CN211738054U

CN211738054U - Single-shaft double-baffle valve

Info

Publication number: CN211738054U
Application number: CN202020113865.XU
Authority: CN
Inventors: 张键青; 徐晓燕
Original assignee: Jiaozhou Sanneng Boiler Equipment Co ltd
Current assignee: Jiaozhou Sanneng Boiler Equipment Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-23
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to a plate valve technical field, especially be unipolar double-baffle plate valve, including flange and valve body, the equal fixedly connected with flange of valve body left and right terminal surface, the rotation is connected with the pivot in the valve body inside, the pivot outside fixedly connected with rotor plate, rotor plate right-hand member face fixedly connected with right unit baffle, rotor plate left-hand member face fixedly connected with left unit baffle, the right unit baffle outside fixedly connected with first sealing ring, the left unit baffle outside all fixedly connected with first sealing ring, the rotor plate upper and lower both sides all are equipped with the fixed plate; in the utility model, the rotating shaft, the first sealing ring, the fixing plate and the second sealing ring are arranged, the first sealing ring and the second sealing ring are in contact, and a labyrinth sealing surface is adopted, so that the sealing form has the advantage that even if the baffle is deformed under the influence of temperature, the influence on the sealing surface is not great; moreover, the double-layer baffle plate is sealed, and the sealing performance of the plate valve is doubled.

Description

Single-shaft double-baffle valve

Technical Field

The utility model relates to a plate valve technical field specifically is two flapper valves of unipolar.

Background

Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. The valves are used for the valves of the fluid control system, from the simplest stop valve to various valves used in an extremely complex automatic control system, the variety and the specification of the valves are quite various, and the valves can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The smoke and air valve is applied to an inclined pipeline and plays a role in controlling medium flow, the temperature of the pipeline is high, medium corrosivity is high, the traditional plate valve is sealed by a plate pressing plate, the baffle is easy to deform in a pipeline temperature environment, sealing is not tight, and expected effects cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two flapper valves of unipolar to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the single-shaft double-baffle valve comprises a flange and a valve body, wherein the left end surface and the right end surface of the valve body are fixedly connected with the flange, the interior of the valve body is rotatably connected with a rotating shaft, the outer side of the rotating shaft is fixedly connected with a rotating plate, the right end surface of the rotating plate is fixedly connected with a right unit baffle, the left end surface of the rotating plate is fixedly connected with a left unit baffle, the outer side of the right unit baffle is fixedly connected with a first sealing ring, the outer side of the left unit baffle is fixedly connected with a first sealing ring, the upper side and the lower side of the rotating plate are respectively provided with a fixed plate, the right end surface of the fixed plate positioned above and the left end surface of the fixed plate positioned below are respectively fixedly connected with a connecting plate, the other end of the connecting plate is respectively fixedly connected with a second sealing ring, the front side of the, the tail end of the main shaft of the rotating motor is fixedly connected with the worm, and the rear end face of the fixing box is fixedly connected with the valve body.

Preferably, first sealing ring quantity is two, and first sealing ring all is located the terminal surface about the right unit baffle, first sealing ring is central symmetry setting about right unit baffle center pin, right unit baffle left end is oval setting.

Preferably, the cross section of the second sealing ring is E-shaped, the cross section of the first sealing ring is pi-shaped, the first sealing ring and the second sealing ring are both U-shaped, and the outer side of the first sealing ring is in close contact with the second sealing ring.

Preferably, the connecting plates are four in number and are all arranged in a U shape, and the connecting plates are arranged in a central symmetry mode about the central axis of the rotating shaft.

Preferably, the number of the first sealing rings and the number of the second sealing rings are both 2, and the first sealing rings and the second sealing rings are both formed by plates made of rubber materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the rotating shaft, the rotating plate, the right unit baffle, the left unit baffle, the first sealing ring, the fixed plate and the second sealing ring are arranged, the first sealing ring and the second sealing ring are in contact, and a labyrinth sealing surface is adopted, so that the sealing form has the advantages that even if the baffle is deformed under the influence of temperature, the influence on the sealing surface is not great; moreover, the sealing performance of the plate valve is doubled by adopting the double-layer baffle plate for sealing;

2. the utility model discloses in, through connecting plate, fixed case, worm wheel, worm and the rotation motor that sets up, through the mutual transmission of worm wheel and worm to realize the rotation of pivot, thereby realize closing and opening of valve, need not artifical handheld, and this kind sets up auto-lock ability reinforce, and the worm wheel can not drive the worm and rotate, guarantees its sealing quality.

Drawings

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

FIG. 2 is a schematic view of the worm gear of the present invention;

FIG. 3 is a schematic diagram of the structure of the rotating plate of the present invention;

fig. 4 is a schematic view of the first sealing ring mounting structure of the present invention;

fig. 5 is a schematic view of a second sealing ring mounting structure of the present invention.

In the figure: 1-flange, 2-valve body, 3-rotating shaft, 4-rotating plate, 5-right unit baffle, 6-left unit baffle, 7-first sealing ring, 8-fixing plate, 9-second sealing ring, 10-connecting plate, 11-fixing box, 12-worm wheel, 13-worm and 14-rotating motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-5, the present invention provides a technical solution:

a single-shaft double-baffle plate valve comprises a flange 1 and a valve body 2, wherein the left end surface and the right end surface of the valve body 2 are fixedly connected with the flange 1, the inner part of the valve body 2 is rotatably connected with a rotating shaft 3, the outer side of the rotating shaft 3 is fixedly connected with a rotating plate 4, the right end surface of the rotating plate 4 is fixedly connected with a right unit baffle 5, the left end surface of the rotating plate 4 is fixedly connected with a left unit baffle 6, the outer side of the right unit baffle 5 is fixedly connected with a first sealing ring 7, the outer side of the left unit baffle 6 is fixedly connected with a first sealing ring 7, the upper side and the lower side of the rotating plate 4 are respectively provided with a fixing plate 8, the fixing plate 8 plays the role of reinforcing a connecting rod 10, compared with the traditional plate valve, the sealing effect of the double-baffle plate valve is doubled, the right end surface of the fixing, the front side of the rotating shaft 3 is fixedly connected with a worm wheel 12, the outer side of the worm wheel 12 is meshed with a worm 13, the upper end face of the worm 13 is rotatably connected with a fixed box 11, the inner side of the lower end face of the fixed box 11 is fixedly connected with a rotating motor 14, the tail end of a main shaft of the rotating motor 14 is fixedly connected with the worm 13, the rear end face of the fixed box 11 is fixedly connected with the valve body 2, the worm wheel 12 and the worm 13 can only transmit power in a single direction, only the worm 13 can drive the worm wheel 12 to rotate, the worm wheel 12 cannot drive the worm 13 to.

The number of the first sealing rings 7 is two, the first sealing rings 7 are all positioned on the left end surface and the right end surface of the right unit baffle 5, the first sealing rings 7 are arranged in a central symmetry mode about the central axis of the right unit baffle 5, the left end surface of the right unit baffle 5 is arranged in an oval mode, the cross section of the second sealing ring 9 is arranged in an E mode, the cross section of the first sealing ring 7 is arranged in a pi mode, the first sealing rings 7 and the second sealing rings 9 are arranged in a U mode, the outer sides of the first sealing rings 7 are tightly contacted with the second sealing rings 9, the sealing effect is ensured in a clamping type sealing mode, the number of the connecting plates 10 is four, the connecting plates 10 are arranged in a U mode, the connecting plates 10 are arranged in a central symmetry mode about the central axis of the rotating shaft 3, the periphery of the baffle is provided with the connecting plates 10, the sealing performance is ensured, the number of the first sealing rings 7 and the number of the second sealing rings 9 are 2, the sealing performance of the device is still good even if the temperature in the pipeline is high, and the sealing performance of the baffle can be guaranteed even if the baffle deforms due to high temperature.

The working process is as follows: when the valve body 2 is used, a power supply is connected, the valve body 2 is connected with a pipeline through the flange 1, when the pipeline needs to be closed, the worm 13 is driven to rotate by starting the rotating motor 14, the worm 13 drives the worm wheel 12 to rotate, the worm wheel 12 drives the rotating shaft 3 to rotate, the rotating shaft 3 can drive the rotating plate 4 to rotate, the rotating plate 4 rotates to enable the right unit baffle 5 and the left unit baffle 6 to rotate, the first sealing ring 7 rotates to be tightly attached to the second sealing ring 9 on the outer side of the connecting plate 10, the sealing effect is achieved, the sealing surface adopts a labyrinth type sealing mode, the sealing quality is guaranteed, and even if the baffle deforms under the influence of temperature, the influence on the sealing surface is small; moreover, the double-layer baffle plate is sealed, and the sealing performance of the plate valve is doubled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Two flapper valves of unipolar includes flange (1) and valve body (2), its characterized in that: the flange (1) is fixedly connected to the left end face and the right end face of the valve body (2), the rotating shaft (3) is rotatably connected to the interior of the valve body (2), the rotating plate (4) is fixedly connected to the outer side of the rotating shaft (3), the right end face of the rotating plate (4) is fixedly connected to the right unit baffle (5), the left end face of the rotating plate (4) is fixedly connected to the left unit baffle (6), the first sealing ring (7) is fixedly connected to the outer side of the right unit baffle (5), the first sealing ring (7) is fixedly connected to the outer side of the left unit baffle (6), the fixing plates (8) are arranged on the upper side and the lower side of the rotating plate (4), the connecting plate (10) is fixedly connected to the right end face of the fixing plate (8) above and the left end face of the fixing plate (8) below, pivot (3) front side fixedly connected with worm wheel (12), worm wheel (12) outside meshing has worm (13), worm (13) up end rotates and is connected with stationary box (11), stationary box (11) lower extreme face inboard fixedly connected with rotates motor (14), rotate motor (14) main shaft terminal and worm (13) fixed connection, stationary box (11) rear end face and valve body (2) fixed connection.

2. The single-shaft dual-flapper valve of claim 1, wherein: first sealing ring (7) quantity is two, and first sealing ring (7) all are located terminal surface about right unit baffle (5), first sealing ring (7) are central symmetry setting about right unit baffle (5) center pin, right side unit baffle (5) left end face is oval setting.

3. The single-shaft dual-flapper valve of claim 1, wherein: the transversal E type setting of personally submitting of second sealing ring (9), the transversal setting of personally submitting "pi" type of first sealing ring (7), first sealing ring (7) and second sealing ring (9) all are the U type setting, first sealing ring (7) outside and second sealing ring (9) in close contact with.

4. The single-shaft dual-flapper valve of claim 1, wherein: the connecting plates (10) are four in number, the connecting plates (10) are all arranged in a U shape, and the connecting plates (10) are arranged in a central symmetry mode about the central axis of the rotating shaft (3).

5. The single-shaft dual-flapper valve of claim 1, wherein: the number of the first sealing rings (7) and the number of the second sealing rings (9) are both 2, and the first sealing rings (7) and the second sealing rings (9) are both formed by plates made of rubber materials.