CN212718208U

CN212718208U - Domestic check sealing stop valve

Info

Publication number: CN212718208U
Application number: CN202021298384.7U
Authority: CN
Inventors: 钟连在; 钟圣凯
Original assignee: Fushan Valve Industry Dongtai Co ltd
Current assignee: Fushan Valve Industry Dongtai Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-16
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a domestic check leakproofness stop valve, which comprises a valve body, inhalant canal has been seted up to the left end of valve body, exhalant canal has been seted up to the right-hand member of valve body, it is equipped with sealed chamber to go out between inhalant canal and inhalant canal, the sealed mounting disc that is fixed with in upper end in sealed chamber, the middle part of mounting disc is fixed with sealed sleeve pipe, the edge of mounting disc is fixed nested has a sealed section of thick bamboo, the below of mounting disc is provided with sealed dish, the upside surface edge of sealed dish is fixed with the slide bar, the spring has been cup jointed on the surface of slide bar, sealed sheathed tube's middle part is nested has the valve rod, the lower extreme screw thread of valve rod runs through the mounting disc and is. The utility model discloses can reach the effect of check valve, can reach the effect of stop valve again, a valve is dual-purpose, has practiced thrift the cost, has improved the piping erection efficiency.

Description

Domestic check sealing stop valve

Technical Field

The utility model relates to a stop valve field, concretely relates to domestic sealing nature stop valve that ends.

Background

The stop valve is a tool which makes the sealing surface of the valve clack and the sealing surface of the valve seat tightly fit by the pressure of a valve rod to prevent medium from flowing, belongs to a forced sealing valve and is one of the most widely used valves. The stop valve is divided into a straight-through stop valve, an angle stop valve and a plunger stop valve according to the channel direction.

At present, in the traditional pipeline installation, in order to control the backflow phenomenon of the conveying medium and control the conveying flow, a check valve and a stop valve are generally installed on a conveying branch; a check valve and a stop valve are simultaneously installed on the pipeline, so that the operation is more complicated, and the cost is higher.

Therefore, it is necessary to invent a household non-return sealing stop valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a domestic check leakproofness stop valve, through being provided with the spring, the slide bar, a sealed section of thick bamboo and stripper plate, when inlet channel supplies the liquid, the pressure jack-up sealed dish of liquid, make liquid can carry to outlet channel through the clearance between sealed dish and seal port, when inlet channel stops supplying the liquid, the sealed dish is at the spring, the gravity of self seals the seal port under with liquid pressure effect, can effectually prevent the liquid reflux, reach the effect of check valve, rotate the hand wheel simultaneously, make the stripper plate move down the extrusion sealed dish, extrude fixedly to the sealed dish, reach the effect of stop valve, a valve is dual-purpose, and the cost is saved, and the pipeline installation efficiency is improved, and the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: the domestic check sealing stop valve comprises a valve body, wherein a water inlet channel is formed in the left end of the valve body, a water outlet channel is formed in the right end of the valve body, a sealing cavity is formed between the water outlet channel and the water inlet channel, a sealing opening is formed between the sealing cavity and the water inlet channel, a valve cover is fixed at the top end of the valve body, a mounting disc is fixed at the upper end of the sealing cavity in a sealing manner, a sealing sleeve is fixed in the middle of the mounting disc, sealing cylinders are fixed and nested at the edge of the mounting disc, the number of the sealing cylinders is three, the three sealing cylinders are distributed on the surface of the mounting disc in an annular array manner, a sealing disc is arranged below the mounting disc, sliding rods are fixed at the edge of the upper side surface of the sealing disc, the number of the sliding rods is three, the three sliding rods are distributed on the sealing disc in an annular array manner, and the upper ends of the, the surface of slide bar has cup jointed the spring, seal sleeve's middle part nestification has the valve rod, it has the sealing member to fill the activity between valve rod and the seal sleeve's the inner wall, the upper end screw thread of valve rod runs through the valve gap and is connected with the hand wheel, the lower extreme screw thread of valve rod runs through the mounting disc and is connected with the stripper plate.

Preferably, the sliding rod is in sliding connection with the sealing cylinder.

Preferably, the upper end of the spring is in contact with the bottom surface of the mounting plate, and the lower end of the spring is in contact with the upper side surface of the sealing plate.

Preferably, the sliding rod and the sealing disc are processed into an integrated structure.

Preferably, the sealing cylinder and the mounting disc are processed into an integrated structure.

Preferably, a first sealing ring is arranged at the joint of the valve cover and the valve body.

Preferably, a second sealing ring is fixed on the edge of the upper end of the sealing opening, and a third sealing ring is fixed at the bottom of the sealing disc.

In the technical scheme, the utility model provides a technological effect and advantage:

through being provided with the spring, the slide bar, sealed cylinder and stripper plate, when inhalant canal supplied liquid, the pressure jack-up sealed dish of liquid, make liquid can carry to exhalant canal through the clearance between sealed dish and sealed mouthful, when inhalant canal stopped to supply liquid, sealed dish is at the elastic force effect of spring, the sealed mouthful is sealed under the gravity of self and the liquid pressure effect of returning, can effectually prevent the liquid backward flow, reach the effect of check valve, the hand wheel rotates simultaneously, make the stripper plate move down the extrusion sealed dish, it is fixed to extrude sealed dish, reach the effect of stop valve, a valve is dual-purpose, the cost is saved, the pipeline installation efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the sealing disc structure of the present invention;

fig. 3 is a schematic structural view of the mounting plate of the present invention;

fig. 4 is a sectional view of the mounting plate of the present invention.

Description of reference numerals:

the water-saving valve comprises a valve body 1, a water inlet channel 2, a water outlet channel 3, a sealing cavity 4, a sealing opening 5, a valve cover 6, a mounting disc 7, a sealing sleeve 8, a sealing barrel 9, a sealing disc 10, a sliding rod 11, a spring 12, a valve rod 13, a sealing element 14, a hand wheel 15 and a squeezing plate 16.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a domestic check sealing stop valve as shown in figures 1-4, which comprises a valve body 1, wherein the left end of the valve body 1 is provided with a water inlet channel 2, the right end of the valve body 1 is provided with a water outlet channel 3, a sealing cavity 4 is arranged between the water outlet channel 3 and the water inlet channel 2, a sealing port 5 is arranged between the sealing cavity 4 and the water inlet channel 2, the top end of the valve body 1 is fixed with a valve cover 6, the upper end of the sealing cavity 4 is sealed and fixed with a mounting disc 7, the middle part of the mounting disc 7 is fixed with a sealing sleeve 8, the edge of the mounting disc 7 is fixed with a nested sealing cylinder 9, the number of the sealing cylinders 9 is three, the sealing cylinders 9 are distributed on the surface of the mounting disc 7 in an annular array, a sealing disc 10 is arranged below the mounting disc 7, a sliding rod 11 is fixed on the edge of the upper surface of the sealing disc 10, the quantity of slide bar 11 is provided with threely, three slide bar 11 is that the annular array distributes on sealed dish 10, and is three the upper end of slide bar 11 is nested respectively threely in the sealed section of thick bamboo 9, spring 12 has been cup jointed on the surface of slide bar 11, the middle part of sealing sleeve 8 is nested has valve rod 13, it has sealing member 14 to have the activity packing between the inner wall of valve rod 13 and sealing sleeve 8, the upper end screw thread of valve rod 13 runs through valve gap 6 and is connected with hand wheel 15, the lower extreme screw thread of valve rod 13 runs through mounting disc 7 and is connected with stripper plate 16.

Further, in the above technical solution, the sliding rod 11 and the sealing cylinder 9 are slidably connected, so that when the sealing disk 10 is jacked up by the liquid pressure, the sealing disk 10 drives the sliding rod 11 to move upwards, so that the sliding rod 11 can be retracted in the sealing cylinder 9.

Further, in the above technical solution, the upper end of the spring 12 contacts the bottom surface of the mounting plate 7, the lower end of the spring 12 contacts the upper side surface of the sealing plate 10, the sealing plate 10 can contact the sealing port 5 by the elastic force of the spring 12, and the liquid backflow is avoided.

Further, in the above technical scheme, the sliding rod 11 and the sealing disk 10 are processed into an integrated structure, so that the connection strength between the sliding rod 11 and the sealing disk 10 is improved, and the connection firmness between the sliding rod 11 and the sealing disk 10 is improved.

Furthermore, in the above technical scheme, the sealing cylinder 9 and the mounting disk 7 are processed into an integrated structure, so that the connection strength between the sealing cylinder 9 and the mounting disk 7 is improved, and the connection firmness between the sealing cylinder 9 and the mounting disk 7 is improved.

Further, in the above technical scheme, the joint of the valve cover 6 and the valve body 1 is provided with the first sealing ring, so that the sealing performance of the connection of the valve cover 6 and the valve body 1 is improved, and the leakage-proof performance is improved.

Furthermore, in the above technical scheme, the edge of the upper end of the sealing opening 5 is fixed with a second sealing ring, and the bottom of the sealing plate 10 is fixed with a third sealing ring, so that the sealing performance between the sealing plate 10 and the sealing opening 5 is improved, and the leakage-proof performance is improved.

The implementation mode is specifically as follows: when the water inlet channel 2 supplies liquid, the pressure of the liquid jacks up the sealing disc 10, the sealing disc 10 drives the sliding rod 11 to move upwards, so that the sliding rod 11 can be contracted in the sealing cylinder 9, meanwhile, the sealing disc 10 extrudes the spring 12, so that the spring 12 is contracted, the liquid is conveyed to the water outlet channel 3 through a gap between the sealing disc 10 and the sealing port 5, when the water inlet channel 2 stops supplying the liquid, the sealing disc 10 moves downwards under the action of the elastic force of the spring 12, the gravity of the sealing disc 10 and the liquid return pressure to the sealing port 5, the sealing port 5 can be effectively sealed, the liquid can be effectively prevented from flowing backwards, the effect of a check valve is achieved, the upper end edge of the sealing port 5 is fixedly provided with a second sealing ring, the bottom of the sealing disc 10 is fixedly provided with a third sealing ring, the sealing performance between the sealing disc 10 and the sealing port 5 is improved, the leakage-proof performance is, the stripper plate 16 moves down and seals the contact of dish 10, extrudees sealed dish 10 fixedly, reaches the effect of stop valve, and a valve is dual-purpose, has practiced thrift the cost, has improved the piping erection efficiency, and this embodiment has specifically solved the check valve of installation simultaneously and a stop valve that exists among the prior art on the pipeline, and its operation is more loaded down with trivial details, the higher problem of cost moreover.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. Domestic check leakproofness stop valve ends, including valve body (1), its characterized in that: inhalant canal (2) has been seted up to the left end of valve body (1), exhalant canal (3) has been seted up to the right-hand member of valve body (1), be equipped with sealed chamber (4) between exhalant canal (3) and inhalant canal (2), be equipped with sealed mouth (5) between sealed chamber (4) and inhalant canal (2), the top of valve body (1) is fixed with valve gap (6), the sealed upper end that is fixed with mounting disc (7) of sealed chamber (4), the middle part of mounting disc (7) is fixed with seal sleeve (8), the edge of mounting disc (7) is fixed nestedly has sealed section of thick bamboo (9), the quantity of sealed section of thick bamboo (9) is provided with three, three sealed section of thick bamboo (9) are the surface of annular array distribution at mounting disc (7), the below of mounting disc (7) is provided with sealed dish (10), the upside surface edge of sealed dish (10) is fixed with slide bar (11), the quantity of slide bar (11) is provided with threely, three slide bar (11) are the annular array and distribute on sealed dish (10), and is three the upper end of slide bar (11) is nested respectively threely in sealed section of thick bamboo (9), spring (12) have been cup jointed on the surface of slide bar (11), the middle part nestification of sealed sleeve pipe (8) has valve rod (13), it has sealing member (14) to fill in the activity between the inner wall of valve rod (13) and sealed sleeve pipe (8), the upper end screw thread of valve rod (13) runs through valve gap (6) and is connected with hand wheel (15), the lower extreme screw thread of valve rod (13) runs through mounting disc (7) and is connected with stripper plate (16).

2. A domestic non-return sealing stop valve according to claim 1, characterized in that: the sliding rod (11) is in sliding connection with the sealing cylinder (9).

3. A domestic non-return sealing stop valve according to claim 1, characterized in that: the upper end of the spring (12) is in contact with the bottom surface of the mounting plate (7), and the lower end of the spring (12) is in contact with the upper side surface of the sealing plate (10).

4. A domestic non-return sealing stop valve according to claim 1, characterized in that: the sliding rod (11) and the sealing disc (10) are processed into an integrated structure.

5. A domestic non-return sealing stop valve according to claim 1, characterized in that: the sealing cylinder (9) and the mounting disc (7) are processed into an integrated structure.

6. A domestic non-return sealing stop valve according to claim 1, characterized in that: and a first sealing ring is arranged at the joint of the valve cover (6) and the valve body (1).

7. A domestic non-return sealing stop valve according to claim 1, characterized in that: the edge of the upper end of the sealing opening (5) is fixed with a second sealing ring, and the bottom of the sealing disc (10) is fixed with a third sealing ring.