CN220688081U - Hydraulic control valve group of double gate valve - Google Patents

Abstract

The utility model discloses a double-gate valve hydraulic control valve bank, which comprises a double-gate valve bank main body, wherein a flange frame is welded on the outer side wall of the double-gate valve bank main body, a valve plate is arranged on the inner side of the double-gate valve bank main body, a filtering mechanism is arranged on the top end of the inner side of the double-gate valve bank main body, and a fastening mechanism is welded on the outer side wall of the flange frame. This two gate valve water conservancy valve unit through setting up link, connecting hole, binding bolt, binding clip and rubber pad under the cooperation effect, carries out threaded connection with two gate valve unit body through flange frame and continuous pipeline and fixes, twists the inboard binding bolt of connecting hole again to it is fixed to drive the binding clip and carry out screw thread secondary locking, avoided in long-term use, make junction emergence not hard up, lead to the water source leakage, improved the connection tightness of two gate valve unit body.

Description

Hydraulic control valve group of double gate valve

Technical Field

The utility model relates to the technical field related to double gate valves, in particular to a hydraulic control valve group of a double gate valve.

Background

The metal sealing double gate valve adopts double valve plates for sealing, the sealing surface adopts wear-resistant hard alloy, the wear resistance is strong, the sealing performance is good, the service life is long, when the air source is introduced from the upper air inlet, the air cylinder rod drives the valve plate to move downwards, the valve is closed, when the air source is introduced from the lower air inlet, the air cylinder rod drives the valve plate to move upwards, the valve is opened, the valve plate is provided with a spring for loading between sealing rings, the spring force always presses the valve plate to the sealing rings, the valve plate is allowed to move vertically upwards and downwards, the valve plate is helpful for compensating the thermal expansion and contraction of valve parts, the influence of any back pressure change on the sealing can be overcome, the particle medium is prevented from entering between the two sealing surfaces, in the opening and closing process, the valve plate can rotate, grinding and polishing effects are generated between the sealing surfaces, and the valve body is eccentric to the channel, when the discharging material is opened, vortex is generated, the formed material vortex can automatically clean the inner cavity of the valve, all the characteristics ensure that the valve has ultra-long service life, reliable guarantee is provided for safe operation of a system, the gate valve parallel double-gate plate gate valve is suitable for closed-circuit equipment on pipelines with water and sewage as media, the valve is not allowed to be used for adjusting flow and emptying, is widely applicable to industries such as petroleum, chemical industry, pharmacy and electric power, is used for opening and closing on pipelines of medium such as steam, water and oil with nominal pressure, and has the working principles of parallel double-gate-plate gate valves, parallel single-gate-plate gate valves, rising stem parallel double-gate-plate gate valves and rising stem parallel single-gate-plate gate valves: by means of external power provided by an air cylinder or a hand wheel, the valve rod drives the valve plate to move up and down to realize opening and closing of the valve, and the pretightening force of the spring arranged between the double flashboards in the opening and closing process of the valve is that the valve plate is tightly contacted with the valve seat to realize sealing, so that the hydraulic control valve group of the double gate valve is needed.

The hydraulic control valve bank of the double gate valve that uses at present, at the in-process of installation, the double gate valve bank main part carries out threaded connection fixedly through flange frame and continuous pipeline to lead to fastening effect not good, make the flange frame of one side of double gate valve bank main part take place not hard up with continuous connecting pipe, lead to leaking.

Disclosure of Invention

The utility model aims to provide a double-gate valve hydraulic control valve bank, which solves the problems that in the prior art, a flange frame on one side of a double-gate valve bank body and a connecting pipe connected with the flange frame are loosened to cause leakage because a double-gate valve bank body is fixedly connected with the connecting pipe through threads through the flange frame in the installation process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double gate valve water conservancy valve unit, includes double gate valve unit main part, the lateral wall welding of double gate valve unit main part has the flange frame, the valve plate is installed to the inboard of double gate valve unit main part, filtering mechanism is installed on the inboard top of double gate valve unit main part, the lateral wall welding of flange frame has fastening mechanism.

Preferably, the filter mechanism comprises a fixed groove, a fixed block and a filter screen, wherein the fixed groove is formed in the inner side wall of the double gate valve main body, the fixed block is mounted on the inner side of the fixed groove, and the filter screen is welded at one end of the fixed block.

Preferably, the filter screen is connected with the fixed slot in a clamping way through the fixed block, and the outer diameter of the filter screen is matched with the inner diameter of the double gate valve main body.

Preferably, the fastening mechanism comprises a connecting frame, a connecting hole, a fastening bolt, a fastening clamp and a rubber pad, wherein the connecting frame is welded on the outer side wall of the flange frame, the connecting hole is formed in the upper surface of the connecting frame, the fastening bolt is sleeved on the inner side of the connecting hole, the fastening clamp is installed at one end of the fastening bolt, and the rubber pad is attached to the inner side wall of the fastening clamp.

Preferably, the inner side of the fastening clip is tightly attached to the outer side of the rubber pad, and the inner side of the fastening clip is matched with the outer side of the rubber pad in size.

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

1. according to the hydraulic control valve bank of the double gate valve, under the cooperation of the fixing groove, the fixing block and the filter screen, the water source is conveyed and controlled by the main body of the double gate valve bank, so that impurities in the water source are prevented from being adhered and adsorbed on the inner side wall of the main body of the double gate valve bank, the impurities are easily accumulated on the inner side of the main body of the double gate valve bank for a long time to cause blockage, and the anti-blocking efficiency of the main body of the double gate valve bank is improved;

2. this two gate valve water conservancy valve unit through setting up link, connecting hole, binding bolt, binding clip and rubber pad under the cooperation effect, carries out threaded connection with two gate valve unit body through flange frame and continuous pipeline and fixes, twists the inboard binding bolt of connecting hole again to it is fixed to drive the binding clip and carry out screw thread secondary locking, avoided in long-term use, make junction emergence not hard up, lead to the water source leakage, improved the connection tightness of two gate valve unit body.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic view of a split structure of the filtering mechanism of the present utility model;

fig. 4 is a schematic diagram showing a disassembly structure of the fastening mechanism of the present utility model.

In the figure: 1. a double gate valve block main body; 2. a flange frame; 3. a valve plate; 4. a filtering mechanism; 401. a fixing groove; 402. a fixed block; 403. a filter screen; 5. a fastening mechanism; 501. a connecting frame; 502. a connection hole; 503. a fastening bolt; 504. a fastening clip; 505. and a rubber pad.

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. 1-4, the present utility model provides a technical solution: the utility model provides a double gate valve water conservancy control valves, includes double gate valve valves main part 1, and flange frame 2 has been welded to the lateral wall of double gate valve valves main part 1, and valve plate 3 is installed to the inboard of double gate valve valves main part 1, and filtering mechanism 4 is installed on the inboard top of double gate valve valves main part 1, and the lateral wall welding of flange frame 2 has fastening mechanism 5.

Further, filtering mechanism 4 includes fixed slot 401, fixed block 402 and filter screen 403, the inside wall at double gate valve valves main part 1 is offered to fixed slot 401, fixed block 402 is installed to the inboard of fixed slot 401, the one end welding of fixed block 402 has filter screen 403, through setting up fixed slot 401, fixed block 402 and filter screen 403 under the cooperation effect, carry out the dashing of control to the water source at double gate valve valves main part 1, impurity adhesion in the water source has been avoided adsorbing at double gate valve valves main part 1's inside wall, so long-term the inboard that leads to impurity to pile up at double gate valve valves main part 1 easily causes the jam, the anti-blocking efficiency of double gate valve valves main part 1 has been improved.

Further, the filter screen 403 is connected with the fixed groove 401 through the fixed block 402 in a clamping way, the outer diameter of the filter screen 403 is matched with the inner diameter of the double gate valve main body 1, the filter screen 403 is connected with the fixed groove 401 through the fixed block 402 in a clamping way, the filter screen 403 is convenient to install and replace, the structure is simple, and the operation is convenient.

Further, fastening mechanism 5 includes link 501, connecting hole 502, fastening bolt 503, fastening clamp 504 and rubber pad 505, the link 501 welds the lateral wall at flange frame 2, connecting hole 502 has been seted up to the upper surface of link 501, the inboard cover of connecting hole 502 is equipped with fastening bolt 503, fastening clamp 504 is installed to the one end of fastening bolt 503, the rubber pad 505 has been laminated to the inside wall of fastening clamp 504, under the cooperation effect through setting up link 501, connecting hole 502, fastening bolt 503, fastening clamp 504 and rubber pad 505, carry out threaded connection with two gate valve valves main part 1 through flange frame 2 and the pipeline that links to each other and fix, carry out the screwing down with the fastening bolt 503 of connecting hole 502 inboard again, thereby drive fastening clamp 504 and carry out screw secondary locking and fix, avoided in long-term use, make the junction take place not hard up, lead to the water source leakage, the connection tightness of two gate valve main part 1 has been improved.

Further, the inner side of the fastening clip 504 is tightly attached to the outer side of the rubber pad 505, and the inner side of the fastening clip 504 is matched with the outer side of the rubber pad 505, so that the friction force between the fastening clip 504 and the connecting pipe is increased in the fastening process of the fastening clip 504 by attaching the inner side of the fastening clip 504 to the rubber pad 505, so that the sliding is not easy to occur.

Working principle: firstly, remove the device to the assigned position, then under the cooperation effect of rethread setting link 501, connecting hole 502, fastening bolt 503, fastening clamp 504 and rubber pad 505, carry out threaded connection fixed with the pipeline that links to each other with double gate valve valves main part 1 through flange frame 2, again carry out screwing with the fastening bolt 503 of connecting hole 502 inboard, thereby drive fastening clamp 504 and carry out screw thread secondary locking fixed, avoided in long-term use, make the junction take place not hard up, the water source leakage is led to, the connection tightness of double gate valve valves main part 1 has been improved, secondly, the laminating is inboard and rubber pad 505 at fastening clamp 504, in the fastening process of fastening clamp 504, increase the frictional force between fastening clamp 504 and the continuous connecting pipe, make the difficult circumstances emergence of slip take place, at the cooperation effect of rethread setting fixed slot 401, fixed block 402 and filter screen 403, the impurity adhesion in the water source has been avoided in the water source to carry out the dashing of transportation control to double gate valve main part 1, so long-term so easily lead to impurity to piling up and causing the jam in the inboard of double gate valve main part 1, double gate valve 1 has improved the efficiency, a double gate valve operation flow has been accomplished like this.

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 (4)

1. The hydraulic control valve bank of the double gate valve is characterized by comprising a double gate valve bank main body (1), wherein a flange frame (2) is welded on the outer side wall of the double gate valve bank main body (1), a valve plate (3) is arranged on the inner side of the double gate valve bank main body (1), a filtering mechanism (4) is arranged on the top end of the inner side of the double gate valve bank main body (1), and a fastening mechanism (5) is welded on the outer side wall of the flange frame (2);

fastening mechanism (5) are including link (501), connecting hole (502), binding bolt (503), binding clip (504) and rubber pad (505), the lateral wall at flange frame (2) is welded to link (501), connecting hole (502) have been seted up to the upper surface of link (501), the inboard cover of connecting hole (502) is equipped with binding bolt (503), binding clip (504) are installed to one end of binding bolt (503), the laminating of the inside wall of binding clip (504) has rubber pad (505).

2. The hydraulic control valve group of a double gate valve according to claim 1, wherein: the filter mechanism (4) comprises a fixing groove (401), a fixing block (402) and a filter screen (403), wherein the fixing groove (401) is formed in the inner side wall of the double gate valve group main body (1), the fixing block (402) is mounted on the inner side of the fixing groove (401), and the filter screen (403) is welded at one end of the fixing block (402).

3. The hydraulic control valve group of a double gate valve according to claim 2, wherein: the filter screen (403) is connected with the fixed groove (401) in a clamping way through the fixed block (402), and the outer diameter of the filter screen (403) is matched with the inner diameter of the double gate valve main body (1).

4. The hydraulic control valve group of a double gate valve according to claim 1, wherein: the inner side of the fastening clamp (504) is tightly attached to the outer side of the rubber pad (505), and the inner side size of the fastening clamp (504) is matched with the outer side size of the rubber pad (505).