CN214500111U

CN214500111U - Novel double-gate plate structure of valve

Info

Publication number: CN214500111U
Application number: CN202120498065.9U
Authority: CN
Inventors: 杨志远; 郑建军; 金时理
Original assignee: Wenzhou Feiqiu Power Station Valve Manufacturing Co ltd
Current assignee: Wenzhou Feiqiu Power Station Valve Manufacturing Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-26
Anticipated expiration: 2031-03-09

Abstract

A novel double-gate plate structure of a valve comprises a valve body, a valve rod and a gate plate, wherein a valve cavity is formed in the valve body, the gate plate is arranged in the valve cavity, one end of the valve rod extends into the valve cavity and is connected with the gate plate, the gate plate comprises a first gate plate, a second gate plate and a top center, the top center is arranged between the first gate plate and the second gate plate, the first gate plate is provided with a connecting end, the second gate plate is provided with a connecting groove corresponding to the connecting end, and the connecting end of the first gate plate extends into the connecting groove and is connected with the second gate plate; the components such as the flashboard frame, the upper baffle plate, the lower baffle plate and the like are removed, the structure is more compact, the valve rod is connected with the flashboard frame through the hook, the rigidity and the strength of the valve rod are enhanced while the assembly is convenient, and the safety coefficient is greatly enhanced.

Description

Novel double-gate plate structure of valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to novel double brake plate structure of valve.

Background

The working conditions of the existing gate valve mainly comprise two structures, namely an elastic wedge type single gate plate and a wedge type double gate plate with a gate plate frame structure.

Referring to fig. 1, although the elastic wedge type single gate plate has a simple structure, because the wedge degree of a sealing surface of a valve body is determined, two wedge angles on the gate plate theoretically need to be consistent with the valve body, and the matching can be tight.

Referring to the attached figure 2, the wedge-type double gate plate with the gate plate frame structure is complex in structure and more in parts, a gate plate frame is arranged in the middle, gate plates are arranged on the left and right sides, a top center is arranged between the left and right gate plates, baffle plates are arranged above and below the gate plates for positioning, and a valve rod is connected with the gate plate frame through threads; the structure eliminates the problem of inconsistent angles of the single gate plates, ensures the reliability of sealing and can meet interchangeability. However, the flashboard is positioned by the flashboard frame and the upper and lower flashboards, and once the positioning plate touches and the like, the flashboard is easy to bend and deform due to insufficient rigidity, so that the flashboard is separated. In addition, the gate plate frame is connected with the valve rod through threads, once the threads are loosened or the valve rod is abnormally stressed, for example, the bore of the valve is abnormally boosted or the output force of an electric device is overlarge, the valve rod can possibly fall off the gate plate frame, and the gate plate cannot be opened and other valve faults are caused.

Disclosure of Invention

In view of this, the utility model provides a novel double brake plate structure of valve.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel double-gate plate structure of valve, includes valve body, valve rod and flashboard, form the valve pocket in the valve body, the flashboard sets up in the valve pocket, valve rod one end is stretched into the valve pocket and is connected with the flashboard, the flashboard includes first flashboard, second flashboard and top center, the top center sets up between first flashboard and second flashboard, first flashboard sets up the link, the second flashboard corresponds the link and sets up the spread groove, the link of first flashboard stretches into the spread groove and is connected with the second flashboard.

Preferably, the connecting end forms a protruding part, the groove wall of the connecting groove is provided with a limiting part corresponding to the protruding part, and the protruding part is connected with the limiting part in a buckling mode.

The preferred, set up the heart groove on the connecting end, heart one end stretches into the heart groove and is connected with first flashboard, the second flashboard corresponds the heart and sets up the cambered surface groove, the one end that first flashboard was kept away from to the heart of top stretches into the cambered surface groove and is connected with the second flashboard.

Preferably, a hook groove is formed between the first flashboard and the second flashboard, a hook is arranged at one end, extending into the valve cavity, of the valve rod, and the hook extends into the hook groove and is connected with the flashboard.

Preferably, connecting through holes are formed in two sides of the hook groove, the hook is provided with screw holes corresponding to the connecting through holes, set screws are arranged between the connecting through holes and the screw holes, and the set screws penetrate through the connecting through holes and the screw holes to be connected with the first flashboard, the hook and the second flashboard.

Preferably, the adjacent both sides of first flashboard and second flashboard all set up the guide end, the valve pocket inner wall corresponds the guide end and sets up the guide way, the guide end stretches into the guide way and is connected with the valve pocket inner wall.

The beneficial effects of the utility model reside in that: the utility model has the advantages that the double-flashboard and top center structure is arranged, the compatibility can be achieved through fine adjustment of the top center, the matching performance of the valve body and the flashboard is improved, and the batch production is facilitated; the components such as the flashboard frame, the upper baffle plate, the lower baffle plate and the like are removed, the structure is more compact, the valve rod is connected with the flashboard frame through the hook, the rigidity and the strength of the valve rod are enhanced while the assembly is convenient, and the safety coefficient is greatly enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram of a prior art structure;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a top view of the gate plate and valve body assembly;

FIG. 5 is a schematic view of a first ram;

fig. 6 is a schematic view of a second ram.

Reference numerals:

1. the valve body, 2, the valve rod, 3, the flashboard, 4, the valve pocket, 5, first flashboard, 6, second flashboard, 7, the link, 8, the spread groove, 9, holding screw, 10, the bulge, 11, spacing portion, 12, the heart groove of top, 13, the heart, 14, the cambered surface groove, 15, couple groove, 16, couple, 17, connect the through-hole, 18, the leading end, 19, the guide way.

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.

The invention will be further described with reference to the accompanying drawings.

The utility model provides a following technical scheme:

as shown in the accompanying drawings 2-5, the utility model discloses a novel double-gate structure of valve, including valve body 1, valve rod 2 and flashboard 3, form valve pocket 4 in the valve body 1, flashboard 3 sets up in valve pocket 4, 2 one ends of valve rod stretch into valve pocket 4 and are connected with flashboard 3, flashboard 3 includes first flashboard 5, second flashboard 6 and top heart 13, top heart 13 sets up between first flashboard 5 and second flashboard 6, first flashboard 5 sets up link 7, second flashboard 6 corresponds link 7 and sets up spread groove 8, link 7 of first flashboard 5 stretches into spread groove 8 and is connected with second flashboard 6.

Specifically, when the installation, earlier place first flashboard 5 level, correspond the link 7 of stretching into first flashboard 5 the spread groove 8 of second flashboard 6, rotate 90 with first flashboard 5 afterwards for the laminating that first flashboard 5 and the adjacent face of second flashboard 6 can be better is fastened through holding screw 9. Compared with the conventional double gate plate 3: the upper baffle plate, the lower baffle plate and the gate plate 3 frame are removed, and the structure is more compact.

Further, the connecting end 7 forms a protruding portion 10, a groove wall of the connecting groove 8 is provided with a limiting portion 11 corresponding to the protruding portion 10, and the protruding portion 10 is connected with the limiting portion 11 in a buckling mode.

Further, set up heart groove 12 on the

link

7, 13 one end in the heart of the top stretches into heart groove 12 and is connected with first flashboard 5, second flashboard 6 corresponds heart of the top 13 and sets up cambered surface groove 14, the one end that first flashboard 5 was kept away from to the heart of the top 13 stretches into cambered surface groove 14 and is connected with second flashboard 6. Specifically, because a certain gap is formed between the left and right flashboards 3 and the center 13, the wedge angle of the flashboard 3 can be automatically adjusted to be consistent with the angle of the valve body 1 through the gap of the flashboard 3 under the action of the axial force of the valve rod 2, and therefore the sealing reliability is guaranteed.

Further, a hook groove 15 is formed between the first gate plate 5 and the second gate plate 6, a hook 16 is arranged at one end, extending into the valve cavity 4, of the valve rod 2, and the hook 16 extends into the hook groove 15 and is connected with the gate plate 3. Specifically, the valve rod 2 and the flashboard 3 are connected through the hook 16, so that the rigidity and the strength of the valve rod are enhanced while the assembly is facilitated, and the safety factor is greatly enhanced.

Further, connect the via hole 17 is seted up to the both sides of couple groove 15, couple 16 corresponds connect the via hole 17 and sets up the screw, set screw 9 sets up between connect the via hole 17 and the screw, set screw 9 is through passing connect the via hole 17 and screw and connecting first flashboard 5, couple 16 and second flashboard 6. Specifically, the setting screw 9 can make the laminating between first flashboard 5 and the second flashboard 6 inseparabler, prevents to take place the obscission.

Further, the adjacent both sides of first flashboard 5 and second flashboard 6 all set up guide end 18, the valve chamber 4 inner wall corresponds guide end 18 and sets up guide way 19, guide end 18 stretches into guide way 19 and is connected with valve chamber 4 inner wall. In this embodiment, through setting up leading end 18 and guide way 19 for leading end 18 can form the guide rail structure with the cooperation of guide way 19, and the precision is higher, is unfavorable for scotch and card and hinders, and life is longer.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a novel double-gate plate structure of valve, includes valve body, valve rod and flashboard, form the valve pocket in the valve body, the flashboard sets up in the valve pocket, valve rod one end is stretched into the valve pocket and is connected its characterized in that with the flashboard: the flashboard includes first flashboard, second flashboard and top heart, the top heart sets up between first flashboard and second flashboard, first flashboard sets up the link, the second flashboard corresponds the link and sets up the spread groove, the link of first flashboard stretches into the spread groove and is connected with the second flashboard.

2. The novel double gate plate structure of valve according to claim 1, characterized in that: the link forms the bulge, the cell wall of spread groove corresponds the bulge and sets up spacing portion, the bulge is connected with spacing portion buckle.

3. The novel double gate plate structure of valve according to claim 1, characterized in that: set up the heart groove on the connecting end, heart one end stretches into the heart groove and is connected with first flashboard, the second flashboard corresponds the heart and sets up the cambered surface groove, the one end that first flashboard was kept away from to the heart of top stretches into the cambered surface groove and is connected with the second flashboard.

4. The novel double gate plate structure of valve according to claim 1, characterized in that: form the couple groove between first flashboard and the second flashboard, the valve rod stretches into valve pocket one end and sets up the couple, the couple stretches into the couple groove flashboard and connects.

5. The novel double gate plate structure of valve according to claim 4, characterized in that: connecting through holes are formed in the two sides of the hook groove, the hook is provided with screw holes corresponding to the connecting through holes, set screws are arranged between the connecting through holes and the screw holes, and the set screws penetrate through the connecting through holes and the screw holes to be connected with the first flashboard, the hook and the second flashboard.

6. The novel double gate plate structure of valve according to claim 1, characterized in that: the adjacent both sides of first flashboard and second flashboard all set up the direction end, the valve pocket inner wall corresponds the direction end and sets up the guide way, the direction end stretches into the guide way and is connected with the valve pocket inner wall.