CN102909139A - Spraying device and spray gun - Google Patents
Spraying device and spray gun Download PDFInfo
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- CN102909139A CN102909139A CN2012102852242A CN201210285224A CN102909139A CN 102909139 A CN102909139 A CN 102909139A CN 2012102852242 A CN2012102852242 A CN 2012102852242A CN 201210285224 A CN201210285224 A CN 201210285224A CN 102909139 A CN102909139 A CN 102909139A
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- nozzle
- shower nozzle
- jet pipe
- injection apparatus
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Abstract
The invention discloses a spraying device and a spray gun, relates to the technical field of fluid jet and solves the problem of inconvenience in switching of a spray nozzle of an existing spraying device. The spraying device comprises a spray nozzle and a spray pipe, wherein a flow limiting rib is arranged on the inner wall of the spray nozzle; the flow limiting rib divides an inner cavity of the spray nozzle into a front inner cavity and a rear inner cavity; the end part of the spray nozzle is provided with an end part jet communicated with the front inner cavity; the lateral part of the spray nozzle is provided with lateral jets communicated with the rear inner cavity; the side wall of the spray pipe is provided with an outlet communicated with the inner cavity; the spray nozzle is arranged on the spray pipe; and the spray nozzle can axially move along the spray pipe. The spraying device disclosed by the embodiment of the invention is mainly used in various equipment which needs to spray fluid and particularly fire fighting equipment such as a spray gun for fire fighting.
Description
Technical field
The present invention relates to the fluid ejection technique field, relate in particular to spray gun, particularly be used in injection apparatus and spray gun in the fire-extinguishing apparatus.
Background technology
Carry out in the fire extinguishing procedure the fire fighter, generally need injection column liquid or fog-like liquid to put out a fire, generally can only provide a kind of shower nozzle in the existing spray gun, the liquid that can only spray a kind of shape is put out a fire, so, in order to use the fire-fighting demand, need to two shower nozzles be installed at fire-fighting equipment.
For in the situation that two shower nozzles are installed, so that fire-fighting equipment can make things convenient for the fire fighter to use, existing fire-fighting equipment is generally installed two arms at same water pipe, and on two arms, different shower nozzles is installed respectively, and between these two arms, the slip steel ball is set, liquid seals one of them arm by steel ball, so that can spray by the shower nozzle on another arm.
Realizing and using in the process of above-mentioned fire-fighting equipment, the inventor finds that there are the following problems at least in the prior art: spray if in use need to switch to another shower nozzle, need to be with valve closing, then steel ball is shifted, so that another shower nozzle is in open mode, begin again to spray; The mode of this switching shower nozzle is comparatively complicated, is inconvenient to use.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art and a kind of convenient injection apparatus and spray gun that uses is provided, and can simplify the mode of switching shower nozzle.
For achieving the above object, the present invention adopts following technical scheme:
A kind of injection apparatus comprises:
Shower nozzle, the inwall of this shower nozzle is provided with the current limliting muscle, and described current limliting muscle is divided into anterior inner chamber and rear portion inner chamber with the shower nozzle internal cavities; The end of described shower nozzle is provided with the end nozzle that is communicated with described anterior inner chamber, and the sidepiece of shower nozzle is provided with the sidepiece nozzle that is communicated with described rear portion inner chamber;
Jet pipe, the sidewall of this jet pipe is provided with the outlet that is communicated with described internal cavities, and described shower nozzle is installed on the jet pipe, and shower nozzle can move axially along described jet pipe;
Move relative to described jet pipe by shower nozzle, so that the current limliting muscle cuts off being communicated with between described outlet and the anterior inner chamber, and keep being communicated with between described outlet and the rear portion inner chamber; Perhaps so that the current limliting muscle cuts off being communicated with between described outlet and the rear portion inner chamber, and keep being communicated with between described outlet and the anterior inner chamber.
Described shower nozzle is Conic nozzle, and described end nozzle is arranged on the end of Conic nozzle, and described sidepiece shower nozzle is arranged on the sidewall of described Conic nozzle.
Be provided with at least two sidepiece nozzles on the sidewall of described Conic nozzle.
Described end nozzle is the water column nozzle, and described sidepiece nozzle is mist-generating nozzle.
Described jet pipe comprises interconnective injection supervisor and regulating spool, and the sidewall of described regulating spool is provided with described outlet.
One end of described regulating spool also is connected with the water conservancy diversion fuse of taper, and the conical surface of described water conservancy diversion fuse is provided with the spiral stream guidance groove.
Adopt between described shower nozzle and the described jet pipe and be threaded.
Described jet pipe is communicated to ejectisome by extension tube, regulates rotating cylinder between described shower nozzle and the extension tube, regulates rotating cylinder drive shower nozzle by rotation and rotates with respect to jet pipe, so that shower nozzle moves axially along jet pipe.
The both sides that are positioned at described outlet on the described regulating spool are provided with seal, form hermetically-sealed construction between described seal and the described current limliting muscle.
A kind of spray gun comprises the small of the stock and injection apparatus, and injection apparatus is connected with the small of the stock, and described injection apparatus is any one injection apparatus in the such scheme.
Injection apparatus provided by the invention and spray gun because shower nozzle is provided with the current limliting muscle, are provided with outlet at the jet pipe sidepiece, move axially at jet pipe by shower nozzle, so that the current limliting muscle can switch the communication direction of outlet.When shower nozzle moved to jet pipe the place ahead, the current limliting muscle cut off being communicated with between described outlet and the anterior inner chamber, so that outlet only is communicated with the rear portion inner chamber, so can directly spray by rear portion inner chamber, sidepiece nozzle; When shower nozzle moved to the jet pipe rear, the current limliting muscle cut off being communicated with between described outlet and the rear portion inner chamber, so that outlet only is communicated with anterior inner chamber, so can directly spray by anterior inner chamber, end nozzle.
The shower nozzle that after the scheme that adopts the embodiment of the invention to provide can be switches between two kinds of nozzles, and only need to move forward and backward shower nozzle when switching can realize, do not need to turn off valve temporarily, for the scheme that two arms of employing of the prior art switch, the embodiment of the invention can be simplified the switching of spray regime.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that injection apparatus rear end nozzle is in spray regime in the embodiment of the invention;
Fig. 2 is the structural representation that injection apparatus front end nozzle is in spray regime in the embodiment of the invention;
Fig. 3 is the structural representation of spray gun in the embodiment of the invention.
Reference numeral:
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of injection apparatus, and this injection apparatus can apply in the various spraying equipments, and such as the injector on injection gun for fire fighting or the fire fighting truck, as shown in Figure 1, this injection apparatus comprises shower nozzle 10 and jet pipe 20.Wherein, the inwall of shower nozzle 10 is provided with current limliting muscle 11, described current limliting muscle 11 is divided into anterior inner chamber 12 and rear portion inner chamber 14 with the shower nozzle internal cavities, and be provided with the end nozzle 13 that is communicated with described anterior inner chamber 12 in the end of shower nozzle 10, the sidepiece of shower nozzle 10 is provided with the sidepiece nozzle 15 that is communicated with described rear portion inner chamber 14.The embodiment of the invention is provided with the outlet 21 that is communicated with described internal cavities at the sidewall of jet pipe 20, and described shower nozzle 10 is installed on the jet pipe 20, and shower nozzle 10 can move axially along described jet pipe 20, needs the liquid that sprays to flow to shower nozzle by the outlet of jet pipe.
When needs switch, need mobile shower nozzle in the embodiment of the invention between sidepiece nozzle and end nozzle, by shower nozzle moving so that shower nozzle switches between following two states relative to described jet pipe:
The first, as shown in Figure 1, mobile shower nozzle 10 is so that current limliting muscle 11 cuts off being communicated with between described outlet 21 and the anterior inner chamber 12, and keep being communicated with between described outlet 21 and the rear portion inner chamber 14, so just can carry out Fluid injection by rear portion inner chamber 14 and the sidepiece nozzle 15 of jet pipe 20, shower nozzle 10.
The second, as shown in Figure 2, mobile shower nozzle is so that current limliting muscle 11 cuts off being communicated with between described outlet 21 and the rear portion inner chamber 14, and keep being communicated with between described outlet 21 and the anterior inner chamber 12, so just can carry out Fluid injection by anterior inner chamber 12 and the end nozzle 13 of jet pipe 20, shower nozzle.
The shower nozzle that after the scheme that adopts the embodiment of the invention to provide can be switches between two kinds of nozzles, and only need to move forward and backward shower nozzle when switching can realize, do not need to turn off valve temporarily, for the scheme that two arms of employing of the prior art switch, the embodiment of the invention can be simplified the switching of spray regime.
Shower nozzle can adopt Conic nozzle in the embodiment of the invention, and in the end of Conic nozzle end nozzle 13 is set, sidewall at Conic nozzle arranges sidepiece shower nozzle 15, and the employing Conic nozzle can be so that end nozzle 13 and sidepiece nozzle all spray towards the place ahead of shower nozzle.And, because the sidewall of Conic nozzle has larger area, the embodiment of the invention can be provided with at the sidewall of Conic nozzle at least two sidepiece nozzles 15, and 4 to 8 sidepiece nozzles are set in general, the preferred version that wherein to have 6 sidepiece nozzles are present embodiments.
Embodiment of the invention medial end portions nozzle 13 is generally selected the water column nozzle, and the namely outlet of nozzle is generally column; And sidepiece nozzle 15 is generally selected mist-generating nozzle, can spray the water smoke shape fluid of scattering by mist-generating nozzle; These two kinds of nozzles all are nozzles comparatively commonly used in the fire-fighting process.
Jet pipe can adopt but be not limited to following mode and realize in the embodiment of the invention: as depicted in figs. 1 and 2, this jet pipe 20 comprises interconnective injection supervisor 22 and regulating spool 23, the sidewall of described regulating spool 23 is provided with described outlet 21, spraying supervisor 22 is hollow structure, regulating spool 23 is the hollow structure of end sealing, and regulating spool 23 sidewalls are provided with the outlet 21 that is communicated with middle vacancy, fluid can circulate in spraying supervisor and regulating spool, and flow out from the exit, can arrive by this outlet in the internal cavities of shower nozzle, so that fluid can be by the nozzle ejection on the shower nozzle.
For so that the fluid that goes out from the front end nozzle ejection can have certain dispersion shape, as depicted in figs. 1 and 2, the embodiment of the invention also is connected with the water conservancy diversion fuse 24 of taper at an end of regulating spool 23, an end that namely is positioned at the shower nozzle end at regulating spool 23 is provided with water conservancy diversion fuse 24, and the conical surface at water conservancy diversion fuse 24 is provided with spiral stream guidance groove 27, if shower nozzle moved backward to so that shower nozzle 10 inwalls and water conservancy diversion fuse 24 to contacting, so that fluid is merely able to by flowing in the spiral stream guidance groove 27 forward end nozzles, will flow to end nozzle 13 so that fluid is dispersion shape, so that the fluid of ejection is certain dispersion shape.
For so that two kinds of nozzles can work alone fully, the embodiment of the invention is provided with seal 25 and 26 in the both sides that regulating spool 23 is positioned at described outlet, by seal 25 and 26 and described current limliting muscle between form sealing, so that the current limliting muscle has preferably sealing effectiveness when cutting off being communicated with between regulating spool upper outlet and front end cavity or the rear end cavity.
For the convenience of the users operation is adopted between embodiment of the invention shower nozzle 10 and the jet pipe 20 to be threaded, and by the movement of engage thread realization shower nozzle 10 on jet pipe 20, the user only needs rotary nozzle can realize moving forward and backward of shower nozzle.
The embodiment of the invention can be communicated to ejectisome by extension tube 30 with jet pipe 20, for so that operating handle is better, the embodiment of the invention can also be regulated rotating cylinder 40 between shower nozzle 10 and extension tube 30, regulate rotating cylinder 40 by rotation and drive shower nozzle 10 with respect to jet pipe 20 rotations, so that shower nozzle 10 moves axially along jet pipe 20, wherein the rotation adjusting rotating cylinder 40 general plastic cement that adopt are made, and gripping surface is provided with annular knurl, also just at the outer wall of regulating rotating cylinder anti-skidding lines is set, in order to grip.Certainly, rotation adjusting rotating cylinder 40 also can be arranged between shower nozzle and the jet pipe in the embodiment of the invention, repeats no more herein.
The embodiment of the invention also provides a kind of spray gun 50, as shown in Figure 3, this spray gun 50 comprises the small of the stock 51 and the injection apparatus that is connected with the small of the stock 51, and the injection apparatus in this spray gun 50 is for adopting any scheme of above-mentioned injection apparatus, specifically can referring to Fig. 1 and Fig. 2, repeat no more herein.
The embodiment of the invention is mainly used on the various equipment that need to spray fluids, fire-fighting equipment especially, for example spray gun used of fire-fighting.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (9)
1. injection apparatus is characterized in that comprising:
Shower nozzle, the inwall of this shower nozzle is provided with the current limliting muscle, and described current limliting muscle is divided into anterior inner chamber and rear portion inner chamber with the shower nozzle internal cavities; The end of described shower nozzle is provided with the end nozzle that is communicated with described anterior inner chamber, and the sidepiece of shower nozzle is provided with the sidepiece nozzle that is communicated with described rear portion inner chamber;
Jet pipe, the sidewall of this jet pipe is provided with the outlet that is communicated with described internal cavities, and described shower nozzle is installed on the jet pipe, and shower nozzle can move axially along described jet pipe;
Move relative to described jet pipe by shower nozzle, so that the current limliting muscle cuts off being communicated with between described outlet and the anterior inner chamber, and keep being communicated with between described outlet and the rear portion inner chamber; Perhaps so that the current limliting muscle cuts off being communicated with between described outlet and the rear portion inner chamber, and keep being communicated with between described outlet and the anterior inner chamber.
2. injection apparatus according to claim 1 is characterized in that, described shower nozzle is Conic nozzle, and described end nozzle is arranged on the end of Conic nozzle, and described sidepiece shower nozzle is arranged on the sidewall of described Conic nozzle.
3. injection apparatus according to claim 2 is characterized in that, is provided with at least two sidepiece nozzles on the sidewall of described Conic nozzle.
4. according to claim 1,2 or 3 described injection apparatus, it is characterized in that described end nozzle is the water column nozzle, described sidepiece nozzle is mist-generating nozzle.
5. according to claim 1,2 or 3 described injection apparatus, it is characterized in that described jet pipe comprises interconnective injection supervisor and regulating spool, the sidewall of described regulating spool is provided with described outlet.
6. injection apparatus according to claim 5 is characterized in that, an end of described regulating spool also is connected with the water conservancy diversion fuse of taper, and the conical surface of described water conservancy diversion fuse is provided with the spiral stream guidance groove.
7. injection apparatus according to claim 6 is characterized in that, the both sides that are positioned at described outlet on the described regulating spool are provided with seal, forms hermetically-sealed construction between described seal and the described current limliting muscle.
8. injection apparatus according to claim 1, it is characterized in that, adopt between described shower nozzle and the described jet pipe and be threaded, described jet pipe is communicated to ejectisome by extension tube, regulate rotating cylinder between described shower nozzle and extension tube or the jet pipe, regulate rotating cylinder drive shower nozzle by rotation and rotate with respect to jet pipe, so that shower nozzle moves axially along jet pipe.
9. a spray gun comprises the small of the stock and injection apparatus, and injection apparatus is connected with the small of the stock, it is characterized in that, described injection apparatus is the described injection apparatus of any one in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285224.2A CN102909139B (en) | 2012-07-28 | 2012-07-28 | Injection apparatus and spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285224.2A CN102909139B (en) | 2012-07-28 | 2012-07-28 | Injection apparatus and spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102909139A true CN102909139A (en) | 2013-02-06 |
| CN102909139B CN102909139B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210285224.2A Active CN102909139B (en) | 2012-07-28 | 2012-07-28 | Injection apparatus and spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102909139B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775678A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Adjustable jet flow valve |
| CN103775668A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Jet flow valve element |
| CN103769320A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Shower equipment with adjustable jet flow |
| CN104549810A (en) * | 2014-12-26 | 2015-04-29 | 中北大学 | Active explosion-proof rotational flow spray head |
| CN106102925A (en) * | 2014-03-05 | 2016-11-09 | 考茨贝格有限公司 | Extension fixture and spraying equipment for spraying equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086157A (en) * | 1992-09-15 | 1994-05-04 | 戈雷·桑德霍姆 | Nozzle |
| CN203183553U (en) * | 2012-07-28 | 2013-09-11 | 浙江沃尔液压科技有限公司 | Jetting device and spray gun |
-
2012
- 2012-07-28 CN CN201210285224.2A patent/CN102909139B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086157A (en) * | 1992-09-15 | 1994-05-04 | 戈雷·桑德霍姆 | Nozzle |
| CN203183553U (en) * | 2012-07-28 | 2013-09-11 | 浙江沃尔液压科技有限公司 | Jetting device and spray gun |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775678A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Adjustable jet flow valve |
| CN103775668A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Jet flow valve element |
| CN103769320A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Shower equipment with adjustable jet flow |
| CN103775678B (en) * | 2013-04-27 | 2014-12-10 | 广州海鸥卫浴用品股份有限公司 | Adjustable jet flow valve |
| CN103775668B (en) * | 2013-04-27 | 2014-12-24 | 广州海鸥卫浴用品股份有限公司 | Jet flow valve element |
| CN103769320B (en) * | 2013-04-27 | 2015-03-25 | 广州海鸥卫浴用品股份有限公司 | Shower equipment with adjustable jet flow |
| US9863128B2 (en) | 2013-04-27 | 2018-01-09 | Guangzhou Seagull Kitchen And Bath Products Co., Ltd. | Adjustable jet valve |
| US9964221B2 (en) | 2013-04-27 | 2018-05-08 | Guangzhou Seagull Kitchen And Bath Products Co., Ltd. | Jet valve spool |
| CN106102925A (en) * | 2014-03-05 | 2016-11-09 | 考茨贝格有限公司 | Extension fixture and spraying equipment for spraying equipment |
| CN104549810A (en) * | 2014-12-26 | 2015-04-29 | 中北大学 | Active explosion-proof rotational flow spray head |
| CN104549810B (en) * | 2014-12-26 | 2017-07-04 | 中北大学 | Active explosion-proof rotational flow spray head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102909139B (en) | 2015-09-09 |
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 266 No. 314306 Zhejiang province Haiyan Tong Yuan Zhen Tong Yuan Road Applicant after: Wal Science and Technology Ltd. Address before: 66 No. 314306 Zhejiang province Haiyan Tong Yuan Tong Yuan Zhen Road Industrial Area Applicant before: Zhejiang Woer Hydraulic Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG WOER HYDRAULIC TECHNOLOGY CO., LTD. TO: WOER TECHNOLOGY CO., LTD. |
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