CN2422497Y

CN2422497Y - Single pipe cold-hot-water delivery changing-over cock for domestic water heater

Info

Publication number: CN2422497Y
Application number: CN 00204691
Authority: CN
Inventors: 明浩; 明晓亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-02
Filing date: 2000-03-02
Publication date: 2001-03-07
Anticipated expiration: 2010-03-02

Abstract

The utility model belongs to a valve, which is a single pipe cold-hot-water delivery changing-over cock valve for a domestic water heater. The utility model is characterized in that two horizontal end tubes and a vertical end valve which is arranged on the same side with the horizontal end tubes are arranged on a valve body. A valve sleeve is installed in the valve body, and is respectively perpendicular to shaft lines of the horizontal end tubes and the vertical end tube. Three radial holes which are communicated with the horizontal end tubes and the vertical end tube are arranged on the lateral wall of the valve sleeve. Three radial holes corresponding to the radial holes of the valve sleeve are also arranged on a working section of a valve core which is installed in the valve sleeve. The supply of cold water and hot water or water break of pipelines can be realized when the valve core is rotated. The utility model has the advantages of material saving for instillation, convenient installation, beautiful appearance, little resistance of a flow path, little pressure drop, operation with the partition of wall newspaper, and convenient operation.

Description

Household water heater single tube water delivery hot and cold water switch cock valve

The utility model belongs to a kind of valve, is specifically related to a kind of stopcock that water heater single tube water delivery hot and cold water switches that is used for.

At present, water heater is used widely in the family, and two-tube or single tube water-carriage mode is adopted in hot water or cold water's conveying usually.The single tube water-carriage mode is to realize that by switching valve same pipe-line system not only can carry cold water but also can the delivering hot water.The valve sets of being made up of three stop valves and a plurality of pipe fitting realizes that the hot and cold water of single tube water delivery switches, it not only complex structure, take up room big, install bothersome, not attractive in appearance, and hot water or cold water's handover operation complexity, realize that a hot water or cold water is switched and to pull three valves, misoperation easily takes place.Application number is that 99208420.2 Chinese patent discloses a kind of " domestic freezing heating water switches fourway plug valve " and substitutes valve sets that original three stop valves and a plurality of pipe fitting are formed with a fourway plug valve, realizes that simply, easily the hot and cold water that single tube is carried switches.But the shortcoming of this fourway plug valve is a valve body is the four-way formula valve body of short cylindrical shape, be connected with the horizontal ends pipe and the upper and lower end pipe of radial arrangement around the valve body, the mouth of pipe that connects water heater when installing and using is upper and lower layout, a connecting tube will be around the below (see figure 8) to pipeline, cause the connecting tube waste, and not attractive in appearance; Have three independently runners on the spool active section, six holes that distributing on the spool working surface, the diameter in hole again can not be too little, this structural limitations the spool miniaturization of size, make that the spool runner is long and narrow, hydraulic head pressure loss is big.

The purpose of this utility model provides a kind of easy for installation, province's material, and pipe line arrangement is attractive in appearance, the household water heater single tube water delivery hot and cold water switch cock valve that the hydraulic head pressure loss is little.

The utility model is achieved in that a kind of household water heater single tube water delivery hot and cold water switch cock valve, and it comprises valve body, is installed in the spool in the valve body, the valve rod that is connected with spool, the handle that is connected with valve rod.Wherein, said valve body is elongated cylindrical, be connected with two horizontal ends pipes along the valve axis direction, be connected with two that be arranged in parallel and vertical vertical end pipes at the valve body upside with the horizontal ends pipe, the valve body side be positioned at a vertical end pipe below have one with horizontal ends pipe and all vertical radial direction through hole of vertical end pipe; Said spool is the short cylindrical shape parts, on its cylindrical active section, have three respectively with the radial hole of valve body two horizontal ends pipes and the corresponding T-shaped layout of a vertical end pipe, and have groove at an end of spool; Said valve rod inner end is installed with pin and is positioned at the groove of spool one end, the outer end of valve rod has groove, a handle and connecting rod is installed in the groove, spool is installed in the radial direction through hole of valve body by two valve bonnet seals together with the valve rod inner end, the outer end of valve rod is passed center hole that a valve gap opens and is installed on the valve gap by Gland sealing, and the outer end of a handle and connecting rod is passed the center hole that Gland opens and is connected with one handle.

This stopcock level is connected in the tap water pipeline, two horizontal ends pipes of valve body are linked to each other with inlet tube and outlet tube respectively, two vertical end pipes connect the water-in and water-out mouth of pipe of water heater respectively, and all be distributed in the top of horizontal pipeline, easy for installation, economize material, and beautiful shape; Three holes, two channel designs that the spool of this valve adopts T-shape to arrange had both reduced physical dimension, had shortened the length of small aperture runner again, had reduced flow passage resistance force of waterproof.When installing valve rod, handle and connecting rod and handle additional, can also realize partition wall hot and cold water handover operation as the other end at spool.

Now in conjunction with the accompanying drawings and embodiments the utility model is done specific descriptions:

Fig. 1 is the utility model longitudinal sectional view;

Fig. 2 is that the A-A of Fig. 1 is to view;

Fig. 3 is the utility model scheme of installation;

Fig. 4 is another embodiment's partition wall operation scheme of installation of the utility model;

Fig. 5 is cooling water condition spool and valve pocket relative position figure;

Fig. 6 is heat supply water condition spool and valve pocket relative position figure;

Fig. 7 is for cutting off water supply condition spool and valve pocket relative position figure;

Fig. 8 is existing four way cock scheme of installation.

As depicted in figs. 1 and 2, a kind of household water heater single tube water delivery hot and cold water switch cock valve, it comprises valve body 2, is installed in the spool 1 in the valve body 2, the valve rod 11 that is connected with spool 1, handle 10 (not shown)s that are connected with valve rod 11.Valve body 2 is elongated cylindrical, be connected with two horizontal ends pipe I and IV along valve body 2 axial directions, valve body 2 upsides be connected with two that be arranged in parallel and with horizontal pipe end pipe I vertical end pipe II and the III vertical with IV, valve body 2 sides be positioned at a vertical end pipe II or III below have one with horizontal ends pipe I, II and vertical end pipe II or all vertical radial direction through hole of III; Spool 1 is the short cylindrical shape parts, on its cylindrical active section, have three respectively with the radial hole of 2 liang of horizontal ends pipes of valve body I, IV and vertical end pipe II or the corresponding T-shaped layout of III, have groove at spool 1 one ends; The inner end of valve rod 11 is installed with pin and is positioned at the groove of spool 1 one ends, the outer end of valve rod 11 has groove, a handle and connecting rod 9 is installed in the groove, spool 1 is installed in the radial direction through hole of valve body 2 by valve gap 6 and 7 sealings together with valve rod 11 inner ends, the rotation of can sliding, the center hole that a valve gap 7 is opened is passed in the outer end of valve rod 11, and is installed on the valve gap 7 by a Gland 8 sealing, and handle and connecting rod 9 outer ends are passed the center hole that Gland 8 opened and are connected with one handle 10.

Also the hot and cold water handover operation be can carry out for ease of partition wall, another root valve rod 5, long handle connecting rod and handle installed additional at the other end of spool 1.Promptly the other end at spool 1 also has groove, the inner end of another root valve rod 5 is installed with pin, and be positioned at the groove of spool 1 the other end, the outer end of valve rod 5 has groove, the long handle connecting rod is installed in the groove, valve rod 5 outer ends are passed center hole that valve gap 6 opened and are installed on the valve gap 6 by another Gland 4 sealings, and long handle connecting rod outer end is passed the center hole that Gland 4 opened and is connected (not shown) with another handle.

As shown in Figure 3 and Figure 4, during use this valve level is installed in the tap water pipeline, two horizontal ends pipe I of valve body 2 are connected with inlet tube and outlet tube respectively with II, two vertical end pipe II are connected with the water-in and water-out mouth of pipe of water heater respectively with III, the long handle connecting rod passes wall, two handles are installed in the both sides of wall respectively, and this is the mounting type of intake pipe on the left side.As making intake pipe mounting type on the right into, as long as unload Gland 4 and 8, short handle connecting rod 9 and long handle connecting rod are exchanged, again 180 ° of installations of valve body 2 upsets are got final product.

Cause that for reducing the rotation wearing and tearing of spool 1 in valve body 2 valve leaks, can also in the radial direction through hole of valve body 2, install valve pocket 3 additional, have three radial holes that communicate with 2 liang of horizontal ends pipes of valve body I, III and vertical end pipe II or III respectively on valve pocket 3 sidewalls, spool 1 is installed in the valve pocket 3 rotation of can sliding.Valve body 2 usefulness carbon steel material chrome-faceds are in the present embodiment made, and valve pocket 3 usefulness brass are made, and spool 1 is made of plastic, beautiful shape had both reduced cost, had guaranteed the valve operational safety again, its inner small seepage can not influence the performance of this valve, and machining accuracy does not need too high yet.

Rotatable handle makes spool 1 turn to position as shown in Figure 5, spool 1 is closed the runner that the vertical end pipe II mouth of pipe of valve pocket 3 and valve body 2 communicates, the horizontal radial hole of spool 1 communicates with horizontal ends pipe I, the II mouth of pipe of valve body 2, cut off water supply of water heater this moment, the horizontal ends pipe IV cooling water of valve body 2, be the cooling water condition this moment.When spool 1 turns to as shown in Figure 6 the position, spool 1 cuts off the runner that valve pocket 3 and the valve body 2 horizontal ends pipe IV mouths of pipe communicate, cold water is entered by horizontal ends pipe I, flow into water heater through vertical end pipe II, flow into valve body 2 through heated hot water by vertical end pipe III and flow out by horizontal ends pipe IV again, be the heat supply water condition this moment.When spool 1 turned to as shown in Figure 7 the position, spool 1 was closed the horizontal ends pipe I mouth of pipe of valve pocket 3 and valve body 2, and be the operating mode of cutting off the water supply this moment, and water heater detachably overhauls.It is very convenient reliable to this shows that this valve switches hot and cold water.

Claims

1. household water heater single tube water delivery hot and cold water switch cock valve, it comprises valve body (2), be installed in the spool (1) in the valve body (2), the valve rod (11) that is connected with spool (1), the handle (10) that is connected with valve rod (11), it is characterized in that: said valve body (2) is elongated cylindrical, be connected with two horizontal ends pipe I and IV along valve body (2) axial direction, valve body (2) upside be connected with two that be arranged in parallel and with horizontal pipe end pipe I vertical end pipe II and the III vertical with IV, the below that is positioned at a vertical end pipe II or III in valve body (2) side has one and horizontal ends pipe I, II and vertical end pipe II or all vertical radial direction through hole of III, said spool (1) is the short cylindrical shape parts, on its cylindrical active section, have three respectively with valve body (2) two horizontal ends pipe I, the radial hole of IV and vertical end pipe II or the corresponding T-shaped layout of III, have groove at spool (1) one end, the inner end of valve rod (11) is installed with pin and is positioned at the groove of spool (1) one end, the outer end of valve rod (11) has groove, a handle and connecting rod (9) is installed in the groove, spool (1) is installed in the radial direction through hole of valve body (2) by valve gap (6) and (7) sealing together with valve rod (11) inner end, the center hole that a valve gap (7) is opened is passed in the outer end of valve rod (11), and be installed on the valve gap (7) by a Gland (8) sealing, handle and connecting rod (9) outer end is passed the center hole that Gland (8) opened and is connected with one handle (10).

2. according to the said a kind of household water heater single tube water delivery hot and cold water switch cock valve of claim 1, it is characterized in that: said spool (1) the other end also has groove, other has the inner end of a valve rod (5) to be installed with pin and is positioned at the groove of the spool the other end, the outer end of valve rod (5) also has groove, another long handle connecting rod is installed in the groove, the outer end of valve rod (5) is passed the center port lid that valve gap (6) opened and is installed on the valve gap (6) by another Gland (4) sealing, and long handle connecting rod outer end is passed the center hole that Gland (4) opened and is connected with another handle.

3. according to claim 1 or 2 said a kind of household water heater single tube water delivery hot and cold water switch cock valves, it is characterized in that: in the radial direction through hole of valve body 2, be equipped with valve pocket (3), have three radial holes that communicate with valve body (2) two plain-end tubes (I), (IV) and vertical end pipe (II) or (III) respectively on valve pocket (3) sidewall, spool (1) is installed in the valve pocket (3).