Crucible for graphite ash content test
By setting a protective cylinder and fastener connection in the crucible for graphite ash content testing, the problem of the influence of external impurities on the test results is solved, and more accurate ash content testing is achieved.
Patent Information
- Application Number
- CN202520235749.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing crucibles for graphite ash content testing lack external protective structures, resulting in significant impacts from external environmental impurities on the test results.
A crucible for testing graphite ash content was designed, comprising a crucible body and an inner crucible. A protective cylinder is installed at the top of the inner crucible and is fixedly connected to the crucible body by fasteners to form a complete protective structure, which isolates external impurities from the graphite sample in the inner crucible.
This effectively reduces the impact of the external environment on the graphite ash content test results, improving the accuracy and reliability of the test.
Smart Images
Figure CN223732806U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the crucible technical field, concretely is a graphite ash content test uses crucible. BACKGROUND
[0002] Graphite is the mainstream secondary battery negative electrode material, mainly by fixed carbon, ash content and volatile three parts, fixed carbon is the truly active component of electrochemistry, the test method of graphite ash content is to take the graphite of proper amount using crucible, is placed in the muffle furnace and carries out high temperature calcination. Ash content in graphite negative electrode material is generally not more than 0.5%, and thus the mass of the remaining substance in the crucible is very small, and the falling objects in the furnace body and the dust in the air during the test process can have a great influence on the ash content test result.
[0003] But the existing graphite ash content test uses the crucible to use only increases a cage cover component above the crucible, does not have the protection structure on the outside of the crucible, and the impurities in the external environment of the crucible do not have good protection effect, and thus the prior art needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model discloses a graphite ash content test uses crucible to solve the problem that the existing graphite ash content test uses the crucible to use only increases a cage cover component above the crucible, does not have the protection structure on the outside of the crucible, and the impurities in the external environment of the crucible do not have good protection effect.
[0005] To achieve the above object, the utility model provides the following technical scheme: a graphite ash content test uses crucible, including the crucible main part, the inside assembly of crucible main part has the inner crucible, the top of crucible main part is equipped with the crucible cover.
[0006] The inside sleeve of crucible cover is connected with the protection cylinder, and the protection cylinder is sleeved on the outer top end of the inner crucible.
[0007] The connecting lug is installed on the both side outer walls of the crucible cover and the both side outer walls of the top of the crucible main part.
[0008] The fastener includes a fastening screw and an anti-loosening screw, and the outer thread of the fastening screw is connected with a fastening nut.
[0009] The bottom end of the fastening screw is provided with an anti-loosening screw groove, and the anti-loosening screw is screwed in the anti-loosening screw groove.
[0010] The outer sleeve of the anti-loosening screw is connected with the anti-loosening cylinder.
[0011] As a graphite ash content test crucible preferred of the utility model, the outer wall of the anti -drop cylinder is equipped with three limit posts, three The limit posts are distributed in a triangular shape, the inner wall of each The limit post is provided with a spiral groove matched with the fastening screw, the outer wall of the fastening nut is provided with an annular rotating groove, and the end of the limit post can be embedded in the annular rotating groove.
[0012] As a graphite ash content test crucible preferred of the utility model, the inner wall of the anti -drop cylinder is provided with a reverse internal thread, the outer part of the anti -drop screw is provided with a reverse external thread at the joint with the anti -drop cylinder, and the reverse internal thread and the reverse external thread are matched.
[0013] As a graphite ash content test crucible preferred of the utility model, the end of the anti -drop screw is provided with a rotating disc, and the outer wall of the rotating disc is provided with a cross groove.
[0014] As a graphite ash content test crucible preferred of the utility model, the outer part of the fastening screw is provided with a fixed ring on the upper end, the circumferential surface of the fastening screw is provided with an annular tablet, a spring and an annular rubber sheet, and the lower end edge of the annular tablet is fixedly provided with an extrusion block; The spring is sleeved on the fastening screw, and the two ends of the spring abut against the nut and the annular rubber sheet of the fastening screw respectively.
[0015] As a graphite ash content test crucible preferred of the utility model, the outer wall of the inner crucible is provided with an external thread on the upper end, the inner part of the protective cylinder is provided with an internal thread, and the external thread and the internal thread are matched.
[0016] As a graphite ash content test crucible preferred of the utility model, the outer wall of the crucible body is provided with a ventilation hole, the bottom end of the crucible body is provided with a bearing plate, and the outer wall of the crucible body is provided with a label groove.
[0017] As a graphite ash content test crucible preferred of the utility model, the outer part of the two connecting ear plates is provided with a protective shell.
[0018] Compared with the prior art, the utility model has the advantages that the graphite ash content test crucible is provided, the structure design is reasonable,
[0019] The inner part of the crucible body is provided with an inner crucible, and the top end of the crucible body and the inner crucible is provided with a protective cylinder, so as to further isolate the external impurities from the graphite sample in the inner crucible, and effectively reduce the influence of the external environment on the graphite ash content test result. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The utility model structure schematic diagram is provided;
[0021] Figure 2The utility model discloses a front view;
[0022] Figure 3 The utility model discloses a fastener schematic view;
[0023] Figure 4 The utility model discloses a anti -drop cylinder schematic view;
[0024] Figure 5 The utility model discloses a fastening screw schematic view.
[0025] In the drawing: 1, crucible main body;2, bearing plate;3, inner crucible;4, fastener;5, protection cylinder;6, fastening screw;7, fastening nut;8, anti -drop screw groove;9, anti -drop cylinder;10, anti -drop screw;11, annular rotary tank;12, fixed ring;13, extrusion block;14, annular compression tablet;15, annular rubber sheet;16, spring;17, limiting column;18, spiral groove;19, reverse internal thread;20, reverse external thread;21, internal thread;22, crucible cover;23, fastening hole;24, connecting lug plate;25, label slot;26, vent hole;27, external thread;28, protection shell. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.
[0027] Please refer to Figures 1-5 The utility model provides a technical scheme:
[0028] In the technical scheme, a graphite ash content test crucible includes a crucible main body 1, an inner crucible 3 is assembled in the inside of the crucible main body 1, and a crucible cover 22 is assembled at the top end of the crucible main body 1;A protection cylinder 5 is sleeved in the inside of the crucible cover 22, the protection cylinder 5 is sleeved at the outside top end of the inner crucible 3, and the crucible cover 22 is arranged at the top end of the crucible main body 1;Connecting lug plates 24 are installed on the both side outer walls of the crucible cover 22 and the both side outer walls of the crucible main body 1 upper end, fastening holes 23 are formed in the side wall of the connecting lug plate 24, fasteners 4 are assembled in the inside of the fastening hole 23 to fixedly connect the connecting lug plate 24 of the crucible cover 22 and the connecting lug plate 24 of the crucible main body 1;The fastener 4 includes a fastening screw 6 and an anti -drop screw 10, and a fastening nut 7 is screwed on the outside of the fastening screw 6;An anti -drop screw groove 8 is formed in the bottom end of the fastening screw 6, and the anti -drop screw 10 is screwed in the anti -drop screw groove 8;The anti -drop cylinder 9 is sleeved on the outside of the anti -drop screw 10.
[0029] In the technical scheme, the crucible main body 1 is a crucible for testing graphite ash in the prior art, and an inner crucible is arranged inside the crucible main body 1, the top end of the inner crucible is protected by the protection cylinder 5, the protection cylinder 5 is fixed to the top end of the crucible main body 1 by the crucible cover 22, so that the impurities outside are isolated from the graphite sample in the inner crucible, and the influence of the external environment on the test result of the graphite ash is effectively reduced, when the protection cylinder cover 22 is installed on the top end of the crucible main body 1, the connecting lug 24 on the crucible cover 22 is attached to the connecting lug 24 on the crucible main body 1, so that the fastening screw 6 on the fastener 4 is passed through the fastening hole 23, and the fastening screw 6 is fixed by the fastening nut 7.
[0030] In some technical schemes, the inner wall of the anti-escape cylinder 9 is provided with a reverse inner thread 19, the outer part of the anti-escape screw rod 10 is provided with a reverse outer thread 20, and the reverse inner thread 19 and the reverse outer thread 20 are matched.
[0031] In the technical scheme, the thread on the outer part of the anti-escape screw rod 10 is divided into two parts, the front part is matched with the inner thread of the anti-escape screw groove 8, and the rear part is matched with the reverse inner thread 19 of the anti-escape cylinder 9, so that the anti-escape cylinder 9 is installed on the outer part of the anti-escape screw rod 10.
[0032] In some technical schemes, the end of the anti-escape screw rod 10 is provided with a rotating disc, and the outer wall of the rotating disc is provided with a cross groove.
[0033] In the technical scheme, the rotating disc is convenient for rotating the anti-escape screw rod 10, and the cross groove 5 is convenient for using a screwdriver.
[0034] In some technical schemes, the outer wall of the fastening nut 7 is provided with an annular rotating groove 11, and the end of the limiting column 17 can be embedded in the annular rotating groove 11.
[0035] In the technical scheme, when the anti-escape screw rod 10 is screwed into the anti-escape screw groove 8, the anti-escape cylinder 9 will rotate, and when the limiting column 17 is in contact with the fastening nut 7, the limiting column 17 can rotate in the annular rotating groove 11 until the limiting column 17 is in contact with the inner wall of the annular rotating groove 11, so that the fastening nut 7 is pressed and circumferentially limited.
[0036] In some technical schemes, the outer part of the fastening screw 6 is provided with a fixing ring 12, the circumferential surface of the fastening screw 6 is provided with an annular pressing piece 14, a spring 16 and an annular rubber piece 15, the lower end edge of the annular pressing piece 14 is fixedly provided with an extrusion block 13, the spring 16 is sleeved on the fastening screw 6, and the two ends of the spring 16 are respectively in contact with the screw cap of the fastening screw 6 and the annular rubber piece 15.
[0037] In the technical scheme, when the fastening screw 6 is rotated, the annular rubber sheet 15 slides upward due to the screw hole, and with further rotation, the annular rubber sheet 15 is in contact with the fixed ring 12, the annular rubber sheet 15 is deformed due to the action of the fixed ring 12, the screw hole is sealed, the spring 16 is located on the upper side of the annular pressing sheet 14, the annular pressing sheet 14 is pressed downward due to the action of the spring 16, the pressing block 13 is pressed downward due to the action of the annular pressing sheet 14, the edge of the annular rubber sheet 15 is further pressed by the pressing block 13, and thus the sealing effect is improved, the annular pressing sheet 14 is located on the upper side of the fixed ring 12, the spring 16 is located on the upper side of the annular pressing sheet 14, the annular rubber sheet 15 is located on the lower side of the fixed ring 12, and the pressing block 13 is fixedly installed at the lower end edge of the annular pressing sheet 14.
[0038] In some technical schemes, an outer thread 27 is formed on the outer wall of the inner crucible 3, an inner thread 21 is formed in the inner part of the protective cylinder 5, and the outer thread 27 and the inner thread 21 are matched; a ventilation hole 26 is formed on the outer wall of the crucible body 1, the bottom end of the crucible body 1 is provided with a bearing plate 2, and a label groove 25 is arranged on the outer wall of the crucible body 1.
[0039] In the technical scheme, air circulation in the inner part is achieved through the ventilation hole 26, rapid heat conduction is achieved through the bearing plate 2, and the properties of the crucible can be set in the label groove 25.
[0040] In some technical schemes, the outer part of the connecting lug plate (24) is sleeved with a protective shell (28).
[0041] In the technical scheme, the protective shell 28 is made of high-temperature-resistant material, after the crucible cover 22 is installed on the crucible body 1, the two connecting lug plates 24 are attached and fastened and fixed through the fastener 4, and then the protective shell 28 is installed on the connecting lug plate, so that high-temperature resistance is achieved.
[0042] Working principle:
[0043] In use, first, the inner crucible 3 is vertically fixed in the inner part of the crucible body 1, then the protective cylinder 5 is installed on the top end of the inner crucible 3, the crucible cover 22 is arranged on the top end of the crucible body 1, at this time, the two connecting lug plates 24 are attached, after the crucible cover 22 is installed on the crucible body 1, the two connecting lug plates 24 are attached and fastened and fixed through the fastener 4, and then the protective shell 28 is installed on the connecting lug plate, so that high-temperature resistance is achieved, and the two connecting lug plates 24 are fixed through the fastener 4.
[0044] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0045] Although the present application has been described with reference to the embodiments above, it is possible to make various modifications thereto and to replace components thereof with equivalents without departing from the scope of the present application. In particular, each feature disclosed in the embodiments of the present application can be used in combination with any other feature disclosed in the embodiments of the present application, provided that there is no structural conflict. The combinations of features are not exhaustively described in the present specification only for the sake of brevity and resource saving. Therefore, the present application is not limited to the specific embodiments disclosed herein but encompasses all technical solutions falling within the scope of the claims.
Claims
1. A crucible for testing of graphite ash, comprising a crucible body (1), characterized in that: The inner part of the crucible main body (1) is equipped with an inner crucible (3), and the top end of the crucible main body (1) is equipped with a crucible cover (22); The inner part of the crucible cover (22) is sleeved with a protective cylinder (5), the protective cylinder (5) is sleeved on the outer top end of the inner crucible (3), and the crucible cover (22) is arranged on the top end of the crucible main body (1); The outer walls on both sides of the crucible cover (22) and the outer walls on the upper end of the crucible main body (1) are both equipped with connecting ear plates (24), the side walls of the connecting ear plates (24) are provided with fastening holes (23), the fastening holes (23) are equipped with fasteners (4) inside, so as to fixedly connect the connecting ear plates (24) of the crucible cover (22) and the connecting ear plates (24) of the crucible main body (1); The fastener (4) comprises a fastening screw (6) and a anti-loosening screw (10), and the outer part of the fastening screw (6) is screwed with a fastening nut (7); The bottom end of the fastening screw (6) is provided with an anti-loosening screw groove (8), and the anti-loosening screw (10) is screwed in the anti-loosening screw groove (8); The outer part of the anti-loosening screw (10) is sleeved with an anti-loosening cylinder (9).
2. A crucible for testing graphite ash according to claim 1, wherein The outer wall of the anti-loosening cylinder (9) is equipped with three limiting columns (17), the three limiting columns (17) are distributed in a triangular shape, the inner walls of the three limiting columns (17) are both provided with spiral grooves (18) matched with the fastening screw (6), the outer wall of the fastening nut (7) is provided with an annular rotating groove (11), and the end parts of the limiting columns (17) can be embedded in the annular rotating groove (11).
3. A crucible for testing graphite ash according to claim 1, wherein The inner wall of the anti-loosening cylinder (9) is provided with an inverse internal thread (19), the outer part of the anti-loosening screw (10) is provided with an inverse external thread (20) at the abutting part with the anti-loosening cylinder (9), and the inverse internal thread (19) and the inverse external thread (20) are matched.
4. A crucible for testing graphite ash according to claim 1, wherein The end part of the anti-loosening screw (10) is equipped with a rotating disc, and the outer wall of the rotating disc is provided with a cross groove.
5. A crucible for testing graphite ash according to claim 2, wherein The outer upper end of the fastening screw (6) is sleeved with a fixing ring (12), the circumferential surface of the fastening screw (6) is sleeved with an annular pressing piece (14), a spring (16) and an annular rubber piece (15), the lower end edge of the annular pressing piece (14) is fixedly equipped with an extrusion block (13); the spring (16) is sleeved on the fastening screw (6), and the two ends of the spring (16) are respectively abutted against the screw cap of the fastening screw (6) and the annular rubber piece (15).
6. A crucible for testing graphite ash according to claim 1, wherein The outer wall of the inner crucible (3) is provided with an external thread (27) on the upper end, and the inner part of the protective cylinder (5) is provided with an internal thread (21), and the external thread (27) and the internal thread (21) are matched.
7. A crucible for testing graphite ash according to claim 1, wherein The outer wall of the crucible main body (1) is provided with a ventilation hole (26), the bottom end of the crucible main body (1) is equipped with a bearing plate (2), and the outer wall of the crucible main body (1) is provided with a label groove (25).
8. A crucible for testing graphite ash according to claim 1, wherein The outer parts of the two connecting ear plates (24) are sleeved with a protective shell (28).