Corrugated pipe sealing stop valve with leak detection device

Abstract

The utility model relates to the technical field of stop valves, in particular to a corrugated pipe sealing stop valve with a leak detection device, which comprises a stop valve main body and a valve rod, an upper support plate and a lower support plate are mounted on two sides of the stop valve main body, the upper support plate and the lower support plate are connected and mounted through a bolt, and the leak detection device is mounted on the valve rod. A base is mounted at the top of the upper supporting plate, a limiting groove is formed in the top end of the base, a lifting rod is mounted in the limiting groove, a liquid storage tank is mounted at the top of the lifting rod, and the outer surface of the top of the stop valve body is sleeved with the liquid storage tank; the corrugated pipe sealing stop valve with the leak detection device has the advantages that the upper supporting plate, the lower supporting plate, the base, the lifting rod and the liquid storage tank are used in cooperation, overflowing liquid can be conveniently stored in a short time, and it is avoided that when leakage occurs, the leakage detection device is damaged, and the leakage detection device is damaged. The liquid overflows to pollute the environment when an operator fails to close the stop valve in time, and the overflowed liquid can be conveniently recycled and reused.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of stop valve, concretely to a corrugated pipe sealing stop valve with leak detection device. BACKGROUND

[0002] The most basic function of the stop valve is to cut off the fluid in the pipeline. When the valve is completely closed, the valve disc and the valve seat are tightly attached, which can prevent the fluid from passing through. It can also adjust the flow of liquid in the pipeline while preventing backflow of liquid. The corrugated pipe sealing stop valve is a valve that uses a corrugated pipe as a sealing element. The corrugated pipe is a metal element with stretchability, which is installed at the valve stem. One end of the corrugated pipe is tightly welded to the valve stem, and the other end is ingeniously placed between the valve body and the valve cover, forming a static sealing structure to enhance the airtightness of the stop valve.

[0003] The existing corrugated pipe sealing stop valve with leak detection device installs a leak detection device on the outside or inside of the valve to monitor the leakage of the corrugated pipe sealing. If leakage is detected, the leak detection device will issue an alarm or signal to remind the operator to take timely measures to handle it.

[0004] However, the above-mentioned corrugated pipe sealing stop valve with leak detection device uses an alarm to wait for the arrival of the operator. During this process, the liquid inside the stop valve may leak out, causing environmental pollution and wasting resources. Therefore, the utility model provides a corrugated pipe sealing stop valve with leak detection device to solve the problems mentioned above. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a corrugated pipe sealing stop valve with leak detection device to solve the problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a corrugated pipe sealing stop valve with leak detection device, comprising: a stop valve body and a valve stem, the two sides of the stop valve body are both installed with upper support plates and lower support plates, which are installed through bolt connection between the upper support plates and the lower support plates;

[0007] The top of the upper support plate is installed with a base, the top end of the base is provided with a limiting groove, and the limiting groove is installed with a lifting rod inside, the top of the lifting rod is installed with a liquid storage tank, and the liquid storage tank is sleeved on the top outer surface of the stop valve body and located at the junction between the stop valve body and the valve stem outer end.

[0008] Preferably, the sidewall of the lifting rod is fixed with a sliding block at the low end, the lifting rod is installed with a first spring at the low end, and the low end of the first spring is fixed in the base and located at the bottom end of the limiting groove.

[0009] Preferably, the side wall of the sliding block is provided with a placing groove, a second spring is arranged in the center of the placing groove, and clamping blocks are arranged at the two ends of the second spring.

[0010] Preferably, the side wall of the base is provided with a plurality of holes, and the outer ends of the clamping blocks pass through the two sides of the placing groove and the interiors of the holes.

[0011] Preferably, the side wall of the base is provided with a limiting ring, and a lifting block is arranged in the interior of the limiting ring.

[0012] Preferably, ring plates are arranged at the two ends of the lifting block, and the lifting block and the ring plates are movably connected through connecting bolts.

[0013] Preferably, the inner walls of the outer ends of the ring plates are fixedly provided with elongated rods, and the inner ends of the elongated rods are attached to the outer surfaces of the clamping blocks.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The corrugated pipe sealing stop valve with the leak detection device disclosed by the utility model utilizes the cooperation between the upper supporting plate, the lower supporting plate, the base, the lifting rod and the liquid storage tank, so that the overflow liquid can be stored for a short time, the liquid overflow caused by the failure of the operator to timely close the stop valve when leakage occurs can be avoided, and the recycling and utilization of the overflow liquid are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective structural schematic view of the corrugated pipe sealing stop valve of the utility model;

[0017] Figure 2 It is a perspective structural schematic view of the upper supporting plate and the base of the utility model;

[0018] Figure 3 It is a perspective structural schematic view of the lifting rod in the limiting groove of the utility model;

[0019] Figure 4 It is a perspective structural schematic view of the fixing and dismounting of the clamping block in the lifting rod of the utility model.

[0020] In the drawing: 1, stop valve main body; 2, valve rod; 3, upper supporting plate; 4, lower supporting plate; 5, bolt; 6, base; 7, limiting groove; 8, lifting rod; 9, liquid storage tank; 10, sliding block; 11, first spring; 12, placing groove; 13, second spring; 14, clamping block; 15, hole; 16, limiting ring; 17, lifting block;

[0021] 18, ring plate; 19, connecting bolt; 20, elongated rod. DETAILED DESCRIPTION

[0022] In order to make the utility model purposes, technical scheme carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belongs to the scope of the utility model protection.

[0023] Embodiment one

[0024] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a corrugated pipe sealing stop valve with leak detection device, comprising: stop valve main body 1 and valve stem 2, the both sides of stop valve main body 1 are equipped with upper support plate 3 and lower support plate 4, and upper support plate 3 and lower support plate 4 are connected and installed by bolt 5 between them;

[0025] The top of upper support plate 3 is equipped with base 6, the top of base 6 is provided with limiting slot 7, limiting slot 7 is equipped with lifting rod 8 in its inside, and lifting rod 8 is equipped with liquid storage tank 9 on its top, which is sleeved on the top outer surface of stop valve main body 1 and located at the junction of stop valve main body 1 and valve stem 2 outer end;

[0026] When using, upper support plate 3 and lower support plate 4 are fixedly connected by bolt 5, which facilitates the movable support of base 6 and lifting rod 8 to liquid storage tank 9, facilitates the placement of liquid storage tank 9 at the junction of stop valve main body 1 and valve stem 2 outer end, facilitates the addition of liquid to liquid storage tank 9, so that the liquid is above the interface surface of stop valve main body 1 and valve stem 2 outer end, and whether there is bubble or liquid drop is detected to determine whether the airtightness of stop valve main body 1 is good, while liquid storage tank 9 can store the overflow liquid for a short time when using, to avoid the pollution to environment caused by liquid overflow when the operator fails to close stop valve in time, and also facilitates the recycling and utilization of overflow liquid.

[0027] Embodiment two

[0028] In order to facilitate the fixation of liquid storage tank 9 on the basis of embodiment one, sliding block 10 is fixed to the low end of the side wall of lifting rod 8, first spring 11 is installed to the low end of lifting rod 8, the low end of first spring 11 is fixed in the inside of base 6 and located at the bottom end of limiting slot 7, placing slot 12 is formed in the side wall of sliding block 10, second spring 13 is installed in the inside center of placing slot 12, clamping block 14 is installed to the both ends of second spring 13, and a plurality of holes 15 are formed in the side wall of base 6, the outer end of clamping block 14 penetrates through both sides of placing slot 12 and passes through the inside of hole 15;

[0029] When in use, the lifting rod 8 is tightly attached to the inner bottom of the liquid storage tank 9 under the upward force provided by the first spring 11, and the base 6 and the lifting rod 8 are fixed by the outward force provided by the second spring 13 to the clamping block 14, which penetrates into the hole 15, so as to avoid the shaking of the liquid storage tank 9 when collecting liquid.

[0030] Example Three

[0031] In order to facilitate the lifting movement of the lifting rod 8 and the downward movement of the liquid storage tank 9, so as not to affect the disassembly, maintenance and replacement between the stop valve body 1 and the valve rod 2, the side wall of the base 6 is provided with a limiting ring 16, the limiting ring 16 is internally provided with a lifting block 17, the two ends of the lifting block 17 are provided with ring plates 18, the lifting block 17 and the ring plates 18 are movably connected through connecting bolts 19, the inner walls of the outer ends of the ring plates 18 are fixedly provided with elongated rods 20, and the inner ends of the elongated rods 20 are attached to the outer surfaces of the clamping blocks 14.

[0032] When in use, the lifting block 17 in the ring plate 18 is moved to the highest point, so that the elongated rods 20 on the inner walls of the ring plates 18 are attached to the clamping blocks 14, the ring plates 18 are pressed from the outer ends, the clamping blocks 14 are moved into the placing grooves 12 in the sliding blocks 10 by the elongated rods 20, the liquid storage tank 9 is pressed downward, the clamping blocks 14 are moved to the lowest holes 15, and the clamping blocks 14 are moved outward under the force provided by the second spring 13, so as to fix the lifting rod 8, and then the disassembly between the stop valve body 1 and the valve rod 2 is facilitated.

[0033] In actual use, the upper support plate 3 and the lower support plate 4 are fixedly connected through the bolts 5, the base 6 and the lifting rod 8 movably support the liquid storage tank 9, the lifting rod 8 tightly abuts the inner bottom of the liquid storage tank 9 to the top end of the stop valve body 1 under the upward action of the first spring 11, the clamping block 14 is inserted into the hole 15 under the outward action force of the second spring 13, the base 6 and the lifting rod 8 are fixed, the liquid storage tank 9 is placed at the joint of the stop valve body 1 and the outer end of the valve rod 2, liquid can be added into the liquid storage tank 9, the liquid is higher than the interface surface of the stop valve body 1 and the outer end of the valve rod 2, whether there is bubble or liquid drop is used to detect whether the sealing property of the stop valve body 1 is good, meanwhile, the liquid storage tank 9 can store the overflow liquid for a short time, when leakage occurs, the operator cannot close the stop valve in time, the liquid overflow pollutes the environment, the overflow liquid is recycled and utilized, the lifting block 17 in the ring plate 18 moves to the highest point, the slender rod 20 on the inner wall of the ring plate 18 abuts the clamping block 14, the ring plate 18 is pressed, the clamping block 14 is moved into the placing groove 12 in the sliding block 10, the liquid storage tank 9 is pressed downward, the clamping block 14 is moved to the lowest hole 15, the clamping block 14 is moved outward under the action force of the second spring 13, the lifting rod 8 is fixed, then the stop valve body 1 and the valve rod 2 are conveniently disassembled.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bellows seal globe valve with leak detection comprising: The utility model provides a cut -off valve body (1) and valve stem (2), it is characterized by: two sides of cut -off valve body (1) are equipped with upper support plate (3) and lower support plate (4), and upper support plate (3) and lower support plate (4) are connected by bolt (5) installation between them, The top of upper support plate (3) is equipped with base (6), the top of base (6) is provided with limiting slot (7), limiting slot (7) is installed lifting rod (8) in, and the top of lifting rod (8) is equipped with liquid storage tank (9), liquid storage tank (9) is sleeved on the top outer surface of cut -off valve body (1) and is located cut -off valve body (1) and valve stem (2) outer end junction.

2. A bellows seal globe valve with leak detection according to claim 1, wherein: The low end of the side wall of lifting rod (8) is fixed with sliding block (10), and the low end of lifting rod (8) is equipped with first spring (11), and the low end of first spring (11) is fixed in the inside of base (6) and is located the bottom of limiting slot (7).

3. A bellows seal globe valve with leak detection according to claim 2, wherein: The side wall of sliding block (10) is provided with placing groove (12), and the inside center of placing groove (12) is equipped with second spring (13), and the both ends of second spring (13) are equipped with clamping block (14).

4. A bellows seal globe valve with leak detection according to claim 1, wherein: The side wall of base (6) is provided with a plurality of holes (15), and the outer end of clamping block (14) penetrates the both sides of placing groove (12) and passes through the inside of hole (15).

5. A bellows seal globe valve with leak detection according to claim 1, wherein: The side wall of base (6) is equipped with limiting ring (16), and the inside of limiting ring (16) is equipped with lifting block (17).

6. A bellows seal globe valve with leak detection according to claim 5 wherein: The both ends of lifting block (17) are equipped with ring plate (18), and lifting block (17) and ring plate (18) are movably connected by connecting bolt (19).

7. A bellows seal globe valve with leak detection according to claim 6, wherein: The inner wall of the outer end of ring plate (18) is fixed with elongated rod (20), and the inner end of elongated rod (20) is attached to the outer surface of clamping block (14).

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