CN2830808Y

CN2830808Y - Full plastic antitheft outlet valve

Info

Publication number: CN2830808Y
Application number: CN 200520024645
Authority: CN
Inventors: 赫更民
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-08
Filing date: 2005-08-08
Publication date: 2006-10-25
Anticipated expiration: 2015-08-08

Abstract

The utility model relates to a full plastic antitheft outlet valve which comprises a water feed bolt, a water outlet and a plastic water feed bolt protective cover, wherein the water feed bolt is composed of a plastic barrel-shaped bolt body, a valve rod installed in the barrel-shaped bolt body through a bracket which uses the barrel-shaped bolt body as an outer ring stand, and a valve core which is driven by the valve rod. The inner surface of the upper opening of the barrel-shaped bolt body is in a cone shape, a valve disc can be axially positioned and can radially rotate on the valve rod, and An O-shaped sealing ring which is sealed with the valve rod is embedded in a groove which is arranged on the core hole wall where the valve rod is inserted into the valve disc. When the utility model is used, the water outer and the water feed bolt are combined. When the utility model is not used, the water outlet is picked off, and the matched water feed bolt protective cover is used for replacement to protect the water bolt. The utility model has the advantages of simple structure, portability and low cost. The axial and radial both-way sealing can be formed between the valve core of the water feed bolt and the inner surface of the upper opening of the barrel-shaped bolt body when the utility model is closed, so the sealing performance is good. In the opening and closing process, the valve core does not rotate along with the valve rod, the abrasion of the sealed ring is light and the sealing ring is durable. Because of low recovery recycle value, the utility model is not easy to become the aim to be stolen or broken and has the advantage of safety.

Description

Overall plastic antitheft outlet valve

Technical field

The utility model relates to a kind of farmland under ground piping irrigating facility outlet valve, particularly a kind of overall plastic antitheft outlet valve.

Background technique

At present in the rural area, particularly northern arid, semiarid zone, in order to save farmland irrigation water, prevent and reduce the seepage loss of water, save simultaneously and plough, replace traditional ground open channel with under ground piping and the farmland is irrigated become the infrastructure of field irrigation facility direction, by vast farmers is welcome, national and local government supports.Outlet valve is the important composition parts of farmland under ground piping irrigating facility, now mostly by the cast iron manufacturing, such outlet valve: 1, owing to the particularity of field irrigation facility, frequency of utilization is low, and is inferior surplus in the of annual about 10, and the operating time is shorter, most of the time is in static, moist state, and sealing surface very easily is corroded into the pit shape, and the rubber gasket of use is also very easily aging, and because extremely inconvenience of the replacing of rubber gasket, therefore very easy cause outlet valve poorly sealed, leak; 2, sealing is leaked after bad, and the user tends to firmly pull, and very easily causes rubber gasket and other parts to damage so again, is not durable; 3, recycling is worth height, and many places very easily become the target of stolen destruction in the no supervision state at ordinary times; 4, heaviness is installed the labor intensity height, effort, time-consuming, take a lot of work.

Summary of the invention

Technical problem to be solved in the utility model is to overcome the above-mentioned existing farmland under ground piping irrigating facility deficiency with outlet valve, and provide a kind of good seal performance, durable, light, cost is low, can not be worth the high overall plastic antitheft outlet valve that become stolen destruction target because of recycling.

The technical scheme in the invention for solving the technical problem is: this good seal performance, durable, light, cost is low, can not be worth the high overall plastic antitheft outlet valve that becomes stolen destruction target because of recycling, by hydrant, plastics hydrant protecting cover three parts of water outlet and outfit are formed, described hydrant is by plastics tubular key, in the tubular key by with the tubular key be outer ring stand the support setting valve rod and drive the spool that moves by valve rod and constitute, the internal surface suitable for reading of tubular key, promptly with the tapered shape of the surface of contact of spool, the spool that is driven by valve rod then constitutes by opening zero RunddichtringO of setting in the groove of system on plastics valve disc and its outer side wall, valve disc is axially locating on valve rod, radially rotatable, open on the heart hole wall of valve disc plug-in mounting valve rod in the groove of system and be equipped with zero RunddichtringO that is used for valve stem seal; And the hydrant switch block that the operating handle that described water outlet is connected with the hydrant valve rod with passing through the frame top in advance by the plastic casing body constitutes constitutes; The hydrant protecting cover that is equipped with has identical with the water outlet frame and the combined leftover bits and pieces of hydrant.Such outlet valve during use, with water outlet and hydrant combination, makes the operating handle that passes through water outlet frame top and connect with the hydrant valve rod in advance connect with the hydrant valve rod, can do outlet valve and use; When not using, drive valve rod, hydrant is closed, pluck water outlet then, and, can give protection to hydrant for hydrant protecting cover to be equipped with by swivel lever.

Above-mentioned outlet valve is all right: the leftover bits and pieces of water outlet frame is provided with outer convex edge jaggy, the water outlet that the connecting body that has tubular key and its top to be nested with on the upper-end surface of hydrant surrounds is got a foothold and is inserted annular groove, corresponding with the breach of the outer convex edge of water outlet frame leftover bits and pieces, water outlet on the hydrant upper-end surface is got a foothold and is inserted the external annulus upper edge of annular groove, be that the connecting body inwall upper edge that tubular key top is nested with is provided with internal projection, and the water outlet on the hydrant upper-end surface get a foothold to insert the internal ring wall of annular groove, promptly opens zero RunddichtringO of setting in the groove of system with water outlet frame leftover bits and pieces inner wall sealing on the outer wall on tubular key top.Such outlet valve, during use, the water outlet leftover bits and pieces that the leftover bits and pieces of water outlet frame is injected on the hydrant upper-end surface is inserted in the annular groove, rotate the mouth of a river again, the outer convex edge that get a foothold to go up is provided with by the water outlet frame and the water outlet on the hydrant upper-end surface are got a foothold cooperating of the internal projection of inserting the setting of annular groove external annulus upper edge, can realize combining of water outlet and hydrant.Such outlet valve can change the direction of water outlet arbitrarily, and is easy to use.

Above-mentioned outlet valve: the outer side wall on hydrant top, be on the connecting body outer wall that is nested with of tubular key top lock to be set, head is set in the lock hole of lock passes through connecting body and can put in water outlet on the hydrant upper-end surface and get a foothold to insert sunk screw in the annular groove, the sunk screw spanner of this sunk screw and outfit constitutes the hydrant protecting cover and locks.Such outlet valve, after hydrant adds protecting cover, use the sunk screw spanner that is equipped with, lock is locked water outlet on the sunk screw head precession hydrant upper-end surface in the hole gets a foothold and inserts in the annular groove, the jaggy outer convex edge that the resistance hydrant protecting cover of stumbling is got a foothold and is provided with, the hydrant protecting cover can not be rotated, can not align with the internal projection that is provided with on the insertion annular groove external annulus upper edge of getting a foothold of the water outlet on the hydrant upper-end surface by the get a foothold breach of outer convex edge of hydrant protecting cover, can be with hydrant protecting cover and hydrant locking, assurance can not arbitrarily just can be extractd the hydrant protecting cover.

Above-mentioned outlet valve: also can be coated with chromium plating or aluminium protective layer on its exposed face, expose the ageing resistance of part, prolong the working life of outlet valve with reinforced plastic.

This overall plastic antitheft outlet valve provided by the utility model, simple in structure, light, cost is low, owing between hydrant spool and tubular key internal surface suitable for reading, can form when closing axially and two way sealed radially, thereby good seal performance; And in the process of closing and opening, because spool does not rotate with valve rod, ring wear is light, and is durable; Also, be difficult for becoming the target of stolen destruction, safety because of recycling value is low.

Description of drawings

Structural representation when the water outlet of the overall plastic antitheft outlet valve that Fig. 1 is provided for the utility model embodiment and hydrant combination.

The plan view of the connecting body that the hydrant tubular key top of the overall plastic antitheft outlet valve that Fig. 2 is provided for the utility model embodiment is nested with.

The plan view of the water outlet frame of the overall plastic antitheft outlet valve that Fig. 3 is provided for the utility model embodiment.

Structural representation when the hydrant of the overall plastic antitheft outlet valve that Fig. 4 is provided for the utility model embodiment adds protecting cover.

The plan view of the hydrant protecting cover of the overall plastic antitheft outlet valve that Fig. 5 is provided for the utility model embodiment.

Embodiment

With reference to accompanying drawing, this good seal performance that the utility model embodiment is provided, durable, light, cost is low, can not be worth the high overall plastic antitheft outlet valve that becomes stolen destruction target because of recycling, be coated with the chromium protective layer on its exposed face, by hydrant 1, water outlet 2 and ABS engineering plastics system hydrant protecting cover 3 three parts that are equipped with are formed, described hydrant 1 is by ABS engineering plastics system tubular key 11, in the tubular key 11 by being the valve rod 13 that is provided with of the support 12 of outer ring stand with the tubular key and driving the spool that moves by valve rod 13 and constitute, the internal surface suitable for reading of tubular key 11, promptly with the tapered shape of the surface of contact of spool, the spool that is driven by valve rod 13 then constitutes by opening zero RunddichtringO 17 of setting in the groove of system on ABS engineering plastics system valve disc 16 and its outer side wall, valve disc 16 is axially locating on valve rod 13, radially rotatable, open on the heart hole wall of valve disc 16 plug-in mounting valve rods 13 in the groove of system and be equipped with the zero RunddichtringO (not shown) that is used for valve rod 13 sealings; And the hydrant switch block that the operating handle 22 that described water outlet 2 is connected with hydrant valve rod 13 with passing through frame 21 tops in advance by ABS engineering plastics system frame 21 constitutes constitutes; The leftover bits and pieces of water outlet frame 21 is provided with outer convex edge 21a jaggy, the water outlet that the connecting body 14 that has tubular key 11 and its top to be nested with on the upper-end surface of hydrant 1 surrounds is got a foothold and is inserted annular groove, corresponding with the breach of the outer convex edge 21a of water outlet frame leftover bits and pieces, water outlet on hydrant 1 upper-end surface is got a foothold and is inserted the external annulus upper edge of annular groove, be that the connecting body 14 inwall upper edges that tubular key 11 tops are nested with are provided with internal projection 14b, and the water outlet on hydrant 1 upper-end surface get a foothold to insert the internal ring wall of annular groove, promptly opens zero RunddichtringO 15 of setting in the groove of system with water outlet frame 21 leftover bits and pieces inner wall sealings on the outer wall on tubular key 11 tops; The hydrant protecting cover 3 that is equipped with has the combined leftover bits and pieces of identical with water outlet frame 21 and hydrant 1; The outer side wall on hydrant 1 top, be also to be provided with lock 14a on connecting body 14 outer walls that are nested with of tubular key 11 tops, head is set in the lock hole of lock 14a passes through connecting body 14 and can put in water outlet on the hydrant upper-end surface and get a foothold to insert sunk screw 18 in the annular groove, this sunk screw 18 constitutes hydrant protecting cover lock with the sunk screw spanner that is equipped with.

Among the figure: 23---stuffing box packing, 24---the stuffing box packing gland, 25---spanner.

Claims

1, a kind of overall plastic antitheft outlet valve, it is characterized in that: it is by hydrant (1), water outlet (2) and plastics hydrant protecting cover (3) three parts that are equipped with are formed, described hydrant (1) is by plastics tubular key (11), in the tubular key (11) by being the valve rod (13) that is provided with of the support (12) of outer ring stand with the tubular key and driving the spool that moves by valve rod (13) and constitute, the internal surface suitable for reading of tubular key (11), promptly with the tapered shape of the surface of contact of spool, the spool that is driven by valve rod (13) then constitutes by opening zero RunddichtringO (17) of setting in the groove of system on plastics valve disc (16) and its outer side wall, valve disc (16) is gone up axially locating at valve rod (13), radially rotatable, open on the heart hole wall of valve disc (16) plug-in mounting valve rod (13) in the groove of system and be equipped with zero RunddichtringO that is used for valve rod (13) sealing; And described water outlet (2) is by plastic casing body (21) with pass through frame (21) top and the hydrant switch block formation of operating handle (22) formation that connects with hydrant valve rod (13) in advance; The hydrant protecting cover (3) that is equipped with has identical with water outlet frame (21) and the combined leftover bits and pieces of hydrant (1).

2, overall plastic antitheft outlet valve according to claim 1, it is characterized in that: the leftover bits and pieces of water outlet frame (21) is provided with outer convex edge jaggy (21a), the water outlet that the connecting body (14) that has tubular key (11) and its top to be nested with on the upper-end surface of hydrant (1) surrounds is got a foothold and is inserted annular groove, corresponding with the breach of the water outlet frame outer convex edge of leftover bits and pieces (21a), water outlet on hydrant (1) upper-end surface is got a foothold and is inserted the external annulus upper edge of annular groove, be that connecting body (14) the inwall upper edge that tubular key (11) top is nested with is provided with internal projection (14b), and the water outlet on hydrant (1) upper-end surface get a foothold to insert the internal ring wall of annular groove, promptly opens zero RunddichtringO (15) of setting in the groove of system with water outlet frame (21) leftover bits and pieces inner wall sealing on the outer wall on tubular key (11) top.

3, overall plastic antitheft outlet valve according to claim 2, it is characterized in that: the outer side wall on hydrant (1) top, be also to be provided with lock (14a) on connecting body (14) outer wall that is nested with of tubular key (11) top, head is set in the lock hole of lock (14a) passes through connecting body (14) and can put in water outlet on the hydrant upper-end surface and get a foothold to insert sunk screw (18) in the annular groove, this sunk screw (18) constitutes hydrant protecting cover lock with the sunk screw spanner that is equipped with.

4, according to claim 1,2 or 3 described overall plastic antitheft outlet valves, it is characterized in that: be coated with on its exposed face and be coated with chromium or aluminium protective layer.