CN214662095U - Butterfly valve that valve plate maintenance efficiency is high - Google Patents

Abstract

The utility model discloses a butterfly valve that valve plate maintenance efficiency is high, including valve body and valve plate, the valve plate sets up in the inboard of valve body, there is sealed bearing on inboard upper portion of valve body and lower part all through seting up opening fixed mounting, sealed bearing's inboard fixed mounting has the valve rod, the one end of valve rod extends to the inboard of valve body, the utility model relates to a valve maintenance technical field. This butterfly valve that valve plate maintenance efficiency is high, through being divided into upper and lower two parts with the valve rod, surface mounting at the valve plate afterwards has the concave type frame that cooperatees and use with the valve rod to come to carry on spacingly to it, make it reach the function of two valve rods of linkage, fix it through the effect of concave type lid and spacer pin afterwards, this structure can make the staff when the maintenance valve plate, need not demolish the valve body wholly and just can maintain and change the valve plate, make loaded down with trivial details maintenance process obtain simplifying, staff's maintenance has greatly been made things convenient for, maintenance efficiency is improved.

Description

Butterfly valve that valve plate maintenance efficiency is high

Technical Field

The utility model relates to a valve maintenance technical field specifically is a butterfly valve that valve plate maintenance efficiency is high.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (valve clack or butterfly plate) as a disc and rotating around a valve shaft to achieve opening and closing.

In the process of butterfly valve application, the most main part is exactly the valve plate and is called the dish board again, can control the velocity of flow size and the speed that flows the body effectively through the valve plate, but along with long-time use, the inside thing that flows of pipeline can be continuous corrodes the valve plate, cause the damage to the valve plate, thereby can lead to on the valve plate rust to take place to seal the condition emergence of not closely leaking the material seriously, just need maintain and change the valve plate this moment, current valve plate cup joints on the valve rod and is correlated with the executor, so if change or maintain the valve plate, just need all demolish the whole of butterfly valve, this mode leads to staff too loaded down with trivial details inconvenience when the maintenance, also make maintenance efficiency low, influence the fluidic flow in the pipeline.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a butterfly valve that valve plate maintenance efficiency is high has solved current butterfly valve and need wholly demolish the butterfly valve when maintaining the valve plate, leads to staff too loaded down with trivial details inconvenience when the maintenance, and the problem that maintenance efficiency is low.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a butterfly valve with high valve plate maintenance efficiency comprises a valve body and a valve plate, wherein the valve plate is arranged on the inner side of the valve body, a sealing bearing is fixedly arranged on the upper portion and the lower portion of the inner side of the valve body through an opening, a valve rod is fixedly arranged on the inner side of the sealing bearing, one end of the valve rod extends to the inner side of the valve body, a limiting mechanism is fixedly connected to the upper portion and the lower portion of the surface of the valve plate and comprises a concave frame, the concave frame is fixedly connected to the surface of the valve plate through a fixing plate and used in a matched mode with the valve rod, a first sliding chute plate is fixedly connected to the rear portions of two sides of the concave frame, a first sliding block is slidably arranged inside the first sliding chute plate, a concave cover matched with the concave frame is fixedly connected between the two first sliding blocks, and two sides of the concave frame, the concave cover and the valve rod are provided with inserting grooves which are mutually penetrated, a limiting pin is inserted into the left slot of the concave frame, and one end of the limiting pin penetrates through the concave cover, the concave frame and the valve rod in sequence through the slots and extends to the right side of the concave cover.

Preferably, the right side fixedly connected with linkage box of concave type lid, the equal fixed mounting in both sides of linkage box inner chamber has the second chute board, the inside slidable mounting of second chute board has the second slider, two fixedly connected with screw bolt section of thick bamboo between the second slider.

Preferably, the internal thread of the threaded plug pin cylinder is connected with a threaded rod, one end of the threaded rod penetrates through the linkage box and extends to the outside of the linkage box, and one end of the threaded rod extends to the outside of the linkage box and is fixedly connected with a nut.

Preferably, the top of a screw bolt section of thick bamboo runs through linkage box and spacer pin in proper order and extends to the rear portion of spacer pin, the rear portion of linkage box is seted up and is cooperateed the opening that uses with a screw bolt section of thick bamboo, the jack that cooperatees and uses with a screw bolt section of thick bamboo is seted up on the surface of spacer pin and the right side that is located concave type lid.

Preferably, the surface of the valve body is provided with a plurality of mounting holes.

Advantageous effects

The utility model provides a butterfly valve that valve plate maintenance efficiency is high. Compared with the prior art, the method has the following beneficial effects:

(1) this butterfly valve that valve plate maintenance efficiency is high, through being divided into upper and lower two parts with the valve rod, surface mounting at the valve plate afterwards has the concave type frame that cooperatees and use with the valve rod to come to carry on spacingly to it, make it reach the function of two valve rods of linkage, fix it through the effect of concave type lid and spacer pin afterwards, this structure can make the staff when the maintenance valve plate, need not demolish the valve body wholly and just can maintain and change the valve plate, make loaded down with trivial details maintenance process obtain simplifying, staff's maintenance has greatly been made things convenient for, maintenance efficiency is improved.

(2) This butterfly valve that valve plate maintenance efficiency is high through the right side installation linkage box at concave type lid, moves the nut through twisting and can make the threaded rod promote in the threaded bolt section of thick bamboo inserts the jack to spacing to carry out spacing to the spacer pin, with prevent that the valve plate from leading to breaking away from of spare part because of the fluid flow velocity is too fast at the in-process of operation, guaranteed the security of the stable and butterfly valve whole work of valve plate.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of the concave cover of the present invention;

fig. 4 is a partial enlarged view of the utility model at B in fig. 3;

FIG. 5 is a top view of the seal bearing and valve stem arrangement of the present invention;

fig. 6 is a top view of the internal structure of the limiting mechanism of the present invention;

fig. 7 is a partially enlarged view of the point C in fig. 6 according to the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. sealing the bearing; 4. a valve stem; 5. a limiting mechanism; 6. a linkage box; 7. a second chute plate; 8. a second slider; 9. a threaded plug pin barrel; 10. a threaded rod; 11. a nut; 12. a port; 13. a jack; 14. mounting holes; 501. a female frame; 502. a first chute plate; 503. a first slider; 504. a concave cover; 505. a slot; 506. and a limiting pin.

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.

Referring to fig. 1-7, the present invention provides a technical solution: a butterfly valve with high valve plate maintenance efficiency comprises a valve body 1 and a valve plate 2, wherein the valve plate 2 is arranged on the inner side of the valve body 1, a sealing bearing 3 is fixedly arranged on the upper portion and the lower portion of the inner side of the valve body 1 through an opening, a valve rod 4 is fixedly arranged on the inner side of the sealing bearing 3, the valve rod 4 on the upper portion is linked with an actuator of the butterfly valve, one end of the valve rod 4 extends to the inner side of the valve body 1, a limiting mechanism 5 is fixedly connected to the upper portion and the lower portion of the surface of the valve plate 2, the limiting mechanism 5 comprises a concave frame 501, the concave frame 501 is fixedly connected to the surface of the valve plate 2 through a fixing plate, the concave frame 501 is matched with the valve rod 4 for use, a first chute plate 502 is fixedly connected to the rear portions of two sides of the concave frame 501, a first slide block 503 is slidably arranged inside the first chute plate 502, and a concave cover 504 matched with the concave frame 501 is fixedly connected between the two first slide blocks 503, two sides of the concave frame 501, the concave cover 504 and the valve rod 4 are all provided with a slot 505 which penetrates through each other, a limit pin 506 is inserted into the slot 505 at the left side of the concave frame 501, one end of the limit pin 506 sequentially penetrates through the concave cover 504, the concave frame 501 and the valve rod 4 through the slot 505 and extends to the right side of the concave cover 504, the right side of the concave cover 504 is fixedly connected with a linkage box 6, two sides of the inner cavity of the linkage box 6 are fixedly provided with a second sliding chute plate 7, a second sliding block 8 is slidably arranged in the second sliding chute plate 7, a threaded pin barrel 9 is fixedly connected between the two second sliding blocks 8, the internal thread of the threaded pin barrel 9 is connected with a threaded rod 10, one end of the threaded rod 10 penetrates through the linkage box 6 and extends to the outside of the linkage box 6, one end of the threaded rod 10 extending to the outside of the linkage box 6 is fixedly connected with a nut 11, the top end of the threaded pin barrel 9 sequentially penetrates through the linkage box 6 and the limit pin 506 and extends to the rear part of the limit pin 506, the rear portion of linkage box 6 is seted up and is cooperateed with screw bolt section of thick bamboo 9 and use through-hole 12, and the jack 13 that cooperatees and use with screw bolt section of thick bamboo 9 is seted up on the right side that the surface of spacer pin 506 just is located concave type lid 504, and mounting hole 14 has been seted up on the surface of valve body 1, and mounting hole 14 is provided with a plurality of.

And those not described in detail in this specification are well within the skill of those in the art.

When in use, when the valve plate 2 is damaged and needs to be maintained, the valve body is firstly disassembled from the pipeline, then the screw cap 11 is screwed by a tool to enable the threaded rod 10 to rotate to drive the threaded plug pin barrel 9 to be drawn out from the plug hole 13, then the limit pin 506 is drawn out from the concave frame 501, the concave cover 504 and the plug groove 505 in the valve rod 4, then the concave cover 504 is lifted upwards by the first chute plate 502 to expose the upper and lower valve rods 4, at this time, the valve plate 2 can be removed from the valve body 1 by pushing the valve plate 2 backwards, if the valve plate 2 needs to be remounted, the valve plate 2 is only needed to be placed in the valve body 1, the valve rod 4 is inserted into the concave frame 501, at the moment, the valve plate 2 is installed according to the flow path during disassembly, the valve body 1 can then be mounted back on the pipeline again via the mounting opening 14, at which point the operation can be continued.

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 (5)

1. The utility model provides a butterfly valve that valve plate maintenance efficiency is high, includes valve body (1) and valve plate (2), valve plate (2) set up in the inboard of valve body (1), its characterized in that: the upper portion and the lower portion of the inner side of the valve body (1) are both provided with a sealing bearing (3) through opening fixed mounting, the inner side fixed mounting of the sealing bearing (3) is provided with a valve rod (4), one end of the valve rod (4) extends to the inner side of the valve body (1), the upper portion and the lower portion of the surface of the valve plate (2) are both fixedly connected with a limiting mechanism (5), the limiting mechanism (5) comprises a concave frame (501), the concave frame (501) is fixedly connected to the surface of the valve plate (2) through a fixing plate, the concave frame (501) is matched with the valve rod (4) for use, the rear portions of the two sides of the concave frame (501) are both fixedly connected with first sliding groove plates (502), the inner sliding of the first sliding groove plates (502) is provided with first sliding blocks (503), and concave cover (504) matched with the concave frame (501) for use are fixedly connected between the first sliding blocks (503), the improved structure is characterized in that slots (505) which penetrate through each other are formed in the two sides of the concave frame (501), the concave cover (504) and the valve rod (4), a limit pin (506) is inserted into the slot (505) in the left side of the concave frame (501), and one end of the limit pin (506) penetrates through the concave cover (504), the concave frame (501) and the valve rod (4) in sequence through the slots (505) and extends to the right side of the concave cover (504).

2. The butterfly valve with a high valve plate maintenance efficiency of claim 1, wherein: the right side fixedly connected with linkage box (6) of concave type lid (504), the equal fixed mounting in both sides of linkage box (6) inner chamber has second chute board (7), the inside slidable mounting of second chute board (7) has second slider (8), two fixedly connected with screw thread cotter pin section of thick bamboo (9) between second slider (8).

3. The butterfly valve with a high valve plate maintenance efficiency according to claim 2, wherein: the inside threaded connection of screw bolt section of thick bamboo (9) has threaded rod (10), the one end of threaded rod (10) runs through linkage box (6) and extends to the outside of linkage box (6), threaded rod (10) extend to the outside one end fixedly connected with nut (11) of linkage box (6).

4. The butterfly valve with a high valve plate maintenance efficiency of claim 3, wherein: the top of a screw bolt section of thick bamboo (9) runs through linkage box (6) and spacer pin (506) in proper order and extends to the rear portion of spacer pin (506), through-hole (12) that cooperate with a screw bolt section of thick bamboo (9) and use are seted up to the rear portion of linkage box (6), jack (13) that cooperate with a screw bolt section of thick bamboo (9) and use are seted up on the surface of spacer pin (506) and the right side that is located concave type lid (504).

5. The butterfly valve with a high valve plate maintenance efficiency of claim 1, wherein: the surface of the valve body (1) is provided with a plurality of mounting holes (14), and the mounting holes (14) are arranged.

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