Outdoor heating furnace convenient to disassemble and assemble

Abstract

The utility model provides an outdoor heating furnace convenient to disassemble and assemble, which comprises a first bin body, a second bin body, a plurality of second bin bodies, a plurality of heating devices, a plurality of heating devices and a plurality of heating devices, and is characterized in that the first bin body is provided with a plurality of through holes penetrating along the length direction of the first bin body; the second bin body is located below the first bin body, fuel combusts in the second bin body, a ventilation opening is formed in the second bin body and used for providing air needed by combustion into the second bin body, and the first bin body communicates with the second bin body so that flames can spread from the second bin body to the first bin body; a plurality of slots are formed in one end, close to the first bin body, of the second bin body, and the through holes and the slots are arranged in a one-to-one correspondence manner; and each connecting rod penetrates through the corresponding through hole to enter the corresponding inserting groove, and each connecting rod is detachably arranged, so that the first bin body and the second bin body are detachably connected. According to the outdoor heating furnace convenient to disassemble and assemble, the technical problem that in the prior art, time and labor are wasted in the assembling and disassembling process of an outdoor heating furnace is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating stoves, in particular to an outdoor heating stove which is easy to assemble and disassemble. Background Art

[0002] As people's quality of life improves, demand for outdoor heaters is growing. Beyond providing warmth and heating, people also want heaters to serve as decoration, adding an aesthetic touch to their outdoor leisure activities. However, existing heaters with decorative functions are time-consuming and labor-intensive to install and dismantle, significantly impacting the user experience.

[0003] Therefore, the prior art needs to be further developed. Utility Model Content

[0004] The purpose of the present invention is to overcome the above technical deficiencies and provide an outdoor heating stove that is easy to assemble and disassemble, so as to solve the technical problem of outdoor heating stoves in related technologies being time-consuming and labor-intensive during installation and disassembly.

[0005] In order to achieve the above-mentioned technical objectives, the utility model adopts the following technical solutions: it provides an outdoor heating stove that is easy to disassemble and assemble, including: a first bin body, the first bin body is made of high-temperature resistant glass material, and a plurality of through holes are provided on the first bin body, and each through hole is arranged along the length direction of the first bin body; a second bin body, the second bin body is located below the first bin body, and the fuel burns in the second bin body, and a vent is provided on the second bin body, and the vent is used to provide the air required for combustion into the second bin body, and the first bin body and the second bin body are connected so that the flame spreads from the second bin body to the first bin body; a plurality of slots are provided at one end of the second bin body close to the first bin body, and each through hole is arranged one-to-one corresponding to each slot; a plurality of connecting rods, each connecting rod passes through the through hole and enters the corresponding slot, and each connecting rod is detachably arranged so that the first bin body and the second bin body can be detachably connected.

[0006] Furthermore, the outdoor heating stove that is easy to disassemble and assemble also includes a stove cap assembly, which is arranged above the first warehouse body. The stove cap assembly includes an umbrella cap and a connecting piece. The umbrella cap cover is arranged on the connecting piece. The connecting piece includes a hollow bracket, which supports the umbrella cap. The umbrella cap is used to prevent raindrops from falling into the first warehouse body. The smoke in the first warehouse body is dissipated from the hollow gap of the bracket. The end of the connecting piece away from the umbrella cap is detachably connected to the first warehouse body.

[0007] Furthermore, the connecting piece also includes an abutment ring and a snap ring. The outer ring of the abutment ring is connected to the bracket, and the inner ring of the abutment ring is connected to the snap ring, so that the bracket and the snap ring extend outward along both sides of the abutment ring respectively. When the connecting piece is connected to the first warehouse body, the abutment ring is attached to the end face of the first warehouse body, and the snap ring enters the first warehouse body and abuts against the inner wall of the first warehouse body, so that the connecting piece is clamped on the first warehouse body.

[0008] Furthermore, the outdoor heating stove that is easy to disassemble and assemble also includes a desktop assembly, which includes a desktop and multiple support members. The desktop is mounted on the second warehouse body, and multiple support members are arranged around the second warehouse body. Each support member is detachably connected to the second warehouse body, and the desktop is supported and fixed to the second warehouse body by each support member. The desktop is used to place items.

[0009] Furthermore, the second warehouse body includes an outer warehouse and a combustion warehouse. The outer warehouse is equipped with the combustion warehouse. A slot is set on the outer warehouse to connect the outer warehouse with the first warehouse body. The combustion warehouse is connected with the first warehouse body. A warehouse door is set on the outer warehouse. There is a accommodating cavity between the outer warehouse and the combustion warehouse. The warehouse door is rotated to open or close the accommodating cavity. The accommodating cavity is used to place items.

[0010] Furthermore, the second bin body also includes an ash falling bin, which is located in the outer bin and is connected to the combustion bin. A porous partition is provided at the bottom of the combustion bin, and the fuel is placed on the partition. The ash in the combustion bin falls into the ash falling bin from the partition.

[0011] Furthermore, there are multiple ventilation openings, each of which is respectively arranged on the outer bin, the combustion bin and the ash dropping bin.

[0012] Furthermore, a ventilation column is provided in the combustion chamber, which is perpendicular to the partition and has a plurality of circular holes. The amount of air entering the combustion chamber is increased through the various ventilation ports and the plurality of circular holes.

[0013] Furthermore, a plurality of limiting rings are provided in the second bin body, and the plurality of limiting rings are all mounted on the combustion bin and the ash bin. The limiting rings are arranged at intervals, and the limiting rings prevent the combustion bin and the ash bin from shaking in the accommodating cavity.

[0014] Furthermore, the outdoor heating stove that is easy to disassemble and assemble also includes a base and multiple fixing parts. The second compartment body is fixed on the base, and the multiple fixing parts are all detachably arranged, and the outdoor heating stove is fixed by the fixing parts.

[0015] Beneficial effects:

[0016] 1. The outdoor heating stove of the present invention is easy to assemble and disassemble. It connects the first compartment and the second compartment by using a plurality of detachable connecting rods, making the installation and disassembly of the entire heating stove simple and quick. Users can easily assemble or disassemble the heating stove as needed, which greatly improves the user experience.

[0017] 2. The outdoor heating stove of the present invention is easy to disassemble and assemble. The first compartment is made of high-temperature resistant glass material. The second compartment is connected to the first compartment, and the flame can spread from the second compartment to the first compartment, which not only meets the needs of heating and heating, but also adds a decorative effect, making the heating stove more ornamental during outdoor leisure activities.

[0018] 3. The outdoor heating stove of the present invention is easy to disassemble and assemble. By arranging vents on the outer chamber, combustion chamber and ash dropping chamber, as well as arranging ventilation columns and round holes in the combustion chamber, the amount of air entering the combustion chamber is greatly increased. The unique air intake and ventilation design enables the fuel to burn more fully, thereby improving the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is an exploded view of an outdoor heating stove that is easy to disassemble and assemble, as used in an embodiment of the present utility model;

[0020] Figure 2 This is a structural diagram of a stove cap assembly of an outdoor heating stove that is easy to disassemble and assemble, as used in an embodiment of the present utility model;

[0021] Figure 3 This is a cross-sectional view of an outdoor heating stove that is easy to assemble and disassemble, as used in an embodiment of the present utility model;

[0022] Figure 4 It is a schematic structural diagram of an outdoor heating stove that is easy to assemble and disassemble and is adopted in an embodiment of the present utility model.

[0023] The above drawings include the following reference numerals:

[0024] 1. First chamber body; 11. Through hole; 2. Second chamber body; 21. Ventilation port; 22. Slot; 23. Outer chamber; 231. Chamber door; 24. Combustion chamber; 25. Accommodation chamber; 26. Ash drop chamber; 27. Partition; 28. Ventilation column; 281. Round hole; 29. ​​Limiting ring; 3. Connecting rod; 4. Furnace cap assembly; 41. Umbrella cap; 42. Connecting piece; 421. Bracket; 422. Abutting ring; 423. Snap ring; 5. Desktop assembly; 51. Desktop; 52. Support piece; 6. Base; 7. Fixing piece. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0026] According to the embodiment of the present invention, an outdoor heating stove that is easy to disassemble and assemble is provided. Figures 1 to 4, including: a first bin body 1, the first bin body 1 is made of high-temperature resistant glass material, and a plurality of through holes 11 are provided on the first bin body 1, and each through hole 11 is arranged along the length direction of the first bin body 1; a second bin body 2, the second bin body 2 is located below the first bin body 1, and the fuel burns in the second bin body 2, and a vent 21 is provided on the second bin body 2, and the vent 21 is used to provide the air required for combustion to the second bin body 2, and the first bin body 1 and the second bin body 2 are connected so that the flame spreads from the second bin body 2 to the first bin body 1; a plurality of slots 22 are provided at one end of the second bin body 2 close to the first bin body 1, and each through hole 11 is arranged one-to-one corresponding to each slot 22; a plurality of connecting rods 3, each connecting rod 3 passes through the through hole 11 and enters the corresponding slot 22, and each connecting rod 3 is detachably arranged so that the first bin body 1 and the second bin body 2 can be detachably connected. The through hole 11 is provided along the length direction of the first housing 1, so that the connecting rod 3 can pass through the through hole 11 and be inserted into the slot 22 on the second housing 2, so that the user can easily assemble or disassemble the heating stove by simply installing or removing the connecting rod, thereby improving the portability and maintainability of the heating stove. The entire heating stove becomes simple and quick during the installation and disassembly process, greatly improving the user experience. The first housing 1 and the second housing 2 are connected, so that the flame can spread from the second housing 2 to the first housing 1, forming a beautiful flame landscape, which enhances the viewing experience and atmosphere of outdoor heating. The outdoor heating stove that is easy to disassemble and assemble in this embodiment solves the technical problem of outdoor heating stoves in the related art that are time-consuming and labor-intensive during installation and disassembly.

[0027] See Figure 1 and Figure 2 The outdoor heating stove of this embodiment is easy to assemble and disassemble. The outdoor heating stove also includes a stove cap assembly 4, which is disposed above the first housing 1. The stove cap assembly 4 includes an umbrella cap 41 and a connector 42. The umbrella cap 41 is mounted on the connector 42. The connector 42 includes a hollow bracket 421 that supports the umbrella cap 41. The umbrella cap 41 is used to prevent raindrops from falling into the first housing 1. Smoke within the first housing 1 escapes through the hollow gap of the bracket 421. The connector 42 is detachably connected to the first housing 1 at one end away from the umbrella cap 41. The umbrella cap 41 effectively prevents raindrops from directly falling into the first housing 1, protecting the flame and fuel inside the heating stove from being extinguished by rain. The hollow bracket 421 of the connector 42 allows smoke generated within the first housing 1 to escape smoothly through the hollow gap of the bracket 421, preventing smoke from accumulating within the first housing 1 and improving the combustion efficiency and safety of the heating stove. The setting of the stove cap assembly 4 not only enhances the practicality of the heating stove, but also improves its overall aesthetics. The end of the connecting piece 42 away from the umbrella cap 41 is detachably connected to the first chamber body 1, and the user can easily install or remove the stove cap assembly 4 as needed.

[0028] See Figure 2 In this embodiment of the outdoor heating stove that is easy to assemble and disassemble, the connecting member 42 further includes an abutting ring 422 and a snap ring 423. The outer ring of the abutting ring 422 is connected to the bracket 421, and the inner ring of the abutting ring 422 is connected to the snap ring 423, so that the bracket 421 and the snap ring 423 extend outward along both sides of the abutting ring 422. When the connecting member 42 is connected to the first housing 1, the abutting ring 422 abuts against the end surface of the first housing 1, and the snap ring 423 enters the first housing 1 and abuts against the inner wall of the first housing 1, thereby securing the connecting member 42 to the first housing 1. The abutting ring 422 abuts against the end surface of the first housing 1, while the snap ring 423 enters the first housing 1 and abuts against the inner wall. This not only enhances the stability of the connection between the connecting member 42 and the first housing 1, but also allows users to more conveniently install or remove the stove cap assembly 4 through the snap-fit ​​design of the abutting ring 422 and the snap ring 423. Simply align the connector 42 with the corresponding position of the first housing 1 and apply a little force to snap the retaining ring 423 into the first housing 1, achieving a quick connection. Similarly, for removal, simply gently pull the connector 42 outward to release the retaining ring 423 from the first housing 1, completing the removal process. The stable, easy-to-install, and durable design of the stove cap assembly 4 allows users to use the stove with less worry and effort.

[0029] Figure 1 、 Figure 3 and Figure 4 The outdoor heating stove of this embodiment is easy to disassemble and assemble. The outdoor heating stove that is easy to disassemble and assemble also includes a desktop assembly 5. The desktop assembly 5 includes a desktop 51 and multiple support members 52. The desktop 51 is mounted on the second housing 2. The multiple support members 52 are arranged around the second housing 2. Each support member 52 is detachably connected to the second housing 2. The desktop 51 is supported and fixed to the second housing 2 by each support member 52. The desktop 51 is used to place items. The multiple support members 52 are arranged around the second housing 2 and are detachably connected to the second housing 2 to firmly support and fix the desktop 51 above. The user can enjoy heating comfortably while also conveniently accessing items placed on the desktop. At the same time, the user can easily install or remove the desktop assembly 5 as needed. This not only facilitates the transportation and storage of the heating stove, but also allows the user to remove it when the desktop function is no longer needed to save space or reduce weight.

[0030] See Figure 3The outdoor heating stove of this embodiment is easy to assemble and disassemble. The second compartment 2 includes an outer compartment 23 and a combustion compartment 24. The outer compartment 23 is fitted with the combustion compartment 24. A slot 22 is provided on the outer compartment 23 to connect the outer compartment 23 to the first compartment 1, and the combustion compartment 24 is connected to the first compartment 1. The outer compartment 23 is provided with a compartment door 231. There is a accommodating chamber 25 between the outer compartment 23 and the combustion compartment 24. The compartment door 231 is rotated to open or close the accommodating chamber 25. The accommodating chamber 25 is used to store items. The structure of the outer compartment 23 fitting the combustion compartment 24 makes the internal structure of the heating stove more reasonable, protecting the combustion compartment 24 from the influence of the external environment and facilitating the maintenance and cleaning of the combustion compartment 24. The accommodating chamber 25 formed between the outer compartment 23 and the combustion compartment 24 provides users with an additional storage space. Users can place spare fuel, tools, or other small items in this space, improving the practicality and convenience of the heating stove. The provision of the compartment door 231 allows the user to conveniently open or close the accommodating chamber 25 and to take or place items without having to disassemble other components of the heating stove.

[0031] See Figure 3 In this embodiment of the outdoor heating stove, which is easy to assemble and disassemble, the second housing 2 also includes an ash bin 26. The ash bin 26 is located in the outer housing 23 and communicates with the combustion chamber 24. A porous partition 27 is provided at the bottom of the combustion chamber 24. Fuel is placed on the partition 27, and ash in the combustion chamber 24 falls through the partition 27 into the ash bin 26. The ash bin 26 communicates with the combustion chamber 24, and a porous partition 27 is provided at the bottom of the combustion chamber 24. Ash generated during the combustion process falls into the ash bin 26 through the holes in the partition 27. In this embodiment, the ash bin 26 and the outer housing 23 corresponding to the combustion chamber 24 are both provided with a bin door 231. Since the ash is automatically separated into the ash bin 26, the user does not need to frequently clean the ash in the combustion chamber 24. When cleaning is necessary, the user only needs to open the bin door 231 of the outer housing 23 corresponding to the ash bin 26 to remove the ash bin 26 and remove the ash, greatly simplifying cleaning.

[0032] See Figure 1 and Figure 3 This embodiment of the easily disassembled outdoor heating stove features multiple vents 21, each located in the outer chamber 23, combustion chamber 24, and ash bin 26. Even though the combustion chamber 24 and ash bin 26 are surrounded by the outer chamber 23, corresponding vents 21 are still provided to ensure air circulation within the combustion chamber 24. This design allows the outer chamber 23, combustion chamber 24, and ash bin 26 to form an efficient and safe ventilation system, ensuring good intercommunication between the outer chamber 23, combustion chamber 24, and ash bin 26 and the external environment.

[0033] See Figure 3The easily disassembled outdoor heating stove of this embodiment also includes a ventilation column 28 disposed within the combustion chamber 24. The ventilation column 28 is perpendicular to the partition 27 and is provided with a plurality of circular holes 281. These columns increase the amount of air entering the combustion chamber 24 through the vents 21 and the circular holes 281. The ventilation column 28 and the circular holes 281 thereon serve as additional air passages, increasing air flow within the combustion chamber 24. This prevents oxygen depletion among the accumulated fuel, promotes more complete mixing of the fuel and air, improves combustion efficiency, and enables more complete combustion of the fuel, releasing more heat energy and enhancing the heating effect.

[0034] See Figure 3 In this embodiment of the easily disassembled outdoor heating stove, multiple retaining rings 29 are also installed within the second housing 2. These retaining rings 29 are positioned over the combustion chamber 24 and the ash bin 26, with each retaining ring 29 positioned at intervals. The retaining rings 29 prevent the combustion chamber 24 and the ash bin 26 from moving within the accommodating cavity 25. The retaining rings 29 provide additional support and fixation for the combustion chamber 24 and the ash bin 26, reducing movement and displacement caused by external factors (such as wind and uneven ground). This helps maintain the overall structural stability of the heating stove, ensuring reliable operation in a variety of environments.

[0035] See Figure 3 and Figure 4 The outdoor heating stove that is easy to assemble and disassemble in this embodiment further includes a base 6 and a plurality of fixing members 7. The second housing 2 is fixed to the base 6. The plurality of fixing members 7 are all detachably provided, and the outdoor heating stove is fixed by the fixing members 7. The detachable fixing members 7 facilitate installation and removal of the outdoor heating stove and improve stability.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0037] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0038] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0039] In the above embodiments of the present application, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0040] The above is only a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. An outdoor heating stove that is easy to assemble and disassemble, characterized in that: include: A first bin body (1), the first bin body (1) is made of a high-temperature resistant glass material, a plurality of through holes (11) are provided on the first bin body (1), and each of the through holes (11) is provided along the length direction of the first bin body (1); a second bin (2), the second bin (2) being located below the first bin (1), the fuel burning in the second bin (2), the second bin (2) being provided with a vent (21), the vent (21) being used to provide air required for combustion into the second bin (2), the first bin (1) and the second bin (2) being connected so that the flame spreads from the second bin (2) to the first bin (1); a plurality of slots (22) being provided at one end of the second bin (2) close to the first bin (1), the respective through holes (11) being provided in one-to-one correspondence with the respective slots (22); A plurality of connecting rods (3), each connecting rod (3) respectively passes through the through hole (11) and enters the corresponding slot (22), and each connecting rod (3) is detachably arranged to enable the first bin body (1) and the second bin body (2) to be detachably connected.

2. The outdoor heating stove that is easy to assemble and disassemble according to claim 1, characterized in that: The outdoor heating stove that is easy to disassemble and assemble further includes a stove cap assembly (4), which is arranged above the first bin body (1). The stove cap assembly (4) includes an umbrella cap (41) and a connecting piece (42), wherein the umbrella cap (41) is covered on the connecting piece (42), and the connecting piece (42) includes a hollow bracket (421), wherein the bracket (421) supports the umbrella cap (41), and the umbrella cap (41) is used to prevent raindrops from falling into the first bin body (1). Smoke in the first bin body (1) is released from the hollow gap of the bracket (421), and the end of the connecting piece (42) away from the umbrella cap (41) is detachably connected to the first bin body (1).

3. The outdoor heating stove that is easy to disassemble and assemble according to claim 2, characterized in that: The connecting member (42) further comprises an abutment ring (422) and a snap ring (423), wherein the outer ring of the abutment ring (422) is connected to the bracket (421), and the inner ring of the abutment ring (422) is connected to the snap ring (423), so that the bracket (421) and the snap ring (423) respectively extend outward along both sides of the abutment ring (422). When the connecting member (42) is connected to the first silo (1), the abutment ring (422) is attached to the end face of the first silo (1), and the snap ring (423) enters the first silo (1) and abuts against the inner wall of the first silo (1), thereby enabling the connecting member (42) to be snapped onto the first silo (1).

4. The outdoor heating stove that is easy to disassemble and assemble according to claim 1, characterized in that: The outdoor heating stove that is easy to disassemble and assemble further includes a tabletop assembly (5), wherein the tabletop assembly (5) includes a tabletop (51) and a plurality of support members (52), wherein the tabletop (51) is mounted on the second warehouse body (2), and a plurality of support members (52) are arranged around the second warehouse body (2), and each of the support members (52) is detachably connected to the second warehouse body (2), and the tabletop (51) is supported and fixed on the second warehouse body (2) by each of the support members (52), and the tabletop (51) is used for placing items.

5. The outdoor heating stove that is easy to assemble and disassemble according to claim 1, characterized in that: The second bin body (2) comprises an outer bin (23) and a combustion bin (24); the outer bin (23) is sleeved with the combustion bin (24); the slot (22) is provided on the outer bin (23) so as to connect the outer bin (23) with the first bin body (1); the combustion bin (24) is communicated with the first bin body (1); a bin door (231) is provided on the outer bin (23); a receiving chamber (25) is provided between the outer bin (23) and the combustion bin (24); the bin door (231) is rotated to open or close the receiving chamber (25); and the receiving chamber (25) is used for placing articles.

6. The outdoor heating stove that is easy to assemble and disassemble according to claim 5, characterized in that: The second bin body (2) further includes an ash dropping bin (26), which is located in the outer bin (23). The ash dropping bin (26) is communicated with the combustion bin (24). A porous partition (27) is provided at the bottom of the combustion bin (24). Fuel is placed on the partition (27), and ash in the combustion bin (24) falls from the partition (27) into the ash dropping bin (26).

7. The outdoor heating stove that is easy to assemble and disassemble according to claim 6, characterized in that: There are a plurality of ventilation openings (21), and each ventilation opening (21) is respectively arranged on the outer bin (23), the combustion bin (24), and the ash falling bin (26).

8. The outdoor heating stove that is easy to assemble and disassemble according to claim 7, characterized in that: A ventilation column (28) is further provided in the combustion chamber (24), and the ventilation column (28) is perpendicular to the partition (27). A plurality of circular holes (281) are provided on the ventilation column (28), and the amount of air entering the combustion chamber (24) is increased through each of the ventilation ports (21) and the plurality of circular holes (281).

9. The outdoor heating stove that is easy to assemble and disassemble according to claim 6, characterized in that: A plurality of limiting rings (29) are further provided in the second bin body (2), and the plurality of limiting rings (29) are all sleeved on the combustion bin (24) and the ash bin (26). The limiting rings (29) are arranged at intervals, and the limiting rings (29) prevent the combustion bin (24) and the ash bin (26) from shaking in the accommodating cavity (25).

10. The outdoor heating stove that is easy to assemble and disassemble according to claim 1, characterized in that: The outdoor heating stove that is easy to assemble and disassemble further comprises a base (6) and a plurality of fixing members (7), wherein the second chamber (2) is fixed on the base (6), and the plurality of fixing members (7) are all detachably arranged, and the outdoor heating stove is fixed by the fixing members (7).

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