CN203191285U - Air injection mechanism in PVDC (polyvinyl dichloride) film air permeability detection device - Google Patents
Air injection mechanism in PVDC (polyvinyl dichloride) film air permeability detection device Download PDFInfo
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- CN203191285U CN203191285U CN 201320173720 CN201320173720U CN203191285U CN 203191285 U CN203191285 U CN 203191285U CN 201320173720 CN201320173720 CN 201320173720 CN 201320173720 U CN201320173720 U CN 201320173720U CN 203191285 U CN203191285 U CN 203191285U
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- pvdc film
- air permeability
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- flexible pipe
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Abstract
The utility model provides an air injection mechanism in a PVDC (polyvinyl dichloride) film air permeability detection device, which belongs to the field of mechanical technology and solves the technical problems that the air injection mechanism in the existing PVDC film air permeability detection device can not well control the air injection pressure and the like. According to the air injection mechanism in a PVDC film air permeability detection device, the PVDC film air permeability detection device comprises a base, an upright and a positioning clamp, wherein the upright is vertically fixed on the base; the positioning clamp is arranged on the base and can position a PVDC film; the air injection mechanism comprises an air pump, a nozzle and a connection hose; the air pump is fixed on the base; an inlet of the nozzle is communicated with the air pump through the connection hose, and an outlet of the nozzle faces to the base; an adjusting valve is arranged in the connection hose; a linear push rod motor is fixed at the upper end of the upright; a push rod of the linear push rod motor is vertical to the upright; and the nozzle is fixed on the push rod of the linear push rod motor. The air injection mechanism provided by the utility model has the advantages that the air pressure can be better controlled and the like.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of jet mechanism, particularly the jet mechanism in a kind of PVDC film device for checking air permeability.
Background technology
PVDC, formal name used at school " polyvinylidene chloride " is a kind of softening temperature at 160-200 ℃ thermoplastic polymer, has linear polymerization chain structure from beginning to end.The molecular structure symmetry, the crystallinity height, because its intermolecular cohesive force is strong, the crystallinity height, chlorine atom in the PVDC molecule has hydrophobicity, can not form hydrogen bond, and oxygen molecule and hydrone are difficult in the PVDC molecule mobile, thereby make it have good resistance oxygen and resistance is moist, and its resistance oxygen is not subjected to the influence of ambient humidity.That is to say that under any temperature or damp condition, have the ability of remarkable obstruct steam, oxygen, smell and fragrance concurrently, the PVDC film is the best plastic package material of combination property aspect barrier of generally acknowledging at present.
Gas penetration potential is that gas is to the perviousness of macromolecular materials such as film, coating, fabric.Be one of important physical property of polymkeric substance, relevant with structure, phase and the molecular motion situation of polymkeric substance.For example the terylene molecular polarity strong, have rigid chain, so its gas penetration potential is little less than polarity, tygon with flexible chain; Contain two methyl on each structure of butyl rubber, segment can not free movement, so its gas penetration potential than low tens of times of natural rubber, is the best rubber of impermeability, the research of polymkeric substance gas penetration potential has important practical to be worth.
Jet mechanism in this PVDC film device for checking air permeability is the part on the PVDC film device for checking air permeability of aluminizing, and the PVDC film device for checking air permeability of aluminizing detects the gas penetration potential index that how much calculates film through the gas of film by air flow sensor.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed the jet mechanism in a kind of PVDC film device for checking air permeability, by being arranged on the equilibrium that the variable valve that connects on the flexible pipe guarantees jet air pressure.
The purpose of this utility model can realize by following technical proposal: the jet mechanism in a kind of PVDC film device for checking air permeability, described PVDC film device for checking air permeability comprises base, vertically being fixed on the column on the base and being arranged on can be with PVDC film location positioning fixture firmly on the base, it is characterized in that, this jet mechanism comprises air pump, nozzle be connected flexible pipe, described air pump is fixed on the base, the import of described nozzle is connected with air pump by connecting flexible pipe, and the outlet of described nozzle is towards described base, be provided with variable valve in the described connection flexible pipe, fixedly there is line handspike motor described column upper end, the push rod of described line handspike motor and described column are perpendicular, and described nozzle is fixed on the push rod of line handspike motor.
The nozzle that utilization links to each other with air pump is aimed at the PVDC film upper surface of aluminizing and is carried out jet, link to each other by flexible pipe between nozzle and the air pump, nozzle also is fixed on the push rod of a line handspike motor, move back and forth at the PVDC film upper surface of aluminizing by the driven by motor nozzle, all carry out gas penetration potential with the diverse location to whole sample and detect, connect in the flexible pipe and be provided with variable valve, variable valve can be with the air-pressure controlling of coming out from nozzle on some numerical value, reduce variable, improve the precision that detects.
In the jet mechanism in above-mentioned a kind of PVDC film device for checking air permeability, also fix free relay on the described base, the described time relay links to each other with line handspike motor with above-mentioned air pump by circuit one and circuit two respectively.The time relay is used for controlling detection time, and when finished the detection time of setting, the time relay was closed air pump and line handspike motor timely, when the detected air quantity of air flow sensor is zero, finishes this detection automatically.
In the jet mechanism in above-mentioned a kind of PVDC film device for checking air permeability, described connection flexible pipe adopts elastomeric material to make.The connection flexible pipe that elastomeric material is made can guarantee line handspike motor smooth and easy when promoting the nozzle motion.
In the jet mechanism in above-mentioned a kind of PVDC film device for checking air permeability, the external diameter of described connection flexible pipe is less than the bore of the import of described nozzle, is provided with in the described connection flexible pipe to make the periphery wall that connects flexible pipe be close to jump ring on the mouth wall of import of nozzle.Jump ring will connect flexible pipe and firm the fixing of nozzle, prevent that the motion of line handspike motor from causing connecting flexible pipe and nozzle disengaging.
In the jet mechanism in above-mentioned a kind of PVDC film device for checking air permeability, the cross section of described jump ring is rounded, and the end of jump ring has through hole.Jump ring will connect flexible pipe and firm the fixing of nozzle, prevent that the motion of line handspike motor from causing connecting flexible pipe and nozzle disengaging.
In the jet mechanism in above-mentioned a kind of PVDC film device for checking air permeability, described positioning fixture comprises a pole that vertically is fixed on the base plate, the upper end horizontal fixed of described pole has a transverse slat, be inserted with two tensioning tubes that are parallel to each other and can rotate on the described transverse slat, be provided with one between described tensioning tube and the transverse slat and can make the tensioning tube be fixed on positioning component on the transverse slat, offer a clip slot on the described tensioning tube vertically; Described positioning component comprises two bolt hole and two bolts that cooperate with bolt hole of being opened in the transverse slat upper surface, and described bolt can be resisted against on the tensioning tube; Be set with a turning knob on the described tensioning tube, respectively be provided with a benchmark back-up ring on described two tensioning tubes, the line of two benchmark back-up rings and tensioning tube axis normal; Described turning knob is provided with tread plate, and described clip slot is offered along tensioning barrel dliameter line, and the left end of clip slot aligns with the benchmark back-up ring.
The PVDC film of will aluminizing is cut into square, with aluminize the PVDC film over against two edges snap in respectively in the clip slot of two tensioning tubes, rotation tensioning tube, make the PVDC film of aluminizing be in smooth tensioning state, because the anchor clamps of the PVDC film moisture-penetrability of originally aluminizing test usefulness have adopted two tensioning tubes, by rotating just can realize the aluminizing tensioning of PVDC film of two turning knobs on the tensioning tube, not only can adjust its tensioning degree, and the flatness of the PVDC film that can also guarantee to aluminize; The tensioning tube will be aluminized and can the tensioning tube be fixed by the bolt that is arranged on the transverse slat after the tensioning of PVDC film, also be set with a benchmark back-up ring on each tensioning tube, the effect of benchmark back-up ring is with straight the twisting on the tensioning tube of the PVDC film of aluminizing, be convenient to operation, and be conducive to the smooth of PVDC film of aluminizing; Turning knob is provided with tread plate, also is conducive to the easy to operate of this device.
Compared with prior art, the utlity model has following advantage:
1, in this jet mechanism, the nozzle that utilization links to each other with air pump is aimed at the PVDC film upper surface of aluminizing and is carried out jet, link to each other by flexible pipe between nozzle and the air pump, nozzle also is fixed on the push rod of a line handspike motor, move back and forth at the PVDC film upper surface of aluminizing by the driven by motor nozzle, all carrying out gas penetration potential with the diverse location to whole sample detects, connect in the flexible pipe and be provided with variable valve, variable valve can be with the air-pressure controlling of coming out from nozzle on some numerical value, reduce variable, improve the precision that detects.
2, the positioning fixture in this jet mechanism not only can be adjusted its tensioning degree by rotating just can realize the aluminizing tensioning of PVDC film of two turning knobs on the tensioning tube, and the flatness of the PVDC film that can also guarantee to aluminize.
Description of drawings
Fig. 1 is the structural representation of this jet mechanism.
Fig. 2 is the position view of this jet mechanism in PVDC film device for checking air permeability.
Fig. 3 is the structural representation of positioning fixture.
Fig. 4 is the syndeton synoptic diagram between nozzle and the connection flexible pipe.
Fig. 5 is the enlarged drawing of local A among Fig. 3.
Fig. 6 is the sectional view of B-B direction among Fig. 4.
Among the figure, 1, base; 2, column; 3, positioning fixture; 311, base plate; 312, pole; 313, transverse slat; 314, tensioning tube; 315, positioning component; 3151, bolt hole; 3152, bolt; 316, clip slot; 317, turning knob; 318, benchmark back-up ring; 319, tread plate; 41, air pump; 42, nozzle; 43, connect flexible pipe; 44, variable valve; 45, line handspike motor; 46, jump ring; 47, through hole; 5, the time relay; 51, circuit one; 52, circuit two; 10, PVDC film.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, jet mechanism in a kind of PVDC film device for checking air permeability, described PVDC film 10 device for checking air permeability comprise base 1, vertically being fixed on the column 2 on the base 1 and being arranged on can be with PVDC film 10 location positioning fixture 3 firmly on the base 1, it is characterized in that, this jet mechanism comprises air pump 41, nozzle 42 be connected flexible pipe 43, described air pump 41 is fixed on the base 1, the import of described nozzle 42 is connected with air pump 41 by connecting flexible pipe 43, and the outlet of described nozzle 42 is towards described base 1, be provided with variable valve 44 in the described connection flexible pipe 43, fixedly there is line handspike motor 45 described column 2 upper ends, the push rod of described line handspike motor 45 and described column 2 are perpendicular, described nozzle 42 is fixed on the push rod of line handspike motor 45, also fix free relay 5 on the base 1, the described time relay 5 links to each other with line handspike motor 45 with above-mentioned air pump 41 by circuit 1 and circuit 2 52 respectively.The time relay 5 is used for controlling detection time, when finished the detection time of setting, the time relay 5 was closed air pump 41 and line handspike motor 45 timely, when the detected air quantity of air flow sensor is zero, automatically finish this detection, connect flexible pipe 43 and adopt elastomeric material to make.The connection flexible pipe 43 that elastomeric material is made can guarantee line handspike motor 45 smooth and easy when promoting nozzle 42 motions.
As Fig. 1, Fig. 4 and shown in Figure 6, in the jet mechanism in this PVDC film device for checking air permeability, connect the external diameter of flexible pipe 43 less than the bore of the import of described nozzle 42, be provided with in the described connection flexible pipe 43 and can make the periphery wall that connects flexible pipe 43 be close to jump ring 46 on the mouth wall of import of nozzle 42, jump ring 46 will connect flexible pipe 43 and nozzle 42 firm fixing, the motion that prevents line handspike motor 45 causes connecting flexible pipe 43 and nozzle 42 disengagings, the cross section of jump ring 46 is rounded, and the end of jump ring 46 has through hole 47.Jump ring 46 will connect flexible pipe 43 and nozzle 42 firm fixing, and prevent that the motion of line handspike motor 45 from causing connecting flexible pipe 43 and nozzle 42 disengagings.
As Fig. 3 and shown in Figure 5, in the jet mechanism in this PVDC film device for checking air permeability, positioning fixture 3 comprises a pole 312 that vertically is fixed on the base plate 311, the upper end horizontal fixed of described pole 312 has a transverse slat 313, be inserted with two tensioning tubes 314 that are parallel to each other and can rotate on the described transverse slat 313, be provided with one between described tensioning tube 314 and the transverse slat 313 and can make tensioning tube 314 be fixed on positioning component 315 on the transverse slat 313, offer a clip slot 316 on the described tensioning tube 314 vertically; Described positioning component 315 comprises two bolt hole 3151 and two bolts 3152 that cooperate with bolt hole 3151 of being opened in transverse slat 313 upper surfaces, and described bolt 3152 can be resisted against on the tensioning tube 314; Be set with a turning knob 317 on the described tensioning tube 314, respectively be provided with line and tensioning tube 314 axis normal of 318, two benchmark back-up rings 318 of a benchmark back-up ring on described two tensioning tubes 314; Described turning knob 317 is provided with tread plate 319, described clip slot 316 is offered along tensioning tube 314 radial lines, and the left end of clip slot 316 aligns with benchmark back-up ring 318, the PVDC film 10 of will aluminizing is cut into square, with aluminize PVDC film 10 over against two edges snap in respectively in the clip slot 316 of two tensioning tubes 314, rotation tensioning tube 314, make the PVDC film 10 of aluminizing be in smooth tensioning state, because the anchor clamps of PVDC film 10 moisture-penetrabilitys of originally aluminizing test usefulness have adopted two tensioning tubes 314, by rotating just can realize the aluminizing tensioning of PVDC film 10 of two turning knobs 317 on the tensioning tube 314, not only can adjust its tensioning degree, and the flatness of the PVDC film 10 that can also guarantee to aluminize; Tensioning tube 314 will be aluminized can be fixing with tensioning tube 314 by the bolt 3152 that is arranged on the transverse slat 313 after 10 tensionings of PVDC film, also be set with a benchmark back-up ring 318 on each tensioning tube 314, the effect of benchmark back-up ring 318 is with PVDC film 10 straight the twisting on the tensioning tube 314 of aluminizing, be convenient to operation, and be conducive to the smooth of PVDC film 10 of aluminizing; Turning knob 317 is provided with tread plate 319, also is conducive to the easy to operate of this device.
Principle of work of the present utility model is: utilize the nozzle 42 that links to each other with air pump 41 to aim at PVDC film 10 upper surfaces of aluminizing and carry out jet, link to each other by flexible pipe between nozzle 42 and the air pump 41, nozzle 42 also is fixed on the push rod of a line handspike motor 45, move back and forth at PVDC film 10 upper surfaces of aluminizing by driven by motor nozzle 42, all carrying out gas penetration potential with the diverse location to whole sample detects, connect in the flexible pipe 43 and be provided with variable valve 44, variable valve 44 can be with the air-pressure controlling of coming out from nozzle 42 on some numerical value, reduce variable, improve the precision that detects.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. the jet mechanism in the PVDC film device for checking air permeability, described PVDC film (10) device for checking air permeability comprises base (1), vertically being fixed on the column (2) on the base (1) and being arranged on can be with PVDC film (10) location positioning fixture (3) firmly on the base (1), it is characterized in that, this jet mechanism comprises air pump (41), nozzle (42) be connected flexible pipe (43), described air pump (41) is fixed on the base (1), the import of described nozzle (42) is connected with air pump (41) by connecting flexible pipe (43), and the outlet of described nozzle (42) is towards described base (1), be provided with variable valve (44) in the described connection flexible pipe (43), fixedly there is line handspike motor (45) described column (2) upper end, the push rod of described line handspike motor (45) and described column (2) are perpendicular, and described nozzle (42) is fixed on the push rod of line handspike motor (45).
2. the jet mechanism in a kind of PVDC film device for checking air permeability according to claim 1, it is characterized in that, also fix free relay (5) on the described base (1), the described time relay (5) links to each other with line handspike motor (45) with above-mentioned air pump (41) by circuit one (51) and circuit two (52) respectively.
3. the jet mechanism in a kind of PVDC film device for checking air permeability according to claim 1 and 2 is characterized in that, described connection flexible pipe (43) adopts elastomeric material to make.
4. the jet mechanism in a kind of PVDC film device for checking air permeability according to claim 1 and 2, it is characterized in that, the external diameter of described connection flexible pipe (43) is less than the bore of the import of described nozzle (42), is provided with in the described connection flexible pipe (43) to make the periphery wall that connects flexible pipe (43) be close to jump ring (46) on the mouth wall of import of nozzle (42).
5. the jet mechanism in a kind of PVDC film device for checking air permeability according to claim 4 it is characterized in that the cross section of described jump ring (46) is rounded, and the end of jump ring (46) has through hole (47).
6. the jet mechanism in a kind of PVDC film device for checking air permeability according to claim 1, it is characterized in that, described positioning fixture (3) comprises a pole (312) that vertically is fixed on the base plate (311), the upper end horizontal fixed of described pole (312) has a transverse slat (313), be inserted with two tensioning tubes (314) that are parallel to each other and can rotate on the described transverse slat (313), be provided with one between described tensioning tube (314) and the transverse slat (313) and can make tensioning tube (314) be fixed on positioning component (315) on the transverse slat (313), offer a clip slot (316) on the described tensioning tube (314) vertically; Described positioning component (315) comprises two bolt hole (3151) and two bolts (3152) that cooperate with bolt hole (3151) of being opened in transverse slat (313) upper surface, and described bolt (3152) can be resisted against on the tensioning tube (314); Be set with a turning knob (317) on the described tensioning tube (314), respectively be provided with a benchmark back-up ring (318) on described two tensioning tubes (314), the line of two benchmark back-up rings (318) and tensioning tube (314) axis normal; Described turning knob (317) is provided with tread plate (319), and described clip slot (316) is offered along tensioning tube (314) radial line, and the left end of clip slot (316) aligns with benchmark back-up ring (318).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173720 CN203191285U (en) | 2013-04-09 | 2013-04-09 | Air injection mechanism in PVDC (polyvinyl dichloride) film air permeability detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173720 CN203191285U (en) | 2013-04-09 | 2013-04-09 | Air injection mechanism in PVDC (polyvinyl dichloride) film air permeability detection device |
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| Publication Number | Publication Date |
|---|---|
| CN203191285U true CN203191285U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320173720 Expired - Fee Related CN203191285U (en) | 2013-04-09 | 2013-04-09 | Air injection mechanism in PVDC (polyvinyl dichloride) film air permeability detection device |
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| CN (1) | CN203191285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160937A (en) * | 2019-06-21 | 2019-08-23 | 张建华 | A kind of underwear gas permeability detection system |
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2013
- 2013-04-09 CN CN 201320173720 patent/CN203191285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160937A (en) * | 2019-06-21 | 2019-08-23 | 张建华 | A kind of underwear gas permeability detection system |
| CN110160937B (en) * | 2019-06-21 | 2022-06-24 | 广州千誉智能科技有限公司 | Underwear air permeability detection system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20140409 |