CN218152573U - Valve casting with high sealing performance - Google Patents

Abstract

The utility model relates to a valve casting field just discloses a valve casting of high leakproofness, including the valve body, the equal fixedly connected with mounting flange in both sides of valve body, the sealed piece of inner wall fixedly connected with of valve body, one side fixedly connected with dead lever of sealed piece, the outer wall of dead lever swing joint has reset spring and movable block respectively, one side fixedly connected with activity nose bar of movable block. This valve foundry goods of high leakproofness is favorable to the elasticity through reset spring for stretch into the inside of outside pipeline after driving the slip of activity nose bar, thereby carry through the activity nose bar fluidics, make to have increased the leakproofness, avoided having the interval between the flange and lead to taking place the problem of leaking easily, be favorable to buffering the effort that reset spring resets simultaneously, and be favorable to filling the interval between activity nose bar and the valve body, thereby further improvement the leakproofness.

Description

Valve casting with high sealing performance

Technical Field

The utility model relates to a valve casting technical field specifically is a valve casting of high leakproofness.

Background

The valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing, relieving pressure and the like.

Chinese patent No.: CN215215023U discloses a sealing valve foundry goods with prevent blockking up structure, this patent can drive the stirring frame through the commentaries on classics board that sets up, spliced pole, connecting rod and sealed piece isotructure, makes the stirring frame can stir the impurity in the garrulous sealing valve foundry goods to play the effect of preventing blockking up the valve, and the card pole, fixture block, draw-in groove and spring isotructure that set up, can be convenient for change the board and be connected with sealed piece, thereby the use of the stirring frame of being convenient for.

This patent presents the following problems in use:

1. when the flanges are connected, bolts for connection between the flanges can loosen after long-term use, so that a space can exist between the flanges, and then the problem of leakage is easy to occur;

2. the sealing effect is not good, thereby further causing a problem that leakage easily occurs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a valve foundry goods of high leakproofness possesses sealed effectual function, has solved the problem among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve foundry goods of high leakproofness, includes the valve body, the all fixedly connected with mounting flange in both sides of valve body, the sealed piece of inner wall fixedly connected with of valve body, one side fixedly connected with dead lever of sealed piece, the outer wall difference swing joint of dead lever has reset spring and movable block, one side fixedly connected with activity protruding pole of movable block, the spread groove has been seted up to the both sides opening part of valve body, is favorable to the elasticity through reset spring for stretch into the inside of outside pipeline after driving the slip of activity protruding pole, thereby carry the fluid through the activity protruding pole, make and increased the leakproofness, avoided having the interval between the flange and leaded to taking place the problem of leaking easily, be favorable to buffering the effort that resets reset spring simultaneously, and be favorable to filling the interval between activity protruding pole and the valve body, thereby further improvement the leakproofness.

Preferably, the inner wall of the fixed flange is provided with mounting holes, and the mounting holes are distributed along the axial center line of the fixed flange at equal angles, so that the fixed flange is conveniently connected with the flange of an external pipeline through the mounting holes.

Preferably, the sealing block is of an elastic structure, the outer wall of the sealing block is abutted to the outer wall of one side of the movable block, and the sealing block is convenient to buffer when the movable block resets and slides.

Preferably, logical groove has been seted up to the inner wall of sealed piece, and the protruding pole of activity passes through logical groove and sealed piece sliding connection, and the mutual butt of the inner wall of sealed piece and the outer wall of the protruding pole of activity, has made things convenient for sealed piece to seal movable protruding pole.

Preferably, the movable block and the fixed rod form a telescopic structure through the return spring, and the fixed rod is a smooth surface, so that the return spring drives the movable block to reset and slide.

Preferably, the through-hole has been seted up to the inner wall of movable block, and the movable block passes through-hole and dead lever sliding connection, has made things convenient for to support the movable block.

Preferably, the movable blocks are distributed at equal angles along the axial center line of the movable convex rod, and the movable convex rod is in through connection with the valve body through the connecting groove, so that the sliding stability of the movable convex rod is improved.

Preferably, the movable convex rod is of a hollow structure and is communicated with the inside of the valve body, so that fluid of an external pipeline can flow into the inside of the valve body through the movable convex rod conveniently.

Advantageous effects

Compared with the prior art, the utility model provides a valve casting of high leakproofness possesses following beneficial effect:

1. this valve foundry goods of high leakproofness through the valve body, mounting flange, mounting hole, dead lever, reset spring, movable block, through-hole and the protruding pole of activity that sets up, is favorable to the elasticity through reset spring for drive the inside that stretches into outside pipeline after the protruding pole of activity slides, thereby carry the fluidfluid through the protruding pole of activity, make to have increased the leakproofness, avoided having the interval between the flange and lead to taking place the problem of leaking easily.

2. This valve foundry goods of high leakproofness through the sealed piece that sets up with lead to the groove, is favorable to buffering the effort that reset spring resets to be favorable to filling the interval between activity nose bar and the valve body, thereby further improvement the leakproofness.

Drawings

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

FIG. 2 is a schematic view of the front cross-section structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the side-view connecting structure of the fixed rod and the movable block of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the sealing block of the present invention.

In the figure: 1. a valve body; 2. a fixed flange; 3. mounting holes; 4. a sealing block; 5. a through groove; 6. fixing the rod; 7. a return spring; 8. a movable block; 9. a through hole; 10. a movable protruding rod; 11. and connecting the grooves.

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 efforts all belong to the protection scope of the present invention.

Example 1

The preferred embodiment of the valve casting of the high leakproofness that the utility model provides is shown in fig. 1 to 5: the utility model provides a valve casting of high leakproofness, including valve body 1, the equal fixedly connected with mounting flange 2 in both sides of valve body 1, the sealed piece 4 of inner wall fixedly connected with of valve body 1, one side fixedly connected with dead lever 6 of sealed piece 4, the outer wall of dead lever 6 swing joint has reset spring 7 and movable block 8 respectively, one side fixedly connected with activity nose bar 10 of movable block 8, spread groove 11 has been seted up to the both sides opening part of valve body 1, be favorable to the elasticity through reset spring 7, make the inside that stretches into outside pipeline after driving activity nose bar 10 slides, thereby carry the fluid through activity nose bar 10, make the leakproofness increased, it leads to taking place the problem of leaking easily to have the interval between the flange to have avoided, be favorable to buffering the effort that reset spring 7 resets simultaneously, and be favorable to filling the interval between activity nose bar 10 and the valve body 1, thereby further the leakproofness has been improved.

In this embodiment, mounting hole 3 has been seted up to mounting flange 2's inner wall, and mounting hole 3 is along the equal angular distribution of mounting flange 2's axial direction central line, has made things convenient for mounting flange 2 to be connected with the flange of outside pipeline through mounting hole 3.

Furthermore, the sealing block 4 is of an elastic structure, and the outer wall of the sealing block 4 is abutted against the outer wall of one side of the movable block 8, so that the sealing block 4 can buffer the movable block 8 when the movable block 8 resets and slides.

Furthermore, the inner wall of the sealing block 4 is provided with a through groove 5, the movable convex rod 10 is connected with the sealing block 4 in a sliding mode through the through groove 5, the inner wall of the sealing block 4 is abutted against the outer wall of the movable convex rod 10, and the sealing block 4 is convenient to seal the movable convex rod 10.

Furthermore, the movable block 8 and the fixed rod 6 form a telescopic structure through the return spring 7, and the fixed rod 6 is a smooth surface, so that the return spring 7 can drive the movable block 8 to reset and slide conveniently.

Furthermore, the inner wall of the movable block 8 is provided with a through hole 9, and the movable block 8 is slidably connected with the fixed rod 6 through the through hole 9, so that the movable block 8 is conveniently supported.

Furthermore, the movable blocks 8 are distributed at equal angles along the axial center line of the movable convex rod 10, and the movable convex rod 10 is connected with the valve body 1 through the connecting groove 11, so that the sliding stability of the movable convex rod 10 is improved.

Furthermore, the movable protruding rod 10 is of a hollow structure, and the movable protruding rod 10 is communicated with the inside of the valve body 1, so that fluid in an external pipeline can flow into the inside of the valve body 1 through the movable protruding rod 10 conveniently.

When using, at first align the flange of outside pipeline with mounting hole 3 of mounting flange 2, accomplish the installation after connecting two flanges through the bolt after that, at this in-process, outside pipeline will promote activity protruding pole 10 and slide, make activity protruding pole 10 drive the slip of movable block 8, make the movable block 8 drive reset spring 7 compression deformation, after outside piping erection is accomplished, activity protruding pole 10 will align with outside pipeline, at this moment, elasticity through reset spring 7, make to drive the slip that resets of movable block 8, make the slip that resets of movable block 8 drive activity protruding pole 10, make the inside of activity protruding pole 10 stretched into outside pipeline, then make the fluid in the outside pipeline flow into the inside of valve body 1 through the hollow structure of activity protruding pole 10, thereby make the fluid when flowing, sealed effectual, and at this moment, through the sealed of sealed 4 pair activity protruding pole 10, the sealed effect has been improved.

In conclusion, the valve casting with high sealing performance improves the sealing effect and solves the problem of easy leakage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (8)

1. A valve casting of high leakproofness, includes valve body (1), its characterized in that: the utility model discloses a valve, including valve body (1), the both sides of valve body (1) are fixedly connected with mounting flange (2), the sealed piece of inner wall fixedly connected with (4) of valve body (1), one side fixedly connected with dead lever (6) of sealed piece (4), the outer wall difference swing joint of dead lever (6) has reset spring (7) and movable block (8), one side fixedly connected with activity protruding rod (10) of movable block (8), spread groove (11) have been seted up to the both sides opening part of valve body (1).

2. A high-leak-tightness valve casting according to claim 1, wherein: mounting holes (3) are formed in the inner wall of the fixing flange (2), and the mounting holes (3) are distributed at equal angles along the axial center line of the fixing flange (2).

3. A high-tightness valve casting according to claim 1, wherein: the sealing block (4) is of an elastic structure, and the outer wall of the sealing block (4) is mutually abutted with the outer wall of one side of the movable block (8).

4. A high-tightness valve casting according to claim 1, wherein: through groove (5) have been seted up to the inner wall of sealed piece (4), and activity nose bar (10) through leading to groove (5) and sealed piece (4) sliding connection, and the mutual butt of the inner wall of sealed piece (4) and the outer wall of activity nose bar (10).

5. A high-tightness valve casting according to claim 1, wherein: the movable block (8) and the fixed rod (6) form a telescopic structure through the reset spring (7), and the fixed rod (6) is a smooth surface.

6. A high-leak-tightness valve casting according to claim 1, wherein: through-hole (9) have been seted up to the inner wall of movable block (8), and movable block (8) pass through-hole (9) and dead lever (6) sliding connection.

7. A high-tightness valve casting according to claim 1, wherein: the movable block (8) is distributed along the axial center line of the movable convex rod (10) at equal angles, and the movable convex rod (10) is connected with the valve body (1) in a penetrating way through a connecting groove (11).

8. A high-tightness valve casting according to claim 1, wherein: the movable convex rod (10) is of a hollow structure, and the movable convex rod (10) is communicated with the interior of the valve body (1).

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