Digital display type oxygen index tester

By designing a reciprocating screw to drive the rotation of the rotating column and the limiting rod, combined with the vibration of the metal arc block and the impact of the top contact rod, the problem of incomplete combustion in the digital oxygen index meter was solved, thereby improving the accuracy of the data and effectively removing fly ash.

CN224035350UActive Publication Date: 2026-03-24NANJING SHANGYUAN ANALYTICAL INSTR
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing digital oxygen index meters, the clamped part cannot burn completely during the test, resulting in inaccurate measurement data.

Method used

The reciprocating screw drives the rotating column and limit rod to rotate, and combined with the vibration of the metal arc block and the periodic impact of the top contact rod, the material is fully burned and the ash is effectively shaken off. The design of the hollow storage plate improves the accuracy of combustion.

Benefits of technology

This ensures the accuracy of fabric combustion data, improves overall practicality, and avoids air pollution from fly ash.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224035350U_ABST
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Abstract

The utility model relates to the technical field of testers, and discloses a digital display type oxygen index tester which comprises a base, a measuring oxygen supply component is arranged on the outer wall of the base, a mounting seat is arranged on the outer wall of the base, a quartz glass test tube is detachably mounted on the outer wall of the mounting seat, and the quartz glass test tube is arranged on the outer wall of the mounting seat. After a fabric is ignited, a filter can be installed, a motor is started to drive a reciprocating lead screw to rotate, oxygen and nitrogen mixed gas can be discharged through an oxygen supply pipe when materials are combusted, and a hollow storage plate and a limiting rod can be driven to rotate when the reciprocating lead screw rotates; the limiting rods can mix gas during displacement so as to facilitate combustion of materials, the limiting rods can be periodically rubbed by metal arc blocks on the fixing plates after displacement, then material ash attached to the surfaces of the limiting rods can be shaken off through vibration, and combustion of follow-up fabric is facilitated; and the accuracy of the combustion data of the material to be measured is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tester, concretely to a digital display oxygen index tester. BACKGROUND

[0002] The digital display oxygen index tester is used for measuring the combustion performance of various textiles including woven, knitted and non-woven fabrics, and can also be used for measuring the combustion performance of plastics, rubbers and papers.

[0003] According to a digital display oxygen index tester (publication number: CN221572452U) disclosed in the prior art, the filter provided in the above-mentioned application can filter and store the flying ash generated during the measurement of the measured object, thereby avoiding the pollution of the air caused by the scattering of the flying ash. Moreover, the fixed clamp provided in the application can be used to fix the measured object without the need for additional fixing tools, which is convenient.

[0004] However, the above-mentioned device can avoid the pollution of the air caused by the scattering of the flying ash and can fix the measured object by clamping, but the clamped part cannot be fully burned during the test combustion, thereby causing the problem of inaccurate measurement of the combustion data of the measured object. In view of this, the present application provides a digital display oxygen index tester. SUMMARY

[0005] The utility model discloses a digital display oxygen index tester, which can solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a digital display oxygen index tester, comprising a base, an oxygen supply assembly is arranged on the outer wall of the base, a mounting seat is arranged on the outer wall of the base, a quartz glass test tube can be mounted and detached on the outer wall of the mounting seat, a filter is detachably mounted on the outer wall of the quartz glass test tube, a combustion assembly is arranged on the outer wall of the base, the combustion assembly comprises a motor, the motor is fixedly connected to the outer wall of the base, a reciprocating screw rod is fixedly connected to the output end of the motor, a rotating column is rotatably installed on the inner wall of the mounting seat, and a hollow storage plate is fixedly connected to the top end of the rotating column.

[0007] A limiting rod is fixedly connected to the outer wall of the hollow storage plate, a fixed plate is fixedly connected to the inner wall of the mounting seat, a metal arc block is fixedly connected to the outer wall of the fixed plate, and an external waste discharge port is arranged on the outer wall of the mounting seat.

[0008] Preferably, the end of the reciprocating wire rod is fixedly connected to the outer wall of the rotating column, so that the reciprocating wire rod can drive the rotating column to rotate when rotating.

[0009] Preferably, the center line of the reciprocating wire rod is in line with the center line of the rotating column, so that the rotating column can stably displace.

[0010] Preferably, the number of the limiting rods is several, and the several limiting rods are arranged in a circumferential array on the outer wall of the hollow storage plate.

[0011] Preferably, the outer wall of the reciprocating wire rod is provided with a chip falling assembly, the chip falling assembly comprises a sliding block, the sliding block is slidingly connected to the outer wall of the reciprocating wire rod, the outer wall of the sliding block is fixedly connected with a top touch rod, and the bottom end of the mounting seat is fixedly connected with a limiting plate.

[0012] Preferably, the outer wall of the limiting plate is matched with the outer wall of the sliding block.

[0013] Preferably, the center line of the top touch rod is in the same plane as the center line of the sliding block.

[0014] Compared with the prior art, the utility model provides a digital display type oxygen index tester, has the following beneficial effects:

[0015] 1. The digital display type oxygen index tester, after the fabric is ignited, the filter can be installed and the motor is started to drive the reciprocating wire rod to rotate, the oxygen-nitrogen mixed gas is discharged through the oxygen supply pipe when the material is burning, so that the material can be effectively burned, and the hollow storage plate and the limiting rod are rotated when the reciprocating wire rod rotates, so that the limiting rod can mix the gas in displacement to facilitate the burning of the material, and the material ash attached to the surface of the limiting rod is shaken off by the metal arc block on the fixed plate after the displacement of the limiting rod, so that the subsequent fabric can be burned, and the accuracy of the required measured material burning data is ensured.

[0016] 2. The digital display type oxygen index tester, when the reciprocating wire rod rotates, the limited sliding block drives the top touch rod to displace, so that the top touch rod can periodically knock the hollow storage plate, and the material ash on the hollow storage plate can further fall off through the periodic knocking vibration, so that the subsequent material can be effectively burned, and the practicability of the whole is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a motor and mounting seat structure schematic view of the utility model;

[0019] Figure 3 It is the external waste outlet structure schematic view of the utility model;

[0020] Figure 4 It is the fixed plate and hollow storage plate structure schematic view of the utility model;

[0021] Figure 5 It is the top touch rod structure schematic view of the utility model.

[0022] In the figure: 1, base; 2, measured oxygen supply assembly; 3, mounting seat; 4, quartz glass test tube; 5, filter; 6, combustion assembly; 601, motor; 602, reciprocating screw rod; 603, rotating column; 604, hollow storage plate; 605, limiting rod; 606, fixed plate; 607, metal arc block; 608, external waste outlet; 7, chip falling assembly; 701, sliding block; 702, top touch rod; 703, limiting plate. DETAILED DESCRIPTION

[0023] As Figures 1-5 shown, the utility model provides a technical scheme: a digital display type oxygen index tester, including base 1, the outer wall of base 1 is provided with measured oxygen supply assembly 2, the outer wall of base 1 is provided with mounting seat 3, the outer wall of mounting seat 3 can be installed with quartz glass test tube 4, quartz glass test tube 4's outer wall can be detachably installed with filter 5, the outer wall of base 1 is provided with combustion assembly 6, and combustion assembly 6 includes motor 601, and motor 601 is fixedly connected on the outer wall of base 1, and the output end of motor 601 is fixedly connected with reciprocating screw rod 602, and the inner wall of mounting seat 3 is rotatably installed with rotating column 603, and the top end of rotating column 603 is fixedly connected with hollow storage plate 604.

[0024] Further, limiting rod 605 is fixedly connected on the outer wall of hollow storage plate 604, the inner wall of mounting seat 3 is fixedly connected with fixed plate 606, the outer wall of fixed plate 606 is fixedly connected with metal arc block 607, and the outer wall of mounting seat 3 is provided with external waste outlet 608.

[0025] In the embodiment of the utility model, the end of reciprocating screw rod 602 is fixedly connected on the outer wall of rotating column 603, so that reciprocating screw rod 602 can drive rotating column 603 to rotate when rotating, and the center line of reciprocating screw rod 602 and the center line of rotating column 603 are on the same straight line, so that rotating column 603 can stably displace, and the setting number of limiting rod 605 is several, and the several limiting rods 605 are arranged on the outer wall of hollow storage plate 604 in circumferential array.

[0026] And, the outer wall of the reciprocating screw rod 602 is provided with a falling chip assembly 7, the falling chip assembly 7 includes a sliding block 701, the sliding block 701 is slidably connected on the outer wall of the reciprocating screw rod 602, the outer wall of the sliding block 701 is fixedly connected with a top touch rod 702, the bottom end of the mounting seat 3 is fixedly connected with a limiting plate 703, the outer wall of the limiting plate 703 is matched with the outer wall of the sliding block 701, and the center line of the top touch rod 702 and the center line of the sliding block 701 are in the same plane.

[0027] In the utility model, when using in daily life, the material to be measured can be put into the limiting rod 605 in the circumferential array, then the quartz glass test tube 4 can be inserted into the mounting seat 3 for installation, and the measuring oxygen supply assembly 2 is started, after the fabric is ignited, the filter 5 is installed and the motor 601 drives the reciprocating screw rod 602 to rotate, the oxygen-nitrogen mixed gas is discharged through the oxygen supply pipe when the material is burning, so that the material can be effectively burned, and the hollow storage plate 604 and the limiting rod 605 are rotated when the reciprocating screw rod 602 rotates, so that the limiting rod 605 can mix the gas in displacement to facilitate the burning of the material, and after the displacement of the limiting rod 605, the metal arc block 607 on the fixed plate 606 is rubbed periodically, so that the material ash attached to the surface of the limiting rod 605 is shaken off, facilitating the subsequent combustion of the fabric, and ensuring the accuracy of the measured material combustion data.

[0028] When the reciprocating screw rod 602 rotates, the limited sliding block 701 drives the top touch rod 702 to displace, so that the top touch rod 702 can periodically knock the hollow storage plate 604, and the material ash on the hollow storage plate 604 can further fall off through the periodic knocking vibration, facilitating the subsequent effective combustion of the material, and further improving the practicability of the whole.

[0029] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A digital oxygen index analyzer, comprising a base (1), wherein an oxygen supply component (2) is disposed on the outer wall of the base (1), a mounting base (3) is disposed on the outer wall of the base (1), a quartz glass test tube (4) is detachably mounted on the outer wall of the mounting base (3), and a filter (5) is detachably mounted on the outer wall of the quartz glass test tube (4), characterized in that: The outer wall of the base (1) is provided with a combustion assembly (6), the combustion assembly (6) comprising: The motor (601) is fixedly connected to the outer wall of the base (1). The output end of the motor (601) is fixedly connected to a reciprocating lead screw (602). A rotating column (603) is rotatably installed on the inner wall of the mounting base (3). A hollow storage plate (604) is fixedly connected to the top of the rotating column (603). A limiting rod (605) is fixedly connected to the outer wall of the hollow storage plate (604). A fixing plate (606) is fixedly connected to the inner wall of the mounting base (3). A metal arc block (607) is fixedly connected to the outer wall of the fixing plate (606). An external waste discharge port (608) is provided on the outer wall of the mounting base (3).

2. The digital oxygen index analyzer according to claim 1, characterized in that: The end of the reciprocating lead screw (602) is fixedly connected to the outer wall of the rotating column (603).

3. The digital oxygen index analyzer according to claim 1, characterized in that: The centerline of the reciprocating lead screw (602) and the centerline of the rotating column (603) are on the same straight line.

4. The digital oxygen index analyzer according to claim 1, characterized in that: The number of the limiting rods (605) is several, and the several limiting rods (605) are arranged in a circular array on the outer wall of the hollow storage plate (604).

5. A digital oxygen index analyzer according to claim 1, characterized in that: The outer wall of the reciprocating screw (602) is provided with a chip removal assembly (7), the chip removal assembly (7) includes a slider (701), the slider (701) is slidably connected to the outer wall of the reciprocating screw (602), the outer wall of the slider (701) is fixedly connected with a top contact rod (702), and the bottom end of the mounting base (3) is fixedly connected with a limit plate (703).

6. A digital oxygen index analyzer according to claim 5, characterized in that: The outer wall of the limiting plate (703) is adapted to the outer wall of the slider (701).

7. A digital oxygen index analyzer according to claim 5, characterized in that: The centerline of the top contact rod (702) and the centerline of the slider (701) are both on the same plane.

Citation Information

Patent Citations

  • Digital display oxygen index tester

    CN221572452U