CN2505649Y

CN2505649Y - Frost valve

Info

Publication number: CN2505649Y
Application number: CN 01234669
Authority: CN
Inventors: 白玉奇; 白玲
Original assignee: BAI YUQI BAI LING
Current assignee: BAI YUQI BAI LING
Priority date: 2001-08-30
Filing date: 2001-08-30
Publication date: 2002-08-14
Anticipated expiration: 2011-08-30

Abstract

The utility model relates to a frost valve which belongs to the valves for pipelines. The frost valve on the ground can be effectively prevented from being frozen, and is easy to operate and is convenient in use. The utility model is mainly technically characterized in that the lower part of a valve rod 9 is installed in a sealed cavity formed by a valve body 1 and a valve cap 10; a sealing sleeve 6 is fixed on the valve rod by straight pins 7; a valve plug 15 is installed on the lower end of the valve rod 9 via a cap nut 3 and a gasket 4; a screw rod on the valve rod 9 is fixed in a threaded hole above the valve cap 10; a sealing pressing block 12 and a packing 11 are arranged on the valve cap 10 by a screw nut 13; the upper end of the valve rod 9 is provided with a hand wheel 14; a concave annular water passage groove 17 is arranged on a cylinder at the lower part of the valve cap 10; the water passage groove 17 is communicated with a water passage hole 16 arranged radially on the cylinder; a drain hole 18 is arranged on the wall of a cavity above the valve body 1 and is communicated with the water passage groove 17.

Description

Antifreezing valve

One, technical field

The utility model belongs to the pipeline valve.

Two, background technique

Winter, outdoor valve was easy to be damaged by frost, also do not have antifreezing valve at present, people prevent that the method that valve is frozen from being that a gate valve is installed in the underground hole, with the method control water source of closing gate valve, then open the water tap in the underground hole again, the retaining in tap water standpipe and the water tap is released.Said method operates very inconvenient.

Three, summary of the invention

The purpose of this utility model provides a kind of easy to operate antifreezing valve.

The utility model is achieved in that antifreezing valve, and the bottom of valve rod 9 is installed in the Seal cage of valve body 1 and valve gap 10 compositions, and stuffing box gland 6 is fixed on the valve rod by straight pin 7, and valve plug 15 is installed in valve rod 9 lower ends by nut 3 and packing ring 4; Screw rod on the valve rod 9 is fixed in the tapped hole of valve gap 10 tops, by nut 13 sealed briquette 12 and packing 11 is installed above valve gap 10, in the upper end of valve rod 9 handwheel 14 is installed; The water intake 19 of valve body 1 is communicated with water outlet 20 by valve plug chamber 21; The cylindrical body of valve gap 10 bottoms is provided with recessed annular water-flowing trough 17, and the water port 16 that radially is provided with on water-flowing trough 17 and the cylindrical body is communicated with; Be provided with spilled water hole 18 on the cavity wall above the valve body 1, water-flowing trough 17 is communicated with spilled water hole 18.

Comparing the beneficial effects of the utility model with background technique is: can effectively prevent ground valve to be frozen, and simple to operate, easy to use.In addition, antifreezing valve is simple in structure, and volume is little, and easily processing is with low cost, is suitable for the city, and rural area outdoor use waterpipe uses.

Four, description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the structural representation of valve gap 10;

Fig. 3 is the structural representation of valve body 1.

Five, embodiment

Attachment face between valve gap 10 and the valve body 1 is provided with rubber pad 8, and stuffing box gland 6 is fixed on the valve rod 9 by straight pin 7; Packing ring 5 is installed between the valve plug 15 up and down.

In the time of need making water, be rotated counterclockwise handwheel 14, valve plug 15 is up, and valve plug 15 is sealed the upper end in valve plug chamber 21 in the valve body 1, and water advances less than in spilled water hole 18 and the water port 16, and at this moment water flows out from exporting 20 through valve plug chamber 21 by water intake 19.

When needs are closed water valve, the handwheel 14 that turns clockwise, valve plug 15 is descending, seals 21 bottoms, valve plug chamber, and water intake 19 is sealed.The water of water outlet 20 is got back to 21 tops, valve plug chamber, and the water port 16 from valve gap 10 flow into the water-flowing trough 17, flows out the spilled water hole from valve body 1 18 again.Water during because of throttle down in the valve body is discharged from, and has realized the purpose that winter, valve was not frozen.

Claims

1, antifreezing valve, it is characterized in that: the bottom of valve rod (9) is installed in the Seal cage of valve body (1) and valve gap (10) composition, stuffing box gland (6) is fixed on the valve rod by straight pin (7), and valve plug (15) is installed in valve rod (9) lower end by nut (3) and packing ring (4); Screw rod on the valve rod (9) is fixed in the tapped hole of valve gap (10) top, by nut (13) sealed briquette (12) and packing (11) is installed in valve gap (10) top, in the upper end of valve rod (9) handwheel (14) is installed.

2, antifreezing valve according to claim 1 is characterized in that: the water intake (19) of valve body (1) is communicated with water outlet (20) by valve plug chamber (21).

3, antifreezing valve according to claim 1 is characterized in that: the cylindrical body of valve gap (10) bottom is provided with recessed annular water-flowing trough (17), and the water port (16) that radially is provided with on water-flowing trough (17) and the cylindrical body is communicated with; Be provided with spilled water hole (18) on the cavity wall of valve body (1) top, water-flowing trough (17) is communicated with spilled water hole (18).