CN216769412U - Two-section double-injection square tube and gas water heater - Google Patents
Two-section double-injection square tube and gas water heater Download PDFInfo
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- CN216769412U CN216769412U CN202123152693.0U CN202123152693U CN216769412U CN 216769412 U CN216769412 U CN 216769412U CN 202123152693 U CN202123152693 U CN 202123152693U CN 216769412 U CN216769412 U CN 216769412U
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Abstract
The utility model discloses a two-section double-ejection square tube and a gas water heater, which comprise: a gas chamber, and a segment valve; the gas cavity comprises a normally open cavity and a segmented cavity which are separated from each other, a normally open channel is connected to the normally open cavity, a segmented channel is connected to the segmented cavity, and the segmented valve is used for controlling the on-off of the segmented channel; the gas distribution device is characterized in that the normally open channel and the subsection channel are connected to a gas distribution channel, an air inlet channel is connected to the gas distribution channel, the air inlet channel is connected with the middle of the gas distribution channel, and the normally open channel and the subsection channel are located on two sides of a connecting node of the air inlet channel and the gas distribution channel. Normally open the passageway and the setting of segmentation passageway in inlet channel both sides, mutually independent and do not have common passage, can not be dammed by other gas chambers when gas gets into a certain gas chamber and influence the gas pressure before the nozzle, guarantee that the gas pressure of each gas chamber nozzle mounting hole position is unanimous basically.
Description
Technical Field
The utility model relates to the technical field of hot water equipment, in particular to a two-section double-ejection square tube and a gas water heater.
Background
The square tube with the double rows of nozzles is mostly of a three-section structure, and has the advantage of reducing the lowest temperature rise when being applied to a machine type with a larger load, but the three-section structure is more complex, the production and processing difficulty is higher, and the cost of the square tube is higher due to more section valves; when the low-temperature-rise-type high-temperature-rise energy-saving device is applied to a low-load machine type, the low-temperature-rise effect caused by the three-section structure is reduced due to the low load of the product, the production and processing difficulty and the cost disadvantage are relatively improved, and the low-temperature-rise-type high-temperature-rise energy-saving device is not suitable for being applied to the low-load machine type.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a two-section double-ejection square pipe which is simple in structure and basically consistent in gas pressure of each gas cavity nozzle mounting hole.
The utility model also aims to provide the gas water heater with the two-section double-ejection square pipe.
In order to achieve the purpose, the utility model adopts the following technical scheme.
A two-section double-ejection square tube comprises: a gas chamber, and a segment valve; the gas cavity comprises a normally open cavity and a segmented cavity which are separated from each other, a normally open channel is connected to the normally open cavity, a segmented channel is connected to the segmented cavity, and the segmented valve is used for controlling the on-off of the segmented channel; the gas distribution device is characterized in that the normally open channel and the subsection channel are connected to a gas distribution channel, an air inlet channel is connected to the gas distribution channel, the air inlet channel is connected with the middle of the gas distribution channel, and the normally open channel and the subsection channel are located on two sides of a connecting node of the air inlet channel and the gas distribution channel.
More preferably, the gas distribution channel is connected with a side wall of the subsection channel, one end of the subsection channel is connected with the subsection cavity, and the other end of the subsection channel is provided with the subsection valve.
More preferably, divide the one end of gas passageway with segmentation access connection, divide the other end of gas passageway to be equipped with the second blanking cover, normally open the passageway and run through the lateral wall setting in normally open chamber, normally open the one end of passageway with divide gas access connection, normally open the other end of passageway and be equipped with the third blanking cover.
More preferably, one end of the gas distribution channel is connected with the subsection channel, and the other end of the gas distribution channel is connected with the normally open channel.
More preferably, the subsection passage, the normally open passage and the air inlet passage are all arranged perpendicular to the air distribution passage.
More preferably, the gas cavity is a straight tubular cavity, and the gas inlet channel is perpendicular to the gas cavity; the tip in gas chamber is equipped with and moves towards vertically side's pipe mounting flange with the gas chamber, inlet channel's air inlet is located the lateral wall, just the normal direction of air inlet with the trend in gas chamber is unanimous.
More preferably, the air inlet is provided with an installation flange which is perpendicular to the normal direction of the air inlet, and the installation flange is provided with a gas regulating valve installation hole.
The utility model provides a gas water heater, includes the gas water heater body this internal square pipe that is equipped with of gas water heater, its characterized in that, square pipe be as above arbitrary any two segmentation two draw and penetrate square pipe.
The utility model has the beneficial effects that: (1) through setting up the gas distribution channel, set up inlet channel in the middle part of the gas distribution channel to will normally open the passageway and set up in the inlet channel both sides with the segmentation passageway, mutually independent and do not have common channel, can not dammed up by other gas chambers when the gas gets into a certain gas chamber and influence the gas pressure before the nozzle, guarantee that the gas pressure of each gas chamber nozzle mounting hole position is unanimous basically. (2) The single-section valve is adopted to control the sections, so that the number of finish machining faces and valves of the square pipe is reduced, and the production cost of the square pipe is reduced. (3) Simplify square intraductal passage structure, adopt no cross design, reduce the design and the processing degree of difficulty of production mould, square intraductal passage is loosed core by the mould completely and is accomplished, need not loose core in order, and need not secondary clamping drilling. (4) The mounting direction of the fixing screws of the square pipe and the mounting direction of the fixing screws between the square pipe and the gas regulating valve face to the front, and the square pipe and the gas regulating valve can be independently dismounted and mounted on the whole machine without influencing each other.
Drawings
Fig. 1 is a cross-sectional view of a two-segment double-ejection square tube provided by the utility model.
FIG. 2 is a cross-sectional view of a gas chamber of a two-segment dual-injection square tube according to the present invention.
Reference numerals indicate the same.
1: segmental cavity, 2: normally open cavity, 3: normally open channel, 4: segmented channel, 5: gas distribution chamber, 6: intake passage, 7: air inlet, 8: segment valve, 9: first closure, 10: second plug, 11: square tube mounting flange, 12: and a nozzle mounting hole.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above-mentioned terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. First feature "above", "below" and "under" second feature may include first feature being directly below or obliquely below the second feature, or merely indicating that the first feature is at a lower level than the second feature.
The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.
The first embodiment.
As shown in fig. 1 and 2, a two-segment double-injection square tube includes: a gas chamber, and a segment valve 8; the gas cavity comprises a normally open cavity 2 and a segmented cavity 1 which are separated from each other, a normally open channel 3 is connected to the normally open cavity 2, a segmented channel 4 is connected to the segmented cavity 1, and a segmented valve 8 is used for controlling the on-off of the segmented channel; the gas distribution device is characterized in that the normally open channel 3 and the subsection channel 4 are connected to the gas distribution channel 5, the gas distribution channel 5 is connected with the gas inlet channel 6, the gas inlet channel 6 is connected with the middle of the gas distribution channel 5, and the normally open channel 3 and the subsection channel 4 are located on two sides of a connecting node of the gas inlet channel 6 and the gas distribution channel 5. The normally open cavity is directly communicated with the air inlet channel, and the sectional valve controls the on-off of the sectional channel; normally open the passageway and set up in inlet channel's both sides with the segmentation passageway, mutually independent and do not have common channel, can not be dammed up by other gas chambers when gas gets into a certain gas chamber and influence the gas pressure before the nozzle, guarantee that the gas pressure of each gas chamber nozzle mounting hole position is unanimous basically.
It should be noted that the gas distribution channel 5 is connected to a side wall of the segment channel 4, one end of the segment channel 4 is connected to the segment chamber 1, and the other end of the segment channel 4 is provided with the segment valve 8.
In this embodiment, divide the one end of gas passageway 5 with the lateral wall intercommunication of segmentation passageway 4, divide the other end of gas passageway 5 to be equipped with second blanking cover 10, normally open passageway 3 runs through divide the lateral wall setting of gas passageway 5, normally open the one end of passageway with divide gas access connection, the other end of normally open the passageway is provided with the third blanking cover. Of course, in other embodiments, the normally open channel can be designed to be connected with the other end of the gas distribution channel by those skilled in the art according to actual conditions.
It should be noted that the segment passage 4, the normally open passage 3, and the intake passage 6 are all disposed perpendicular to the air distribution passage 5.
Further, the gas cavity is a straight tube-shaped cavity, and the gas inlet channel 6 is perpendicular to the gas cavity; the tip in gas chamber is equipped with and moves towards vertically side's pipe mounting flange 11 with the gas chamber, inlet channel 6's air inlet 7 is located the lateral wall, just the normal direction of air inlet 7 with the trend in gas chamber is unanimous. And the air inlet 7 is provided with an installation flange which is perpendicular to the normal direction of the air inlet 7, and the installation flange is provided with a gas regulating valve installation hole. One end of the air inlet channel 6 is connected with the air distribution channel 5, and the other end of the air inlet channel is connected with a first blocking cover 9.
In this embodiment the top in gas chamber is equipped with side pipe mounting flange 11, air inlet 7 is established on the below lateral wall of inlet channel 6 be equipped with on the air inlet 7 and be used for the installation the gas governing valve mounting hole of gas governing valve. Like this for the mounting screw of gas governing valve and square pipe is unanimous and just openly towards the mounting screw direction of square pipe, the dismouting of being convenient for.
More specifically, a plurality of nozzle mounting holes 12 are formed in the side wall of the gas chamber.
Compared with the prior art, the two-section double-injection square pipe provided by the embodiment has the following characteristics: (1) the normally open cavity is directly communicated with the air inlet channel, and the sectional valve controls the on-off of the sectional channel; normally open the passageway and set up in the inlet channel both sides with the segmentation passageway, mutually independent and do not have the shared channel, can not be dammed by other gas chambeies when gas gets into a certain gas chamber and influence gas pressure before the nozzle, guarantee that the gas pressure of each gas chamber nozzle mounting hole position is unanimous basically. (2) The single-section valve is adopted to control the sections, the number of finish machining faces and valves of the square pipe is reduced, and therefore the cost of the square pipe is reduced. (3) The square tube internal channel structure is simplified, a non-cross design is adopted, the design and processing difficulty of a production mold is reduced, the square tube internal channel is completely formed by mold core pulling, core pulling is not needed in sequence, and secondary clamping and drilling are not needed. (4) The mounting direction of the fixing screws of the square pipe and the mounting direction of the fixing screws between the square pipe and the gas regulating valve face to the front, and the square pipe and the gas regulating valve can be independently dismounted and mounted on the whole machine without influencing each other.
Example two.
The utility model provides a gas water heater, includes the gas water heater body this internal square pipe that is equipped with of gas water heater, its characterized in that, square pipe is two segmentation two injection square pipes as embodiment one.
The gas water heater provided by the embodiment has all the advantages of the embodiment, and the description is omitted here. The specific structure of the gas water heater can adopt the existing or future structure, and the detailed description is not provided.
It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the utility model is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the utility model as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (8)
1. A two-section double-ejection square tube comprises: a gas chamber, and a segment valve; the gas cavity comprises a normally open cavity and a segmented cavity which are separated from each other, a normally open channel is connected to the normally open cavity, a segmented channel is connected to the segmented cavity, and the segmented valve is used for controlling the on-off of the segmented channel; the gas distribution device is characterized in that the normally open channel and the subsection channel are connected to a gas distribution channel, an air inlet channel is connected to the gas distribution channel, the air inlet channel is connected with the middle of the gas distribution channel, and the normally open channel and the subsection channel are located on two sides of a connecting node of the air inlet channel and the gas distribution channel.
2. The two-section double-ejection square pipe according to claim 1, wherein the gas distribution channel is connected with a side wall of the section channel, one end of the section channel is connected with the section cavity, and the other end of the section channel is provided with the section valve.
3. The square tube of claim 1, wherein one end of the gas distribution channel is connected to the subsection channel, the other end of the gas distribution channel is provided with a second blocking cover, the normally open channel is arranged to penetrate through the side wall of the normally open cavity, one end of the normally open channel is connected to the gas distribution channel, and the other end of the normally open channel is provided with a third blocking cover.
4. The two-section double-ejection square tube according to claim 1, wherein one end of the gas distribution channel is connected with the section channel, and the other end of the gas distribution channel is connected with the normally open channel.
5. The two-section double-ejection square tube according to claim 1, wherein the section passage, the normally open passage and the air inlet passage are arranged perpendicular to the air distribution passage.
6. The two-section double-ejection square tube according to claim 1, wherein the gas cavity is a straight tube-shaped cavity, and the gas inlet channel is perpendicular to the gas cavity; the tip in gas chamber is equipped with and moves towards vertically side's pipe mounting flange with the gas chamber, inlet channel's air inlet is located the lateral wall, just the normal direction of air inlet with the trend in gas chamber is unanimous.
7. The two-section double-ejection square tube according to claim 6, wherein a mounting flange perpendicular to the normal direction of the air inlet is arranged on the air inlet, and a gas regulating valve mounting hole is formed in the mounting flange.
8. A gas water heater comprises a gas water heater body, wherein a square tube is arranged in the gas water heater body, and the square tube is the two-section double-ejection square tube according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152693.0U CN216769412U (en) | 2021-12-15 | 2021-12-15 | Two-section double-injection square tube and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123152693.0U CN216769412U (en) | 2021-12-15 | 2021-12-15 | Two-section double-injection square tube and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216769412U true CN216769412U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123152693.0U Active CN216769412U (en) | 2021-12-15 | 2021-12-15 | Two-section double-injection square tube and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216769412U (en) |
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2021
- 2021-12-15 CN CN202123152693.0U patent/CN216769412U/en active Active
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