Pencil lead storage box

Abstract

The utility model relates to the technical field of pencil lead storage, in particular to a pencil lead storage box which comprises a shell and a cover cap assembly, an opening is formed in the upper portion of the shell, the cover cap assembly detachably covers the opening, a partition piece is arranged in an inner cavity of the shell, and the partition piece is arranged in the inner cavity of the shell. An inner cavity of the shell is divided into at least two cavities used for containing pencil leads by the partition piece, and the cavities are communicated with the opening; the cap assembly comprises a first cap and a second cap, the second cap is rotationally arranged outside the first cap, the first cap is provided with through holes in one-to-one correspondence with the cavities, the through holes are distributed in the circumferential direction of the first cap, and the second cap is provided with a lead outlet axially aligned with at least one through hole; according to the pencil lead storage box, pencil leads of different specifications can be stored in a classified mode, a user can conveniently and rapidly find the needed pencil leads, and the taking efficiency is improved.

Description

Technical Field

[0001] This disclosure relates to the field of pencil lead storage technology, and in particular to a pencil lead storage box. Background Technology

[0002] In daily study, office work, and artistic creation, pencil leads, as an important component of pencils, are widely used due to their portability and practicality. To meet the needs of storing, transporting, and retrieving pencil leads, pencil lead storage boxes have become an indispensable accessory.

[0003] Patent No. 2020222344765 discloses a lead core box, including a box body and an internal component that mates with the box body, forming a cavity for accommodating lead cores. One end of the box body has an opening for inserting the internal component, and the other end has an outlet for leading out the lead cores. The inner wall of the box body has a guide groove corresponding to the outlet. The internal component includes a hopper for accommodating lead cores, with a pressing end at the top and a first spring abutting against the wall of the guide groove and a second spring abutting against the bottom of the inner wall of the box body at the bottom. The side wall of the hopper has a pressing part that engages with the box body. This patent allows for the storage and retrieval of single or multiple lead cores without easily causing core breakage.

[0004] In practical use, due to differences in process requirements and application needs, it is often necessary to use pencil leads of various specifications. If multiple independent lead boxes are used to store pencil leads of different diameters, hardnesses and colors according to existing patented technology, although orderly storage and management can be achieved, users need to carry multiple lead boxes at the same time, which not only increases the burden of carrying, but also occupies a lot of storage space. Utility Model Content

[0005] In view of the shortcomings or problems existing in the prior art, this disclosure provides a pencil lead storage box that can store pencil leads of various specifications and types, making it convenient to carry.

[0006] The technical solution adopted by this disclosure to solve the above-mentioned technical problem is as follows: a pencil lead storage box, including a shell and a cap assembly. The shell has an opening at the top, and the cap assembly is detachably closed at the opening. A partition is provided in the inner cavity of the shell, which divides the inner cavity of the shell into at least two cavities for accommodating pencil leads. The cavities are in communication with the opening. The cap assembly includes a first cap and a second cap. The second cap is rotatably disposed outside the first cap. The first cap has through holes corresponding to each cavity. The through holes are arranged along the circumference of the first cap. The second cap has lead outlet holes that are axially aligned with at least one through hole.

[0007] As a preferred embodiment, the first cap comprises a cylindrical main body part, an outer peripheral wall of the main body part is provided with a first annular contact surface and a first annular recess continuously extending in the circumferential direction of the main body part, the first annular contact surface is arranged at the transition between the main body part and the first annular recess; the opening of the shell is provided with a second annular contact surface, the first annular recess is sleeved in the shell and in contact with the inner wall of the shell, and the first annular contact surface is in contact with the second annular contact surface.

[0008] As a preferred embodiment, the second annular contact surface extends downward to form a limiting recess, the first annular contact surface extends downward to form a limiting protrusion, and the limiting recess and the limiting protrusion are matched to limit the first cap in the circumferential direction.

[0009] As a preferred embodiment, the shell comprises a cylindrical body part, an outer peripheral wall of the body part is provided with a third annular contact surface and a second annular recess continuously extending in the circumferential direction of the body part, the third annular contact surface is arranged at the transition between the body part and the second annular recess; one end of the second cap is provided with an opening, and the opening is provided with a fourth annular contact surface, and after the second cap is covered on the shell, the fourth annular contact surface is in contact with the third annular contact surface.

[0010] As a preferred embodiment, the second annular recess is provided with a first annular protrusion, an outer peripheral wall of the first annular protrusion is a smooth arc-shaped surface, an inner peripheral wall of the second cap is provided with a first annular groove, and the first annular groove and the first annular protrusion are matched to limit the second cap in the axial direction.

[0011] As a preferred embodiment, the main body part is provided with a hollow part, and a positioning clamping block is arranged near the hollow part, the positioning clamping block is arranged on the outer peripheral wall of the main body part, an inner peripheral wall of the second cap is provided with at least three strip-shaped grooves extending in the axial direction, and the positioning clamping block and the strip-shaped grooves are matched to position the rotating second cap.

[0012] As a preferred embodiment, the hollow part is a U-shaped structure, and the positioning clamping block is arranged in the area enclosed by the U-shaped structure.

[0013] As a preferred embodiment, a specification label is arranged corresponding to each through hole, the specification label is arranged on the inner side of the through hole, each specification label is arranged in the radial direction of the first cap, the lead outlet hole is a waist-shaped hole, and the length of the waist-shaped hole is greater than or equal to the length of the specification label.

[0014] As a preferred embodiment, a closing label is further arranged in the radial direction of the first cap, and the closing label is arranged between any two specification labels.

[0015] In some embodiments, the barrier is a rectangular plate arranged along the diameter direction of the inner cavity of the shell, which uniformly divides the inner cavity of the shell into two cavities for accommodating pencil leads.

[0016] In some embodiments, the barrier is composed of three rectangular plates, one side edge of each plate converges at the axial position of the shell, and the other side edge abuts against the inner wall of the shell respectively; the included angle between any two of the three plates is 120°, and the three plates uniformly divide the inner cavity of the shell into three cavities for accommodating pencil leads.

[0017] In some embodiments, the barrier is composed of four rectangular plates, one side edge of each plate converges at the axial position of the shell, and the other side edge abuts against the inner wall of the shell respectively; the included angle between any two of the four plates is 90°, and the four plates uniformly divide the inner cavity of the shell into four cavities for accommodating pencil leads.

[0018] Compared with existing products, the barrier divides it into at least two cavities, which is beneficial to the classified storage of pencil leads of different specifications, facilitates users to quickly find the required pencil lead, and improves the efficiency of taking; compared with multiple independent pencil lead boxes, this multi-cavity pencil lead box integrates multiple pencil leads together, which is more convenient to carry, occupies less space, reduces the burden of users, and is convenient for storage and carrying; by rotating the second cap, the lead outlet is axially aligned with at least one through hole, the corresponding pencil lead cavity is opened, and the pencil lead is taken, which exposes only the target cavity and keeps the remaining cavities closed to prevent accidental spilling of non-target pencil leads; by rotating the second cap, the lead outlet is misaligned with all through holes, and all cavities are completely closed, which is more flexible and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present application will be further described in detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments and therefore should not be considered as limiting the scope of the present application. In addition, unless specifically indicated, the drawings only schematically represent the composition or structure of the described objects and can include exaggerated displays, and the drawings are not necessarily drawn to scale.

[0020] Figure 1 is a structural schematic diagram of a pencil lead storage box of the present disclosure;

[0021] Figure 2 is one of the exploded views of a pencil lead storage box of the present disclosure;

[0022] Figure 3 is one of the structural schematic diagrams of the second cap of the present disclosure;

[0023] Figure 4is one of structural schematic diagrams of a first cap of the present disclosure;

[0024] Figure 5 is one of structural schematic diagrams of a shell of the present disclosure;

[0025] Figure 6 is the second of the exploded view of a pencil lead storage box of the present disclosure;

[0026] Figure 7 is the second of the structural schematic diagrams of a second cap of the present disclosure;

[0027] Figure 8 is the second of the structural schematic diagrams of a first cap of the present disclosure;

[0028] Figure 9 is the second of the structural schematic diagrams of a shell of the present disclosure;

[0029] Figure 10 is the third of the exploded view of a pencil lead storage box of the present disclosure;

[0030] Figure 11 is the third of the structural schematic diagrams of a first cap of the present disclosure;

[0031] Figure 12 is the third of the structural schematic diagrams of a shell of the present disclosure;

[0032] Figure 13 is the third of the structural schematic diagrams of a second cap of the present disclosure.

[0033] Explanation of reference signs:

[0034] 1, cap assembly; 2, shell; 3, first cap; 4, second cap; 5, lead outlet hole; 6, through hole; 7, main body part; 8, first annular inner recess; 9, second annular contact surface; 10, limiting groove; 11, limiting protrusion; 12, body part; 13, second annular inner recess; 14, third annular contact surface; 15, first annular protrusion; 16, first annular groove; 17, long strip-shaped groove; 18, positioning clamping block; 19, hollow part; 20, specification label; 21, closing label; 22, barrier. DETAILED DESCRIPTION

[0035] In order for those skilled in the art to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail, clearly and completely in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present disclosure and do not limit the present disclosure.

[0036] Those skilled in the art should understand that in the disclosure of the utility model, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation on the utility model.

[0037] Embodiment 1

[0038] Please refer to Figures 1-5 As shown in the drawings, the embodiment provides a pencil lead storage box, which comprises a shell 2 and a cap assembly 1, the upper part of the shell 2 is provided with an opening, the cap assembly 1 is detachably closed at the opening, a partition 22 is arranged in the inner cavity of the shell 2, specifically, the partition 22 is a rectangular plate body arranged along the diameter direction of the inner cavity of the shell 2, which uniformly divides the inner cavity of the shell 2 into two cavity bodies for accommodating pencil leads, and the two cavity bodies are respectively communicated with the opening; the cap assembly 1 comprises a first cap 3 and a second cap 4, the second cap 4 is rotationally arranged outside the first cap 3, the first cap 3 is provided with a through hole 6 corresponding to each cavity body, the through hole 6 is arranged along the circumferential direction of the first cap 3, and the second cap 4 is provided with a lead outlet hole 5 for axial alignment with at least one through hole 6. The partition 22 divides the inner cavity of the shell 2 into two cavity bodies, realizing the classified storage of pencil leads, facilitating users to distinguish different specifications of pencil leads, and avoiding the inconvenience caused by mixed loading; in the taking operation, the through hole 6 of the first cap 3 corresponds to the cavity body, the lead outlet hole 5 is adjusted to be aligned with the through hole 6 by rotating the second cap 4, and then the lead outlet from the specific cavity body is accurately controlled, thereby improving the taking efficiency.

[0039] Further, the first cap 3 comprises a cylindrical main body part 7, a first annular contact surface and a first annular recess 8 continuously extending along the circumferential direction of the main body part 7 are arranged on the outer peripheral wall of the main body part 7, the first annular contact surface is arranged at the transition between the main body part 7 and the first annular recess 8; a second annular contact surface 9 is arranged at the opening of the shell 2, the first annular recess 8 is sleeved in the shell 2 and in contact with the inner wall of the shell 2, and the first annular contact surface is in contact with the second annular contact surface 9. The first annular recess 8 is sleeved in the shell 2 and in contact with the inner wall of the shell 2, and this nested connection mode makes the connection between the first cap 3 and the shell 2 more compact and stable, so that it can effectively resist the impact and vibration of external force, and ensure that it will not be easily loosened or fallen off during use, thereby improving the structural stability of the storage box.

[0040] Further, the second annular contact surface 9 extends downwardly to a limiting groove 10, and the first annular contact surface extends downwardly to a limiting protrusion 11, the limiting groove 10 and the limiting protrusion 11 are matched to limit the first cap 3 in the circumferential direction. Such arrangement can guide the user to correctly install the first cap 3, and can effectively prevent the first cap 3 from rotating with the second cap 4 during the rotation of the second cap 4.

[0041] The shell 2 comprises a cylindrical body portion 12, and the outer peripheral wall of the body portion 12 is provided with a third annular contact surface 14 and a second annular recess 13 extending continuously in the circumferential direction of the body portion 12, and the third annular contact surface 14 is arranged at the transition between the body portion 12 and the second annular recess 13; one end of the second cap 4 is provided with an opening, and the opening is provided with a fourth annular contact surface, and after the second cap 4 is covered on the shell 2, the fourth annular contact surface is in contact with the third annular contact surface 14. Such arrangement makes the assembly process of the second cap 4 and the shell 2 simple and convenient, and only needs to align the opening of the second cap 4 with the shell 2, and then the fourth annular contact surface is attached to the third annular contact surface 14 to complete the covering.

[0042] In order to strengthen the connection between the second cap 4 and the shell 2, the second annular recess 13 is provided with a first annular protrusion 15, the outer peripheral wall of the first annular protrusion 15 is a smooth transition arc surface, and the inner peripheral wall of the second cap 4 is provided with a first annular groove 16, the first annular groove 16 and the first annular protrusion 15 are matched to limit the second cap 4 in the axial direction, prevent the second cap 4 from being displaced in the axial direction, and effectively prevent the lead pencil core storage box from loosening and falling off when subjected to external force. The outer peripheral wall of the first annular protrusion 15 is arranged as a smooth transition arc surface, so that the second cap 4 can be smoothly slid into the correct position along the arc surface during assembly, reducing the frictional resistance during assembly and reducing the assembly difficulty.

[0043] In particular, each through hole 6 is provided with a specification label 20, which is arranged on the inner side of the through hole 6. Each specification label 20 is arranged along the radial direction of the first cap 3 and is arranged above the corresponding cavity. The lead outlet hole 5 is a waist-shaped hole, and the length of the waist-shaped hole is greater than or equal to the length of the specification label 20. In this way, when the second cap 4 is rotated to adjust the alignment of the lead outlet hole 5 and the through hole 6, the specification label 20 is always within the visible range, so that the user can know the specification of the pencil lead in the corresponding cavity. Specifically, the specification label 20 is a label of the color, thickness, hardness, etc. of the pencil lead in the corresponding cavity, such as: HB, 2B, 0.5mm, 0.7mm, red, blue, etc. In addition, a closing label 21 is also arranged along the radial direction of the first cap 3, and the closing label 21 is arranged between any two specification labels 20. The length of the waist-shaped hole is greater than or equal to the length of the closing label 21. The arrangement of the closing label 21 provides a clear and intuitive closing label for the user. When the second cap 4 is rotated to the position corresponding to the closing label 21, the user can clearly know that the pencil lead storage box is in a closed state at this time, and the lead outlet channel has been blocked. This effectively avoids the situation that the pencil lead is scattered or dust enters due to misjudgment of the opening and closing state of the storage box.

[0044] The main body 7 is provided with a hollow part 19, and a positioning block 18 is arranged near the hollow part 19. The positioning block 18 is arranged on the outer peripheral wall of the main body 7. The inner peripheral wall of the second cap 4 is provided with three long strip-shaped grooves 17 extending along the axial direction. The positioning block 18 cooperates with the long strip-shaped grooves 17 to position the rotating second cap 4. Specifically, the positioning block 18 is a convex point or convex block structure that is suitable in size to the long strip-shaped grooves 17. When the second cap 4 is rotated, the positioning block 18 can enter any long strip-shaped groove 17 or leave the long strip-shaped groove 17. The inner peripheral wall of the second cap 4 is provided with three long strip-shaped grooves 17. Through the cooperation of the positioning block 18 and the long strip-shaped grooves 17, the second cap 4 can be positioned at three fixed positions (the second cap 4 is positioned once every 120° of rotation). When the second cap 4 is at the three fixed positions, the lead outlet hole 5 is aligned with the closing label 21 or any specification label 20. It can be understood that the number of long strip-shaped grooves 17 should be one more than the number of through holes 6. Such an arrangement provides clear tactile and audible feedback (for example, a "click" sound) when the second cap 4 is rotated to each positioning point, so that the user can clearly know that the second cap 4 has reached the predetermined position.

[0045] Preferably, the hollow part 19 is a U-shaped structure, and the positioning block 18 is arranged in the area enclosed by the U-shaped structure. Such an arrangement allows the area where the positioning block 18 is located to deform within a certain range, thereby allowing the positioning block 18 to smoothly enter any long strip-shaped groove 17 or leave the long strip-shaped groove 17.

[0046] Example 2

[0047] Please refer to Figure 1 , Figures 6-9 As shown, this embodiment provides a pencil lead storage box, including a shell 2 and a cap assembly 1. The shell 2 has an opening at the top, and the cap assembly 1 is detachably closed at the opening. A partition 22 is provided in the inner cavity of the shell 2. Specifically, the partition 22 is composed of three rectangular plates. One side of each plate intersects at the axis of the shell 2, and the other side abuts against the inner wall of the shell 2. The included angle between any two of the three plates is 120°. The three plates evenly divide the inner cavity of the shell 2 into three cavities for accommodating pencil leads, and the three cavities are respectively connected to the opening. The cap assembly 1 includes a first cap 3 and a second cap 4. The second cap 4 is rotatably disposed outside the first cap 3. The first cap 3 has through holes 6 corresponding to the three cavities. The through holes 6 are arranged along the circumference of the first cap 3. The second cap 4 is provided with lead outlet holes 5 for axial alignment with at least one through hole 6. The partition 22 divides the inner cavity of the housing 2 into three cavities, enabling the classification and storage of pencil leads. This makes it easier for users to distinguish between different specifications of pencil leads and avoids inconvenience caused by mixed storage. In terms of retrieval, the through hole 6 of the first cap 3 corresponds to the cavity. By rotating the second cap 4, the lead outlet hole 5 is aligned with the through hole 6, thereby precisely controlling the lead to be dispensed from a specific cavity and improving retrieval efficiency.

[0048] Furthermore, each through hole 6 is provided with a specification label 20, which is located inside the through hole 6. Each specification label 20 is arranged radially along the first cap 3 and is positioned above the corresponding cavity. The lead outlet hole 5 is an oblong hole, the length of which is greater than or equal to the length of the specification label 20. This ensures that when the second cap 4 is rotated to adjust the alignment of the lead outlet hole 5 with the through hole 6, the specification label 20 remains visible, allowing the user to know the specifications of the pencil lead inside the corresponding cavity. Specifically, the specification label 20 indicates the color, thickness, hardness, etc., of the pencil lead in the corresponding cavity, such as HB, 2B, 0.5mm, 0.7mm, red, blue, etc. In addition, a closing label 21 is also provided radially along the first cap 3, positioned between any two specification labels 20, with the length of the oblong hole greater than or equal to the length of the closing label 21. The closing label 21 provides users with a clear and intuitive indication of closure. When the second cap 4 is rotated to the position corresponding to the lead outlet 5 and the closing label 21, the user can clearly know that the pencil lead storage box is closed and the lead outlet channel is blocked. This effectively avoids the accidental spillage of pencil leads or the entry of dust due to misjudging the opening or closing status of the storage box.

[0049] The main body 7 is provided with a hollow part 19, and a positioning block 18 is provided near the hollow part 19. The positioning block 18 is located on the outer peripheral wall of the main body 7. The inner peripheral wall of the second cap 4 is provided with four elongated grooves 17 extending along its axial direction. The positioning block 18 cooperates with the elongated grooves 17 to position the rotating second cap 4.

[0050] Other technical features of this implementation are the same as those of Embodiment 1, and will not be repeated here.

[0051] Example 3

[0052] Please refer to Figure 1 , Figures 10-13 As shown, this embodiment provides a pencil lead storage box, including a shell 2 and a cap assembly 1. The shell 2 has an opening at the top, and the cap assembly 1 is detachably closed at the opening. A partition 22 is provided in the inner cavity of the shell 2. Specifically, the partition 22 is composed of four rectangular plates. One side of each plate intersects at the axis of the shell 2, and the other side abuts against the inner wall of the shell 2. The included angle between each pair of the four plates is 90°. The four plates evenly divide the inner cavity of the shell 2 into four cavities for accommodating pencil leads. The four cavities are respectively connected to the opening. The cap assembly 1 includes a first cap 3 and a second cap 4. The second cap 4 is rotatably disposed outside the first cap 3. The first cap 3 has through holes 6 corresponding to the four cavities. The through holes 6 are arranged along the circumference of the first cap 3. The second cap 4 is provided with lead outlet holes 5 for axial alignment with at least one through hole 6. The partition 22 divides the inner cavity of the housing 2 into four cavities, enabling the classification and storage of pencil leads. This makes it easier for users to distinguish between different specifications of pencil leads and avoids inconvenience caused by mixed storage. In terms of retrieval, the through hole 6 of the first cap 3 corresponds to the cavity. By rotating the second cap 4, the lead outlet hole 5 is aligned with the through hole 6, thereby precisely controlling the lead to be dispensed from a specific cavity and improving retrieval efficiency.

[0053] Further, each through hole 6 is provided with a specification label 20, the specification label 20 is arranged on the inner side of the through hole 6, each specification label 20 is arranged along the radial direction of the first cap 3, and each specification label 20 is arranged above the corresponding cavity. The lead outlet hole 5 is a waist-shaped hole, and the length of the waist-shaped hole is greater than or equal to the length of the specification label 20. In this way, when the second cap 4 is rotated to adjust the alignment of the lead outlet hole 5 and the through hole 6, the specification label 20 is always within the visible range, so that the user knows the specification of the pencil core in the corresponding cavity. Specifically, the specification label 20 is a label of the color, thickness, hardness, etc. of the pencil core in the corresponding cavity, such as: HB, 2B, 0.5mm, 0.7mm, red, blue, etc. In addition, a closing label 21 is arranged along the radial direction of the first cap 3, and the closing label 21 is arranged between any two specification labels 20. The length of the waist-shaped hole is greater than or equal to the length of the closing label 21. The provision of the closing label 21 provides a clear and intuitive closing label for the user. When the second cap 4 is rotated to the position corresponding to the closing label 21, the user can clearly know that the pencil core storage box is in a closed state at this time, and the lead outlet channel is blocked. This effectively avoids the situation that the lead core is scattered or dust enters due to misjudgment of the opening and closing state of the storage box.

[0054] The main body part 7 is provided with a hollow part 19, and a positioning clamping block 18 is arranged near the hollow part 19. The positioning clamping block 18 is arranged on the outer peripheral wall of the main body part 7. The inner peripheral wall of the second cap 4 is spaced apart and provided with five long strip-shaped grooves 17 extending along the axial direction. The positioning clamping block 18 cooperates with the long strip-shaped groove 17 to position the rotating second cap 4.

[0055] The other technical features of the embodiment are the same as those of embodiment 1, which will not be described here.

[0056] The above has described the present application in detail, and the principle and implementation mode of the present application have been described by applying specific examples. The above description of the embodiments is only used to help understand the present application and the core idea. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application. These improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A pencil lead storage case characterized by comprising: The application relates to a pencil case, which comprises a shell (2) and a cap assembly (1), the upper part of the shell (2) is provided with an opening, the cap assembly (1) is detachably closed on the opening, a partition (22) is arranged in the inner cavity of the shell (2), the inner cavity of the shell (2) is divided into at least two cavities for containing pencil cores, the cavities are communicated with the opening, the cap assembly (1) comprises a first cap (3) and a second cap (4), the second cap (4) is rotationally arranged outside the first cap (3), the first cap (3) is provided with through holes (6) corresponding to the cavities, the through holes (6) are arranged along the circumferential direction of the first cap (3), and the second cap (4) is provided with lead outlets (5) axially aligned with at least one through hole (6).

2. The lead storage case according to claim 1, wherein The first cap (3) comprises a cylindrical main body (7), the outer circumferential wall of the main body (7) is provided with a first annular contact surface and a first annular recess (8) continuously extending along the circumferential direction of the main body (7), the first annular contact surface is arranged at the transition between the main body (7) and the first annular recess (8), the opening of the shell (2) is provided with a second annular contact surface (9), the first annular recess (8) is sleeved in the shell (2) and is in contact with the inner wall of the shell (2), and the first annular contact surface is in contact with the second annular contact surface (9).

3. The lead storage case according to claim 2, wherein The second annular contact surface (9) extends downward to form a limiting recess (10), the first annular contact surface extends downward to form a limiting protrusion (11), and the limiting recess (10) and the limiting protrusion (11) are matched to limit the circumferential direction of the first cap (3).

4. The lead storage case of claim 1, wherein The shell (2) comprises a cylindrical body (12), the outer circumferential wall of the body (12) is provided with a third annular contact surface (14) and a second annular recess (13) continuously extending along the circumferential direction of the body (12), the third annular contact surface (14) is arranged at the transition between the body (12) and the second annular recess (13), one end of the second cap (4) is provided with an opening, the opening is provided with a fourth annular contact surface, and after the second cap (4) is closed on the shell (2), the fourth annular contact surface is in contact with the third annular contact surface (14).

5. The lead storage case of claim 4, wherein The second annular recess (13) is provided with a first annular protrusion (15), the outer circumferential wall of the first annular protrusion (15) is a smooth arc-shaped surface, the inner circumferential wall of the second cap (4) is provided with a first annular groove (16), and the first annular groove (16) and the first annular protrusion (15) are matched to limit the axial direction of the second cap (4).

6. The lead storage case of claim 2, wherein The main body (7) is provided with a hollow part (19), a positioning clamping block (18) is arranged near the hollow part (19), the positioning clamping block (18) is arranged on the outer circumferential wall of the main body (7), the inner circumferential wall of the second cap (4) is arranged with at least three strip-shaped grooves (17) extending along the axial direction, and the positioning clamping block (18) and the strip-shaped grooves (17) are matched to position the rotating second cap (4).

7. The lead storage container of claim 6, wherein The hollow part (19) is a U-shaped structure, and the positioning clamping block (18) is arranged in the area enclosed by the U-shaped structure.

8. The lead storage case of claim 1, wherein Each through hole (6) is provided with a specification label (20) arranged on the inner side of the through hole (6), each specification label (20) is arranged along the radial direction of the first cap (3), the lead outlet hole (5) is a waist-shaped hole, and the length of the waist-shaped hole is greater than or equal to the length of the specification label (20).

9. The lead storage case of claim 1, wherein The barrier (22) is a rectangular plate body arranged along the diameter direction of the inner cavity of the shell (2), which uniformly divides the inner cavity of the shell (2) into two cavities for accommodating pencil cores.

10. The lead storage case of claim 1, wherein The barrier (22) is composed of three rectangular plate bodies, one side edge of each plate body meets at the axis position of the shell (2), and the other side edge abuts against the inner wall of the shell (2) respectively; the included angle between any two of the three plate bodies is 120°, and the three plate bodies uniformly divide the inner cavity of the shell (2) into three cavities for accommodating pencil cores. The barrier (22) is composed of three rectangular plate bodies, one side edge of each plate body meets at the axis position of the shell (2), and the other side edge abuts against the inner wall of the shell (2) respectively; the included angle between any two of the three plate bodies is 120°, and the three plate bodies uniformly divide the inner cavity of the shell (2) into three cavities for accommodating pencil cores.

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