CN2795583Y

CN2795583Y - Temperature detecting ball valve with lock

Info

Publication number: CN2795583Y
Application number: CN 200420110717
Authority: CN
Inventors: 章仉香; 陈志清
Original assignee: NINGBO ZHIQING INDUSTRIAL Co Ltd
Current assignee: NINGBO ZHIQING INDUSTRIAL Co Ltd
Priority date: 2004-11-25
Filing date: 2004-11-25
Publication date: 2006-07-12
Anticipated expiration: 2014-11-25

Abstract

The utility model discloses a temperature detecting ball valve with locks, which comprises a valve body, a valve cover, a sphere valve core and a valve rod, wherein the valve cover is screwed with one side of the opening of the valve body, one end of the valve rod is connected with a groove of the upper end of the sphere valve core, and the other end extends out of the position of the opening of the upper part of the valve body; sealing elements are arranged respectively on the valve body and the sealing position of movable contact of the valve rod and the valve core; the bottom of the valve body is provided with a flange and a hole, and an inner hole on the end part is processed with inner screw threads which are connected with a temperature probe. The utility model is characterized in that the extending end of the valve rod of the upper part of the valve body is provided with a mechanical lock device, wherein an inner hole of the lower end of a lock body of the lock is matched tightly with the upper end of the valve body and fixed by rivets; the lower end of a lock core of the lock is fixedly matched and connected with the upper end of the valve rod through a square axle hole; the structure causes the lock to be fixedly connected with the valve body to form an integrated structure; a key of the lock is inserted into a lock hole to unlock and rotate the lock core, which drives the rotation of the connecting valve rod to realize the control of the opening and the closing of a valve. The top surface of the lock body of the lock is provided with a lock cover which can cover the lock core to prevent dirty things falling in the lock hole.

Description

A kind of Temp. measuring ball valve with lock

Technical field

The utility model relates to a kind of Temp. measuring ball valve, relates in particular to a kind of Temp. measuring ball valve with lock.

Background technique

At present, Temp. measuring ball valve is with " hot-cold measurer " supporting use, be widely used in the pipeline of user's heat supply water, heat supply gas, be the product of my company's development as China Patent No. 99242809.2 disclosed a kind of " Temp. measuring ball valves " that temperature probe is installed.Temp. measuring ball valve usually in use, in order to prevent artificial destruction temperature probe or cheating, the general working state that adopts the mode that adds lead sealing to come limiter valve to open or close is because lead sealing is because of its structure and to execute the envelope sign simple, also duplicate easily, so anti-counterfeiting performance is poor.Unit for hot-water supply, hot gas, in order to charge conveniently, one side need realize charging to the user with the ball valve of band temperature measuring equipment, another side needs to limit its use again to the user of arrearage, because there are the problems referred to above in existing Temp. measuring ball valve, that has just proposed to have a kind of more reliable Temp. measuring ball valve to satisfy the requirement of using.

The model utility content

Technical problem to be solved in the utility model is exactly the deficiency that exists at prior art, on the valve body of existing Temp. measuring ball valve, a mechanical lock device is set and provide a kind of, and the lock core of lock is connected with valve rod, rotation by the open and close lock core, the rotation of drive valve rod, realize the Temp. measuring ball valve a kind of with lock of the opening and closing of valve, in use, can prevent artificial switching valve reliably.

The technical scheme in the invention for solving the above technical problem is: a kind of Temp. measuring ball valve with lock, include valve body, valve gap, the spheroid spool, valve rod, spheroid spool middle and vertical medial axis bottom opening is housed in the described valve body, be provided with sealing seat is located in respectively in the valve gap that valve body and valve body be spirally connected at its two ends, the protrusion end of valve rod is connected with spheroid spool upper end groove, two ○Xing Mifengquans are housed between valve rod and the valve body, the valve body bottom is provided with flange and perforate, its end endoporus is processed with internal thread, it is characterized in that: described valve body top valve rod external part cylindrical opening, be provided with a mechanical lock device, the lock body lower end endoporus of lock and valve body top cylindrical close-fitting merge to be fixed by rivet, lock core lower end and the valve rod upper end of lock is connected by square shaft hole secure fit, makes to lock and the valve body structure that is connected to one.

Described lock core cylindrical one side is provided with the positioning groove that 1/1st girth two is 90 ° of angles along the surface, the locating stud of fixedlying connected with lock body embeds groove with the lock core positioning and fixing.

Described lock body and cylinder side are equipped with a pair of pellet shot from a slingshot respectively to being provided with corresponding two row's pellet shot from a slingshot holes in the pellet shot from a slingshot hole, by the pellet shot from a slingshot afterbody in lock body one side opening spring is housed, and the one end seals the chock plug location by the pellet shot from a slingshot hole.

Described lock body end face is provided with locking closure, is fixed by screw and lock body, and locking closure is provided with positioning hole, and the lock body top side location corresponding with it is provided with an activity orientation post, and a little spring is equipped with in the fixed installation hole in the locating column bottom.

The end face of described lock core indicates-indicates gutta.

The end face of described lock body is marked with that indication " is opened " and the printed words of " pass ".

Compared with prior art, advantage of the present utility model is: owing to be provided with mechanical lock device on Temp. measuring ball valve, can come the unlatching of control valve with closed condition or close by opening of control lock, what overcome that tradition adds that the lead sealing mode comes limiter valve arbitrarily opens or closes existing transreplication, and antifalsification is poor, the shortcoming of poor reliability.Simultaneously, mechanical lock device and Temp. measuring ball valve are designed to integrative-structure, and tool is easy to install, simple to operate, high reliability features, can satisfy the requirement of applying unit.

Description of drawings

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Fig. 1 is the utility model embodiment's a structural representation.

Fig. 2 installs and uses schematic representation for the utility model in system.

Fig. 3 is Fig. 1 locking closure open mode top view.

Fig. 4 is that Fig. 3 B-B is to partial sectional view.

Fig. 5 is that Fig. 4 C-C is to sectional drawing.

Fig. 6 is that the D-D of Fig. 4 is to sectional drawing.

Fig. 7 is that the E-E of Fig. 3 is to partial sectional view.

Fig. 8 is the view of Fig. 4 when lock key inserts lock core.

Embodiment

Embodiment as depicted in figs. 1 and 2, with the resistance minimum, the flux maximum, switch ball valve rapidly is a main body: make spool 4 with the spheroid of vertical medial axis perforate in the middle of adopting, the spheroid two ends are provided with sealing seat 2, cooperate with spheroid to form sealing pair, and two sealing seats 2 are located in respectively in valve body 3 and the valve gap 1, valve gap 1 is threaded with valve body 3 usefulness, and bonding with sealer; The protrusion end of valve rod 9 be connected spheroid spool 4 perpendicular in the groove of its endoporus with transmitting torque; Realize sealing by two ○Xing Mifengquans 10 that are placed in one between valve rod 9 and the valve body 3; Be provided with flange and perforate in valve body 3 bottoms, its end endoporus is processed into the screw thread that is connected with temperature probe 7, when in system, using, temperature probe 7 stretches into valve body, its end enters in the spheroid valve core channel fluid, its connection part and valve body flange screw thread are tightened, and realize sealing by the ○Xing Mifengquan 6 that is placed in one; Be provided with gusset 8 and have aperture at valve body 3 flange roots, be convenient to the usefulness that temperature probe installs back and valve body lead sealing; When valve dispatched from the factory accumulating, valve body 3 flange holes were blocked with plug screw 5.The above-mentioned prior art that is.

Main points of the present utility model are: be provided with a mechanical lock device at above-mentioned valve body 3 top valve rods 9 external part cylindrical openings, the lock body 11 lower end endoporus of lock and valve body 3 top cylindrical drive fits are fixing by rivet 19, as shown in Figure 4, be provided with lock core 12 in the axle core through hole of lock body 11, lock core 12 lower ends are connected with valve rod 9 upper end secure fit by the square hole that the center is provided with, make lock and the valve body structure that is connected to one, as Fig. 4, shown in Figure 6; Lock core 12 cylindricals one side is provided with the positioning groove 24 that 1/1st girth two is 90 ° of angles along the surface, and embed in the grooves 24 its positioning and fixing movingly by the fixedly connected locating studs 20 of lock body 11, as shown in Figure 5, restriction lock core 12 is made axle with respect to lock body 11 and is vertically moved, can make lock core 12 do the circumferential 90 ° rotation of axle, to realize " open and close " position-limiting action with respect to lock body 11; Lock body 11 and lock core 12 be laterally disposed corresponding two row's pellet shot from a slingshot holes, and a pair of pellet shot from a slingshot 23 is housed respectively in the pellet shot from a slingshot hole, by the pellet shot from a slingshot afterbody in lock body 11 1 side openings spring 22 is housed, and spring 22 1 ends seal chock plug 21 location by the pellet shot from a slingshot hole, as shown in Figure 4; Be provided with locking closure 13 at lock body 11 end faces, fix by screw 17 and lock body, locking closure is provided with positioning hole 16, when locking closure is in closed state, be provided with an activity orientation post 14 with lock body 11 end faces of positioning hole 16 corresponding positions, play the role of positioning during to locking closure 13 closures, a little spring 25 is equipped with in the fixed installation hole in locating column 14 bottoms, as Fig. 3, shown in Figure 7, be convenient to the open and close of locking closure.

As shown in Figure 3, indicating valve at the end face of lock core 12 opens, off status indication gutta 18, lock body 11 end faces are marked with the printed words that indication " is opened; close ", in the use, as Fig. 2, shown in Figure 8, key 15 is inserted the cross lockhole at lock core center, the pellet shot from a slingshot 23 that is arranged in lock body 11 and the pellet shot from a slingshot hole of lock core 12 sides according to the height of key by jack-up, the interface of two pellets shot from a slingshot with lock body 11 and lock core 12 axially movingly the hole flush, screw key 15 can make lock core 12 rotate, thereby drive

valve rod

9 and 4 rotations of spheroid spool, realize " opening; close " of control valve, " open " the printed words valve when indication color dot 18 correspondences and be opened, corresponding " pass " printed words valve is closed, take away behind the key, locking closure 13 is closed up to cover lock core, can prevent that foreign material fall into lockhole lockhole is blocked.

Claims

1. Temp. measuring ball valve with lock, include valve body (3), valve gap (1), spheroid spool (4), valve rod (9), spheroid spool (4) middle and vertical medial axis bottom opening is housed in the described valve body, be provided with sealing seat (2) is located in respectively in the valve gap (1) that valve body (3) and valve body (3) be spirally connected at its two ends, the protrusion end of valve rod (9) is connected with spheroid spool (4) upper end groove, between valve rod (9) and the valve body (3) two O-ring seals (10) are housed, valve body (3) bottom is provided with flange and perforate, its end endoporus is processed with internal thread, it is characterized in that: described valve body (3) top valve rod (9) external part cylindrical opening, be provided with a mechanical lock device, lock body (11) the lower end endoporus of lock and valve body (3) top cylindrical close-fitting merge by rivet (19) fixing, lock core (12) lower end and valve rod (9) upper end of lock is connected by square shaft hole secure fit, makes to lock and the valve body structure that is connected to one.

2. a kind of Temp. measuring ball valve with lock according to claim 1, it is characterized in that described lock core (12) cylindrical one side is provided with the positioning groove (24) that 1/1st girth two is 90 ° of angles along the surface, the locating stud (20) of fixedlying connected with lock body (11) embeds groove (24) with lock core (12) positioning and fixing.

3. a kind of Temp. measuring ball valve with lock according to claim 1, it is characterized in that described lock body (11) and lock core (12) are laterally disposed has corresponding two row pellet shot from a slingshot holes, a pair of pellet shot from a slingshot (23) is housed respectively in the pellet shot from a slingshot hole, by the pellet shot from a slingshot afterbody in lock body (11) one side openings spring (22) is housed, the one end seals chock plug (21) location by the pellet shot from a slingshot hole.

4. a kind of Temp. measuring ball valve with lock according to claim 1, it is characterized in that described lock body (11) end face is provided with locking closure (13), fix by screw (17) and lock body, locking closure is provided with positioning hole (16), the lock body corresponding with it (11) top side location is provided with an activity orientation post (14), and a little spring (25) is equipped with in the fixed installation hole in locating column (14) bottom.

5. a kind of Temp. measuring ball valve with lock according to claim 1 is characterized in that the end face of described lock core (12) indicates an indication gutta (18).

6. a kind of Temp. measuring ball valve with lock according to claim 1, the end face that it is characterized in that described lock body (11) are marked with that indication " is opened " and the printed words of " pass ".