 31; a liquid storage box 32; a transfer pump 33; an input tube 34; an output pipe body 35; a trace accumulation display mechanism 40; an embedded cavity 41; a metal cylinder 42; a vibrator 43; a long conduit 44; a bottom tube 45; an accumulation pressing mechanism 46; a small reciprocating electric telescopic rod 461; a pressing assembly 462; a top block 4621; a through hole 4622; rotating the blocking block 4623; a gravity block 4624; a first rubber seal 4625; absorbent cotton 463; a mesh-like fixed block 464; a threaded connection ring 465; a threaded connection nipple 466; a micro cavity 47; a sealing plug 48; a pneumatic mechanism 50; an auxiliary air pump 51; a first exhaust hole 52; a pretreatment mechanism 60; a closing slide 61; a connecting rail 62; a link lever 63; an annular electric rail 64; a sub electric telescopic rod 65; a hot air blower 66; a sleeve 67; a second vent hole 68; heating wire 70.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, in an embodiment of the present invention, an apparatus 100 for detecting tightness of an automotive filter includes: a detection stage 10, a main electric telescopic rod 20, a liquid injection mechanism 30, and a trace accumulation display mechanism 40; the main electric telescopic rod 20 is vertically fixedly connected to the right outer wall of the inspection station 10. The upper end of the main electric telescopic rod 20 is a telescopic end. The liquid injection mechanism 30 is provided at the telescopic end of the main electric telescopic rod 20. The trace accumulation display mechanism 40 includes: an embedded cavity 41, a metal cylinder 42, a vibrator 43, a long guide pipe 44, a bottom pipe 45, an accumulation pressing mechanism 46 and a micro-cavity 47. The embedded cavity 41 is opened on the detecting table 10, and the metal tube 42 is fixedly connected to the embedded cavity 41 in a jogged manner. The vibrator 43 is fixedly connected to the bottom of the metal cylinder 42. The long guide pipe 44 is vertically fixedly connected to the bottom of the metal cylinder 42, and the inner diameter of the long guide pipe 44 gradually becomes smaller from top to bottom. The bottom pipe 45 is vertically disposed at the bottom of the long duct 44. The bottom tube 45 passes out from the bottom of the inspection station 10. The bottom tube 45 is a transparent tube body. An accumulation pressing mechanism 46 is provided in the bottom pipe 45. The micro cavity 47 is formed in the side wall of the bottom pipe 45. The accumulation pressing mechanism 46 includes: a small reciprocating electric telescopic rod 461, a pressing assembly 462, a water absorbent cotton block 463 and a net-shaped fixing block 464. The small-sized reciprocating electric telescopic rod 461 is vertically connected to the bottom of the bottom pipe 45, and the small-sized reciprocating electric telescopic rod 461 is inserted into the bottom pipe 45. The compression assembly 462 is attached to the telescoping end of a small reciprocating motorized telescoping rod 461. The mesh-like fixing block 464 is attached to the inside of the bottom tube 45 near the upper end and is located at a position higher than the position of the micro chamber 47. Absorbent cotton 463 is bonded to the underside of mesh-like fixed block 464, and the upper end of absorbent cotton 463 is flush with the port of microcavity 47.
The accumulation extrusion mechanism 46 further includes: a threaded connection ring 465 and a threaded connection tube head 466. A threaded connection ring 465 is fixedly connected to the upper side of the mesh-shaped fixing block 464. The screw connection ring 465 is connected to the inner wall of the upper end of the bottom pipe 45 by screw fitting. A threaded connector tip 466 is fixedly attached to the upper end of threaded connector ring 465. And the threaded connector 466 is connected to the inside of the long conduit 44 by a threaded fit. When one test is completed, the bottom tube 45 is rotatably detached from the bottom of the long guide tube 44. The threaded connection header 466 inside the bottom tube 45 is then rotated. So that the net-shaped fixing block 464 and the absorbent cotton block 463 are driven to be separated so as to be convenient for replacement.
The trace accumulation display mechanism 40 further includes: and a sealing plug 48. A sealing plug 48 is matingly connected at the outer wall of the micro chamber 47. The sealing plug 48 facilitates opening the outer wall of the sealing plug 48 and draining the liquid entering the micro chamber 47.
The liquid injection mechanism 30 includes: the connection plate 31, the liquid storage box 32, the transfer pump 33, the input pipe 34, and the output pipe 35. The connection plate 31 is horizontally fixedly connected to the telescopic end of the main electric telescopic rod 20. The liquid storage box 32 is fixedly attached to the upper side of the connection plate 31. The transfer pump 33 is cooperatively connected to the liquid storage cartridge 32. The input pipe 34 is connected to the output of the transfer pump 33. The output pipe 35 is cooperatively connected to the upper end of the liquid storage box 32. The input pipe body 34 and the output pipe body 35 are respectively provided with a sealing butt joint part connected with an output and input port of the automobile filter. The liquid storage box 32 contains a colored liquid.
When the tightness of the automobile filter is required to be detected, the automobile filter and the input/output port are connected with the input pipe 34 and the output pipe 35 respectively. And then controls the main electric telescopic rod 20 to perform the retracting movement. The connecting plate 31 thus drives the filter down into the metal tube 42, and the connecting plate 31 closes the port of the metal tube 42. Then, the transfer pump 33 is started, and the transfer pump 33 introduces the liquid in the liquid storage box 32 into the filter through the input pipe 34. And the liquid passing through the filter is eventually discharged back into the liquid storage box 32 through the output pipe 35. If the filter leaks during this process, it flows directly into the canister 42. And the vibrator 43 is started in the sealing detection process, the vibrator 43 causes the metal cylinder 42 to vibrate, so that leaked liquid can flow downwards rapidly and gather into the long guide pipe 44 under the vibration effect, and finally flows into the transparent bottom pipe 45, so that the detection personnel can observe the leakage liquid conveniently. Meanwhile, if the leakage liquid is small, the leakage liquid flows into the bottom pipe 45. The minute amount of liquid passes through the absorbent pad 463, is directly absorbed by it and gradually accumulates. Simultaneously, the small-sized reciprocating electric telescopic rod 463 continuously performs telescopic motion, and when the telescopic rod extends each time, the water-absorbing cotton block 463 is extruded through the extrusion component 462, the accumulated trace liquid is extruded, and the extruded trace liquid flows into the micro cavity 47, so that detection personnel can observe and obtain detection results.
The apparatus 100 for detecting the tightness of an automotive filter further includes: pneumatic mechanism 50. The pneumatic mechanism 50 includes: an auxiliary air pump 51 and a first exhaust hole 52. The auxiliary air pump 51 is fixedly connected to the connection plate 31. And the air outlet end is downward. The first exhaust hole 52 is formed at the bottom of the bottom pipe 45. The auxiliary air pump 51 is turned on during the detection. The auxiliary air pump 51 generates an air flow to charge the metal cylinder 42. The resulting air flow promotes the flow of micro-leaking liquid into the long conduit 44. And the gas that is charged eventually exits the first exhaust port 52, avoiding excessive pressure inside the long conduit 44.
The apparatus 100 for detecting the tightness of an automotive filter further includes: a pretreatment mechanism 60. The pretreatment mechanism 60 includes: the seal slide plate 61, the connecting guide rail 62, the linkage rod 63, the annular electric guide rail 64, the auxiliary electric telescopic rod 65, the air heater 66, the sleeve 67 and the second air exhaust hole 68. The connection rail 62 is horizontally fixedly connected to the fixed end of the main electric telescopic rod 20. The closing slide 61 is horizontally provided at the port of the metal cylinder 42, and the closing slide 61 is slidably connected to the connection rail 62. The link lever 63 is movably connected between the connection plate 31 and the closing slide 61. An annular motor rail 64 is fixedly connected to the upper side of the closing slide 61. The secondary electric telescopic rod 65 is vertically slidably connected to the annular electric rail 64. The sleeve 67 is fixedly connected to the telescopic end of the sub electric telescopic rod 65. The air heater 66 is fixedly mounted to the inner bottom of the sleeve 67, and the air inlet end of the air heater 66 is outside the sleeve 67 and the air outlet end is inside the sleeve 67. The second air vent holes 68 are circumferentially and equidistantly formed in the upper end of the sleeve 67. Before the filter seal detection, after the filter is connected with the input pipe 34 and the output pipe 35, the auxiliary electric telescopic rod 65 is controlled to extend upwards, so that the auxiliary electric telescopic rod 65 drives the sleeve 67 to lift and prop against the lower side of the connecting flat plate 31, and the filter is sleeved. Then, the air heater 66 is started, the air heater 66 generates hot air flow into the sleeve 67, and the filter is dried by the hot air flow. Avoiding the false detection caused by the liquid on the outer wall. When the main motor telescopic rod 20 is contracted after the processing is completed, the descending connection plate 31 presses the link rod 63. Causing the linkage rod 63 to push the closure slide 61 to slide out of the way from the port of the canister 42, causing it to open.
The pressing assembly 462 includes: top block 4621, through hole 4622, rotating block 4623, and gravity block 4624. The top block 4621 is fixedly connected horizontally to the telescopic end of the small reciprocating electric telescopic rod 461. The through holes 4622 are uniformly formed in the top block 4621. The rotary block 4623 is rotatably coupled to the through-hole 4622 by a rotation shaft. The weight 4624 is fixedly connected to one end of the rotating block 4623.
When the top block 4621 is in contact with the extruded absorbent cotton 463, the rotating plugs 4623 in the through holes 4622 in each position are held in an inclined open position by the gravity block 4624 to facilitate the passage of liquid or air. When the small-sized reciprocating electric telescopic rod 463 pushes the top block 4621 to extrude onto the absorbent cotton 463, the rotary blocking blocks 4623 in the through holes 4622 at all positions rotate to the horizontal positions due to extrusion, so that the through holes 4622 are blocked, the liquid extruded in the absorbent cotton 463 can not flow away from the lower side, and the extruded liquid can conveniently enter the micro-cavity 47, so that the feedback result is convenient.
The extrusion assembly 462 further includes: first rubber seal 4625. The first rubber seal 4625 is bonded around the outer wall of the rotating block 4623. When the rotary block 4623 is rotated to the horizontal position, the first rubber seal 4625 fills the gap between the rotary block 4623 and the through hole 4622, causing the through hole 4622 to seal.
The apparatus 100 for detecting the tightness of an automotive filter further includes: heating wire 70. The heating wire 70 is buried in the side wall of the metal cylinder 42. The metal cylinder 42 is a thermally conductive metal body. When it is desired to keep the metal cylinder 42 dry, the heating wire 70 is energized to heat up the metal cylinder 42 to ensure that the liquid adhering to the inner wall thereof is baked.
The metal tube 42 is funnel-shaped for convenient flow guiding.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. An apparatus for detecting tightness of an automotive filter, comprising: the device comprises a detection table, a main electric telescopic rod, a liquid injection mechanism and a trace accumulation display mechanism; the main electric telescopic rod is connected to the detection table; the liquid injection mechanism is arranged at the telescopic end of the main electric telescopic rod; the trace accumulation display mechanism includes: the device comprises an embedded cavity, a metal cylinder, a vibrator, a long guide pipe, a bottom pipe, an accumulation extrusion mechanism and a micro cavity; the embedded cavity is arranged on the detection table, and the metal cylinder is embedded and fixedly connected into the embedded cavity; the vibrator is fixedly connected to the metal cylinder; the long guide pipe is vertically and fixedly connected to the bottom of the metal cylinder, and the inner diameter of the long guide pipe is gradually reduced from top to bottom; the bottom pipe is vertically arranged at the bottom of the long guide pipe; the bottom tube is a transparent tube body; the accumulation extrusion mechanism is arranged in the bottom pipe; the micro cavity is arranged in the bottom pipe; the accumulation extrusion mechanism includes: the device comprises a small reciprocating electric telescopic rod, an extrusion assembly, a water-absorbing cotton block and a net-shaped fixed block; the small reciprocating electric telescopic rod is connected to the bottom pipe; the extrusion component is connected with the telescopic end of the small reciprocating electric telescopic rod; the reticular fixed block is connected into the bottom tube; the water-absorbing cotton block is adhered to the reticular fixed block;
the liquid injection mechanism includes: the device comprises a connecting flat plate, a liquid storage box, a delivery pump, an input pipe body and an output pipe body; the connecting flat plate is horizontally and fixedly connected to the telescopic end of the main electric telescopic rod; the liquid storage box is fixedly connected to the connecting flat plate; the delivery pump is cooperatively connected to the liquid storage box; the input pipe body is connected with the output end of the conveying pump; the output pipe body is connected to the liquid storage box in a matched manner; the liquid storage box is filled with colored liquid;
the detection equipment of the tightness of the automobile filter also comprises: an air pressure mechanism; the pneumatic mechanism comprises: an auxiliary air pump and a first exhaust hole; the auxiliary air pump is fixedly connected to the connecting flat plate; the first exhaust hole is formed in the bottom of the bottom pipe;
the detection equipment of the tightness of the automobile filter also comprises: a pretreatment mechanism; the pretreatment mechanism includes: the device comprises a closed slide plate, a connecting guide rail, a linkage rod, an annular electric guide rail, an auxiliary electric telescopic rod, a hot air blower, a sleeve and a second exhaust hole; the connecting guide rail is connected to the fixed end of the main electric telescopic rod; the sealing slide plate is horizontally arranged at the port of the metal cylinder and is connected to the connecting guide rail in a sliding manner; the linkage rod is movably connected between the connecting flat plate and the closed sliding plate; the annular electric guide rail is fixedly connected to the closed sliding plate; the auxiliary electric telescopic rod is connected to the annular electric guide rail in a sliding manner; the sleeve is fixedly connected to the telescopic end of the auxiliary electric telescopic rod; the air heater is fixedly arranged in the sleeve; the second exhaust holes are circumferentially and equidistantly formed in the sleeve.
2. The apparatus for detecting tightness of an automotive filter according to claim 1, wherein,
the accumulation extrusion mechanism further includes: a threaded connection ring and a threaded connection tube head; the threaded connection ring is fixedly connected to the upper side of the reticular fixed block; the threaded connection ring is connected to the inner wall of the bottom pipe through threaded fit; the threaded connection pipe head is fixedly connected to the threaded connection ring; and the threaded connection pipe head is connected into the long guide pipe through threaded fit.
3. The apparatus for detecting tightness of an automotive filter according to claim 1, wherein,
the trace accumulation display mechanism further includes: a sealing plug; the sealing plug is connected with the miniature cavity in a matching way.
4. The apparatus for detecting tightness of an automotive filter according to claim 1, wherein,
the extrusion assembly includes: the device comprises a top block, a through hole, a rotary plugging block and a gravity block; the top block is horizontally and fixedly connected to the telescopic end of the small reciprocating electric telescopic rod; the through holes are uniformly formed in the top block; the rotary plugging block is rotationally connected into the through hole through a rotating shaft; the gravity block is fixedly connected to one end of the rotary plugging block.
5. The apparatus for detecting tightness of automotive filter according to claim 4, wherein,
the extrusion assembly further comprises: a first rubber seal ring; the first rubber sealing ring is connected to the rotary plugging block.
6. The apparatus for detecting tightness of an automotive filter according to claim 1, wherein,
the detection equipment of the tightness of the automobile filter also comprises: heating wires; the electric heating wire is buried in the side wall of the metal cylinder; the metal cylinder is a heat-conducting metal body.
7. The apparatus for detecting tightness of an automotive filter according to claim 1, wherein,
the metal cylinder is funnel-shaped for convenient flow guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287460.1A CN114659722B (en) | 2022-03-22 | 2022-03-22 | Detection equipment for tightness of automobile filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287460.1A CN114659722B (en) | 2022-03-22 | 2022-03-22 | Detection equipment for tightness of automobile filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114659722A CN114659722A (en) | 2022-06-24 |
| CN114659722B true CN114659722B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210287460.1A Active CN114659722B (en) | 2022-03-22 | 2022-03-22 | Detection equipment for tightness of automobile filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115950596B (en) * | 2023-03-13 | 2023-05-23 | 成立航空技术(成都)有限公司 | Aeroengine nozzle air tightness detection device |
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