CN219013392U

CN219013392U - Flange gate valve

Info

Publication number: CN219013392U
Application number: CN202222697588.3U
Authority: CN
Inventors: 牛桂风
Original assignee: Tianjin Yuanjuwei Valve Manufacturing Co ltd
Current assignee: Tianjin Yuanjuwei Valve Manufacturing Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-12
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a flange gate valve, which comprises a valve body, wherein the top end of the valve body is connected with a sealing box, sealing rubber plates are connected and arranged on two sides of the inner wall of the sealing box, a valve plate is arranged in the sealing box in a sliding mode, the bottom end of the valve plate extends into the valve body, one side of the sealing box is connected and provided with a driving mechanism, and the bottom end of the valve body is connected and provided with a filtering mechanism. The valve is convenient to use and clean, can effectively ensure the stable use effect of the valve, and can avoid the blockage of the valve body to ensure the tightness.

Description

Flange gate valve

Technical Field

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

Background

The flange gate valve is a gate valve with a flange in a connection mode, and the flange gate valve is most common in the connection mode, and is stable and reliable when used in a pipeline, so that the flange gate valve is commonly used in a high-pressure pipeline.

The existing flange gate valve has no filtering effect when in use, and if the existing flange gate valve is not cleaned timely after a long time, the existing flange gate valve can be blocked internally to influence the sealing effect, and the normal flange gate valve is a vertical valve plate, so that the impact force in the valve body is large when the valve is on the pipe wall, and the valve is hard to close.

Disclosure of Invention

The present utility model is directed to a flange gate valve, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the valve comprises a valve body, the connection of valve body top is provided with sealed box, sealed box inner wall both sides are connected and are provided with sealed offset plate, the sliding of sealed box is provided with the valve plate, in the valve plate bottom extends to the valve body, sealed box one side connection is provided with actuating mechanism, the connection of valve body bottom is provided with filtering mechanism.

Preferably, the valve plate comprises a sealing partition plate, a connecting rod is fixedly arranged on one side of the sealing partition plate, and a toothed rail is connected with one side of the connecting rod.

Preferably, the driving mechanism comprises a shell, support pipes are rotatably arranged at two ends of the inner wall of the shell, gears are arranged at the middle ends of the support pipes in a connecting mode, an inserting shaft is arranged at one end of each support pipe in a connecting mode, and a rotary table is fixedly arranged at one end of each inserting shaft.

Preferably, the filter mechanism comprises a mounting end, the bottom end of the mounting end is connected with a sealing cover, a filter screen frame is fixedly arranged on one side of the sealing cover, and the filter screen frame extends into the valve body.

Preferably, the guide slots are formed in two sides of the connecting rod, a through hole is formed in one side of the sealing box, corresponding to the connecting rod, of the connecting rod, a limiting frame is fixedly arranged on two sides of the through hole, the limiting frame is in sliding connection with the guide slots, and a cover plate is hinged to one side of the sealing box.

Preferably, a through groove is formed on one side of the sealing box corresponding to the gear, and the gear is meshed with one side of the valve plate.

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

1. according to the utility model, the inserting shaft is inserted into the supporting tube, the gear is driven to rotate through the turntable, the gear drives the connecting rod to move along the sealing box through the toothed rail, and the sealing partition plate is brought out from the inside, so that the valve body is in an open state, in the moving process of the connecting rod, the limiting frame has a limiting effect, the tightness of connection is ensured, the supporting effect is also realized, the moving smoothness is ensured, the connecting rod is obliquely arranged, the impact force of the connecting rod for conveying a material pile is greatly reduced when the valve body is closed, the structure is simple, the use is convenient, and the use stability of the valve is effectively ensured;

2. the sealing device has the advantages that the sealing effect is achieved through the sealing rubber plate, the overall tightness is guaranteed, the filtering mechanism at the bottom end filters, liquid in the valve body flows through the filter screen frame in a filtering mode in an open state, impurities contained in the liquid can be filtered out, the sealing cover is unscrewed after the sealing device is used for a period of time, the filter screen frame is taken out, cleaning is conducted, convenience and rapidness are achieved, and the valve body is prevented from being blocked, so that the tightness is guaranteed.

Drawings

FIG. 1 is a schematic diagram of a flange gate valve in a three-dimensional structure according to the present utility model;

FIG. 2 is a schematic diagram of a flange gate valve in the front cross-section;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

fig. 4 is a schematic structural view of a valve plate in a flange gate valve according to the present utility model.

In the figure: 1. a valve body; 2. a seal box; 3. sealing rubber plate; 4. a valve plate; 41. a sealing separator; 42. a connecting rod; 43. a toothed rail; 411. a guide groove; 5. a driving mechanism; 51. a housing; 52. a support tube; 53. a gear; 54. inserting a shaft; 55. a turntable; 6. a filtering mechanism; 61. a mounting end; 62. sealing cover; 63. a filter screen frame; 7. a limiting frame; 8. and a cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, the present utility model provides a technical solution: including valve body 1, valve body 1 top connection is provided with sealed box 2, and the connection of sealed box 2 inner wall both sides is provided with sealed offset plate 3, and sealed box 2 internal sliding is provided with valve plate 4, and in valve plate 4 bottom extended to valve body 1, sealed box 2 one side connection is provided with actuating mechanism 5, and valve body 1 bottom connection is provided with filtering mechanism 6.

The valve plate 4 comprises a sealing partition plate 41, a connecting rod 42 is fixedly arranged on one side of the sealing partition plate 41, and a toothed rail 43 is connected and arranged on one side of the connecting rod 42.

The driving mechanism 5 comprises a shell 51, support pipes 52 are rotatably arranged at two ends of the inner wall of the shell 51, gears 53 are connected to the middle ends of the support pipes 52, an inserting shaft 54 is connected to one end of the support pipes 52, and a rotary table 55 is fixedly arranged at one end of the inserting shaft 54.

Guide slots 411 are formed in two sides of the connecting rod 42, through holes are formed in one side of the sealing box 2 corresponding to the connecting rod 42, limiting frames 7 are fixedly arranged on two sides of the through holes, the limiting frames 7 are in sliding connection with the guide slots 411, and a cover plate 8 is hinged to one side of the sealing box 2.

A through groove is formed on one side of the sealing box 2 corresponding to the gear 53, and the gear 53 is meshed with one side of the valve plate 4.

Working principle: when the valve is used, the inserting shaft 54 is inserted into the supporting tube 52, then the rotating disc 55 drives the gear 53 to rotate, the gear 53 drives the connecting rod 42 to move along the sealing box 2 through the toothed rail 43, the sealing partition 41 is brought out from the inside, so that the valve body 1 is in an open state, in the moving process of the connecting rod 42, the limiting frame 7 has the limiting effect, the connection tightness between the connecting rod 42 and the connecting rod 53 is ensured, the supporting effect is also realized on the connecting rod 42, the moving smoothness is ensured, the connecting rod 42 is obliquely arranged, the impact force of the connecting rod 42 for conveying a material pile is greatly reduced when the valve body 1 is closed, and meanwhile, the sealing rubber plates 3 at two sides play a sealing effect when the valve is opened, so that the integral tightness is ensured.

Example two

Referring to fig. 1-4, the present utility model provides a technical solution: including valve body 1, valve body 1 top connection is provided with sealed box 2, and the connection of sealed box 2 inner wall both sides is provided with sealed offset plate 3, and sealed box 2 internal sliding is provided with valve plate 4, and in valve plate 4 bottom extended to valve body 1, sealed box 2 one side connection is provided with actuating mechanism 5, and valve body 1 bottom connection is provided with filtering mechanism 6.

The filter mechanism 6 comprises a mounting end 61, a sealing cover 62 is connected with the bottom end of the mounting end 61, a filter screen frame 63 is fixedly arranged on one side of the sealing cover 62, and the filter screen frame 63 extends into the valve body 1.

Working principle: when the filter mechanism is used, the filter mechanism 6 at the bottom end filters, liquid in the valve body 1 flows through the filter screen frame 63 in an open state, impurities in the liquid can be filtered, after the filter mechanism is used for a period of time, the sealing cover 62 is unscrewed, so that the filter screen frame 63 is taken out for cleaning, and the filter mechanism is convenient and quick to clean and avoids the blockage of the valve body.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. Flange gate valve, comprising a valve body (1), characterized in that: the novel valve is characterized in that a sealing box (2) is connected to the top end of the valve body (1), sealing rubber plates (3) are connected to two sides of the inner wall of the sealing box (2), a valve plate (4) is arranged in the sealing box (2) in a sliding mode, the bottom end of the valve plate (4) extends into the valve body (1), a driving mechanism (5) is connected to one side of the sealing box (2), and a filtering mechanism (6) is connected to the bottom end of the valve body (1).

2. A flanged gate valve according to claim 1, wherein: the valve plate (4) comprises a sealing partition plate (41), a connecting rod (42) is fixedly arranged on one side of the sealing partition plate (41), and a toothed rail (43) is connected and arranged on one side of the connecting rod (42).

3. A flanged gate valve according to claim 1, wherein: the driving mechanism (5) comprises a shell (51), support pipes (52) are rotatably arranged at two ends of the inner wall of the shell (51), gears (53) are arranged at the middle ends of the support pipes (52) in a connecting mode, an inserting shaft (54) is arranged at one end of each support pipe (52) in a connecting mode, and a rotary table (55) is fixedly arranged at one end of each inserting shaft (54).

4. A flanged gate valve according to claim 1, wherein: the filter mechanism (6) comprises a mounting end (61), a sealing cover (62) is connected with the bottom end of the mounting end (61), a filter screen frame (63) is fixedly arranged on one side of the sealing cover (62), and the filter screen frame (63) extends into the valve body (1).

5. A flanged gate valve according to claim 2, wherein: guide slots (411) are formed in two sides of the connecting rod (42), through holes are formed in one side of the sealing box (2) corresponding to the connecting rod (42), limiting frames (7) are fixedly arranged on two sides of the through holes, the limiting frames (7) are slidably connected with the guide slots (411), and a cover plate (8) is hinged to one side of the sealing box (2).

6. A flanged gate valve according to claim 3, wherein: a through groove is formed in one side of the sealing box (2) corresponding to the gear (53), and the gear (53) is meshed with one side of the valve plate (4).