CN2202232Y

CN2202232Y - Valve with lock

Info

Publication number: CN2202232Y
Application number: CN 94207458
Authority: CN
Inventors: 马志奇
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-05-30
Filing date: 1994-05-30
Publication date: 1995-06-28
Anticipated expiration: 2004-05-30

Abstract

The utility model relates to a valve with a lock, which is characterized in that a lock body device is fixed in a lock body cavity on a valve body. A pin shaft of the lower part of the lock body device is positioned in a pin shaft hole of a valve core or slides in a pin shaft groove, and the lock core can be locked in the way that the mutual corresponding positions of an inlet and an outlet on the valve body and the valve core are selected well; thus, the valve is controlled to conduct or not. The utility model which has the advantages of simple structure and good anti-damage performance can replace a three-way valve to be installed and can also be installed for an individual consumer.

Description

Valve with lock

The utility model relates to a kind of pipeline valve, particularly a kind of pipeline valve that can the locking spool device with lock.

At present, various pipeline valves itself such as general gas, liquid are the device of its switch of latch-up-free all, just under special working environment, just add locking device separately in the outside of pipeline valve, its lock controller and valving are the two-part that are separated from each other, destroyed lock controller, got final product random switch valve, made administrative staff be difficult to the controlling plumbing fixtures valve.Such as when giving each user's heating and supplying water, non-payment heating of individual user or fees for water supplied usefulness, administrative staff just can't be to the left alone without help warm or left alone without help water of individual user, can only large size is left alone without help warms up or left alone without help water, and this has influenced other again and has paid the user of heating or fees for water supplied on time.And on each user's heating or water supply line, add valve (being general tap), again can not be really the user of non-payment hot-water heating expense be played control action.

The purpose of this utility model provides a kind of pipeline valve with lock, to overcome the deficiencies in the prior art, make pipeline valve and valve switch control lock organically combine, and it be installed on each user's the pipeline whether only open conducting that lock could adjust valve export.

The purpose of this utility model is achieved in that

The utility model mainly is made up of valve body, spool, lock device, handwheel etc., and valve body is provided with import, outlet, correspondingly also is provided with import, outlet on spool, is provided with pin shaft hole and the bearing pin groove that matches with lock device in the bottom of spool.Lock device is fixed in the lock body chamber on the valve body, make the bearing pin of lock device propose pin shaft hole and in the bearing pin groove, slide with key unlocking, spool can by rotate that handwheel rotates in valve body and selected spool on outlet and the mutual corresponding position of the outlet on the valve body, locking promptly reaches the control valve switching purposes then.

Below in conjunction with accompanying drawing the utility model is described:

Fig. 1 a is the utility model general structure schematic representation.

Fig. 1 b is the utility model A-A ' sectional drawing.

Fig. 2 is the utility model spool sectional arrangement drawing.

Fig. 3 is the B-B ' sectional drawing of the utility model spool.

Fig. 4 is the utility model lock device structural representation.

As shown in Figure 1, the utility model mainly is made up of valve body (3), spool (6), lock device etc. Be provided with import (I), outlet (II), outlet (III) and lock body chamber (13) at valve body (3), valve body (3) inboard is fixed with copper sheathing (4), and be that the spool (6) of copper sheathing (4) and the platform taper of taper is tight fit by madial wall, can make spool (6) Free in copper sheathing (4), the import (I) of valve body (3) is located to be provided with pipe joint (1) and sealing ring (2) and is solidly connected with thread forms and valve body; Be provided with valve body at spool (6) and import and export corresponding import (I '), outlet (II '), outlet (III ') and the outlet not corresponding with valve outlet (IV '), pin groove (7), pin shaft hole (8) and poppet shaft (16) are ［ such as accompanying drawing 2, shown in 3 ］, spool (6) general shape is the platform taper, it is thicker that sidewall is located in import (I '), outlet (II ', III ', IV ') the lower end sidewall is thin and be tight fit with copper sheathing (4), the O RunddichtringO (5) that is connected with copper sheathing (4) lower end is tight fit, the unlikely gas-liquid seepage that flows through valve is located to valve body lower end and lock body chamber (13), pin groove (7) is half garden concave groove around spool (6), in pin groove (7), export with spool (6) (II ', III ', IV ') axial location relation is respectively arranged with three pin shaft holes (8) accordingly, so that the bearing pin of lock device (15) namely can slide in pin groove (7), can insert again in any one pin shaft hole (8), be provided with screw thread on the poppet shaft (16) and can from the circular hole of valve body (3) bottom, stretch out valve body (3) outside also by packing ring (9), spring washer (10) and nut (11) are tight fit work with valve body (3) and are connected, poppet shaft (16) end points place is set to square or triangle, is the interference tight fit with handwheel (12); Lock body of the present utility model chamber (13) arranges in vertical state with import and export (I, II, III) and handwheel (12) plane of valve body (3), after installing copper sheathing (4) and spool (6), gets final product Lock device is put into lock body chamber (3), making bearing pin (15) also be unlikely disengaging pin groove (7) at unlocking condition is fixed in lock body overcoat (17) on the valve body (3) by being the friction tight gland of interference (14) with lock body chamber (13), as shown in Figure 4, lock device mainly is made up of lock body overcoat (17), lock body inner sleeve (18), lock core (19), keyhole (20), cotter way (21), pin (22), fork (23), plate washer (24), spring (25), bearing pin (15), spring (26), plate washer groove (27). When unblanking, key is inserted in the keyhole (20) on the lock core (19), rotate key, the fork (23) that makes lock core (19) and be connected rotates simultaneously, have on the fork (23) and the half garden projection of lock core (19) on a center line, this projection is over against the upper groove that arranges of plate washer (24), like this, just stirring so that mobile in the plate washer groove (27) of plate washer (24) on lock body overcoat (17) of fork (23), plate washer (24) is thrown off with lock body overcoat (17), under the elastic force effect of spring (26), lock body inner sleeve (18), lock core (19), the interior bearing pin (15) of insertion pin shaft hole (8) that is connected together with lock body inner sleeve (18) lower end upwards moves in lock body overcoat (17), the movement of pin (22) in the cotter way (21) that lock body overcoat (17) arranges that is arranged on the lock body inner sleeve (18) can make lock body inner sleeve (18), lock core (19) and bearing pin (15) are in a certain direction mobile in lock body overcoat (17), and certain displacement is arranged, and make bearing pin (15) not break away from pin groove (7). When shutting, to pressing down lock body inner sleeve (18), lock core (19), then bearing pin (15) moves down together and inserts in the pin shaft hole (8), when plate washer (24) with after plate washer groove (27) on the lock body overcoat (17) aligns, plate washer (24) automatically resets under the elastic force effect of spring (25) and enters plate washer groove (27), and lock body inner sleeve (18), lock core (19) just can not move in lock body overcoat (17) together with bearing pin (15).

The utility model is described in further detail below in conjunction with the course of work:

After the utility model is unblanked, bearing pin (15) breaks away from pin shaft hole (8), rotate handwheel (12) this moment, spool (6) and then rotates together, bearing pin (15) front end slides in pin groove (7), behind the elected mutual correspondence position of reserving valve outlet (II, III) and spool outlet (II ', III ', IV '), bearing pin (a 15) and corresponding bearing pin is arranged then Aliging with it in hole (8), depresses lock core (19) then bearing pin (15) the insertion pin shaft hole (8) corresponding with it, i.e. Locked valve. All need connect such as the outlet (II) of valve body (3) and outlet (III), then that spool outlet (II ') and outlet (III ') is corresponding with it, spool exports (IV ') and places not on-state to get final product (such as accompanying drawing 1-a); One of them need be connected such as valve outlet (II, III), and another outlet need be closed, and then the valve outlet that needs to connect is aimed in spool outlet (IV ') and is got final product.

Embodiment:

Can be arranged to the structure construction chatted as preceding when 1, the utility model is implemented, such valve with lock can be controlled two outlets (i.e. two users).

2, the utility model can also be provided with an outlet for the needs that are suitable for a user on valve body, or another outlet blocked with plug screw, when an outlet is set on the valve body (3), an outlet correspondingly also is set on spool (6), two pin shaft holes (8) is set in bearing pin groove (7) gets final product.

3, the utility model also can be as described in the embodiment 1 for the needs that adapt to a user, and pipe joint (1) is replaced with plug screw, the arbitrary outlet on the valve body (3) (II or III), and as import, another outlet (III or II) gets final product as outlet.

Good effect of the present utility model and the scope of application:

1. the utility model integrates valve and locking device, whether can control user's pipeline conducting; 2. lock device of the present utility model is permanent interference tight fit with gland and valve body, and not opening lock with key just can not rotating valve, is conducive to the control and management of staff collective; 3. the utility model can directly substitute the threeway in the pipeline, namely plays the effect of threeway, can play again the effect of valve and lock. 4. after the utility model spool and lock device installed, the bearing pin of lock device bottom (15) inserted in the pin shaft hole (8) or in pin groove (7) and slides, and spool can not be unloaded; 5. the utility model stretches out the nut on the outer poppet shaft of valve body, can make valve body and spool be fixing living and be connected, and can in use adjust the tight fit of copper sheathing in spool and the valve body, unlikely gas leakage or liquid.

Claims

1, a kind of valve with lock, mainly form by pipe joint (1), valve body (3), spool (6), lock device and handwheel (12) etc., it is characterized in that: place the lock device in the lock body chamber (13) itself and valve body (3) to be fixed as one, and the bearing pin of lock device bottom (15) is in the interior or slip in bearing pin groove (7) of pin shaft hole (8) on the spool (6) by being the friction tight gland of interference (14) with lock body chamber (13).

2, valve with lock according to claim 1, it is characterized in that: valve body (3) inwall is fixed with copper sheathing (4), copper sheathing (4) inwall is that tapered and tapered with the platform spool of platform (6) is and closely cooperates, valve body (3) is provided with import (I), outlet (II, III) and lock body chamber (13), lock body chamber (13) and valve body import (I), outlet (II, III) plane of Zu Chenging is provided with in vertical state, is provided with import (I ') accordingly with valve body (3) respectively on spool (6) top and the tapered sidewall of platform, outlet (II '), outlet (III ') and with the not corresponding outlet of valve body (3) outlet (IV ').

3, valve with lock according to claim 1, it is characterized in that: export the corresponding several pin shaft holes (8) that are provided with spool (6) in the bearing pin groove (7) of the tapered spool of platform (6) lower end, it is outer and be fixing work with packing ring (9), spring washer (10) and nut (11) and valve body (3) and be connected that the poppet shaft (16) of spool (6) lower end can be stretched out valve body (3), and poppet shaft (16) end is a triangle or square and be the interference drive fit with handwheel (12).

4, valve with lock according to claim 1, it is characterized in that: lock body overcoat (17) is solidly connected with lock body chamber (13), cover (18) is together with lock core (19) and related pin (22) thereof in the lock body, fork (23), bearing pin (15), plate washer (24) can be slided up and down by spring (26) and artificial pushing effect in lock body overcoat (17), it slides by the sliding guidance of pin (22) in cotter way (21), when fork (23) rotates at lock core (19), can make to be the live plate washer (24) is connected of convex-concave shape with it and to revolt plate washer groove (27) on the external cover of elastic force release lock (17) of spring (25).