CN213685337U - Totally-enclosed gate valve - Google Patents

Abstract

The utility model discloses a totally enclosed push-pull valve, including upper cover plate, sealed strengthening rib, pull rod, lower apron, handle, positioning bolt, spout, closing plate, angle steel flange and connecting block. The utility model has the advantages that: the leakproofness at this push-pull valve connection position is guaranteed to sealed strengthening rib, reduce the possibility of this push-pull valve hourglass, increase this push-pull valve stability, the upper cover plate, the apron all is provided with the platform of rolling down, improve perfect outward appearance and intensity simultaneously for the convenience of installation, the upper cover plate all is connected with the angle steel flange with apron down, positioning bolt makes things convenient for this push-pull valve to fix a position when using, prevent that the closing plate from moving by a wide margin, influence its work efficiency, operation route and obturator are crossing are avoided to spout and connecting block, reduce the possibility of leaking out, effectively improve the stability of operating efficiency and connection, the valve body coats on the surface and is stamped the one deck and moulds the powder, it is a thermosetting powder coating for electrostatic spraying to mould the powder, more do benefit to and prevent that the valve body exposes.

Description

Totally-enclosed gate valve

Technical Field

The utility model relates to a push-pull valve specifically is a totally enclosed push-pull valve, belongs to push-pull valve technical field.

Background

The gate valve is also called as hand knife gate valve, the knife gate valve is a valve with gate plate and valve seat always tightly contacted and sealed, its principle is that a round mouth with size of drift diameter is opened on the gate plate, and the round mouth on the gate plate and the drift diameter are completely separated and matched by opening and closing the gate plate.

Although the existing gate valve is widely used, the existing gate valve still has some problems in the actual use process: (1) when an upper plate and a lower plate of the existing gate valve are connected, the connection parts of the upper plate and the lower plate are mostly welded by steel bars, so that the requirement on the level of workers is high, and gaps are easy to generate to cause air leakage; (2) in the process of opening and closing the existing gate valve, the airtightness of the existing gate valve cannot be ensured, and the operation path of the existing gate valve cannot be completely closed; (3) the existing gate valve is long in installation time, influences the operation efficiency and is poor in connection strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a totally enclosed push-pull valve for solving the above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a totally enclosed gate valve comprises an upper cover plate, a sealing reinforcing rib, a pull rod, a lower cover plate, a handle, a positioning bolt, a sliding groove, a sealing plate, an angle steel flange and a connecting block; the upper cover plate is arranged above the lower cover plate, the sealing reinforcing ribs are wrapped at the joint of the upper cover plate and the lower cover plate, the pull rod is of a long rod-shaped structure and is inserted into the sliding groove, the lower cover plate is consistent with the upper cover plate in shape and is arranged below the upper cover plate, the handle is integrally welded on the upper cover plate in a T-shaped structure, a butterfly bolt is connected with a welding nut and is welded above the surface of the sliding groove, the sliding groove is of a cuboid cavity-shaped structure and is arranged on the upper cover plate, the sealing plate is fixed between the upper cover plate and the lower cover plate and is located below the pull rod, the angle steel flange is fixed on the surface of the upper cover plate and the surface of the lower cover plate in.

Preferably, in order to ensure the tightness of the connection part of the gate valve, reduce the possibility of air leakage of the gate valve and improve the aesthetic degree and the strength, the sealing reinforcing ribs replace the traditional welding seams, and the upper cover plate and the lower cover plate are connected by adopting a wrapping structure and are fixed on the valve frame through compression molding.

Preferably, in order to facilitate the opening and closing of the gate valve, simplify the operation mode, shorten the operation time and ensure the complete tightness of the gate valve, the pull rod and the sealing plate jointly form a closed control structure of the gate valve, the sealing plate is in plug-in connection with the upper cover plate and the lower cover plate, the edge end of the sealing plate is inserted into an inner seam at the joint of the upper cover plate and the lower cover plate, and the pull rod and the sliding groove are in sliding connection.

Preferably, for the convenience this push-pull valve fixes a position when using, prevents that the closing plate from shifting by a wide margin, influences its work efficiency, and conveniently controls the closing plate and open and shut the size, positioning bolt is butterfly bolt connection welded nut and welds the spout surface top, and it fixes a position the pull rod through bolted connection's mode.

Preferably, in order to avoid intersecting the operation path and the closed port, the possibility of air leakage is reduced, the operation efficiency and the connection stability are effectively improved, the chute and the connecting block jointly form a connecting structure of the gate valve, and the upper end and the lower end of the connecting block are respectively fixed on the pull rod and the sealing plate in a welding mode.

Preferably, for the stability and the functionality that improve this push-pull valve, this push-pull valve upper cover plate all is provided with the platform of rolling with apron down, improves perfect outward appearance and intensity for convenient installation simultaneously, and the upper cover plate all is connected with the angle steel flange with apron down.

The utility model has the advantages that: the totally-enclosed gate valve is reasonable in design, the sealing reinforcing ribs replace traditional welding seams, the upper cover plate and the lower buckle plate are connected by adopting a wrapping structure and are fixed on the valve frame through pressing forming, the tightness of the connection part of the gate valve is ensured, the air leakage possibility of the gate valve is reduced, the perfect appearance and the strength are improved for convenient installation, the upper cover plate and the lower cover plate are both connected with angle steel flanges, the pull rod and the sealing plate jointly form a sealing control structure of the gate valve, the sealing plate is in plug-in connection with the upper cover plate and the lower cover plate, the edge end of the sealing plate is inserted into the inner seam of the connection part of the upper cover plate and the lower cover plate, the pull rod and the sliding chute are in sliding connection, the opening and closing of the gate valve are facilitated, the operation mode is simplified, the operation time is shortened, the complete tightness of the gate valve is ensured, and the, its mode through bolted connection fixes a position the pull rod, makes things convenient for this push-pull valve to fix a position when using, prevents that the closing plate from moving by a wide margin, influences its work efficiency, and conveniently controls the closing plate size that opens and shuts, and the connection structure of this push-pull valve is constituteed jointly to spout and connecting block, and both ends are all fixed respectively on pull rod and closing plate through the welded mode about the connecting block, avoid operation route and airtight mouthful crossing, reduce the possibility of leaking out, and effectively improve the stability of operating efficiency and connection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a local structure of the present invention.

In the figure: 1. upper cover plate, 2, sealed strengthening rib, 3, pull rod, 4, lower cover plate, 5, handle, 6, positioning bolt, 7, spout, 8, closing plate, 9, angle steel flange and 10, connecting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a totally enclosed gate valve includes an upper cover plate 1, a sealing reinforcing rib 2, a pull rod 3, a lower cover plate 4, a handle 5, a positioning bolt 6, a chute 7, a sealing plate 8, an angle steel flange 9 and a connecting block 10; the upper cover plate 1 is installed above the lower cover plate 4, the sealing reinforcing ribs 2 are wrapped at the joint of the upper cover plate 1 and the lower cover plate 4, the pull rod 3 is of a long rod-shaped structure and is inserted into the sliding groove 7, the lower cover plate 4 and the upper cover plate 1 are identical in shape and are arranged below the upper cover plate 1, the handle 5 is of a T-shaped structure and is integrally welded on the upper portion, the positioning bolts 6 are welded above the surface of the sliding groove through butterfly bolt connection welding nuts, the sliding groove 7 is of a cuboid cavity-shaped structure and is installed on the upper cover plate 1, the sealing plate 8 is fixed between the upper cover plate 1 and the lower cover plate 4 and is located below the pull rod 3, the angle steel flange 9 is fixed on the surfaces of the upper cover plate 1 and the lower cover plate 4 in a welding mode, and the connecting block 10 is.

The sealing reinforcing ribs 2 replace the traditional welding seams, the upper cover plate 1 and the lower cover plate 4 are connected by adopting a wrapping structure and are fixed on the valve frame through press forming, the tightness of the connection part of the gate valve is ensured, the possibility of air leakage of the gate valve is reduced, the attractiveness and the strength are improved, the pull rod 3 and the sealing plate 8 jointly form a sealing control structure of the gate valve, the sealing plate 8 is in plug-in connection with the upper cover plate 1 and the lower cover plate 4, the edge end of the sealing plate is inserted into an inner seam at the connection part of the upper cover plate 1 and the lower cover plate 4, the pull rod 3 and the chute 7 are in sliding connection, the opening and closing of the gate valve are facilitated, the operation mode is simplified, the operation time is shortened, the complete tightness of the gate valve is ensured, the positioning bolts 6 are in butterfly bolt connection and welded nuts are welded above the chute surface, and the pull rod 3 is positioned in a, make things convenient for this push-pull valve to fix a position when using, prevent that closing plate 8 from moving by a wide margin, influence its work efficiency, and conveniently control closing plate 8 size that opens and shuts, angle steel flange 9 is fixed at upper cover plate 1 and lower apron 4 surfaces through welded mode, and both ends are all fixed respectively on pull rod 3 and closing plate 8 through welded mode about connecting block 10, avoid operation route and airtight mouthful crossing, reduce the possibility of leaking out, and effectively improve the stability of operating efficiency and connection.

The working principle is as follows: when using this totally enclosed push-pull valve, at first install this push-pull valve on appointed equipment, when opening, not hard up positioning bolt 6, pulling handle 5 drives closing plate 8 through spout 7 and connecting block 10 and moves, opens, locks positioning bolt 6 and fixes it after targetting in place, prevents that it from sliding closed, during closing, promotes handle 5 for closing plate 8 inserts between the insertible inner seam of upper cover plate 1 and lower apron 4 can.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a totally enclosed push-pull valve which characterized in that: comprises an upper cover plate (1), a sealing reinforcing rib (2), a pull rod (3), a lower cover plate (4), a handle (5), a positioning bolt (6), a sliding groove (7), a sealing plate (8), an angle steel flange (9) and a connecting block (10); the upper cover plate (1) is arranged above the lower cover plate (4), the sealing reinforcing ribs (2) are wrapped at the joint of the upper cover plate (1) and the lower cover plate (4), the pull rod (3) is in a long rod-shaped structure and is inserted into the sliding groove (7), the lower cover plate (4) is in the same shape with the upper cover plate (1) and is arranged below the upper cover plate (1), the handle (5) is in a T-shaped structure and is integrally welded on the pull rod (3), the positioning bolt (6) is in a butterfly bolt connection welding nut and is welded above the surface of the sliding groove (7), the sliding groove (7) is in a cuboid cavity-shaped structure and is arranged on the upper cover plate (1), the sealing plate (8) is fixed between the upper cover plate (1) and the lower cover plate (4) and is positioned below the pull rod (3), and the angle steel flanges (9) are respectively welded on the surfaces of the upper cover plate (1) and the lower cover plate (4), the connecting block (10) is connected between the pull rod (3) and the sealing plate (8).

2. The totally enclosed gate valve according to claim 1, characterized in that: the sealing reinforcing ribs (2) replace traditional welding seams, the upper cover plate (1) and the lower cover plate (4) are connected through a wrapping structure, and the sealing reinforcing ribs are fixed on the valve frame through compression molding.

3. The totally enclosed gate valve according to claim 2, characterized in that: pull rod (3) and closing plate (8) constitute the airtight control structure of this push-pull valve jointly, and closing plate (8) are bayonet connection with upper cover plate (1) and lower apron (4), and its edge end inserts the inseam of upper cover plate (1) and lower apron (4) junction, and pull rod (3) and spout (7) are sliding connection, angle steel flange (9) are fixed at upper cover plate (1) and apron (4) surface down through welded mode.

4. A totally enclosed gate valve as claimed in any one of claims 1 to 3, wherein: the pull rod (3) is positioned by the positioning bolt (6) in a bolt connection mode.

5. The totally enclosed gate valve according to claim 4, characterized in that: the connecting structure of the gate valve is formed by the sliding groove (7) and the connecting block (10) together, and the upper end and the lower end of the connecting block (10) are fixed on the pull rod (3) and the sealing plate (8) respectively in a welding mode.

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