CN202667051U

CN202667051U - Sprayer with safety valve

Info

Publication number: CN202667051U
Application number: CN 201220317275
Authority: CN
Inventors: 王海东
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-19
Filing date: 2012-06-19
Publication date: 2013-01-16
Anticipated expiration: 2022-06-19

Abstract

The utility model discloses a sprayer with a safety valve. The sprayer comprises a gun body, wherein a liquid inlet channel and a liquid outlet channel which are communicated with each other are arranged in the gun body; an opening and closing valve which is opened and closed hermetically is arranged in the liquid inlet channel; a nozzle is arranged on the liquid outlet channel; the gun body is also provided with an air inlet channel which is communicated with a liquid storage cylinder; an air inlet valve which only can be fed with air in one way is arranged in the air inlet channel; an air inlet piston is arranged at an end of the air inlet channel and is operated to continuously supercharge the liquid storage cylinder; liquid in the liquid storage cylinder is continuously sprayed out under the action of the pressure in a cylinder body of the liquid storage cylinder; an automatic pressure-limiting exhaust valve is also arranged on the gun body so as to enable the pressure in the cylinder body to meet the requirement on spraying and avoid accident potentials caused by over high pressure in the cylinder; the improved multifunctional sprayer is safe and reliable in structure, a using process is simple and labor-saving, a multifunctional spraying effect can be realized by using pressure, and the sprayer is small in size, so that packaging cost is saved; and more importantly, mineral water bottles and beverage bottles are recycled, more than a thousand tons of propene polymer materials can be saved each year, the sprayer can be widely applied to the forestry industry, the agriculture industry, the medicine and health industry and other industries in daily life, and market demands are sufficiently met.

Description

A kind of band safety-valve shower nozzle

Technical field

The utility model relates to a kind of liquid spray atomizing device, relates to specifically a kind of band safety-valve shower nozzle that utilizes the air pressure principle to carry out hydrojet.

Background technology

Liquid dispensing apparatus is widely used in agricultural, the deinsectization of the various crops such as forestry, accelerate the ripening, fertilising, or hotel, the restaurant, the medical and health epidemic preventing working of the occasions such as family, and the daily-use chemical industry in the daily life, washing agent, cosmetics, the industries such as cosmetology, in existing sprayer product, the most common with the sprayer unit with the hand-pulling shower nozzle, need in the use procedure to continue with finger compressing spanner, utilize spanner to drive on the inner piston, lower reciprocating motion, thereby the liquid in the sucking-off reservoir, and spray from nozzle, there are many defectives in the sprayer unit of this structure: one, vacuum phenomenon when easily producing vacuum spraying, liquid can't be sucted: two, on piston, can produce air return during lower reciprocating motion, affect atomizing effect; Three, easily cause fluid seepage without closing function, can pollute human body as the liquid band is toxic, security is not high, and simultaneously use procedure needs, and compressing spanner permanent, that continue is sprayed, easily cause finger tired, release for this reason the better shower nozzle of a applicability oneself become existing market in the urgent need to.

The utility model content

Technical problem to be solved in the utility model is to overcome the defective of prior art and provides a kind of air inlet piston that utilizes constantly to pressurize to the reservoir air inlet, and by the lasting multifunctional nozzle of spraying of the realization of the pressure in the bottle, this shower nozzle has structural safety, reliable, use simply, laborsaving, can realize the advantage of several functions jeting effect.

Technical problem of the present utility model is achieved through the following technical solutions:

A kind of band safety-valve shower nozzle, comprise the rifle body that is connected with reservoir, be provided with the feed pathway and the liquid outlet channel that interconnect in the rifle body, be provided with the keying valve that sealing is installed in the feed pathway, the feed pathway pushing tow is passed on pressing plate in the spool top that opens and closes valve, the front end of pressing plate and rifle body are hinged, liquid outlet channel is provided with nozzle, it is characterized in that also being provided with the inlet channel that communicates with reservoir on the described rifle body, be provided with the intake valve that consists of one-way air inlet in this inlet channel, the inlet channel tail end is provided with the air inlet piston: also be provided with the exhaust passage adjacent with feed pathway in the described rifle body, this exhaust passage is communicated with respectively reservoir, inlet channel and the external world are provided with the moving air bleeding valve of pressure limiting order in the exhaust passage.

Described nozzle comprises with sealing ring sealing and is plugged on current divider in the liquid outlet channel, and current divider is provided with outward that the spray that is threaded on the rifle body is female, and current divider is provided with splitter box, and the spray mother is provided with spray orifice.

Described keying valve comprises hollow holders, this holder lower end connects the pipette in the reservoir, be provided with the keying spring between holder and the spool, spool is provided with upper and lower sealing ring, and this upper and lower sealing ring is fitted in respectively on the upper and lower interior shoulder of feed pathway.

Described intake valve comprises valve seat and valve block, the valve seat inner hollow, and the top is provided with centre bore and the limbers of circumference uniform distribution outside centre bore, and valve block is joined in the centre bore that is inserted in valve seat by newel.

Described air inlet piston comprises interconnected piston head and piston rod, and the piston head sealed sliding fits in the inlet channel, and piston rod passes retainer plate attended operation handle, and the retainer plate close-fitting is at the inlet channel tail end.

Described pressure limiting automatic exhaust steam valve comprises valve rod, the valve rod upper end exposes to plane on the rifle body, the lower end is passed the rifle body and is entered in the exhaust passage, be set with sealing ring and the exhaust spring equipped with the counterbore sealing of exhaust passage napex on the valve rod, this exhaust spring is located in the exhaust passage between shoulder and the valve mother, the female close-fitting of valve is plugged on the valve rod lower end, and exhaust spring is enclosed in the exhaust passage.

Compared with prior art, the utility model is that the rifle body at shower nozzle has additional the inlet channel that communicates with reservoir, and in this inlet channel, be provided with can only one-way air inlet intake valve, be provided with the air inlet piston at the inlet channel tail end, application piston is constantly given the reservoir supercharging, under the pressure-acting in bottle the liquid in the reservoir is continued ejection from nozzle, spray needs in order to keep the bottle internal pressure to satisfy simultaneously, also avoid pressure of the inside of a bottle too high and have accident potential, on the rifle body, also be provided with a pressure limiting automatic exhaust steam valve, multifunctional spraying header structure after the improvement is more safe and reliable, use procedure is simply laborsaving, utilize pressure energy to realize the jeting effect of several functions, fully meet the need of market.

Description of drawings

Fig. 1 is the utility model decomposition texture schematic diagram.

Fig. 2 is the diversion structure schematic diagram.

Fig. 3 is the valve seat construction schematic diagram.

The specific embodiment

Below in conjunction with above-mentioned accompanying drawing embodiment the utility model is described in detail again.

Shown in Fig. 1～3,1-rifle body, 2-feed pathway, 3-liquid outlet channel, 4-open and close spring, 5-sealing ring, 6-spool, 7-holder, 8-current divider, 9-splitter box, 10-spray mother, 11-spray orifice, 12-pressing plate, 13-pressing plate groove, 14-counterbore, 15-inlet channel, 16-valve block, 17-valve seat, 18-piston head, 19-piston rod, 20-retainer plate, 21-operating grip, 22-valve rod, 23-exhaust passage, 24-exhaust spring, 25-valve mother, 26-centre bore, 27-limbers.

Band safety-valve shower nozzle, whole outward appearance is a rifle body 1 that is 140 ° of angle bendings, the reservoir (not shown) has been threaded below the rifle body of shower nozzle, this reservoir can adopt the standard spray nozzle bottle, also can use the common plastics bottle, such as Coke bottle etc., to reduce use cost, enlarge the scope of application.Has vertically disposed feed pathway 2 in the rifle body, be provided with the keying valve that sealing is installed in the feed pathway, this keying valve comprises the holder 7 of inner hollow, the holder lower end connects the pipette (not shown) in the reservoir, the upper end has spring seat structure, be provided with in this spring base and open and close spring 4, open and close the spool 6 that spring top pushing tow has upper-lower seal circle 5, spool upper, lower seal is fitted in respectively the upper of feed pathway 2, on the lower inside shoulder to close feed pathway, spool 6 tops are passed the feed pathway item and are pushed away on pressing plate 12, the pressing plate front end is hinged in the pressing plate groove 13 on rifle body 1 top, press pressing plate and get final product the spool 6 that pushing tow opens and closes valve, open feed pathway 2, spool, opening and closing spring 4 all is installed in the feed pathway by holder 7 sealings.

Also be provided with the liquid outlet channel 3 that communicates with feed pathway 2 in the rifle body 1 of shower nozzle, this liquid outlet channel is provided with nozzle, nozzle comprises with sealing ring sealing and is plugged on current divider 8 in the liquid outlet channel, diversion structure as shown in Figure 2, its circular spray plane is provided with two splitter boxs 9, current divider is provided with the spray mother 10 who is threaded on the rifle body outward, and the spray mother is provided with current that small pore-like spray orifice 11. under high pressure spray and namely forms vaporific, the spray regime of vaporific or wire partly behind the splitter box 9 of current divider and the spray orifice 11 on the spray mother.

Also be provided with the exhaust passage 23 adjacent with feed pathway 2 in the rifle body 1, this exhaust passage is communicated with reservoir and the external world, it is a kind of pressure release passage that belongs in the bottle, be provided with the pressure limiting automatic exhaust steam valve in the exhaust passage 23, the structure of this air bleeding valve comprises valve rod 22, valve rod is exposed at plane on the rifle body 1 outside the upper end, the lower end is passed the rifle body and is entered in the exhaust passage 23, be set with sealing ring 5 and the exhaust spring 24 equipped with counterbore 14 sealings at top, exhaust passage on the valve rod, one end item of this exhaust spring pushes away on the interior shoulder of exhaust passage 23, other end pushing tow is on valve mother 25, the female close-fitting of valve is plugged on valve rod 22 lower ends, and exhaust spring 24 is enclosed in the exhaust passage 23.When the reservoir internal pressure is too high, can automatic pushing tow valve rod 22, valve rod is overcome on exhaust spring 24 elastic force move, and the counterbore 14 that breaks away from exhaust passages with the sealing ring 5 on the ovable valve stem to be to open the exhaust passage, reservoir can be communicated with pressure release with the external world like this; When pressure of the inside of a bottle was discharged into predetermined value, exhaust spring 24 elastic force promoted again valve rod 22 and move down greater than gas pressure in the bottle, and sealing ring 5 comes back to the counterbore 14 of exhaust passage, and exhaust passage 23 is closed, and made to keep constant expulsion pressure in the bottle.Can effectively control gas pressure in the reservoir by this pressure limiting automatic exhaust steam valve, prevent that air pressure is too high and burst bottle or destroy internal components.

The grip part that is positioned at rifle body 1 is provided with the inlet channel 15 that communicates with exhaust passage 23, the outer surface of grip part is with anti-skidding design, be provided with the intake valve that consists of one-way air inlet in the inlet channel, this intake valve is made of the valve seat 17 of duroplasts system and the valve block 16 of elastic caoutchouc system, the valve seat inner hollow, structure as shown in Figure 3, its top is provided with centre bore 26 and 4 limbers 27 of circumference uniform distribution outside centre bore, the valve block center is provided with newel, and joins in the centre bore 26 that is inserted in valve seat 17 by this newel.Inlet channel 15 tail ends are provided with the air inlet piston, this air inlet piston comprises interconnected piston head 18 and piston rod 19, piston head is provided with the annular groove that sealing ring is installed, and fit in the inlet channel 15 by the sealing ring sealed sliding in this annular groove, piston rod 19 passes retainer plate 20 that close-fitting is plugged on the inlet channel tail end operating grip 21 that is threaded.

The utility model use procedure is simple, convenient, lasting supercharging gets final product to reservoir only to need to handle the air inlet piston, when hypertonia, can carry out exhaust pressure relief by the pressure limiting automatic exhaust steam valve that communicates with the external world, simultaneously breather cheek valve can prevent also that air pressure from returning and scurry into inlet channel, so the total energy of the pressure in the bottle keeps a very constant operating pressure.With nozzle alignment object to be painted, easily press the pressing plate 12 on the rifle body 1, open the keying valve of original sealing feed pathway 2 and liquid outlet channel 3, the high pressure liquid that sucks in the reservoir can be realized atomized spray or the wire course of injection of multifunction through current divider 8 and spray female 10.

Claims

1. be with the safety-valve shower nozzle for one kind, comprise the rifle body (1) that is connected with reservoir, be provided with the feed pathway (2) and the liquid outlet channel (3) that interconnect in the rifle body, be provided with the keying valve that sealing is installed in the feed pathway, the feed pathway pushing tow is passed on pressing plate (12) in spool (6) top that opens and closes valve, the front end of pressing plate and rifle body (1) are hinged, liquid outlet channel (3) is provided with nozzle, it is characterized in that also being provided with on the described rifle body (1) inlet channel (15) that communicates with reservoir, be provided with the intake valve that consists of one-way air inlet in this inlet channel, inlet channel (15) tail end is provided with the air inlet piston; Also be provided with the exhaust passage (23) adjacent with feed pathway (2) in the described rifle body (1), this exhaust passage is communicated with respectively reservoir, inlet channel (15) and the external world, is provided with the pressure limiting automatic exhaust steam valve in the exhaust passage.

2. the shower nozzle with safety-valve according to claim 1, it is characterized in that described nozzle comprises with sealing ring sealing is plugged on current divider (8) in the liquid outlet channel (3), current divider is provided with the spray female (10) that is threaded on the rifle body (1) outward, current divider is provided with splitter box (9), and the spray mother is provided with spray orifice (11).

3. band safety-valve shower nozzle according to claim 1, it is characterized in that described keying valve comprises hollow holders (7), this holder lower end connects the pipette in the reservoir, be provided with between holder and the spool (6) and open and close spring (4), spool (6) is provided with upper and lower sealing ring (5), and this upper and lower sealing ring is fitted in respectively on the upper and lower interior shoulder of feed pathway (2).

4. band safety-valve shower nozzle according to claim 1, it is characterized in that described intake valve comprises valve seat (17) and valve block (16), the valve seat inner hollow, the top is provided with centre bore (26) and the limbers (27) of circumference uniform distribution outside centre bore, and valve block is joined in the centre bore that is inserted in valve seat by newel.

5. band safety-valve shower nozzle according to claim 1, it is characterized in that described air inlet piston comprises interconnected piston head (18) and piston rod (19), the piston head sealed sliding fits in the inlet channel (15), piston rod (19) passes retainer plate (20) attended operation handle (21), and retainer plate (20) close-fitting is at inlet channel (15) tail end.

6. each described band safety-valve shower nozzle according to claim 1～5, it is characterized in that described pressure limiting automatic exhaust steam valve comprises valve rod (22), the valve rod upper end exposes to the upper plane of rifle body (1), the lower end is passed the rifle body and is entered in the exhaust passage (23), be set with sealing ring (5) and the exhaust spring (24) equipped with counterbore (14) sealing at top, exhaust passage on the valve rod, this exhaust spring is located between the interior shoulder in exhaust passage (23) and the valve female (25), the female close-fitting of valve is plugged on valve rod (22) lower end, and exhaust spring (24) is enclosed in the exhaust passage (23).