CN2263252Y - Valve with lock - Google Patents

Abstract

The utility model relates to valve with a lock, belonging to the improved design of a valve used for a pipeline of a heating system of a building. The valve with a lock comprises a valve wrench and a valve assembly composed of a valve body, a valve core, and a valve rod. The valve with a lock is characterized in that a stuffing box of the valve body is provided with a cylindrical neck and a stuffing box forms a segmental shape; the stuffing box of the valve body is provided with a locking hole; the head part of the valve wrench is in sequence provided with a square hole, an inner cavity in which the stuffing box of the valve body can be contained, and flange structures which are in symmetric arrangement in the direction of the thickness; a lock core is embedded in a rod part of the valve wrench and a lock bolt which is controlled by the lock core, is arranged in the valve wrench in an elastic supporting way, and can carry out the displacement.

Description

The valve of tool with lock

The valve of the tool with lock that the utility model relates to belongs to the improvement design of used valve in the building heating system pipeline.

The northern China warming is the major issue that responsibility arrives huge numbers of families, and heating charge is to allow the nerve-racking thing of heat supply department of government.Though it is necessarily that heating is spent in market economy country, but small part user because of various reasons can not periodic payment or is not simply handed over heat cost, and make heat supply department incur loss through delay the heat supply phase or influence heating quality because of there not being enough heat costs, produce for the user of most of periodic payment heat supply expense, live and brought very big influence.Survive the winter in order to ensure that most users can normally warm oneself, some local heat supply departments have implemented the policy of the not heat supply of not paying the fees, take destructive way of removing radiator or heat supplying pipeline to the user that do not pay dues, such operation measure, promptly waste human, financial, and material resources power, influence resident's normal life, intensify the contradictions, the user hands in heat supply expense back retroactively, and to recover heat supply also pretty troublesome, so be impracticable at all with the do not pay the fees policy of not heat supply of the way enforcement of dismounting equipment.

The utility model purpose is to provide a kind of valve of tool with lock, it is installed in the heating pipeline, promptly need not destroy the indoor original-pack heat supply pipeline facility of user, can control effectively again that the sole user does not pay dues and the problem of warming oneself, with can be quickly and easily to a certain user's conversion heating, by two kinds of states of heating, to quicken carrying out and implementing of the policy of warming oneself with compensation.

The technological scheme that adopts that achieves the above object is: the valve of this tool with lock comprises by valve body.Valve assembly and valve spanner that spool, valve rod are formed, it is characterized in that: the stuffing box of this valve body has cylindric neck and the circle external diameter is the stuffing box two part bodies that circle lacks shape greater than cylindric neck and profile, is manufactured with the lockhole structure that shaft axis is provided with perpendicular to the stuffing box shaft axis at stuffing box circle external diameter position; This valve spanner head has square hole successively, can contain the inner chamber of valve body stuffing box on thickness direction, and symmetrically arranged flange configuration, size is greater than stuffing box circle the shortest scarce size, less than stuffing box circle outside dimension between two flanges, valve spanner bar portion is embedded with the lock core that axis parallel is provided with in the stuffing box shaft axis, and be controlled by lock core and yielding support in valve spanner bar, can be along the dead bolt of lockhole direction of axis line displacement on the valve body stuffing box.

Fig. 1 is the organigram of closed condition for the valve of this tool with lock.

Fig. 2 is the plan view of Fig. 1.

Fig. 3 is the organigram of opening state for the valve of this tool with lock.

Fig. 4 is the plan view of Fig. 3.

Fig. 5 is the organigram of valve body among Fig. 1 or Fig. 3.

Fig. 6 is the plan view of Fig. 5.

Fig. 7 is a valve spanner organigram among Fig. 1 or Fig. 3.

Fig. 8 is the worm's eye view of Fig. 7.

The embodiment who provides in conjunction with the accompanying drawings further describes down.Referring to Fig. 1, Fig. 2, the valve of the tool with lock in the present embodiment mainly includes valve body (1), valve rod (2), and valve spanner (3), lock core (4), dead bolt (5), spring (6), cotter pin several component compositions such as (7) form.Wherein by valve body (1), valve rod (2), and the valve assembly that the spool of not drawing among the figure is formed is commercially available ball valve assembly, and its structure of this valve assembly, assembly relation function etc. all belongs to the known technology category, so do not state superfluous.And of the present utility model being characterised in that improved design on the ball valve assembly basis of known technology, and makes valve assembly essential structure and base dimension meet the production standard of national ball valve.Improving purpose of design is to make conventional ball valve have the lockset function, improves content and comprises valve body (1) and (3) two parts of valve spanner.The improvement of valve body (1) includes: referring to Fig. 5, Fig. 6, stuffing box (8) position on this valve body (1) has cylindric neck (9) structure, this body profile of stuffing box (8) is circle and lacks shape, circle lacks shape stuffing box (8) circle outside dimension greater than cylindric neck (9) diameter dimension, be manufactured with lockhole (10) structure that shaft axis is provided with perpendicular to stuffing box (8) shaft axis at the round external diameter position of stuffing box (8), lockhole (10) is a blind hole, so-called circle lacks the shape stuffing box and promptly mills the plane that is processed with two symmetries on the cylndrical surface of the valve body stuffing box in prior art, and last two plane symmetry of stuffing box in this example (8) are provided with in lockhole (10).Referring to Fig. 1, Fig. 7, Fig. 8, improvement to valve spanner (3) includes the thickness size of comparing increase valve spanner with the valve spanner of known technology, remove on the thickness direction of head position at valve spanner (3), except the square hole (11) that the square column termination that has with valve rod (2) is used, also has inner chamber (12) structure that can contain valve body stuffing box (8), the inner chamber (12) of valve spanner (3) following also has two flanges (13) structure, size lacks the shortest size in place greater than valve body stuffing box (8) circle between two flanges (13), less than the round outside dimension of valve body stuffing box (8) so that make valve spanner (3) fall into the root of valve body stuffing box (8) during installation.Be embedded with the lock core (4) that axis parallel is provided with in stuffing box (8) shaft axis in valve spanner (3) bar portion, the lock core product that lock core (4) can adopt commercially available spring type to open with key or lock, because of its structure, function all are the known technology category, so needn't launch (or the concrete structure that draws) explanation.Lock core (4) termination embeds can be along in the groove of the dead bolt (5) of lockhole (10) direction of axis line displacement on the valve body stuffing box, and dead bolt (5) one ends are by spring (6) yielding support, and other termination can embed in the lockhole (10).

Use the valve of this tool with lock, when the user does not in time pay heat supply expense needs blocking-up house lead in heat supply pipeline, then the staff of heat supply department can place valve spanner (3) with valve body (1) and become (as shown in Figure 1) on the vertical position, this moment, this valve was closed condition, use key rotation lock core (4) that dead bolt (5) is embedded in the lockhole (10) of valve body stuffing box again, extract key out, because of making lock core (4) be maintained fixed the position, the function of lockset no longer rotates, valve spanner (3) then is fixed with one with valve body (1) and is lockable, valve spanner this moment (3) is restricted by three places, and the one, square hole (11) on the valve spanner (3) and the restriction of valve rod (2) termination; The 2nd, restriction between dead bolt (5) and the lockhole (10); The 3rd, the restriction between the two symmetrically arranged flanges (13) of valve spanner (3) and the round external diameter of valve body stuffing box (8), above-mentioned three kinds of restrictions make that valve spanner (3) is upper and lower relative to valve body (1), circumference all can not move or rotate, because being higher than the valve rod termination, the boss that valve spanner (3) upper aperture (11) is located make the user not clamp rotation valve rod (2) again with removing, the user key of not unblanking again itself is so can reach the purpose (referring to Fig. 1, Fig. 2) that the control user opens valve voluntarily with the valve of tool with lock like this.

If in the time of need opening valve implementation heat supply, then need the heat supply staff to open lock core (4) with key, make it to rotate, drive dead bolt (5) and withdraw from valve body stuffing box (8), remove restriction between dead bolt (5) and the lockhole (10), then rotatable valve spanner (3) drive valve rod (2) relatively valve body (1) turn to valve spanner (3) and be parallel on valve body (1) position (as shown in Figure 3, Figure 4), then valve is opened.As mentioned above, the heat supply staff can open or close valve according to the subscriber payment situation.

Behind throttle down, the relative position after maintaining valve spanner (3) is locked with valve body (1) also can utilize the hole (14) on the valve spanner (3) to fix cord (15) (as shown in Figure 2), plays firm lead sealing then, also is a kind of additional preservation measures.

By technique scheme and embodiment as seen, the utility model is that conventional ball valve has increased the lockset function, need not to dismantle devastatingly the heating pipeline facility with it, can solve paid heat supply problem, it is very quick and easy to block, open conversion heat supply pipeline working state.The improvement design of this valve has kept the agent structure of conventional valve assembly, and the lockset structure is extremely simple, and fabrication and installation are all very convenient.

Claims (2)

1, a kind of valve of tool with lock, comprise valve assembly and the valve spanner formed by valve body, spool, valve rod, it is characterized in that: the stuffing box of this valve body has cylindric neck and the circle external diameter is the stuffing box two part bodies that circle lacks shape greater than cylindric neck and profile, is manufactured with the lockhole structure that shaft axis is provided with perpendicular to the stuffing box shaft axis at stuffing box circle external diameter position; This valve spanner head has square hole successively, can contain the inner chamber of valve body stuffing box, reaches symmetrically arranged flange configuration on thickness direction, size is greater than the shortest size in the scarce place of valve body stuffing box circle, less than stuffing box circle outside dimension between two flanges, valve spanner bar portion is embedded with the lock core that the shaft axis hemistich is provided with in the stuffing box shaft axis, and be controlled by lock core and yielding support in valve spanner bar, can be along the dead bolt of lockhole direction of axis line displacement on the valve body stuffing box.

2, according to the valve of the described tool with lock of claim 1, it is characterized in that: also can be manufactured with in the bar portion of said valve spanner and be used for the hole structure that bolt is the lead sealing rope.

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