CN2551348Y

CN2551348Y - Spray head

Info

Publication number: CN2551348Y
Application number: CN 02271567
Authority: CN
Inventors: 李伯卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-08
Filing date: 2002-07-08
Publication date: 2003-05-21
Anticipated expiration: 2012-07-08

Abstract

The utility model relates to a nozzle which is a special nozzle for a rainmaker. The utility model comprises a casing body provided with a water inlet opening and a water outlet opening; the casing body has an inner cavity with the length further lager than the dimension of the height and the width, a group of water outlet nozzles are uniformly distributed on the longitudinal direction, the axial lines of the water outlet nozzles are positioned in the same plane, and the cross section of the smallest water passage in the nozzles is larger than the hole diameter of a filter gauze of the water inlet opening of a pump. The utility model has a larger horizontal sector spray angle, thus the atomization effect is good, and the blockage can be efficiently prevented.

Description

Shower nozzle

Technical field

The utility model relates to and is used for parts, particularly sprinkling irrigation equipment nozzle specially used that field crops, plant etc. carry out sprinkling irrigation equipment.

Background technology

For utilizing southern dense waterway net region farmland to have the characteristics of irrigation and drainage irrigation canals and ditches, the applicant all discloses the rainer of the different portable single operation of structure in Chinese patent CN2361075, CN2378924, CN2406478, it adopts the floating general structure of boat form of built-in miniature internal combustion engine and water pump, the mouth of a river that pumps into that has filter screen is arranged on hull bottom, pump outlet connects shower nozzle by a flexible pipe, can spray to crop or plant easily, have little, in light weight, easy to operate, the economic and practical characteristics of equipment volume.It is 20 to 40 meters water pump that this rainer adopts lift usually.

Summary of the invention

Use by a period of time is found, there are the following problems needs to be resolved hurrily for the vitals shower nozzle of above-mentioned sprinkling irrigation equipment, the one, under the pressure of above-mentioned lift, when the spray orifice of shower nozzle is big, the water of ejection is column, and water droplet is too big, is not required vaporific of operation, particularly the seedling influence is very big to crops, and the soil easily hardens.Spray orifice hour though can reach the requirement of atomizing, is very easily stopped up by foreign material; The 2nd, the water covering of the fan angle that ejects is too little, needs during operation ceaselessly in the horizontal plane swing also often need frequently to drag hull simultaneously and to move to enlarge the sprinkling irrigation coverage, has increased in the water foreign material and has inhaled the probability that water blockoff pumps into the mouth of a river; The 3rd, discharge by shower nozzle though the foreign material that enter through filter screen are most of, still have small part to discharge and constantly accumulate in the spray orifice inboard, often result in blockage, in influence sprinkling irrigation efficient, wasted the energy.

Main purpose of the present utility model provides effectively anti-clogging, improves the shower nozzle of atomizing ability simultaneously.

Another purpose of the present utility model provides the shower nozzle with bigger horizontal covering of the fan jet angle.

For achieving the above object, the shower nozzle that the utility model proposes comprises that one has the housing of water inlet and delivery port, and water inlet can pass through pipe handle, flexible pipe docks with the water pump feed water inlet.The housing of shower nozzle has a length much larger than inner chamber high, wide yardstick, like this can with one group separately independently Water outlet be distributed on the length direction of housing, and the Water outlet axis is positioned at same plane, each Water outlet covers cap and fixedlys connected with one.Each Water outlet axis adopts the arrangement that is parallel to each other, and with respect to prior art, has had the jet face of broad; If each Water outlet axis adopts the arrangement on the same point that intersects at anti-water outlet direction, whole shower nozzle just has bigger jet angle.Minimum water channel cross section like this, has guaranteed substantially and can also can spray through shower nozzle through the foreign material of water pump pump mouth suction greater than water pump pump mouth filter screen aperture in the shower nozzle, has prevented the obstruction of shower nozzle effectively.

Description of drawings

Fig. 1 is the structure chart that the utility model first embodiment does not pacify the cover cap;

Fig. 2 is the structure chart of shower nozzle cover plate;

Fig. 3 is the A-A cutaway view of Fig. 2;

Fig. 4 is the structure chart of nozzle body;

Fig. 5 is the B-B cutaway view of Fig. 4;

Fig. 6 is the C-C cutaway view of Fig. 4;

Fig. 7 is the D-D cutaway view of Fig. 4;

Fig. 8 is the front view of the utility model first embodiment cover cap;

Fig. 9 is the E-E cutaway view of Fig. 8;

Figure 10 is the vertical view of Fig. 8;

Figure 11 is the upward view of Fig. 8;

Figure 12 is the structure chart of the utility model second embodiment cover cap;

Figure 13 is the vertical view of Figure 12;

Figure 14 is the F-F cutaway view of Figure 12.

Embodiment

The utility model is described in further detail below in conjunction with each embodiment and accompanying drawing thereof.

First embodiment:

Referring to Fig. 1, consider that from technological angle the housing of shower nozzle is made of cover plate 2 and main body 3, maximum appearance and size is the length (about to) of main body 3 and cover plate 2 among the figure, its height in the figure more greater than the sightless width of this figure, therefore forms a microscler cavity.Seven are the uniform arrangement of a word with cover plate 2 integrated Water outlets 1 substantially at length direction, and water inlet 6 outer rims have the screw thread 5 with the pipe handle sealed attachment, and bulge loop 4 compresses sealing ring when being used for connecting with pipe handle.For this example, the board plane of visible cover plate 2 is a horizontal plane, and promptly the axis of Water outlet 1 is positioned at same plane and each axis is parallel to each other.

Referring to Fig. 2, this be cover plate and body portion from after upward view (referring to Fig. 1), cover plate mainly constitutes by panel 10 with around the butt joint girth sheets 9 in one week, be the compression strength that guarantees that the housing inner chamber is pressed in higher, butt joint is provided with many strengthening rib strips 7 in girth sheets one week of 9 inwalls, and bellmouth orifice 8 is positioned at the top end face of Water outlet and the aperture aperture greater than water pump pump mouth place filter screen.

Referring to Fig. 3, strengthening rib strip 7 is integrally formed with cover plate and only be positioned at and dock on the girth sheets, panel 10 flies the edge outside butt joint girth sheets 9, the end face of Water outlet is a plane, can coincide with the inner face that calotte has recess and a groove, and outer rim be provided with can with the screw thread 11 that spins of cover cap, the big mouth of bellmouth orifice 8 is positioned at the inboard on the water outlet crown, osculum is positioned at the outside.

Referring to Fig. 4, this is a main body and vertical view (referring to Fig. 1) after cover plate separates, main body also is integrally formed, infundibulate uncovered 13 and inner chamber 14 that it has an inner edge to match with cover plate butt joint girth sheets physical dimension, main body inner wall has the reinforcement 12 that can dock with cover plate reinforcement 7, and obviously, inner chamber 14 is length dimension cavity volumes much larger than other both direction yardsticks, the width in this chamber is less than the external diameter of bulge loop 4, and water inlet 6 is positioned on the axis of symmetry of main body.

Referring to Fig. 5, the outer rim of water inlet 6 has the screw thread 5 with the pipe handle sealed attachment, and is pressed with the sealing ring (not shown) 4 of bulge loops, strengthens the week that gusset 12 is arranged on inner chamber 14.

Referring to Fig. 6, inner chamber 14 has illustrated section configuration at reinforcement gusset place.

Referring to Fig. 7, strengthening gusset 12 has less length at the two ends of inner chamber.

Referring to Fig. 8 to Figure 11, for reaching better atomizing effect, the top of cover cap 15 is provided with a Saturday apopore 17, there is a recess 19 that can dock with bellmouth orifice on the Water outlet at cover cap 15 top inner wall centers, this recess 19 is communicated with by an arc groove 18 respectively with each apopore 17, and this makes and produce high acceleration from the water with flaring apopore 17 ejections through the arc water channel time, water is atomized fully, simultaneously, water is subjected to action of centrifugal force to enlarge the angle of jet face.For ease of clear assorted dismounting, the outer rim of cover cap 15 is provided with the anti-skidding lines of the hand 16, and inwall has the screw thread 18 that connects with Water outlet, and the horn mouth end diameter of every apopore 17 is greater than the aperture of water pump pump mouth place filter screen, the aperture of filter screen is 3 millimeters, and the end diameter of apopore 17 is 3.5 millimeters.

Second embodiment:

This routine main body, cover plate are all identical with first embodiment, only cover the structure difference of cap.

Referring to Figure 12, Figure 13, Figure 14, the cover cap is except that having the screw thread 20 that spins with Water outlet, its apopore 19 is the horn mouth of strip substantially, bell-mouthed minimum widith is the 6-7 millimeter, greater than the aperture of water pump water inlet place filter screen, but less than the aperture of the bellmouth orifice on the Water outlet 8, these routine characteristics are that each delivery port is that interference is less mutually between the apopore 19, and anti-blocking performance is better, and impulse force is big, and range is far away.

Other embodiment:

Referring to Fig. 1, for obtaining better jet face angle, also can be on the basis of above-mentioned two embodiment, the main body 3 and the connection part of cover plate 2 are made the shape of epirelief, promptly the panel of cover plate 2 is not the plane, but the part of a cylinder, promptly be the cambered surface that has certain radian, like this, the axes intersect of Water outlet 1 in anti-delivery port direction a bit, can make between each Water outlet and arrange, can further reach the purpose that enlarges jet angle and reduce to interfere with relative certain angle (1-5 °).

Usually, all parts of the utility model adopt working of plastics, modes such as cover plate is bonding with the main body employing, welding all can, the close property requirement that reaches under working pressure gets final product.

Claims

1, shower nozzle comprises that one has the housing of water inlet and Water outlet, it is characterized in that: housing has the inner chamber of a length much larger than height and width; One group of Water outlet is distributed on the long face of housing, and every Water outlet is all fixedlyed connected with a cover cap, and minimum water channel cross section is greater than water pump water inlet filter screen aperture in the shower nozzle.

2, shower nozzle according to claim 1 is characterized in that: the Water outlet axis is parallel to each other.

3, shower nozzle according to claim 1 is characterized in that: the Water outlet axes intersect is on the same point of anti-water outlet direction.

4, according to each shower nozzle of claim 1 to 3, it is characterized in that: described housing is by the infundibulate main body and cover plate for sealing is affixed forms, and a Water outlet of each on the cover plate and a cover cap thread are connected.

5, shower nozzle according to claim 4 is characterized in that: big outer little bellmouth orifice in is arranged at the integrally formed and top of described Water outlet and cover plate.

6, shower nozzle according to claim 5 is characterized in that: described cover cap inwall has a recess that is connected with bellmouth orifice on the Water outlet, and one group of apopore is distributed on around the recess, and each apopore is communicated with by an arc groove with recess respectively; The Water outlet end face constitutes the arc water channel with recess, when groove place face docks.

7, shower nozzle according to claim 6 is characterized in that: big outer little horn-like in described apopore has.

8, shower nozzle according to claim 5 is characterized in that: described cover cap has a strip apopore, big outer little bucket shape in apopore is.