Firewood and coal dual-purpose heating furnace with extensible table top

By designing a tabletop expandable dual-fuel (firewood and coal) heating stove, the problem of inconvenient stove construction in highly mobile environments has been solved, achieving full combustion and multi-functional use, thus improving the practicality and convenience of the equipment.

CN223909584UActive Publication Date: 2026-02-13QINHUANGDAO AOSENER GARMENT +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520422691.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-13
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing heating stoves are time-consuming and labor-intensive to set up in mobile or temporary settings, and are inconvenient to purchase and carry, thus failing to effectively meet the demand.

Method used

A tabletop expandable dual-fuel (firewood and coal) heating stove was designed, comprising components such as a stove body, stove core, stove base, grate, chimney connector, and folding plate. By setting up air inlets, baffles, and folding plates, the air volume and expansion functions are controlled, achieving complete combustion and placement of items, thus increasing practicality.

Benefits of technology

It improves the practicality of the heating stove, achieves full combustion of bituminous coal or firewood, provides a convenient way to set up and carry it, and utilizes heat through a kettle, thus enhancing the versatility of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223909584U_ABST
    Figure CN223909584U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of heating equipment, in particular to a table-board-extensible firewood and coal dual-purpose heating furnace which comprises a furnace body and a furnace core, the furnace body internally comprises an exhaust area, a hearth area and a discharging area, the hearth area is located between the exhaust area and the discharging area, and a furnace base plate is installed between the hearth area and the discharging area; a plurality of discharging holes are formed in the furnace base plate, the furnace core is located at the top end of the furnace base plate and located in the hearth area, a fire sealing cover is installed at the top end of the furnace core, a second connecting hole communicated with the exhaust area is formed in the rear end of the furnace body, a chimney opening connecting piece is fixedly installed at the second connecting hole, and a third connecting hole communicated with the hearth area is formed in the front end of the furnace body; a firewood adding door is hinged to the third connecting hole, a fourth connecting hole communicated with the discharging area is formed in the front end of the furnace body, an ash hopper is slidably installed at the fourth connecting hole, and folding plates are rotatably installed on the two sides of the top end of the furnace body through folding connecting pieces. The heating furnace has the effect of improving the practicability of the heating furnace.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application relates to the field of heating equipment, in particular to a table top expandable coal and wood dual-purpose heating stove. BACKGROUND

[0002] The heating stove is an important heating equipment, and has no special requirements for fixed place use, but cannot effectively meet the requirements for the occasions with strong mobility or temporary use, such as heating of tents, mobile houses and the like used by soldiers in winter camping, or heating of houses without central heating facilities, one is that the heating stove is time-consuming and laborious to build, and two is that the heating stove is heavy and expensive to purchase, and the economic and energy costs are large. CONTENT OF THE UTILITY MODEL

[0003] In order to improve the practicability of the heating stove, the application provides a table top expandable coal and wood dual-purpose heating stove.

[0004] The table top expandable coal and wood dual-purpose heating stove provided by the application adopts the following technical scheme:

[0005] A table top expandable coal and wood dual-purpose heating stove, which comprises a stove body and a stove core, the inside of the stove body comprises an exhaust area, a hearth area and a discharge area, the hearth area is located between the exhaust area and the discharge area, a stove bottom disc is fixedly installed between the hearth area and the discharge area, a plurality of discharge holes are formed in the stove bottom disc, the stove core is located at the top end of the stove bottom disc and in the hearth area, a stove grate is placed in the stove core, a fire cover is installed at the top end of the stove core, a first connecting hole is formed in the top end of the stove body and communicates with the exhaust area, a cooking table adjusting outer cover is placed at the first connecting hole, a second connecting hole is formed in the rear end of the stove body and communicates with the exhaust area, a chimney mouth connecting piece is fixedly installed at the second connecting hole, a third connecting hole is formed in the front end of the stove body and communicates with the hearth area, a wood adding door is hingedly installed at the third connecting hole, a fourth connecting hole is formed in the front end of the stove body and communicates with the discharge area, an ash hopper is slidingly installed at the fourth connecting hole, and folding plates are rotatably installed on both sides of the top end of the stove body through folding connecting pieces.

[0006] Optionally, a base is fixedly installed at the bottom end of the stove body, and a stove leg is rotatably installed at the bottom end of the base.

[0007] Optionally, a chimney mouth seat is fixedly installed at the end of the chimney mouth connecting piece away from the stove body, and a chimney branch pipe is installed on the chimney mouth seat.

[0008] Optionally, a plurality of chimney branch pipes are arranged, and adjacent two chimney branch pipes are connected through an elbow pipe.

[0009] Optionally, the last chimney branch pipe is a T-shaped pipe.

[0010] Optionally, the smoke pipe branch is fixedly installed with a water boiler.

[0011] Optionally, a plurality of air inlet holes are formed in the side wall of the furnace body and communicated with the discharging area, the plurality of air inlet holes are circumferentially equidistantly distributed, a connecting rod is rotatably installed on the side wall of the furnace body, one end of the connecting rod is located in the discharging area and the other end of the connecting rod is located outside the discharging area, a wind baffle is fixedly installed on the one end of the connecting rod located in the discharging area, and a plurality of auxiliary holes are formed in the wind baffle and matched with the air inlet holes.

[0012] Optionally, two first rivets and two second rivets are arranged at the front end and the rear end of the furnace body respectively, the first rivets are closer to the corresponding side walls than the second rivets, the folding connecting piece is fixedly installed on the folding plate, a strip-shaped hole is formed in the front end of the folding connecting piece, the folding connecting piece is slidably connected with the first rivet through the strip-shaped hole, a groove is formed in the top end of the folding connecting piece, and the folding connecting piece is clampedly connected with the second rivet through the groove.

[0013] To sum up, the present application has at least one of the following beneficial technical effects:

[0014] 1. By forming the air inlet holes and arranging the connecting rod and the wind baffle, the air amount entering the furnace area can be controlled, so that the bituminous coal or wood is fully combusted and the combustion time is controlled, and the practicality of the heating stove is improved.

[0015] 2. By arranging the water boiler, the heat generated by the combustion of the bituminous coal or wood can heat the water in the water boiler, and the practicality of the heating stove is further improved.

[0016] 3. By arranging the folding plate, some articles can be placed on the folding plate, and the practicality of the heating stove is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of a table surface expandable coal and wood dual-purpose heating stove according to an embodiment of the present application.

[0018] Figure 2 is a structural schematic view of a furnace body of a table surface expandable coal and wood dual-purpose heating stove according to an embodiment of the present application.

[0019] Figure 3 is a sectional view of a furnace body of a table surface expandable coal and wood dual-purpose heating stove according to an embodiment of the present application.

[0020] Figure 4 is a structural schematic view of a connecting rod of a table surface expandable coal and wood dual-purpose heating stove according to an embodiment of the present application.

[0021] Figure 5It is a folding state schematic diagram of a folding plate of a table top expandable coal and firewood dual-purpose heating stove.

[0022] Marked as: 10, stove body; 11, exhaust area; 12, hearth area; 13, discharge area; 14, first connecting hole; 15, second connecting hole; 16, third connecting hole; 17, fourth connecting hole; 18, air inlet hole; 20, cooking surface adjusting outer cover; 30, chimney mouth connecting piece; 31, chimney mouth seat; 32, chimney branch pipe; 33, elbow pipe; 40, firewood loading door; 50, ash hopper; 60, base; 61, stove leg; 70, fire cover; 71, stove cover; 72, stove core sheath; 80, stove bottom plate; 81, discharge hole; 90, stove grate; 100, connecting rod; 101, wind baffle; 102, auxiliary hole; 103, heat insulation knob; 110, folding connecting piece; 111, strip-shaped hole; 112, groove; 120, folding plate; 130, first rivet; 140, second rivet; 150, kettle; 160, stove core. DETAILED DESCRIPTION

[0023] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is further described in detail.

[0024] The application discloses a table top expandable coal and firewood dual-purpose heating stove.

[0025] With reference to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a table top expandable coal and firewood dual-purpose heating stove comprises a stove body 10 and a stove core 160, the inside of the stove body 10 comprises an exhaust area 11, a hearth area 12 and a discharge area 13, the exhaust area 11 is located above the hearth area 12, the discharge area 13 is located below the hearth area 12, a stove bottom plate 80 is fixedly installed between the hearth area 12 and the discharge area 13, a plurality of discharge holes 81 are formed in the stove bottom plate 80, the stove core 160 is located at the bottom end of the stove bottom plate 80 and in the hearth area 12, a stove grate 90 is placed in the stove core 160, a first connecting hole 14 is formed in the top end of the stove body 10 and communicates with the exhaust area 11, a cooking surface adjusting outer cover 20 is placed at the first connecting hole 14, the cooking surface adjusting outer cover 20 comprises a plurality of annular rings, the diameters of the annular rings are different, and adjacent two annular rings are overlapped with each other, a second connecting hole 15 is formed in the rear end of the stove body 10 and communicates with the exhaust area 11, a chimney mouth connecting piece 30 is fixedly installed at the second connecting hole 15, a third connecting hole 16 is formed in the front end of the stove body 10 and communicates with the hearth area 12, a firewood loading door 40 is hingedly installed at the third connecting hole 16, and a fourth connecting hole 17 is formed in the front end of the stove body 10 and communicates with the discharge area 13. It should be known that the bottom end, the top end and the front end of the stove core 160 are open.

[0026] The staff opens the firewood door 40, and puts the bituminous coal or wood into the furnace core 160 through the third connecting hole 16 and ignites it, the air flows into the discharge area 13 through the fourth connecting hole 17, and enters the furnace core 160 from the discharge hole 81 on the furnace bottom plate 80 from the discharge area 13, which can increase the combustion of bituminous coal or wood, and the flue gas generated by the combustion of bituminous coal or wood first enters the exhaust area 11, and then is discharged through the chimney port connector 30, at the same time, the slag after the combustion of bituminous coal or wood enters the discharge area 13 through the discharge hole 81 on the furnace bottom plate 80. It should be noted that since the stove adjusting outer cover 20 includes a plurality of annular rings, the diameters of the plurality of annular rings are different, the number of annular rings can be placed according to the actual situation, and the size of the first connecting hole 14 is adjusted, and it can be known that the furnace core 160 has a unique shape, which is narrow at the top and wide at the bottom, and the combustion of bituminous coal or wood spreads from the bottom to the top, which plays a fire gathering effect, and makes the bituminous coal or wood burn more fully.

[0027] In order to facilitate the collection of the slag after the combustion of bituminous coal or wood, a hopper 50 is slidingly installed at the fourth connecting hole 17, the hopper 50 is located in the discharge area 13, and the slag after the combustion of bituminous coal or wood falls into the hopper 50 through the discharge hole 81 on the furnace bottom plate 80, and the staff can slide out the hopper 50 at any time to handle the slag.

[0028] In order to slow down the combustion speed of bituminous coal or wood in the hearth area 12, a furnace core sheath 72 is installed in the furnace body 10, the outer wall of the furnace core sheath 72 is welded to the inner wall of the furnace body 10, a fire cover 70 and a furnace cover 71 are installed at the top end of the furnace core 160, the furnace cover 71 is welded to the furnace core sheath 72 as a whole, and the fire cover 70 is provided with one and placed above the furnace cover 71, which can completely close the top end of the hearth area 12 when closed. It should be noted that the angle of the two fire covers 70 can be opened and closed according to the actual situation.

[0029] A plurality of air inlet holes 18 are formed in the side wall of the furnace body 10 and are connected to the discharge area 13, and the plurality of air inlet holes 18 are circumferentially equidistantly distributed. A connecting rod 100 is rotatably installed on the side wall of the furnace body 10, one end of the connecting rod 100 is located in the discharge area 13, and the other end is located outside the discharge area 13, a baffle 101 is fixedly installed at one end of the connecting rod 100 in the discharge area 13, a plurality of auxiliary holes 102 matched with the air inlet holes 18 are formed in the baffle 101, one end of the baffle 101 close to the connecting rod 100 abuts against the inner wall of the hearth, and a heat insulation knob 103 is fixedly installed at the other end of the connecting rod 100. It should be noted that the heat insulation knob 103 can prevent the staff from being scalded when rotating the connecting rod 100.

[0030] When the worker slides the ash chute 50 into the discharging area 13, the worker rotates the connecting rod 100, thereby driving the baffle 101 to rotate, so that the air inlet hole 18 corresponds to the auxiliary hole 102, thereby making the inside and outside of the discharging area 13 communicate, the air outside the discharging area 13 enters the discharging area 13 through the air inlet hole 18, and then enters the furnace core 160 through the discharging hole 81 on the furnace bottom plate 80, so that the bituminous coal or wood in the furnace core 160 has sufficient air, at the same time, the connecting rod 100 can also be rotated to control the covering degree of the baffle 101 to the air inlet hole 18, thereby controlling the air entering amount, which helps the bituminous coal or wood to burn more fully.

[0031] The base 60 is fixedly installed at the bottom end of the furnace body 10, and the furnace leg 61 is rotatably installed at the bottom end of the base 60. When in use, the furnace leg 61 can make the furnace body 10 keep a certain distance from the ground, so as to avoid the furnace body 10 from being overheated and damaging the ground environment. When not in use, the furnace leg 61 can reduce the occupied space and facilitate packaging and transportation.

[0032] The chimney mouth connector 30 is fixedly installed at the end away from the furnace body 10, and the chimney mouth seat 31 is installed on the chimney mouth connector 30. The chimney branch pipe 32 is provided in plurality, and adjacent two chimney branch pipes 32 are connected through the elbow pipe 33. The chimney branch pipe 32 is provided to facilitate the smoke generated by the combustion of bituminous coal or wood to be discharged to the indoor. It should be known that the last section of the chimney branch pipe 32 is a T-shaped pipe, and the T-shaped pipe is to better discharge the smoke generated by the combustion of bituminous coal or wood.

[0033] In order to fully utilize the heat generated by the combustion of bituminous coal or wood, the water kettle 150 is fixedly installed on the chimney branch pipe 32.

[0034] The folding plate 120 is rotatably installed on both sides of the top end of the furnace body 10 through the folding connector 110, and the folding plate 120 can place articles. The first rivet 130 and the second rivet 140 are arranged at the front end and the rear end of the furnace body 10 respectively, the first rivet 130 is closer to the corresponding side wall than the second rivet 140, the folding connector 110 is fixedly installed at the front end and the rear end of the folding plate 120 respectively, the strip-shaped hole 111 is formed at the front end of the folding connector 110, the folding connector 110 is slidably connected with the first rivet 130 through the strip-shaped hole 111, the recess 112 is formed at the top end of the folding connector 110, and the folding connector 110 is clampedly connected with the second rivet 140 through the recess 112.

[0035] When the folding plate 120 needs to be used, the worker flips the folding plate 120 upward, so that the folding plate 120 is higher than the top end of the furnace body 10, and then moves the folding plate 120 obliquely downward along the strip-shaped hole 111, and when the first rivet 130 abuts against one end of the strip-shaped hole 111 close to the folding plate 120, the worker flips the folding plate 120 downward until the second rivet 140 is clamped in the groove 112.

[0036] When the folding plate 120 does not need to be used, the worker flips the folding plate 120 upward, so that the second rivet 140 is separated from the groove 112, and then moves the folding plate 120 obliquely upward along the strip-shaped hole 111, and when the first rivet 130 abuts against one end of the strip-shaped hole 111 away from the folding plate 120, the worker flips the folding plate 120 downward until the folding plate 120 abuts against the side wall of the furnace body 10.

[0037] The working principle of the embodiment of the application is as follows: the worker places bituminous coal or wood on the grate 90 in the hearth area 12 through the first connecting hole 14 or the third connecting hole 16, ignites the bituminous coal or wood, rotates the connecting rod 100, and then drives the baffle 101 to rotate, so that the inside and outside of the discharge area 13 are communicated, the outside air enters the discharge area 13 of the furnace body 10 through the air inlet hole 18, and then enters the furnace core 160 through the discharge hole 81, so that the bituminous coal or wood is fully burned, the cinder produced by the burning of the bituminous coal or wood falls onto the ash hopper 50 in the discharge area 13 through the discharge hole 81, the flue gas produced by the burning of the bituminous coal or wood is discharged through the chimney port connecting piece 30 and the chimney branch pipe 32, the heat produced by the burning of the bituminous coal or wood heats the water in the kettle 150, and the folding plate 120 is rotatably installed on the furnace body 10 through the folding connecting piece 110, some objects can be placed on the folding plate 120, and then the utilization rate of the heat produced by the burning of the bituminous coal or wood is improved, and the practicality of the heating stove is improved.

[0038] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A dual wood-burning and coal-burning fireplace with an extendable hearth, characterized in that: The application relates to a stove body (10) and a stove core (160), wherein the stove body (10) comprises an exhaust area (11), a hearth area (12) and a discharge area (13) inside the stove body (10), the hearth area (12) is located between the exhaust area (11) and the discharge area (13), a stove bottom plate (80) is fixedly arranged between the hearth area (12) and the discharge area (13), a plurality of discharge holes (81) are formed in the stove bottom plate (80), the stove core (160) is located at the top end of the stove bottom plate (80) and in the hearth area (12), a stove grate (90) is arranged in the stove core (160), a fire cover (70) is arranged at the top end of the stove core (160), a first connecting hole (14) is formed in the top end of the stove body (10) and is connected with the exhaust area (11), a stove table adjusting outer cover (20) is arranged at the first connecting hole (14), a second connecting hole (15) is formed in the rear end of the stove body (10) and is connected with the exhaust area (11), a chimney mouth connecting piece (30) is fixedly arranged at the second connecting hole (15), a third connecting hole (16) is formed in the front end of the stove body (10) and is connected with the hearth area (12), a firewood adding door (40) is hingedly arranged at the third connecting hole (16), a fourth connecting hole (17) is formed in the front end of the stove body (10) and is connected with the discharge area (13), an ash hopper (50) is slidingly arranged at the fourth connecting hole (17), and folding plates (120) are rotatably arranged on both sides of the top end of the stove body (10) through folding connecting pieces (110).

2. The dual wood-coal heating stove according to claim 1, wherein: A base (60) is fixedly arranged at the bottom end of the stove body (10), and a stove leg (61) is rotatably arranged at the bottom end of the base (60).

3. The dual wood-coal heating stove according to claim 1, wherein: A chimney mouth seat (31) is fixedly arranged at the end of the chimney mouth connecting piece (30) away from the stove body (10), and a chimney branch pipe (32) is arranged on the chimney mouth seat (31).

4. The dual wood-coal heating stove according to claim 3, wherein: A plurality of chimney branch pipes (32) are arranged, and adjacent two chimney branch pipes (32) are connected through elbow pipes (33).

5. The dual wood-coal heating stove according to claim 4, wherein: The last chimney branch pipe (32) is a T-shaped pipe.

6. The dual wood-coal heating stove according to claim 3, wherein: A water boiler (150) is fixedly arranged on the chimney branch pipe (32).

7. The dual wood-coal fireplace according to claim 1, wherein: A plurality of air inlet holes (18) are formed in the side wall of the stove body (10) and are connected with the discharge area (13), the plurality of air inlet holes (18) are circumferentially equidistantly distributed, a connecting rod (100) is rotatably arranged on the side wall of the stove body (10), one end of the connecting rod (100) is located in the discharge area (13), the other end of the connecting rod (100) is located outside the discharge area (13), a wind baffle (101) is fixedly arranged at the end of the connecting rod (100) located in the discharge area (13), and a plurality of auxiliary holes (102) matched with the air inlet holes (18) are formed in the wind baffle (101).

8. The dual wood-coal fireplace according to claim 1, wherein: The first rivet (130) is closer to the corresponding side wall than the second rivet (140), the folding connecting piece (110) is fixedly installed on the folding plate (120), a strip-shaped hole (111) is formed in the front end of the folding connecting piece (110), the folding connecting piece (110) is slidably connected with the first rivet (130) through the strip-shaped hole (111), and a recess (112) is formed in the top end of the folding connecting piece (110).