CN209781785U

CN209781785U - Water leakage prevention device

Info

Publication number: CN209781785U
Application number: CN201920369381.9U
Authority: CN
Inventors: 刘庆庆
Original assignee: Guangdong Top Pipe Technology Co Ltd
Current assignee: Guangdong Top Pipe Technology Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2019-12-13
Anticipated expiration: 2029-03-21

Abstract

the utility model discloses a leak protection water installation, case including sleeve, piston rod and holding in the water pipe, the sleeve is provided with the ladder through-hole, the piston rod cover is put in the ladder through-hole and relative sleeve concertina movement, and the sleeve constitutes first rivers passageway with the piston rod clearance, the piston rod is provided with end cap and connecting portion along the direction of intaking, end cap radial dimension is less than ladder through-hole outer hole size and is greater than ladder through-hole size, connecting portion are used for with the case butt. The utility model provides a leak protection water installation of self-closing water passageway under the condition of crackle or fracture produces.

Description

Water leakage prevention device

Technical Field

The utility model relates to the field of pipelines, especially, relate to leak protection water installation.

Background

The water pipe is a tool for guiding water, a large number of water valve devices for stopping water or throttling exist in the market, the water valve needs to exert large force in the installation process, the damage of the material organization of the water valve is easily caused, in addition, the subsequent continuous use of the water valve device causes the aging of the water valve, the situation that a valve core suddenly cracks, breaks or even falls off can be seriously caused, a large number of water leaks easily under the condition that a consumer does not know, the house is submerged, and the property and personal safety of the consumer are harmed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide a leak protection water installation of self-closing water passageway under the case condition that produces crackle or fracture.

The utility model discloses a realize through following technical scheme:

Leak protection water installation, including sleeve, piston rod and the case of holding in the water pipe, the sleeve is provided with the ladder through-hole, the piston rod cover is put in the ladder through-hole and relative sleeve concertina movement, and sleeve and piston rod clearance constitute first rivers passageway, the piston rod is provided with end cap and connecting portion along the direction of intaking, end cap radial dimension is less than ladder through-hole outer hole size and is greater than ladder through-hole inner hole size, connecting portion are used for with the case butt.

Preferably, the valve core comprises a shell and a water diversion part, the connecting part is used for being abutted against the water diversion part, a water outlet is formed in the shell, and a second water flow channel is formed by a gap between the water diversion part and the shell.

Preferably, the water diversion part is arranged in the shell, and the connecting part extends out of the sleeve and abuts against the water diversion part.

Preferably, the connecting portion are arranged in the sleeve, the radial size of the connecting portion is smaller than the size of an inner hole of the stepped through hole, and the water distributing portion extends out of the shell and is abutted to the connecting portion.

Preferably, the piston rod is provided with a plurality of ribs parallel to the water flow direction, and the ribs are uniformly distributed relative to the center line of the piston rod.

preferably, the piston rod is provided with a plurality of ribs parallel to the water flow direction, the ribs are uniformly distributed relative to the center line of the piston rod, and the ribs are provided with elastic buckling pieces used for limiting the connection part from retracting into the sleeve.

Preferably, a sealing ring is arranged between the plug and the elastic buckle piece.

preferably, the plug and the connecting part are both provided with a cone back to the elastic buckle piece.

Preferably, the sleeve and the valve core are both provided with flanges for fixing with a water pipe.

Preferably, the valve further comprises a valve cap sleeved on the valve core, and a water outlet is arranged on the shell.

Has the advantages that: the sleeve is provided with the ladder through-hole, and the piston rod cover is put in the ladder through-hole and relative sleeve concertina movement, and the piston rod is provided with end cap and connecting portion, under the normal conditions, connecting portion are used for with the case butt, and water flows in by first rivers passageway, in case the case produces the crackle then reduces with connecting portion support pressure degree, and the piston rod receives the relative sleeve of rivers pressure and stretches out and then can prevent to leak until the hole that the end cap blockked up the ladder through-hole, and the case fracture reaches and can make the piston rod remove final end cap and block up the ladder through-hole equally with the separation of connecting portion owing to exert the too big case that causes of nut upper force, and the leak protection water installation simple structure of this application request protection has.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

Fig. 1 is an overall schematic view of an embodiment of a water leakage prevention apparatus provided in the present application;

Fig. 2 is an exploded view of an embodiment of a water leakage preventing device provided in the present application;

FIG. 3 is a cross-sectional view of an embodiment of a water leakage preventing device according to the present invention in normal use;

FIG. 4 is a cross-sectional view of an embodiment of a water leakage preventing device according to the present invention in case of failure;

FIG. 5 is a schematic view of the valve cartridge of FIG. 2 at another angle;

Fig. 6 is an exploded view of a sleeve and a piston rod of an embodiment of the water leakage preventing device provided by the present application.

Detailed Description

The present application claims a water leakage preventing apparatus, as shown in fig. 1 and 2, comprising a sleeve 100, a piston rod 200 and a valve cartridge 300 received in a water pipe, the sleeve 100 is provided with a stepped through hole 110, water flows from an outer hole of the stepped through hole 110 and then flows into an inner hole of the stepped through hole 110, the piston rod 200 is sleeved in the stepped through hole 110 and moves telescopically relative to the sleeve 100, when the device is not in failure, water flows in from a first water flow channel formed by a gap between the sleeve 100 and the piston rod 200, the piston rod 200 is provided with a plug 210 and a connecting portion 220 along the water inlet direction, the radial dimension of the plug 210 is smaller than the outer hole dimension of the stepped through hole 110 and larger than the inner hole dimension of the stepped through hole 110, the connecting portion 220 is used for abutting against the valve core 300, thereby, it can be ensured that the connection portion 220 abuts against the valve cartridge 300 when no malfunction occurs, and the first water flow passage is continuously opened, as shown in fig. 3. Once the valve element 300 cracks or breaks, the abutting effect on the connection portion 220 is lost, the water pressure pushes the plug 210 of the piston rod 200 towards the inner hole of the stepped through hole 110 until the plug 210 blocks the inner hole of the stepped through hole 110, and the first water flow channel is closed, as shown in fig. 4, the water leakage prevention function under the condition that the valve element 300 fails is rapidly and conveniently realized by utilizing the self pushing effect of the water pressure.

It should be noted that the valve element 300 includes a translational valve element and a rotary valve element, and the adaptation is performed according to specific selection and preference, when the translational valve element is adopted, the connecting portion 220 is abutted to the housing 310 of the valve element 300 which does not move to realize the positioning of the piston rod 200, and the valve rod of the translational valve element moves telescopically relative to the housing 310 to realize the water-stopping or water-saving function of the valve element 300; when the rotary valve core is adopted, as shown in fig. 3-5, the valve core 300 comprises a housing 310 and a water dividing part 320, the water dividing part 320 is arranged on the axis, the valve core 300 rotates, and the water dividing part 320 is not displaced all the time, so that the water dividing part 320 can be continuously connected with the connecting part 220, a gap between the water dividing part 320 and the housing 310 forms a second water flow channel, the housing 310 is provided with a water outlet 311 communicated with the second water flow channel, and the water flows from the first water flow channel to the second water flow channel and finally flows out of the device from the water outlet 311.

Further describing the structure adopting the rotary valve core, the application at least comprises two embodiments for the abutting of the water-dividing part 320 and the connecting part 220, wherein, the water-dividing part 320 is arranged in the shell 310, and the connecting part 220 extends out of the sleeve 100 and abuts against the water-dividing part 320; secondly, the connecting portion 220 is arranged in the sleeve 100, so as to ensure that the piston rod 200 is not hindered in extension and retraction in a clearance, the radial dimension of the connecting portion 220 is smaller than the inner hole dimension of the stepped through hole 110, the water dividing portion 320 extends out from the housing 310 and is abutted against the connecting portion 220, the first embodiment can refer to fig. 3-5, and fig. 5 shows that the water dividing portion 320 is a butterfly-shaped sheet embedded inside the water inlet end of the housing 310 of the valve core 300, so that the connecting portion 220 can be crimped to realize positioning without hindering water flow from entering, and the clearance with the housing 310 is the second water flow channel.

there are many possible arrangements of the position of the water outlet 311, and as shown in fig. 5, the water outlet 311 is provided on the housing 310, and both rotary and translational spools may be used; alternatively, two through holes formed by separating the housing 310 and the water separator 320 may be used as the water inlet and the water outlet 311, respectively, and the water outlet 311 is not provided on the housing 310, and this arrangement is also applicable to a rotary valve element and a translational valve element.

In order to ensure that the piston rod 200 does not have instability, such as bending, during the process of extending and retracting relative to the sleeve 100, in this embodiment, it is preferable that the piston rod 200 is provided with a plurality of protruding ribs 230 parallel to the water flow direction, as shown in fig. 6, the protruding ribs 230 are uniformly distributed relative to the center line of the piston rod 200, so that the overall diameter of the piston rod 200 except the plug 210 is smaller than the inner hole diameter of the stepped through hole 110, the relative position between the piston rod 200 and the sleeve 100 is unchanged through the arrangement of the protruding ribs 230 when no fault occurs and no water flows, the first water flow channel is kept open when no fault occurs, the connection part 220 and the water distribution part 320 are not completely unstable due to the fact that no water flows into the piston rod 200 and sags in the stepped through hole 110 due to self gravity, thereby ensuring that the piston rod 200 is not impacted and unstable by water flow, and simultaneously, the water, the first water flow passage is formed, the rib 230 has a certain flow guiding and scale deposition preventing effect, and the friction between the telescopic rib 230 of the piston rod 200 and the inner wall of the sleeve 100 can remove impurities deposited on the inner wall of the sleeve 100.

The above rib 230 is a common arrangement for the above two embodiments, and for the first embodiment, the piston rod 200 is provided with a plurality of ribs 230 parallel to the water flow direction, the ribs 230 are uniformly distributed with respect to the center line of the piston rod 200, and it is preferable that the rib 230 is provided with an elastic buckle 240 for limiting the connection part 220 from retracting into the sleeve 100, the arrangement of the elastic buckle 240 avoids that in case of a fault, the water flow in the sleeve 100 has a reverse thrust on the piston rod 200 due to turbulence or unstable water pressure so that the plug 210 moves away from the sleeve 100, and avoids the abnormal water leakage prevention function failure, and also for the normal water flow without fault, the arrangement of the elastic buckle 240 is significant, and also avoids the situation that the connection part 220 and the water diversion part 320 are separated due to inference of the turbulence or unstable water pressure in the opposite direction for the piston rod 200, in the embodiment of fig. 6, it can be seen that the elastic buckle sheet 240 is realized by making a notch on the rib sheet, and the elastic buckle sheet 240 of the present application is not limited to this case, but may be a limiting hook body connected to the rib 230.

Of course, the elastic fastening piece 240 is disposed on the rib 230 to avoid the water flow blocking effect of the elastic fastening piece 240, and it is conceivable and within the scope of the present application to dispose the elastic fastening piece 240 directly on the piston rod 200 without any technical effect.

Also in order to prolong the service life of the stopper 210 and further improve the sealing property for closing the first water flow channel, it is preferable to provide a sealing ring behind the stopper 210, which is provided between the stopper 210 and the elastic buckle 240 for the previous embodiment.

in addition, in order to reduce the resistance received by the plug 210 and the connecting portion 220 during the telescopic movement, it is preferable that the plug 210 and the connecting portion 220 are both tapered away from the middle of the piston rod 200, and the embodiment shown in fig. 6 is applied to that the plug 210 and the connecting portion 220 are both tapered away from the elastic buckle piece 240.

In the embodiment shown in fig. 1-6, the sleeve 100 is sleeved in the water pipe, and preferably, the sleeve 100 and the valve core 300 are both provided with flanges for fixing with the water pipe to improve the connection stability, in addition, the sleeve 100 can also be directly used as a housing, the sleeve 100 is hermetically connected with an external component, the valve core 300 is arranged in the water pipe and fixed through the flanges, and the sleeve 100 is fixedly connected with the valve core 300.

preferably, a bonnet 500 is further included to be sleeved on the valve core 300 for easy handling.

In the embodiment, the whole angle valve that constitutes of device, the water pipe is valve casing 600 promptly, and valve casing 600 can be dismantled with the outside and be connected, second rivers passageway is arranged with delivery port 311 at a right angle, valve cap 500 is relative second rivers passageway parallel arrangement, is convenient for adjust valve cap 500, wholly is the linear type and arranges also in the protection scope of this patent, sets up to the angle valve and only lies in that the rivers direction takes place to buckle, and is more convenient to the location of internal part, and it is also comparatively convenient to replace spare part.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. Leak protection water installation, its characterized in that: including sleeve, piston rod and the case of holding in the water pipe, the sleeve is provided with the ladder through-hole, the piston rod cover is put in the ladder through-hole and relative sleeve concertina movement, and the sleeve constitutes first rivers passageway with the piston rod clearance, the piston rod is provided with end cap and connecting portion along the direction of intaking, end cap radial dimension is less than ladder through-hole outer hole size and is greater than ladder through-hole size, connecting portion are used for with the case butt.

2. The water leakage preventing apparatus according to claim 1, wherein: the valve core comprises a shell and a water distribution part, the connecting part is used for being abutted against the water distribution part, a water outlet is formed in the shell, and a second water flow channel is formed by a gap between the water distribution part and the shell.

3. The water leakage preventing apparatus according to claim 2, wherein: the water diversion part is arranged in the shell, and the connecting part extends out of the sleeve and is abutted against the water diversion part.

4. The water leakage preventing apparatus according to claim 2, wherein: the connecting portion set up in the sleeve, the radial dimension of connecting portion is less than ladder through-hole size, the water-dividing portion stretches out and with the connecting portion butt by the casing.

5. The water leakage preventing apparatus according to claim 1, wherein: the piston rod is provided with a plurality of ribs parallel to the water flow direction, and the ribs are uniformly distributed relative to the center line of the piston rod.

6. A water leakage preventing apparatus according to claim 3, wherein: the piston rod is provided with a plurality of ribs parallel to the water flow direction, the ribs are uniformly distributed relative to the center line of the piston rod, and the ribs are provided with elastic buckling pieces used for limiting the connection parts from retracting into the sleeve.

7. The water leakage preventing apparatus according to claim 6, wherein: and a sealing ring is arranged between the plug and the elastic buckle piece.

8. The water leakage preventing apparatus according to claim 6, wherein: the plug and the connecting part are both provided with a cone back to the elastic buckle piece.

9. The water leakage preventing apparatus according to claim 1, wherein: the sleeve and the valve core are provided with flanges used for being fixed with the water pipe.

10. A water leakage preventing apparatus according to any one of claims 1 to 9, wherein: the valve also comprises a valve cap sleeved on the valve core.