CN211693549U

CN211693549U - Sealing valve plate

Info

Publication number: CN211693549U
Application number: CN202020283117.6U
Authority: CN
Inventors: 付晓辉; 丁燕; 孙国斌
Original assignee: Weifang Yuchuan Machinery Co ltd
Current assignee: Weifang Yuchuan Machinery Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-10-16
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a sealing valve plate, which comprises a guide support positioned at the top, wherein the lower end of the guide support is provided with a cross-shaped support frame, the lower end of the cross-shaped support frame is provided with a sealing disc, the centers of the guide support frame and the cross-shaped support frame are provided with a valve rod hole, and the upper part of the valve rod hole is provided with a valve rod nut in threaded connection with the guide support frame; the bottom surface of the sealing disc is provided with an annular gasket groove, a sealing gasket is arranged in the annular gasket groove, the thickness of the sealing gasket is larger than the depth of the annular gasket groove, and the sealing gasket is detachably arranged on the sealing disc through a gasket pressing device; with sealed pad fastening through packing ring closing device in annular packing ring inslot, insert the valve rod in the valve rod hole and with valve-stem nut threaded connection, drive through rotating the valve rod the utility model discloses at the internal motion of bolt and reach sealed effect, the guide bracket has the effect of stabilizing the movement track, the cross support frame structure is then strengthened greatly the utility model discloses a bearing capacity, the utility model discloses a stability and leakproofness all improve greatly.

Description

Sealing valve plate

Technical Field

The utility model relates to a sealed valve plate technical field especially relates to a sealed valve plate that is used for burying formula fire hydrant deeply.

Background

The fire hydrant is a fixed fire-fighting equipment, and mainly has the functions of controlling combustible substances, isolating combustion-supporting substances and eliminating ignition sources. It is divided into indoor fire hydrant and outdoor fire hydrant. The buried fire hydrant is an outdoor fire hydrant, and the fire hydrant generally adopts rising stem flange gate valve, and the fire hydrant advances water from the bottom, then realizes the circulation and the separation of rivers through opening and shutting of a sealed valve plate, and its sealing performance has been decided to the flashboard structure of this gate valve, and the general gate valve ubiquitous that has used on the market for a long time leaks or rust phenomenon, and stability and leakproofness are poor.

Disclosure of Invention

The utility model aims to solve the technical problem that a sealed valve plate that stability is strong and sealed effectual is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: a sealing valve plate comprises a guide support positioned at the top, wherein a cross-shaped support frame is arranged at the lower end of the guide support frame, a sealing disc is arranged at the lower end of the cross-shaped support frame, a valve rod hole is formed in the centers of the guide support frame and the cross-shaped support frame, and a valve rod nut in threaded connection with the guide support frame is installed on the upper portion of the valve rod hole; the bottom surface of sealed dish is provided with annular gasket groove, annular gasket inslot installs sealed the pad, sealed thickness of filling up is greater than the degree of depth in annular gasket groove, sealed pad pass through packing ring closing device demountable installation be in seal on the dish.

According to a preferable technical scheme, the valve rod hole is a stepped hole, the inner diameter of the valve rod hole at the center of the guide support is larger than that of the valve rod hole at the center of the cross-shaped support frame, the valve rod nut is installed in the valve rod hole at the center of the guide support, and the valve rod nut is provided with an internal thread matched with a valve rod for use.

As the preferred technical scheme, the packing ring closing device includes that the supporting is at the sealed annular sealed clamp plate that fills up the lateral surface of sealing, the external diameter of sealed clamp plate is greater than the internal diameter of sealed pad, the internal diameter of sealed clamp plate is less than the internal diameter of sealed pad, sealed clamp plate passes through a plurality of fastening bolt and installs sealed epaxial.

According to the preferable technical scheme, the guide support is a longitudinal sliding plate which is located on two sides of the valve rod hole and is arranged oppositely, sliding grooves are formed in the inner wall of the hydrant body of the fire hydrant and correspond to the sliding plates, and the sliding plates are arranged in the sliding grooves in a sliding mode respectively.

As a preferred technical scheme, the cross-shaped support frame is four arc-shaped support plates which are radially arranged by taking the valve rod hole as a center, wherein two opposite arc-shaped support plates are respectively connected with the sliding plate positioned above the arc-shaped support plates.

By adopting the technical scheme, the sealing valve plate comprises a guide support positioned at the top, a cross-shaped support frame is arranged at the lower end of the guide support frame, a sealing disc is arranged at the lower end of the cross-shaped support frame, a valve rod hole is formed in the centers of the guide support frame and the cross-shaped support frame, and a valve rod nut in threaded connection with the guide support frame is installed at the upper part of the valve rod hole; the bottom surface of the sealing disc is provided with an annular gasket groove, a sealing gasket is arranged in the annular gasket groove, the thickness of the sealing gasket is larger than the depth of the annular gasket groove, and the sealing gasket is detachably arranged on the sealing disc through a gasket pressing device; the utility model has the advantages that: will sealed the pad passes through packing ring closing device fastens annular packing ring inslot, inserts the valve rod in the valve rod hole and with valve-stem nut threaded connection drives through rotating the valve rod the utility model discloses reach sealed effect at the internal motion of bolt, the guide bracket has the effect of stabilizing the movement track, cross support frame structure then strengthens greatly the utility model discloses a bearing capacity, the utility model discloses stability and leakproofness all improve greatly.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

figure 1 is a cross-sectional view of an embodiment of the invention;

fig. 2 is a usage effect diagram of the embodiment of the present invention.

In the figure: 1-fastening a bolt; 2, sliding plates; 3-a sealing gasket; 4-arc support plate; 5-valve stem hole; 6-valve stem nut; 7-a sealing gasket pressing plate; 8-sealing disc; 9-the suppository body; 10-chute.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1, the sealing valve plate comprises a guide support positioned at the top, a cross support frame is arranged at the lower end of the guide support, a sealing disc 8 is arranged at the lower end of the cross support frame, a valve rod hole 5 is arranged at the centers of the guide support and the cross support frame, and a valve rod nut 6 in threaded connection with the guide support is arranged at the upper part of the valve rod hole 5; an annular gasket groove is formed in the bottom surface of the sealing disc 8, a sealing gasket 3 is installed in the annular gasket groove, the thickness of the sealing gasket 3 is larger than the depth of the annular gasket groove, and the sealing gasket 3 is detachably installed on the sealing disc 8 through a gasket pressing device; will the utility model discloses in putting into the cock body 9 of fire hydrant, make the guide bracket is hugged closely the inner wall of cock body 9, will sealed pad 3 passes through packing ring closing device fastens annular gasket inslot, inserts the valve rod in the valve rod hole 5 and with 6 threaded connection of valve-stem nut drives through rotating the valve rod the utility model discloses the internal motion of cock body 9 reaches sealed effect, the guide bracket has the effect of steady motion orbit, the cross support frame structure is then strengthened greatly the utility model discloses a bearing capacity, the utility model discloses stability and leakproofness all improve greatly.

As shown in fig. 1, the valve rod hole 5 is a stepped hole, the inner diameter of the valve rod hole 5 at the center of the guide bracket is larger than the inner diameter at the center of the cross support bracket, the valve rod nut 6 is installed in the valve rod hole 5 at the center of the guide bracket, and the valve rod nut 6 is provided with an internal thread used in cooperation with a valve rod. The valve rod through self possess the external screw thread with valve-stem nut 6 the internal thread closely cooperates, makes the valve rod with the utility model discloses link together, when rotating during the valve rod, the utility model discloses also follow the rotation, realize the sealing of gate valve and open.

As shown in figure 1, the packing ring pressing device comprises an annular sealing gasket pressing plate 7 which is abutted against the outer side surface of the sealing gasket 3, the outer diameter of the sealing gasket pressing plate 7 is larger than the inner diameter of the sealing gasket 3, the inner diameter of the sealing gasket pressing plate 7 is smaller than the inner diameter of the sealing gasket 3, and the sealing gasket pressing plate 7 is installed on the sealing gasket 8 through a plurality of fastening bolts 1. Sealed pad 3 can adopt rigid plastic or rubber material, etc. when sealed pad 3 is ageing, can with fastening bolt 1 is unscrewed and is renewed sealed pad 3, sealed pad clamp plate 7 is annular sheet metal, can adopt stainless steel, and is rust-resistant and intensity high, because during flashboard body extrusion disk seat, sealed pad 3 has certain elasticity, consequently sealed pad clamp plate 7 can be absorbed in sealed pad 3 is sealed, consequently does not influence sealed pad 3 is to the sealed of disk seat, has consequently strengthened sealed effect.

As shown in fig. 2, the guide bracket is a longitudinal sliding plate 2 oppositely arranged at two sides of the valve rod hole 5, a sliding groove 10 is arranged on the inner wall of the bolt body 9 of the fire hydrant corresponding to the sliding plate 2, and the sliding plates 2 are respectively slidably mounted in the sliding grooves 10. Fire hydrant vertically set up two on the bolt body 9 inner wall spout 10, spout 10 gives slide 2 is with the guide effect, because water pressure is very big, if do not spout 10 with slide 2's guide effect, the valve rod drives very easily the utility model discloses rock in the bolt body 9, damage the part easily, consequently spout 10 with slide 2's setting has strengthened the utility model discloses a firmness has prolonged life.

As shown in fig. 1, the cross support frame is four arc support plates 4 radially arranged by taking the valve rod hole 5 as a center, wherein two opposite arc support plates 4 are respectively connected with the sliding plate 2 positioned above the two arc support plates. When the utility model discloses when opening, rivers are followed and are gone into in the bolt body 9 arc backup pad 4 block and let orderly the entering fire hydrant of rivers under the water conservancy diversion effect, strengthen greatly the utility model discloses a bearing capacity has prolonged life.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sealing valve plate, characterized by: the valve rod sealing device comprises a guide support positioned at the top, wherein a cross-shaped support frame is arranged at the lower end of the guide support, a sealing disc is arranged at the lower end of the cross-shaped support frame, a valve rod hole is formed in the centers of the guide support frame and the cross-shaped support frame, and a valve rod nut in threaded connection with the guide support frame is installed on the upper portion of the valve rod hole; the bottom surface of sealed dish is provided with annular gasket groove, annular gasket inslot installs sealed the pad, sealed thickness of filling up is greater than the degree of depth in annular gasket groove, sealed pad pass through packing ring closing device demountable installation be in seal on the dish.

2. A seal valve plate according to claim 1, wherein: the valve rod hole is a stepped hole, the inner diameter of the valve rod hole at the center of the guide support is larger than that at the center of the cross-shaped support frame, the valve rod nut is installed in the valve rod hole at the center of the guide support, and the valve rod nut is provided with an internal thread matched with a valve rod for use.

3. A seal valve plate according to claim 1, wherein: the packing ring pressing device comprises an annular sealing gasket pressing plate which is abutted against the outer side surface of the sealing gasket, the outer diameter of the sealing gasket pressing plate is larger than the inner diameter of the sealing gasket, the inner diameter of the sealing gasket pressing plate is smaller than the inner diameter of the sealing gasket, and the sealing gasket pressing plate is installed on the sealing gasket through a plurality of fastening bolts.

4. A seal valve plate according to claim 1, wherein: the fire hydrant is characterized in that the guide support is a longitudinal sliding plate which is positioned on two opposite sides of the valve rod hole, sliding grooves are correspondingly formed in the inner wall of the hydrant body of the fire hydrant and the sliding plates, and the sliding plates are respectively slidably mounted in the sliding grooves.

5. A seal valve plate according to claim 4, wherein: the cross support frame is four arc-shaped support plates which are radially arranged by taking the valve rod hole as a center, wherein the two opposite arc-shaped support plates are respectively connected with the sliding plate positioned above the arc-shaped support plates.