CN102909139B - Injection apparatus and spray gun - Google Patents
Injection apparatus and spray gun Download PDFInfo
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- CN102909139B CN102909139B CN201210285224.2A CN201210285224A CN102909139B CN 102909139 B CN102909139 B CN 102909139B CN 201210285224 A CN201210285224 A CN 201210285224A CN 102909139 B CN102909139 B CN 102909139B
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- nozzle
- shower nozzle
- jet pipe
- injection apparatus
- outlet
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Abstract
The invention discloses a kind of injection apparatus and spray gun, relate to fluid ejection technique field, solve the problem that existing injection apparatus switches shower nozzle inconvenience.A kind of injection apparatus, comprising: shower nozzle, the inwall of this shower nozzle is provided with current limliting muscle, and shower nozzle internal cavities is divided into forward lumen and rear portion inner chamber by described current limliting muscle; The end of described shower nozzle is provided with the end nozzle be communicated with described forward lumen, and the sidepiece of shower nozzle is provided with the sidepiece nozzle with described rear portion inner space; Jet pipe, the sidewall of this jet pipe is provided with the outlet be communicated with described internal cavities, and described shower nozzle is arranged on jet pipe, and shower nozzle can move axially along described jet pipe.The embodiment of the present invention is mainly used on the various equipment needing injection fluid, especially fire-fighting equipment, the spray gun of such as fire-fighting.
Description
Technical field
The present invention relates to fluid ejection technique field, particularly relate to spray gun, be particularly used in the injection apparatus in fire-extinguishing apparatus and spray gun.
Background technology
Carry out in fire extinguishing procedure fire fighter, injection columnar liquid or fog-like liquid is generally needed to put out a fire, generally a kind of shower nozzle can only be provided in existing spray gun, the liquid that can only spray a kind of shape is put out a fire, so, in order to use fire-fighting demand, need, on fire-fighting equipment, two shower nozzles are installed.
In order to when installation two shower nozzles, make fire-fighting equipment that fire fighter can be facilitated to use, existing fire-fighting equipment generally installs two arms on same water pipe, and on two arms, different shower nozzles is installed respectively, and between these two arms, slip steel ball is set, seal one of them arm by steel ball, liquid can be sprayed by the shower nozzle on another arm.
Realizing and using in the process of above-mentioned fire-fighting equipment, inventor finds that in prior art, at least there are the following problems: spray if in use need to switch to another shower nozzle, need valve closing, then steel ball is shifted, make another shower nozzle be in open mode, then start 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 provides a kind of injection apparatus easy to use and spray gun, can simplify the mode switching shower nozzle.
For achieving the above object, the present invention adopts following technical scheme:
A kind of injection apparatus, comprising:
Shower nozzle, the inwall of this shower nozzle is provided with current limliting muscle, and shower nozzle internal cavities is divided into forward lumen and rear portion inner chamber by described current limliting muscle; The end of described shower nozzle is provided with the end nozzle be communicated with described forward lumen, and the sidepiece of shower nozzle is provided with the sidepiece nozzle with described rear portion inner space;
Jet pipe, the sidewall of this jet pipe is provided with the outlet be communicated with described internal cavities, and described shower nozzle is arranged on jet pipe, and shower nozzle can move axially along described jet pipe;
Current limliting muscle can conflict respectively outlet both sides and form sealing;
Moved relative to described jet pipe by shower nozzle, current limliting muscle can be conflicted from the different both sides of outlet respectively, makes current limliting muscle cut off described outlet and being communicated with between forward lumen, and keeps being communicated with between described outlet with rear portion inner chamber; Or make current limliting muscle cut off being communicated with between described outlet with rear portion inner chamber, and keep described outlet and being communicated with between forward lumen.
Described shower nozzle is Conic nozzle, and described end nozzle is arranged on the end of Conic nozzle, and described sidepiece nozzle is arranged on the sidewall of described Conic nozzle.
The sidewall of described Conic nozzle is provided with at least two sidepiece nozzles.
Described end nozzle is 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 is also connected with the water conservancy diversion fuse of taper, and the conical surface of described water conservancy diversion fuse is provided with spiral stream guidance groove.
Adopt between described shower nozzle with described jet pipe and be threaded.
Described jet pipe is communicated to ejectisome by extension tube, is provided with adjustment rotating cylinder between described shower nozzle and extension tube, regulates rotating cylinder to drive shower nozzle to rotate relative to jet pipe, shower nozzle is moved axially along jet pipe by rotating.
The both sides described regulating spool being positioned at described outlet are provided with seal, form hermetically-sealed construction between described seal and described current limliting muscle.
A kind of spray gun, comprise the small of the stock and injection apparatus, injection apparatus is connected with the small of the stock, and described injection apparatus is any one injection apparatus in such scheme.
Injection apparatus provided by the invention and spray gun, because shower nozzle is provided with current limliting muscle, be provided with outlet at jet pipe sidepiece, moved axially by shower nozzle on jet pipe, makes current limliting muscle can switch the communication direction of outlet.When shower nozzle moves to jet pipe front, current limliting muscle cuts off described outlet and being communicated with between forward lumen, make outlet only with rear portion inner space, so can directly be sprayed by rear portion inner chamber, sidepiece nozzle; When shower nozzle moves to jet pipe rear, current limliting muscle cuts off being communicated with between described outlet with rear portion inner chamber, and outlet is only communicated with forward lumen, so can directly be sprayed by forward lumen, end nozzle.
The shower nozzle that after the scheme adopting the embodiment of the present invention to provide can be switches between two kinds of nozzles, and only need movable shower nozzle to realize when switching, do not need to turn off valve temporarily, carry out for the scheme that switches relative to employing of the prior art two arms, the embodiment of the present invention can simplify the switching of spray regime.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that in the embodiment of the present invention, injection apparatus rear end nozzle is in spray regime;
Fig. 2 is the structural representation that in the embodiment of the present invention, injection apparatus front end nozzle is in spray regime;
Fig. 3 is the structural representation of spray gun in the embodiment of the present invention.
Reference numeral:
10 shower nozzle 20 jet pipe 30 extension tubes
40 rotate adjustment rotating cylinder 50 spray gun 11 current limliting muscle
12 forward lumen 13 end nozzle 14 rear portion inner chambers
15 sidepiece nozzles 21 export 22 injection supervisors
23 regulating spool 24 water conservancy diversion fuse 25 seals
26 seal 51 small of the stock 27 spiral stream guidance grooves
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of injection apparatus, and this injection apparatus can apply in various spraying equipment, and as the injector on injection gun for fire fighting or 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, shower nozzle internal cavities is divided into forward lumen 12 and rear portion inner chamber 14 by described current limliting muscle 11, and be provided with the end nozzle 13 be communicated with described forward lumen 12 in the end of shower nozzle 10, the sidepiece of shower nozzle 10 is provided with the sidepiece nozzle 15 be communicated with described rear portion inner chamber 14.The embodiment of the present invention is provided with the outlet 21 be communicated with described internal cavities on the sidewall of jet pipe 20, described shower nozzle 10 is arranged on jet pipe 20, and shower nozzle 10 can move axially along described jet pipe 20, need the liquid that sprays by the outlet flow of jet pipe to shower nozzle, the both sides of the outlet and current limliting muscle can be conflicted respectively also form sealing.
In the embodiment of the present invention when needs switch between sidepiece nozzle and end nozzle, need mobile shower nozzle, relative to the movement of described jet pipe, current limliting muscle is switched by shower nozzle between the both sides of outlet of conflicting, shower nozzle so can be made to switch between the following two kinds state:
The first, as shown in Figure 1, mobile shower nozzle 10 makes current limliting muscle 11 cut off described outlet 21 and being communicated with between forward lumen 12, and keep described outlet 21 and being communicated with between rear portion inner chamber 14, so just can carry out Fluid injection by the rear portion inner chamber 14 of jet pipe 20, shower nozzle 10 and sidepiece nozzle 15.
The second, as shown in Figure 2, mobile shower nozzle makes current limliting muscle 11 cut off described outlet 21 and being communicated with between rear portion inner chamber 14, and keep described outlet 21 and being communicated with between forward lumen 12, so just can carry out Fluid injection by the forward lumen 12 of jet pipe 20, shower nozzle and end nozzle 13.
The shower nozzle that after the scheme adopting the embodiment of the present invention to provide can be switches between two kinds of nozzles, and only need movable shower nozzle to realize when switching, do not need to turn off valve temporarily, carry out for the scheme that switches relative to employing of the prior art two arms, the embodiment of the present invention can simplify the switching of spray regime.
In the embodiment of the present invention, shower nozzle can adopt Conic nozzle, and in the end of Conic nozzle, end nozzle 13 is set, the sidewall of Conic nozzle arranges sidepiece nozzle 15, adopts Conic nozzle that end nozzle 13 and sidepiece nozzle can be made all to spray towards the front of shower nozzle.And, because the sidewall of Conic nozzle has larger area, the embodiment of the present invention can be provided with at least two sidepiece nozzles 15 on the sidewall of Conic nozzle, arranges 4 to 8 sidepiece nozzles in general, wherein has the preferred version that 6 sidepiece nozzles are the present embodiment.
Embodiment of the present invention medial end portions nozzle 13 generally selects water column nozzle, and the namely outlet of nozzle is generally column; And sidepiece nozzle 15 generally selects mist-generating nozzle, the mist-like fluid of scattering can be sprayed by mist-generating nozzle; These two kinds of nozzles are all nozzles comparatively conventional in fire-fighting process.
In the embodiment of the present invention, jet pipe can adopt but be not limited to as under type realizes: 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, the hollow structure that regulating spool 23 is closed for one end, and regulating spool 23 sidewall is provided with the outlet 21 be communicated with middle vacancy, fluid can circulate in injection supervisor and regulating spool, and flow out from exit, can be arrived in the internal cavities of shower nozzle by this outlet, so that fluid can be sprayed by the nozzle on shower nozzle.
Certain dispersion shape can be had to make the fluid ejected from front end nozzle, as depicted in figs. 1 and 2, the embodiment of the present invention is also connected with the water conservancy diversion fuse 24 of taper in one end of regulating spool 23, the one end being namely positioned at shower nozzle end at regulating spool 23 is provided with water conservancy diversion fuse 24, and on the conical surface of water conservancy diversion fuse 24, be provided with spiral stream guidance groove 27, make shower nozzle 10 inwall and water conservancy diversion fuse 24 to contacting if moved backward to by shower nozzle, fluid is made to be merely able to by flowing in spiral stream guidance groove 27 forward end nozzle, fluid will be made to be that dispersion shape flows to end nozzle 13, the fluid sprayed is made to be certain dispersion shape.
Can work alone completely to make two kinds of nozzles, the both sides that the embodiment of the present invention is positioned at described outlet on regulating spool 23 are provided with seal 25 and 26, seal by being formed between seal 25 and 26 and described current limliting muscle, make current limliting muscle when cutting off regulating spool upper outlet with being communicated with between front end cavity or rear end cavity, there is good sealing effectiveness.
Operate for the convenience of the users, adopt and be threaded between embodiment of the present invention shower nozzle 10 with jet pipe 20, threadedly realize the movement of shower nozzle 10 on jet pipe 20, user only needs rotary nozzle can realize the movable of shower nozzle.
Jet pipe 20 can be communicated to ejectisome by extension tube 30 by the embodiment of the present invention, in order to make operating handle better, the embodiment of the present invention can also arrange and regulate rotating cylinder 40 between shower nozzle 10 and extension tube 30, rotating cylinder 40 is regulated to drive shower nozzle 10 to rotate relative to jet pipe 20 by rotating, shower nozzle 10 is moved axially along jet pipe 20, wherein rotate and regulate rotating cylinder 40 generally to adopt plastic cement to make, and gripping surface is provided with annular knurl, also just on the outer wall regulating rotating cylinder, anti-skidding lines is set, to grip.Certainly, rotate in the embodiment of the present invention and regulate rotating cylinder 40 also can be arranged between shower nozzle and jet pipe, repeat no more herein.
The embodiment of the present invention also provides a kind of spray gun 50, as shown in Figure 3, the injection apparatus that this spray gun 50 comprises the small of the stock 51 and is connected with the small of the stock 51, the injection apparatus in this spray gun 50 is any one scheme adopting above-mentioned injection apparatus, specifically see Fig. 1 and Fig. 2, can repeat no more herein.
The embodiment of the present invention is mainly used on the various equipment needing injection fluid, especially fire-fighting equipment, the spray gun of such as fire-fighting.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change 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. an injection apparatus, is characterized in that comprising:
Shower nozzle, the inwall of this shower nozzle is provided with current limliting muscle, and shower nozzle internal cavities is divided into forward lumen and rear portion inner chamber by described current limliting muscle; The end of described shower nozzle is provided with the end nozzle be communicated with described forward lumen, and the sidepiece of shower nozzle is provided with the sidepiece nozzle with described rear portion inner space;
Jet pipe, the sidewall of this jet pipe is provided with the outlet be communicated with described internal cavities, and described shower nozzle is arranged on jet pipe, and shower nozzle can move axially along described jet pipe;
Current limliting muscle can conflict respectively outlet both sides and form sealing;
Moved relative to described jet pipe by shower nozzle, current limliting muscle can be conflicted from the different both sides of outlet respectively, makes current limliting muscle cut off described outlet and being communicated with between forward lumen, and keeps being communicated with between described outlet with rear portion inner chamber; Or make current limliting muscle cut off being communicated with between described outlet with rear portion inner chamber, and keep described outlet and being communicated with between forward lumen.
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 nozzle is arranged on the sidewall of described Conic nozzle.
3. injection apparatus according to claim 2, is characterized in that, the sidewall of described Conic nozzle is provided with at least two sidepiece nozzles.
4. the injection apparatus according to claim 1,2 or 3, is characterized in that, described end nozzle is water column nozzle, and described sidepiece nozzle is mist-generating nozzle.
5. the injection apparatus according to claim 1,2 or 3, is characterized in that, described jet pipe comprises interconnective injection supervisor and regulating spool, and the sidewall of described regulating spool is provided with described outlet.
6. injection apparatus according to claim 5, is characterized in that, one end of described regulating spool is also connected with the water conservancy diversion fuse of taper, and the conical surface of described water conservancy diversion fuse is provided with spiral stream guidance groove.
7. injection apparatus according to claim 6, is characterized in that, the both sides described regulating spool being positioned at described outlet are provided with seal, forms hermetically-sealed construction between described seal and described current limliting muscle.
8. injection apparatus according to claim 1, it is characterized in that, adopt between described shower nozzle with described jet pipe and be threaded, described jet pipe is communicated to ejectisome by extension tube, adjustment rotating cylinder is provided with between described shower nozzle and extension tube or jet pipe, regulate rotating cylinder to drive shower nozzle to rotate relative to jet pipe by rotating, shower nozzle is moved axially along jet pipe.
9. a spray gun, comprise the small of the stock and injection apparatus, injection apparatus is connected with the small of the stock, it is characterized in that, described injection apparatus is the injection apparatus in claim 1 to 8 described in any one.
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 CN102909139A (en) | 2013-02-06 |
| CN102909139B true 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 |
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| Country | Link |
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| CN (1) | CN102909139B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| DE102014204012A1 (en) * | 2014-03-05 | 2015-09-10 | Krautzberger Gmbh | Extension device for spray guns and spray gun |
| CN104549810B (en) * | 2014-12-26 | 2017-07-04 | 中北大学 | Active explosion-proof rotational flow spray head |
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 |
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| Publication number | Publication date |
|---|---|
| CN102909139A (en) | 2013-02-06 |
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| C53 | Correction of patent for 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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