CN203223584U

CN203223584U - Dual-function valve

Info

Publication number: CN203223584U
Application number: CN 201320217932
Authority: CN
Inventors: 祝文耀; 李森; 夏珂娜
Original assignee: Ningbo Jiekelong Precision Manufacturing Co Ltd; Ningbo Jintian Copper Group Co Ltd
Current assignee: Ningbo Jiekelong Precision Manufacturing Co Ltd; Ningbo Jintian Copper Group Co Ltd
Priority date: 2013-04-26
Filing date: 2013-04-26
Publication date: 2013-10-02
Anticipated expiration: 2023-04-26

Abstract

A dual-function valve comprises a valve cavity, a spherical valve element, a valve rod, a valve body, a handle, a magnetic key and a rotary shifting sheet, wherein a step hole is formed in the middle of the end surface of the valve body, an arc groove is formed in one side of the end surface of the valve body, a positioning groove perpendicular to the end surface is formed in the other side of the end surface of the valve body, the rotary shifting sheet covers the end surface of the valve body, a positioning sheet corresponding to the positioning groove in the end surface of the valve body is arranged on the periphery of the rotary shifting sheet, positioning holes aligned at magnetic pin holes in the end surface of the valve body in a rotary mode are formed in two sides of a middle hole of the rotary shifting sheet, and limiting holes aligned at the magnetic pin holes in the end surface of the valve body are formed in two sides of a middle hole in the lower end surface of the handle. The dual-function valve can serve as an ordinary valve under normal conditions, and can serve as a lock type valve by shifting the rotary shifting sheet. A user inserts the magnetic key into the valve to open the valve while shifting the rotary shifting sheet, and then the dual-function valve can serve as the ordinary valve again. In a water and air supply pipeline system, the dual-function valve can replace both the magnetic lock valve and the ordinary valve, and has the advantages of being convenient to operate and low in cost.

Description

A kind of dual function valve

Technical field

The utility model relates to a kind of in plumbing and the combustion gas field and has bifunctional valve.

Background technique

Magnetic locking-type valve is at water supply, heating, air feed difficult charge and develop, and is used widely.When user's malicious owing fee, close magnetic locking-type valve and stop air feed, water supply, the user generally can not open voluntarily, needs to use special key.Being ZL201020659919.9(notification number CN201866314U as the patent No.) " the trivial ball valve of magnetic ", the patent No. be ZL 200910102385. 1(notification number CN IO2003544A) " magnetic control valve for guarding against theft " disclose a kind of valve for guarding against theft that is difficult at will opening, playing tamper-proof effect respectively, but the trivial formula valve of above-mentioned magnetic can not free throttle down, must use special key just can close.For guarantee user water, with the safety of gas, in residential building water supply, heating, gas supply pipe system, also need at user terminal a common valve is installed again, the user can open and close voluntarily, be not subjected to the influence of front end magnetic valve, when the generation urgency, during as gas leakage, by user's throttle down, in time cut off source of the gas, after pipeline leakage solved, the user can open valve voluntarily, do not need special key, be user-friendly to.Like this, need to install two valves in the pipeline, increase cost and installation, maintenance cost.Therefore, existing magnetic locking-type valve mechanism is still waiting further improvement.

Summary of the invention

Goal of the invention of the present utility model is intended to overcome the deficiency of above-mentioned valve, and a kind of locking-type valve locking function that both had is provided, and has the common valve dual function valve of on-off function at any time again.

A kind of dual function valve, comprise valve pocket, be located at the ball valve core in the valve pocket, be located at the valve rod on the ball valve core, be located at the valve body of valve rod periphery, connect the handle of valve rod, and the magnetic key that flexibly connects with handle, it is characterized in that: establish step hole in the middle of the valve body end face, a side of valve body end face is established arc groove, and valve body end face opposite side is established the locating slot perpendicular with end face; One covers the rotation plectrum on the valve body end face, rotate the plectrum outer rim and establish a location piece corresponding with the locating slot of valve body end face, the intermediate hole both sides of rotating plectrum establish with the valve body end face on the positioning hole of magnetic pin-and-hole rotational alignment, the spacing hole of aiming at the magnetic pin-and-hole on the valve body end face is established in the intermediate hole both sides, lower end surface of handle.

Establish in the described step hole and isolate the spacer that rotates plectrum and valve rod.

Described valve body end face is established two locating slots that parallel in the one side cylndrical surface.

The spacing hole of described handle lower end surface and the bar magnet hole of handle upper-end surface are concentric correspondingly not to communicate.

The described valve body end face outside is for accounting for the arc step of circular arc long 1/3～1/4.

The arc step that an annulus and described valve body end face are established in the outside, lower end surface of described handle is combined into arc groove.

Under normal circumstances can make common valve and use, when malicious owing fee takes place, stir throttle down behind the conversion plectrum, become the locking-type valve; After closing, plug special key, stir the conversion plectrum when opening valve again, valve can be used as common valve again and uses.Supplying water, in the gas supply pipe system, a difunctional valve be installed, two valves of alternative magnetic locking-type valve and common valve, have easy to operate, the characteristics that cost is low.

Description of drawings

Fig. 1 a is the utility model basic structure sectional arrangement drawing (opening valve state).

Fig. 1 b is that A-A of Fig. 1 a is to view.

Fig. 2 a is the closed condition figure of Fig. 1 a.

Fig. 2 b is that B-B of Fig. 2 a is to view.

Fig. 3 a is valve body upper-end surface plan view.

Fig. 3 b is the sectional arrangement drawing of Fig. 3 a.

Fig. 3 c is the worm's eye view of Fig. 3 a.

Fig. 4 a is conversion plectrum plan view.

Fig. 4 b is D-D sectional drawing of Fig. 4 a.

Fig. 5 a is the handle plan view.

Fig. 5 b is that E-E of Fig. 5 a is to sectional view.

Fig. 5 c is the worm's eye view of Fig. 5 a.

Fig. 6 a is the plan view of magnetic key.

Fig. 6 b is F-F sectional drawing of Fig. 6 a.

Embodiment

Below in conjunction with embodiment the utility model is described further.

Shown in Fig. 1 a, Fig. 1 b, difunctional valve comprises preceding valve pocket 1, middle valve pocket 2, ball valve core 3, back valve pocket 4, valve rod 5, valve body 6 and handle 8, and these are identical with conventional ball core valve.Valve body 6 end face center cavity peripheral hardwares one conversion plectrum 7, socket spacer 10 in it, the symmetrical magnetic pin-and-hole 63 of valve body center cavity peripheral hardware, establish helical spring 12 and magnetic pin 10 in the magnetic pin-and-hole 63, valve rod 5 is rotatably connected in valve body 6 center cavities, the ball valve core 3 during valve rod 5 lower ends are connected in the valve pocket 2.

Be depicted as the tight state of the block of valve referring to Fig. 2 a, Fig. 2 b, during two positioning holes, 72 coaxial communicating in two magnetic pin-and-holes 63 on valve body 6 end faces and the conversion plectrum 7, magnetic pin 11 stops handle 8 to rotate at the elastic force effect lower process of spring 12, and valve rod can not be rotated, and also is in the locking closed condition this moment.

As Fig. 3 a～3c, end face 62 arranged outside of described valve body 6 have arc step 61, two the magnetic pin-and-holes 63 that are distributed on about intermediate cavity that account for circular arc long 1/3～1/4, intermediate cavity outer periphery step hole 66, spring 12 and magnet 11 are placed in the magnetic pin-and-hole 63, spring 12 1 ends are connected with magnet 11, the other end is conflicted in the bottom of pin-and-hole 63, the magnetic polarity of two magnetic pins 11 arranges identical, two locating

slots

64 and 65 vertical with end face 62 are set in the cylndrical surface, valve body 6 side, are used for setting the pivotal position of conversion plectrum 7.

As Fig. 4 a, Fig. 4 b, center hole 71 is established at conversion plectrum 7 centers, arrange on the excircle of center hole 71 two with valve body 6 end faces on magnetic pin-and-hole 63 corresponding positioning hole 72, the circular arc between two positioning holes 72 also has a location piece 73 vertical with changing plectrum 7.Conversion plectrum 7 is enclosed within on the spacer 10, can freely rotate around partition 10, establishes the spacer 10 of isolating conversion plectrum 7 and valve rod 5 in the step hole 66, and rotating between plectrum 7 and the valve rod 5 has spacer 10, and rotating plectrum 7 can be along with valve rod 5 rotates and rotates.

As Fig. 5 b, uniform 2 spacing holes 81 are corresponding with the magnetic pin-and-hole 63 of valve body 1 on the bottom surface 84 of described handgrip 8.The arc step 61 that an annulus and valve body end face are established in 84 outsides, lower end surface of handle 8 is combined into arc groove, and handle 8 upper surfaces 85 are provided with 2 bar magnet holes 82, it and spacing hole 81 concentrics, but do not communicate.Shown in Fig. 5 c, a fixed pin holes 86 is set also on the bottom surface 84 of handle 8, interference fit is connected and fixed pin 13.There is a threaded step hole 83 in handle 8 center portions, and screw is installed in the hole 83 handle 8 is connected with valve rod 5.

As Fig. 6 a, described magnetic key 9 is made up of two key plugs 92 and two bar magnets 93.Described key body is provided with two threaded circular vestibules 95 and two rectangular slotted eyes 94, circular vestibule 95 and key body horizontal axis angle at 45, with key plug 92 by being threaded, two bar magnets 93 are placed on respectively in the key plug 92, fix by the 92 lower end surface reducings of key plug.Magnetic pin 11 is corresponding identical in bar magnet polarity in the key plug 92 and the magnetic pin-and-hole 63, and rectangular slotted eye 94 is enclosed within on the ear 87 of handle 8 both sides projectioies, and magnetic key 9 and handle 8 are combined into one, and are convenient to Open valve.

When needs are opened valve, two rectangular slotted eyes 94 are inserted on the projection 87 of handle 8, and two key bar magnets 93 of magnetic key 9 insert in the handle spacing hole 81, and magnetic key 9 cooperates with handle 8, magnetic pin 11 breaks away from spacing hole 81, rotates magnetic key 9 drive handles 8 and opens valve.Rectangular slotted eye 94 is connected as a single entity magnetic key 9 and handle 8, and easy-to-operat guarantees the magnetic action power of magnet and valve body internal magnet in the magnetic key simultaneously.

When the location piece 73 on the conversion plectrum 7 was converted to locating slot 65 places, conversion plectrum 7 blocked two magnetic pin-and-holes 63 on the valve body 6, and two magnetic pins 11 were lost efficacy, and this moment is rotatory handling 8 arbitrarily, and regulating valve opens and closes, and valve body can be used as common valve and uses.

When user's malicious owing fee, need close and Locked valve, the location piece 73 of conversion plectrum 7 is allocated to locating slot 64 places, and shown in Fig. 2 a and 2b, two positioning holes 72 on the conversion plectrum 7 are coaxial with two magnetic pin-and-holes 63, magnetic pin 11 exposes, need not to use special magnetic key 9, as long as clockwise (or counterclockwise) rotatory handling 8, the locating stud 13 that is fastened on the handle 8 also rotates thereupon, when locating stud 13 was run on valve body 6 end faces arc groove one end, handle 8 can't rotate again.At this moment, the magnetic pin-and-hole 63 on the valve body 6 aligns with spacing hole 81 on the handle 8, and magnetic pin 11 springs in the spacing hole 81 under the power of doing of spring 12 elastic force, plays the locking effect, can't open valve again.

When needs are opened the valve of locking, magnetic key 9 is enclosed within on the handle 8, the rectangular slotted eye 94 of key is enclosed within on the ear 87 of projection of handle 8, key bar magnet 93 inserts in the bar magnet hole 82 of handle 8, homopolar-repulsion principle according to magnet, bar magnet 93 produces the power of repelling each other with magnetic pin 11, overcoming spring force moves downward, make magnetic patch 11 break away from spacing hole 81, rotate magnetic key 9 and drive handle 8, valve rod 5 rotates thereupon, and drives 3 rotations of ball valve core, thereby open valve, stir conversion plectrum 7 this moment, make location piece 73 be converted to locating slot 64 places, conversion plectrum 7 blocks two magnetic pin-and-holes 63 on the valve body 6 again, this moment, valve can be done common valve body use again, shown in Fig. 1 a and 1b.

Claims

1. dual function valve, comprise valve pocket, be located at the ball valve core in the valve pocket, be located at the valve rod on the ball valve core, be located at the valve body of valve rod periphery, connect the handle of valve rod, and the magnetic key that flexibly connects with handle, it is characterized in that: establish step hole in the middle of the valve body end face, a side of valve body end face is established arc groove, and valve body end face opposite side is established the locating slot perpendicular with end face; One covers the rotation plectrum on the valve body end face, rotate the plectrum outer rim and establish a location piece corresponding with the locating slot of valve body end face, the intermediate hole both sides of rotating plectrum establish with the valve body end face on the positioning hole of magnetic pin-and-hole rotational alignment, the spacing hole of aiming at the magnetic pin-and-hole on the valve body end face is established in the intermediate hole both sides, lower end surface of handle.

2. a kind of dual function valve according to claim 1 is characterized in that establishing in the described step hole (66) spacer (10) of isolating conversion plectrum (7) and valve rod (5).

3. a kind of dual function valve according to claim 1 is characterized in that establishing two locating slots that parallel (64,65) in described valve body (6) the end face one side cylndrical surface.

4. a kind of dual function valve according to claim 1, the spacing hole (81) that it is characterized in that described handle (8) lower end surface and the bar magnet hole (82) of handle upper-end surface are concentric correspondingly not to communicate.

5. a kind of dual function valve according to claim 1 is characterized in that described valve body (6) the end face outside is for accounting for the arc step (61) of circular arc long 1/3～1/4.

6. a kind of dual function valve according to claim 1, the arc step (61) that an annulus and described valve body end face are established in the outside, lower end surface that it is characterized in that described handle (8) is combined into arc groove.