CN219970622U - Vacuum smoldering pot and combined storage device - Google Patents

Abstract

The utility model discloses a vacuum smoldering pot and a combined storage device, wherein a cover assembly comprises an outer cover and an inner cover, wherein the inner cover is arranged in an open cavity, a sealing part at the periphery of the inner cover is abutted against the inner wall of the open cavity so as to enable an opening of a first pot body to be arranged in a sealing way, a check valve for vacuumizing is arranged on the inner cover, and a peripheral connecting part of the outer cover is connected with the edge of the opening of the first pot body; the outer cover is provided with a vacuumizing cavity, the vacuumizing cavity is communicated with a vacuumizing channel corresponding to the one-way valve, the second tank body is positioned below the first tank body, the fixed convex ring of the first tank body is sleeved on the cavity wall of the opening of the second tank body, the second tank body and the first tank body are arranged in a sealing mode, the one-way valve used for vacuumizing is arranged on the inner cover, so that the smoldering tank can be used as a vacuum storage tank when smoldering or heat preservation is not needed, vacuumizing is carried out under the condition that the cover assembly is not opened, the purpose of vacuum storage of stored objects is achieved, and occupied space is reduced.

Description

Vacuum smoldering pot and combined storage device

Technical Field

The utility model relates to the technical field of daily necessities and household necessities, in particular to a vacuum smoldering pot.

Background

The smoldering pot mainly smolders or keeps warm for objects or fluid contained in the first pot body, while the vacuum smoldering pot in the prior art, such as the smoldering pot with the clamping mechanism of patent publication No. CN209058860U, realizes short-term preservation of the objects or the fluid, and because the smoldering pot only realizes smoldering or heat preservation of food, the preservation of the taken goods only realizes short-term preservation, resulting in single use function, and can not realize preservation after vacuumizing as other goods when the smoldering or heat preservation is not carried out, the vacuum smoldering pot needs improvement.

Disclosure of Invention

The utility model aims to solve the defects of the technology and designs a vacuum smoldering pot.

The vacuum smoldering pot designed by the utility model has the specific structure as follows,

the first tank body comprises a containing cavity and an opening cavity, wherein the opening cavity is arranged at the opening of the first tank body, and the containing cavity and the opening cavity are mutually communicated.

The cover assembly comprises an outer cover and an inner cover, the inner cover is arranged in the open cavity, a sealing part on the periphery of the inner cover is abutted against the inner wall of the open cavity so as to enable the opening of the first tank body to be arranged in a sealing manner, a one-way valve for vacuumizing is arranged on the inner cover, and a peripheral connecting part of the outer cover is connected with the edge of the opening of the first tank body; the outer cover is provided with a vacuum pumping cavity, the part of the inner cover with the one-way valve and the part of the outer cover with the vacuum pumping cavity are mutually attached and sealed, and the vacuum pumping cavity is communicated with a vacuum pumping channel corresponding to the one-way valve.

And the cover plate is detachably arranged on the outer cover, and is at least partially positioned above the vacuum pumping cavity or covered on the vacuum pumping cavity.

According to the vacuum smoldering pot, the vacuum smoldering pot further comprises a foldable spoon, the outer cover is further provided with an accommodating cavity, the appearance of the accommodating cavity is matched with the appearance of the foldable spoon in a folded state, the accommodating cavity is located between the outer cover and the cover plate, and the foldable spoon is placed in the accommodating cavity.

According to the vacuum smoldering pot, the first convex ring is formed on the edge of the upper surface of the outer cover, the convex ring is formed by the upward protrusion of the edge of the outer cover, the vacuum pumping cavity is formed by the downward depression of the upper surface of the outer cover, the second convex ring is formed by the upward protrusion of the upper surface of the outer cover, the second convex ring is arranged around the vacuum pumping cavity, and the inner cavity of the second convex ring is a containing cavity.

According to the vacuum smoldering pot, the first convex ring is higher than the second convex ring, the appearance of the first convex ring is matched with the appearance of the cover plate, the inner side of the top end of the first convex ring is provided with a step along the circumferential direction, and the edge of the cover plate is erected on the step.

According to the vacuum smoldering pot, the top end of the first convex ring is provided with a notch to enable one side of the cover plate to be exposed, or a baffle ring arranged along the circumferential direction is formed on the inner surface of the cover plate near the edge of the cover plate, the baffle ring is arranged in a downward protruding way, and the baffle ring is detachably connected with the inner wall of the first convex ring through a buckle structure, or

The inner wall of the first convex ring is provided with a convex part, the periphery of the cover plate is provided with a concave part, and the convex part is correspondingly embedded in the concave part.

According to the vacuum smoldering pot, the protruding part is formed on the lower surface of the cover plate, and the protruding part is close to or props against the foldable spoon.

According to the vacuum smoldering pot described above, the check valve includes the shape elastomer, the through hole is formed in the inner cover, the longitudinal portion of the shape elastomer is inserted into the through hole, a gap is provided between the outer wall of the longitudinal portion of the shape elastomer and the inner wall of the through hole, the longitudinal portion of the shape elastomer is formed with a sealing step surface which is arranged along the circumferential direction, the sealing step surface is abutted against the upper surface of the inner cover, the edge of the transverse portion of the shape elastomer is tilted upward and abutted against the lower surface of the inner cover, the lower surface of the inner cover is provided with a plurality of mutually spaced bumps at the edge of the through hole, and the bumps are located between the transverse portion of the shape elastomer and the lower surface of the inner cover.

According to the vacuum smoldering pot, the vacuum smoldering pot further comprises a handle, and two ends of the handle are respectively and rotatably connected with two opposite sides of the outer wall of the first convex ring; the blocking part is arranged on the outer wall of the first convex ring, which is close to the connecting part of the handle, so that the handle is blocked and positioned when rotating to be vertical.

According to the vacuum smoldering pot, the edge of the outer cover protrudes downwards to form the connecting ring, the connecting ring is sleeved on the cavity wall of the opening cavity and is connected with the cavity wall of the opening cavity in a threaded manner, the edge of the inner cover forms the positioning ring, and the positioning ring is positioned between the outer cover and the top of the cavity wall of the opening cavity.

On the other hand, the combined storage device comprises a second tank body with a containing cavity and an open cavity and the vacuum smoldering tank, wherein the second tank body is positioned below the first tank body, a fixed convex ring is formed at the edge of the bottom of the first tank body of the vacuum smoldering tank, the fixed convex ring is sleeved on the open cavity wall of the second tank body and is in threaded connection with the open cavity wall of the second tank body, and a sealing body is arranged between the top of the open cavity wall of the second tank body and the bottom surface of the first tank body of the vacuum smoldering tank.

The vacuum smoldering pot designed by the utility model has the following beneficial effects:

1. the one-way valve for vacuumizing is arranged on the inner cover, so that the smoldering pot can be used as a vacuum storage pot when smoldering or heat preservation is not needed, and vacuumizing is performed under the condition that the cover assembly is not opened, and the aim of vacuum storage of the stored objects is fulfilled.

2. The accommodating cavity is arranged below the cover plate in detachable installation to place the foldable spoon, so that after the cans are carried out, the objects in the accommodating cavity of the first can body, such as powder, small granular objects or liquid, can be taken out through the spoon, and the purpose of convenient use is achieved.

3. The through hole is sealed by the shape elastomer which passes through after vacuumizing so as to prevent air leakage.

4. The apron passes through buckle structure and installs on the first bulge loop of enclosing cover for the apron is opened and is closed comparatively conveniently, and is reliable and stable moreover after closing, and the purpose of being convenient for the apron to open is convenient for take out for the ladle of apron below, promotes the performance of product.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a vacuum smoldering can;

FIG. 2 is a full cross-sectional view of the vacuum smoldering pot;

FIG. 3 is an exploded view of the vacuum smoldering pot;

FIG. 4 is a schematic view of the structure of the outer cover;

FIG. 5 is a schematic view of the inner cap structure;

FIG. 6 is a schematic diagram of a cover plate structure;

FIG. 7 is a schematic diagram of a combined memory device;

FIG. 8 is a full cross-sectional view of the modular storage device;

FIG. 9 is an exploded view of the combined storage device;

fig. 10 is an exploded view (two) of the combined storage device.

In the figure: the first tank body 1, the accommodating cavity 11, the opening cavity 12 and the fixing convex ring 13;

lid assembly 2, inner lid 20, check valve 200, through-hole 201, elastomer 202, bump 203, sealing step 204, boss 205, retainer ring 206, outer lid 21, first collar 210, boss 211, U-shaped groove 212, stopper 213, notch 214, step 215, second collar 216, receiving cavity 217, evacuation cavity 218, protrusion 219, connecting ring 220, snap groove 221, snap 34;

cover plate 3, projection 31, stopper ring 32, projection 33; a handle 4; a foldable spoon 5, a spoon body 51 and a rod body 52; a second tank 6; a sealing body 7;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Examples:

as shown in fig. 1, the vacuum smoldering pot described in this embodiment can be used when the smoldering food or food is required to be insulated, or when the vacuum insulation is required, the one-way valve 200 provided therein can be opened by using the vacuumizing device to vacuumize the first pot 1, so that the accommodating cavity 11 in the first pot 1 is in a vacuum state, and the smoldering pot is used as a vacuum preservation tool, specifically, the vacuum smoldering pot comprises the first pot 1, the cover assembly 2 and the cover plate 3 capable of vacuuming, and the vacuumizing device adopts any one of the commercially available technologies, which are not described herein.

The first tank body 1 comprises a containing cavity 11 and an opening cavity 12, the containing cavity 11 is mainly used for containing objects which need smoldering, heat preservation or vacuum preservation, the opening cavity 12 is arranged at the opening of the first tank body 1, the containing cavity 11 and the opening cavity 12 are mutually communicated, the first tank body 1 is generally made of stainless steel materials and used for smoldering or heat preservation, the first tank body 1 can be made of two layers of stainless steel layers, such as a first tank body 1 structure in a smoldering tank with a clamping mechanism with patent publication number CN209058860U is shown, and a vacuum state is arranged between the two layers of stainless steel layers so as to achieve an effective smoldering or heat preservation effect.

The cover assembly 2 comprises an outer cover 21 and an inner cover 20, the inner cover 20 is arranged in the open cavity 12, a silica gel sealing ring is sleeved at the bottom edge of the inner cover 20, the outer side wall of the silica gel sealing ring is tightly abutted against an annular protrusion positioned between the accommodating cavity 11 and the open cavity 12 in the first tank body 1, so that the opening of the first tank body 1 is arranged in a sealing manner, a check valve 200 for vacuumizing is arranged on the inner cover 20, and the peripheral connecting part of the outer cover 21 is connected with the opening edge of the first tank body 1; the outer cover 21 is provided with a vacuum pumping cavity 218, the part of the inner cover 20 provided with the check valve 200 and the part of the outer cover 21 provided with the vacuum pumping cavity 218 are mutually attached and sealed, the vacuum pumping cavity 218 is communicated and formed with a vacuum pumping channel corresponding to the position of the check valve 200, the check valve 200 comprises a shaped elastomer 202, the inner cover 20 is provided with a through hole 201, the longitudinal part of the shaped elastomer 202 penetrates through the through hole 201, a gap is reserved between the outer wall of the longitudinal part of the shaped elastomer 202 and the inner wall of the through hole 201, the longitudinal part of the shaped elastomer 202 is provided with a sealing step surface 204 arranged along the circumferential direction, the sealing step surface 204 is abutted against the upper surface of the inner cover 20, the edge of the transverse part of the shaped elastomer 202 is tilted upwards and abutted against the lower surface of the inner cover 20, the edge of the lower surface of the inner cover 20 positioned at the through hole 201 is provided with a plurality of lugs 203 which are mutually arranged at intervals, the bump 203 is located between the transverse portion of the shaped elastic body 202 and the lower surface of the inner cover 20, after the vacuumizing nozzle of the vacuumizing device is in sealing butt joint with the vacuumizing cavity 218, the vacuumizing device performs vacuumizing to enable the longitudinal portion of the shaped elastic body 202 to move upwards, so that the sealing step surface 204 is separated from the upper surface of the inner cover 20, the transverse portion of the shaped elastic body 202 deforms under the action of the bump 203, separation between the tilting portion of the transverse portion and the upper surface of the inner cover 20 is facilitated, air of the first tank 1 is pumped out through the space, the gaps, the vacuumizing channel and the vacuumizing cavity 218 between the bumps 203, a vacuum state in the first tank 1 is achieved, and after the vacuumizing device leaves, the shaped elastic body 202 enables the sealing step surface 204 to be in abutting sealing with the upper surface of the inner cover 20 under the elastic action, so that the air is prevented from entering the first tank 1, and the purpose of vacuum preservation is achieved. Is made of silica gel material

The cover plate 3 is detachably mounted on the outer cover 21, and the cover plate 3 is at least partially located above the vacuum pumping cavity 218 or covered on the vacuum pumping cavity 218, wherein the longitudinal portion of the elastic body 202 capable of being vacuumized or pulled up after the cover body is detached disables the vacuum state in the first can body 1, and the inner cover 20 is convenient to open after the outer cover 21 is opened after the vacuum state is disabled.

Further, the outer cover 21 is further provided with an accommodating cavity 217, a foldable spoon 5 in a folded state can be placed in the accommodating cavity 217, the appearance of the accommodating cavity 217 is matched with the appearance of the foldable spoon 5 in the folded state, the accommodating cavity 217 is located between the outer cover 21 and the cover plate 3, the foldable spoon 5 comprises a spoon body 51 and a plurality of rod bodies 52, the rod bodies 52 close to the spoon body 51 are hinged through vertical hinging shafts, the end parts of the rod bodies 52 close to the spoon body 51 are hinged through vertical pin shafts, the end parts of the adjacent rod bodies 52 are in a vertically stacked state, so that the plurality of rod bodies 52 are folded in a horizontal rotation mode during folding, or flexible connection is adopted between the plurality of rod bodies 52, and the rod bodies 52 close to the spoon body 51 are also in flexible connection with the end parts of the spoon body 51, so that the plurality of rod bodies 52 are folded in a folding mode during folding.

In this embodiment, a first convex ring 210 is formed on the edge of the upper surface of the outer cover 21, the convex ring is formed by upward protruding of the edge of the outer cover 21, a vacuum pumping cavity 218 is formed by downward recessing of the upper surface of the outer cover 21, so that a lower surface protruding part 219 of the outer cover 21 protrudes upward at the through hole 201, a boss 205 is formed by upward protruding, a space between the bottom surface of the protruding part 219 and the top surface of the protruding strip is sealed by a sealing ring, the sealing ring is arranged around the through hole 201 and the vacuum pumping channel, a second convex ring 216 is formed by upward protruding of the upper surface of the outer cover 21, the second convex ring 216 is arranged around the vacuum pumping cavity 218, and the inner cavity of the second convex ring 216 is a containing cavity 217; the edge of the outer cap 21 protrudes downwards to form a connecting ring 220, the connecting ring 220 is sleeved on the cavity wall of the open cavity 12 and is connected with each other in a threaded manner, the edge of the inner cap 20 forms a positioning ring 206, the positioning ring 206 is positioned between the outer cap 21 and the top of the cavity wall of the open cavity 12, the connecting ring 220, the outer cap 21, the first convex ring 210, the second convex ring 216 and the protruding part 219 are combined into an integrated structure, and can be injection molded by adopting plastic materials.

Further, the height of the first convex ring 210 is higher than that of the second convex ring 216, the shape of the first convex ring 210 is matched with that of the cover plate 3, a step 215 is arranged on the inner side of the top end of the first convex ring 210 along the circumferential direction, the edge of the cover plate 3 is erected on the step 215, the structure is that the cover plate 3 is placed in a reserved space, the edge of the cover plate 3 is erected on the step 215, the phenomenon that the cover plate 3 cannot be attached can occur, after the cover plate 3 is covered, the protrusion 33 on the lower surface of the cover plate 3 is close to or props against the foldable spoon 5, so that the folded spoon is positioned, the spoon is prevented from being shifted, the protrusion 33 can be in an annular structure, generally inserted into the second convex ring 216, and the protrusion 33 can be in an annular structure.

Preferably, the top end of the first convex ring 210 forms a notch 214 to expose one side of the cover plate 3, and the notch 214 is used to facilitate the cover plate 3 to be fastened by hand, so as to facilitate the detachment of the cover plate 3.

Preferably, a baffle ring 32 arranged along the circumferential direction is formed on the inner surface of the cover plate 3 near the edge of the cover plate, the baffle ring 32 is arranged in a downward protruding manner, the baffle ring 32 and the inner wall of the first convex ring 210 are detachably connected through a buckle 34 structure, the protruding part 33 and the baffle ring 32 are integrally injection molded with the cover plate 3, the buckle 34 is connected with a buckle groove 221 arranged on the outer wall of the baffle ring 32 and a buckle 34 arranged on the inner wall of the first convex ring 210, or the buckle 34 arranged on the outer wall of the baffle ring 32 and the buckle groove 221 arranged on the inner wall of the first convex ring 210 are buckled with each other, and the buckle 34 and the buckle groove 221 are buckled with each other.

Preferably, the inner wall of the first convex ring 210 is formed with a convex portion 211, the circumferential side of the cover plate 3 is formed with a concave portion, and the convex portion 211 is correspondingly embedded in the concave portion, wherein the convex portion 211 and the concave portion can be multiple or one, so as to prevent the cover plate 3 from being displaced.

Preferably, one side of the first convex ring 210 is folded inwards to form a U-shaped groove 212, the end part of the U-shaped groove 212 forms a blocking part 213, and two ends of the handle 4 are respectively hinged with pin shafts on the inner walls of two ends of the U-shaped groove 212, so that the handle 4 is blocked and positioned when being rotated to be vertical.

Example two

The combined storage device described in this embodiment includes a second tank 6 having a holding cavity 11 and an opening cavity 12, where the first tank is made of stainless steel, the second tank 6 is located below the first tank 1, a fixed convex ring 13 is formed at the bottom edge of the first tank 1 of the vacuum smoldering tank, the fixed convex ring 13 is sleeved on the cavity wall of the opening cavity 12 of the second tank 6 and is connected with each other by threads, a sealing body 7 is disposed between the top of the cavity wall of the opening cavity 12 of the second tank 6 and the bottom surface of the first tank 1 of the vacuum smoldering tank, where the second tank 6 is made of stainless steel, and two layers of stainless steel are used for smoldering or heat preservation, and the second tank 6 can be made of two layers of stainless steel, as shown in the second tank 6 structure with a clamping mechanism in patent publication CN209058860U, and the two layers of stainless steel are in a vacuum state, so as to achieve an effective smoldering or effect, the sealing body 7 is a silica gel, so that the volume of the second tank 6 can be stacked together, and the storage tank can be stacked up to occupy a small space, and the storage space can be saved conveniently.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims (10)

1. Vacuum smoldering pot, its characterized in that includes:

the first tank body (1) comprises a containing cavity (11) and an opening cavity (12), wherein the opening cavity (12) is arranged at the opening of the first tank body (1), and the containing cavity (11) and the opening cavity (12) are mutually communicated;

the cover assembly (2) comprises an outer cover (21) and an inner cover (20), wherein the inner cover (20) is arranged in the open cavity (12), a sealing part at the periphery of the inner cover (20) is abutted against the inner wall of the open cavity (12) so as to enable the opening of the first tank body (1) to be arranged in a sealing mode, a one-way valve (200) for vacuumizing is arranged on the inner cover (20), and the peripheral connecting part of the outer cover (21) is connected with the edge of the opening of the first tank body (1); the outer cover (21) is provided with a vacuumizing cavity (218), the part of the inner cover (20) with the one-way valve (200) is mutually attached to the part of the outer cover (21) with the vacuumizing cavity (218) and is arranged in a sealing way, and the vacuumizing cavity (218) is communicated with a vacuumizing channel corresponding to the position of the one-way valve (200);

and the cover plate (3) is detachably arranged on the outer cover (21), and the cover plate (3) is at least partially positioned above the vacuumizing cavity (218) or covers the vacuumizing cavity (218).

2. The vacuum smoldering pot according to claim 1, further comprising a foldable spoon (5), wherein the outer cover (21) is further provided with an accommodating cavity (217), the accommodating cavity (217) is arranged in a shape matching with the shape of the foldable spoon (5) in a folded state, the accommodating cavity (217) is located between the outer cover (21) and the cover plate (3), and the foldable spoon (5) is placed in the accommodating cavity (217).

3. The vacuum smoldering pot according to claim 2, wherein the upper surface edge of the outer lid (21) is formed with a first convex ring (210) which is continuously provided, the convex ring is formed by upward protruding of the edge of the outer lid (21), the vacuum pumping cavity (218) is formed by downward recessing of the upper surface of the outer lid (21), the upper surface of the outer lid (21) is formed with a second convex ring (216) which is upwardly protruding, the second convex ring (216) is provided around the vacuum pumping cavity (218), and the inner cavity of the second convex ring (216) is a containing cavity (217).

4. A vacuum smoldering pot according to claim 3, characterized in that the height of the first convex ring (210) is higher than that of the second convex ring (216), the appearance of the first convex ring (210) is matched with that of the cover plate (3), a step (215) is arranged on the inner side of the top end of the first convex ring (210) along the circumferential direction, and the edge of the cover plate (3) is erected on the step (215).

5. The vacuum smoldering pot according to claim 4, wherein the top end of the first convex ring (210) is formed with a notch (214) to expose one side of the cover plate (3), or

The inner surface of the cover plate (3) is provided with a baffle ring (32) which is arranged along the circumferential direction and is arranged close to the edge of the cover plate, the baffle ring (32) is arranged in a downward protruding mode, the baffle ring (32) is detachably connected with the inner wall of the first convex ring (210) through a buckle (34) structure, or the inner wall of the first convex ring (210) is provided with a convex part (211), the circumferential side of the cover plate (3) is provided with a concave part, and the convex part (211) is correspondingly embedded into the concave part.

6. Vacuum smoldering pot according to claim 1, characterized in that the lower surface of the cover plate (3) is formed with a protrusion (33), the protrusion (33) being close to or abutting against the foldable spoon (5).

7. The vacuum smoldering pot according to claim 1, wherein the check valve (200) comprises a shaped elastic body (202), a through hole (201) is formed on the inner cover (20), a longitudinal portion of the shaped elastic body (202) is penetrated in the through hole (201), a gap is formed between an outer wall of the longitudinal portion of the shaped elastic body (202) and an inner wall of the through hole (201), a sealing step surface (204) arranged along the circumferential direction is formed on the longitudinal portion of the shaped elastic body (202), the sealing step surface (204) is abutted against the upper surface of the inner cover (20), the edge of the transverse portion of the shaped elastic body (202) is lifted upwards and abutted against the lower surface of the inner cover (20), a plurality of mutually spaced protruding blocks (203) are arranged on the edge of the lower surface of the inner cover (20) located in the through hole (201), and the protruding blocks (203) are located between the transverse portion of the shaped elastic body (202) and the lower surface of the inner cover (20).

8. A vacuum smoldering pot according to claim 3, further comprising a handle (4), both ends of the handle (4) being respectively rotatably connected to opposite sides of the outer wall of the first convex ring (210); a blocking part (213) is arranged on the outer wall of the first convex ring (210) close to the connecting part of the handle (4) so as to block and position the handle (4) when the handle is rotated to be vertical.

9. The vacuum smoldering pot according to claim 2, wherein the edge of the outer cover (21) protrudes downwards to form a connecting ring (220), the connecting ring (220) is sleeved on the cavity wall of the open cavity (12) and connected with each other in a threaded manner, the edge of the inner cover (20) forms a positioning ring (206), and the positioning ring (206) is positioned between the outer cover (21) and the top of the cavity wall of the open cavity (12).

10. A combined storage device, which is characterized by comprising a second tank body (6) with a containing cavity (11) and an opening cavity (12), and a vacuum smoldering tank as claimed in any one of claims 1-9, wherein the second tank body (6) is positioned below the first tank body (1), a fixed convex ring (13) is formed at the bottom edge of the first tank body (1) of the vacuum smoldering tank, the fixed convex ring (13) is sleeved on the cavity wall of the opening cavity (12) of the second tank body (6) and is connected with each other in a threaded manner, and a sealing body (7) is arranged between the top of the cavity wall of the opening cavity (12) of the second tank body (6) and the bottom surface of the first tank body (1) of the vacuum smoldering tank.