CN214841025U - Fuel tank structure of portable inflating furnace - Google Patents
Fuel tank structure of portable inflating furnace Download PDFInfo
- Publication number
- CN214841025U CN214841025U CN202121631158.0U CN202121631158U CN214841025U CN 214841025 U CN214841025 U CN 214841025U CN 202121631158 U CN202121631158 U CN 202121631158U CN 214841025 U CN214841025 U CN 214841025U
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- fuel tank
- wall
- bottom cover
- side wall
- limiting
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Abstract
The utility model provides a fuel tank structure of portable gas-filled furnace, the fuel tank includes the roof, the diapire relative with the roof and connects between roof and diapire and the lateral wall that separates roof and diapire, roof, diapire and lateral wall surround into the fuel tank cavity that is used for storing fuel, roof and lateral wall of the fuel tank are integrated into one piece, the upper end of the lateral wall is connected with the roof, the lower extreme of the lateral wall opens and forms the lateral wall opening; the fuel tank also comprises a bottom cover, the bottom wall of the fuel tank is formed on the bottom cover, the bottom cover also comprises a circle of bottom cover peripheral wall surrounding the bottom wall of the fuel tank, and the bottom wall of the fuel tank and the bottom cover peripheral wall are integrally formed; the bottom cover is inserted into a side wall of the fuel tank through the side wall opening, and a locking portion for locking the bottom cover in the side wall is provided at a lower end of the side wall. The fuel tank of the technical scheme does not need to be welded, and the condition of insufficient welding can not occur.
Description
Technical Field
The utility model relates to a fuel tank structure of a portable gas-filled furnace.
Background
The existing fuel tank is usually formed by splicing an upper shell and a lower shell, in the splicing process, the upper shell and the lower shell are usually connected by adopting a welding process, and the welding process is easy to cause the condition of insufficient welding, so that the phenomenon of gas leakage of the fuel tank is caused, and accidental explosion accidents are easy to happen.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fuel tank structure of portable gas-filled stove, this fuel tank includes roof, the diapire relative with the roof and connects between roof and diapire and separates the lateral wall of roof and diapire, this roof, diapire and lateral wall surround the fuel tank cavity that is used for storing fuel, roof and lateral wall of this fuel tank are integrated into one piece, the upper end of this lateral wall is connected with the roof, the lower extreme of this lateral wall opens and forms the lateral wall opening; the fuel tank also comprises a bottom cover, the bottom wall of the fuel tank is formed on the bottom cover, the bottom cover also comprises a circle of bottom cover peripheral wall surrounding the bottom wall of the fuel tank, and the bottom wall of the fuel tank and the bottom cover peripheral wall are integrally formed; the bottom cover is inserted into a side wall of the fuel tank through the side wall opening, and a locking portion for locking the bottom cover in the side wall is provided at a lower end of the side wall.
The fuel tank of the technical scheme does not need to be welded, so that the condition of insufficient soldering can be avoided, the phenomenon of fuel leakage caused by insufficient soldering can be avoided, and the safety risk can be reduced.
Drawings
Fig. 1 is a perspective view of a portable gas-filled stove applied by the present invention.
Fig. 2 is an exploded perspective view of a portable gas-filled stove to which the present invention is applied.
Fig. 3 is a top view of a portable gas-filled stove to which the present invention is applied.
Fig. 4 is a cross-sectional view taken along the plane a-a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Fig. 6 is an enlarged view of a portion C in fig. 4.
Fig. 7 is an exploded view of the components of fig. 4.
Detailed Description
The application scheme is further described below with reference to the accompanying drawings:
referring to fig. 1-7, a fuel tank structure of a portable gas-filled stove, the fuel tank 10 includes a top wall 11, a bottom wall 12 opposite to the top wall 11, and a side wall 13 connected between the top wall 11 and the bottom wall 12 to separate the top wall 11 from the bottom wall 12, the top wall 11, the bottom wall 12 and the side wall 13 enclosing a fuel tank cavity 101 for storing fuel.
The bottom wall 12 of the fuel tank 10 is provided with an inflation valve 20, the fuel tank 10 is provided with a limiting assembly, the limiting assembly comprises a top limiting member pressing against the top wall 11 and a bottom limiting member pressing against the bottom wall 12, and the top limiting member and the bottom limiting member are relatively and fixedly assembled together to enable the top wall 11 and the bottom wall 12 to be clamped between the top limiting member and the bottom limiting member, so that the top wall 11 and the bottom wall 12 are limited to expand in a relatively far-away mode.
A flow rate control valve 30 is mounted on the top wall 11 of the fuel tank 10; the top wall 11 of the fuel tank 10 is provided with a top wall through hole 111 communicated with the fuel tank cavity 101; the bottom wall 12 of the fuel tank 10 is provided with a bottom wall through hole 121 communicating with the fuel tank cavity 101, and in this embodiment, the top wall through hole 111 and the bottom wall through hole 121 are in a communicating state. The top limiter comprises a valve body 31 of the flow control valve, and the valve body 31 of the flow control valve is provided with a top limiter connecting part which extends into the fuel tank cavity 101 through a top wall through hole 111. The bottom limiting member comprises a valve body 21 of the inflation valve 20, and the valve body 21 of the inflation valve 20 is provided with a bottom limiting member connecting part extending into the fuel tank cavity 101 through a bottom wall through hole 121. The top limiting part connecting part is in threaded connection with the bottom limiting part connecting part, so that the top limiting part and the bottom limiting part are assembled together in a relatively fixed mode. This technical scheme can be convenient for the assembly of top locating part and bottom locating part.
Specifically, the top wall penetration hole 111 is located at the center of the top wall 11 of the fuel tank 10; the bottom wall penetration hole 121 is located at the center of the bottom wall 12 of the fuel tank 10; the top position limiting member connecting portion is provided with a screw hole 311, the bottom position limiting member connecting portion is provided with a screw 211, and the screw 211 is screwed into the screw hole 311, so that the top position limiting member and the bottom position limiting member are relatively and fixedly assembled together.
The top stopper connecting portion is externally fitted with a top elastic seal 301, and the top elastic seal 301 is sandwiched between the valve main body 31 of the flow rate control valve and the top wall 11 of the fuel tank 10 to seal the top wall through hole 111. The valve body 21 of the charge valve 20 is provided with a ring-shaped limiting ring 212 which is pressed against the bottom wall 12 of the fuel tank 10, the valve body 21 of the charge valve 20 is sleeved with a bottom elastic sealing ring 201, and the bottom elastic sealing ring 201 is clamped between the limiting ring 212 and the bottom wall 12 of the fuel tank 10 to seal the bottom through hole.
The top wall 11 and the side wall 13 of the fuel tank 10 are integrally formed, the upper end of the side wall 13 is connected to the top wall 11, and the lower end of the side wall 13 is opened to form a side wall opening 131. The fuel tank 10 further includes a bottom cover 14, the bottom wall 12 of the fuel tank 10 is formed on the bottom cover 14, the bottom cover 14 further includes a bottom cover peripheral wall 141 surrounding the bottom wall 12 of the fuel tank 10, and the bottom wall 12 of the fuel tank 10 and the bottom cover peripheral wall 141 are integrally formed. The bottom cover 14 is inserted into the side wall 13 of the fuel tank 10 through the side wall opening 131, and the lower end of the side wall 13 is provided with a locking portion 132 that locks the bottom cover 14 into the side wall 13. The locking portion 132 is formed by folding the lower end of the side wall 13 toward the center of the side wall opening 131 to press the flange of the bottom cover 14.
The fuel tank 10 of the technical scheme does not need to be welded, and the condition of insufficient welding can not occur.
The peripheral wall 141 of the bottom cover is stepped to include a small-diameter section 142 and a large-diameter section 143 connected to each other, the large-diameter section 143 has a diameter larger than that of the small-diameter section 142, and a step surface 144 is formed at a connection of the small-diameter section 142 and the large-diameter section 143. The small-diameter section 142 is located forward of the large-diameter section 143 in a direction in which the bottom cover 14 is inserted into the side wall 13 of the fuel tank 10. The small diameter section 142 is externally fitted with a first bottom cap elastic sealing ring 145. The side wall 13 of the fuel tank 10 is provided with a ring-shaped convex part 133 positioned in the fuel tank cavity 101; the first bottom cover elastic seal ring 145 is clamped between the boss 133 and the step surface 144. The raised portion 133 is a channel in the side wall 13 of the fuel tank 10 that is recessed into the fuel tank cavity 101. The first bottom cover elastic sealing ring 145 has the function of sealing and preventing leakage.
The large diameter section 143 is provided with an annular peripheral groove 146, a second bottom cover elastic sealing ring 147 is installed in the peripheral groove 146, and the second bottom cover elastic sealing ring 147 abuts against the side wall 13 of the fuel tank 10 to form a seal. According to the technical scheme, the first bottom cover elastic sealing ring 145 and the second bottom cover elastic sealing ring 147 jointly form a double-sealing structure, so that the sealing effect can be improved.
In this embodiment, the bottom wall 12 of the fuel tank 10 is further provided with a stopper cylinder 16 located in the fuel tank cavity 101. The retainer cylinder 16 surrounds the top wall aperture 111, the bottom wall aperture 121, and the bottom retainer connection that extends into the fuel tank cavity 101.
The lower end of the limiting cylinder 16 is connected with the bottom wall 12, the upper end of the limiting cylinder 16 extends to the top wall 11 and abuts against the top wall 11 to support the top wall, and the upper end of the limiting cylinder 16 is provided with a limiting cylinder opening 162 communicated with the top perforation. The lower end of the limiting cylinder 16 is communicated with the bottom wall through hole 121.
Claims (10)
1. A fuel tank structure of a portable gas-filled furnace, the fuel tank comprises a top wall, a bottom wall opposite to the top wall and a side wall connected between the top wall and the bottom wall and separating the top wall and the bottom wall, the top wall, the bottom wall and the side wall surround a fuel tank cavity for storing fuel, and the fuel tank structure is characterized in that:
the top wall and the side wall of the fuel tank are integrally formed, the upper end of the side wall is connected with the top wall, and the lower end of the side wall is opened to form a side wall opening;
the fuel tank also comprises a bottom cover, the bottom wall of the fuel tank is formed on the bottom cover, the bottom cover also comprises a circle of bottom cover peripheral wall surrounding the bottom wall of the fuel tank, and the bottom wall of the fuel tank and the bottom cover peripheral wall are integrally formed;
the bottom cover is inserted into a side wall of the fuel tank through the side wall opening, and a locking portion for locking the bottom cover in the side wall is provided at a lower end of the side wall.
2. The fuel tank structure of a portable air-filled stove according to claim 1, characterized in that:
an elastic sealing ring of the bottom cover is clamped between the peripheral wall of the bottom cover and the side wall of the fuel tank.
3. A fuel tank structure of a portable air-filled stove according to claim 2, characterized in that:
the peripheral wall of the bottom cover is in a step shape and comprises a small-diameter section and a large-diameter section which are connected, the diameter of the large-diameter section is larger than that of the small-diameter section, and a step surface is formed at the connecting part of the small-diameter section and the large-diameter section;
the small diameter section is positioned in front of the large diameter section along the direction that the bottom cover is inserted into the side wall of the fuel tank;
the bottom cover elastic sealing ring comprises a first bottom cover elastic sealing ring sleeved outside the small-diameter section;
the side wall of the fuel tank is provided with an annular bulge part positioned in the cavity of the fuel tank;
the first bottom cover elastic sealing ring is clamped between the bulge part and the step surface.
4. A fuel tank structure of a portable air-filled stove according to claim 3, characterized in that:
the large-diameter section is provided with an annular peripheral wall groove, the bottom cover elastic sealing ring further comprises a second bottom cover elastic sealing ring arranged in the peripheral wall groove, and the second bottom cover elastic sealing ring is abutted against the side wall of the fuel tank.
5. The fuel tank structure of a portable air-filled stove according to claim 1, characterized in that:
the locking part is formed by folding the lower end of the side wall to the center of the opening of the side wall to press the flanging of the bottom cover.
6. A fuel tank structure of a portable air-filled stove according to claim 3, characterized in that:
the convex part is a channel which is arranged on the side wall of the fuel tank and is sunken into the cavity of the fuel tank.
7. The fuel tank structure of a portable air-filled stove according to claim 1, characterized in that:
the fuel tank is provided with a limiting assembly, the limiting assembly comprises a top limiting part pressing against the top wall and a bottom limiting part pressing against the bottom wall, and the top limiting part and the bottom limiting part are relatively and fixedly assembled together to enable the top wall and the bottom wall to be clamped between the top limiting part and the bottom limiting part.
8. The fuel tank structure of a portable air-filled stove according to claim 7, characterized in that:
the bottom wall of the fuel tank is provided with an inflation valve;
the top wall of the fuel tank is provided with a flow regulating valve;
the top wall of the fuel tank is provided with a top wall through hole communicated with the cavity of the fuel tank;
the bottom wall of the fuel tank is provided with a bottom wall perforation communicated with the cavity of the fuel tank;
the top limiting part comprises a valve main body of the flow regulating valve, and the valve main body of the flow regulating valve is provided with a top limiting part connecting part which extends into the cavity of the fuel tank through a top wall through hole;
the bottom limiting part comprises a valve body of an inflation valve, and the valve body of the inflation valve is provided with a bottom limiting part connecting part which extends into the cavity of the fuel tank through a bottom wall through hole;
the top locating part connecting part is in threaded connection with the bottom locating part connecting part.
9. A fuel tank structure of a portable air-filled stove according to claim 8, characterized in that:
the top wall perforation is positioned at the center of the top wall of the fuel tank;
the bottom wall perforation is positioned at the center of the bottom wall of the fuel tank;
the top limiting piece connecting part is provided with a screw hole, the bottom limiting piece connecting part is provided with a screw rod, and the screw rod is screwed into the screw hole;
the top elastic sealing ring is sleeved outside the top limiting piece connecting part and clamped between the valve main body of the flow regulating valve and the top wall of the fuel tank to seal the top wall through hole;
the valve body of the inflation valve is provided with an annular limiting ring which is pressed against the bottom wall of the fuel tank, the valve body of the inflation valve is sleeved with a bottom elastic sealing ring, and the bottom elastic sealing ring is clamped between the limiting ring and the bottom wall of the fuel tank to seal the bottom through hole.
10. The fuel tank structure of a portable air-filled stove according to claim 7, characterized in that:
the bottom wall of the fuel tank is also provided with a limiting cylinder positioned in the cavity of the fuel tank;
the lower end of the limiting cylinder is connected with the bottom wall, and the upper end of the limiting cylinder extends to the top wall and abuts against the top wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631158.0U CN214841025U (en) | 2021-07-16 | 2021-07-16 | Fuel tank structure of portable inflating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631158.0U CN214841025U (en) | 2021-07-16 | 2021-07-16 | Fuel tank structure of portable inflating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214841025U true CN214841025U (en) | 2021-11-23 |
Family
ID=78832922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121631158.0U Active CN214841025U (en) | 2021-07-16 | 2021-07-16 | Fuel tank structure of portable inflating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214841025U (en) |
-
2021
- 2021-07-16 CN CN202121631158.0U patent/CN214841025U/en active Active
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