CN216643122U

CN216643122U - Novel flange gate valve

Info

Publication number: CN216643122U
Application number: CN202123145380.2U
Authority: CN
Inventors: 王玉梅
Original assignee: Tianjin Binhai Huayi Valve Co ltd
Current assignee: Tianjin Binhai Huayi Valve Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-31
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a novel flange gate valve which comprises a screw rod, a connecting plate, a positioning screw, a limiting plate, a valve body, a first support and a second support, wherein the limiting plate is arranged inside the valve body, a connecting rod is arranged at the upper end of the limiting plate, the connecting plate is arranged at the upper end of the connecting rod, the first support is arranged at the upper end of the valve body, the second support is arranged at the upper end of the first support, the screw rod is arranged inside the second support, and the screw rod is connected with the upper end of the connecting plate. The gate valve has the effect of strengthening fixed sealing, solves the problem that the conventional gate valve lacks an effective function of strengthening fixed sealing, and ensures that some fluid overflows when the gate is clamped tightly to influence the use effect of the gate valve.

Description

Novel flange gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to a novel flange gate valve.

Background

The gate valve is one of the most commonly used shut-off valves, and is mainly used for connecting or shutting off a medium in a pipeline and is not used for regulating the flow of the medium. The applied pressure, temperature and diameter range is large, especially applied to medium and large diameter pipelines.

Through mass search, the disclosure number is CN213899956U, and the pneumatic parallel gate valve is disclosed, which solves the problem that the existing fixing device can fall off after long-time use to influence the use of the gate valve because the existing fixing device is lifted by a pneumatic pump to lift a sealing device and lift a sealing plate, and when the gate valve needs to be blocked, the sealing plate needs to be stably clamped, and the problem that the use of the gate valve is influenced because the existing fixing device can fall off, the problem of lifting of the sealing partition plate is avoided.

In conclusion, the existing gate valve lacks an effective reinforced fixed sealing function, so that when the gate is clamped, some fluid overflows to influence the use effect of the gate valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel flange gate valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel flange gate valve, includes screw rod, connecting plate, set screw, limiting plate, valve body, first support and second support, the inside limiting plate that is provided with of valve body, the limiting plate upper end is provided with the connecting rod, the connecting rod upper end is provided with the connecting plate, the valve body upper end is provided with first support, first support upper end is provided with the second support, the inside screw rod that is provided with of second support, the screw rod with the connecting plate upper end is connected.

Preferably, a handle is arranged at the upper end of the screw rod, the handle is designed in a disc shape, a thread groove is formed in the upper end of the second support, and the screw rod is inserted into the thread groove. The handle is connected with the screw rod through the handle, so that the handle can be manually rotated, and the limiting plate is driven to move up and down in the valve body.

Preferably, the length of the connecting rod is greater than the height of the first support, and the length of the screw is greater than the height of the second support. Through the length of the connecting rod is greater than the height of the first support, the limiting plate can be guaranteed to move to the lowest end in the valve body to perform sealing effect, and meanwhile, a space is provided for mounting of the spring.

Preferably, a spring is arranged between the first support and the connecting plate, the lower end of the spring is fixedly connected with the upper end of the first support, and the upper end of the spring is attached to the lower end of the connecting plate. Through the setting of spring, can make the limiting plate have certain buffering effect in the time of the downward movement, prevent that the device is damaged in the strong extrusion of limiting plate and first support upper surface.

Preferably, the outer wall of the valve body is provided with positioning screws, the positioning screws are symmetrically distributed on two sides, the positioning screws are matched with the limiting plate, and the number of the positioning screws is four. Can rotate through set screw and screw up, can fix the both sides of limiting plate, guarantee the fixed effect of limiting plate to reduce the not hard up phenomenon after the limiting plate uses for a long time.

Preferably, the two sides of the valve body are symmetrically provided with flange plates. Through the setting of ring flange, can connect external water pipe in both sides.

Preferably, the flange outer wall is provided with the mounting holes that are distributed in an annular array, and the number of the mounting holes is eight. The position of the external connecting pipe can be well positioned by arranging the mounting hole, so that deviation and falling off are prevented.

Compared with the prior art, the utility model has the beneficial effects that: this device can drive the screw rod through twist grip when using and rotate, realizes that the limiting plate reciprocates in the valve body is inside, and the limiting plate is when above, and the valve body belongs to the on-state, and when the limiting plate contacted valve body lower surface inner wall below, the valve body belongs to the off-state, in order to strengthen the sealed effect of off-state, has set up set screw and has carried out the secondary to the limiting plate and fix, guarantees that the limiting plate can not have the sealed effect of the influence valve body of rocking of small margin.

Drawings

FIG. 1 is a schematic three-dimensional view of the present invention;

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

FIG. 3 is a side view of the present invention.

In the figure:

1. a handle; 2. a screw; 3. a connecting plate; 4. a connecting rod; 5. a set screw; 6. a limiting plate; 7. a flange plate; 8. mounting holes; 9. a valve body; 10. a first bracket; 11. a spring; 12. a second bracket; 13. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, two embodiments of the present invention are provided:

the first embodiment is as follows:

a novel flange gate valve comprises a screw rod 2, a connecting plate 3, a positioning screw 5, a limiting plate 6, a valve body 9, a first support 10 and a second support 12, wherein the limiting plate 6 is arranged inside the valve body 9, the upper end of the limiting plate 6 is provided with the connecting rod 4, the length of the connecting rod 4 is greater than the height of the first support 10, the length of the screw rod 2 is greater than the height of the second support 12, the effect that the limiting plate 6 can move to the lowest end inside the valve body 9 to seal can be ensured by the length of the connecting rod 4 being greater than the height of the first support 10, meanwhile, a space is provided for installing a spring 11, the connecting plate 3 is arranged at the upper end of the connecting rod 4, the first support 10 is arranged at the upper end of the valve body 9, the spring 11 is arranged between the first support 10 and the connecting plate 3, the lower end of the spring 11 is fixedly connected with the upper end of the first support 10, and the upper end of the spring 11 is attached to the lower end of the connecting plate 3, through the setting of spring 11, can make limiting plate 6 have certain buffering effect when the downward movement, prevent limiting plate 6 and the device of damaging of strong extrusion of first support 10 upper surface.

Example two:

a novel flange gate valve, wherein a second support 12 is arranged at the upper end of a first support 10, a screw rod 2 is arranged in the second support 12, a handle 1 is arranged at the upper end of the screw rod 2, the handle 1 is designed in a disc shape, a thread groove 13 is arranged at the upper end of the second support 12, the screw rod 2 is inserted in the thread groove 13, the handle 1 is connected with the screw rod 2 through the handle 1 and can be manually rotated to drive a limiting plate 6 to move up and down in a valve body 9, the screw rod 2 is connected with the upper end of a connecting plate 3, the outer wall of the valve body 9 is provided with positioning screws 5, the positioning screws 5 are symmetrically distributed on two sides, the positioning screws 5 are matched with the limiting plate 6, the number of the positioning screws 5 is four, the positioning screws 5 can be rotated and screwed through the positioning screws 5, two sides of the limiting plate 6 can be fixed, the fixing effect of the limiting plate 6 is ensured, the loosening phenomenon of the limiting plate 6 after long-time use is reduced, two sides of the valve body 9 are symmetrically provided with flange plates 7, through the setting of ring flange 7, can connect external water pipe in both sides, 7 outer walls of ring flange are provided with the mounting hole 8 that is the ring array and distributes, and the quantity of mounting hole 8 is eight, through the position of the external connecting pipe of location that setting up of mounting hole 8 can be better, prevent the skew and drop.

The working principle is as follows: when the device is used, the screw rod 2 can be driven to rotate through the rotating handle 1, the limiting plate 6 can move up and down in the valve body 9, when the limiting plate 6 is on, the valve body 9 is in a conduction state, when the limiting plate 6 is in contact with the inner wall of the lower surface of the valve body 9, the valve body 9 is in a stop state, in order to strengthen the sealing effect of the stop state, the positioning screw 5 is arranged to secondarily fix the limiting plate 6, and the limiting plate 6 is ensured not to shake to a small extent to influence the sealing effect of the valve body 9.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel flange gate valve, includes screw rod (2), connecting plate (3), set screw (5), limiting plate (6), valve body (9), first support (10) and second support (12), its characterized in that: the novel valve is characterized in that a limiting plate (6) is arranged inside the valve body (9), a connecting rod (4) is arranged at the upper end of the limiting plate (6), a connecting plate (3) is arranged at the upper end of the connecting rod (4), a first support (10) is arranged at the upper end of the valve body (9), a second support (12) is arranged at the upper end of the first support (10), a screw rod (2) is arranged inside the second support (12), and the screw rod (2) is connected with the upper end of the connecting plate (3).

2. A novel flange gate valve according to claim 1, characterized in that: the handle (1) is arranged at the upper end of the screw rod (2), the handle (1) is designed in a disc shape, the thread groove (13) is formed in the upper end of the second support (12), and the screw rod (2) is inserted into the thread groove (13).

3. A novel flange gate valve according to claim 1, characterized in that: the length of the connecting rod (4) is larger than the height of the first support (10), and the length of the screw (2) is larger than the height of the second support (12).

4. A novel flange gate valve according to claim 1, characterized in that: first support (10) with be provided with spring (11) between connecting plate (3), spring (11) lower extreme with first support (10) upper end fixed connection, spring (11) upper end with the laminating of connecting plate (3) lower extreme mutually.

5. A novel flange gate valve according to claim 1, characterized in that: valve body (9) outer wall is provided with set screw (5), set screw (5) are bilateral symmetry and distribute, set screw (5) with limiting plate (6) looks adaptation, the quantity of set screw (5) is four.

6. A novel flange gate valve according to claim 1, characterized in that: and flange plates (7) are symmetrically arranged on two sides of the valve body (9).

7. The novel flange gate valve of claim 6, characterized in that: the outer wall of the flange plate (7) is provided with mounting holes (8) distributed in an annular array, and the number of the mounting holes (8) is eight.