Granular furnace material box and granular furnace

By adopting a connecting shaft and fixed seat design in the pellet furnace feed box, the problem of inconvenient installation and disassembly of the box cover is solved, enabling quick disassembly and installation and improving the user experience.

CN223751621UActive Publication Date: 2026-01-02GUANGDONG VANWARD ELECTRIC
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Patent Information

Application Number
CN202520201502.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-01-02
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

The existing pellet furnace feed box lid is inconvenient to install and remove, affecting the user experience, and a place needs to be found to put the lid after it is opened.

Method used

A pellet furnace feed box was designed, which adopts a structure in which a connecting shaft and a fixed base are matched. The connecting shaft is detachably connected to the connecting part of the box cover. The box cover can be opened or closed by lifting and rotating the connecting shaft. After the box cover is opened, it is still connected to the box body through the connecting shaft and the fixed base.

Benefits of technology

It enables quick disassembly and installation of the lid, improving the user experience and avoiding the problem of having to find a place to put the lid after it is opened.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of particle furnaces, and discloses a particle furnace charge box and a particle furnace, and the particle furnace charge box comprises a box body, a box cover, a fixed seat and a connecting shaft, a mounting hole is formed in the fixed seat and extends along the height direction of the box body; the lower end of the connecting shaft is movably arranged in the mounting hole in a penetrating mode, the connecting shaft can rotate relative to the mounting hole, and the upper end of the connecting shaft is detachably connected with the connecting part. When the box cover needs to be opened, the connecting shaft is lifted upwards, the connecting shaft drives the box cover to move upwards, then the connecting shaft is rotated, the box cover is synchronously driven to rotate towards the outside of the box body, and then the box cover can be opened. When the box cover needs to be detached, the upper end of the connecting shaft is detached from the connecting part, the box cover can be taken down from the box body, rapid detachment of the box cover is achieved, and the box body and the box cover can be cleaned conveniently after the box cover is detached. And after cleaning is completed, the upper end of the connecting shaft is connected to the connecting part, installation of the box cover is completed, and the box cover is convenient to install and detach.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pellet stove technical field, in particular to a kind of pellet stove feed bin and pellet stove. BACKGROUND

[0002] Pellet stove is the equipment using wood, straw, cornstalk etc. The combustion of granular raw material generates heat to achieve the effect of barbecue food. Pellet stove generally includes feed bin, transmission structure and cylinder etc. Structure. Among them, feed bin is used to store granular raw material, the upper portion of feed bin is provided with box cover, one kind of box cover in prior art is hinged on box body by hinge, box cover installation and disassembly are inconvenient, it is not convenient to quickly disassemble box cover to clean box body and box cover;Another kind of box cover in prior art is directly buckled on the upper portion of box body, box cover is completely separated from box body after being opened, need to find another place to place box cover, affect user experience. SUMMARY

[0003] The first technical problem solved by the utility model is to provide a pellet stove feed bin, which effectively improves the installation and disassembly efficiency of the pellet stove feed bin box cover, can quickly disassemble the box cover to clean the box body and the box cover, and does not need to place the box cover additionally, can improve user experience.

[0004] The first technical problem is solved by the following technical scheme:

[0005] A pellet stove feed bin, comprising:

[0006] Box body;

[0007] Box cover, detachable cover is provided on the box body, the box cover includes cover body and connecting portion arranged on one side of the cover body along the radial direction of the cover body;

[0008] Fixed seat, provided on the box body;The fixed seat is provided with mounting hole, and the mounting hole extends along the height direction of the box body;

[0009] Connecting shaft, lower end movably penetrates in the mounting hole, and the connecting shaft can rotate relative to the mounting hole, and the upper end of the connecting shaft is detachably connected with the connecting portion.

[0010] The granular furnace charging box has the beneficial effects that when the box cover needs to be opened, the connecting shaft is lifted up, the connecting shaft drives the box cover to move up, the connecting shaft is rotated again, and the box cover is rotated outward simultaneously, so that the box cover can be opened; after the box cover is opened, the box cover is still connected to the box body through the connecting shaft and the fixing seat, and the box cover does not need to be placed elsewhere, so that the user experience can be effectively improved. When the box cover needs to be disassembled, the upper end of the connecting shaft is disassembled from the connecting part, the connecting shaft is disassembled from the box cover, and then the box cover can be taken off from the box body, so that the box cover can be quickly disassembled, and the box body and the box cover can be conveniently cleaned after the box cover is disassembled. After cleaning is completed, the upper end of the connecting shaft is connected to the connecting part, and the installation of the box cover is completed, so that the box cover can be conveniently installed and disassembled.

[0011] In one of the embodiments, the connecting shaft comprises a shaft body and an operating handle, the lower end of the shaft body is movably arranged in the mounting hole, the upper end of the shaft body is arranged on the connecting part, and the operating handle is detachably connected to the shaft body above the connecting part and clamps the connecting part.

[0012] In one of the embodiments, the upper end of the shaft body is provided with a stepped surface, the stepped surface abuts against the lower surface of the connecting part, and the lower end of the operating handle abuts against the upper surface of the connecting part.

[0013] In one of the embodiments, the operating handle comprises a handle part and a connecting sleeve, the connecting sleeve is threadedly connected to the upper end of the shaft body, the upper surface of the connecting part is provided with a gasket arranged around the shaft body, and the lower surface of the connecting sleeve abuts against the gasket.

[0014] In one of the embodiments, the lower end of the shaft body is provided with an abutting piece, the fixing seat is provided with a limiting part arranged in the mounting hole, and the abutting piece abuts against the limiting part when the connecting shaft is lifted up to the highest position.

[0015] In one of the embodiments, the diameter of the mounting hole at the upper part is smaller than the diameter of the mounting hole at the lower part, and the limiting part is formed at the variable-diameter section of the mounting hole.

[0016] In one of the embodiments, the abutting piece is detachably connected to the shaft body.

[0017] In one of the embodiments, a guide plate is further included, the outer edge of the lower surface of the connecting part and the cover body is provided with a flange, the guide plate is connected to the flange, the guide plate is arranged above and below the lower surface of the connecting part, the guide plate is provided with a guide hole, and the upper end of the connecting shaft is arranged in the guide hole.

[0018] In one of the embodiments, an arc-shaped guide part extending upward is arranged at the hole wall of the guide hole.

[0019] The second technical problem solved by this utility model is to provide a pellet furnace that effectively improves the installation and disassembly efficiency of the pellet furnace feed box cover, allowing for quick disassembly of the cover for cleaning the box body and cover.

[0020] The second technical problem mentioned above is solved by the following technical solution:

[0021] A pellet furnace includes the pellet furnace feed box of the above embodiment.

[0022] Compared with the prior art, the pellet furnace of this utility model has the following advantages: When the pellet furnace feed box is applied to the pellet furnace of this embodiment, the upper end of the connecting shaft is detachably connected to the connection part of the box cover, and the lower end of the connecting shaft is movably inserted into the mounting hole. When the box cover needs to be opened, the connecting shaft is lifted, causing the box cover to move upwards. Then, the connecting shaft is rotated, simultaneously causing the box cover to rotate outwards towards the outside of the box, thus opening the box cover. After the box cover is opened, it remains connected to the box body via the connecting shaft and the fixing seat, eliminating the need for a separate place to store the box cover and effectively improving the user experience. When the box cover needs to be removed, the upper end of the connecting shaft is detached from the connection part, allowing the box cover to be removed from the box body quickly. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of a pellet furnace feed box with its lid in a closed state, according to an embodiment of the present invention.

[0025] Figure 2 for Figure 1 The exploded view of the pellet furnace charge box shown;

[0026] Figure 3 for Figure 1 A schematic diagram showing the connection between the connecting shaft, the box cover, and the fixed seat in the medium-particle furnace charge box;

[0027] Figure 4 for Figure 1 The diagram shows the granular furnace feed box lid when it is opened to the first angle.

[0028] Figure 5 for Figure 1 A schematic diagram showing the pellet furnace feed box lid open to the second angle;

[0029] Figure 6 For Figure 1 Schematic view of cooperation between the middle box cover and the guide plate.

[0030] Explanation of reference signs:

[0031] 1, box; 2, cover; 21, cover body; 22, connecting part; 23, flange; 3, fixing seat; 31, mounting hole; 32, limiting part; 4, connecting shaft; 41, shaft body; 411, step surface; 42, operating handle; 421, handle part; 422, connecting sleeve; 43, abutting piece; 5, gasket; 6, guide plate; 61, guide hole; 62, arc surface guide part. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0035] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] As Figure 1As shown, in the normal placement state of the particle furnace charging box, the side of each structure facing the upper portion of the box body 1 is called the upper portion, and the side of each structure facing the lower portion of the charging box is called the lower portion.

[0037] The embodiments of the present application are described below in combination with Figures 1 to 6 .

[0038] According to the embodiments of the present application, on the one hand, a particle furnace charging box is provided, which comprises a box body 1, a box cover 2, a fixing seat 3, and a connecting shaft 4.

[0039] The box cover 2 is detachably arranged on the box body 1, and the box cover 2 comprises a cover body 21 and a connecting portion 22 protruding radially from one side of the cover body 21; the fixing seat 3 is arranged on the box body 1; the fixing seat 3 is provided with a mounting hole 31 extending along the height direction of the box body 1; the lower end of the connecting shaft 4 is movably arranged in the mounting hole 31, and the connecting shaft 4 is rotatable relative to the mounting hole 31; and the upper end of the connecting shaft 4 is detachably connected with the connecting portion 22.

[0040] In this structure of the particle furnace charging box, the upper end of the connecting shaft 4 is detachably connected with the connecting portion 22 of the box cover 2, and the lower end of the connecting shaft 4 is movably arranged in the mounting hole 31. When it is necessary to open the box cover 2, the connecting shaft 4 is lifted up, the connecting shaft 4 drives the box cover 2 to move upwards, the connecting shaft 4 is rotated, and the box cover 2 is simultaneously driven to rotate towards the outside of the box body 1, so that the box cover 2 can be opened. After the box cover 2 is opened, the box cover 2 is still connected to the box body 1 through the connecting shaft 4 and the fixing seat 3, and it is not necessary to find another place to place the box cover 2, which can effectively improve the user experience. When it is necessary to detach the box cover 2, the upper end of the connecting shaft 4 is detached from the connecting portion 22, so that the connecting shaft 4 is detached from the box cover 2, and then the box cover 2 can be removed from the box body 1, so that the box cover 2 can be quickly detached, and the box body 1 and the box cover 2 can be conveniently cleaned after the box cover 2 is detached. After cleaning is completed, the upper end of the connecting shaft 4 is connected to the connecting portion 22, and the installation of the box cover 2 is completed. The box cover 2 is convenient to install and detach.

[0041] In some optional embodiments, as shown in Figure 3 and Figure 5 , the connecting shaft 4 comprises a shaft body 41 and an operating handle 42, the lower end of the shaft body 41 is movably arranged in the mounting hole 31, the upper end of the shaft body 41 is arranged in the connecting portion 22, the operating handle 42 is detachably connected to the portion of the shaft body 41 above the connecting portion 22, and the operating handle 42 and the shaft body 41 cooperatively clamp the connecting portion 22. The operating handle 42 is gripped to lift up or rotate the shaft body 41, so as to drive the box cover 2 to move upwards or rotate, which is convenient to operate and to open and close the box cover 2. The shaft body 41 is kept relatively fixed with the connecting portion 22, and the shaft body 41 is lifted up or rotated to drive the box cover 2 to move upwards or rotate.

[0042] In some optional embodiments, as shown in Figure 3As shown, the upper end of the shaft 41 has a stepped surface 411, which abuts against the lower surface of the connecting part 22. The lower end of the operating handle 42 abuts against the upper surface of the connecting part 22. The shaft 41 is fixed to the connecting part 22 by the cooperation of the operating handle 42 and the stepped surface 411, so that the cover 2, the shaft 41, and the operating handle 42 remain relatively fixed. The connection structure is simple and convenient for lifting or rotating the operating handle 42 to move or rotate the cover 2 synchronously. When it is necessary to remove the cover 2, the operating handle 42 is removed from the shaft 41, and the cover 2 can be moved upward to pull the shaft 41 out of the connecting part 22, realizing the quick removal of the cover 2. The connecting part 22 has a through hole for the upper end of the shaft 41 to pass through.

[0043] In some other embodiments, the upper part of the shaft 41 is threaded into the through hole of the connecting part 22 so that the cover 2 and the shaft 41 are kept relatively fixed. The shaft 41 is connected to the operating handle 42 and kept relatively fixed. Moving the operating handle 42 drives the shaft 41 and the cover 2 to move synchronously.

[0044] like Figure 3 As shown, in some embodiments, the operating handle 42 includes a handle portion 421 and a connecting sleeve 422. The connecting sleeve 422 is threadedly connected to the upper end of the shaft 41. The upper surface of the connecting portion 22 is provided with a washer 5 surrounding the shaft 41, and the lower surface of the connecting sleeve 422 abuts against the washer 5. The operating handle 42 is threadedly connected to the connecting shaft, and the connection structure is simple and reliable, facilitating quick disassembly and installation of the cover 2.

[0045] In this embodiment, the diameter of the shaft 41 at the upper part of the stepped surface 411 is smaller than the diameter of the shaft 41 at the lower part of the stepped surface 411. The shaft 41 at the upper part of the stepped surface 411 extends upward to the upper part of the connecting part 22. The shaft 41 at the upper part of the stepped surface 411 is provided with an external thread. The connecting sleeve 422 is provided with a connecting hole in the middle. The hole wall of the connecting hole is provided with an internal thread. The external thread and the internal thread cooperate to realize the detachable connection between the operating handle 42 and the shaft 41.

[0046] In some other embodiments, the shaft 41 has a slot on the section above the connecting part 22, and the lower end of the operating handle 42 has a buckle. The buckle is engaged with the slot to realize the detachable connection between the operating handle 42 and the shaft 41.

[0047] like Figures 1 to 5 As shown, the handle portion 421 is a circular handle, which is convenient for the operator to grip. In some embodiments, such as Figure 3As shown, the lower end of the shaft body 41 is provided with an abutting member 43, the fixing seat 3 is provided with a limiting portion 32 which is located in the mounting hole 31, and the abutting member 43 abuts against the limiting portion 32 when the connecting shaft 4 is lifted to the highest position. This arrangement can prevent the shaft body 41 from being separated from the fixing seat 3, thereby preventing the box cover 2 from being completely separated from the box body 1.

[0048] In some alternative embodiments, as shown in FIG. 2, the mounting hole 31 is provided with a limiting portion 32 in the form of a limiting ring. Figure 3 As shown, the upper portion of the mounting hole 31 has a smaller diameter than the lower portion, and the limiting portion 32 is formed at the variable-diameter section of the mounting hole 31. The limiting portion 32 is formed by changing the diameter of the mounting hole 31, and the limiting structure is simple and reliable.

[0049] Further, the upper portion of the mounting hole 31 has a slightly larger diameter than the shaft body 41, and the shaft body 41 slides along the hole wall of the mounting hole 31 during upward movement, which can serve as a guide to ensure smooth upward and downward sliding of the shaft body 41.

[0050] In other embodiments, the mounting hole 31 has the same diameter at the upper and lower portions, and a limiting ring is arranged at the upper portion of the mounting hole 31 as the limiting portion 32.

[0051] In some alternative embodiments, the abutting member 43 is detachably connected to the shaft body 41. When the connecting shaft 4 is installed, the lower end of the shaft body 41 is first inserted into the mounting hole 31 from top to bottom, and then the abutting member 43 is connected to the lower end of the shaft body 41 to prevent the shaft body 41 from being pulled out from above the fixing seat 3. The upper end of the shaft body 41 is inserted through the through hole of the connecting portion 22, and the shaft body 41 at the upper portion of the connecting portion 22 is threadedly connected to the operating handle 42 to fix the shaft body 41 to the box cover 2. The abutting member 43 is detachably connected to the shaft body 41, which facilitates the insertion of the shaft body 41 into the mounting hole 31 from top to bottom, and the lower end of the shaft body 41 can smoothly pass through the limiting portion 32. After the shaft body 41 is inserted into the mounting hole 31, the abutting member 43 is installed.

[0052] Alternatively, in some embodiments, the abutting member 43 includes a screw and a gasket, the gasket abuts against the end face of the lower end of the shaft body 41, and the screw is connected to the bottom of the shaft body 41 and abuts against the gasket. The outer periphery of the gasket protrudes from the outer peripheral wall of the shaft body 41, and the diameter of the gasket is larger than the diameter of the mounting hole 31 at the limiting portion 32.

[0053] In other embodiments, the abutting member 43 can also be integrally provided with the shaft body 41, and the abutting member 43 is arranged at the end face of the lower end of the shaft body 41. The abutting member 43 is in the form of a disc, and the diameter of the abutting member 43 is larger than the diameter of the shaft body 41. In this case, the shaft body 41 is inserted from the bottom of the fixing seat 3 so that the abutting member 43 avoids the limiting portion 32 in the mounting hole 31.

[0054] As shown in FIG. 3, the abutting member 43 is in the form of a disc, and the diameter of the abutting member 43 is larger than the diameter of the shaft body 41. Figure 3 and Figure 6As shown, in some embodiments, the granular furnace charging box further comprises a guide plate 6; the outer edge of the lower surface of the cover body 21 and the connecting portion 22 is provided with a flange 23, the guide plate 6 is connected to the flange 23, and the guide plate 6 is arranged in an up-down interval with the lower surface of the connecting portion 22. The guide plate 6 is provided with a guide hole 61, and the upper end of the connecting shaft 4 is arranged in the guide hole 61, that is, the upper end of the shaft body 41 is arranged in the guide hole 61, and the upper end of the shaft body 41 abuts against the hole wall of the guide hole 61, so that the upper end of the shaft body 41 can be guided. The guide hole 61 cooperates with the mounting hole 31 with a smaller diameter at the upper part of the phase portion, and at the same time, the shaft body 41 is limited, so that the shaft body 41 can be effectively prevented from shaking during movement.

[0055] As shown in Figure 6 , the outer peripheral wall of the guide plate 6 tightly abuts against the flange 23 in the region of the connecting portion 22. In some alternative embodiments, the guide plate 6 is welded to the flange 23.

[0056] As shown in Figure 3 and Figure 6 , the hole wall of the guide hole 61 is provided with an upwardly extending arc surface guide portion 62. When the upper end of the shaft body 41 is inserted into the guide hole 61, the arc surface guide portion 62 guides the shaft body 41 into the guide hole 61, which is beneficial to improve the installation efficiency and convenience of the shaft body 41.

[0057] In some embodiments, as shown in Figure 5 , the fixing seat 3 is detachably installed on the box body 1 by fasteners. The fixing seat 3 extends along the height direction of the box body 1, and correspondingly, the mounting hole 31 extends along the height direction of the box body 1, and the mounting hole 31 extends downward to the middle region in the height direction of the box body 1, as shown in Figure 3 , the box cover 2 is in a closed state, the lower end of the shaft body 41 extends to the lower region of the mounting hole 31, and the shaft body 41 is stably retained on the fixing seat 3.

[0058] As shown in Figure 1 , Figure 4 and Figure 5As shown, the box cover 2 is in a closed state, the flange 23 abuts the outer edge of the opening of the box body 1, and the box cover 2 cannot be rotated and opened. When the box cover 2 needs to be opened, the operating handle 42 is lifted to synchronously drive the shaft body 41 and the box cover 2 to move upwards, so that the flange 23 is higher than the box body 1, and then the operating handle 42 is rotated to synchronously drive the box cover 2 to rotate away from the box body 1, and the handle is released after the box cover 2 is rotated to a predetermined angle, and the box cover 2 automatically falls under the action of gravity. When the projection of the cover body 21 on the box body 1 is located inside the box body 1, the flange 23 at the lower side of the cover body 21 abuts the top of the box body 1, and the positioning of the box cover 2 is realized; when the cover body 21 is completely located outside the box body 1, the guide plate 6 abuts the top surface of the fixed seat 3 after the box cover 2 falls, the lower end of the shaft body 41 extends to the lower region of the mounting hole 31, and the fixed seat 3 at the upper part of the limiting portion 32 limits the middle and upper segments of the shaft body 41, so that the shaft body 41 is stably retained on the fixed seat 3, thereby stably retaining the box cover 2 on the fixed seat 3, and the fixed seat 3 can stably support the box cover 2 to realize the positioning of the box cover 2.

[0059] According to the embodiments of the present application, on the other hand, a particle furnace is also provided, which comprises the particle furnace hopper as described above.

[0060] The particle furnace with the above structure is characterized in that the upper end of the connecting shaft 4 of the hopper is detachably connected with the connecting portion 22 of the box cover 2, and the lower end of the connecting shaft 4 is movably arranged in the mounting hole 31. When the box cover 2 needs to be opened, the connecting shaft 4 is lifted to drive the box cover 2 to move upwards, and then the connecting shaft 4 is rotated to synchronously drive the box cover 2 to rotate outwardly away from the box body 1, so that the box cover 2 can be opened. After the box cover 2 is opened, the box cover 2 is still connected with the box body through the connecting shaft 4 and the fixed seat 3, and there is no need to find another place to place the box cover 2, which can effectively improve the user experience. When the box cover 2 needs to be detached, the upper end of the connecting shaft 4 is detached from the connecting portion 22, and then the box cover 2 can be taken out from the box body 1, so that the box cover 2 can be quickly detached, and the box body 1 and the box cover 2 can be conveniently cleaned after the box cover 2 is detached.

[0061] In the specific contents of the above specific embodiments, any combination of technical features can be made without contradiction. In order to make the description simple, all possible combinations of the above technical features are not described, but as long as the combination of the technical features does not exist, it should be considered as the scope of the present application.

[0062] The specific contents of the above specific embodiments only express several embodiments of the present application, which are described in detail, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A granular charge bin characterized by, include: Box (1); The box cover (2) is detachably mounted on the box body (1). The box cover (2) includes a cover body (21) and a connecting part (22) that protrudes radially along the cover body (21) and is disposed on one side of the cover body (21). A fixing base (3) is provided on the box body (1); the fixing base (3) is provided with a mounting hole (31) which extends along the height direction of the box body (1); The lower end of the connecting shaft (4) is movably inserted into the mounting hole (31), and the connecting shaft (4) is rotatable relative to the mounting hole (31). The upper end of the connecting shaft (4) is detachably connected to the connecting part (22).

2. The particulate furnace charge bin of claim 1, wherein, The connecting shaft (4) includes a shaft body (41) and an operating handle (42). The lower end of the shaft body (41) is movably inserted into the mounting hole (31), and the upper end of the shaft body (41) is inserted into the connecting part (22). The operating handle (42) is detachably connected to a section of the shaft body (41) located above the connecting part (22) and clamps the connecting part (22).

3. The particulate furnace charge bin of claim 2, wherein, The upper end of the shaft (41) is provided with a stepped surface (411), which abuts against the lower surface of the connecting part (22), and the lower end of the operating handle (42) abuts against the upper surface of the connecting part (22).

4. The particulate furnace charge bin of claim 3, wherein, The operating handle (42) includes a handle part (421) and a connecting sleeve (422). The connecting sleeve (422) is threadedly connected to the upper end of the shaft (41). The upper surface of the connecting part (22) is provided with a washer (5) surrounding the shaft (41). The lower surface of the connecting sleeve (422) abuts against the washer (5).

5. The particulate furnace charge bin of any one of claims 2 to 4, wherein, The lower end of the shaft (41) is provided with an abutment (43), and the fixed seat (3) is provided with a limiting part (32) and the limiting part (32) is located in the mounting hole (31). When the connecting shaft (4) is raised to the highest position, the abutment (43) abuts against the limiting part (32).

6. The particulate furnace charge bin of claim 5, wherein, The upper diameter of the mounting hole (31) is smaller than the lower diameter, and the limiting part (32) is formed at the variable diameter section of the mounting hole (31).

7. The particulate furnace charge bin of claim 5, wherein, The abutment (43) is detachably connected to the shaft (41).

8. The particulate furnace charge bin of any one of claims 1 to 4, wherein, It also includes a guide plate (6); the outer edge of the lower surface of the cover body (21) and the connecting part (22) is provided with a flange (23), the guide plate (6) is connected to the flange (23), and the guide plate (6) and the lower surface of the connecting part (22) are spaced apart vertically, the guide plate (6) is provided with a guide hole (61), and the upper end of the connecting shaft (4) passes through the guide hole (61).

9. The particulate furnace charge bin of claim 8, wherein, The guide hole (61) has an upwardly extending arc-shaped guide portion (62) on its hole wall.

10. A granulating furnace characterized by comprising: Includes the pellet furnace charge box according to any one of claims 1 to 9.