CN211117708U - Water leakage prevention valve - Google Patents

Abstract

The utility model discloses a valve for preventing water leakage, which comprises a valve body, a valve rod is connected in the valve body in a sliding manner, a valve handle is arranged above the valve body, the valve handle is fixedly connected with the upper end of the valve rod, a clapboard which is matched with the interior of the valve body is fixedly arranged at both sides of the valve rod, a pressing sheet is fixedly arranged at the rear end of the valve rod, a lever is rotatably connected with the interior of the valve body, the lever is arranged at the rear part of the valve rod, the front arm of the lever is positioned below the pressing sheet, a pair of positioning plates are fixedly arranged at the upper end of the interior of the valve body, a positioning groove is formed between the positioning plates, a floating block is arranged in the positioning groove in a sliding manner, the width of the positioning plate and the width of; the beneficial effects are that: the lever principle is utilized to prevent water from leaking and save water resources.

Description

Water leakage prevention valve

Technical Field

The utility model belongs to the technical field of the valve and specifically relates to a prevent valve of running out.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, is generally applied to water transportation work in daily life, and is frequently used in the process of water use, after the valve is opened, the situation that water is suddenly stopped and the valve is forgotten to be closed occurs, so that when water is supplied again, the valve in the opening state can run out, and waste of water resources and property loss are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A water leakage prevention valve comprises a valve body, a valve rod is connected in the valve body in a sliding mode, a valve handle is installed above the valve body and fixedly connected with the upper end of the valve rod, partition plates matched with the interior of the valve body are fixedly installed at the two sides of the valve rod, a pressing sheet horizontally arranged is fixedly installed at the rear end of the valve rod, a lever is rotatably connected inside the valve body, the lever is installed at the rear part of the valve rod, the front arm of the lever is positioned below the pressing sheet, a pair of positioning plates is fixedly arranged at the upper end of the interior of the valve body, a positioning groove is formed between the positioning plates, a floating block is arranged in the positioning groove in a sliding manner and is arranged behind the lever, a groove is formed at the front end of the floating block, the rear arm of the lever is embedded into the groove, a water inlet and a water outlet are formed in two side ends of the valve body respectively, the water inlet is formed behind the floating block, and the water outlet is formed in the front of the valve rod.

Preferably, the upper end fixed mounting of valve body has the clamp plate, and the inside shaping of clamp plate has the dashpot with valve rod shape looks adaptation, the upper end shaping of clamp plate has the slip mouth, and the valve rod stretches out the slip mouth, fixed mounting has the sealing washer between slip mouth and the valve rod.

Preferably, the inside upper end shaping of valve body has the through-hole with valve rod looks adaptation, and the elastic steel sheet is all installed to the both sides of through-hole, and the front end fixed mounting of elastic steel sheet has the bump, the both sides shaping of valve rod has the pit with bump looks adaptation, in the bump embedding pit, the valve rod passes through the cooperation of bump and pit and valve body fixed connection.

Preferably, the positioning groove is internally and fixedly provided with a vertically arranged guide pillar, the guide pillar is embedded into a floating block, and the floating block is in sliding connection with the positioning groove through the guide pillar.

Preferably, the inside lower extreme shaping of valve body has the valve rod groove with valve rod looks adaptation, and the valve rod groove sets up in the lower extreme of valve rod, and the lower extreme embedding of valve rod is in the valve rod groove, the lower extreme of valve rod passes through the valve rod groove and is connected with the valve body tight fit.

Preferably, a sealing block is adhered in the valve rod groove, and the lower end of the valve rod is in tight fit connection with the valve rod groove through the sealing block.

Compared with the prior art, the beneficial effects of the utility model are that: by utilizing the lever principle, when the valve body is empty of water, the lever and the attachment move downwards under the action of gravity to block the water inlet, and when the valve rod is in an open state and water is suddenly fed, the floating block and the positioning plate block the water at the water inlet to prevent water leakage; at the moment, the valve rod is pressed to enable the lever to drive the floating block to move upwards, so that water can smoothly flow to the water outlet, and water resources are saved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the state schematic diagram of the inside of the valve body during the water leakage prevention of the utility model.

Fig. 3 is a partially enlarged view of a in fig. 2.

In the figure: 1. the valve comprises a valve body, 2, a valve rod, 3, a pressure plate, 4, a buffer groove, 5, a sliding opening, 6, a sealing ring, 7, a valve handle, 8, a partition plate, 9, a pressing sheet, 10, a through hole, 11, an elastic steel sheet, 12, a salient point, 13, a concave point, 14, a lever, 15, a positioning plate, 16, a positioning groove, 17, a floating block, 18, a guide pillar, 19, a groove, 20, a water inlet, 21, a water outlet, 22, a valve rod groove, 23 and a sealing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, an anti-leakage valve includes a valve body 1, a valve rod 2 is slidably connected in the valve body 1, a pressing plate 3 is fixedly installed at the upper end of the valve body 1, a buffer slot 4 adapted to the shape of the valve rod 2 is formed inside the pressing plate 3, a sliding port 5 is formed at the upper end of the pressing plate 3, the valve rod 2 extends out of the sliding port 5, a seal ring 6 is fixedly installed between the sliding port 5 and the valve rod 2, a valve handle 7 is installed above the valve body 1, the valve handle 7 is fixedly connected to the upper end of the valve rod 2, a partition plate 8 adapted to the inside of the valve body 1 is fixedly installed at two side ends of the valve rod 2, and a pressing sheet 9 horizontally arranged is fixedly installed at the rear end;

a through hole 10 matched with the valve rod 2 is formed in the upper end of the interior of the valve body 1, elastic steel sheets 11 are mounted on two sides of the through hole 10, a convex point 12 is fixedly mounted at the front end of each elastic steel sheet 11, concave points 13 matched with the convex points 12 are formed on two sides of the valve rod 2, the convex points 12 are embedded into the concave points 13, and the valve rod 2 is fixedly connected with the valve body 1 through the matching of the convex points 12 and the concave points 13, so that the positioning of the valve rod 2 in the moving-up process is realized, and the influence on the use effect caused by the random moving-down of the;

a lever 14 is rotatably connected to the inside of the valve body 1, the lever 14 is mounted at the rear of the valve rod 2, a front arm of the lever 14 is located below the pressing plate 9, a pair of positioning plates 15 is fixedly mounted at the upper end of the inside of the valve body 1, a positioning groove 16 is formed between the positioning plates 15, a floating block 17 is slidably mounted in the positioning groove 16, a guide post 18 which is vertically arranged is fixedly mounted in the positioning groove 16, the guide post 18 is embedded in the floating block 17, the floating block 17 is slidably connected with the positioning groove 16 through the guide post 18, the floating block 17 is mounted at the rear of the lever 14, a groove 19 is formed at the front end of the floating block 17, a rear arm of the lever 14 is embedded in the groove 19, a water inlet 20 and a water outlet 21 are respectively formed at two side ends of the valve body 1, the water inlet 20 is;

a valve rod groove 22 matched with the valve rod 2 is formed in the lower end of the interior of the valve body 1, the valve rod groove 22 is formed in the lower end of the valve rod 2, the lower end of the valve rod 2 is embedded into the valve rod groove 22, the lower end of the valve rod 2 is in tight fit connection with the valve body 1 through the valve rod groove 22, a sealing block 23 is adhered to the valve rod groove 22, and the lower end of the valve rod 2 is in tight fit connection with the valve rod 2 through the sealing block 23, so that the problem of water overflow is solved;

the utility model discloses a theory of operation is: as shown in fig. 1, when the valve rod 2 rises, that is, the valve body 1 is in an open state, when water is cut off, that is, the interior of the valve body 1 is not filled with water, the floating block 17 in the positioning groove 16 and the rear arm in the lever 14 move downward due to gravity, and due to the lever principle, the front arm of the lever 14 rises to block the water inlet 20, and when water is suddenly supplied from the water inlet 20 of the valve body 1, water cannot flow to the water outlet 21 due to the blocking effect of the positioning plate 15 and the floating block 17, so that the water leakage prevention function is achieved; as shown in fig. 2, when water is needed, the valve body 1 is closed, that is, the valve rod 2 is pressed by the valve handle 7, the valve rod 2 moves down into the valve rod groove 22, at this time, the pressing sheet 9 presses the front arm of the lever 14 down, due to the lever principle, the rear arm of the lever 14 moves up to drive the floating block 17 to move up to the positioning groove 16, due to the fact that the valve body 1 is filled with water, the floating block 17 is always positioned in the positioning groove 16 and does not move down any more due to the buoyancy of the water, the rear arm of the lever 14 is always in an upward state due to the action of the floating block 17, the water can smoothly pass through the floating block 17 from the water inlet 20 to the valve rod 2, at this time, the valve rod 2 moves up to enable the valve body 1 to be in an open state, the water can smoothly flow out from the water outlet 21.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (6)

1. A water leakage prevention valve is characterized by comprising a valve body, a valve rod is connected in the valve body in a sliding mode, a valve handle is mounted above the valve body and fixedly connected with the upper end of the valve rod, partition plates matched with the interior of the valve body are fixedly mounted at two sides of the valve rod, a pressing sheet horizontally arranged is fixedly mounted at the rear end of the valve rod, a lever is rotatably connected inside the valve body and mounted behind the valve rod, the front arm of the lever is located below the pressing sheet, a pair of positioning plates are fixedly mounted at the upper end of the interior of the valve body, a positioning groove is formed between the positioning plates, a floating block is slidably mounted in the positioning groove, the width of each positioning plate and the width of each floating block are the same as the width of the interior of the valve body, each floating block is mounted behind the lever, a groove is formed at the front end of each floating block, the rear arm of the lever, the water inlet is arranged at the rear of the floating block, and the water outlet is arranged in front of the valve rod.

2. The valve of claim 1, wherein a pressing plate is fixedly mounted at the upper end of the valve body, a buffer groove matched with the valve rod in shape is formed inside the pressing plate, a sliding port is formed at the upper end of the pressing plate, the valve rod extends out of the sliding port, and a sealing ring is fixedly mounted between the sliding port and the valve rod.

3. The valve of claim 1, wherein a through hole matched with the valve rod is formed at the upper end of the inside of the valve body, elastic steel sheets are arranged on two sides of the through hole, a convex point is fixedly arranged at the front end of each elastic steel sheet, concave points matched with the convex points are formed on two sides of the valve rod, the convex points are embedded into the concave points, and the valve rod is fixedly connected with the valve body through the matching of the convex points and the concave points.

4. The valve of claim 1, wherein a guide post is fixed in the positioning groove and vertically disposed, the guide post is embedded in a floating block, and the floating block is slidably connected to the positioning groove via the guide post.

5. The valve of claim 1, wherein a valve stem groove matched with the valve stem is formed at the lower end of the interior of the valve body, the valve stem groove is formed at the lower end of the valve stem, the lower end of the valve stem is embedded into the valve stem groove, and the lower end of the valve stem is tightly matched and connected with the valve body through the valve stem groove.

6. The valve of claim 5, wherein a sealing block is adhered to the valve stem groove, and the lower end of the valve stem is tightly fitted into the valve stem groove through the sealing block.

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