A device for testing the antioxidant performance of a foam

Abstract

The utility model provides a kind of foam antioxidation performance testing device, it is related to foam testing technical field, comprising: inner tank, check valve, outer tank, pressure relief valve, sealing ring, outer sleeve and outer slide sleeve;The inner tank gas inlet portion is threadedly connected with check valve, inner tank is connected with outer tank outside, and the gas outlet portion of outer tank is equipped with pressure relief valve;The sealing ring is installed in the inner tank, the outer sleeve is sleeved on the outer tank, and the outer sleeve is connected with check valve;The outer sleeve is sleeved on the outer tank, and the outer sleeve is connected with outer sleeve.The utility model places foam in inner tank, inserts inner tank into outer tank, seals the insertion site of inner tank and outer tank by sealing ring, high concentration oxygen enters into inner tank by check valve, the air pressure in inner tank increases, makes the original air in inner tank discharge by pressure relief valve, and foam is in high pressure high concentration oxygen environment, realizes antioxidation performance test effect.

Description

Technical Field

[0001] This utility model relates to the field of foam testing technology, and in particular to a foam antioxidant performance testing device. Background Technology

[0002] Foam is a material made by foaming plastic particles. As a lightweight material with elasticity and porous structure, foam is widely used in many fields such as industry, electronics, packaging, construction, and sports equipment. In order to ensure that the produced foam meets the quality requirements, it is necessary to conduct antioxidant performance tests on the foam to ensure its service life.

[0003] Currently, the antioxidant performance testing of foam is usually carried out in a sealed high-pressure container to accurately assess its aging resistance in practical applications. In order to ensure the robustness of the container under high pressure, a large number of bolts are used for connection and fixation. Each time the test foam is stored or retrieved, technicians need to spend a lot of time loosening several bolts one by one, which is inefficient. Utility Model Content

[0004] This utility model relates to a foam antioxidant performance testing device, which solves the problem that existing antioxidant performance testing containers often use a large number of bolts to connect and fix them in order to ensure the container's stability under high pressure. Each time the test foam is stored or retrieved, technicians need to spend a lot of time loosening several bolts one by one, resulting in low operating efficiency.

[0005] In a first aspect, this utility model provides a foam antioxidant performance testing device, specifically comprising: an inner tank, a one-way valve, an outer tank, a pressure relief valve, a sealing ring, an outer rotating sleeve, and an outer sliding sleeve; the one-way valve is threadedly connected to the air inlet of the inner tank, the outer tank is connected to the outside of the inner tank, and a pressure relief valve is installed at the air outlet of the outer tank; a sealing ring is installed inside the outer tank, an outer rotating sleeve is fitted outside the outer tank, and the outer rotating sleeve is connected to the one-way valve; an outer sliding sleeve is fitted outside the outer tank, and the outer sliding sleeve is connected to the outer rotating sleeve.

[0006] Furthermore, the inner can is inserted into the outer can, and the end of the inner can contacts the sealing ring.

[0007] Furthermore, the inner tank is symmetrically provided with connecting blocks on its outer side, and the outer tank is symmetrically provided with guide grooves at its end, with the connecting blocks inserted into the guide grooves.

[0008] Furthermore, the outer rotating sleeve is rotatably connected to the outer can, and fixed blocks are symmetrically arranged on the outer side of the outer can. An arc-shaped hole is provided inside the outer rotating sleeve, and the fixed blocks are slidably connected in the arc-shaped hole.

[0009] Furthermore, the outer rotating sleeve is provided with an L-shaped slot, which is connected to the guide groove, and the end of the connecting block is connected to the L-shaped slot.

[0010] Furthermore, the outer sliding sleeve is slidably connected to the outer can, and guide blocks are symmetrically arranged on the outer side of the outer can. A sliding hole is provided inside the outer sliding sleeve, and the guide blocks are slidably connected in the sliding hole.

[0011] Furthermore, the outer sliding sleeve is provided with a protrusion on its exterior, and the outer rotating sleeve is provided with a groove on its exterior. The protrusion is inserted into the groove, and a spring is fitted on the exterior of the outer can. One end of the spring contacts the outer can, and the other end of the spring contacts the outer sliding sleeve.

[0012] This invention provides a device for testing the antioxidant properties of foam, which has the following advantages: In use, the foam is placed inside the inner tank, which is then inserted into the outer tank. The connection between the inner and outer tanks is sealed by a sealing ring. High-concentration oxygen enters the inner tank through a one-way valve, increasing the air pressure inside the inner tank. This causes the original air inside the inner tank to be discharged through a pressure relief valve, placing the foam in a high-pressure, high-concentration oxygen environment to achieve the desired antioxidant performance test results.

[0013] In addition, during the process of inserting the inner can into the outer can, the L-shaped slot is connected to the guide slot. The guide slot guides the connecting block, causing the connecting block to move to the bending part of the L-shaped slot. By rotating the outer rotating sleeve, the connecting block is moved to the innermost end of the L-shaped slot. The inner can is fixed by the outer rotating sleeve, ensuring the firmness of the connection between the inner and outer cans under high pressure.

[0014] In addition, the guide block and the sliding hole slide together to guide the movement of the outer sliding sleeve; the spring provides elastic reset of the outer sliding sleeve. When the connecting block moves to the innermost end of the L-shaped slot, the outer sliding sleeve is reset under the influence of the spring force, so that the protrusion is inserted into the groove, which locks and fixes the outer rotating sleeve, thereby ensuring the fixation of the outer rotating sleeve to the inner tank. When it is necessary to remove the foam inside the inner can to view the test results, first release the pressure using the pressure relief valve, move the outer sliding sleeve in the opposite direction, the spring contracts, the protrusion separates from the groove, the outer rotating sleeve is unlocked, and rotate the outer rotating sleeve in the opposite direction, the connecting block moves to the L-shaped slot bend, and the inner can and outer can can be separated, and the foam inside the inner can can be removed, making the operation simpler.

[0015] Other advantages, objectives and features of this invention will be apparent in part from the description which follows, and in part from the understanding of those skilled in the art through study and practice of this invention. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0017] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the present invention.

[0018] In the attached diagram: Figure 1 A schematic diagram of the overall axonometric structure of this application is shown; Figure 2 A schematic diagram of the disassembled inner and outer tank structure of this application is shown; Figure 3 This application shows a schematic diagram of the internal cross-sectional structure of the outer tank; Figure 4 A schematic diagram of the disassembled structure of the outer rotating sleeve, outer sliding sleeve, and spring of this application is shown.

[0019] Figure label: 1. Inner tank; 11. Connecting block; 2. One-way valve; 3. Outer tank; 31. Guide groove; 32. Fixed block; 33. Guide block; 4. Pressure relief valve; 5. Sealing ring; 6. Outer rotating sleeve; 61. Arc-shaped hole; 62. L-shaped groove; 63. Groove; 7. Outer sliding sleeve; 71. Sliding hole; 72. Protrusion; 8. Spring. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Example 1: Please refer to Figures 1 to 4 : This utility model proposes a foam antioxidant performance testing device, comprising: an inner tank 1, a one-way valve 2, an outer tank 3, a pressure relief valve 4, a sealing ring 5, an outer rotating sleeve 6, and an outer sliding sleeve 7; the one-way valve 2 is threadedly connected to the air inlet of the inner tank 1, the outer tank 3 is connected to the outside of the inner tank 1, and the pressure relief valve 4 is installed at the air outlet of the outer tank 3; the sealing ring 5 is installed inside the outer tank 3, and the outer rotating sleeve 6 is fitted on the outside of the outer tank 3, and the outer rotating sleeve 6 is connected to the one-way valve 2; the outer sliding sleeve 7 is fitted on the outside of the outer tank 3, and the outer sliding sleeve 7 is connected to the outer rotating sleeve 6; the outer sliding sleeve 7 is slidably connected to the outer tank 3, and guide blocks 33 are symmetrically arranged on the outer side of the outer tank 3; a sliding hole 71 is provided inside the outer sliding sleeve 7, and the guide blocks 33 are slidably connected in the sliding hole 71; the guide blocks 33 and the sliding hole 71 slide in cooperation, which serves to guide the movement of the outer sliding sleeve 7.

[0022] In this embodiment of the utility model, the inner can 1 is inserted into the outer can 3, and the end of the inner can 1 is in contact with the sealing ring 5; Using the above technical solution, the foam is placed in the inner tank 1, and the inner tank 1 is inserted into the outer tank 3. The connection between the inner tank 1 and the outer tank 3 is sealed by the sealing ring 5. High-concentration oxygen enters the inner tank 1 through the one-way valve 2, and the air pressure inside the inner tank 1 increases, causing the original air inside the inner tank 1 to be discharged through the pressure relief valve 4. The foam is in a high-pressure, high-concentration oxygen environment, thus achieving the effect of antioxidant performance testing.

[0023] In this embodiment of the utility model, connecting blocks 11 are symmetrically arranged on the outer side of the inner tank 1, and guide grooves 31 are symmetrically arranged at the end of the outer tank 3. The connecting blocks 11 are inserted into the guide grooves 31. The outer rotating sleeve 6 is rotatably connected to the outer tank 3. Fixed blocks 32 are symmetrically arranged on the outer side of the outer tank 3. An arc-shaped hole 61 is provided inside the outer rotating sleeve 6. The fixed block 32 is slidably connected to the arc-shaped hole 61. An L-shaped slot 62 is provided inside the outer rotating sleeve 6. The L-shaped slot 62 communicates with the guide groove 31. The end of the connecting block 11 is connected to the L-shaped slot 62. During the process of inserting the inner can 1 into the outer can 3, the L-shaped slot 62 is connected to the guide slot 31. The guide slot 31 guides the connecting block 11, causing the connecting block 11 to move to the bent part of the L-shaped slot 62. The outer rotating sleeve 6 is rotated to move the connecting block 11 to the innermost end of the L-shaped slot 62. The inner can 1 is fixed by the outer rotating sleeve 6 to ensure the firmness of the connection between the inner can 1 and the outer can 3 under high pressure.

[0024] In this embodiment of the utility model, a protrusion 72 is provided on the outside of the outer sliding sleeve 7, and a groove 63 is provided on the outside of the outer rotating sleeve 6. The protrusion 72 is inserted into the groove 63. A spring 8 is fitted on the outside of the outer can 3. One end of the spring 8 contacts the outer can 3, and the other end of the spring 8 contacts the outer sliding sleeve 7. The spring 8 provides elastic reset for the outer sliding sleeve 7. When the connecting block 11 moves to the innermost end of the L-shaped groove 62, the outer sliding sleeve 7 is reset under the influence of the spring 8, causing the protrusion 72 to insert into the groove 63, thus locking and fixing the outer rotating sleeve 6 and ensuring the fixation of the outer rotating sleeve 6 to the inner can 1. When it is necessary to remove the foam inside the inner can 1 to view the test results, the pressure relief valve 4 is used to release the pressure first, the outer sliding sleeve 7 is moved in the opposite direction, the spring 8 contracts, the protrusion 72 separates from the groove 63, the outer rotating sleeve 6 is unlocked, and the outer rotating sleeve 6 is rotated in the opposite direction. The connecting block 11 moves to the bent part of the L-shaped groove 62, and the inner can 1 and the outer can 3 can be separated, and the foam inside the inner can 1 can be removed, making the operation simpler.

[0025] The working principle of this embodiment is as follows: First, foam is placed inside the inner can 1, and the inner can 1 is inserted into the outer can 3. The insertion part of the inner can 1 and the outer can 3 is sealed by the sealing ring 5. During the process of inserting the inner can 1 into the outer can 3, the L-shaped groove 62 is connected to the guide groove 31. The guide groove 31 guides the connecting block 11, causing the connecting block 11 to move to the bent part of the L-shaped groove 62. The outer rotating sleeve 6 is rotated to move the connecting block 11 to the innermost end of the L-shaped groove 62, and the inner can 1 is fixed by the outer rotating sleeve 6. When the connecting block 11 moves to the innermost end of the L-shaped groove 62, the outer sliding sleeve 7 is reset under the influence of the spring 8, so that the protrusion 72 is inserted into the groove 63, which locks and fixes the outer rotating sleeve 6. This ensures the outer rotating sleeve 6 secures the inner tank 1. High-concentration oxygen enters the inner tank 1 through the one-way valve 2, increasing the air pressure inside the inner tank 1. This causes the original air inside the inner tank 1 to be discharged through the pressure relief valve 4, placing the foam in a high-pressure, high-concentration oxygen environment to achieve the antioxidant performance test effect. After the test is completed, when it is necessary to remove the foam inside the inner tank 1 to view the test results, the pressure relief valve 4 is used to release the pressure, the outer sliding sleeve 7 is moved in the opposite direction, the spring 8 contracts, the protrusion 72 separates from the groove 63, the outer rotating sleeve 6 is unlocked, and the outer rotating sleeve 6 is rotated in the opposite direction. The connecting block 11 moves to the bent part of the L-shaped slot 62, which allows the inner tank 1 to be separated from the outer tank 3, and the foam inside the inner tank 1 to be removed.

[0026] The following points should be noted in this article: 1. The accompanying drawings of this utility model embodiment only involve the structures involved in this utility model embodiment; other structures can refer to general designs.

[0027] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0028] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A device for testing the antioxidant properties of foam, comprising: The inner tank (1), one-way valve (2), outer tank (3), pressure relief valve (4), sealing ring (5), outer rotating sleeve (6) and outer sliding sleeve (7) are characterized in that the air inlet of the inner tank (1) is threaded with a one-way valve (2), the outer tank (3) is connected to the outside of the inner tank (1), and a pressure relief valve (4) is installed at the air outlet of the outer tank (3); the sealing ring (5) is installed inside the outer tank (3), the outer rotating sleeve (6) is fitted on the outside of the outer tank (3), and the outer rotating sleeve (6) is connected to the one-way valve (2); the outer sliding sleeve (7) is fitted on the outside of the outer tank (3), and the outer sliding sleeve (7) is connected to the outer rotating sleeve (6).

2. The foam antioxidant performance testing device according to claim 1, characterized in that, The inner can (1) is inserted into the outer can (3), and the end of the inner can (1) is in contact with the sealing ring (5).

3. The foam antioxidant performance testing device according to claim 1, characterized in that, The inner tank (1) is symmetrically provided with connecting blocks (11) on the outside, and the outer tank (3) is symmetrically provided with guide grooves (31) at the end, with the connecting blocks (11) inserted into the guide grooves (31).

4. The foam antioxidant performance testing device according to claim 1, characterized in that, The outer rotating sleeve (6) is rotatably connected to the outer can (3). A fixed block (32) is symmetrically arranged on the outer side of the outer can (3). An arc-shaped hole (61) is arranged inside the outer rotating sleeve (6). The fixed block (32) is slidably connected in the arc-shaped hole (61).

5. The foam antioxidant performance testing device according to claim 3, characterized in that, The outer rotating sleeve (6) is provided with an L-shaped slot (62) inside. The L-shaped slot (62) is connected to the guide groove (31), and the end of the connecting block (11) is connected to the L-shaped slot (62).

6. The foam antioxidant performance testing device according to claim 1, characterized in that, The outer sliding sleeve (7) is slidably connected to the outer can (3). Guide blocks (33) are symmetrically arranged on the outer side of the outer can (3). A sliding hole (71) is provided inside the outer sliding sleeve (7). The guide block (33) is slidably connected in the sliding hole (71).

7. The foam antioxidant performance testing device according to claim 1, characterized in that, The outer sliding sleeve (7) is provided with a protrusion (72) on the outside, and the outer rotating sleeve (6) is provided with a groove (63) on the outside. The protrusion (72) is inserted into the groove (63). The outer can (3) is fitted with a spring (8). One end of the spring (8) is in contact with the outer can (3), and the other end of the spring (8) is in contact with the outer sliding sleeve (7).

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