CN202460882U

CN202460882U - Nozzle with positioning mechanism

Info

Publication number: CN202460882U
Application number: CN 201220098692
Authority: CN
Inventors: 毛秧群
Original assignee: YUYAO WUXING COPPER INDUSTRY Co Ltd
Current assignee: YUYAO WUXING COPPER INDUSTRY Co Ltd
Priority date: 2012-03-15
Filing date: 2012-03-15
Publication date: 2012-10-03
Anticipated expiration: 2022-03-15

Abstract

The utility model provides a nozzle with a positioning mechanism. The nozzle comprise a first nozzle, a second nozzle and a flow guide horn, wherein the first nozzle comprises at least first siphon ports, a first contact plane, a counter bore, a spring arranged inside the counter bore and a roll ball arranged at one side of the spring; the second nozzle comprises second siphon ports, a second contact plane and a concave pit arranged on the second contact plane; the concave pit is used for accommodating the part of the roll ball which is exposed out of the first contact plane; the first siphon ports are aligned with a central axis of the corresponding second siphon ports; and the flow guide horn comprises a horn port which becomes wider and wider along the flow direction. With the adoption of the spring, the roll ball and the positioning mechanism composed of the concave pit, a plurality of first siphon ports can be aligned with a plurality of siphon ports when the first nozzle is assembled with the second nozzle, so that the turbulent flow formed in the air flow sucked between the first siphon ports and the second siphon ports is prevented, then the mutual interference is prevented, and the air flow reaching a dust removing plane is prevented from being reduced.

Description

A kind of shower nozzle with detent mechanism

Technical field

The utility model relates to a kind of shower nozzle that is used on the air drifting dust rifle, particularly a kind of shower nozzle with detent mechanism with location structure.

Background technology

Like Fig. 1 and shown in Figure 2, be a kind of existing air drifting dust rifle, and the shower nozzle that is used for this air drifting dust rifle.Said air drifting dust rifle comprises that 1, one on a body of a gun is provided with the shower nozzle 2 on this body of a gun 1.Said shower nozzle 2 is one to have the ducted body of axial central through hole 3, and it comprises one first body 4, and second body 5 that is arranged on respect to the said body of a gun 1 other end.The outer circumference surface of said first body 4 is provided with four first siphon port 6 that are communicated with central through hole.Also be provided with on the outer circumference surface of said second body 5 with the center and lead to four second logical siphon port 7.When this air drifting dust rifle work, can go into more air mass flows from said first,

second siphon port

6,7 siphons, thereby make the air outlet area of second body 5 increase, relatively the dedusting area also increases, and then increases dedusting speed.

Assembling said first, second body at 1,2 o'clock, said first,

second siphon port

6,7 is on the same circumferential cross-section, have more air-flow and get into.Otherwise can make from first siphon port, 6 inhaled airs stream and from second siphon port, 7 inhaled airs stream and form interference, and then reduce arrival by the air-flow of dedusting face.But,, when assembling, be difficult to confirm to aim at said first,

second siphon port

6,7 for shower nozzle 2 of the prior art.

The utility model content

In view of this, be necessary to provide a kind of and aim at the shower nozzle with detent mechanism of said first, second siphon port when being convenient to assemble, to overcome above-mentioned deficiency.

The shower nozzle with detent mechanism that the utility model provides comprises one first nozzle, second nozzle that is arranged on said first nozzle, one end, water conservancy diversion loudspeaker that are arranged on said second nozzle and are positioned at the first nozzle opposite side.Said first nozzle comprises at least one first siphon port; First contact-making surface that contacts with second nozzle; A counterbore that is arranged on this first contact-making surface, a spring that is arranged in the said counterbore, and a ball that is arranged on free end one side of said spring.The diameter of the arrival end of said counterbore is less than the diameter of said ball, with this ball interference fit.Said second nozzle comprises second siphon port suitable with the quantity of first siphon port, second contact-making surface that contacts with first contact-making surface of first nozzle, a pit that is arranged on said second contact-making surface.This pit is used for the part that ccontaining said ball exposes first contact-making surface, and said first siphon port is alignd with the axis of corresponding second siphon port respectively.Said water conservancy diversion loudspeaker comprise one along the gradually wide horn mouth of airflow direction, and this bell-mouthed opening angle and this horn mouth are inversely proportional to the distance of the junction of first nozzle and air drifting dust rifle.

Said counterbore is arranged in said first siphon port on one the axis.

Said pit is arranged on the axis with corresponding second siphon port of first siphon port.

Said second nozzle comprises an end that is spirally connected that is connected with first nozzle, second body that is connected with this end that is spirally connected.

Said second siphon port is arranged on said being spirally connected between the end and second body.

The diameter of said second body is greater than the diameter of the said end that is spirally connected.

The said water conservancy diversion loudspeaker and second nozzle are one-body molded.

Said water conservancy diversion loudspeaker also comprise a connecting portion, and said connecting portion is connected with second nozzle threads.

Owing to have spring and the ball on said first nozzle; And second detent mechanism that constitutes of pit on the nozzle; When said first nozzle and second nozzle are assembled; The part that said ball exposes first contact-making surface is placed in this pit fully, and a plurality of first siphon port of first nozzle and a plurality of siphon port of second nozzle are aligned, thereby can avoid between first, second siphon port, forming sinuous flow in institute's inhaled air stream; And the phase mutual interference, and then avoid reducing arrival by the air-flow of dedusting face.

Description of drawings

Below in conjunction with accompanying drawing the embodiment of the utility model is described, wherein:

Fig. 1 is existing air drifting dust rifle and the partial schematic sectional view that is used for the nozzle on this air drifting dust rifle.

Fig. 2 is the three-dimensional exploded perspective view figure of the nozzle of Fig. 1.

Fig. 3 is the three-dimensional exploded perspective view of the shower nozzle with detent mechanism that the utility model provided.

Fig. 4 is the cross-sectional schematic of first nozzle of the nozzle of Fig. 3.

The specific embodiment

Below be further elaborated based on the specific embodiment of accompanying drawing to the utility model.Should be appreciated that specific embodiment described herein only as embodiment, and be not used in the protection domain that limits the utility model.

See also Fig. 3, be a kind of shower nozzle 10 that present embodiment provided with detent mechanism.Said shower nozzle 10 comprises one first nozzle 11; Second nozzle 12 that is arranged on said first nozzle 11; A spring 13 that is arranged in first nozzle 11; An and ball 14 that is arranged in said first nozzle 11, and water conservancy diversion loudspeaker 15 that are arranged on said second nozzle 12 and are positioned at first nozzle, 11 opposite sides.In the present embodiment, said first nozzle 11 is connected with the mode of being spirally connected with second nozzle 12.Said spring 13 is used for said ball 14 is replaced to second nozzle 12 to locate said first, second nozzle 11, relative position between 12.

Said first nozzle 11 comprises one first body 111; First siphon port 112 that is arranged on this first body 111; 113, one of an internal thread hole of jet end that are used to connect air drifting dust rifle (figure do not show) that are arranged on these first body, 111 1 ends is arranged on the double-screw bolt 114 that is used to connect second nozzle 12 of the other end of said this first body 111.Said first siphon port 112 is opened on the sidewall of said first body 111, is evenly distributed with four first siphon port 112 in the present embodiment.What can expect is that a plurality of these first siphon port 112 arbitrarily can be set as required.The shape of this first siphon port 112 can be made as triangle, oval hole shape, circle, square or other various geometries on demand, and size also is able to suitably change, and looks demand fully and changes.When said first nozzle, 11 jet flows go out swiftly flowing compressed air; Air storage capacity with the flow consumed cabin air compressor of 150 liters of per minutes; When these first nozzle, 11 jet flows go out the air of low-voltage high speed; First siphon port 112 around this first nozzle 11 forms vacuum states, sinks the air of first siphon port, 112 external high pressures, and a large amount of air flow into compressed air with high speed jet in first nozzle, 11 internal mix jet flows by first siphon port 112; Thereby increase the flow of air-flow, and then increase dust removing effects.

Please consult Fig. 4 in the lump, said first nozzle 11 comprises that also 115, one of first contact-making surface that are used for contacting with second nozzle 12 is arranged on the counterbore 116 on this first contact-making surface 115.The diameter of the porch of this counterbore 116 is less than the diameter of said ball 14, with these ball 14 interference fit.This counterbore 116 is except that the diameter of porch, and the diameter of the aperture of remainder and ball 14 is suitable.Said counterbore 116 is arranged on the axis of any one first siphon port 112.

Said second nozzle 12 comprises that 121, one of one second bodies are arranged on the end 122 that is spirally connected of these second body, 121 1 sides, and at least one is arranged on said second body 121 and is spirally connected holds second siphon port 123 between 122.In order to enlarge the dedusting area of this nozzle 10, the diameter of said second body 121 is held 122 diameter greater than said being spirally connected, thereby makes second siphon port 123 be arranged on the inclined-plane.In order to make each first siphon port 112 corresponding with second siphon port 123, the quantity of this second siphon port 123 equates with the quantity of first siphon port 112.The said end that is spirally connected 122 is provided with internal thread, to match with the double-screw bolt 114 of first nozzle 11, has second contact-making surface 124 inconsistent with first contact-making surface 115 of first nozzle 11 simultaneously on this end 122 that is spirally connected.This second contact-making surface 124 is provided with a pit 125.This pit 125 is used for the part that ccontaining said ball 14 exposes first contact-making surface 115.The diameter of the porch of this pit 125 can less than, equal, perhaps greater than the diameter of said ball 14.At the diameter of the porch of this pit 125 during less than the diameter of said ball 14, the part of must said ball 14 exposing first contact-making surface 115 is placed in this pit 125 fully and is advisable.This pit 125 is arranged on the axis of any one second siphon port 123, so that said first siphon port 112 is alignd with the axis of corresponding second siphon port 123 respectively.With first siphon port 112, said second siphon port 123 has identical effect with first siphon port 112.Said second body 121 is provided with external screw thread with respect to an end of the end 122 that is spirally connected, to be spirally connected with water conservancy diversion loudspeaker 13.

Diameter outside the inlet of the external diameter of said spring 13 and counterbore 116 is suitable, is beneficial to this spring 13 is inserted in these counterbores 116.The length of this spring 13 is can replace said ball 14 and to have certain decrement to be advisable.

The inside diameter of the diameter of said ball 14 and counterbore 116 is suitable.Because ball 14 is interference fit with the porch of counterbore 116, when assembling, need this ball 14 is pressed into by external force in the said counterbore 116.Simultaneously,, after this ball 14 is pressed in the counterbore 116, can from this counterbore 116, not drop out, can not replaced out simultaneously yet by said spring 13 because the porch of ball 14 and counterbore 116 is interference fit.

Said water conservancy diversion loudspeaker 15 can be one-body molded with second nozzle 12, also can connect through the mode of being spirally connected, and what certainly expect is that these water conservancy diversion loudspeaker 15 can also otherwise connect, like resilient key connection etc.In the present embodiment, said water conservancy diversion loudspeaker 15 are connected with the mode of being spirally connected with second nozzle 12.These water conservancy diversion loudspeaker 15 comprise 151, one of links that is used for being spirally connected with second nozzle 12 and these link 151 integrated horn mouths 152.This horn mouth 152 is gradually wide along airflow direction.Because it is far away more that high pressure draught leaves the gas outlet of air drifting dust rifle (figure does not show); Its velocity attenuation big more; It receives the influence of extraneous low-pressure air current also big more, so this moment, the opening angle of horn mouth 152 should be more little; To stop the influence of extraneous low-pressure air current, simultaneously with the high pressure draught guiding working face to external diffusion of the gas outlet of second nozzle 12.Therefore, the opening angle of this horn mouth 152 and this horn mouth 152 to first nozzles 12 are inversely proportional to the distance of the junction of air drifting dust rifle.Said water conservancy diversion loudspeaker 13 have two effects; The one, can prevent that extraneous low-pressure air current is to the interference at the high pressure draught of the gas outlet of second nozzle 12; The 2nd, can be with the high pressure draught guiding working face of the gas outlet of second nozzle 12; Thereby can reduce the influence of extraneous air-flow, to improve compressed-air actuated utilization rate.

Owing to have spring 13 and ball 14 on said first nozzle 11; And second detent mechanism that constitutes of pit 125 on the nozzle 12; When said first nozzle 11 and second nozzle 12 are assembled; The part that said ball 14 exposes first contact-making surface 115 is placed in this pit 125 fully, and four first siphon port 112 of first nozzle 11 and four siphon port 123 of second nozzle 12 are aligned, thereby can avoid in first, second siphon port 112, form sinuous flow in institute's inhaled air stream between 123; And the phase mutual interference, and then avoid reducing arrival by the air-flow of dedusting face.

The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Interior any modification of doing of all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included in the utility model protection domain in.

Claims

1. shower nozzle with detent mechanism; Comprise one first nozzle, second nozzle that is arranged on said first nozzle, one end is characterized in that: said shower nozzle also comprises water conservancy diversion loudspeaker that are arranged on said second nozzle and are positioned at the first nozzle opposite side; Said first nozzle comprises at least one first siphon port; First contact-making surface that contacts with second nozzle, a counterbore that is arranged on this first contact-making surface, a spring that is arranged in the said counterbore; And ball that is arranged on free end one side of said spring; The diameter of the arrival end of said counterbore is less than the diameter of said ball, with this ball interference fit, said second nozzle comprises second siphon port suitable with the quantity of first siphon port; Second contact-making surface that contacts with first contact-making surface of first nozzle; A pit that is arranged on said second contact-making surface, this pit is used for the part that ccontaining said ball exposes first contact-making surface, and said first siphon port is alignd with the axis of corresponding second siphon port respectively; Said water conservancy diversion loudspeaker comprise one along the gradually wide horn mouth of airflow direction, and this bell-mouthed opening angle and this horn mouth are inversely proportional to the distance of the junction of first nozzle and air drifting dust rifle.

2. the shower nozzle with detent mechanism as claimed in claim 1 is characterized in that: said counterbore is arranged in said first siphon port on one the axis.

3. the shower nozzle with detent mechanism as claimed in claim 2 is characterized in that: said pit is arranged on the axis with corresponding second siphon port of first siphon port.

4. the shower nozzle with detent mechanism as claimed in claim 1 is characterized in that: said second nozzle comprises an end that is spirally connected that is connected with first nozzle, second body that is connected with this end that is spirally connected.

5. the shower nozzle with detent mechanism as claimed in claim 4 is characterized in that: said second siphon port is arranged on said being spirally connected between the end and second body.

6. the shower nozzle with detent mechanism as claimed in claim 4 is characterized in that: the diameter of said second body is greater than the diameter of the said end that is spirally connected.

Such as claim 1 the shower nozzle with detent mechanism of art, it is characterized in that: the said water conservancy diversion loudspeaker and second nozzle are one-body molded.

8. the shower nozzle with detent mechanism as claimed in claim 1 is characterized in that: said water conservancy diversion loudspeaker also comprise a connecting portion, and said connecting portion is connected with second nozzle threads.