Movable outdoor gas heater

Abstract

A movable outdoor gas heater comprises a gas tank, a base, a shell, a door body, a combustor, a heat dissipation cavity, a protective safety net, a hollow top cover and trundles, an annular base is inserted into an insertion hole, an insertion part supports the gas tank, the insertion part is inserted into the shell and fixed, and a base body supports the lower end of the shell; one side of the door body is pivoted with the shell, and the other side of the door body is connected with the shell through a box buckle; the inner connector pipe is inserted into the outer connector pipe, the outer connector pipe is supported by the top of the shell, the injection pipe extends into the shell from the heat dissipation cavity, and the nozzle is arranged at the end, located in the shell, of the injection pipe. The upper end and the lower end of the protective safety net are respectively fixed with the hollow top cover and the top of the shell; the trundles are arranged on the seat main body; in a normal state, the supporting surface supports the seat main body; and during moving, the trundles are matched with the supporting surface. Due to the arrangement of the trundles, the whole body is inclined, and movement is convenient; during use, the base is matched with a supporting surface to prevent shaking; flame is windproof in the heat dissipation cavity, secondary combustion is achieved, and fuel gas is sufficient.

Description

Technical Field

[0001] This utility model relates to an outdoor gas heater. Background Technology

[0002] The existing technology, Chinese patent 01410609582.3, describes an outdoor gas heater. This outdoor gas heater, from top to bottom, includes a top cover, a connector, a first heating mesh, a second heating mesh, a glass tube, an air cover, and a gas device. The gas device has a gas burner head. The air cover covers the gas burner head, and its upper surface has a through hole matching the lower end of the glass tube. The second heating mesh has a through hole matching the upper end of the glass tube. The glass tube is installed between the air cover and the second heating mesh. Above the second heating mesh, the first heating mesh, the connector, and the top cover are installed in sequence. Problems include insufficient secondary air during combustion, resulting in low power; and inconvenience in movement. Utility Model Content

[0003] The purpose of this utility model is to provide a portable outdoor gas heater that is easy to move, windproof, backfire-proof, and has high power.

[0004] This utility model is implemented as follows: a portable outdoor gas heater, characterized in that it includes a gas cylinder, a base, a shell, a door, a burner, a heat dissipation cavity, a protective safety net, a hollow top cover, and casters.

[0005] The base includes a hollow, open-bottomed main body, a plug-in part, and a plug-in hole provided in the plug-in part;

[0006] The shell is hollow and has a bottom opening, including a door and air inlet on the circumferential wall and an internal interface pipe on the top plate;

[0007] The burner includes a combustion head, an ejector tube, and a nozzle;

[0008] The heat dissipation cavity includes a bottom cavity seat, a metal mesh body, and a top cover. An external interface pipe is provided on the bottom cavity seat. The diameter of the heat dissipation cavity is smaller than the diameter of the shell.

[0009] The annular seat at the bottom of the gas cylinder is inserted into the insertion hole, and the insertion part supports the gas cylinder. The insertion part is inserted into the shell and fixed. The main body of the seat supports the lower end of the shell. One side of the door is pivotally connected to the shell, and the other side is connected to the shell through a box buckle. The inner interface pipe is inserted into the outer interface pipe, and the top of the shell supports the outer interface pipe. The ejector tube extends into the shell from the heat dissipation cavity, and the nozzle is located on the end of the ejector tube located inside the shell. The hollow top cover is fixed to the top of the heat dissipation cavity. The upper and lower ends of the protective safety net are fixed to the hollow top cover and the top of the shell, respectively. Casters are located on the main body of the seat. Under normal conditions, the support surface supports the main body of the seat. When moving, the casters cooperate with the support surface.

[0010] The portable outdoor gas heater described above is characterized in that: the main body of the base is cylindrical;

[0011] It also includes a wheel seat and a fixed shaft, the wheel seat including an arc-shaped fixing part and a shaft bracket plate;

[0012] The arc-shaped fixing part is fitted and fixed to the main body of the seat, the fixed shaft is fixed to the shaft frame plate, and the casters are pivotally connected to both ends of the fixed shaft.

[0013] The portable outdoor gas heater is characterized in that: the top plate of the shell includes an annular plate portion and a frustum-shaped portion, and the inner interface pipe is located on the top plate of the frustum-shaped portion.

[0014] The bottom cavity includes an inverted frustum-shaped cavity, a cylindrical cavity, and a connecting cavity; the inverted frustum-shaped cavity is provided with a secondary air inlet; the external interface is located on the bottom plate of the inverted frustum-shaped cavity;

[0015] The lower end of the metal mesh portion is inserted into the connecting cavity and fixed together.

[0016] The portable outdoor gas heater is characterized in that the metal mesh body is made of metal sheet with punched mesh holes, and the mesh holes are circular.

[0017] The portable outdoor gas heater is characterized in that: the burner head includes a head base, a mesh mixing chamber with a lower opening, and a flame cap.

[0018] The head base is hollow and has an upper opening, including a countersunk hole, an air inlet connection hole and an annular combustion plate. The countersunk hole protrudes outward and the annular combustion plate is provided with a lower half combustion hole.

[0019] The flame cap is hollow and has a lower opening. An annular cover plate is provided on the lower opening, and an upper combustion hole is provided on the annular cover plate.

[0020] The burner cap and head base are fastened together, the annular cover plate and the annular combustion plate are fixed together, and the upper half combustion hole and the lower half combustion hole constitute the combustion hole; the mesh mixing chamber is located in the countersunk hole, and the mesh mixing chamber and the burner cap top plate are fitted together to form the annular air supply chamber.

[0021] The portable outdoor gas heater is characterized by the following feature: the volume of the combustion hole gradually increases from the radial inner side to the radial outer side.

[0022] The portable outdoor gas heater is characterized by having a diamond-shaped combustion hole.

[0023] The portable outdoor gas heater is characterized by the fact that the mesh mixing chamber has a spherical curved surface.

[0024] The portable outdoor gas heater is characterized by the fact that the mesh mixing chamber is made of stamped metal sheet with circular mesh holes.

[0025] This utility model is a portable outdoor gas heater. The casters allow for easy movement by tilting the entire unit. During use, the base and support surface work together to prevent wobbling. The flame is protected from wind in the heat dissipation chamber and undergoes secondary combustion, ensuring complete gas combustion. Attached Figure Description

[0026] Figure 1 This is a cross-sectional view of the present invention.

[0027] Figure 2 This is a perspective view of the present invention.

[0028] Figure 3 This is one of the exploded perspective views of this utility model.

[0029] Figure 4 This is the second exploded perspective view of this utility model.

[0030] Figure 5 This is a perspective view of the burner of this utility model.

[0031] Figure 6 This is a partial front view of the burner of this utility model.

[0032] Figure 7 This is one of the exploded perspective views of the burner of this utility model.

[0033] Figure 8 This is the second exploded perspective view of the burner of this utility model. Detailed Implementation

[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] like Figure 1As shown, a portable outdoor gas heater includes a gas cylinder 1, a base 2, a shell 3, a door 4, a burner 5, a heat dissipation cavity 6, a safety net 7, a hollow top cover 8, and casters 9.

[0037] The base 2 includes a hollow, open-bottomed body 21, a plug-in part 22, and a plug-in hole 23 provided in the plug-in part 22;

[0038] The hollow housing 3 has a bottom opening, including a doorway 31 and an air inlet 32 ​​on the circumferential wall, and an inner interface pipe 33 on the top plate;

[0039] The burner 5 includes a combustion head 51, an ejector tube 52, and a nozzle 53;

[0040] The heat dissipation cavity 6 includes a hollow, open-top bottom cavity seat 61, a metal mesh part 62, and a hollow, open-bottom cavity top cover 63. An external interface pipe 611 is provided on the bottom cavity seat 61. The diameter of the heat dissipation cavity 6 is smaller than the diameter of the shell 3. The upper and lower ends of the metal mesh part 62 are respectively inside and fixed to the cavity top cover 63 and the bottom cavity seat 61.

[0041] The outer peripheral surface of the hollow top cover 8 is provided with heat dissipation holes 81, which serve to insulate against heat and prevent scalding.

[0042] The annular seat 1A at the bottom of the gas cylinder 1 is inserted into the insertion hole 23, the insertion part 22 supports the gas cylinder 1, the insertion part 22 is inserted into the shell 3 and fixed, and the seat body 21 supports the lower end of the shell 3; one side of the door 4 is pivotally connected to the shell 3, and the other side is connected to the shell 3 through a box buckle; the inner interface tube 33 is inserted into the outer interface tube 611, and the top of the shell 3 supports the outer interface tube 611; the ejector tube 52 extends into the shell 3 from the heat dissipation cavity 6, and the nozzle 53 is located on the end of the ejector tube 52 located inside the shell 3; the combustion head 51 is located inside the heat dissipation cavity 6; the hollow top cover 8 is fixed to the top of the heat dissipation cavity 6, and the upper and lower ends of the protective safety net 7 are fixed to the hollow top cover 8 and the top of the shell 3, respectively; the caster 9 is located on the seat body 21; under normal conditions, the support surface supports the seat body 21; when moving, the caster 9 cooperates with the support surface;

[0043] With this design, the flame generated by the combustion head 51 fills the heat dissipation cavity 6, and the unburned portion continues to burn in the metal mesh part 62 of the heat dissipation cavity 6, improving combustion efficiency and reducing exhaust emissions. The heat dissipation cavity 6 also serves to prevent wind and backfire of the combustion head 51.

[0044] As a further improvement of this utility model: the main body 21 of the seat is cylindrical;

[0045] It also includes a wheel seat 10 and a fixed shaft 11. The wheel seat 10 includes an arc-shaped fixing part 101 and a shaft bracket plate 102.

[0046] The arc-shaped fixing part 101 is fitted and fixed to the seat body 21, the fixed shaft 11 is fixed to the shaft frame plate 102, and the caster 9 is pivotally connected to both ends of the fixed shaft 11.

[0047] As a further improvement of this utility model: the top plate of the housing 3 includes an annular plate portion 34 and a frustum-shaped portion 35, and the inner interface tube 33 is disposed on the top plate of the frustum-shaped portion 35.

[0048] The bottom cavity seat 61 includes an inverted frustum-shaped cavity 612, a cylindrical cavity 613, and a connecting cavity 614; the inverted frustum-shaped cavity 612 is provided with a secondary air inlet hole; the external interface pipe 611 is provided on the bottom plate of the inverted frustum-shaped cavity 612;

[0049] The lower end of the metal mesh portion 62 is inserted into the connecting cavity 614 and fixed together. With this structure, a large amount of secondary air can be provided to the burner head 51.

[0050] The metal mesh part 62 is made of metal sheet with punched mesh holes, and the mesh holes are circular.

[0051] like Figure 5 , Figure 7 , Figure 8 As shown, the combustion head 51 of the burner 5 includes a head base 511, a mesh mixing chamber 512 with a lower opening, and a flame cap 513.

[0052] The head base 511 is hollow and has an upper opening, including a countersunk hole 5111, an air inlet connection hole 5112 and an annular combustion plate 5113. The countersunk hole 511 protrudes outward, and the annular combustion plate 5113 is provided with a lower half combustion hole 51131; the air inlet connection hole 5112 is used to connect with the ejector tube.

[0053] The burner cap 513 is hollow and has a lower opening. An annular cover plate 5131 is provided on the lower opening. An upper half combustion hole 51311 is provided on the annular cover plate 5131.

[0054] The burner cap 513 and the head base 511 are fastened together, and the annular cover plate 5131 and the annular combustion plate 5113 are fixed. The upper half combustion hole 51311 and the lower half combustion hole 51131 constitute the combustion hole 514. The mesh mixing chamber 512 is located inside the countersunk hole 5111, and the mesh mixing chamber 512 and the top plate of the burner cap 513 are fitted together to form an annular gas supply chamber. The combustion hole 514 and the annular gas supply chamber are connected. The mesh mixing chamber 512 provides wind protection and backfire prevention.

[0055] As a further improvement of this utility model, the volume of the combustion hole 514 gradually increases from the radially inner side to the radially outer side. With this structure, the air intake end of the combustion hole 514 plays a compression role, and the gradual increase in volume effectively prevents carbon buildup in the combustion hole 514.

[0056] The combustion hole 514 is rhomboid in shape.

[0057] The mesh mixing cavity 512 has a spherical curved surface.

[0058] The mesh mixing cavity 512 is made of stamped metal sheet with circular mesh holes.

[0059] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A portable outdoor gas heater, characterized in that: Includes gas cylinder, base, shell, door, burner, heat dissipation cavity, safety net, hollow top cover, and casters. The base includes a hollow, open-bottomed main body, a plug-in part, and a plug-in hole provided in the plug-in part; The shell is hollow and has a bottom opening, including a door and air inlet on the circumferential wall and an internal interface pipe on the top plate; The burner includes a combustion head, an ejector tube, and a nozzle; The heat dissipation cavity includes a bottom cavity seat, a metal mesh body, and a top cover. An external interface pipe is provided on the bottom cavity seat. The diameter of the heat dissipation cavity is smaller than the diameter of the shell. The annular seat at the bottom of the gas cylinder is inserted into the insertion hole, and the insertion part supports the gas cylinder. The insertion part is inserted into the shell and fixed. The main body of the seat supports the lower end of the shell. One side of the door is pivotally connected to the shell, and the other side is connected to the shell through a box buckle. The inner interface pipe is inserted into the outer interface pipe, and the top of the shell supports the outer interface pipe. The ejector tube extends into the shell from the heat dissipation cavity, and the nozzle is located on the end of the ejector tube located inside the shell. The hollow top cover is fixed to the top of the heat dissipation cavity. The upper and lower ends of the protective safety net are fixed to the hollow top cover and the top of the shell, respectively. Casters are located on the main body of the seat. Under normal conditions, the support surface supports the main body of the seat. When moving, the casters cooperate with the support surface.

2. A portable outdoor gas heater according to claim 1, characterized in that: The main body of the seat is cylindrical; It also includes a wheel seat and a fixed shaft, the wheel seat including an arc-shaped fixing part and a shaft bracket plate; The arc-shaped fixing part is fitted and fixed to the main body of the seat, the fixed shaft is fixed to the shaft frame plate, and the casters are pivotally connected to both ends of the fixed shaft.

3. A portable outdoor gas heater according to claim 1, characterized in that... The top plate of the housing includes an annular plate portion and a frustum-shaped portion, and the inner interface pipe is disposed on the top plate of the frustum-shaped portion; The bottom cavity includes an inverted frustum-shaped cavity, a cylindrical cavity, and a connecting cavity; the inverted frustum-shaped cavity is provided with a secondary air inlet; the external interface pipe is provided on the bottom plate of the inverted frustum-shaped cavity; The lower end of the metal mesh portion is inserted into the connecting cavity and fixed together.

4. A portable outdoor gas heater according to claim 1, characterized in that... The metal mesh body is made of metal sheet with punched mesh holes, and the mesh holes are circular.

5. A portable outdoor gas heater according to claim 1, characterized in that... The combustion head of the burner includes a head base, a mesh mixing chamber with a lower opening, and a flame cap. The head base is hollow and has an upper opening, including a countersunk hole, an air inlet connection hole and an annular combustion plate. The countersunk hole protrudes outward and the annular combustion plate is provided with a lower half combustion hole. The flame cap is hollow and has a lower opening. An annular cover plate is provided on the lower opening, and an upper combustion hole is provided on the annular cover plate. The burner cap and head base are fastened together, the annular cover plate and the annular combustion plate are fixed together, and the upper half combustion hole and the lower half combustion hole constitute the combustion hole; the mesh mixing chamber is located in the countersunk hole, and the mesh mixing chamber and the burner cap top plate are fitted together to form the annular air supply chamber.

6. A portable outdoor gas heater according to claim 5, characterized in that... The volume of the combustion hole gradually increases from the radial inner side to the radial outer side.

7. A portable outdoor gas heater according to claim 5, characterized in that... The combustion holes are diamond-shaped.

8. A portable outdoor gas heater according to claim 5, characterized in that... The mesh mixing cavity has a spherical curved surface.

9. A portable outdoor gas heater according to claim 8, characterized in that... The mesh mixing chamber is made of stamped metal sheet with circular mesh holes.

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