CN2383539Y

CN2383539Y - Telescopic underground hydrant

Info

Publication number: CN2383539Y
Application number: CN 99215184
Authority: CN
Inventors: 郭献文
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-22
Filing date: 1999-06-22
Publication date: 2000-06-21
Anticipated expiration: 2009-06-22

Abstract

The utility model relates to a telescopic underground fire hydrant, a positioning pipe which is sheathed with a sleeve is mainly fixed on the top of a ball seat. One end of the positioning pipe is convexly provided with a stopping wall which is properly embedded in an annular salient wall on the inner pipe edge of the sleeve, and O-shaped rings are arranged among the salient walls of the sleeve. The top edge of the sleeve is also convexly provided with a positioning wall, and a sleeve case which is provided with O-shaped rings and an extension pipe are embedded on the top of the sleeve. In addition, the other end of the extension pipe is screwed with an elbow which is provided with a handle, and the other end of the elbow is connected with a pipe joint from which water can flow out. When used, the pipe body can properly stretch, the elbow can rotate at 360 DEG, and water outlet direction can be randomly adjusted.

Description

A kind of telescopic underground hydrant

The utility model relates to a kind of telescopic underground hydrant.

Fire fearful well known, so various fire fighting devices emerge in an endless stream, just the most common fireproofing installation has a kind of underground fire fighting bolt that is embedded at present, it is embedded in underground side's appropriate depth, uses when implementing, and makes the continuous rotation of cap transmission can make valve rod upwards pass, and make the pipeline in it form path, and by the external body output of pipe joint, the detailed said structure of seeing is not difficult to realize that it has remained a little weak point, and main cause is summarized as follows:

1, the valve rod of this structure system drives with screw thread, a few can make valve rod rise so often need rotation, and then cause pipeline unobstructed, and the fire fighting time is very urgent, and this structure must be rotated and just can be made pipeline unobstructed and the water yield and hydraulic pressure that tool is enough after a few, its spent time is very considerable, has usually incured loss through delay the best opportunity of fire fighting, causes unexpected the generation.

2, this kind fire fighting bolt system is embedded in subsurface, easily covers or alluvial because of sand, causes cap transmission to be difficult to outward winding, and is narrower and small because of the space, in the cleaning very inconvenience make the water-supply-pipe can't be fast and water outlet smoothly.

3, if this kind structure is when water delivery is implemented, and its water delivery piping is arranged in pipe joint, by the underground ground that is external to, easily makes water-supply-pipe produce and scratches curved situation, and causing supplies water has some setbacks, and significantly reduces water yield.

4, generally when fire fighting, system receives pipe joint with water-supply-pipe, water is caused fire fighting truck, and by fire fighting truck pressurization back water delivery, right, the person of low position is thick now, often see many barriers, make water-supply-pipe often need adjust the angle barrier of dodging, and that this structure belongs to is fixed in the road surface, often scratch curvedly, reduce water yield for making water-supply-pipe be adjusted to best angle.

The purpose of this utility model is to provide a kind of telescopic underground hydrant, can look actual quick appropriate telescoping tube height degree of use situation and the convenient water outlet direction of adjusting.

In order to reach above-mentioned purpose, the utility model mainly ties up to ball seat central authorities and is shaped to hollow cavity in, suitable confession built-in can be controlled the ball valve of Inlet and outlet water, and establish in ball seat one termination and can control the control lever that ball valve opens and closes state, the top of this ball seat vertically sets firmly the positioning pipe of an overcoat sleeve pipe, this positioning pipe is convexly equipped with the retaining wall in an end pipe flange, and sleeve pipe is convexly equipped with the protruding wall of number in interior pipe flange, built-in O type ring between each protruding wall, sleeve pipe top outer rim is convexly equipped with moulding location wall, sheath body system complies with pipe flange outside the sleeve pipe and the interior empty capsid of the central tool through hole of moulding, sheath body wears the extension inlay card and sets firmly, and the inner edge of sheath body is convexly equipped with number and supports only wall, and ends built-in O type ring between wall in respectively supporting, the extension pipe end connects establishes the bend pipe that a periphery is established the tool handle, and bend pipe and pipe joint join.

After adopting said structure, can save the time of water outlet, because bend pipe can 360 degree revolves waters, can adjust the water outlet direction arbitrarily simultaneously, make water supply more smooth and easy.

Below in conjunction with accompanying drawing the utility model is elaborated.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is an action schematic diagram of the present utility model;

Fig. 3 is a use schematic diagram of the present utility model.

See also shown in Figure 1, the utility model is the built-in ball valve 12 of room 11 suitable confessions of sky in ball seat 1 central moulding one mainly, and establish in ball seat 1 one terminations and can control the control lever 14 that ball valve 12 opens and closes states, wherein: ball seat 1 lies in the top and vertically offers interior helicoid locating hole 111, suitable be fixed in the locating hole 111 for positioning pipe 2 sleeve pipe 3 Passscheibens 13 that stretch through, this positioning pipe 2 lies in an end outer rim and establishes the tool screw thread, other holds pipe flange then to be convexly equipped with retaining wall 21, again, pipe flange was convexly equipped with the protruding wall 31 of some ring-types in sleeve pipe 3 lay in, and in 31 built-in O type rings 32 of each protruding wall, and produce suitable friction with positioning pipe 2 outer pipe flanges, and be convexly equipped with moulding location wall 33 in sleeve pipe 3 top outer rims;

Sheath body 4 is the interior empty capsid that the outer pipe flange of complying with sleeve pipe 3 forms the central tool through hole 41 of type, and peritreme is convexly equipped with some only walls 42 that support in through hole 41, and in respectively support ending 42 built-in O type rings 43 of wall, and it is suitable for radially wearing pilot pin 45 to be convexly equipped with lug 44 in sheath body 4 root edges;

Extension 5 is to comply with through hole 41 internal orifice dimensions of sheath body 4 and the straight body of moulding, and one pipe end outer peripheral edges are convexly equipped with block 51, and other holds pipe end then to establish the suitable bend pipe 52 of establishing tool handle 521 with a periphery of tool screw thread and is spirally connected mutually, and the pipe end of this bend pipe 52 is provided with a pipe joint 6;

Pipe joint 6 is to be screwed togather mutually by adapter 61 and joint cap 62 to form, and main system is for external water-supply-pipe water delivery usefulness.

During combination, make positioning pipe 2 wear sleeve pipe 3 and be located in the locating hole 111 of ball seat 1 with thread segment Passscheiben 13 spiral shells of bottom, and make extension 5 wear sheath body 4, and be located at sleeve pipe 3 pipe ends with sheath body 4 Passscheibens 13 spiral shells, and make pilot pin 45 radially be extended through the lug 44 of sheath body 4 and be locked in sleeve pipe 3 pipe flanges, it is affixed to make the thread segment spiral shell of bend pipe 52 relative extensions 5 establish again, and make bend pipe 52 pipe ends external another can external water-supply-pipe pipe joint 6, whole fire hydrant places ground 7 times.

During use, see also shown in Figure 2, the utility model can adopt the slippage of stretching of second order segmentation, visual required situation and extracting by the handle 521 of bend pipe 52 peripheries, make bend pipe 52 interlock extensions 5 move relative to sheath body 4, because of extension 5 outer pipe flanges are a smooth straight pipe, and sheath body 4 inner faces are established the some O types of tool ring 43, but mat O type ring 43 and extension 5 peripheries produce the suitable frictional resistance of size, make extension 5 be maintained stretching placing on the ground 7 for external water-supply-pipe, and the block 51 of mat extension 5 are butted on supporting of sheath body 4 and end the wall 42 suitable restriction extensions 5 that give, again, this bend pipe 52 can be 360 degree revolutions, when external water-supply-pipe, can make the unlikely bending of water-supply-pipe deflect by the arc curvature of bend pipe 52, it is smooth and easy to be beneficial to water delivery, and can be 360 degree revolutions by bend pipe 52 and curl up, the dead angle when reducing water delivery can effectively be raised the efficiency; In addition, if desire makes pipe joint 6 rise when being beneficial to connect water-supply-pipe more, can smoke the handle 521 of bend pipe 52 peripheries once again, see also shown in Figure 3, make its interlock extension 5, be butted on the only wall 42 that supports of sheath body 4 inner edges with the block 51 of its pipe end, cause 2 slippages of the solid sleeve pipe of sheath body 4 interlocks and its spiral shell 3 relative positioning pipes, and the O type ring 32 of mat sleeve pipe 3 inner edges and the frictional resistance of positioning pipe 2 outer pipe flange tool one appropriateness, make sleeve pipe 3 vertically be stretched and put the location, again, the protruding wall 31 of pipe flange is the retaining wall 21 that fastens in positioning pipe 2 tops in the sleeve pipe 3, suitable preventing that sleeve pipe 3 pulls from excessively deviating from, visual required situation and appropriate extraction tube joint 6; When folding, only need make bend pipe 52 interlock extensions 5 and sleeve pipe 3 inwardly contract to move and to collapse in ground fully 7 times.

Claims

1, a kind of telescopic underground hydrant, its mainly in ball seat in hollow cavity in the moulding one, suitable confession built-in can be controlled the ball valve of Inlet and outlet water, and establish in ball seat one termination and can control the control lever that ball valve opens and closes state, it is characterized in that: the top of this ball seat vertically sets firmly the positioning pipe of an overcoat sleeve pipe, this positioning pipe lies in an end pipe flange and is convexly equipped with the retaining wall, and sleeve pipe is convexly equipped with the protruding wall of number in interior pipe flange, built-in O type ring between each protruding wall, sleeve pipe top outer rim is convexly equipped with moulding location wall, sheath body system complies with pipe flange outside the sleeve pipe and the interior empty capsid of the central tool through hole of moulding, sheath body wears the extension inlay card and sets firmly, and the inner edge of sheath body is convexly equipped with number and supports only wall, and ends built-in O type ring between wall in respectively supporting, the extension pipe end connects establishes the bend pipe that a periphery is established the tool handle, and bend pipe and pipe joint join.