CN105467065A - Oxygen index tester - Google Patents
Oxygen index tester Download PDFInfo
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- CN105467065A CN105467065A CN201511022491.0A CN201511022491A CN105467065A CN 105467065 A CN105467065 A CN 105467065A CN 201511022491 A CN201511022491 A CN 201511022491A CN 105467065 A CN105467065 A CN 105467065A
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- clamping plate
- support
- oxygen index
- pipeline
- index tester
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
- F16L3/04—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing and pressing it against a wall or other support
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides an oxygen index tester and belongs to the technical field of plastic testing. The oxygen index tester comprises a tester body and a suspension support, wherein the tester body comprises a housing, a testing module, an oxygen pipe and a nitrogen pipe. The testing module is arranged in the housing, and the oxygen pipe and the nitrogen pipe respectively penetrate through the housing and are communicated with the testing module. The suspension support comprises a support body, a suction disc and connecting rods, wherein the cross section of the support body is arc-shaped, stepped holes are formed in the center of the support body, the connecting rods are arranged in the stepped holes, a press cover is arranged at one end of each connecting rod, the other end of each connecting rod extends out of the corresponding through hole and is connected with the suction disc, connecting buckles are arranged on the support, and buckles and fixing seats are arranged at the upper portion of the housing and are used for supporting the housing. The using environments of the oxygen index tester are increased by arranging the suspension support which can be suspended on the wall face, the stability of the oxygen index tester can be always kept, and testing results can be more accurate.
Description
Technical field
The present invention relates to plastic testing technical field, in particular to a kind of oxygen index tester.
Background technology
Oxygen index measurer can measure the oxygen index of multiple material as plastics, rubber, textile fabric, timber, foamed material and other polymeric material.Oxygen index (LOI) refers under defined terms, and material carries out the minimum oxygen concentration needed for flaming combustion in oxygen-nitrogen mixture stream.Represent with the numerical value of the percent by volume shared by oxygen.According to national standard G β/T2406.2-2009 " plastics oxygen index method measures burning behavior " its test philosophy be: the sample vertical support of specified size is in the transparent combustion barrel of a given size, there is finite concentration bottom-up by the oxygen of regulation flow rate and the mixed gas of nitrogen in it, sample upper end is lighted with lighter, timing is started during sample burning, and observe sample combustion case, recording burning time and burning length during fray-out of flame, determining experimental result by comparing with the numerical value that specifies in national standard.In actual test, first according to sample in atmosphere combustion case estimate an initial oxygen concentration, then experimentally result, by " rising-fall method " principle, progressively finds sample to burn required minimum oxygen concentration.
Oxygen index tester of the prior art needs tester to be placed on horizontal stand when testing, and keeps tester to produce rocking, greatly limit the environment for use of tester, and it is very inconvenient to carry out in the place that some test conditions do not reach requirement testing.
Summary of the invention
The invention provides a kind of oxygen index tester, be intended to improve above-mentioned technical matters.
The present invention is achieved in that
A kind of oxygen index tester, comprise tester body and suspension holdfast, described tester body comprises shell, test module, oxygen channel and nitrogen pipeline, described test module is arranged in described shell, and described oxygen channel passes described shell respectively with described nitrogen pipeline and is communicated with described test module;
Described suspension holdfast comprises support, sucker and connecting rod, described support xsect is arc, described carriage center is provided with shoulder hole, described connecting rod is arranged in described shoulder hole, one end of described connecting rod is stretched out support and is provided with gland, and the other end stretches out described through hole and connects described sucker, and the step of described shoulder hole is provided with spring, the two ends of described spring prop up described shoulder hole and described gland respectively, and described sucker is positioned at the inner side of described support;
Described support is provided with junction button, and the top of described shell is provided with fastener, and described fastener is fastened on described junction button, and described support is connected with holder, and described holder is for supporting the bottom of described shell.
Tester shell and junction button in use, by sucker suction on body of wall, are connected and fixed by the oxygen index tester that the technical program provides, and levelling by holder, realize the stable of oxygen index tester, ensure that its test environment meets the requirements.Even under the condition that experiment condition lacks, only need can complete experiment by vertical body of wall.
Sucker, when operating, is first close to metope, is then pressed down gland, make the air emptying between sucker and metope by suspension holdfast, and sucker is firmly fixed on metope due to atmospheric effect.Test module be oxygen index tester for carrying out the part of combustion experiment, this part-structure is not core content of the present invention, and those skilled in the art can be known with reference to prior art, therefore repeat no more.
In the test process of reality, in order to ensure the accurate of test result, should ensure oxygen, nitrogen supply (NS) accurate, and in the prior art, because oxygen channel and nitrogen pipeline occur that the situations such as bending, winding cause oxygen-supplying amount and applying Namount out of true, and then affect experimental result.
Further, the both sides of described support are all connected with pipeline clamping plate, and described pipeline clamping plate are provided with pipeline clip slot, and described oxygen channel and described nitrogen pipeline are embedded respectively in the described pipeline clip slot of described support both sides.
The effect of pipeline clamping plate is for fixed oxygen feed channel and nitrogen pipeline, and ensure the unimpeded of oxygen channel and nitrogen pipeline with this, during use, oxygen channel and nitrogen pipeline block by the pipeline clip slot of support both sides respectively, prevent its winding at random.
Further, described pipeline clamping plate comprise the first pipeline clamping plate and second pipe clamping plate, and described first pipeline clamping plate are connected on described support, and be provided with draw-in groove in described first pipeline clamping plate, described second pipe clamping plate are slidably arranged in described draw-in groove;
The middle part of described draw-in groove is provided with plate washer, and the middle part of described second pipe clamping plate is provided with the opening corresponding with described plate washer, and the both sides of described opening are provided with dividing plate.
First pipeline clamping plate and second pipe clamping plate are separated to form pipeline clip slot by the dividing plate of baffle plate and opening both sides respectively.Pipeline clamping plate being arranged to drawing and pulling type structure, like this when not using, second pipe clamping plate can being collapsed in the draw-in groove of the first pipeline clamping plate, save the space taken.When drawing in, plate washer embeds in opening.
Further, described first pipeline clamping plate are provided with away from one end of described support and described second pipe clamping plate the snap close cooperatively interacted near one end of described support.
The effect of snap close is in use, when second pipe clamping plate slide into the end of the first pipeline clamping plate, is formed relative fixing, be unlikely in use by second pipe clamping plate with the first pipeline clamping plate, and the situation of sliding appears in second pipe clamping plate.
The structure of snap close can have a lot, the connection snap close of self-action or other are set clamping device by the first pipeline clamping plate and second pipe Boards wall.And more preferably shackle designs is become automatic locking and the structure that can repeatedly use.
Further, described snap close comprises pilot hole and resilient latching member, described pilot hole is arranged on the edge of described draw-in groove, described resilient latching member is arranged on described second pipe clamping plate, described resilient latching member comprises locking bar and spring, described locking bar connects described spring, described second pipe clamping plate are provided with fixed orifice, described fixed orifice and described pilot hole are arranged in opposite directions, described spring one end is fastened in described fixed orifice, the other end connects described locking bar, and described locking bar can slide along described fixed orifice and stretch in described pilot hole;
Described locking bar is connected with handle, and described handle to be arranged in described chute and to stretch out described chute.
The buckle structure that the technical program provides is work like this: when the first pipeline clamping plate and second pipe clamping plate are in rounding state, locking bar is pressed in fixed orifice, now spring is compressed, when outwards extracting second pipe clamping plate out, second pipe clamping plate move to pilot hole corresponding with fixed orifice position time, locking bar enters in pilot hole under the elastic force effect of spring, realizes the fixing of the first pipeline clamping plate and second pipe clamping plate.When needing to draw second pipe clamping plate in, manually pull handle, locking bar is deviate from from pilot hole.
Further, the lateral cross section of described fastener is in " work " font, and described junction button is provided with suspension groove, the upper end open of described suspension groove, lower end closed, described fastener is fastened in described suspension groove.
When oxygen index tester is installed, fastener enters suspension groove from the upper end of suspension groove, stop after arriving the bottom of suspension groove, realize fixing oxygen index tester upper end, the power while that this connected mode being easy and simple to handle suffered by oxygen index tester is even, and by controlling the making precision of suspension groove and fastener, fastener and suspension groove can be made accurately to locate, after holder forms support to the lower end of oxygen index tester, the position of oxygen index tester can keep vertically, there will not be crooked phenomenon.
The structure of fastener and junction button can also be arranged to a lot, as long as ensure stable connection.
Further, described junction button and described fastener are two, and two described junction buttons are symmetricly set on the two ends of described gland.
Further, described shell props up described gland near the side of described support.
Oxygen index tester in the present invention in use, first support is adsorbed on metope, then fastener is fastened on junction button, now gland is in pressed status sucker is tightly adsorbed on metope, the benefit that shell props up gland to prevent gland from upwarping, and drives sucker movable, cause between sucker and metope and enter air, reduce the absorption affinity of sucker, ensure the safety hung.
In actual use, situation smooth not before may running into, now to ensure that shell is in vertical state all the time, just must adjust the position of holder and support, usual support need be fixed on the comparatively smooth part of metope to ensure that sucker suction is stablized, and for holder, preferred also should have adjustable leeway.
Further, described holder comprises thread barrel and supporting seat, described thread barrel connects on the bracket, the inwall of described thread barrel is provided with internal thread, described supporting seat comprises support bar and cushion, the outer wall of described support bar is provided with the external thread with described screw-internal thread fit, and the threaded one end of described support bar is connected in described thread barrel, and the other end is fixedly connected with described cushion.
By regulating the relative position of support bar and thread barrel, both can adjust the position of holder, facilitate shell to fix, cushion is then for supporting outer.
Further, described supporting seat is two, and two supporting seats are separately positioned on the two ends of described thread barrel.
Another is for supporting metope for supporting outer for two supporting seats one, for whole suspender increases fixed pivot, makes suspender more stable.Same, also can be levelling by what regulate support bar and the relative position of thread barrel to realize metope for the supporting seat supporting metope, even if the situation of chance metope injustice also can form stable support.
The invention has the beneficial effects as follows: oxygen index tester provided by the invention is by arranging the suspension holdfast that may be used for being suspended on metope, add the environment for use of oxygen index tester, and the stable of oxygen index tester can be remained, make test result more accurate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the suspension holdfast that the embodiment of the present invention provides;
Fig. 2 is the sectional view along A-A line in Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the structural representation of holder in oxygen index tester provided by the invention;
Fig. 5 is the sectional view along B-B line in Fig. 4;
Fig. 6 is the structural representation of snap close in oxygen index tester provided by the invention;
Fig. 7 is the sectional view along C-C line in Fig. 6;
Fig. 8 is the structural representation of junction button in oxygen index tester provided by the invention;
Fig. 9 is the structural representation of fastener in oxygen index tester provided by the invention.
Figure acceptance of the bid note is respectively:
Shell 100; Support 101; Gland 102; Connecting rod 103; Shaft collar 104; Sucker 105; Junction button 120; Suspension groove 121; Fastener 122; First pipeline clamping plate 130; Second pipe clamping plate 131; Plate washer 132; Dividing plate 133; Locking bar 134; Handle 135; Fixed orifice 136; Pilot hole 137; Spring 138; Connecting link 141; Cushion 142; Thread barrel 143; Support bar 144.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In describing the invention, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this invention product orientation of usually putting or position relationship when using, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term in the present invention concrete can be understood
Implication.
Embodiment
As shown in Figures 1 to 9, present embodiments provide a kind of oxygen index tester, comprise tester body and suspension holdfast 101, tester body comprises shell 100, test module, oxygen channel and nitrogen pipeline, test module is arranged in shell 100, oxygen channel and nitrogen pipeline pass shell 100 respectively and are communicated with test module, and test module does not illustrate in the drawings.
Shell 100 is rectangle grid structures, and the top of shell 100 is provided with fastener 122, and as shown in Figure 8, the lateral cross section of fastener 122, in " work " font, is fixed on shell 100 at the bottom of of wherein " work " font in the mechanism of fastener 122.
As shown in Figure 2, suspension holdfast 101 comprises support 101, sucker 105 and connecting rod 103, and support 101 xsect is the arc of teabowl with a cover shape, and the center of support 101 is provided with the through hole running through support 101, and this through hole is a shoulder hole.Shoulder hole is offered along the center of support 101, and the larger opening of shoulder hole is away from the arcwall face of support 101, and shoulder hole is made with support 101 is one-body molded.
Connecting rod 103 is shaft-like, connecting rod 103 is vertically arranged in shoulder hole and connecting rod 103 can slide in this shoulder hole, one end of connecting rod 103 is stretched out support 101 and is provided with gland 102, gland 102 is circular lid, and gland 102 has cover plate and perisporium, and its cover plate lid is located at the end of connecting rod 103, its perisporium is positioned at shoulder hole, cover plate stretches out shoulder hole when non-pressed state, and be provided with spring below gland 102, spring props up shoulder hole.
The other end of connecting rod 103 stretches out shoulder hole and is connected with shaft collar 104, and shaft collar 104 is discoid, and the diameter of shaft collar 104 is large compared with connecting rod 103 diameter, and sucker 105 is fixed on shaft collar 104.Also shaft collar 104 can not be set, directly sucker 105 be arranged on the end of connecting rod 103.
Sucker 105 is arranged on shaft collar 104, when pressing gland 102, shaft collar 104 acts on sucker 105 under the promotion of connecting rod 103, more directly act on sucker 105 by connecting rod 103, the stress surface of sucker 105 is larger, accordingly, the air between sucker 105 and metope can be extruded away faster.By pressing gland 102, gland 102 slides along the inwall of shoulder hole, and gland 102 drivening rod 103 also promotes shaft collar 104, and the air between sucker 105 and metope is discharged by shaft collar 104, realizes the function of being adsorbed by sucker 105 on the wall.
Support 101 is provided with junction button 120, junction button 120 is arranged on the surface of support 101, junction button 120 is two, and two junction buttons 120 arrange along the symmetria bilateralis of gland 102, as shown in Figure 3, junction button 120 is mutually corresponding with the position of fastener 122, Fig. 9 shows the sectional view of junction button 120, junction button 120 is provided with suspension groove 121, the upper end open of suspension groove 121, lower end closed, fastener 122 can snap-fit in suspension groove 121 from top to bottom.
Support 101 is connected with holder, and the lower end that holder is connected to support 101 is also extended downwards, and holder is used for the bottom of supporting outer 100.As shown in Figure 6 and Figure 7, holder comprises thread barrel 143 and two supporting seats, and thread barrel 143 is connected on support 101 by connecting link 141, and the inwall of thread barrel 143 is provided with internal thread, supporting seat comprises support bar 145 and cushion 142, and cushion 142 is made up of silica gel.The outer wall of support bar 145 is provided with the external thread with screw-internal thread fit, and the threaded one end of support bar 145 is connected in thread barrel 143, and the other end is fixedly connected with cushion 142.
Two support bars 145 are all connected with thread barrel 143 and direction towards the opposite extends, and two cushions 142 are respectively used to support metope and shell 100.Be screwed into the degree in threaded hole by adjustment support bar 145, can adjust the height of support bar 145, realize the levelling of metope and the adjustment to shell 100 angle, the oxygen index tester being is arranged in vertical all the time.
The position of two junction buttons 120 and two holders is carried out connection to shell 100 respectively and is supported, and on the position that contact with shell 100 of junction button 120 and holder, the position of cushion 142 is in same vertical plane, and the maintenance of oxygen index tester is stablized.
After fastener 122 and junction button 120 fasten mutually, the outer wall of shell 100 props up gland 102, prevents gland 102 from moving, and stops air to enter in sucker 105, ensures that sucker 105 adsorbs stable.
In the test process of reality, in order to ensure the accurate of test result, should ensure oxygen, nitrogen supply (NS) accurate, and in the prior art, because oxygen channel and nitrogen pipeline occur that the situations such as bending, winding cause oxygen-supplying amount and applying Namount out of true, and then affect experimental result.
Therefore preferred embodiment all arranges pipeline clamping plate in the both sides of support 101, and the effect of pipeline clamping plate is for fixed oxygen feed channel and nitrogen pipeline.Specifically, pipeline clamping plate are provided with pipeline clip slot, oxygen channel and nitrogen pipeline are embedded respectively in the pipeline clip slot of support 101 both sides.
The form that arranges of pipeline clip slot has a lot, in the present embodiment, pipeline clamping plate comprise the first pipeline clamping plate 130 and second pipe clamping plate 131, first pipeline clamping plate 130 are connected on support 101, be provided with draw-in groove in first pipeline clamping plate 130, second pipe clamping plate 131 are slidably arranged in draw-in groove.
The middle part of draw-in groove is provided with plate washer 132, and the middle part of second pipe clamping plate 131 is provided with the opening corresponding with plate washer 132, and the both sides of opening are provided with dividing plate 133.First pipeline clamping plate 130 and second pipe clamping plate 131 are separated to form pipeline clip slot by the dividing plate 133 of baffle plate and opening both sides respectively.Pipeline clamping plate being arranged to drawing and pulling type structure, like this when not using, second pipe clamping plate 131 can being collapsed in the draw-in groove of the first pipeline clamping plate 130, save the space taken.When drawing in, plate washer 132 embeds in opening.
First pipeline clamping plate 130 and second pipe clamping plate 131 can certainly be arranged all-in-one-piece structure, also can realize the function of pipeline clip slot.
First pipeline clamping plate 130 are provided with away from one end of support 101 and second pipe clamping plate 131 snap close cooperatively interacted near one end of support 101.
The effect of snap close is in use, when second pipe clamping plate 131 slide into the end of the first pipeline clamping plate 130, being formed relative fixing by second pipe clamping plate 131 with the first pipeline clamping plate 130, be unlikely in use, there is the situation of sliding in second pipe clamping plate 131.
In the present embodiment, snap close comprises pilot hole 137 and resilient latching member, pilot hole 137 is arranged on the edge of draw-in groove, resilient latching member is arranged on second pipe clamping plate 131, resilient latching member comprises locking bar 134 and spring 138, locking bar 134 linking springs 138, second pipe clamping plate 131 are provided with fixed orifice 136, fixed orifice 136 and pilot hole 137 are arranged in opposite directions, spring 138 one end is fastened in fixed orifice 136, the other end connects locking bar 134, and locking bar 134 can slide along fixed orifice 136 and stretch in pilot hole 137.
Locking bar 134 is connected with handle 135, handle 135 to be arranged in chute and to stretch out chute.
Buckle structure is work like this: when the first pipeline clamping plate 130 and second pipe clamping plate 131 are in rounding state, locking bar 134 is pressed in fixed orifice 136, now spring 138 is compressed, when outwards extracting second pipe clamping plate 131 out, second pipe clamping plate 131 move to pilot hole 137 corresponding with fixed orifice 136 position time, locking bar 134 enters in pilot hole 137 under the elastic force effect of spring 138, realizes the fixing of the first pipeline clamping plate 130 and second pipe clamping plate 131.When needing to draw second pipe clamping plate 131 in, manually pull handle 135, locking bar 134 is deviate from from pilot hole 137.
The oxygen index tester that the present embodiment provides can be suspended on metope to be tested, be more suitable for various environment for use, and the stable of oxygen index tester can be ensured, oxygen channel and nitrogen pipeline are disposed in the pipeline clip slot of support 101 both sides, avoid the phenomenons such as bending winding occur, ensure that the precision of test.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an oxygen index tester, it is characterized in that, comprise tester body and suspension holdfast, described tester body comprises shell, test module, oxygen channel and nitrogen pipeline, described test module is arranged in described shell, and described oxygen channel passes described shell respectively with described nitrogen pipeline and is communicated with described test module;
Described suspension holdfast comprises support, sucker and connecting rod, described support xsect is arc, described carriage center is provided with shoulder hole, described connecting rod is arranged in described shoulder hole, one end of described connecting rod is stretched out support and is provided with gland, and the other end stretches out described through hole and connects described sucker, and the step of described shoulder hole is provided with spring, the two ends of described spring prop up described shoulder hole and described gland respectively, and described sucker is positioned at the inner side of described support;
Described support is provided with junction button, and the top of described shell is provided with fastener, and described fastener is fastened on described junction button, and described support is connected with holder, and described holder is for supporting the bottom of described shell.
2. oxygen index tester according to claim 1, it is characterized in that, the both sides of described support are all connected with pipeline clamping plate, and described pipeline clamping plate are provided with pipeline clip slot, and described oxygen channel and described nitrogen pipeline are embedded respectively in the described pipeline clip slot of described support both sides.
3. oxygen index tester according to claim 2, it is characterized in that, described pipeline clamping plate comprise the first pipeline clamping plate and second pipe clamping plate, described first pipeline clamping plate are connected on described support, be provided with draw-in groove in described first pipeline clamping plate, described second pipe clamping plate are slidably arranged in described draw-in groove;
The middle part of described draw-in groove is provided with plate washer, and the middle part of described second pipe clamping plate is provided with the opening corresponding with described plate washer, and the both sides of described opening are provided with dividing plate.
4. oxygen index tester according to claim 3, is characterized in that, described first pipeline clamping plate are provided with away from one end of described support and described second pipe clamping plate the snap close cooperatively interacted near one end of described support.
5. oxygen index tester according to claim 4, it is characterized in that, described snap close comprises pilot hole and resilient latching member, described pilot hole is arranged on the edge of described draw-in groove, described resilient latching member is arranged on described second pipe clamping plate, described resilient latching member comprises locking bar and spring, described locking bar connects described spring, described second pipe clamping plate are provided with fixed orifice, described fixed orifice and described pilot hole are arranged in opposite directions, described spring one end is fastened in described fixed orifice, the other end connects described locking bar, described locking bar can slide along described fixed orifice and stretch in described pilot hole,
Described locking bar is connected with handle, and described handle to be arranged in described chute and to stretch out described chute.
6. oxygen index tester according to claim 1, is characterized in that, the lateral cross section of described fastener is in " work " font, and described junction button is provided with suspension groove, the upper end open of described suspension groove, lower end closed, described fastener is fastened in described suspension groove.
7. oxygen index tester according to claim 6, is characterized in that, described junction button and described fastener are two, and two described junction buttons are symmetricly set on the two ends of described gland.
8. oxygen index tester according to claim 6, is characterized in that, described shell props up described gland near the side of described support.
9. oxygen index tester according to claim 1, it is characterized in that, described holder comprises thread barrel and supporting seat, described thread barrel connects on the bracket, the inwall of described thread barrel is provided with internal thread, and described supporting seat comprises support bar and cushion, and the outer wall of described support bar is provided with the external thread with described screw-internal thread fit, the threaded one end of described support bar is connected in described thread barrel, and the other end is fixedly connected with described cushion.
10. oxygen index tester according to claim 9, is characterized in that, described supporting seat is two, and two supporting seats are separately positioned on the two ends of described thread barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022491.0A CN105467065B (en) | 2015-12-30 | 2015-12-30 | A kind of oxygen index (OI) tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022491.0A CN105467065B (en) | 2015-12-30 | 2015-12-30 | A kind of oxygen index (OI) tester |
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| Publication Number | Publication Date |
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| CN105467065A true CN105467065A (en) | 2016-04-06 |
| CN105467065B CN105467065B (en) | 2017-08-15 |
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| CN201511022491.0A Active CN105467065B (en) | 2015-12-30 | 2015-12-30 | A kind of oxygen index (OI) tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339936A (en) * | 2017-07-04 | 2017-11-10 | 宁波鸿坤电器有限公司 | A kind of field laser alignment mark device |
| CN108515458A (en) * | 2018-04-17 | 2018-09-11 | 重庆科技学院 | A kind of Electronic Speculum observation metal grinding clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107339936A (en) * | 2017-07-04 | 2017-11-10 | 宁波鸿坤电器有限公司 | A kind of field laser alignment mark device |
| CN108515458A (en) * | 2018-04-17 | 2018-09-11 | 重庆科技学院 | A kind of Electronic Speculum observation metal grinding clamp |
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|---|---|
| CN105467065B (en) | 2017-08-15 |
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Effective date of registration: 20201112 Address after: 226543 No.2 Taoli Road, Xiayuan Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Advance environmental protection technology Nantong Co., Ltd Address before: 400000, Baisha Industrial Park, Jiangjin District, Chongqing, D-13-3 Patentee before: CHONGQING JINGBANG POLYMER MATERIALS Co.,Ltd. |