Sample introduction structure for measuring carbon and sulfur

By designing a sample injection structure for carbon sulfur determination, the problems of falling and crucible cover slipping when manually moving the crucible is solved, and the safe and reliable movement of the crucible and labor-saving process of the detection process are achieved.

CN222439232UActive Publication Date: 2025-02-07西安汉唐分析检测有限公司
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Patent Information

Application Number
CN202420943216.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-02-07
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

During the detection process of the existing infrared carbon sulfur analysis system, the crucible can easily fall when manually moving the crucible, and the crucible cover can easily slide off when tilted.

Method used

A sample injection structure for carbon sulfur determination is designed, including the first clamp body, the second clamp body and the movable rivet, the clamping member is arc-surfaced, equipped with elastic members and thermally insulated and anti-slip layer to ensure that the crucible is It is firmly clamped and limited during movement.

Benefits of technology

It effectively prevents the fall of the crucible and the slip of the crucible cover, ensures the safety and reliability of the detection process, and reduces the labor intensity of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sample introduction structure for measuring carbon and sulfur, relates to the field of detection devices, and particularly discloses that a first protection part comprises a cambered first clamping part and a first extension part vertically connected to one end of the first clamping part, and one end, close to the first extension part, of the first clamping part is inclined outwards; the second protection part comprises a cambered second clamping part and a second extension part vertically connected to one end of the cambered second clamping part, the end, close to the second extension part, of the second clamping part inclines outwards, the cambered opening sides of the first clamping part and the second clamping part are oppositely arranged, and the first extension part and the second extension part are oppositely arranged; the elastic piece in the stretching state is fixedly connected between the first clamp body and the second clamp body, the first clamping part and the second clamping part can be always kept in the closed state, in addition, the first clamping part and the second clamping part are cambered surfaces, so that containers such as a crucible and the like can be clamped more firmly, and the service life of the crucible is prolonged. And the crucible cover can be limited by the first extension part and the second extension part, so that the crucible cover is prevented from sliding and falling off.
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Description

Technical Field

[0001] The utility model relates to the field of detection devices, in particular to a sample introduction structure for carbon and sulfur determination. Background Art

[0002] The high-frequency infrared carbon and sulfur analyzer uses a high-frequency induction furnace with an infrared carbon and sulfur analysis system to quickly and accurately detect the carbon and sulfur content in a sample.

[0003] The existing infrared carbon-sulfur analysis system requires that the weighed sample to be tested and the co-solvent be placed in a crucible before testing. During testing, the crucible is manually placed into the infrared carbon-sulfur analysis system using crucible tongs. After the test is completed, the infrared carbon-sulfur analysis system automatically withdraws the crucible from the high-frequency induction furnace, manually removes the tested crucible, and manually places the crucible containing the new sample into the infrared carbon-sulfur analysis system to start testing the next sample to be tested.

[0004] When manually moving the crucible with crucible tongs, there is a risk of the crucible falling due to accidental inattention and lack of force on the hands. On the other hand, during the movement, when the crucible is tilted, the crucible cover is easy to slide off the crucible and fall off. Utility Model Content

[0005] The utility model provides a sample introduction structure for carbon and sulfur determination, which solves the problem that the crucible falls when the crucible is moved manually with crucible tongs, and the crucible cover easily slides and falls from the crucible when the crucible is tilted.

[0006] The utility model adopts the following technical scheme for a sample introduction structure used for carbon and sulfur determination: the sample introduction structure comprises: a first clamp body, a second clamp body and a rivet movably connecting the first clamp body and the second clamp body;

[0007] The first pliers body comprises a first pliers head at the front, a first pliers handle at the rear, and a first connecting portion located between the first pliers head and the first pliers handle; a first protective portion is fixedly connected to the front end of the first pliers head; the first protective portion comprises a first clamping portion with an arc surface and a first extending portion vertically connected to one end of the first clamping portion; an end of the first clamping portion close to the first extending portion is inclined outward;

[0008] The second pliers body comprises a second pliers head at the front, a second pliers handle at the rear, and a second connecting portion located between the second pliers head and the second pliers handle; a second protective portion is fixedly connected to the front end of the second pliers head; the second protective portion comprises a second clamping portion with an arc surface and a second extending portion vertically connected to one end of the second clamping portion; an end of the second clamping portion close to the second extending portion is inclined outward;

[0009] The arc-shaped opening sides of the first clamping portion and the second clamping portion are arranged facing each other; the first extending portion and the second extending portion are arranged facing each other, and the first extending portion and the second extending portion are located in the same plane;

[0010] The rivet passes through the first connecting part and the second connecting part to hinge the first caliper body and the second caliper body;

[0011] An elastic member in a stretched state is fixedly connected between the first clamp body and the second clamp body.

[0012] Preferably, there is a gap between the first extending portion and the second extending portion.

[0013] Preferably, the cross section of the first clamping portion is in the shape of an arc; the cross section of the second clamping portion is in the shape of an arc.

[0014] Preferably, the inner side wall of the first clamping portion is provided with an integrally formed convex point; the inner side wall of the second clamping portion is provided with an integrally formed convex point.

[0015] Preferably, the elastic member is a spring or a high temperature resistant rubber band.

[0016] Preferably, the elastic member is fixedly connected between the first clamp head and the second clamp head.

[0017] Preferably, the elastic member is fixedly connected between the first clamp handle and the second clamp handle.

[0018] Preferably, the first pliers head and the first pliers handle are both wrapped with a heat-insulating and anti-slip layer on the outside; the second pliers head and the second pliers handle are both wrapped with a heat-insulating and anti-slip layer on the outside.

[0019] Preferably, the heat-insulating and anti-slip layer is a high-temperature-resistant rubber sheet.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. In the utility model, the first clamping part and the second clamping part arranged opposite to each other are both arc-shaped, and the arc-shaped design is conducive to firmly clamping containers such as crucibles. At the same time, when one end of the first extension part and the second extension part is facing upward, the upper ends of the first clamping part and the second clamping part are inclined outward, and the clamping space formed by the first clamping part and the second clamping part is larger at the top and smaller at the bottom. In this state, the sample introduction structure not only relies on friction to overcome the gravity of the crucible, but also relies on the structure to limit the crucible, thereby overcoming the gravity of the crucible, which is safer and more reliable.

[0022] 2. In the utility model, when one end of the first extension part and the second extension part are facing upward, in the process of clamping a container such as a crucible, the first extension part and the second extension part can play a good limiting role on the crucible cover, thereby preventing the crucible cover from sliding off the crucible due to the tilt of the crucible during movement.

[0023] 3. In the utility model, an elastic member is fixedly connected between the first clamp body and the second clamp body, and the elastic member always maintains a stretched state, that is, the first clamping part and the second clamping part always maintain a state of inclination to close. Therefore, when the first clamping part and the second clamping part clamp a container such as a crucible, when both hands apply a slight force inward at the same time or no force is applied, the sample introduction structure can clamp the crucible and move the crucible under the condition that the elastic member overcomes the stretching force, which is labor-saving, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is a schematic diagram of the structure of Example 1 of the utility model;

[0026] Figure 2 This is a schematic structural diagram of Example 2 of the utility model.

[0027] Description of Reference Numerals

[0028] 1. first clamp body; 11. first clamp head; 12. first clamp handle; 13. first connecting portion; 14. first protective portion; 141. first clamping portion; 142. first extending portion;

[0029] 2. second clamp body; 21. second clamp head; 22. second clamp handle; 23. second connecting portion; 24. second protective portion; 241. second clamping portion; 242. second extending portion;

[0030] 3. Rivets; 4. Elastic parts. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1 of a sample introduction structure for carbon and sulfur determination of the utility model, as shown in Figure 1 As shown, the sample introduction structure comprises: a first clamp body 1, a second clamp body 2, and a rivet 3 movably connecting the first clamp body 1 and the second clamp body 2;

[0033] The first pliers body 1 comprises a first pliers head 11 at the front, a first pliers handle 12 at the rear, and a first connecting portion 13 located between the first pliers head 11 and the first pliers handle 12; a first protective portion 14 is fixedly connected to the front end of the first pliers head 11; the first protective portion 14 comprises a first clamping portion 141 with an arc surface and a first extending portion 142 vertically connected to one end of the first clamping portion 141; one end of the first clamping portion 141 close to the first extending portion 142 is inclined outwards;

[0034] The second pliers body 2 comprises a second pliers head 21 at the front, a second pliers handle 22 at the rear, and a second connecting portion 23 located between the second pliers head 21 and the second pliers handle 22; a second protective portion 24 is fixedly connected to the front end of the second pliers head 21; the second protective portion 24 comprises a second clamping portion 241 with an arc surface and a second extending portion 242 vertically connected to one end of the second clamping portion 241; one end of the second clamping portion 241 close to the second extending portion 242 is inclined outwards;

[0035] The arc-shaped opening sides of the first clamping portion 141 and the second clamping portion 241 are close to each other; the first extending portion 142 and the second extending portion 242 are arranged facing each other, and the first extending portion 142 and the second extending portion 242 are located in the same plane;

[0036] The rivet 3 passes through the first connecting portion 13 and the second connecting portion 23 to hinge the first caliper body 1 and the second caliper body 2;

[0037] An elastic member 4 in a stretched state is fixedly connected between the first caliper body 1 and the second caliper body 2 .

[0038] In this embodiment, it should be noted that when the elastic body 4 is not under stress, its length is much smaller than the diameter of other containers such as crucibles. Therefore, during use, the sample introduction structure can ensure that the elastic body 4 is always in a stretched state and there is always a reaction force to overcome the stretching.

[0039] In the present embodiment, it should be noted that the first clamp body 1 and the second clamp body 2 are symmetrically arranged and intersect at the rivet 3; the first clamp head 11 and the second clamp head 21 can be opened or closed, and when the sample injection structure is not subjected to external force, under the action of the elastic member 4, the first clamp head 11 and the second clamp head 21 are in a normally closed state.

[0040] In this embodiment, it should be noted that the first connecting portion 13 and the second connecting portion 23 are provided with the same through hole, and the rivet 3 passes through the two through holes to connect the first caliper body 1 and the second caliper body 2 together.

[0041] When the present embodiment is actually used, an individual holds the first clamp handle 12 and the second clamp handle 22 and applies force outwards at the same time to move the first clamp handle 12 away from the second clamp handle 22. At this time, the first clamp head 11 and the second clamp head 21 are opened, and the first protective portion 14 and the second protective portion 24 clamp the crucible. The elastic member 4 is always in a stretched state. Therefore, when an individual applies a slight force inwards with both hands or does not apply any force at the same time, the sample introduction structure can clamp the crucible and move the crucible under the condition that the elastic member 4 overcomes the stretching force, which is labor-saving, safe and reliable.

[0042] When this embodiment is actually used, it needs to be further explained that the sample introduction structure can be used for moving the crucible, and can also be used for moving other containers.

[0043] In this embodiment, it should be noted that the end of the first clamping portion 141 close to the first extending portion 142 is inclined outward at an angle of 2° to 10°; the end of the second clamping portion 241 close to the second extending portion 242 is inclined outward at an angle of 2° to 10°.

[0044] In this embodiment, it should be noted that, under the joint action of the first extension portion 142 and the second extension portion 242 , the crucible cover can be prevented from falling off the crucible.

[0045] When this embodiment is actually used, one end of the first extension portion 142 and the second extension portion 242 is facing upward to limit the crucible cover. At this time, the upper ends of the first clamping portion 141 and the second clamping portion 241 are inclined outward, and the clamping space formed by the first clamping portion 141 and the second clamping portion 241 is larger at the top and smaller at the bottom. In this state, the sample introduction structure not only relies on friction to overcome the gravity of the crucible, but also relies on the structure to limit the crucible, thereby overcoming the gravity of the crucible, which is safer and more reliable.

[0046] In this embodiment, there is a gap between the first extending portion 142 and the second extending portion 242 .

[0047] In this embodiment, it should be noted that there is a gap between the first extending portion 142 and the second extending portion 242 for avoiding the cover handle.

[0048] In this embodiment, the cross section of the first clamping portion 141 is in an arc shape; the cross section of the second clamping portion 241 is in an arc shape.

[0049] In the present embodiment, it should be noted that, under the condition that the cross-section of the first clamping portion 141 is in the shape of an arc and the cross-section of the second clamping portion 241 is in the shape of an arc, the first clamping portion 141 and the second clamping portion 241 are both in the shape of an incomplete cylindrical surface. This structural shape fits the outer surface of the crucible more closely, has a larger contact area, has a greater friction force to overcome the gravity of the crucible, and is safer and more reliable in use.

[0050] In this embodiment, the inner side wall of the first clamping portion 141 is provided with an integrally formed protrusion; the inner side wall of the second clamping portion 241 is provided with an integrally formed protrusion.

[0051] In this embodiment, it should be noted that the protrusions can increase the friction of the contact surface.

[0052] In this embodiment, the elastic member 4 is a spring or a high temperature resistant rubber band.

[0053] In this embodiment, the elastic member 4 is fixedly connected between the first clamp head 11 and the second clamp head 21 .

[0054] In this embodiment, the first clamp head 11 and the first clamp handle 12 are both wrapped with a heat-insulating and anti-slip layer; the second clamp head 21 and the second clamp handle 22 are both wrapped with a heat-insulating and anti-slip layer.

[0055] In this embodiment, the heat-insulating and anti-slip layer is a high-temperature resistant rubber sheet.

[0056] Embodiment 2 of a sample introduction structure for carbon and sulfur determination of the utility model, as shown in Figure 2 As shown, different from the first embodiment, the elastic member 4 is fixedly connected between the first clamp handle 12 and the second clamp handle 22 .

[0057] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sample injection structure for carbon and sulfur determination, characterized in that: It comprises a first pliers body (1), a second pliers body (2), and a rivet (3) movably connecting the first pliers body (1) and the second pliers body (2); The first pliers body (1) comprises a first pliers head (11) at the front, a first pliers handle (12) at the rear, and a first connecting portion (13) located between the first pliers head (11) and the first pliers handle (12); a first protective portion (14) is fixedly connected to the front end of the first pliers head (11); the first protective portion (14) comprises a first clamping portion (141) in the form of an arc surface and a first extending portion (142) vertically connected to one end of the first clamping portion (141); one end of the first clamping portion (141) close to the first extending portion (142) is inclined outwards; The second pliers body (2) comprises a second pliers head (21) at the front, a second pliers handle (22) at the rear, and a second connecting portion (23) located between the second pliers head (21) and the second pliers handle (22); the front end of the second pliers head (21) is fixedly connected to a second protective portion (24); the second protective portion (24) comprises a second clamping portion (241) in the form of an arc surface and a second extending portion (242) vertically connected to one end of the second clamping portion (241); one end of the second clamping portion (241) close to the second extending portion (242) is inclined outwards; The arc-shaped opening sides of the first clamping portion (141) and the second clamping portion (241) are arranged facing each other; the first extending portion (142) and the second extending portion (242) are arranged facing each other, and the first extending portion (142) and the second extending portion (242) are located in the same plane; The rivet (3) passes through the first connecting portion (13) and the second connecting portion (23) to hinge the first caliper body (1) and the second caliper body (2); An elastic member (4) in a stretched state is fixedly connected between the first pliers body (1) and the second pliers body (2).

2. A sample injection structure for carbon and sulfur determination according to claim 1, characterized in that: There is a gap between the first extension portion (142) and the second extension portion (242).

3. A sample injection structure for carbon and sulfur determination according to claim 1, characterized in that: The cross section of the first clamping portion (141) is in the shape of an arc; the cross section of the second clamping portion (241) is in the shape of an arc.

4. A sample injection structure for carbon and sulfur determination according to claim 1, characterized in that: The inner side wall of the first clamping portion (141) is provided with an integrally formed convex point; the inner side wall of the second clamping portion (241) is provided with an integrally formed convex point.

5. The sample injection structure for carbon and sulfur determination according to claim 1, characterized in that: The elastic member (4) is a spring or a high temperature resistant rubber band.

6. The sample injection structure for carbon and sulfur determination according to claim 1, characterized in that: The elastic member (4) is fixedly connected between the first clamp head (11) and the second clamp head (21).

7. The sample injection structure for carbon and sulfur determination according to claim 1, characterized in that: The elastic member (4) is fixedly connected between the first clamp handle (12) and the second clamp handle (22).

8. The sample injection structure for carbon and sulfur determination according to claim 1, characterized in that: The first pliers head (11) and the first pliers handle (12) are both wrapped with a heat-insulating and anti-slip layer on the outside; and the second pliers head (21) and the second pliers handle (22) are both wrapped with a heat-insulating and anti-slip layer on the outside.

9. A sample injection structure for carbon and sulfur determination according to claim 8, characterized in that: The heat-insulating and anti-skid layer is a high-temperature-resistant rubber sheet.