CN219139984U

CN219139984U - Forged steel gate valve

Info

Publication number: CN219139984U
Application number: CN202320035123.3U
Authority: CN
Inventors: 张波; 林孙勇; 张丹枫
Original assignee: Dide Valve Group Co ltd
Current assignee: Dide Valve Group Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-06
Anticipated expiration: 2033-01-06

Abstract

The utility model belongs to the technical field of forged steel gate valves, and particularly relates to a forged steel gate valve, which comprises a valve body, a filtering mechanism and a limiting mechanism, wherein a water inlet and a water outlet are respectively arranged in the valve body, the filtering mechanism is arranged in the valve body, a valve cover is contacted with the upper end of the valve body, a bolt is movably connected in the valve cover, the bolt is connected in the valve body through threads, and the limiting mechanism is arranged on the valve cover. According to the utility model, through designing structures such as the filter screen, the waterproof motor, the rotary rod and the elastic rod, impurities in fluid can be filtered through the filtering effect of the filter screen, and when the filter screen is blocked, the waterproof motor can be started, the rotary rod is driven by the waterproof motor to rotate, so that the rotary rod can impact the elastic rod, and the rotation of the elastic rod impacts the filter screen, so that the filter screen is vibrated, and the filter screen is effectively prevented from being blocked.

Description

Forged steel gate valve

Technical Field

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

Background

The forged steel gate valve is a valve in which a closing member (shutter) moves in a direction perpendicular to a center line of a passage, and is mainly used for cutting in a pipeline. The forged steel gate valve is a widely used valve, and a cutting device with the general caliber DN less than or equal to 50 is selected. The utility model patent with the publication number of CN212055893U provides a forged steel gate valve with good sealing performance, which comprises a valve body, wherein a valve cover is arranged at the top of the valve body, a valve rod is rotationally connected inside the valve cover, a sealing assembly is arranged at the bottom end of the outer side of the valve rod, the sealing assembly comprises a sealing plate, a baffle plate, a connecting block, a sealing strip and a baffle plate, the sealing plate is fixedly connected to the bottom end of the valve rod, the sealing plate is rotationally connected to the inside of the valve body, the connecting block is fixedly connected to two sides of the sealing plate, the baffle plate is arranged on two sides of the sealing plate, and the sealing plate is fixedly connected to the front side and the rear side of the inside of the valve body; this patent drives the shrouding through the valve rod and rotates, makes the connecting block inject inside the connecting hole, and simultaneously the shrouding rotates and can drive the sealing strip and rotate, can make it inject inside the annular groove, through the cooperation of sealing strip and annular groove, the cooperation of connecting block and connecting hole provides dual guarantee for the leakproofness of shrouding, can effectively avoid the condition of rivers seepage. However, the above patent also suffers from the following disadvantages: the water inlet is used for feeding water and the water is discharged from the water outlet, but partial impurities exist in the fluid, so that the valve body is blocked, a filtering mechanism is lacked, the valve cover and the valve body are connected through bolts, the bolts can be loosened in the long-time use process, the installation is unstable, and a limiting mechanism for the bolts is lacked.

Disclosure of Invention

The utility model aims to provide a forged steel gate valve, which solves the problems that water enters through a water inlet and is discharged from a water outlet, but partial impurities exist in fluid, which can cause blockage in a valve body and lack a filtering mechanism, and also solves the problems that a valve cover and the valve body are connected through bolts, the bolts can loosen in the long-time use process, the installation is unstable and a limiting mechanism for the bolts is lacked.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the forged steel gate valve comprises a valve body, a filtering mechanism and a limiting mechanism, wherein a water inlet and a water outlet are respectively formed in the valve body, the filtering mechanism is arranged in the valve body, a valve cover is connected to the upper end of the valve body, a bolt is movably connected in the valve cover, the bolt is connected in the valve body through threads, and the limiting mechanism is arranged on the valve cover.

Preferably, the filter mechanism comprises a filter screen, a waterproof motor, a rotary rod, a mounting rod and an elastic rod, wherein the filter screen is fixedly connected in the valve body, the waterproof motor is fixedly installed on the filter screen, the output end of the waterproof motor is rotationally connected in the filter screen, the rotary rod is fixedly connected to the output end of the waterproof motor, the mounting rod is fixedly connected to the valve body, the elastic rod is installed on the mounting rod through a bearing, and impurities in fluid can be filtered through the design of the filter mechanism.

Preferably, the elastic rod is contacted with the rotary rod, the elastic rod is contacted with the filter screen, the filter screen is vibrated by the impact of the rotation of the elastic rod, and then the filter screen is vibrated, so that the filter screen is effectively prevented from being blocked.

Preferably, the limiting mechanism comprises an annular groove, a sliding rod, a support, a pulling block and a spring, wherein the annular groove is formed in the bolt, the sliding rod is connected in the annular groove in a sliding manner, the support is fixedly connected to the valve cover, the pulling block is fixedly connected to the sliding rod, the spring is arranged on the outer side of the sliding rod, and the bolt can be limited by designing the limiting mechanism.

Preferably, the sliding rod is slidably connected in the valve cover, the sliding rod is slidably connected in the bracket, and the sliding rod can be guided by the bracket through the design of the bracket.

Preferably, one end of the spring is fixedly connected to the pull block, the other end of the spring is fixedly connected to the support, and the pull block can be moved under the elastic action of the spring through designing the spring.

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

1. according to the utility model, through designing structures such as the filter screen, the waterproof motor, the rotary rod and the elastic rod, impurities in fluid can be filtered through the filtering effect of the filter screen, and when the filter screen is blocked, the waterproof motor can be started, the rotary rod is driven by the waterproof motor to rotate, so that the rotary rod can impact the elastic rod, and the rotation of the elastic rod impacts the filter screen, so that the filter screen is vibrated, and the filter screen is effectively prevented from being blocked.

2. According to the utility model, the annular groove, the slide bar, the spring and the pull block are designed, the annular groove is formed in the bolt, the slide bar is connected in the sliding way in the annular groove, the pull block is fixed on the slide bar, the spring is fixed on the pull block, and the pull block drives the slide bar to slide into the annular groove under the elastic action of the spring, so that the bolt is limited, and the problem of unstable installation caused by loosening of the bolt is effectively prevented.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

fig. 4 is an enlarged view of the present utility model at B in fig. 2.

In the figure: 1. a valve body; 2. a water inlet; 3. a water outlet; 4. a filtering mechanism; 5. a valve cover; 6. a bolt; 7. a limiting mechanism; 41. a filter screen; 42. a waterproof motor; 43. a rotating rod; 44. a mounting rod; 45. an elastic rod; 71. a ring groove; 72. a slide bar; 73. a bracket; 74. pulling blocks; 75. and (3) a spring.

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.

Referring to fig. 1 and 2, the forged steel gate valve comprises a valve body 1, a filtering mechanism 4 and a limiting mechanism 7, wherein a water inlet 2 and a water outlet 3 are respectively arranged in the valve body 1, the filtering mechanism 4 is arranged in the valve body 1, a valve cover 5 is contacted with the upper end of the valve body 1, a bolt 6 is movably connected in the valve cover 5, the bolt 6 is connected in the valve body 1 through threads, and the limiting mechanism 7 is arranged on the valve cover 5.

Referring to fig. 1, 2 and 3, the filtering mechanism 4 includes a filter screen 41, a waterproof motor 42, a rotating rod 43, a mounting rod 44 and an elastic rod 45, the filter screen 41 is fixedly connected in the valve body 1, the waterproof motor 42 is fixedly installed on the filter screen 41, the output end of the waterproof motor 42 is rotationally connected in the filter screen 41, the rotating rod 43 is fixedly connected on the output end of the waterproof motor 42, the mounting rod 44 is fixedly connected on the valve body 1, the elastic rod 45 is installed on the mounting rod 44 through a bearing, the elastic rod 45 is in contact with the rotating rod 43, the elastic rod 45 is in contact with the filter screen 41, and impurities of fluid can be filtered through designing the filtering mechanism 4.

Referring to fig. 1, 2 and 4, the limiting mechanism 7 includes a ring groove 71, a slide bar 72, a bracket 73, a pull block 74 and a spring 75, the ring groove 71 is provided in the bolt 6, the slide bar 72 is connected in the sliding way in the ring groove 71, the bracket 73 is fixedly connected to the valve cover 5, the pull block 74 is fixedly connected to the slide bar 72, the spring 75 is provided at the outer side of the slide bar 72, the slide bar 72 is connected in the valve cover 5 in a sliding way, the slide bar 72 is connected in the bracket 73 in a sliding way, one end of the spring 75 is fixedly connected to the pull block 74, the other end of the spring 75 is fixedly connected to the bracket 73, and the bolt 6 can be limited by designing the limiting mechanism 7.

Working principle: how the forged steel gate valve is specifically operated is disclosed in the utility model patent with the patent grant publication number of CN212055893U, and is not needed to be repeated here, when fluid passes through the water inlet 2, impurities in the fluid can be filtered under the filtering of the filter screen 41, the effectively prevented impurities cause the blockage of the valve body 1, and when the filter screen 41 is blocked, the waterproof motor 42 is started, the rotating rod 43 fixed on the output end of the waterproof motor is driven by the waterproof motor 42 to rotate, so that the rotating rod 43 impacts the elastic rod 45, the elastic rod 45 is further rotated, the rotation of the elastic rod 45 impacts the filter screen 41, the filter screen 41 is vibrated, and the filter screen 41 is effectively prevented from being blocked;

when the bolt 6 is installed, the pull block 74 is pulled firstly to enable the sliding rod 72 fixed on the pull block 74 to move, then the bolt 6 is rotated to enable threaded movement between the bolt 6 and the valve body 1, and then the bolt 6 is moved into the valve body 1, at the moment, the pull block 74 is loosened to enable the pull block 74 to move under the elastic action of the spring 75, and then the sliding rod 72 moves and slides into the annular groove 71 formed in the bolt 6, at the moment, the bolt 6 is limited, and the unstable installation caused by loosening of the bolt 6 is effectively prevented.

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. Forged steel gate valve, including valve body (1), filtering mechanism (4), stop gear (7), its characterized in that: the novel valve is characterized in that a water inlet (2) and a water outlet (3) are respectively arranged in the valve body (1), a filtering mechanism (4) is arranged in the valve body (1), a valve cover (5) is contacted with the upper end of the valve body (1), a bolt (6) is movably connected in the valve cover (5), the bolt (6) is connected in the valve body (1) through threads, and a limiting mechanism (7) is arranged on the valve cover (5).

2. The forged steel gate valve according to claim 1, wherein: the utility model provides a filter mechanism (4) is including filter screen (41), waterproof motor (42), rotary rod (43), installation pole (44), elastic rod (45), fixedly connected with filter screen (41) in valve body (1), fixedly mounted has waterproof motor (42) on filter screen (41), the output of waterproof motor (42) rotates to be connected in filter screen (41), fixedly connected with rotary rod (43) on the output of waterproof motor (42), fixedly connected with installation pole (44) on valve body (1), install elastic rod (45) through the bearing on installation pole (44).

3. The forged steel gate valve according to claim 2, wherein: the elastic rod (45) is in contact with the rotary rod (43), and the elastic rod (45) is in contact with the filter screen (41).

4. The forged steel gate valve according to claim 1, wherein: the limiting mechanism (7) comprises an annular groove (71), a sliding rod (72), a support (73), a pulling block (74) and a spring (75), wherein the annular groove (71) is formed in the bolt (6), the sliding rod (72) is connected in the annular groove (71) in a sliding mode, the support (73) is fixedly connected to the valve cover (5), the pulling block (74) is fixedly connected to the sliding rod (72), and the spring (75) is arranged on the outer side of the sliding rod (72).

5. The forged steel gate valve according to claim 4, wherein: the sliding rod (72) is connected in the valve cover (5) in a sliding way, and the sliding rod (72) is connected in the bracket (73) in a sliding way.

6. The forged steel gate valve according to claim 4, wherein: one end of the spring (75) is fixedly connected to the pull block (74), and the other end of the spring (75) is fixedly connected to the bracket (73).