CN218377752U - Non-rising stem elastic seat seal gate valve - Google Patents

Abstract

The utility model discloses a dark pole elastic seat seals gate valve relates to dark pole elastic seat seals gate valve technical field, which comprises a valve body, the fixed topshell that is provided with in top of valve body, the inside of topshell is run through there is the valve rod, the fixed sealing ring that is provided with in inner chamber junction of valve rod and topshell, the outside movable mounting of lower extreme of valve rod has the flashboard, the sealing washer has been installed with the inner chamber junction of topshell is fixed to the flashboard, closed protection component has been installed in the upper portion surface activity of flashboard, the lower part surface activity of flashboard has been installed and has been opened protection component. The utility model provides a dark pole elastic seat seals gate valve, through closed protection subassembly and open linkage cooperation setting between protection subassembly and the flashboard, when the flashboard goes up and down, can cooperate with last baffle or lower baffle, protect the flashboard by the baffle, can avoid rivers impact force direct action lower flashboard surface and cause the flashboard deformation to damage, prolonged the life of valve body, do not influence the break-make of valve body simultaneously and use.

Description

Non-rising stem elastic seat seal gate valve

Technical Field

The utility model relates to a dark pole elasticity seat seals gate valve technical field specifically is a dark pole elasticity seat seals gate valve.

Background

The non-rising stem elastic seat seal gate valve is characterized in that the opening and closing piece is a gate plate, the moving direction of the gate plate is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled.

Patent No. CN202022287039.X discloses a dark pole elasticity seat seals gate valve, which comprises a valve body, fixed connection casing bottom in the middle of the valve body top, casing top fixed connection seal cover outer wall, the casing top is close to seal cover bottom fixed connection sealing washer outer lane, and this valve body goes up and down through telescopic link control baffle and protects the valve plate, nevertheless respectively sets up for independent structure between the valve plate of this valve body and the baffle, and linkage cooperation ability between the two is relatively poor, probably has the valve plate to go up and down to finish and the state that the baffle has not yet started for the protection effect of baffle to the valve plate is not good, is difficult to satisfy user's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dark pole elasticity seat seals gate valve to solve the problem of dark pole elasticity seat seals gate valve among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a dark pole elastic seat seals gate valve, includes the valve body, the fixed top shell that is provided with in top of valve body, the inside of top shell is run through there is the valve rod, the fixed sealing ring that is provided with in inner chamber junction of valve rod and top shell, the outside movable mounting of lower extreme of valve rod has the flashboard, the sealing washer has been installed with the inner chamber junction of top shell is fixed, closed protection component has been installed in the upper portion surface activity of flashboard, the protection component has been opened in the lower part surface activity of flashboard, the inner wall of valve body seted up and opened protection component matched with standing groove.

Optionally, the closed protection component comprises a groove, the groove is formed in the upper portion of the surface of the flashboard, an upper baffle is movably connected to the inner wall of the groove, a pin rod penetrates through the joint between the groove and the upper baffle, and a torsion spring is movably sleeved outside the pin rod.

Optionally, the opening protection component comprises a pull rod, the tail end of the pull rod is movably connected with a lower baffle, and one end of the lower baffle is hinged to the inner wall of the placing groove.

Optionally, the flashboard and the top shell form a lifting structure through a valve rod, and the valve rod is in threaded connection with an inner cavity of the flashboard.

Optionally, the sealing ring is tightly attached to the inner cavity of the top shell, and the sealing ring is bonded with the top of the flashboard through glue.

Optionally, the upper baffle and the gate form an elastic rotating structure through a torsion spring.

Optionally, the lower baffle and the gate plate form a linkage structure through a pull rod.

The utility model discloses a technological effect and advantage:

1. dark pole elastic seat seals gate valve, through closed protection component and the cooperation setting of opening protection component, two subassemblies all cooperate for the linkage between with the flashboard, when the flashboard moves down, the overhead gage bounces under the torsional spring supports and protects the flashboard, when the flashboard ascends, the overhead gage retracts gradually, the pull rod pulls up the lower baffle along with lifting up of flashboard, the guard effect of baffle to the flashboard has been guaranteed, under the cooperation of overhead gage and lower baffle, at flashboard switching in-process, can avoid rivers impact force direct action lower flashboard surface and cause the flashboard deformation to damage, the life of valve body has been prolonged, the break-make that does not influence the valve body simultaneously is used.

2. Dark pole elastic seat seals gate valve uses the valve, rotates the valve rod for the flashboard with the valve rod between screw-thread fit under, along with the rotation of valve rod carry out the lifting movement, carry out nimble control to the switching of valve body, through the screw-thread fit between flashboard and valve rod, simple structure, the valve switching is convenient, has satisfied user's user demand.

Drawings

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

FIG. 2 is a schematic view of the shutter opening structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a top shell; 3. a valve stem; 4. a seal ring; 5. a shutter plate; 6. a seal ring; 7. closing the protection assembly; 71. a groove; 72. an upper baffle plate; 73. a pin rod; 74. a torsion spring; 8. opening a protection component; 81. a pull rod; 82. a lower baffle plate; 9. and (6) placing the groove.

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.

The utility model provides a non-rising stem elastic seat seal gate valve as shown in figures 1-3, which comprises a valve body 1; 2. a top shell; 3. a valve stem; 4. a seal ring; 5. a gate plate; 6. a seal ring; 7. closing the protection assembly; 71. a groove; 72. an upper baffle plate; 73. a pin rod; 74. a torsion spring; 8. opening a protection component; 81. a pull rod; 82. a lower baffle plate; 9. the standing groove, the fixed top shell 2 that is provided with in top of valve body 1, the inside of top shell 2 is run through there is valve rod 3, valve rod 3 is provided with sealing ring 4 with the fixed inner chamber junction of top shell 2, the outside movable mounting of lower extreme of valve rod 3 has flashboard 5, flashboard 5 has installed sealing washer 6 with the fixed inner chamber junction of top shell 2, closed protection component 7 has been installed in the upper portion surface activity of flashboard 5, the lower part surface activity of flashboard 5 has been installed and has been opened protection component 8, the inner wall of valve body 1 is seted up and is opened protection component 8 matched with standing groove 9.

The closing protection component 7 comprises a groove 71, the groove 71 is formed in the upper portion of the surface of the gate plate 5, an upper baffle plate 72 is movably connected to the inner wall of the groove 71, a pin rod 73 penetrates through the joint between the groove 71 and the upper baffle plate 72, and a torsion spring 74 is movably sleeved outside the pin rod 73.

The opening protection component 8 comprises a pull rod 81, the tail end of the pull rod 81 is movably connected with a lower baffle 82, and one end of the lower baffle 82 is hinged with the inner wall of the placing groove 9.

Flashboard 5 and topshell 2 constitute elevation structure through valve rod 3, and be threaded connection between the inner chamber of valve rod 3 and flashboard 5, during the use valve, rotate valve rod 3 for flashboard 5 under the screw-thread fit with valve rod 3 within a definite time, carry out lifting movement along with the rotation of valve rod 3, carry out nimble control to the switching of valve body 1, through the screw-thread fit between flashboard 5 and valve rod 3, simple structure, the valve switching is convenient, has satisfied user's user demand.

Sealing washer 6 closely laminates with 2 inner chambers of epitheca, and bonds for glue between sealing washer 6 and the flashboard 5 top, sets up sealing washer 6 through setting up at flashboard 5 and 2 junctions of epitheca, can guarantee the leakproofness of flashboard 5 when the lift removal between 2 with the epitheca, avoids rivers to flow into the normal use that 2 inner chambers of epitheca influence valve body 1.

The upper baffle 72 and the flashboard 5 form an elastic rotating structure through the torsion spring 74, when the valve body 1 is closed, along with the downward movement of the flashboard 5, the upper baffle 72 gradually descends, the limitation from the valve body 1 that the upper baffle 72 receives disappears at the moment, the upper baffle 72 outwards rotates under the elastic action of the torsion spring 74 and is opened, water flow is blocked, the upper baffle 72 is arranged through the closed protection component 7, when the flashboard 5 downwards moves to close the valve body 1, the upper baffle 72 outwards bounces, so that water flow is prevented from directly impacting on the surface of the flashboard 5, the flashboard 5 is protected by the upper baffle 72, the flashboard 5 is prevented from being deformed and damaged due to water flow impact, and the normal use of the valve body 1 is ensured.

Baffle 82 constitutes linkage structure through pull rod 81 with flashboard 5 down, and when valve body 1 opened, flashboard 5 shifted up, and pull rod 81 shifted up along with flashboard 5 this moment to baffle 82 is pulled up down, blockked rivers by baffle 82 down, in order to avoid flashboard 5 because of directly receiving the rivers impact deformation damage, prolonged valve body 1's life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a dark pole elastic seat seals gate valve, includes valve body (1), its characterized in that: the fixed topshell (2) that is provided with in top of valve body (1), the inside of topshell (2) is run through and is had valve rod (3), fixed sealing ring (4) that is provided with in inner chamber junction of valve rod (3) and topshell (2), the outside movable mounting of lower extreme of valve rod (3) has flashboard (5), sealing washer (6) have been installed with the inner chamber junction of topshell (2) is fixed in flashboard (5), closed protection component (7) have been installed in the upper portion surface activity of flashboard (5), the lower part surface activity of flashboard (5) has been installed and has been opened protection component (8), inner wall of valve body (1) is seted up and is opened protection component (8) matched with standing groove (9).

2. A blind stem elastomeric seating gate valve as defined in claim 1, wherein: closed protection component (7) include recess (71), the surperficial upper portion of flashboard (5) is seted up in recess (71), the inner wall swing joint of recess (71) has overhead gage (72), the junction between recess (71) and overhead gage (72) runs through pin rod (73), the outside movable sleeve of pin rod (73) is equipped with torsional spring (74).

3. A blind stem elastomeric seating gate valve as defined in claim 1, wherein: the opening protection assembly (8) comprises a pull rod (81), the tail end of the pull rod (81) is movably connected with a lower baffle (82), and one end of the lower baffle (82) is hinged to the inner wall of the placing groove (9).

4. A blind stem elastomeric seating gate valve as defined in claim 1, wherein: flashboard (5) and topshell (2) constitute elevation structure through valve rod (3), and be threaded connection between the inner chamber of valve rod (3) and flashboard (5).

5. A non-rising stem elastomeric seating gate valve as defined in claim 1, wherein: sealing washer (6) and top shell (2) inner chamber closely laminate, and bond for glue between sealing washer (6) and flashboard (5) top.

6. A blind stem elastomeric seating gate valve as defined in claim 2, wherein: the upper baffle plate (72) and the gate plate (5) form an elastic rotating structure through a torsion spring (74).

7. A blind stem elastomeric seating gate valve as defined in claim 3, wherein: the lower baffle plate (82) and the gate plate (5) form a linkage structure through a pull rod (81).

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