Crucible placing device for muffle furnace

By designing a crucible placement device for a muffle furnace, and utilizing an adjustment mechanism and tension spring to provide uniform pressure, the problem of loose connection between the crucible lid and the crucible was solved, ensuring the safety and accuracy of the experiment and improving experimental efficiency.

CN224051025UActive Publication Date: 2026-03-27ALTAY FOOD & DRUG INSPECTION INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In a muffle furnace, a loose connection between the crucible lid and the crucible can lead to safety hazards and inaccurate experimental results, increasing operational complexity and risk, and affecting experimental efficiency.

Method used

A crucible placement device for a muffle furnace is designed, including a bottom frame and a top frame. The top frame is provided with a crucible and lid placement groove. An adjustment mechanism and a tension spring are used to provide uniform pressure to ensure that the crucible lid is tightly connected to the crucible. An arc-shaped clamp and an auxiliary clamp are used to enhance stability and prevent positional displacement.

Benefits of technology

This effectively avoids the risk of the crucible lid falling off under high temperature conditions, improves the accuracy and safety of experimental results, reduces additional precautions, increases experimental efficiency, and prevents sample contamination or loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of experimental detection, and particularly discloses a muffle furnace crucible placing device which comprises a bottom frame, the top of the bottom frame is detachably connected with a top frame, a plurality of crucible placing grooves are formed in the top of the top frame, a plurality of pot cover placing grooves corresponding to the crucible placing grooves are formed in the top of the top frame, and a plurality of pot cover placing grooves corresponding to the pot cover placing grooves are formed in the top of the top frame. Adjusting mechanisms are arranged on the two sides of the top frame. The adjusting mechanism comprises a round rod, sleeves are connected to the two sides of the outer ring of the round rod in a sleeving mode, a connecting plate is fixedly connected to one side of each sleeve, and a downward pressing mechanism is arranged on one side of each connecting plate. The uniform pressure provided by the extension spring ensures tight connection between the crucible cover and the crucible, the risk that the crucible cover falls off in a high-temperature state is avoided, the stability of the crucible and the crucible cover in the heating process is enhanced through the design of the arc-shaped clamp and the auxiliary clamp, experimental errors caused by position deviation are reduced, and the experimental efficiency is improved. And the accuracy of an experiment result is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to experimental detection technical field, concretely relates to a kind of for muffle furnace crucible placing device. BACKGROUND

[0002] Muffle furnace is a kind of laboratory equipment, mainly used for high-temperature heating material, carries out such as ashing, sintering or heat treatment operation;Crucible is high-temperature-resistant container, used to fill and heat experimental sample under high-temperature environment, commonly used with muffle furnace to realize the safe and efficient processing of sample.

[0003] In order to ensure the stability of crucible in muffle furnace, the crucible needs to be placed with placing device, and the crucible is usually matched with a suitable crucible cover, however, during the process of taking out the crucible after heating, if the connection between the crucible cover and the crucible is not tight enough, the crucible cover under high temperature becomes a potential safety hazard, which not only increases the complexity and risk of operation of experimental personnel, but also may cause pollution or loss of sample, thereby affecting the accuracy of experimental results, for example, due to the fear of safety hazard caused by the falling of crucible cover under high temperature, the experimenter may take additional preventive measures, such as reducing the heating rate or reducing the amount of sample processed each time, which will directly lead to the decrease of experimental efficiency.

[0004] Therefore, the applicant proposes a muffle furnace crucible placing device to solve the above problems. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a muffle furnace crucible placing device to solve the problems raised in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A muffle furnace crucible placing device, comprising: a bottom frame, the top of the bottom frame is detachably connected with a top frame, the top of the top frame is provided with a plurality of crucible placing grooves, and the top of the top frame is provided with a plurality of pot cover placing grooves corresponding to the crucible placing grooves, and the two sides of the top frame are provided with adjusting mechanisms.

[0008] The adjusting mechanism comprises a round rod, and the outer circle of the round rod is sleeved with a sleeve on both sides, one side of the sleeve is fixedly connected with a connecting plate, and one side of the connecting plate is provided with a pressing mechanism, the pressing mechanism comprises an arc-shaped clamp, one side of the arc-shaped clamp is fixedly connected with the side of the adjacent connecting plate, the top of the arc-shaped clamp is provided with an upper baffle, the outer arc surface of the arc-shaped clamp is fixedly connected with a mounting block, the top of the upper baffle is fixedly connected with a plurality of structure blocks, and the bottom of the structure block and the top of the corresponding mounting block are fixedly connected through a damping rod.

[0009] Preferably, the outer ring of the damping rod is sleeved with a tension spring, one end of the tension spring is fixedly connected with the bottom of the adjacent structure block, and the other end of the tension spring is fixedly connected with the top of the adjacent mounting block.

[0010] Preferably, the two sides of the top frame are fixedly connected with mounting boxes, one end of the round rod is rotationally connected with the side wall of the adjacent mounting box through a rotating shaft, and the other end of the round rod is fixedly connected with a handle through a shaft sleeve penetrating the side wall of the adjacent mounting box.

[0011] Preferably, the arc-shaped clamp is matched with the adjacent crucible placing groove, and one side of the arc-shaped clamp is fixedly connected with an auxiliary clamp through a bolt, and the auxiliary clamp is matched with the adjacent pot cover placing groove.

[0012] Preferably, the two sides of the outer wall of one side of the top frame are provided with limiting holes, the outer circle of the round rod is sleeved with a round block, and one side of the round block is provided with a limiting rod, one end of the limiting rod penetrates the inner cavity of the round block and is inserted into the corresponding limiting hole.

[0013] Preferably, the bottom of the top frame is provided with a butt joint groove, the upper surface of the bottom frame is fixedly connected with a butt joint clamping block matched with the butt joint groove, and the bottom of the bottom frame is fixedly connected with supporting legs at four corners.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The uniform pressure provided by the tension spring ensures the close connection between the crucible cover and the crucible, avoids the risk of the crucible cover falling off under high temperature, and the design of the arc-shaped clamp and the auxiliary clamp enhances the stability of the crucible and its cover during heating, reduces the experimental error caused by position deviation, and improves the accuracy of experimental results.

[0016] The design effectively eliminates the potential safety hazards of the crucible cover under high temperature, reduces the necessity of additional preventive measures taken by experimental personnel to ensure safety, thereby significantly improving the experimental efficiency, and effectively avoids the problems of sample pollution or loss caused by loose crucible cover, thereby providing a strong guarantee for the accuracy and reliability of experimental results. ACCURACY

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

[0018] Figure 2 It is a crucible placing groove structure schematic view of the utility model;

[0019] Figure 3 It is a lower pressing mechanism internal structure schematic view of the utility model;

[0020] Figure 4The connecting plate structure schematic view of the utility model;

[0021] Figure 5 The limiting hole structure schematic view of the utility model;

[0022] Figure 6 The butt joint clamping block structure schematic view of the utility model;

[0023] In the figure: 1, bottom frame; 2, top frame; 3, pot cover placing groove; 4, crucible placing groove; 5, adjusting mechanism; 51, mounting box; 52, sleeve; 53, connecting plate; 54, round rod; 55, round block; 56, handle; 6, pressing mechanism; 61, arc-shaped clamp; 62, upper baffle; 63, mounting block; 64, structure block; 65, damping rod; 66, tension spring; 67, auxiliary clamp; 7, supporting leg; 8, limiting rod; 9, limiting hole; 10, butt joint groove; 11, butt joint clamping block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment one:

[0028] Please refer toFigures 1-6 As shown, a muffle furnace crucible placing device, comprising: a bottom frame 1, the top of the bottom frame 1 is detachably connected with a top frame 2, the top of the top frame 2 is provided with a plurality of crucible placing grooves 4, and the top of the top frame 2 is provided with a plurality of pot cover placing grooves 3 corresponding to the crucible placing grooves 4, and the two sides of the top frame 2 are provided with adjusting mechanisms 5;

[0029] The adjusting mechanism 5 comprises a round rod 54, and the outer circle of the round rod 54 is sleeved with a sleeve 52 on both sides, one side of the sleeve 52 is fixedly connected with a connecting plate 53, and one side of the connecting plate 53 is provided with a pressing mechanism 6, the pressing mechanism 6 comprises an arc-shaped clamp 61, one side of the arc-shaped clamp 61 is fixedly connected with one side of the adjacent connecting plate 53, the top of the arc-shaped clamp 61 is provided with an upper baffle 62, the outer arc surface of the arc-shaped clamp 61 is fixedly connected with a mounting block 63, and the top of the upper baffle 62 is fixedly connected with a plurality of structure blocks 64, and the bottom of the structure block 64 and the top of the corresponding mounting block 63 are fixedly connected through a damping rod 65.

[0030] The outer circle of the damping rod 65 is sleeved with a stretch spring 66, one end of the stretch spring 66 is fixedly connected with the bottom of the adjacent structure block 64, and the other end of the stretch spring 66 is fixedly connected with the top of the adjacent mounting block 63.

[0031] As can be seen from the above, personnel first put the crucible containing experimental samples into the corresponding crucible placing groove 4, and then put the crucible cover into the corresponding pot cover placing groove 3, and then the device is placed in the muffle furnace together with the crucible and the crucible cover placed in it for heating treatment, after the heating process is completed, the personnel take out the crucible cover from the pot cover placing groove 3 and connect it with the corresponding crucible, then the personnel rotate the round rod 54, the round rod 54 drives the corresponding two sleeves 52 to rotate together, through the action of the connecting plate 53, the corresponding arc-shaped clamp 61 is rotated, at this time, the upper baffle 62 is in physical contact with the crucible cover, as the personnel continue to rotate the round rod 54, driven by the round rod 54, the upper baffle 62 is closely attached to the crucible cover, causing the stretch spring 66 matched with the upper baffle 62 to be pulled open, thereby exerting pressure on the crucible cover, so that it is closely connected with the corresponding crucible, finally, in order to fix the position of the round rod 54, the personnel use the limiting rod 8 to pass through the inner cavity of the corresponding round block 55 and is inserted with the adjacent limiting hole 9, achieving the limiting of the round rod 54, since the device can form a close connection between the crucible cover and the crucible, it avoids the possibility that the crucible cover under high temperature becomes a safety hazard, in addition, the device not only reduces the need for additional preventive measures for the user, but also improves the experimental efficiency, at the same time, such design helps to prevent sample pollution or loss caused by loose crucible cover, thereby ensuring the accuracy of the experimental results.

[0032] Example two:

[0033] Please refer toFigures 1-6 As shown, the two sides of the top frame 2 are fixedly connected with the installation boxes 51, one end of the round rod 54 is rotatably connected with the side wall of the adjacent installation box 51 through a rotating shaft, and the other end of the round rod 54 is fixedly connected with the handle 56 through a shaft sleeve penetrating through the side wall of the adjacent installation box 51.

[0034] The arc-shaped clamp 61 is matched with the adjacent crucible placing groove 4, one side of the arc-shaped clamp 61 is fixedly connected with the auxiliary clamp 67 through a bolt, and the auxiliary clamp 67 is matched with the adjacent pot cover placing groove 3.

[0035] The two sides of the outer wall of one side of the top frame 2 are both provided with the limiting holes 9, the outer circle of the round rod 54 is sleeved with the round block 55, one side of the round block 55 is provided with the limiting rod 8, and one end of the limiting rod 8 penetrates through the inner cavity of the round block 55 and is inserted into the corresponding limiting hole 9.

[0036] The bottom of the top frame 2 is provided with the butt joint groove 10, the upper surface of the bottom frame 1 is fixedly connected with the butt joint clamping block 11 matched with the butt joint groove 10, and the bottom of the bottom frame 1 is fixedly connected with the supporting legs 7 at the four corners.

[0037] As can be known from the above, by means of the setting that the damping rod 65 is sleeved with the tension spring 66, and one end of the tension spring 66 is fixedly connected with the bottom of the adjacent structure block 64, and the other end is fixedly connected with the top of the adjacent mounting block 63, when the circular rod 54 rotates to drive the arc-shaped clamp 61 and the upper baffle 62 to move, the tension spring 66 can provide stable elastic support, in the process of tightly connecting the crucible cover and the crucible, the tension spring 66 can automatically adjust the tension according to the pressure change, so as to ensure that the pressure applied by the upper baffle 62 to the crucible cover is uniform and moderate, and avoid the unstable connection caused by excessive or insufficient pressure, thereby improving the sealing between the crucible cover and the crucible, and further reducing the risk of the crucible cover falling off under high temperature, by means of the setting that the top frame 2 is fixedly connected with the mounting box 51 on both sides, and one end of the circular rod 54 is rotatably connected with the side wall of the mounting box 51 through a rotating shaft, and the other end is fixedly connected with the handle 56 by penetrating the side wall of the mounting box 51 through a shaft sleeve, the working process is that personnel can drive the circular rod 54 to rotate by rotating the handle 56, and then drive the arc-shaped clamp 61 and the upper baffle 62 to complete the fastening operation of the crucible cover, which makes the operation more convenient, and the cooperation of the rotating shaft and the shaft sleeve ensures the rotation stability and durability of the circular rod 54, reduces the risk of operation failure caused by mechanical wear, and improves the service life and reliability of the whole device, by means of the setting that the arc-shaped clamp 61 is matched with the adjacent crucible placing groove 4, and the auxiliary clamp 67 is fixedly connected on one side of the arc-shaped clamp 61 through a bolt, and the auxiliary clamp 67 is matched with the adjacent pot cover placing groove 3, the working process is that the arc-shaped clamp 61 can accurately position the position of the crucible during rotation, and the auxiliary clamp 67 can effectively fix the position of the crucible cover to prevent displacement during heating or taking out, which not only improves the stability of the crucible and its cover in the muffle furnace, but also avoids experimental errors caused by position deviation, thereby improving the accuracy of experimental results, by means of the setting that the limiting hole 9 is formed in the side outer wall of the top frame 2, and the circular block 55 is sleeved on one side of the outer circle of the circular rod 54, and the limiting rod 8 is arranged on one side of the circular block 55, and one end of the limiting rod 8 penetrates the inner cavity of the circular block 55 and is inserted into the corresponding limiting hole 9, the working process is that after the circular rod 54 is rotated to the appropriate position, personnel can insert the limiting rod 8 into the limiting hole 9 to fix the position of the circular rod 54, which effectively prevents the crucible cover from loosening due to accidental rotation of the circular rod 54, further enhances the safety and stability of the device, and also simplifies the operation steps and improves the experimental efficiency, by means of the setting that the butt joint groove 10 is formed in the bottom of the top frame 2, and the butt joint clamping block 11 matched with the butt joint groove 10 is fixedly connected on the upper surface of the bottom frame 1, the working process is that the top frame 2 and the bottom frame 1 are quickly assembled and disassembled through the butt joint groove 10 and the butt joint clamping block 11, and by means of the setting of the bottom frame 1, the samples accidentally flowing out of the crucible will not pollute the bottom of the crucible.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A muffle crucible placement device, comprising: Include: The bottom frame (1), the top of the bottom frame (1) is detachably connected with the top frame (2), the top of the top frame (2) is provided with a plurality of crucible placing grooves (4), and the top of the top frame (2) is provided with a plurality of pot cover placing grooves (3) corresponding to the crucible placing grooves (4), and the two sides of the top frame (2) are provided with adjusting mechanisms (5); The adjusting mechanism (5) includes a round rod (54), and the outer circle of the round rod (54) is sleeved with a sleeve (52) on both sides, one side of the sleeve (52) is fixedly connected with a connecting plate (53), and one side of the connecting plate (53) is provided with a pressing mechanism (6), the pressing mechanism (6) includes an arc-shaped clamp (61), and one side of the arc-shaped clamp (61) is fixedly connected with one side of the adjacent connecting plate (53), the top of the arc-shaped clamp (61) is provided with an upper baffle (62), the outer arc surface of the arc-shaped clamp (61) is fixedly connected with a mounting block (63), and the top of the upper baffle (62) is fixedly connected with a plurality of structure blocks (64), and the bottom of the structure block (64) and the top of the corresponding mounting block (63) are fixedly connected through a damping rod (65).

2. A muffle crucible placement device according to claim 1, wherein: The outer circle of the damping rod (65) is sleeved with a stretch spring (66), one end of the stretch spring (66) is fixedly connected with the bottom of the adjacent structure block (64), and the other end of the stretch spring (66) is fixedly connected with the top of the adjacent mounting block (63).

3. A device for placing a muffle crucible according to claim 1, characterized in that: The two sides of the top frame (2) are fixedly connected with a mounting box (51), one end of the round rod (54) is rotatably connected with the side wall of the adjacent mounting box (51) through a rotating shaft, and the other end of the round rod (54) is fixedly connected with a handle (56) through a shaft sleeve penetrating the side wall of the adjacent mounting box (51).

4. A device for placing a muffle crucible according to claim 1, characterized in that: The arc-shaped clamp (61) is matched with the adjacent crucible placing groove (4), and the side of the arc-shaped clamp (61) is fixedly connected with an auxiliary clamp (67) through bolts, and the auxiliary clamp (67) is matched with the adjacent pot cover placing groove (3).

5. A device for placing a muffle crucible according to claim 1, characterized in that: The two sides of the side wall of the top frame (2) are provided with limiting holes (9), the outer circle of the round rod (54) is sleeved with a round block (55), and the side of the round block (55) is provided with a limiting rod (8), one end of the limiting rod (8) penetrates the inner cavity of the round block (55) and is inserted into the corresponding limiting hole (9).

6. A device for placing a muffle crucible according to claim 1, characterized in that: The bottom of the top frame (2) is provided with a butt joint groove (10), the upper surface of the bottom frame (1) is fixedly connected with a butt joint clamping block (11) matched with the butt joint groove (10), and the bottom of the bottom frame (1) is fixedly connected with a supporting leg (7) at four corners.