CN102661435A

CN102661435A - Biswitch automatic spraying valve

Info

Publication number: CN102661435A
Application number: CN2012101553366A
Authority: CN
Inventors: 全龙浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-18
Filing date: 2012-05-18
Publication date: 2012-09-12

Abstract

The invention relates to a biswitch automatic spraying valve, which comprises a valve body, a valve cover, a magnetic ring sleeve, a magnetic ring component, a movable rod, a bias spring, a valve cover, a memory alloy, a piston cylinder, a magnetic core component and a piston, wherein the memory alloy is sleeved on an adjustment rod; the upper end of the memory alloy is contacted with a spring cap, and the lower end of the memory alloy is contacted with the valve cover; the inner diameter of a spring ring encircled by the memory alloy is smaller than the outer diameter of the upper part of the movable rod; the spring cap is connected with the top of the adjustment rod; the movable rod is positioned in the valve cover; a screw thread is formed on the adjustment rod; a screw thread hole is formed at the upper end of the movable rod; the adjustment rod passes through a middle hole on the top of the valve cover and is matched with the movable rod through the screw thread and the screw thread hole; and the outer diameter of the adjustment rod is smaller than that of the movable rod. According to the biswitch automatic spraying valve, the spring diameter of the memory alloy is reduced, so that the thrust produced by the memory alloy is several times greater than that of the conventional structure, and the reliability of opening the valve is greatly improved; and the valve can be opened or closed through manual fine adjustment during maintenance or test, so that the using effect is enhanced, and the use range is expanded.

Description

Two automatic spray valves of opening

Technical field

Drive the automatic spray valve, belong to cooling, fire-fighting automatic control equipment field for a kind of pair.

Background technique

Publication No. is that the CN102235545A patent document discloses, a kind of passive automatic fire control shower valve, and the present invention is made up of valve body and temperature controlling head, it is characterized in that comprising valve body, the piston diaphragm in the valve body, piston packing; Valve gap, magnetic ring component, magnet ring cover, reset spring, valve bonnet; Memory alloy, spring cap, adjusting nut, depression bar, stage clip; Interior cover, core assembly assembly, spool overcoat, valve core housing, piston column; One columnar water outlet is arranged in the valve body, and the upper end of water outlet is equipped with the piston diaphragm; There is relief hole to cooperate on the said piston diaphragm with the piston packing of piston column bottom; Piston column is pressed in the core assembly assembly through fill-in pad forms spool in the valve core housing.Though this passive automatic fire control shower valve can open and close automatically, because memory alloy needs relatively large size in original design, promptly the spring of memory alloy footpath is bigger; Influenced the thrust in the deformation process; Sometimes the valve of not opening, fire takes place at one's discretion, and consequence is hardly imaginable; All can't accomplish the manual fine-tuning opening/shutting valve when in application, needing maintenance or test in addition.

Summary of the invention

Goal of the invention of the present invention is the deficiency to existing technology, the fire-fighting valve that can open reliably automatically when a kind of fire is provided; And when maintenance or test, can open or close by manual fine-tuning.

In order to solve the problems of the technologies described above, the technological scheme that the present invention takes is following:

A kind of two automatic spray valve of opening; Comprise valve body, valve gap, magnet ring cover, magnetic ring component, motion bar, bias spring, valve bonnet, memory alloy, piston cylinder, core assembly and piston; Said memory alloy is enclosed within on the said adjustable lever; The upper end contacts with the spring cap, and the lower end contacts with valve bonnet, and the internal diameter of memory alloy coiled spring coil is less than the external diameter on said motion bar top; Said spring cap is connected with the adjustable lever top; Said motion bar is positioned at said valve bonnet; Said adjustable lever is provided with screw thread, and said motion bar upper end is provided with tapped hole, and the mesopore that said adjustable lever passes the valve bonnet top cooperates with motion bar through screw thread and tapped hole; The external diameter of said adjustable lever is less than the external diameter of said motion bar.

Preferably, the top of said motion bar is polygon structure, is provided with the polygonal space of matching with said polygon structure in the said valve bonnet.

Preferably, between said memory alloy and valve bonnet, be provided with thermal insulating pad.

Find that through experiment the thrust that the memory alloy wire in same length, same silk footpath is made the littler memory alloy spring coil in spring footpath is bigger, stroke is bigger.Two automatic spray valve of opening provided by the invention and since the spring coil of memory alloy coiled be enclosed within than motion bar little on the adjustable lever of Duo, several times of the thrusts of memory alloy generation have improved the reliability that valve is opened greatly to structure in the past when fire.

In preferred scheme,, be provided with the polygonal space of matching in the said valve bonnet with said polygon structure because the top of motion bar is polygon structure; Thereby limiting the magnet ring cover can only move up and down; Manually during the rotation adjusting bar, adjustable lever cooperates motion bar fine setting activity up and down through screw thread and tapped hole with motion bar; Drive core assembly and piston fine setting activity up and down, thereby can finely tune opening/shutting valve.Between said memory alloy and valve bonnet, be provided with thermal insulating pad, can let the more accurately temperature of perception surrounding atmosphere of memory alloy; If thermal insulating pad is not set between memory alloy and the valve bonnet, owing to receive the influence of fluid temperature in other metal parts and the pipeline, and metal is the good conductor of heat, memory alloy is the perception ambient air temperature rapidly.

Description of drawings

Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.

Fig. 1 is two mechanism principle figures of driving the automatic spray valve;

Fig. 2 is valve bonnet and motion bar cooperating structure schematic representation;

1 is valve body among the figure, and 2 is bolt, and 3 is valve gap, and 4 is the magnet ring cover; 5 is magnetic ring component, and 6 is motion bar, and 7 is bias spring, and 8 is valve bonnet; 9 is adjustable lever, and 10 is the spring cap, and 11 is memory alloy, and 12 is piston cylinder; 13 is core assembly, and 14 is piston, and 15 is motion bar top polygon structure, and 16 is valve bonnet inner polygon space.

Embodiment

Embodiment:

Illustrated in figures 1 and 2; A kind of two automatic spray valve of opening; Comprise valve body 1, valve gap 3, magnet ring cover 4, magnetic ring component 5, motion bar 6, bias spring 7, valve bonnet 8, memory alloy 11, piston cylinder 12, core assembly 13 and piston 14, said memory alloy 11 is enclosed within on the said adjustable lever 9, and the upper end contacts with spring cap 10; The lower end contacts with valve bonnet 8, and the internal diameter of memory alloy 11 coiled spring coils is less than the external diameter on said motion bar 6 tops; Said spring cap 10 is connected with adjustable lever 9 tops; Said motion bar 6 is positioned at said valve bonnet 8; Said adjustable lever (9) is provided with screw thread, and said motion bar (6) upper end is provided with tapped hole, and the mesopore that said adjustable lever (9) passes valve bonnet (8) top cooperates with motion bar (6) through screw thread and tapped hole, and said adjustable lever 9 can screw in the motion bar 6; The external diameter of said adjustable lever 9 is less than the external diameter of said motion bar 6.The top of said motion bar 6 is polygon structure 15, is provided with the polygonal space 16 of matching with said polygon structure in the said valve bonnet 8; Polygon structure 15 and the polygonal space 16 restraint bar 6 that matches can only move up and down; Polygon structure 15 both can be that triangular structure is shown in Fig. 2 A with polygonal space 16; Also can be hexagonal structure shown in Fig. 2 B, can also be that other polygon structure is shown in Fig. 2 C.Between said memory alloy 11 and valve bonnet 8, be provided with thermal insulating pad, can let the more accurately temperature of perception surrounding atmosphere of memory alloy 11.The upper end of bias spring 7 withstands on the top of valve bonnet 8 inwalls, and the lower end of bias spring 7 is pressed on the motion bar 6, and magnet ring cover 4 and magnetic ring component 5 are formed downward pressure.Described magnetic ring component 5 is formed by connecting the magnet same polarity more than two.Valve body 1 is connected through bolt 2 with valve gap 3; Magnetic ring component 5 is positioned at magnet ring cover 4.Be provided with columnar water outlet in the valve body 1, said piston 14 is arranged on the said water outlet; On the said piston 14 relief hole is arranged.

Piston cylinder 12 is welded as a whole after inserting the mesopore of valve gap 3 from bottom to top; Core assembly 13 is inserted from bottom to top the inner chamber of piston cylinder 12; Piston 14 is put into corresponding position, valve body 1 chamber; The valve gap 3 usefulness bolts 2 that will have piston cylinder 12 and core assembly 13 are fixed as one with the valve body 1 that has piston 14, constitute the valve body part.

Magnetic ring component 5 is put into the inner chamber of magnet ring cover 4; Motion bar 6 spins with magnet ring cover 4 and is integrally formed, and is simultaneously that magnetic ring component 5 is fixing; Bias spring 7 is enclosed within on the motion bar 6 from top to bottom; To have the motion bar 6 of magnet ring cover 4, magnetic ring component 5 and bias spring 7, insert from bottom to top in the valve bonnet 8, the inner polygon space 16 that the top polygon structure 15 of motion bar 6 inserts in the valve bonnet 8; To have the valve bonnet 8 of magnet ring cover 4, magnetic ring component 5, motion bar 6 and bias spring 7, spin fixing with valve gap 3; The upper end of bias spring 7 withstands on the interior top of chamber of valve bonnet 8 at this moment, and the bottom of bias spring 7 withstands on the upper end of magnet ring cover 4; Meanwhile, magnetic ring component 5 is in the bottom of piston cylinder 12 under the pressure of bias spring 7; Under the effect of the magnetic line of force, the core assembly 13 in the piston cylinder 12 is located at the bottom of valve body 1 epicoele, and the relief hole of piston 14 is stopped up; In use, valve is in closed condition.Hole with adjustable lever 9 insertion motion bars 6 tops screws in appropriate position; After memory alloy 11 being inserted in the outside of adjustable lever 9, spring cap 10 and adjustable lever 9 are spun, spring cap 10 is pushed down memory alloy 11.

During use, take place like fire, ambient temperature is provided with under the temperature conditions greater than memory alloy, and memory alloy 11 expansions promote spring cap 10 and move up, and move up thereby drive motion bar 6, and magnetic ring component 5 also together moves up; Core assembly 13 in the piston cylinder 12 also together moves up under the effect of magnetic force, has opened the relief hole in the piston 14, and valve body 1 interior upper cavity pressure is diminished, and valve is in opening state.Otherwise ambient temperature descends, and memory alloy 11 shrinks, and magnetic ring component 13 is in bias spring 7 effects action downwards; Core assembly 13 in the piston cylinder 12; Also together action downwards under the effect of magnetic force, the relief hole in the closure piston 14 is closed at the intake pressure lower valve.

When needing maintenance or test, as long as turn adjustable lever 9, valve can be finely tuned unlatching.Because when turn adjustable lever 9; Adjustable lever 9 cooperates with motion bar 6 through screw thread and tapped hole, and motion bar 6 tops are polygon structure 15, and valve bonnet 8 internal upper parts are polygonal space 16; Adjustable lever 9 has withstood the top of piston cylinder 12 when moving down; Therefore motion bar 6, magnet ring cover 4, magnetic ring component 5 can only move up and down, and drive core assembly 13 and piston 14 fine setting activity up and down, thereby can finely tune opening/shutting valve.

In addition, through manually adjustable lever 9 upwards being carried, move up thereby drive motion bar 6, magnetic ring component 5 also together moves up; Core assembly 13 in the piston cylinder 12 also together moves up under the effect of magnetic force, has opened the relief hole in the piston 14, and valve body 1 interior upper cavity pressure is diminished, and valve is in opening state.

Above embodiment's purpose is to explain the present invention, and unrestricted protection scope of the present invention, all application that come by simple change of the present invention all drop in protection scope of the present invention.

Claims

1. drive the automatic spray valve for one kind pair; Comprise valve body (1), valve gap (3), magnet ring cover (4), magnetic ring component (5), motion bar (6), bias spring (7), valve bonnet (8), memory alloy (11), piston cylinder (12), core assembly (13) and piston (14); It is characterized in that said memory alloy (11) is enclosed within on the said adjustable lever (9), the upper end contacts with spring cap (10); The lower end contacts with valve bonnet (8), and the internal diameter of memory alloy (11) coiled spring coil is less than the external diameter on said motion bar (6) top; Said spring cap (10) is connected with adjustable lever (9) top; Said motion bar (6) is positioned at said valve bonnet (8); Said adjustable lever (9) is provided with screw thread, and said motion bar (6) upper end is provided with tapped hole, and the mesopore that said adjustable lever (9) passes valve bonnet (8) top cooperates with motion bar (6) through screw thread and tapped hole; The external diameter of said adjustable lever (9) is less than the external diameter of said motion bar (6).

2. drive the automatic spray valve for according to claim 1 pair, it is characterized in that the top of said motion bar (6) is polygon structure (15), be provided with the polygonal space (16) of matching in the said valve bonnet (8) with said polygon structure.

3. drive the automatic spray valve according to each described couple of claim 1-2, it is characterized in that, between said memory alloy (11) and valve bonnet (8), be provided with thermal insulating pad.