CN220417373U - Adjustable flow-limiting nozzle - Google Patents
Adjustable flow-limiting nozzle Download PDFInfo
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- CN220417373U CN220417373U CN202322105741.3U CN202322105741U CN220417373U CN 220417373 U CN220417373 U CN 220417373U CN 202322105741 U CN202322105741 U CN 202322105741U CN 220417373 U CN220417373 U CN 220417373U
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- valve core
- channel
- valve
- air outlet
- air inlet
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- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of burner accessories, and particularly discloses an adjustable flow limiting nozzle which comprises a valve body and a valve core, wherein an air inlet channel and an air outlet channel are arranged on the valve body, and an opening is arranged between the air inlet channel and the air outlet channel; the valve core is arranged between the air inlet channel and the air outlet channel, the valve core is provided with a valve core channel and a through hole communicated with the valve core channel, the valve core channel is communicated with the air inlet channel and the air outlet channel, one end of the valve core is provided with a boss, and the size and the shape of the boss are consistent with those of the opening; the valve core is arranged in the valve body and can move up and down, the control of the amount of gas flowing through is adjusted by rotating the valve core to adjust the distance between the lug and the opening on the valve core, and different requirements of the gas combustion apparatus on the gas inflow under the conditions of different rated heat loads, gas types and the like are met.
Description
Technical Field
The utility model relates to the technical field of burner accessories, and particularly discloses an adjustable flow-limiting nozzle.
Background
In order to realize energy conservation and environmental protection and meet the requirements of related standard regulations, the gas inflow of the gas is controlled according to rated heat load of the gas combustion appliance, the type of the gas used and the like. In general, control of the amount of gas intake is achieved by installing a nozzle of a specific aperture in the gas line of the gas burner. However, due to the large number of rated heat loads, types of gas used, and the like of the gas combustion apparatus, manufacturers need to purchase nozzles with various apertures, which not only occupies resources, but also is unfavorable for management. Therefore, an adjustable flow-limiting nozzle is designed, and the adjustable flow-limiting nozzle is adjusted to be in place during manufacturing according to rated heat load of a gas combustion appliance and the like.
Disclosure of Invention
The present utility model addresses the above-described deficiencies of the prior art by providing an adjustable flow restricting nozzle.
The technical scheme adopted by the utility model for solving the problems is as follows:
the utility model provides an adjustable flow-limiting nozzle, comprising:
the valve body is provided with an air inlet channel and an air outlet channel, and an opening is arranged between the air inlet channel and the air outlet channel;
the valve core is arranged between the air inlet channel and the air outlet channel, the valve core is provided with a valve core channel and a through hole communicated with the valve core channel, the valve core channel is communicated with the air inlet channel and the air outlet channel, one end of the valve core is provided with a boss, and the size and shape of the boss are consistent with those of the opening;
the valve core is positioned in the valve body and can move up and down.
Furthermore, a valve core mounting groove is formed in the valve body, and the valve core is connected in the valve core mounting groove in a threaded mode.
Further, a valve cover is arranged on the valve body and fixedly connected to the valve body through a screw.
Furthermore, a plurality of O-shaped sealing rings are arranged between the valve core and the valve core mounting groove.
Further, a cavity is arranged between the opening and the air outlet channel, and the through hole on the valve core is positioned in the cavity.
Further, the through holes are circumferentially distributed around the valve core.
The utility model has the beneficial effects that: the technical scheme provides an adjustable flow-limiting nozzle which comprises a valve body and a valve core, wherein an air inlet channel and an air outlet channel are arranged on the valve body, and an opening is arranged between the air inlet channel and the air outlet channel; the valve core is arranged between the air inlet channel and the air outlet channel, the valve core is provided with a valve core channel and a through hole communicated with the valve core channel, the valve core channel is communicated with the air inlet channel and the air outlet channel, one end of the valve core is provided with a boss, and the size and the shape of the boss are consistent with those of the opening; the valve core is arranged in the valve body and can move up and down, the control of the amount of gas flowing through is adjusted by rotating the valve core to adjust the distance between the lug and the opening on the valve core, and different requirements of the gas combustion apparatus on the gas inflow under the conditions of different rated heat loads, gas types and the like are met.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of an adjustable flow restricting nozzle of the present utility model;
FIG. 2 is a perspective view of an adjustable restrictor nozzle of the present utility model;
FIG. 3 is a side view of an adjustable flow restricting nozzle of the present utility model;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a partial enlarged view at B in FIG. 4;
FIG. 7 is a schematic view of an adjustable restrictor nozzle of the present utility model with increased flow;
fig. 8 is a partial enlarged view at C in fig. 7.
The reference numerals in the drawings are: 1. a valve body; 101. the valve core mounting groove, 102 and the air inlet channel; 103. an air outlet channel; 104. an opening; 105. a cavity; 2. a valve core; 201. a through hole; 202. a boss; 203. a valve core channel, 3 and a valve cover; 4. a screw; 5. an O-shaped sealing ring.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the present application.
Referring to the drawings 1-2 in the specification, an adjustable flow limiting nozzle comprises a valve body 1 and a valve core 2, wherein an air inlet channel 102 and an air outlet channel 103 are arranged on the valve body 1, and an opening 104 is arranged between the air inlet channel 102 and the air outlet channel 103; the valve core 2 is arranged between the air inlet channel 102 and the air outlet channel 103, the valve core 2 is provided with a valve core channel 203 and a through hole 201 communicated with the valve core channel 203, the valve core channel 203 is communicated with the air inlet channel 102 and the air outlet channel 103, one end of the valve core 2 is provided with a boss 202, and the size and shape of the boss 202 are consistent with those of the opening 104; the valve core 2 is positioned in the valve body 1 and can move up and down.
Referring to fig. 3-6, when the valve core 2 is rotated to make the boss 203 on the valve core 2 closely contact with the opening 104, the gas can only flow to the outlet channel 103 through the valve core channel 20 and the through hole 201 on the valve core 2 after entering the inlet channel 102, and at this time, the flow rate of the adjustable flow limiting nozzle is minimum.
Referring to fig. 7 to 8 of the drawings, when the valve core 2 is rotated to form a certain distance between the boss 202 and the opening 104 on the valve core 2, after gas enters the valve body 2 from the air inlet channel 102, the gas can pass through the through hole 201 on the valve core 2 and also can pass through the gap between the boss 202 and the opening 104 on the valve core 2 to flow to the air outlet channel, and at this time, the flow rate of the adjustable flow limiting nozzle is increased.
As a preferred embodiment of this embodiment, the valve body 1 is provided with a valve core mounting groove 101, the valve core 2 is screwed into the valve core mounting groove 101, and the valve core 2 can be moved up and down in the valve body 1 by rotating the valve core 2, so that the operation is simple.
Specifically, be equipped with valve gap 3 on the valve body 1, valve gap 3 pass through screw 4 connect in on the valve body 1, valve gap 3 is used for spacing to case 2, prevents case 2 excessive rotation and then drops out valve body 1.
In addition, a plurality of O-shaped sealing rings 5 are arranged between the valve core 2 and the valve core mounting groove 101, so that the tightness between the valve core 2 and the valve body 1 can be ensured.
As another preferred implementation manner of this embodiment, a cavity 105 is disposed between the opening 104 and the air outlet channel 102, and the through hole 201 on the valve core 2 is located in the cavity 105.
Specifically, the through holes 201 are circumferentially distributed around the valve core 2 in an array.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
the technical scheme provides an adjustable flow-limiting nozzle which comprises a valve body and a valve core, wherein an air inlet channel and an air outlet channel are arranged on the valve body, and an opening is arranged between the air inlet channel and the air outlet channel; the valve core is arranged between the air inlet channel and the air outlet channel, the valve core is provided with a valve core channel and a through hole communicated with the valve core channel, the valve core channel is communicated with the air inlet channel and the air outlet channel, one end of the valve core is provided with a boss, and the size and the shape of the boss are consistent with those of the opening; the valve core is arranged in the valve body and can move up and down, the control of the amount of gas flowing through is adjusted by rotating the valve core to adjust the distance between the lug and the opening on the valve core, and different requirements of the gas combustion apparatus on the gas inflow under the conditions of different rated heat loads, gas types and the like are met.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "horizontal, longitudinal, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description of the present application and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the term "inner and outer" refers to the inner and outer relative to the outline of each component itself.
It will be understood that when an element is referred to as being "on" or "connected to" another element, it can be directly on or directly connected to the other element or intervening elements may be present therebetween. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present therebetween.
In addition, in the description of the present utility model, the terms "first" and "second" are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (6)
1. An adjustable flow restricting nozzle, comprising:
the valve body is provided with an air inlet channel and an air outlet channel, and an opening is arranged between the air inlet channel and the air outlet channel;
the valve core is arranged between the air inlet channel and the air outlet channel, the valve core is provided with a valve core channel and a through hole communicated with the valve core channel, the valve core channel is communicated with the air inlet channel and the air outlet channel, one end of the valve core is provided with a boss, and the size and shape of the boss are consistent with those of the opening;
the valve core is positioned in the valve body and can move up and down.
2. The adjustable flow restricting nozzle of claim 1, wherein said valve body has a spool mounting groove, said spool being threadably connected to said spool mounting groove.
3. An adjustable restrictor nozzle as claimed in claim 2 wherein the valve body is provided with a valve cap fixedly attached to the valve body by screws.
4. An adjustable flow restricting nozzle as defined in claim 3, wherein a plurality of O-rings are provided between the spool and the spool mounting groove.
5. The adjustable restrictor nozzle of claim 4, wherein a cavity is provided between the opening and the outlet passage, and the through hole in the valve core is located in the cavity.
6. An adjustable restrictor nozzle as claimed in any one of claims 1 to 5 wherein the circumferential array of through holes is distributed around the periphery of the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105741.3U CN220417373U (en) | 2023-08-07 | 2023-08-07 | Adjustable flow-limiting nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105741.3U CN220417373U (en) | 2023-08-07 | 2023-08-07 | Adjustable flow-limiting nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220417373U true CN220417373U (en) | 2024-01-30 |
Family
ID=89643950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322105741.3U Active CN220417373U (en) | 2023-08-07 | 2023-08-07 | Adjustable flow-limiting nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220417373U (en) |
-
2023
- 2023-08-07 CN CN202322105741.3U patent/CN220417373U/en active Active
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