Portable gas stove with machine body overtemperature protection structure

Abstract

The utility model relates to a portable gas stove with a machine body overtemperature protection structure, which comprises a shell, a combustion cavity and a tank body cavity used for clamping a gas tank are respectively arranged in the shell, a gas burner and an ignition device are arranged in the combustion cavity, a gas control valve used for switching on and off the gas tank is arranged in the tank body cavity, and the gas control valve is connected with the ignition device. The shell is provided with a valve closing and tank withdrawing device linked with the gas control valve and the gas tank, the valve closing and tank withdrawing device is provided with a trigger end, the shell is further provided with an overtemperature protection device, the temperature sensing end of the overtemperature protection device extends into the combustion cavity, the action end of the overtemperature protection device is adjacent to or abuts against the trigger end, and when the temperature of the machine body is equal to or higher than the trigger temperature, the overtemperature protection device closes the valve closing and tank withdrawing device. The action end of the overtemperature protection device triggers the valve closing and tank retreating device to act, so that the fuel gas tank is separated from the fuel gas control valve, or / and the fuel gas control valve is closed to cut off fuel gas; after the over-temperature protection device is additionally arranged on the portable gas stove, the stove body has extremely high safety, the danger caused by over-high temperature in the stove body can be avoided, and the personal safety of a user is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cassette stove, specifically a cassette stove with machine body overtemperature protection structure. BACKGROUND

[0002] The cassette stove is provided with a gas burner and a gas tank, and the distance between the gas burner and the gas tank is very close. The heat generated by the gas burner can affect the gas tank, and the gas tank can be easily exploded under high temperature. Therefore, the cassette stove must be placed in a ventilated position for use, and the gas tank should not be placed near other heat sources to prevent the gas tank from exploding and causing harm to the user's personal safety.

[0003] The existing technology uses an exhaust pipe to cool the installation groove of the cassette gas tank, which can achieve the purpose of cooling the cassette gas tank. However, when the installation groove of the cassette gas tank is abnormally high in temperature, the exhaust pipe alone cannot meet the cooling demand, and the cassette gas tank can be easily exploded under high temperature, causing harm to the user. Therefore, the cassette stove needs an overtemperature protection structure to cut off the gas supply in time to prevent continuous heating. Therefore, the existing cassette stove needs to be further improved. SUMMARY

[0004] The utility model discloses a cassette stove with a machine body overtemperature protection structure, which can avoid high temperature in the machine body and ensure the personal safety of the user.

[0005] The cassette stove with a machine body overtemperature protection structure comprises a shell, a combustion chamber and a tank body cavity for clamping a gas tank. The combustion chamber is provided with a gas burner and an ignition device. The tank body cavity is provided with a gas control valve for controlling the gas tank. The shell is provided with a valve closing and tank withdrawing device that is linked with the gas control valve and the gas tank. The valve closing and tank withdrawing device is provided with a trigger end. The shell is also provided with an overtemperature protection device. The temperature sensing end of the overtemperature protection device extends into the combustion chamber, and the action end of the overtemperature protection device is adjacent to or abuts against the trigger end. When the temperature of the machine body is equal to or higher than the trigger temperature, the action end of the overtemperature protection device triggers the valve closing and tank withdrawing device to act, so that the gas tank is separated from the gas control valve, or / and the gas control valve is closed to cut off the gas supply.

[0006] The utility model can also be solved by the following technical measures:

[0007] As a more specific scheme, the over-temperature protection device comprises a temperature sensing sheet, which is transversely connected to the housing, with one part extending into the combustion chamber to form a temperature sensing end and the other part extending out of the combustion chamber to form an action end.

[0008] As a further scheme, the gas burner is provided with a metal connecting plate at the end connected to the housing, and the temperature sensing end of the temperature sensing sheet is riveted to the lower side of the metal connecting plate.

[0009] As a further scheme, the valve closing and tank removing device comprises a manual operating lever, a tank removing driving member and a safety trip plate, the manual operating lever is linked to the action end of the temperature sensing sheet, the manual operating lever is linked to the gas tank through the tank removing driving member, and the manual operating lever is linked to the gas control valve through the safety trip plate.

[0010] As a further scheme, the manual operating lever comprises a pivoted base body, which is pivotally connected to the housing, one end of the pivoted base body is provided with a lever rod extending out of the housing, the end of the lever rod is provided with a knob, the other end of the pivoted base body is provided with a touch rod, the end of the touch rod is provided with a trigger plate, and the trigger plate is arranged on the lower side of the action end to form a trigger end.

[0011] As a further scheme, the tank removing driving member comprises a tank removing driving plate, the front and rear ends of the tank removing driving plate are respectively provided with a tank clamp and a pressing seat plate extending into the tank cavity to push the gas tank forward and backward, and the tank removing driving plate is slidably connected to the housing through the tank clamp and the pressing seat plate; one end of the tank removing driving plate close to the tank clamp is fixed with a driving shaft, and a long strip driving hole is formed in the pivoted base body to slidably cooperate with the driving shaft.

[0012] As a further scheme, the safety trip plate comprises a trip plate base, which is pivotally connected to the gas control valve, one end of the trip plate base is provided with a driving plate, the lever rod is adjacent to or abuts on the upper side of the driving plate, the other end of the trip plate base is provided with a driven plate, and the driven plate is adjacent to or abuts on the lower side of the gas control valve.

[0013] As a further scheme, a heat insulation cavity is further arranged between the combustion chamber and the tank cavity in the housing, and the action end of the temperature sensing sheet and the valve closing and tank removing device are arranged in the heat insulation cavity.

[0014] As a further scheme, a juice receiving disc is arranged in the combustion chamber, the juice receiving disc is arranged on the lower side of the gas burner, an open hole is formed in the side wall of the combustion chamber corresponding to the juice receiving disc, and the juice receiving disc is transversely and pullably arranged in the combustion chamber through the open hole.

[0015] As a further scheme, a stove mouth support frame is detachably arranged on one side of the housing corresponding to the combustion chamber, and a flip cover is flip-connectedly arranged on one side of the housing corresponding to the tank cavity to open or close the tank cavity.

[0016] The utility model discloses a take body overtemperature protection structure's cassette stove, this cassette stove adds overtemperature protection device, makes the body have very high security, can avoid the danger that the temperature is too high in the body, ensures user's personal safety, and has simple structure and process, convenient maintenance, mechanical structure reliable, stability higher advantage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is structural schematic diagram of one embodiment in the utility model.

[0018] Figure 2 It is sectional structure schematic diagram of cassette stove in the utility model.

[0019] Figure 3 It is Figure 2 The enlarged structure schematic diagram of D place in the utility model (temperature sensing sheet normal state).

[0020] Figure 4 It is Figure 2 The enlarged structure schematic diagram of D place in the utility model (temperature sensing sheet overtemperature state).

[0021] Figure 5 And Figure 6 It is structural schematic diagram of valve closing and tank withdrawing device in the utility model.

[0022] Figure 7 It is exploded structural schematic diagram of cassette stove in the utility model. DETAILED DESCRIPTION

[0023] The utility model is further explained below in connection with the drawings and examples.

[0024] Reference Figures 1 to 7 As shown in the figure, a cassette stove with body overtemperature protection structure, including casing 1, the casing 1 is divided and is provided with combustion cavity A and the tank cavity B for the joint of gas tank 2, the combustion cavity A is provided with gas burner 3 and ignition device 4, the tank cavity B is provided with gas control valve 5 that the gas tank 2 is switched on and off, the casing 1 is provided with the valve closing and tank withdrawing device 6 that is linked with gas control valve 5 and gas tank 2, and the valve closing and tank withdrawing device 6 is provided with trigger end, the casing 1 is also provided with overtemperature protection device 7, the temperature sensing end 7a of overtemperature protection device 7 extends into combustion cavity A, and the action end 7b thereof is adjacent or abuts on the trigger end, when the body temperature is equal to or exceeds the trigger temperature, the action end 7b of overtemperature protection device 7 triggers the valve closing and tank withdrawing device 6 to act, makes gas tank 2 separate from gas control valve 5, or / and, closes gas control valve 5 to reach the gas cut-off.

[0025] This cassette stove adds overtemperature protection device, makes the body have very high security, can avoid the danger that the temperature is too high in the body, ensures user's personal safety.

[0026] In the embodiment, the over-temperature protection device 7 comprises a bimetallic sheet made temperature sensing sheet 71, which is transversely connected to the shell 1, one part of which extends into the combustion chamber A to form a temperature sensing end 7a, and the other part extends out of the combustion chamber A to form an action end 7b. The use of the temperature sensing sheet 71 has the advantages of simple structure and process, convenient maintenance, reliable mechanical structure, high stability, etc.

[0027] The metal connecting plate 8 is arranged on the gas burner 3 close to the end connected to the shell 1, and the temperature sensing end 7a of the temperature sensing sheet 71 is riveted to the lower side of the metal connecting plate 8. The metal connecting plate 8 can fix and install the temperature sensing sheet 71, and the temperature sensing sheet 71 can directly sense the temperature of the metal connecting plate 8, so that the reaction time of the temperature sensing sheet 71 is shorter, and the action is more timely and accurate.

[0028] The valve closing and tank withdrawing device 6 comprises a manual operating rod 9, a tank withdrawing driving member 10, and a safety jump plate 11. The manual operating rod 9 is linked with the temperature sensing action end 7b, and the manual operating rod 9 is linked with the gas tank 2 through the tank withdrawing driving member 10, and the manual operating rod 9 is linked with the gas control valve 5 through the safety jump plate 11.

[0029] The manual operating rod 9 comprises a pivoted base body 91, which is pivotally connected to the shell 1. One end of the pivoted base body 91 is provided with a lever 92 extending out of the shell 1, and the end of the lever 92 is provided with a knob 93. The other end of the pivoted base body 91 is provided with a touch rod 94, and the end of the touch rod 94 is provided with a trigger plate 95, which is arranged on the lower side of the action end 7b and forms a trigger end.

[0030] The tank withdrawing driving member 10 comprises a tank withdrawing driving plate 1001, which is provided with a tank clamp 1002 and a pressing seat plate 1003 extending into the tank cavity B and pushing the gas tank 2 forward and backward. The tank withdrawing driving plate 1001 is slidably connected to the shell 1 through the tank clamp 1002 and the pressing seat plate 1003, and a return spring 1005 is further arranged between the tank clamp 1002 and the shell 1. One end of the tank withdrawing driving plate 1001 close to the tank clamp 1002 is fixedly provided with a driving shaft 1004, and a long strip driving hole 911 is formed in the pivoted base body 91 to slidably cooperate with the driving shaft 1004.

[0031] The safety jump plate 11 comprises a jump plate base 111, which is pivotally connected to the gas control valve 5. One end of the jump plate base 111 is provided with a driving plate 112, and the lever 92 is adjacent to or abuts against the upper side of the driving plate 112. The other end of the jump plate base 111 is provided with a driven driving plate 113, which is adjacent to or abuts against the lower side of the gas control valve 5.

[0032] In combination with the above structure, the valve closing and tank removing device 6 works as follows:

[0033] Before use, the user places the gas tank 2 into the tank cavity B, and then presses the knob 93 to make the push rod 92 swing downward, at this time, the push rod 92 presses against the driving plate 112 to make the safety jump plate 11 swing, and the driven driving plate 113 triggers the gas control valve 5, so that the gas control valve 5 triggers the lever 94 to swing upward and make the trigger plate 95 abut or abut against the lower side of the action end 7b of the temperature sensing sheet 71, at the same time, the pivot base 91 pulls the driving shaft 1004 forward, so that the driving plate 1001 slides forward, and the reset spring is stretched, and the tank clamp 1002 and the pressing seat plate 1003 push the gas tank 2 into the gas control valve 5 to realize the connection of the gas circuit.

[0034] When in use, after the temperature sensing end 7a of the temperature sensing sheet 71 senses that the temperature of the machine body is too high, the action end 7b of the temperature sensing sheet 71 deforms downward and presses the trigger plate 95 to trigger the manual operating lever 9 to move to the automatic reset position, when resetting, under the potential energy of the reset spring, the driving plate 1001 slides backward and pushes the pivot base 91 quickly, and finally the tank clamp 1002 pulls the gas tank 2 out of the gas control valve 5 to achieve the purpose of cutting off the gas.

[0035] Alternatively, after the user rotates the knob 51 on the gas control valve 5 to close the valve, the structure on the gas control valve 5 triggers the safety jump plate 11, and the driving plate 112 on the safety jump plate 11 lifts the push rod 92 upward, which can also trigger the manual operating lever 9 to reset automatically, so that the gas tank 2 is separated from the gas control valve 5 to cut off the gas.

[0036] The housing 1 is further provided with a heat insulation cavity C between the combustion cavity A and the tank cavity B, and the action end 7b of the temperature sensing sheet 71 and the valve closing and tank removing device 6 are arranged in the heat insulation cavity C; the heat insulation cavity C can provide better heat insulation effect, reduce or block the heat transfer from the combustion cavity A to the tank cavity B, so that the gas tank in the tank cavity B is safer and the environment temperature is more stable.

[0037] The combustion cavity A is provided with a juice receiving disc 12, the juice receiving disc 12 is arranged on the lower side of the gas burner 3, the side wall of the combustion cavity A is provided with an open hole 101 corresponding to the juice receiving disc 12, and the juice receiving disc 12 is arranged in the combustion cavity A in a transverse push-pull manner through the open hole 101; during use, the juice receiving disc 12 can collect water, juice, food or residue overflowing from the pot, so as to avoid the water, juice, food or residue from dropping to the bottom of the combustion cavity A and causing cleaning difficulty.

[0038] The housing 1 is detachably provided with a stove mouth support frame 13 corresponding to one side of the combustion cavity A; the stove mouth support frame 13 can support the cooking utensils such as pots and baking trays.

[0039] The shell 1 is reversely connected with a flip cover 14 which can open or close the tank cavity B on one side of the tank cavity B; the flip cover 14 can close the tank cavity B and protect the gas tank in the tank cavity B.

[0040] The above is the preferred scheme of the present application, which shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, which all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A portable gas stove with a tank body over-temperature protection structure, comprising a housing (1), a combustion chamber (A) and a tank body cavity (B) for clamping a gas cylinder (2) are arranged in the housing (1), a gas burner (3) and an ignition device (4) are arranged in the combustion chamber (A), a gas control valve (5) for switching the gas cylinder (2) is arranged in the tank body cavity (B), a valve closing and tank withdrawing device (6) linked with the gas control valve (5) and the gas cylinder (2) is arranged on the housing (1), and a trigger end is arranged on the valve closing and tank withdrawing device (6), characterized in that: The shell (1) is further provided with an over-temperature protection device (7), the temperature sensing end (7a) of the over-temperature protection device (7) extends into the combustion chamber (A), and the action end (7b) thereof is adjacent to or abuts against the trigger end; when the temperature of the machine body is equal to or exceeds the trigger temperature, the action end (7b) of the over-temperature protection device (7) triggers the action of the valve closing and tank dismounting device (6), so as to separate the gas tank (2) from the gas control valve (5), or / and, close the gas control valve (5) to cut off the gas.

2. The cartridge-type furnace with a structure for protecting a body from overheating according to claim 1, wherein: The over-temperature protection device (7) comprises a temperature sensing sheet (71) which is transversely connected to the shell (1), wherein one part extends into the combustion chamber (A) to form the temperature sensing end (7a), and the other part extends out of the combustion chamber (A) to form the action end (7b).

3. The cartridge of claim 2, wherein: The gas burner (3) is provided with a metal connecting plate (8) on the end adjacent to the shell (1), and the temperature sensing end (7a) of the temperature sensing sheet (71) is riveted to the lower side of the metal connecting plate (8).

4. The cartridge-type oven with a body over-temperature protection structure according to claim 2, characterized in that: The valve closing and tank dismounting device (6) comprises a manual operating lever (9), a tank dismounting driving member (10) and a safety jump plate (11); the manual operating lever (9) is linked with the temperature sensing action end (7b); the manual operating lever (9) is linked with the gas tank (2) through the tank dismounting driving member (10); and the manual operating lever (9) is linked with the gas control valve (5) through the safety jump plate (11).

5. The cassette oven with a body over-temperature protection structure according to claim 4, characterized in that: The manual operating lever (9) comprises a pivoted base body (91) which is pivotally connected to the shell (1); one end of the pivoted base body (91) is provided with a lever rod (92) extending out of the shell (1); the end of the lever rod (92) is provided with a knob (93); the other end of the pivoted base body (91) is provided with a trigger lever (94); the end of the trigger lever (94) is provided with a trigger plate (95) which is arranged on the lower side of the action end (7b) and forms the trigger end.

6. The cassette oven with a body over-temperature protection structure according to claim 5, characterized in that: The tank dismounting driving member (10) comprises a tank dismounting driving plate (1001); the front and rear ends of the tank dismounting driving plate (1001) are respectively provided with a tank clamp (1002) and a pressing seat plate (1003) which extend into the tank cavity (B) and push the gas tank (2) to move forward and backward; the tank dismounting driving plate (1001) is slidably connected to the shell (1) through the tank clamp (1002) and the pressing seat plate (1003); one end of the tank dismounting driving plate (1001) adjacent to the tank clamp (1002) is fixed with a driving shaft (1004); and the pivoted base body (91) is provided with a long strip driving hole (911) which slidably cooperates with the driving shaft (1004).

7. The cassette oven with a body over-temperature protection structure according to claim 5, characterized in that: The safety jump plate (11) comprises a jump plate base (111) which is pivotally connected to the gas control valve (5); one end of the jump plate base (111) is provided with a driving plate (112); the lever rod (92) is adjacent to or abuts against the upper side of the driving plate (112); the other end of the jump plate base (111) is provided with a driven driving plate (113) which is adjacent to or abuts against the lower side of the gas control valve (5).

8. A cassette oven with a body over-temperature protection structure according to any one of claims 2-6, characterized in that: The shell (1) is further provided with a heat insulation cavity (C) between the combustion cavity (A) and the tank cavity (B), and the action end (7b) of the temperature-sensitive sheet (71) and the valve closing and tank withdrawing device (6) are arranged in the heat insulation cavity (C).

9. The cassette oven with a body over-temperature protection structure according to claim 1, characterized in that: The combustion cavity (A) is provided with a juice receiving disc (12), the juice receiving disc (12) is arranged on the lower side of the gas burner (3), the side wall of the combustion cavity (A) is provided with an open port (101) corresponding to the juice receiving disc (12), and the juice receiving disc (12) is arranged in the combustion cavity (A) in a transverse push-pull mode through the open port (101).

10. The cassette oven with a body over-temperature protection structure according to claim 1, characterized in that: The shell (1) is detachably provided with a furnace mouth support frame (13) corresponding to one side of the combustion cavity (A); and the shell (1) is reversely connected with a flip cover (14) which can open or close the tank cavity (B) corresponding to one side of the tank cavity (B).

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