阅读说明：本技术 一种防盗水阀门 (Water theft prevention valve ) 是由 杜俨 于海波 翟俊杰 李冬梅 贺建华 张军 于 2020-08-01 设计创作，主要内容包括：一种防盗水阀门,阀体上部内横向装有一端伸出阀体的挡水板,伸出阀体的挡水板外面的阀体上装有密封罩,挡水板与阀体接触的上、下两面在阀体内壁的密封槽内装有密封圈,密封钢环固定在阀体内,密封圈通过螺钉固定的密封钢环固定在阀体内壁的密封槽内；阀盖包括启闭阀盖和固定阀盖,正常情况下,固定阀盖经固定螺栓固定在阀体上面,开启或关闭阀门时,将启闭阀盖固定在阀体上面,启闭阀盖呈内部空心的扁平鸟笼状,启闭阀盖内部装有垂直的阀杆和闸板,阀杆上端伸出启闭阀盖与手柄固定连接,经闸板上的闸板螺母与闸板固定连接在一起,结构简单,操作方便,必须配有专用的启闭阀盖才能将阀门打开,防盗性能好,社会和经济效益显著。(A water theft prevention valve is characterized in that a water baffle with one end extending out of a valve body is transversely arranged in the upper part of the valve body, a sealing cover is arranged on the valve body extending out of the water baffle of the valve body, sealing rings are arranged in sealing grooves in the inner wall of the valve body on the upper surface and the lower surface of the water baffle, which are in contact with the valve body, and sealing steel rings are fixed in the valve body and fixed in the sealing grooves in the inner wall of the valve body through the sealing steel rings fixed by screws; the valve gap is including opening and close valve gap and fixed valve gap, under the normal condition, fixed valve gap fixes on the valve body through fixing bolt, when opening or closing the valve, fix opening and close the valve gap on the valve body, the opening and close valve gap is the flat birdcage form of inside hollow, vertical valve rod and flashboard are equipped with to opening and close valve gap inside, the valve rod upper end stretches out opening and close valve gap and handle fixed connection, flashboard nut and flashboard fixed connection on the flashboard are in the same place, moreover, the steam generator is simple in structure, high durability and convenient operation, only can open the valve be furnished with dedicated opening and close valve gap, the theftproof performance is good.)

1. The water theft prevention valve comprises a valve body, a flange plate, a flashboard and a valve cover, wherein the valve cover is fixed on the valve body through bolts, and is characterized in that the valve body (15) is arranged on a pipeline through assembly holes on the flange plates (14) at two ends, a water baffle plate (13) with one end extending out of the valve body (15) is transversely arranged in the upper part of the valve body (15), a sealing cover (12) is arranged on the valve body (15) extending out of the water baffle plate (13) of the valve body (15) through bolts, a sealing ring (11) is respectively arranged in a sealing groove on the inner wall of the valve body (15) on the upper surface and the lower surface of the water baffle plate (13) contacting with the valve body (15), the sealing ring (10) is fixed in the valve body (15) through screws, and the sealing ring (11) is fixed in the sealing groove on the inner wall;

the valve gap is including opening and close valve gap (3) and fixed valve gap (9), under normal conditions, fixed valve gap (9) are fixed on valve body (15) through fixing bolt, when opening or closing the valve, will open and close valve gap (3) and fix on valve body (15), open and close valve gap (3) are the flat birdcage form of inside hollow, open and close valve gap (3) inside vertically valve rod (2) and flashboard (4) of being equipped with, valve rod (2) upper end is stretched out and is opened and close valve gap (3) and handle (8) fixed connection, be equipped with the screw thread on valve rod (2) the internal portion of valve gap (3) global, and be in the same place with flashboard (4) fixed connection through flashboard nut (1) on flashboard (4).

2. The anti-theft water valve according to claim 1, characterized in that the shutter plate (4) and the shutter plate nut (1) are of an integral structure, the shutter plate (4) is an oval flat plate body, a steel bracket is arranged in the oval flat plate body, and the shutter plate nut (1) is internally provided with threads which are matched with the threads on the valve rod (2).

3. The anti-theft water valve according to claim 1, characterized in that the lower end of the valve stem (2) extends out of the lower end of the shutter (4), and when the shutter (4) is fully positioned in the valve body (15), the lower end of the valve stem (2) is positioned in the shutter nut (1).

4. The anti-theft water valve according to claim 1, wherein the sealing ring (11) is a ring made of rubber.

Technical Field

The invention relates to a valve, in particular to a water theft prevention valve.

Background

When water supply companies pay water in daily life, a lot of water fee defaulting phenomena can be met, water fee is required to be paid with a water cut-off means, namely, a water valve is closed to achieve the purpose of water cut-off, but now, a key for self-locking the valve can be purchased in the market, a user who is cut off water can also buy the valve on the market or on the internet, and the purpose of real water cut-off cannot be achieved.

Disclosure of Invention

In view of the above situation, the present invention aims to provide a water theft prevention valve, which can effectively solve the problem of water theft caused by easy opening of the valve.

In order to achieve the purpose, the invention has the technical scheme that the anti-theft valve comprises a valve body, a flange plate, a flashboard and a valve cover, wherein the valve cover is fixed on the valve body through bolts, the valve body is arranged on a pipeline through assembly holes on the flange plates at two ends, a water baffle plate with one end extending out of the valve body is transversely arranged in the upper part of the valve body, a sealing cover is arranged on the valve body extending out of the water baffle plate of the valve body through the bolts, the upper surface and the lower surface of the water baffle plate, which are in contact with the valve body, are respectively provided with a sealing ring in a sealing groove on the inner wall of the valve body, the sealing steel ring is fixed in the valve body through screws, and the;

the valve gap includes open and close valve gap and fixed valve gap, and under normal conditions, fixed valve gap fixes on the valve body through fixing bolt, when opening or closing the valve, fixes open and close valve gap on the valve body, and open and close valve gap is inside hollow flat birdcage form, and the inside vertically valve rod and the flashboard of being equipped with of open and close valve gap, the valve rod upper end stretches out open and close valve gap and handle fixed connection, is equipped with the screw thread on the valve rod global of valve gap inside to be in the same place with flashboard fixed connection through the flashboard nut on the flashboard.

The valve has the advantages of simple structure, convenient operation, low manufacturing cost, good anti-theft performance and remarkable social and economic benefits, and the valve can be opened only by matching with a special opening and closing valve cover.

Drawings

Fig. 1 is a schematic view (partially in section) of the opening mechanism of the present invention.

Fig. 2 is a schematic structural view (partially in section) when the present invention is opened or closed.

Detailed Description

The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings and the detailed description.

The valve comprises a valve body, flange plates, a gate plate and a valve cover, wherein the valve cover is fixed on the valve body through bolts, the valve body 15 is arranged on a pipeline through assembly holes in the flange plates 14 at two ends, a water baffle plate 13 with one end extending out of the valve body 15 is transversely arranged in the upper part of the valve body 15, a sealing cover 12 is arranged on the valve body 15 extending out of the water baffle plate 13 of the valve body 15 through bolts, the upper surface and the lower surface of the water baffle plate 13, which are contacted with the valve body 15, are respectively provided with a sealing ring 11 in a sealing groove in the inner wall of the valve body 15, the sealing steel ring 10 is fixed in the valve body 15 through screws, and the sealing ring 11 is fixed in the sealing groove in the inner wall of the valve;

the valve gap is including opening and close valve gap 3 and fixed valve gap 9, and under the normal condition, fixed valve gap 9 is fixed on valve body 15 through fixing bolt, when opening or closing the valve, will open and close valve gap 3 and fix on valve body 15, and opening and close valve gap 3 is the flat birdcage form of inside hollow, and vertical valve rod 2 and flashboard 4 are equipped with to opening and close valve gap 3 inside, and 2 upper ends of valve rod stretch out opening and close valve gap 3 and handle 8 fixed connection, are equipped with the screw thread on the valve rod 2 global of valve gap 3 inside to flashboard nut 1 on the flashboard 4 is in the same place with flashboard 4 fixed connection.

For guaranteeing better implementation effect, flashboard 4 and flashboard nut 1 structure as an organic whole, flashboard 4 is the oval plate, is equipped with steel support in the oval plate, all opens the screw thread that agrees with mutually with the screw thread on the valve rod 2 in the flashboard nut 1.

The lower extreme of valve rod 2 stretch out the lower extreme of flashboard 4, when flashboard 4 is whole to be located valve body 15, the lower extreme of valve rod 2 is located flashboard nut 1, the length that is located the valve rod 2 of opening and close valve gap 3 promptly is greater than the perpendicular to length sum of flashboard 4 and flashboard nut 1, when guaranteeing to reach encapsulated situation in the whole entering valve body 15 of flashboard 4, flashboard nut 1 on valve rod 2 and the flashboard 4 is in connected state, when valve rod 2 and flashboard 4 do not have and be connected, flashboard 4 still does not lie in valve body 15 completely.

The sealing ring 11 is in a ring shape made of rubber.

When the valve is used specifically, the valve for preventing water burglary is arranged in front of or behind a meter of a pipe network pipeline through the assembling hole on the flange plate, at the moment, the valve body is provided with no flashboard, a water path is smooth, and the water baffle plate, the sealing cover and the fixed valve cover on the upper part of the valve body are used for sealing and stopping water.

When the valve needs to be closed, the fixed valve cover 9 is taken down, the opening and closing valve cover 3 is installed on the upper portion of the valve body 15, fastening bolts are screwed, the sealing cover 12 is taken down, the upper pull plate support 5 is installed at the positions of 4 bolt holes of the fixed sealing cover 12, the stretching screw 7 is connected with the pull plate support 5 through threads (known technology), one end of the stretching screw 7 is connected with the water baffle 13 through the U-shaped connection 6, then the stretching screw 7 is rotated to pull out the water baffle 13, after the water baffle 13 is pulled out, the water baffle 13 is not pulled out completely, the water baffle 4 is pulled out until the gate 4 is not blocked to descend, a handle 8 on the opening and closing valve cover is manually rotated to drive the valve rod 2 to rotate, so that the valve 4 moves downwards to enter the inner bottom of the valve body to achieve the purpose of water stopping, at the time, water in the valve body is not pressurized, the fastening bolts of the opening and closing valve cover 3 and the valve body 15, at the moment, the flashboard 4 is left in the valve body, the opening and closing valve cover 3 is taken down, the fixed valve cover 9 and the valve body are screwed by bolts again, the pulling plate bracket 5 and the water baffle 13 are taken down, the sealing cover 12 is installed again, the water stopping procedure is completed, the aim of preventing water burglary is achieved, and if the opening and closing valve cover 3 matched with the opening and closing valve cover is not available, the valve cannot be opened for water flowing.

When the valve is reopened, the fixed valve cover 9 is removed again, the valve rod 2 of the open-close valve cover 3 is aligned with the screw hole of the gate plate nut 1 on the gate plate 4 in the valve body 15, the open-close valve cover 3 is rotated to make the valve rod 2 screwed into the gate plate nut 1 in the gate plate 4, then the open-close valve cover 3 is connected with the valve body 15 and fastened by fastening bolt, then the sealing cover 12 is removed, the water baffle 13 is put into the baffle inlet, the pull plate bracket 5 and the stretching screw 7 are reinstalled by using 4 bolt holes of the fixed sealing cover 12, and connected with the water baffle 13 by the U-shaped connection 6, the stretching screw 7 is slightly rotated to make the water baffle 13 move forward and stop through the rubber seal ring 11 in the valve body 15, namely, the gate plate 4 is not blocked to be lifted out, then the handle 8 is rotated, the valve rod rotates to drive the gate plate 4 to move upwards, so that the, the water pressure in the valve body is consistent with that of the pipeline. And then the stretching screw 7 is rotated to push the water baffle 13 into the valve body 15 completely, and the water baffle 13 and the rubber seal ring 11 are tightly pressed under the action of water pressure, so that the water stopping purpose is achieved. Then the pulling plate bracket 5 is detached, the sealing cover 12 is installed, the opening-closing valve cover 3 is taken down, the fixed valve cover 9 is screwed with the valve body by bolts, at the moment, the flashboard 4 is not arranged in the valve body, and the valve returns to a normal water-passing state.

The invention has simple structure and convenient operation, and compared with the prior art, the invention has the following advantages:

1. the water theft prevention valve is light in weight and convenient to install, the weight of the water theft prevention valve is only half of that of a common valve, and lifting equipment is not needed, so that the water theft prevention valve can be lifted and installed manually;

2. the valve has good water theft prevention performance, the common hand wheel valve and the self-locking valve which are used at present can be obtained everywhere due to self-locking keys, and the valve can be opened very conveniently by a user after water is cut off;

3. the valve has the advantages that the manufacturing cost is low, the valve body is not provided with flashboards, lead screws and other accessories, the material is greatly reduced compared with a common gate valve, the manufacturing cost is greatly reduced, the cost is reduced by about more than 40%, the installation quantity of the valve can be reduced by installing the opening and closing valve cover, the valve can be used for pipeline design requirements, the valve must be installed for maintenance, the valve is not used for a long time, the valve can be closed or opened in a planned way by installing the valve, a large amount of funds are saved, and the social and economic benefits are.