CN213575660U - Expanding double-gate valve - Google Patents

Abstract

The utility model discloses an expanding double-gate-plate gate valve, which comprises a valve body, the equal fixedly connected with honeycomb duct in both sides of valve body lower extreme, the one end fixedly connected with seal receptacle that honeycomb duct inner chamber was kept away from each other, the middle-end fixedly connected with dead lever in honeycomb duct inner chamber, two the equal fixedly connected with gag lever post in both ends of one side is kept away from each other to the dead lever. The utility model discloses a valve body, the threaded rod, the fixed block, the valve plate, the honeycomb duct, the dead lever, a spring, the hemisphere ejector pad, under the effect of mutually supporting between push rod and closing plate and the seal receptacle, it possesses multiple sealed effect to have realized this valve, very big improvement the sealing performance of this valve, the effectual phenomenon of avoiding this valve to appear sealed not tight in the use, it is relatively poor to have solved the sealed effect of current double-disc gate valve, easily appear sealed not tight and lead to the phenomenon of material leakage in the use, the problem that people's user demand can not be satisfied.

Description

Expanding double-gate valve

Technical Field

The utility model relates to the technical field of valves, specifically be expanding double-gate-plate gate valve.

Background

Double-gate valve belongs to one kind of gate valve, by the wide application in nuclear power station fuel handling system, carry the helium, double-gate valve's theory of operation does: the flashboard is driven by the valve rod to carry out lifting movement, and when the flashboard is attached to a seat ring arranged on the valve seat to form a sealing surface, the gate valve is closed, so that a fluid channel is cut off, however, the sealing effect of the existing double-flashboard gate valve is poor, the phenomenon of leakage of substances caused by tight sealing is easy to occur in the using process, and the using requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prop open type double-gate board gate valve possesses sealed effectual advantage, and it is relatively poor to have solved current double-gate board gate valve's sealed effect, easily appears sealed not tight and the phenomenon that leads to the material to leak in the use, can not satisfy people's user demand's problem.

In order to achieve the above object, the utility model provides a following technical scheme: expanding double-gate valve, including the valve body, the equal fixedly connected with honeycomb duct in both sides of valve body lower extreme, the one end fixedly connected with seal receptacle that honeycomb duct inner chamber kept away from each other, the middle-end fixedly connected with dead lever in honeycomb duct inner chamber, two the equal fixedly connected with gag lever post in both ends of one side is kept away from each other to the dead lever, the middle-end swing joint of dead lever has the push rod, two one side fixedly connected with hemisphere ejector pad that the push rod is close to each other, two fixedly connected with spring between the surface of one side and dead lever that the hemisphere ejector pad was kept away from each other, two one side fixedly connected with closing plate that the push rod was kept away from each other, the middle-end threaded connection at valve body top has the threaded rod, the bottom of threaded rod has.

Preferably, the top of the threaded rod is fixedly connected with a turntable, and the right end of the top of the turntable is movably connected with a crank through a bearing.

Preferably, the bottom of the outer surface of the valve body is fixedly connected with a supporting block, the bottom of the supporting block is fixedly connected with a mounting plate, and mounting holes are formed in two ends of the mounting plate.

Preferably, two one end fixedly connected with fixing base that the honeycomb duct surface was kept away from each other, the pilot hole has all been seted up around the fixing base surface.

Preferably, the both sides of valve body inner chamber upper end have all been seted up the spout, two the equal fixedly connected with stopper in the upper end of one side is kept away from each other to the valve plate, the surface swing joint of stopper is in the surface of spout.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model can drive the fixed block to move upwards by controlling the threaded rod on the valve body to rotate, the fixed block moves upwards to drive the valve plate to move upwards until the valve plate is completely separated from the surfaces of the guide pipes on two sides, at the moment, the hemispherical push blocks on two sides are pushed to be close to the push rod and the sealing plate under the pushing action of the springs on the fixed rods on two sides until the sealing plate is separated from the surface of the sealing seat, the valve is opened, the fixed block and the valve plate can be driven to move downwards by controlling the threaded rod to rotate towards the other direction until the valve plates on two sides completely cover the guide pipes on two sides, thereby achieving the effect of primary sealing of the valve, simultaneously, the hemispherical push blocks on two sides can move along the surface of the valve plate when the valve plate moves downwards, the hemispherical push blocks can move towards one side away from each other when moving, the hemisphere ejector pad removes and to compress the spring, promote push rod and closing plate simultaneously and remove, until the closing plate hugs closely with the surface of seal receptacle, further reach and carry out sealed effect to this valve, under the effect of whole cooperation, realized that this valve possesses multiple sealed effect, very big improvement the sealing performance of this valve, the effectual phenomenon of not tight that appears sealing in the use of avoiding this valve, it is relatively poor to have solved the sealed effect of current double-gate board gate valve, the phenomenon that sealed not tight and lead to the material to leak easily appears in the use, the problem that people's user demand can not be satisfied.

2. The utility model discloses a setting of crank and carousel, the person of facilitating the use manipulates the threaded rod and rotates, and through the setting of mounting panel and mounting hole, the person of facilitating the use installs fixedly this valve, and through the setting of fixing base and pilot hole, the person of facilitating the use installs fixedly between with pipeline and the honeycomb duct.

Drawings

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

FIG. 2 is a schematic sectional view of the valve body of the present invention;

fig. 3 is a schematic side view of the fixing base of the present invention.

In the figure: 1. a crank; 2. a turntable; 3. a threaded rod; 4. a valve body; 5. a fixed seat; 6. a flow guide pipe; 7. mounting holes; 8. mounting a plate; 9. a support block; 10. a chute; 11. a limiting block; 12. a sealing plate; 13. a spring; 14. a hemispherical push block; 15. a fixed block; 16. a valve plate; 17. fixing the rod; 18. a limiting rod; 19. a push rod; 20. a sealing seat; 21. and (7) assembling holes.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, the expanding type double-gate valve comprises a valve body 4, a supporting block 9 is fixedly connected to the bottom of the outer surface of the valve body 4, a mounting plate 8 is fixedly connected to the bottom of the supporting block 9, mounting holes 7 are formed at both ends of the mounting plate 8, the valve is conveniently mounted and fixed by a user through the arrangement of the mounting plate 8 and the mounting holes 7, guide pipes 6 are fixedly connected to both sides of the lower end of the valve body 4, a fixing base 5 is fixedly connected to the ends of the outer surfaces of the two guide pipes 6, which are away from each other, mounting holes 21 are formed around the surface of the fixing base 5, the pipeline and the guide pipe 6 are conveniently mounted and fixed by the user through the arrangement of the fixing base 5 and the mounting holes 21, a sealing base 20 is fixedly connected to the end of the inner cavity of the guide pipe 6, a fixing rod 17, the middle end of the fixed rod 17 is movably connected with a push rod 19, one side of the two push rods 19 close to each other is fixedly connected with a hemispherical push block 14, one side of the two hemispherical push blocks 14 far away from each other is fixedly connected with a spring 13 between the surface of the fixed rod 17 and the side of the two hemispherical push blocks 14 far away from each other, one side of the two push rods 19 far away from each other is fixedly connected with a sealing plate 12, the middle end of the top of the valve body 4 is in threaded connection with a threaded rod 3, the top of the threaded rod 3 is fixedly connected with a turntable 2, the right end of the top of the turntable 2 is movably connected with a crank 1 through a bearing, a user can conveniently control the threaded rod 3 to rotate through the arrangement of the crank 1 and the turntable 2, the bottom of the threaded rod 3 is movably connected with a fixed block 15 through a bearing, two, the surface of the limiting block 11 is movably connected to the surface of the sliding chute 10, the fixing block 15 can be driven to move upwards by controlling the rotation of the threaded rod 3 on the valve body 4, the fixing block 15 moves upwards to drive the valve plate 16 to move upwards until the valve plate 16 is completely separated from the surfaces of the flow guide pipes 6 on the two sides, at the moment, under the pushing action of the spring 13 on the fixing rods 17 on the two sides, the hemispherical push block 14, the push rod 19 and the sealing plate 12 on the two sides can be pushed to be close to each other until the sealing plate 12 is separated from the surface of the sealing seat 20, the opening of the valve is realized at the moment, meanwhile, the fixing block 15 and the valve plate 16 can be driven to move downwards by controlling the threaded rod 3 to rotate towards the other direction until the valve plates 16 on the two sides completely cover the flow guide pipes 6 on the two sides, further, the effect, the hemisphere ejector pad 14 of both sides can remove along the surface of valve plate 16, can remove to the one side of keeping away from each other when hemisphere ejector pad 14 removes, hemisphere ejector pad 14 removes and can compress spring 13, promote push rod 19 and closing plate 12 to remove simultaneously, hug closely until closing plate 12 and seal receptacle 20's surface, further reach the effect of sealing this valve, under whole complex effect, it possesses multiple sealed effect to have realized this valve, very big improvement the sealing performance of this valve, the effectual not tight phenomenon of sealing of this valve appearance in the use of avoiding, the sealed effect of having solved current double gate valve is relatively poor, the phenomenon that does not appear sealed tight and lead to the material to leak in the use, the problem of people's user demand can not be satisfied.

The utility model provides an all parts are the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, the standard part that uses in this application file simultaneously all can purchase from the market, each part can all be customized according to the record of description and attached drawing in this application file, the concrete joining mode of each part all adopts conventional means such as ripe bolt in the prior art, rivets, welding, machinery, part and equipment all adopt conventional model among the prior art.

When the valve is used, the threaded rod 3 on the valve body 4 is controlled to rotate, the fixed block 15 can be driven to move upwards, the fixed block 15 moves upwards to drive the valve plate 16 to move upwards until the valve plate 16 is completely separated from the surfaces of the guide pipes 6 on two sides, at the moment, the hemispherical push blocks 14 on two sides, the push rods 19 and the sealing plate 12 are pushed to be close to each other under the pushing action of the springs 13 on the fixed rods 17 on two sides until the sealing plate 12 is separated from the surface of the sealing seat 20, the valve is opened at the moment, meanwhile, the fixed block 15 and the valve plate 16 can be driven to move downwards by controlling the threaded rod 3 to rotate in the other direction until the valve plates 16 on two sides completely cover the guide pipes 6 on two sides, the effect of primarily sealing the valve is achieved, and meanwhile, the hemispherical push blocks 14 on two sides can move along the surfaces of the valve plate 16 while the valve plate 16 moves, can remove to the one side of keeping away from each other when hemisphere ejector pad 14 removes, hemisphere ejector pad 14 removes and can compress spring 13, promote push rod 19 and closing plate 12 simultaneously and remove, hug closely until closing plate 12 and seal receptacle 20's surface, further reach and carry out sealed effect to this valve, under whole complex effect, realized that this valve possesses multiple sealed effect, very big improvement the sealing performance of this valve, the effectual phenomenon of not tight of avoiding this valve to appear sealing in the use.

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 (5)

1. Expanding double-gate valve, including valve body (4), its characterized in that: the two sides of the lower end of the valve body (4) are fixedly connected with a flow guide pipe (6), one end of the flow guide pipe (6), which is far away from the inner cavity of the flow guide pipe, is fixedly connected with a sealing seat (20), the middle end of the inner cavity of the flow guide pipe (6) is fixedly connected with a fixed rod (17), the two ends of one side, which is far away from the two fixed rods (17), are fixedly connected with limit rods (18), the middle end of each fixed rod (17) is movably connected with a push rod (19), one side, which is close to the two push rods (19), is fixedly connected with a hemispherical push block (14), a spring (13) is fixedly connected between one side, which is far away from the two hemispherical push blocks (14), and the surface of the fixed rod (17), one side, which is far away from the two push rods (, the bottom of threaded rod (3) has fixed block (15) through bearing swing joint, the equal fixedly connected with valve plate (16) in both sides of fixed block (15).

2. The expanding dual gate valve of claim 1, wherein: the top fixedly connected with carousel (2) of threaded rod (3), the right-hand member at carousel (2) top has crank (1) through bearing swing joint.

3. The expanding dual gate valve of claim 1, wherein: the valve body (4) is characterized in that a supporting block (9) is fixedly connected to the bottom of the outer surface of the valve body (4), a mounting plate (8) is fixedly connected to the bottom of the supporting block (9), and mounting holes (7) are formed in two ends of the mounting plate (8).

4. The expanding dual gate valve of claim 1, wherein: two one end fixedly connected with fixing base (5) that honeycomb duct (6) surface was kept away from each other, pilot hole (21) have all been seted up around fixing base (5) surface.

5. The expanding dual gate valve of claim 1, wherein: spout (10), two have all been seted up to both sides of valve body (4) inner chamber upper end the equal fixedly connected with stopper (11) in upper end of one side are kept away from each other in valve plate (16), the surface swing joint of stopper (11) is in the surface of spout (10).

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