CN219221324U

CN219221324U - Sealing assembly and flat gate valve

Info

Publication number: CN219221324U
Application number: CN202223439180.2U
Authority: CN
Inventors: 高云霞
Original assignee: Jiangsu Hongyuan Petrochemical Machinery Co ltd
Current assignee: Jiangsu Hongyuan Petrochemical Machinery Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-20
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the field of flat gate valves, and particularly discloses a sealing assembly and a flat gate valve, wherein the sealing assembly and the flat gate valve comprise a protective mounting frame and a sealing clamping assembly, the lower ends of the left wall and the right wall of the interior of the protective mounting frame are respectively provided with a fastening communication groove, the lower ends of the fastening communication grooves are connected with a bottom connecting box, the interior of the bottom connecting box is provided with a plug-in assembly, and the sealing clamping assembly is connected with the upper end of the plug-in assembly, and has the beneficial effects that: the mutual block between grafting subassembly and the sealed joint subassembly is connected, is fixing a position the restriction before fastening sealing device, is convenient for fasten the in-process be difficult for shifting, and then influence the leakproofness of equipment, bottom lag and bottom connection box's dual protection, further improve the leakproofness of equipment in extrusion process, the screw thread spinning between the fixed subassembly of side and the rotatory joint piece is connected for the extrusion plate can be inseparable laminating extrusion seal joint subassembly, prevents that equipment from becoming flexible influences the result of use.

Description

Sealing assembly and flat gate valve

Technical Field

The utility model relates to the field of flat gate valves, in particular to a sealing assembly and a flat gate valve.

Background

The flat gate valve is a sliding valve for closing a pipeline through the flashboard, the flat gate valve is widely applied to oilfield pipelines and generally comprises a valve body, a hand wheel, a screw and the flashboard, the flashboard is positioned inside the valve body, the screw and the flashboard are fixedly connected, the hand wheel is positioned outside the valve body and is in threaded connection with the screw, the flashboard can be lifted or put down by rotating the hand wheel, so that the effect of opening or closing the pipeline is achieved, a sealing structure is arranged inside to connect, and the tightness of a switch is improved.

The prior art publication No. CN204477354U, the patent of the name "flat gate valve", in the use, the device includes the valve body, the valve gap, the flashboard, the valve rod, hand wheel and disk seat, be equipped with the passageway in the valve body, valve gap and valve body fixed connection, and constitute and hold the chamber, hold the chamber and communicate with each other with the passageway, the lower part of valve rod is adorned with the flashboard and is linked, the upper portion and the hand wheel dress of valve rod link, disk seat fixed connection is in the valve body, and be located the flashboard both sides, still include the support, sealing washer skeleton and stopper, be equipped with axial accommodation hole on the valve gap, sealing washer skeleton suit is on the valve rod, and be located axial accommodation hole, all have the seal groove on the periphery on the sealing washer skeleton and the internal face, be equipped with the sealing washer in the seal groove, support fixed connection is in valve gap upper portion, and tightly support with sealing washer skeleton, stopper fixed connection is in holding the chamber of valve body, the periphery of valve rod is equipped with radial backstop. The valve rod and the valve cover have good sealing effect, and the flashboard has a limiting function.

The sealing effect of equipment is improved through setting up the sealing washer in the aforesaid, at the in-process of actual installation, does not have any relation of connection between sealing washer and the connecting tube before fastening connection, leads to being poor in the installation connectivity, and easy sealing connection's position produces certain skew in the extrusion process, and then has influenced the sealing effect of gate valve equipment, to above-mentioned condition, now provides a seal assembly and flat gate valve.

Disclosure of Invention

The present utility model is directed to a sealing assembly and a flat gate valve, which solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: sealing component and flat gate valve, sealing component and flat gate valve are including protection installation frame and sealed joint subassembly, both walls lower extreme all is provided with the fastening intercommunication groove about the inside of protection installation frame, and the lower extreme of fastening intercommunication groove is connected with the bottom connection box, the inside of bottom connection box is provided with grafting subassembly, sealed joint subassembly is connected in grafting subassembly's upper end.

Preferably, the plug-in assembly comprises a rubber protection block and an inserting hole, and the left end and the right end of the inner part of the rubber protection block are respectively provided with the inserting hole.

Preferably, the sealing clamping assembly comprises a plugboard and an inserting connection block, and the bottom wall of the plugboard is connected with the inserting connection block.

Preferably, the sealing clamping assembly further comprises a contact sealing ring and a bottom protecting sleeve, wherein the contact sealing ring is arranged on the inner side of the plug board, and the bottom protecting sleeve is connected with the lower end of the contact sealing ring.

Preferably, the inner side of the fastening communication groove is provided with a side fixing component, and the inner side of the side fixing component is connected with a rotary clamping block.

Preferably, the side fixing assembly comprises a fixing plate and connecting threads, and the connecting threads are arranged in the fixing plate.

Preferably, the bottom wall of the rotary clamping block is connected with an extrusion plate, and the rotary clamping block is integrally connected with the extrusion plate.

A flat gate valve comprises a flat gate valve body, and the sealing assembly is mounted on the flat gate valve body.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the mutual block connection between grafting subassembly and the sealed joint subassembly, can be before fastening sealing equipment the restriction of fixing a position earlier, be convenient for the difficult aversion of fastening in-process, and then influence the leakproofness of equipment, through the dual protection of bottom lag and bottom spread box, can further improve the leakproofness of equipment in the extrusion process, through the screw thread spinning connection between side fixed subassembly and the rotation joint piece for the extrusion plate can be inseparable laminating extrusion seal joint subassembly, prevent that equipment from not hard up influence result of use.

1. In the use process, because the inner parts of the two ends of the rubber protection block are provided with the mounting holes, the mounting connection blocks can be inserted into the rubber protection block for fixing, then the fixed plug board is clamped at the two ends of the rubber protection block for protection and sealing through the contact sealing rings, the positioning effect before equipment installation is improved through convenient clamping connection between An Chakong and the mounting connection blocks, the mounting connection blocks are convenient to shift, and the tightness of the equipment is further affected.

2. According to the utility model, after the contact sealing ring is fixedly connected, the contact sealing ring is fixedly and hermetically connected for one time, the side edge is hermetically protected, then the bottom protecting sleeve is clamped and fixed after being clung to the bottom connecting box at the lower end, the bottom can be protected when the gate valve is pressed downwards through the arrangement of the bottom protecting sleeve, and the sealing performance of the equipment can be further improved in the pressing process through the double protection of the bottom protecting sleeve and the bottom connecting box.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of a seal assembly and a flat gate valve according to the present utility model;

FIG. 2 is an enlarged schematic view of the seal assembly and flat gate valve of FIG. 1A according to the present utility model;

fig. 3 is a schematic partial perspective view of a seal assembly and a seal clamping assembly of a flat gate valve according to the present utility model.

In the figure: 1. a flat gate valve body; 2. a protective mounting frame; 3. fastening the communicating groove; 4. a bottom connecting box; 5. a plug assembly; 501. a rubber protective block; 502. an Chakong; 6. a sealing clamping assembly; 601. a plug board; 602. contacting the sealing ring; 603. inserting a connecting block; 604. a bottom protective sleeve; 7. a side fixing assembly; 701. a fixing plate; 702. a connecting thread; 8. rotating the clamping block; 9. and extruding the plate.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 and 3, the present utility model provides a technical solution: sealing component and flat gate valve, sealing component and flat gate valve are including protection installation frame 2 and sealed joint subassembly 6, both walls lower extreme all is provided with fastening intercommunication groove 3 about the inside of protection installation frame 2, and the lower extreme of fastening intercommunication groove 3 is connected with bottom spread box 4, the inside of bottom spread box 4 is provided with grafting subassembly 5, sealed joint subassembly 6 is connected in the upper end of grafting subassembly 5, grafting subassembly 5 includes rubber protection piece 501 and ampere-in hole 502, and both ends all are provided with and install-in hole 502 about the inside of rubber protection piece 501, sealed joint subassembly 6 includes plugboard 601 and ampere-in connecting block 603, the diapire of plugboard 601 is connected with and installs-in connecting block 603, in the use, because install-in hole 502 has all been seted up to the inside at rubber protection piece 501 both ends, can let install-in connecting block 603 insert inside fixed, then the both ends of fixing back plugboard 601 card at rubber protection piece 501, carry out the protection seal through contact seal circle 602, be connected by An Chakong and install convenient joint between the plugboard and improve the positioning effect before the equipment installation, be convenient for influence the sealing performance of the connecting block.

Referring to fig. 1 to 3, the sealing joint assembly 6 further includes a contact seal ring 602 and a bottom protection sleeve 604, the contact seal ring 602 is disposed on the inner side of the plugboard 601, the bottom protection sleeve 604 is connected to the lower end of the contact seal ring 602, a fixed sealing connection is performed after the contact seal ring 602 is fixedly connected, the opposite side is sealed and protected, then the bottom protection sleeve 604 is clamped and fixed after the bottom connection box 4 is tightly attached to the lower end, the bottom can be protected when the gate valve is pressed downwards through the arrangement of the bottom protection sleeve 604, the dual protection of the bottom protection sleeve 604 and the bottom connection box 4 is provided, the sealing performance of the device can be further improved in the pressing process, the side fixing assembly 7 is disposed on the inner side of the fastening communication groove 3, the side fixing assembly 7 is connected with the rotating clamping block 8, the side fixing assembly 7 includes a fixing plate 701 and a connecting thread 702, the inner side of the fixing plate 701 is provided with the connecting thread 702, the bottom wall of the rotating clamping block 8 is connected with the extrusion plate 9, the rotating clamping block 8 is integrally connected with the extrusion plate 9, the extrusion plate 9 through the setting of the side fixing plate, the inside of the side fixing plate 701 is protected against the sealing plate, the sealing plate is tightly contacting with the sealing ring 602, and the sealing effect is prevented from being affected by the sealing joint between the rotating clamping block 8 and the sealing plate 602.

A flat gate valve comprising a flat gate valve body 1, the flat gate valve body 1 having mounted thereon a seal assembly as described above.

Working principle: during the in-service use, because the installation hole 502 has all been seted up to the inside at rubber protection piece 501 both ends, can let the plug-in connection piece 603 insert inside and fix, then the plug-in connection piece 601 card is at the both ends of rubber protection piece 501 after fixing, protect seal through contact seal circle 602, be connected by An Chakong 502 and the convenient block of installing between the connection piece 603 and improve the location effect before the equipment installation, be convenient for shift in the fastening process, can carry out fixed seal connection after contact seal circle 602 carries out fixed connection, the offside seals protection, then bottom lag 604 can carry out the block after the bottom connection box 4 of hugging closely the lower extreme, can protect the bottom when the gate valve extrudees downwards through the setting of bottom lag 604, through the double protection of bottom lag 604 and bottom connection box 4, can further improve the leakproofness of equipment, the inside threaded connection who sets up connecting thread 702 and rotate between the joint piece 8 of side fixed plate 701, make the stripper plate 9 that the integration is connected can be inseparable contact seal circle 602, it is closely fixed to seal contact seal circle 602 under the prerequisite that does not influence gate valve work, prevent closely from loosening.

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. A seal assembly, characterized in that: the sealing assembly comprises a protection installation frame (2) and a sealing clamping assembly (6), wherein the lower ends of the left wall and the right wall of the inside of the protection installation frame (2) are respectively provided with a fastening communication groove (3), the lower ends of the fastening communication grooves (3) are connected with a bottom connecting box (4), the inside of the bottom connecting box (4) is provided with a plug assembly (5), and the sealing clamping assembly (6) is connected to the upper end of the plug assembly (5).

2. A seal assembly as defined in claim 1, wherein: the plug-in assembly (5) comprises a rubber protection block (501) and an inserting hole (502), and the left end and the right end of the inner part of the rubber protection block (501) are respectively provided with the inserting hole (502).

3. A seal assembly as defined in claim 1, wherein: the sealing clamping assembly (6) comprises a plug board (601) and an inserting connection block (603), and the bottom wall of the plug board (601) is connected with the inserting connection block (603).

4. A seal assembly according to claim 3, wherein: the sealing clamping assembly (6) further comprises a contact sealing ring (602) and a bottom protecting sleeve (604), the contact sealing ring (602) is arranged on the inner side of the plug board (601), and the bottom protecting sleeve (604) is connected to the lower end of the contact sealing ring (602).

5. A seal assembly as defined in claim 1, wherein: the inner side of the fastening communication groove (3) is provided with a side fixing component (7), and the inner side of the side fixing component (7) is connected with a rotary clamping block (8).

6. A seal assembly as defined in claim 5, wherein: the side fixing assembly (7) comprises a fixing plate (701) and connecting threads (702), and the connecting threads (702) are arranged inside the fixing plate (701).

7. A seal assembly as defined in claim 5, wherein: the bottom wall of the rotary clamping block (8) is connected with an extrusion plate (9), and the rotary clamping block (8) is integrally connected with the extrusion plate (9).

8. The utility model provides a flat gate valve, includes flat gate valve body (1), its characterized in that: the flat gate valve body (1) is provided with the sealing assembly as claimed in claims 1-7.