CN216480967U - Two-way flame gun - Google Patents
Two-way flame gun Download PDFInfo
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- CN216480967U CN216480967U CN202123091632.8U CN202123091632U CN216480967U CN 216480967 U CN216480967 U CN 216480967U CN 202123091632 U CN202123091632 U CN 202123091632U CN 216480967 U CN216480967 U CN 216480967U
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Abstract
The utility model discloses a two-way flame gun, including main part, first case, second case, extension pipe and branch flame head, be provided with gas connector, air connector, first case chamber, second case chamber, gas runner, air runner, hybrid chamber, first runner and second runner in the main part, be provided with sprue, flame chamber and branch fire piece on the branch flame head. Gas and air flow into respectively to first case intracavity and second case intracavity through gas runner and air runner, the proportion of mixing chamber mixture is flowed into through first case and second valve core control gas and air, air and gas mix in mixing chamber, and mix for a long time through the extension pipe, later get into and divide the even flame projecting chamber that flows into main runner both sides of burner, thereby can carry out the burning heating to the mould of both sides simultaneously, and make the burning intensity of both sides unanimous, thereby produce the heating effect of same range to the mould of both sides, the heating effect to the mould is better.
Description
Technical Field
The utility model relates to a combustion field, especially a two-way flame gun.
Background
In some initial conditions of mold installation, the mold is heated by a torch. But present spary ware all is single-end flame projecting, and under the condition of two or more moulds, spary ware need circulate and heat every mould, perhaps heats all moulds simultaneously through several spary wares, and every mould heating effect is difficult unified, and the consumption time is long, and the operation is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a two-way flame gun capable of heating both sides of the mold uniformly.
The utility model discloses a technical scheme that the solution problem adopted is: a bi-directional flame gun comprising:
the gas mixing device comprises a main body, a gas inlet and an air inlet are arranged on the main body, a first valve core cavity and a second valve core cavity are arranged in the main body, a gas flow passage for connecting the first valve core cavity and the gas inlet is arranged in the main body, an air flow passage for connecting the second valve core cavity and the air inlet is arranged in the main body, a mixing cavity is arranged on the main body, and a first flow passage for connecting the mixing cavity and the first valve core cavity and a second flow passage for connecting the mixing cavity and the second valve core cavity are arranged in the main body;
a first spool disposed within the first spool cavity;
a second spool disposed within the second spool chamber;
the extension pipe is communicated with the mixing cavity;
divide the fire head, divide the fire head to set up in extension pipe tip, divide to be provided with on the fire head and manage the sprue that is linked together with the extension, divide to be provided with on the fire head to be linked together and the symmetry sets up in the flaming cavity of sprue both sides with the sprue, the opening in flaming cavity is located and divides the fire head surface, be provided with on the flaming cavity and divide the fire piece, divide the piece of fire piece to gather and have a plurality of branch fire holes.
As a further improvement of the technical scheme, the flame-throwing cavity is in a horn shape which is gradually enlarged outwards.
As a further improvement of the technical scheme, a filter screen is arranged on the flaming cavity, and the fire distributing sheet is arranged on the outer side of the filter screen.
As a further improvement of the technical scheme, the fire dividing head surface is provided with a press ring, the filter screen is arranged at the opening of the fire spraying cavity, the fire dividing sheet is arranged on the surface of the fire dividing head and covers the opening of the fire spraying cavity, and the press ring is pressed on the periphery of the fire dividing sheet.
As a further improvement of the above technical solution, the first valve core includes a valve cover, a valve rod, a valve needle and an adjusting button, the valve cover is fixed to the end of the first valve core cavity, a screw hole is provided on the valve cover, a thread screwed on the screw hole is provided on the surface of the valve rod, the valve rod is rotated relative to the screw hole to adjust the length extending into the first valve core cavity, the adjusting button is communicated with the valve rod and used for driving the valve rod to rotate, the valve needle is disposed at the bottom of the valve rod, and a pressure spring is disposed between the valve rod and the valve needle.
As a further improvement of the above technical scheme, a blind hole is formed in the bottom of the valve rod, the valve needle is inserted into the blind hole, the pressure spring is located in the blind hole, and a bearing surface which is abutted against the end surface of the bottom of the valve rod is arranged on the periphery of the valve needle.
As a further improvement of the above technical solution, an air guide nozzle communicated with the first flow passage is arranged in the mixing cavity, a first air passage communicated with the first flow passage and a second air passage communicated with the mixing cavity are arranged in the air guide nozzle, the first air passage and the second air passage are communicated with each other through a third air passage, the cross-sectional area of the first air passage is larger than the second air passage and the third air passage, and the cross-sectional area of the second air passage is larger than the third air passage.
As a further improvement of the above technical solution, the extension pipe is inserted into the mixing chamber, and the end of the air guide nozzle extends into the extension pipe.
As a further improvement of the above technical solution, an end of the first flow passage is disposed at the bottom of the mixing chamber, and an end of the second flow passage is disposed on a sidewall of the mixing chamber.
As a further improvement of the above technical solution, the main body surface is provided with a grip portion.
The utility model has the advantages that: is communicated with gas through a gas connecting port and is communicated with an air pump through an air connecting port, the gas and the air respectively flow into the first valve core cavity and the second valve core cavity through a gas flow channel and an air flow channel, the proportion of the fuel gas and the air flowing into the mixing cavity to be mixed is controlled through the first valve core and the second valve core, the air and the fuel gas are mixed in the mixing cavity, and the gas and the air are mixed for a long time through the extension pipe, so that the gas and the air are mixed more uniformly and then enter the fire dividing head, then uniformly flows into the flame projecting cavities at two sides of the main flow passage along the main flow passage, uniformly sprays the mixed gas through the flame distributing sheets in the flame projecting cavities, ignites the mixed gas to generate combustion, thereby can burn the heating to the mould of both sides simultaneously, and make the burning intensity of both sides unanimous to produce the heating effect of the same range to the mould of both sides, it is better to the heating effect of mould.
Drawings
The invention will be further explained with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along the line A-A of FIG. 1;
FIG. 3 is a schematic view of a portion of the enlarged structure at B of FIG. 2;
fig. 4 is an exploded view of the preferred embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 4, a two-way flame gun includes:
the fuel gas mixing valve comprises a main body 10, wherein a gas connecting port 20 and an air connecting port 21 are arranged on the main body 10, a first valve core cavity 60 and a second valve core cavity 61 are arranged in the main body 10, a fuel gas flow channel 50 for connecting the first valve core cavity 60 and the gas connecting port 20 is arranged in the main body 10, an air flow channel 51 for connecting the second valve core cavity 61 and the air connecting port 21 is arranged in the main body 10, a mixing cavity 64 is arranged on the main body 10, and a first flow channel 62 for connecting the mixing cavity 64 and the first valve core cavity 60 and a second flow channel 63 for connecting the mixing cavity 64 and the second valve core cavity 61 are arranged in the main body 10;
a first spool 70, the first spool 70 disposed within the first spool chamber 60;
a second spool 71, the second spool 71 being disposed within the second spool chamber 61;
an extension tube 30, said extension tube 30 being in communication with said mixing chamber 64;
divide the fire head 40, divide the fire head 40 to set up in extension pipe 30 tip, it has the sprue 41 that is linked together with extension pipe 30 to divide to be provided with on the fire head 40, it is linked together and the symmetry sets up the flaming chamber 42 in sprue 41 both sides with sprue 41 to divide to be provided with on the fire head 40, the opening in flaming chamber 42 is located and divides the fire head 40 surface, be provided with branch fire piece 43 on the flaming chamber 42, it has a plurality of branch fire holes to divide to gather on the fire piece 43.
The gas and air respectively flow into the first valve core cavity 60 and the second valve core cavity 61 through the gas connecting port 20 and the air connecting port 21, the mixing proportion of the gas and the air flowing into the mixing cavity 64 is controlled through the first valve core 70 and the second valve core 71, the air and the gas are mixed in the mixing cavity 64 and are mixed for a long time through the extension pipe 30, so that the gas and the air are mixed more uniformly, then the gas and the air enter the flame dividing head 40, then the gas and the air uniformly flow into the flame spraying cavities 42 on two sides of the main flow channel 41 along the main flow channel 41, the mixed gas is uniformly sprayed out through the flame dividing sheets 43 in the flame spraying cavity 42, and then the mixed gas is ignited to generate combustion, so that the molds on two sides can be simultaneously combusted and heated, and the combustion intensity on two sides is consistent, and the heating effect with the same amplitude is generated on the molds on two sides, the heating effect on the die is better.
Further, in order to make the mixed gas more uniform in the ejection effect from the flame-projecting chamber 42 and increase the combustion area, it is preferable that the flame-projecting chamber 42 is in a horn shape gradually enlarging outward.
Further optimize, because there is certain impurity in the gas in fact, in order to filter impurity, preferably be provided with filter screen 44 on spouting fire chamber 42, divide fire piece 43 to set up in the filter screen 44 outside. Further optimize on this basis, preferably divide the fire head 40 surface to be provided with clamping ring 45, filter screen 44 sets up in the opening part of bocca 42, divide fire piece 43 set up in dividing fire head 40 surface and lid fit the opening part of bocca 42, clamping ring 45 pressfitting in divide fire piece 43 periphery. In order to optimize the structure, preferably, an external thread is arranged on the peripheral side of the fire dividing head 40, and an internal thread screwed on the external thread is arranged on the inner side of the pressing ring 45. In one embodiment, the pressing ring 45 is pressed on the distributor plate 43, and an elastic fixture is arranged on the periphery of the pressing ring 45, so that the pressing ring 45 is fixed on the distributor 40.
Further optimally, in the scheme, in order to more accurately control the flame size, the first valve core 70 and the second valve core 71 are preferably needle valves. The first valve core 70 and the second valve core 71 may also be other existing valve bodies, such as a ball valve, a pressure maintaining valve, and the like.
In further consideration of the problem of preventing backfire, it is preferable that the first valve core 70 comprises a valve cover 700, a valve rod 701, a valve needle 703 and an adjusting button 702, the valve cover 700 is fixed at the end of the first valve core cavity 60, a screw hole is formed in the valve cover 700, a thread screwed on the screw hole is formed on the surface of the valve rod 701, the valve rod 701 rotates relative to the screw hole so as to adjust the length extending into the first valve core cavity 60, the adjusting button 702 is communicated with the valve rod 701 and is used for driving the valve rod 701 to rotate, the valve needle 703 is arranged at the bottom of the valve rod 701, and a pressure spring 704 is arranged between the valve rod 701 and the valve needle 703. The valve rod 701 is driven to move in the first valve core cavity 60 by rotating the adjusting button 702, so that the moving precision of the valve rod 701 is high, the burning flame size can be finely adjusted, the valve needle 703 is propped against by the pressure spring 704, the position of the valve needle 703 is determined by the gas pressure and the pressure spring 704 together, the gas pressure can be still kept under the condition that the gas flow is changed, and the backfire phenomenon is prevented. Preferably, a blind hole 7011 is formed in the bottom of the valve rod 701, the valve needle 703 is inserted into the blind hole 7011, the pressure spring 704 is located in the blind hole 7011, and a receiving surface abutting against the bottom end surface of the valve rod 701 is formed on the peripheral side of the valve needle 703, so that the position of the valve needle 703 can be better limited, and the limit position of the valve needle 703 can be limited.
Preferably, an air guide nozzle 80 communicated with the first flow channel 62 is arranged in the mixing cavity 64, a first air channel 81 communicated with the first flow channel 62 and a second air channel 82 communicated with the mixing cavity 64 are arranged in the air guide nozzle 80, the first air channel 81 is communicated with the second air channel 82 through a third air channel 83, the cross-sectional area of the first air channel 81 is larger than that of the second air channel 82 and that of the third air channel 83, and the cross-sectional area of the second air channel 82 is larger than that of the third air channel 83, so that the speed of the fuel gas entering the mixing cavity 64 is increased. Preferably, the extension tube 30 is inserted into the mixing chamber 64, and the air guide cap 80 extends into the extension tube 30.
Preferably, the end of the first flow channel 62 is disposed at the bottom of the mixing chamber 64, and the end of the second flow channel 63 is disposed on the sidewall of the mixing chamber 64.
Preferably, the surface of the main body 10 is provided with a gripping part 11 for the convenience of the operator to grip.
The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A bi-directional flame gun, comprising:
the gas mixing valve comprises a main body (10), wherein a gas connecting port (20) and an air connecting port (21) are arranged on the main body (10), a first valve core cavity (60) and a second valve core cavity (61) are arranged in the main body (10), a gas flow passage (50) for connecting the first valve core cavity (60) and the gas connecting port (20) is arranged in the main body (10), an air flow passage (51) for connecting the second valve core cavity (61) and the air connecting port (21) is arranged in the main body (10), a mixing cavity (64) is arranged on the main body (10), and a first flow passage (62) for connecting the mixing cavity (64) and the first valve core cavity (60) and a second flow passage (63) for connecting the mixing cavity (64) and the second valve core cavity (61) are arranged in the main body (10);
a first spool (70), the first spool (70) disposed within the first spool chamber (60);
a second spool (71), the second spool (71) disposed within the second spool chamber (61);
an extension tube (30), the extension tube (30) being in communication with the mixing chamber (64);
divide fire head (40), divide fire head (40) to set up in extension pipe (30) tip, divide fire head (40) to go up and be provided with sprue (41) that are linked together with extension pipe (30), divide to be provided with on fire head (40) and be linked together and the symmetry sets up in flame projecting chamber (42) of sprue (41) both sides with sprue (41), the opening of flame projecting chamber (42) is located and divides fire head (40) surface, be provided with branch fire piece (43) on flame projecting chamber (42), it has a plurality of branch fire holes to divide to gather on fire piece (43).
2. A bi-directional flame gun as recited in claim 1, wherein:
the flame-throwing cavity (42) is in a horn shape which gradually expands outwards.
3. A bi-directional flame gun as recited in claim 2, wherein:
be provided with filter screen (44) on flame projecting chamber (42), divide fire piece (43) to set up in the filter screen (44) outside.
4. A bi-directional flame gun as recited in claim 3, wherein:
divide fire head (40) surface to be provided with clamping ring (45), filter screen (44) set up in the opening part of bocca (42), divide fire piece (43) to set up in dividing fire head (40) surface and lid fit the opening part of bocca (42), clamping ring (45) pressfitting in divide fire piece (43) periphery.
5. A bi-directional flame gun as recited in claim 1, wherein:
the first valve core (70) comprises a valve cover (700), a valve rod (701), a valve needle (703) and an adjusting button (702), the valve cover (700) is fixed at the end of the first valve core cavity (60), a screw hole is formed in the valve cover (700), threads screwed on the screw hole are formed in the surface of the valve rod (701), the valve rod (701) rotates relative to the screw hole so as to adjust the length extending into the first valve core cavity (60), the adjusting button (702) is communicated with the valve rod (701) and used for driving the valve rod (701) to rotate, the valve needle (703) is arranged at the bottom of the valve rod (701), and a pressure spring (704) is arranged between the valve rod (701) and the valve needle (703).
6. A bi-directional flame gun as recited in claim 5, wherein:
the bottom of the valve rod (701) is provided with a blind hole (7011), the valve needle (703) is inserted into the blind hole (7011), the pressure spring (704) is located in the blind hole (7011), and the peripheral side of the valve needle (703) is provided with a bearing surface abutted to the end face of the bottom of the valve rod (701).
7. A bi-directional flame gun as recited in claim 1, wherein:
be provided with air guide mouth (80) that is linked together with first runner (62) in hybrid chamber (64), be provided with first air flue (81) that are linked together with first runner (62) and second air flue (82) that are linked together with hybrid chamber (64) in air guide mouth (80), be linked together through third air flue (83) between first air flue (81) and second air flue (82), the cross sectional area of first air flue (81) is greater than second air flue (82) and third air flue (83), the cross sectional area of second air flue (82) is greater than third air flue (83).
8. A bi-directional flame gun as recited in claim 7, further comprising:
the extension pipe (30) is inserted into the mixing cavity (64), and the end part of the air guide nozzle (80) extends into the extension pipe (30).
9. A bi-directional flame gun as recited in claim 1, wherein:
the end part of the first flow channel (62) is arranged at the bottom of the mixing cavity (64), and the end part of the second flow channel (63) is arranged on the side wall of the mixing cavity (64).
10. A bi-directional flame gun as recited in claim 1, wherein:
the surface of the main body (10) is provided with a holding part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091632.8U CN216480967U (en) | 2021-12-09 | 2021-12-09 | Two-way flame gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091632.8U CN216480967U (en) | 2021-12-09 | 2021-12-09 | Two-way flame gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216480967U true CN216480967U (en) | 2022-05-10 |
Family
ID=81420736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123091632.8U Active CN216480967U (en) | 2021-12-09 | 2021-12-09 | Two-way flame gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216480967U (en) |
-
2021
- 2021-12-09 CN CN202123091632.8U patent/CN216480967U/en active Active
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