CN213466602U - Spray nozzle structure of fire extinguisher - Google Patents
Spray nozzle structure of fire extinguisher Download PDFInfo
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- CN213466602U CN213466602U CN202020984120.0U CN202020984120U CN213466602U CN 213466602 U CN213466602 U CN 213466602U CN 202020984120 U CN202020984120 U CN 202020984120U CN 213466602 U CN213466602 U CN 213466602U
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Abstract
The utility model discloses a shower nozzle structure of fire extinguisher relates to shower nozzle technical field, including shower nozzle main part, connecting plate, nozzle structure, reset spring and nozzle core structure, the one end of shower nozzle main part is equipped with nozzle structure, and the connecting plate setting is in the inside of shower nozzle main part, and is equipped with a plurality of through-holes on the connecting plate, and nozzle core structure sets up in nozzle structure, and reset spring sets up in the shower nozzle main part, and reset spring's one end is connected with the connecting plate, and reset spring's the other end and nozzle core structural connection, and the outer fringe of nozzle core structure is equipped with a plurality of orifices. The dust and impurities can be prevented from being accumulated at the spray hole of the nozzle core structure, the spray hole is protected, and the spray hole can be always in a smooth state.
Description
Technical Field
The utility model relates to shower nozzle technical field especially involves a shower nozzle structure of fire extinguisher.
Background
Fire extinguishers, particularly portable fire extinguishers, are widely available in our daily lives as common fire extinguishers, and public places such as all shopping malls, supermarkets, various companies, libraries, automobiles and the like must be provided with fire extinguishers according to the requirements of the national fire protection act. The prior portable fire extinguisher mainly comprises a cylinder body, a spray pipe, a head valve body, a pressure gauge (fire extinguisher for removing carbon dioxide), a pressure handle, a carrying handle, a safety pin, a nameplate and an internal fire extinguishing agent and fire extinguishing agent injection system.
The nozzles on the spray heads of the fire extinguishers in the prior art are directly exposed outside, so that dust and impurities are accumulated at the spray holes of the spray heads for a long time, and the spray holes are easily blocked.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shower nozzle structure of fire extinguisher for solve above-mentioned technical problem.
The utility model adopts the technical scheme as follows:
the utility model provides a sprinkler head structure of fire extinguisher, includes shower nozzle main part, connecting plate, nozzle structure, reset spring and nozzle core structure, the one end of shower nozzle main part is equipped with the nozzle structure, the connecting plate sets up the inside of shower nozzle main part, just be equipped with a plurality of through-holes on the connecting plate, nozzle core structure sets up in the nozzle structure, and reset spring sets up in the shower nozzle main part, just reset spring's one end with the connecting plate is connected, reset spring's the other end with nozzle core structural connection, the outer fringe of nozzle core structure is equipped with a plurality of orifices.
Preferably, the nozzle body comprises a connector, a first barrel section, a second barrel section and a locking nut, wherein one end of the connector is in threaded connection with one end of the first barrel section, the other end of the first barrel section is connected with the middle of one end of the second barrel section, and the other end of the first barrel section is connected with the second barrel section through the locking nut.
As a further preferred option, a first channel is arranged in the first cylinder section, a second channel is arranged in the second cylinder section, the first channel is communicated with the second channel, the connecting plate is arranged in the second channel, and the outer edge of the connecting plate is in interference fit with the inner wall of the second channel.
As a further preference, the diameter of the cross section of the first cylinder section is smaller than the diameter of the cross section of the second cylinder section.
Preferably, the nozzle structure comprises a third cylinder section and a nozzle body, one end of the third cylinder section is in threaded connection with the other end of the second cylinder section, the other end of the third cylinder section is connected with one end of the nozzle body, an annular limiting groove is formed in the inner wall of the other end of the nozzle body, and the nozzle core structure is arranged inside the nozzle body.
Preferably, the nozzle core structure is a cylindrical shell structure with an opening at one end, the opening end of the cylindrical shell structure faces the third cylinder section, the outer edge of the cylindrical shell structure is provided with a plurality of spray holes, and the other end of the return spring is connected with the inner wall of one side of the cylindrical shell structure, which is far away from the third cylinder section.
As a further preference, the cylindrical shell structure further comprises a limiting convex structure, wherein the limiting convex structure is arranged on the outer edge of the other end of the cylindrical shell structure, and extends into the limiting groove.
The technical scheme has the following advantages or beneficial effects:
the utility model discloses in, through the setting with nozzle core structure retractable on the shower nozzle in nozzle structure, nozzle core structure protractile nozzle structure during the use, when not using, nozzle core structure shrink can prevent that dust and impurity from piling up in nozzle core structure's jet orifice department, realizes the protection to the jet orifice, can be so that the jet orifice is in unobstructed state always.
Drawings
FIG. 1 is a front view of the nozzle structure of the fire extinguisher according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
fig. 4 is a perspective view of a nozzle core structure according to the present invention.
In the figure: 1. a nozzle body; 11. a connector; 12. a first barrel section; 13. a second barrel section; 14. locking the nut; 15. a first channel; 16. a second channel; 2. a connecting plate; 3. a nozzle structure; 31. a third barrel section; 32. a nozzle body; 33. a limiting groove; 4. a return spring; 5. a nozzle core structure; 6. spraying a hole; 7. spacing protruding structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
FIG. 1 is a front view of the nozzle structure of the fire extinguisher according to the present invention; FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is an enlarged view at B in FIG. 2; fig. 4 is a perspective view of the nozzle core structure of the utility model, please see fig. 1 to 4, show an embodiment of preferred, a sprinkler structure of fire extinguisher is shown, including sprinkler main body 1, connecting plate 2, nozzle structure 3, reset spring 4 and nozzle core structure 5, the one end of sprinkler main body 1 is equipped with nozzle structure 3, connecting plate 2 sets up the inside at nozzle main body 1, and be equipped with a plurality of through-holes on connecting plate 2, nozzle core structure 5 sets up in nozzle structure 3, and reset spring 4 sets up in sprinkler main body 1, and reset spring 4's one end is connected with connecting plate 2, reset spring 4's the other end is connected with nozzle core structure 5, the outer fringe of nozzle core structure 5 is equipped with a plurality of orifices 6. In this embodiment, the nozzle body 1 is used to connect with a fire extinguishing agent pipeline on a fire extinguisher, and liquid carbon dioxide in the fire extinguisher enters the nozzle body 1 through the fire extinguishing agent pipeline and then is sprayed out from the spray holes 6 on the nozzle core structure 5. In this embodiment, the nozzle core structure 5 is provided to prevent the nozzle holes 6 from being clogged by dust particles or other foreign substances from the outside.
Further, as a preferred embodiment, the nozzle body 1 includes a connector 11, a first barrel section 12, a second barrel section 13 and a lock nut 14, wherein one end of the connector 11 is connected with one end of the first barrel section 12 by a screw thread, the other end of the first barrel section 12 is connected with the middle of one end of the second barrel section 13, and the other end of the first barrel section 12 is connected with the second barrel section 13 by the lock nut 14. In this embodiment, the inner circumferential wall of the connector 11 is provided with an internal thread for threaded connection with the fire extinguishing agent pipeline. In this embodiment, a locking nut 14 is disposed at the outer edge of the other end of the first cylinder section 12, and is used for fixing the first cylinder section 12 and the second cylinder section 13.
Further, as a preferred embodiment, a first channel 15 is provided in the first cylinder section 12, a second channel 16 is provided in the second cylinder section 13, the first channel 15 is communicated with the second channel 16, the connecting plate 2 is provided in the second channel 16, and the outer edge of the connecting plate 2 is in interference fit with the inner wall of the second channel 16.
Further, as a preferred embodiment, the diameter of the cross section of the first cylinder section 12 is smaller than the diameter of the cross section of the second cylinder section 13.
Further, as a preferred embodiment, the nozzle structure 3 includes a third cylinder section 31 and a nozzle main body 32, one end of the third cylinder section 31 is connected with the other end of the second cylinder section 13 by a screw thread, the other end of the third cylinder section 31 is connected with one end of the nozzle main body 32, an annular limiting groove 33 is formed on the inner wall of the other end of the nozzle main body 32, and the nozzle core structure 5 is disposed inside the nozzle main body 32. In this embodiment, the third cylinder section 31 and the nozzle body 32 are of an integral structure.
Further, as a preferred embodiment, the nozzle core structure 5 is a cylindrical shell structure with one open end, the open end of the cylindrical shell structure faces the third cylinder section 31, the outer edge of the cylindrical shell structure is provided with a plurality of spray holes 6, and the other end of the return spring 4 is connected with the inner wall of the cylindrical shell structure at the side far away from the third cylinder section 31.
Further, as a preferred embodiment, the device further comprises a limiting protrusion structure 7, the outer edge of the other end of the cylindrical shell structure is provided with the limiting protrusion structure 7, and the limiting protrusion structure 7 extends into the limiting groove 33. In this embodiment, in use, liquid carbon dioxide from the fire extinguisher enters the first passage 15 via the fire suppressant conduit, then enters the second channel 16 through the first channel 15, and enters the third cylinder section 31 through the through hole on the connecting plate 2, then enters the nozzle main body 32 through the third cylinder section 31, and finally enters the nozzle core structure 5, at this time, the liquid carbon dioxide can generate impact force to the nozzle core structure 5, so that the nozzle core structure 5 protrudes outward from the nozzle body 32, and the liquid carbon dioxide is sprayed out through the spray holes 6, when the nozzle core structure is not used, the nozzle core structure 5 enters the nozzle main body 32 under the action of the return spring 4, at the moment, the limiting convex structure 7 enters the limiting groove 33, and the limiting convex structure 7 can be abutted against the inner wall of the limiting groove 33, so that the blockage of the spray hole 6 by dust and impurities can be prevented.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (7)
1. The utility model provides a shower nozzle structure of fire extinguisher, its characterized in that, includes shower nozzle main part, connecting plate, nozzle structure, reset spring and nozzle core structure, the one end of shower nozzle main part is equipped with the nozzle structure, the connecting plate sets up the inside of shower nozzle main part, just be equipped with a plurality of through-holes on the connecting plate, nozzle core structure sets up in the nozzle structure, and reset spring sets up in the shower nozzle main part, just reset spring's one end with the connecting plate is connected, reset spring's the other end with nozzle core structural connection, nozzle core structure's outer fringe is equipped with a plurality of orifices.
2. The sprinkler head structure of a fire extinguisher according to claim 1, wherein the sprinkler head main body includes a connector, a first barrel section, a second barrel section, and a locking nut, wherein one end of the connector is threadedly connected with one end of the first barrel section, the other end of the first barrel section is connected with the middle of one end of the second barrel section, and the other end of the first barrel section is connected with the second barrel section through the locking nut.
3. The sprinkler head structure of claim 2, wherein a first channel is provided in the first barrel section, a second channel is provided in the second barrel section, the first channel is communicated with the second channel, the connecting plate is provided in the second channel, and an outer edge of the connecting plate is in interference fit with an inner wall of the second channel.
4. The sprinkler head structure of claim 2, wherein the diameter of the cross-section of the first cylindrical section is smaller than the diameter of the cross-section of the second cylindrical section.
5. The sprinkler head structure of a fire extinguisher according to claim 2, wherein the nozzle structure includes a third cylinder section and a nozzle body, one end of the third cylinder section is threadedly connected with the other end of the second cylinder section, the other end of the third cylinder section is connected with one end of the nozzle body, an annular limiting groove is formed in an inner wall of the other end of the nozzle body, and the nozzle core structure is disposed inside the nozzle body.
6. The sprinkler head structure of a fire extinguisher according to claim 5, wherein the nozzle core structure is a cylindrical shell structure with an opening at one end, the opening end of the cylindrical shell structure faces the third cylinder section, a plurality of the spray holes are formed in the outer edge of the cylindrical shell structure, and the other end of the return spring is connected with the inner wall of one side of the cylindrical shell structure, which is far away from the third cylinder section.
7. The sprinkler head structure of claim 6, further comprising a limiting protrusion structure, wherein the limiting protrusion structure is arranged on the outer edge of the other end of the cylindrical shell structure, and the limiting protrusion structure extends into the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984120.0U CN213466602U (en) | 2020-06-02 | 2020-06-02 | Spray nozzle structure of fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984120.0U CN213466602U (en) | 2020-06-02 | 2020-06-02 | Spray nozzle structure of fire extinguisher |
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| CN213466602U true CN213466602U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020984120.0U Active CN213466602U (en) | 2020-06-02 | 2020-06-02 | Spray nozzle structure of fire extinguisher |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382141A (en) * | 2022-08-29 | 2022-11-25 | 东莞市长原喷雾技术有限公司 | Telescopic high-pressure water mist spray head |
-
2020
- 2020-06-02 CN CN202020984120.0U patent/CN213466602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382141A (en) * | 2022-08-29 | 2022-11-25 | 东莞市长原喷雾技术有限公司 | Telescopic high-pressure water mist spray head |
| CN115382141B (en) * | 2022-08-29 | 2023-08-11 | 东莞市长原喷雾技术有限公司 | Telescopic high-pressure fine water mist spray head |
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