CN214466439U

CN214466439U - Self-adaptive gate valve

Info

Publication number: CN214466439U
Application number: CN202120649123.3U
Authority: CN
Inventors: 姜日静
Original assignee: Qisheng Valve Co ltd
Current assignee: Qisheng Valve Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-22
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to a from adaptation gate valve, including valve body, valve rod, flashboard, bypass valve and other runner, the other runner is including other runner of advancing and other runner of going out, and the tip of other runner of going out and bypass valve UNICOM is provided with along other runner periphery axial displacement's regulation collar, adjusts the collar towards the one end of bypass valve be provided with the fixed play ring flange of bypass valve, and the other end of bypass dorsad is provided with welded fastening's bellows, and the bellows welds in the periphery of other runner with the other end of adjusting the collar welded. With the adoption of the scheme, the utility model provides a from adaptation gate valve convenient to installation bypass valve and the different specification instruments of adaptation.

Description

Self-adaptive gate valve

Technical Field

The utility model relates to a gate valve field, concretely relates to from adaptation gate valve.

Background

The gate valve is a valve with a flashboard as an opening and closing part, the movement direction of the flashboard is vertical to the fluid direction, the opening and closing are labor-saving, and the application range is wide.

The traditional gate valve comprises a valve body, a valve rod and a gate plate, wherein a flow passage is arranged in the valve body, and the valve rod drives the gate plate to lift to form the cutting-off and circulation of the flow passage. Traditional valve body only has single runner, and in order to deal with different situations, the valve body outside is provided with the bypass and sets up the bypass valve on the bypass, because the unable adjustment of breach interval of bypass installation valve of bypass leads to its bypass valve that can only adapt to single specification, then need redesign or reprocess the valve body when the different bypass valves of needs adaptation, leads to cost greatly increased.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a from adaptation gate valve convenient to installation bypass valve and the different specification instruments of adaptation.

In order to achieve the above purpose, the utility model provides a following technical scheme: including valve body, valve rod, flashboard, bypass valve and bypass flow path, the valve body in be provided with the sprue, the valve rod drive flashboard go up and down to constitute the cut-off and the circulation of sprue, the sprue including the side of the inflow that supplies the fluid to get into, the flashboard chamber that supplies the flashboard to go up and down and the side of effluenting that supplies the fluid to flow out, the bypass flow path including other inflow and other outflow runner, the bypass valve be located the position side by side with the flashboard chamber outside the valve body, other inflow one end and inflow side UNICOM, the other end and bypass valve UNICOM fixed be provided with the fixed ring flange that advances of bypass valve, other outflow runner one end with the side UNICOM that efflues, the other end and bypass valve UNICOM, its characterized in that: the tip of side play runner and bypass valve UNICOM be provided with along side play runner periphery axial displacement's regulation collar, the one end of regulation collar towards the bypass valve be provided with the fixed play ring flange of bypass valve, the other end of bypass dorsad is provided with welded fastening's bellows, bellows and the other end of adjusting the collar welded weld in the periphery of side play runner.

Through adopting above-mentioned technical scheme, add the regulation collar of following the peripheral axial displacement of other play runner, by removing the mounted position that forms different intervals, thereby the bypass valve of the different specifications of adaptation, the cooperation bellows, avoid the medium to reveal from the opposite side of the relative bypass valve of regulation collar, guarantee regulatory function and guarantee simultaneously sealed effect, furthermore, adjust the collar and still increased the convenience of daily maintenance or maintenance, only need to go out the ring flange and dismantle with the bypass valve, promote to adjust the collar and remove, can expose bypass valve inside, realize online operation, and non-traditional structure can only pull down the bypass valve completely and just can observe, install complex operation again and counterpoint inconvenience.

The utility model discloses further set up to: the flange plate is arranged in the first sealing groove along the circumferential direction, and the first sealing groove is internally provided with a first sealing ring matched with the first sealing groove in shape and a first sealing spring for resetting the first sealing ring to the bypass valve.

Through adopting above-mentioned technical scheme, as the position of dismantling often not, reset first sealing washer to the bypass valve by first sealing spring, realize automatic compensation's sealed effect, increase of service life.

The utility model discloses further set up to: go out the flange dish and be provided with second seal groove and the third seal groove of radially arranging in proper order along circumference, second seal groove and third seal groove in be provided with the second sealing washer of compressing in going out the flange dish and advancing the flange dish respectively, second seal groove and third seal groove still be provided with the deformation that aggravates the deformation of second sealing washer domatic.

Through adopting above-mentioned technical scheme, as the position of overhauing often, the extrusion through multilayer second sealing washer forms the sealed of installation department, is convenient for change and assemble, simultaneously, sets up deformation domatic in second seal groove and third seal groove, and the guide second sealing washer removes and aggravates second sealing washer deformation degree, optimizes sealed effect, avoids the second sealing washer to concentrate on and leads to sealed shape with the nominal in second seal groove and the third seal groove.

The utility model discloses further set up to: an elastic sealing layer is arranged between the inner periphery of the adjusting mounting ring and the outer periphery of the bypass flow passage.

Through adopting above-mentioned technical scheme, add the elastic sealing layer, on the one hand, increase and adjust the damping and the cooperation compactness between collar and the side play runner, guarantee the stability in the accommodation process and after the assembly, on the other hand, as the damping barrier, avoid the medium to get into between collar inner periphery and the side play runner periphery, cause wearing and tearing.

The utility model discloses further set up to: the bypass valve is a gate valve or a ball valve or a stop valve.

Through adopting above-mentioned technical scheme, the bypass valve can select different types to make up according to medium material and demand, and because the interval of mounted position can freely be adjusted, all kinds of all can seamless adaptation.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a bypass flow channel in an embodiment of the present invention;

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

FIG. 4 is a cross-sectional view of a bypass flow passage and an adjustment collar according to an embodiment of the present invention;

fig. 5 is an enlarged view of B in fig. 4.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-5, the utility model discloses a from adaptation gate valve, including valve body 1, valve rod 2, the flashboard, bypass valve 3 and side flow channel, the flashboard is located the valve body and is current structure, not show at the attached map, do not influence the structure understanding, be provided with the sprue in the valve body 1, valve rod 2 drive flashboard goes up and down to constitute the cutting off and the circulation of sprue, the sprue includes the influent stream side 11 that supplies the fluid to get into, the flashboard chamber 12 that supplies the flashboard to go up and down and the side 13 that flows that supplies the fluid to flow out, the side flow channel includes side influent stream channel 4 and side outlet flow channel 5, bypass valve 3 is located the position side by side outside the valve body 1 with flashboard chamber 12, side influent stream channel 4 one end and influent stream side 11 UNICOM, the other end and bypass valve 3 UNICOM fixedly are provided with the ring flange 41 fixed with bypass valve 3, side outlet flow channel 5 one end and side outlet flow channel 13 UNICOM, the other end and bypass valve 3 UNICOM, the tip that side outlet flow channel 5 and bypass valve 3 UNICOM is provided with the regulation ann along side outlet flow channel 5 periphery axial displacement The installing ring 6, one end of the adjusting installing ring 6 facing the bypass valve 3 is provided with a flange plate 61 fixed with the bypass valve 3, the other end opposite to the bypass is provided with a corrugated pipe 7 fixed by welding, the other end of the corrugated pipe 7 welded with the adjusting installing ring 6 is welded on the periphery of the bypass flow channel 5, the adjusting installing ring 6 axially moving along the periphery of the bypass flow channel 5 is additionally arranged, installing positions with different intervals are formed by moving, so that the adjusting installing ring 6 is adaptive to the bypass valves 3 with different specifications, the corrugated pipe 7 is matched to avoid medium leakage from the other side of the adjusting installing ring 6 relative to the bypass valve 3, the adjusting function is ensured and the sealing effect is ensured at the same time, in addition, the adjusting installing ring 6 also increases the convenience of daily maintenance, only the flange plate 61 is detached from the bypass valve 3, the adjusting installing ring 6 is pushed to move, the inside of the bypass valve 3 can be exposed, the online operation is realized, but the observation can be realized only by completely detaching the bypass valve 3 in the non-traditional structure, the reinstallation operation is complicated and the alignment is inconvenient.

The first sealing groove 411 is formed in the circumferential direction of the flange 41, the first sealing ring 412 matched with the shape of the first sealing groove 411 and the first sealing spring 413 for returning the first sealing ring 412 to the bypass valve 3 are arranged in the first sealing groove 411, and the first sealing ring 412 is returned to the bypass valve 3 by the first sealing spring 413 as a position which is not frequently detached, so that the sealing effect of automatic compensation is realized, and the service life is prolonged.

The second sealing groove 611 and the third sealing groove 612 are arranged in the radial direction in sequence along the circumferential direction of the outlet flange 61, the second sealing ring 613 compressed between the outlet flange 61 and the inlet flange 41 is arranged in each of the second sealing groove 611 and the third sealing groove 612, a deformation slope surface 614 for intensifying the deformation of the second sealing ring 613 is further arranged in each of the second sealing groove 611 and the third sealing groove 612, and as a position for frequent maintenance, the sealing of the installation position is formed by the extrusion of multiple layers of second sealing rings 613, so that the replacement and the assembly are convenient, meanwhile, the deformation slope surface 614 is additionally arranged in each of the second sealing groove 611 and the third sealing groove 612, so that the second sealing ring 613 is guided to move, the deformation degree of the second sealing ring 613 is intensified, the sealing effect is optimized, and the situation that the second sealing ring 613 is concentrated in the second sealing groove 611 and the third sealing groove 612 to form the same nominal sealing shape is avoided.

An elastic sealing layer 62 is arranged between the inner periphery of the adjusting mounting ring 6 and the outer periphery of the side outlet flow channel 5, the elastic sealing layer 62 is additionally arranged, on one hand, damping and matching tightness between the adjusting mounting ring 6 and the side outlet flow channel 5 are increased, stability in the adjusting process and after assembly is guaranteed, and on the other hand, the elastic sealing layer 62 is used as a damping barrier to prevent a medium from entering between the inner periphery of the adjusting mounting ring 6 and the outer periphery of the side outlet flow channel 5 to cause abrasion.

The bypass valve 3 is a gate valve or a ball valve or a stop valve, different types can be selected to be combined according to the material and the requirement of the medium, and the distance between the installation positions can be freely adjusted, so that various types can be seamlessly adapted.

Claims

1. The utility model provides a from adaptation gate valve, includes valve body, valve rod, flashboard, bypass valve and bypass flow, the valve body in be provided with the sprue, valve rod drive flashboard go up and down to constitute the cut-off and the circulation of sprue, the sprue including the side of intaking that supplies the fluid to get into, the flashboard chamber that supplies the flashboard to go up and down and the side of effluenting that supplies the fluid to flow out, the bypass flow include other intake flow way and other outflow runner, the bypass valve be located the position side by side with the flashboard chamber outside the valve body, other intake flow way one end and inflow side UNICOM, the other end and bypass valve UNICOM fixed be provided with the fixed ring flange of bypass valve, other outflow runner one end with the side UNICOM of effluenting, the other end and bypass valve UNICOM, its characterized in that: the tip of side play runner and bypass valve UNICOM be provided with along side play runner periphery axial displacement's regulation collar, the one end of regulation collar towards the bypass valve be provided with the fixed play ring flange of bypass valve, the other end of bypass dorsad is provided with welded fastening's bellows, bellows and the other end of adjusting the collar welded weld in the periphery of side play runner.

2. The self-adapting gate valve of claim 1, wherein: the flange plate is arranged in the first sealing groove along the circumferential direction, and the first sealing groove is internally provided with a first sealing ring matched with the first sealing groove in shape and a first sealing spring for resetting the first sealing ring to the bypass valve.

3. The self-adapting gate valve of claim 1, wherein: go out the flange dish and be provided with second seal groove and the third seal groove of radially arranging in proper order along circumference, second seal groove and third seal groove in be provided with the second sealing washer of compressing in going out the flange dish and advancing the flange dish respectively, second seal groove and third seal groove still be provided with the deformation that aggravates the deformation of second sealing washer domatic.

4. The self-adapting gate valve of claim 1, wherein: an elastic sealing layer is arranged between the inner periphery of the adjusting mounting ring and the outer periphery of the bypass flow passage.

5. The self-adapting gate valve of claim 1, wherein: the bypass valve is a gate valve or a ball valve or a stop valve.