CN209893395U - Special nozzle for gas burner - Google Patents
Special nozzle for gas burner Download PDFInfo
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- CN209893395U CN209893395U CN201920522453.9U CN201920522453U CN209893395U CN 209893395 U CN209893395 U CN 209893395U CN 201920522453 U CN201920522453 U CN 201920522453U CN 209893395 U CN209893395 U CN 209893395U
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Abstract
The utility model relates to the technical field of burner nozzles, and discloses a special nozzle for a gas burner, which comprises a first body and a second body, wherein the first body is in threaded connection with the second body, the first body comprises a mixing section, a first necking section and an outlet section, the first necking section comprises two sections of arc horn-shaped channels, the two sections of arc horn-shaped channels are communicated through a cylindrical channel, and divide the first necking section into a large-caliber end and a small-caliber end, the large-caliber end is communicated with the mixing section, and the small-caliber end is communicated with the outlet section; this special nozzle carries out and can carry out gas and air mixture many times, improves the air coefficient in the gas mixture to the combustion degree of effectual promotion gas improves the combustion utilization ratio of gas.
Description
Technical Field
The utility model relates to a combustor nozzle technical field, concretely relates to a special nozzle for gas combustion machine.
Background
The burner nozzle is a component for injecting mixed gas and air into the ejector pipe of the burner, the structure of the burner nozzle determines the size of the air coefficient, and the burner nozzle plays a more critical role in the combustion performance of the burner. The nozzle on the existing market is mostly a set of injection air inlet hole or does not have and draws and penetrate the air inlet hole, and the air flue is cylindric usually among this similar nozzle, plays the effect that the gas mixture carried, but its air coefficient is less, easily appears the unstable condition of burning flame, and in the serious time, easily leads to the gas combustion incomplete, the condition that the utilization ratio is low.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a special nozzle for gas combustion machine, this special nozzle can carry out gas and air of mixing many times, improves the air coefficient in the gas mixture to the combustion degree of effectual promotion gas improves the combustion utilization ratio of gas.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a special nozzle for gas combustion machine, includes first body and second body, first body with second body threaded connection, first body is including mixing section, first necking down section and export section, first necking down section includes two sections arc loudspeaker form passageways, two sections arc loudspeaker form passageway communicates through a cylindric passageway, and will first necking down section falls into big bore end and small bore end, just big bore end intercommunication mixing section, small bore end intercommunication the export section.
In the utility model, preferably, the second body comprises an inlet section, a second necking section and a connecting section, the inlet section is cylindrical, the second necking section is arc-shaped and horn-shaped, and the connecting section is provided with internal threads and is in threaded connection with the first body; and the large-caliber end of the second necking section is communicated with the inlet section, and the small-caliber end of the second necking section is communicated with the connecting section.
The utility model discloses in, it is preferred, first body opening part is equipped with the nozzle cap, be equipped with the bleeder vent on the nozzle cap.
In the utility model, preferably, the outlet of the first body is provided with an annular groove at one time, and the annular groove is provided with an internal thread; the nozzle cap is provided with an external thread matched with the internal thread so as to connect the nozzle cap to the opening of the first body in a threaded manner.
In the present invention, preferably, the number of the air holes is one or more, and when there is one air hole, the aperture of the air hole is smaller than the inner diameter of the outlet section; when the number of the air holes is multiple, the air holes are uniformly distributed on the nozzle cap in an array mode.
The utility model discloses in, it is preferred, be equipped with first ring groove on the cylinder of first body, the rubber circle has been placed in the first ring groove, the second body with first body threaded connection supports and holds extremely the rubber circle.
The utility model discloses in, it is preferred, special nozzle still is equipped with the fixing base, be equipped with through-hole and screw hole on the fixing base, the through-hole cover is located on the second body, the screw hole is used for cooperating with bolt and nut in order to fix the fixing base.
The utility model discloses in, it is preferred, be equipped with second annular clamping groove on the cylinder of second body, the card is equipped with the card and holds the piece in the second annular clamping groove, the external diameter that the card was held the piece is greater than the diameter of through-hole.
The utility model discloses in, it is preferred, the interior circle circumference that the card was held is equipped with a plurality of archs, bellied material is elastic rubber.
The utility model discloses in, preferred, the multiunit special nozzle can arrange in proper order and set up on a trachea.
Compared with the prior art, the beneficial effects of the utility model are that:
the special nozzle of the utility model is combined by the pipe bodies at the two ends, the assembly mode is simple, if one of the pipe bodies is damaged, only the damaged pipe body can be replaced; meanwhile, the special nozzle can mix gas and air for many times, and improves the air coefficient in mixed gas, so that the combustion degree of the gas is effectively improved, and the combustion utilization rate of the gas is improved.
Drawings
Fig. 1 is a schematic structural view of a special nozzle for a gas burner.
Fig. 2 is a front view of a special nozzle for a gas burner.
Fig. 3 is a schematic view of a disassembled structure of a special nozzle for a gas burner.
Fig. 4 is a sectional view of a special nozzle for a gas burner.
Fig. 5 is a schematic view of the usage state of the plurality of groups of special nozzles mounted on the gas distribution pipe.
In the drawings: 1-a first body, 101-a mixing section, 102-a first necking section, 103-an outlet section, 2-a second body, 201-an inlet section, 202-a second necking section, 202-a connecting section, 3-a nozzle cap, 31-a vent hole, 4-an annular groove, 5-a first annular clamping groove, 6-a rubber ring, 7-a fixed seat, 71-a through hole, 72-a threaded hole, 8-a second annular clamping groove, 9-a clamping piece, 91-a bulge and 10-a gas distribution pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1: referring to fig. 1 to 4, the present embodiment provides a special nozzle for a gas combustion engine, including a first body 1 and a second body 2, where the first body 1 is in threaded connection with the second body 2, the first body 1 includes a mixing section 101, a first necking section 102 and an outlet section 103, the first necking section 102 includes two arc-shaped trumpet-shaped channels, the two arc-shaped trumpet-shaped channels are communicated with each other through a cylindrical channel, and divide the first necking section 102 into a large-caliber end and a small-caliber end, the large-caliber end is communicated with the mixing section 101, and the small-caliber end is communicated with the outlet section 103; the arc-shaped horn-shaped channel gradually reduces along the length direction to form a large-caliber end and a small-caliber end, so that the pressure of the gas and air mixture entering the arc-shaped horn-shaped channel is smaller when the gas and air mixture enters the large-caliber end, and the pressure of the small-caliber end is higher, so that the gas mixture can be mixed under the action of pressure difference, and the mixing effect is improved; this first necking segment 102 of first body 1 includes two sections arc loudspeaker form passageways, carries out twice pressure difference mixing process in other words, improves the air coefficient in the gas mixture to the combustion degree of effectual promotion gas improves the combustion utilization ratio of gas.
Further, the second body 2 comprises an inlet section 201, a second neck-reducing section 202 and a connecting section 203, the inlet section 201 is cylindrical, the second neck-reducing section 202 is arc-shaped and horn-shaped, and the connecting section 203 is provided with internal threads and is in threaded connection with the first body 1; the large-caliber end of the second necking section 202 is communicated with the inlet section 201, and the small-caliber end thereof is communicated with the connecting section 203; the second necking section 202 also performs a differential pressure mixing process, which is also beneficial to improving the combustion degree and the combustion utilization rate of the fuel gas.
In this embodiment, be equipped with first ring groove 5 on the cylinder of first body 1, rubber circle 6 has been placed in first ring groove 5, second body 2 with first body 1 threaded connection and support hold to rubber circle 6, rubber circle 6 frictional force is great, can play sealed effect to second body 2 and first body 1.
Example 2: referring to fig. 1 to 4, the present embodiment provides a special nozzle for a gas burner, which is different from embodiment 1 only in that:
the special nozzle is further provided with a fixing seat 7, a through hole 71 and a threaded hole 72 are formed in the fixing seat 7, the through hole 71 is sleeved on the second body 2, the threaded hole 72 is used for being matched with a bolt and a nut to fix the fixing seat 7, the fixing seat 7 is made of materials with certain hardness such as steel, the rigidity of the materials is good, and the special nozzle can be better fixed.
In this embodiment, a second annular clamping groove 8 is formed in the column body of the second body 2, a clamping member 9 is clamped in the second annular clamping groove 8, and the outer diameter of the clamping member 9 is larger than the diameter of the through hole 71; the clamping piece 9 is provided with an opening at one end and is arc-shaped, can be clamped in the second annular clamping groove 8, and can assist in fixing the special nozzle and the fixing seat 7. Further, a plurality of protrusions 91 are circumferentially arranged on the inner circle of the clamping piece 9, the protrusions 91 are made of elastic rubber, and the protrusions 91 also have certain elasticity, so that the friction force between the clamping piece 9 and the cylinder of the second body 2 can be increased.
Example 3: referring to fig. 1 to 5, the present embodiment provides a special nozzle for a gas burner, which is different from embodiment 1 only in that:
the opening of the first body 1 is provided with a nozzle cap 3, the nozzle cap 3 is provided with a plurality of air holes 31, and further, the number of the air holes 31 is one or more, in the embodiment, the number of the air holes 31 is multiple, the air holes 31 are uniformly distributed on the nozzle cap 3 in an array manner, and the aperture of the air holes is sequentially increased from the center of the nozzle cap 3 to the outside; in other embodiments, the air hole 31 is one, and the aperture thereof is smaller than the inner diameter of the outlet section 103, and the specific aperture can be set according to the demand of the input gas. Further, an annular groove 4 is formed at the outlet of the first body 1 at one time, and the annular groove 4 is provided with internal threads; the nozzle cap 3 is provided with an external thread matched with the internal thread so as to connect the nozzle cap 3 at the opening of the first body 1 in a threaded manner.
In this embodiment, a plurality of sets of the special nozzles can be sequentially arranged on a gas distribution pipe 10, the gas distribution pipe 10 is sequentially connected with a gas pipeline and an air pipeline, and the gas and the air are mixed in the cavity of the gas distribution pipe 10 and then sequentially flow into the plurality of sets of the special nozzles.
The working principle is as follows: (taking example 3 as an example)
When the sealing device is used, the rubber ring 6 is sleeved in the first annular clamping groove 5, the second body 2 is in threaded connection with the first body 1 and abuts against the rubber ring 6, and the rubber ring 6 can seal the second body 2 and the first body 1; the fixing seat 7 is sleeved on the second body 2, and the threaded hole 72 in the fixing seat 7 is matched with a bolt and a nut to fix the fixing seat 7, so that the special nozzle is fixed; then the clamping piece 9 is clamped in the second annular clamping groove 8, so that the special nozzle and the fixed seat 7 can be fixed in an auxiliary manner; finally, the second bodies 2 of the plurality of groups of special nozzles are sequentially in threaded connection with the gas distribution pipe 10, so that the gas distribution pipe 10 and the plurality of groups of special nozzles are combined for use; this special nozzle carries out gas and air of mixing many times, has improved the air coefficient to the combustion degree of effectual promotion gas improves the combustion utilization ratio of gas.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. The utility model provides a special nozzle for gas combustion machine, its characterized in that, includes first body (1) and second body (2), first body (1) with second body (2) threaded connection, first body (1) is including mixing section (101), first necking segment (102) and export section (103), first necking segment (102) includes two sections arc loudspeaker form passageways, two sections arc loudspeaker form passageway communicates through a cylindric passageway, and will first necking segment (102) divide into big caliber end and small caliber end, just big caliber end intercommunication mixing section (101), small caliber end intercommunication export section (103).
2. A special nozzle for a gas burner according to claim 1, characterized in that said second body (2) comprises an inlet section (201), a second necking section (202) and a connecting section (203), said inlet section (201) being cylindrical, said second necking section (202) being in the shape of an arc-shaped trumpet, said connecting section (203) being provided with an internal thread, in threaded connection with said first body (1); the large-caliber end of the second necking section (202) is communicated with the inlet section (201), and the small-caliber end of the second necking section is communicated with the connecting section (203).
3. The special nozzle for gas burner as claimed in claim 1 or 2, wherein the opening of the first body (1) is provided with a nozzle cap (3), and the nozzle cap (3) is provided with a vent (31).
4. A special nozzle for gas burners, as claimed in claim 3, characterised in that the outlet of said first body (1) is provided at a time with an annular groove (4), said annular groove (4) being provided with an internal thread; the nozzle cap (3) is provided with an external thread matched with the internal thread so as to connect the nozzle cap (3) to the opening of the first body (1) in a threaded manner.
5. The special nozzle for a gas burner as claimed in claim 3, wherein said ventilation holes (31) are one or more, and when said ventilation holes (31) are one, the diameter of the hole is smaller than the inner diameter of said outlet section (103); when the number of the air holes (31) is multiple, the air holes (31) are uniformly distributed on the nozzle cap (3) in an array manner.
6. The special nozzle for a gas burner as claimed in claim 1, characterized in that said first body (1) has a first annular groove (5) on its cylinder, said first annular groove (5) has a rubber ring (6) placed inside, said second body (2) is screwed to said first body (1) and abuts against said rubber ring (6).
7. The special nozzle for the gas combustion engine as claimed in claim 1, wherein the special nozzle is further provided with a fixing seat (7), the fixing seat (7) is provided with a through hole (71) and a threaded hole (72), the through hole (71) is sleeved on the second body (2), and the threaded hole (72) is used for being matched with a bolt and a nut to fix the fixing seat (7).
8. The special nozzle for gas burners as claimed in claim 7, characterised in that said second body (2) has a second annular groove (8) on the body, said second annular groove (8) having a retaining element (9) engaged therein, said retaining element (9) having an external diameter greater than the diameter of said through hole (71).
9. The special nozzle for the gas burner as claimed in claim 8, wherein a plurality of protrusions (91) are arranged on the circumference of the inner circle of the holding member (9), and the protrusions (91) are made of elastic rubber.
10. The special nozzle for gas burner as claimed in any of claims 4 to 9, wherein a plurality of groups of said special nozzles are arranged in sequence on a gas distribution pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522453.9U CN209893395U (en) | 2019-04-17 | 2019-04-17 | Special nozzle for gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522453.9U CN209893395U (en) | 2019-04-17 | 2019-04-17 | Special nozzle for gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209893395U true CN209893395U (en) | 2020-01-03 |
Family
ID=68999408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920522453.9U Expired - Fee Related CN209893395U (en) | 2019-04-17 | 2019-04-17 | Special nozzle for gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209893395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062848A1 (en) * | 2020-09-28 | 2022-03-31 | 重庆海尔滚筒洗衣机有限公司 | Gas injection nozzle assembly and gas heating device using same |
-
2019
- 2019-04-17 CN CN201920522453.9U patent/CN209893395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062848A1 (en) * | 2020-09-28 | 2022-03-31 | 重庆海尔滚筒洗衣机有限公司 | Gas injection nozzle assembly and gas heating device using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20210417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |