CN219888746U

CN219888746U - Metal seal butterfly valve convenient to installation

Info

Publication number: CN219888746U
Application number: CN202321353667.0U
Authority: CN
Inventors: 李力; 李国祥; 李丽施
Original assignee: SHANGHAI SGOV VALVE GROUP CO Ltd
Current assignee: SHANGHAI SGOV VALVE GROUP CO Ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-24
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a metal sealing butterfly valve convenient to install, and particularly relates to the technical field of sealing butterfly valves, which comprises a butterfly valve body, wherein flange plates are fixedly connected to two ends of the butterfly valve body, annular array connecting holes are formed in the flange plates, a shell is fixedly arranged on the outer wall of the butterfly valve body, a pipeline limiting mechanism is arranged on the inner side of the shell, a controller is fixedly arranged on one side of the top of the pipeline limiting mechanism, a valve shaft is arranged in the butterfly valve body, a valve plate is fixedly arranged at one end of the valve shaft, a ferrule is fixedly arranged on the outer side of the flange plate, auxiliary limiting assemblies are fixedly connected to one side of the ferrule, and symmetrically arranged limiting holes are formed in the flange plate. According to the utility model, the first limiting rod and the second limiting rod are respectively extended into the connecting hole at the edge of the flange plate and the flange plate externally connected with the pipeline in sequence through the pipeline limiting mechanism, so that accurate installation and positioning are realized, dislocation is prevented, installation time is saved, and installation efficiency is improved.

Description

Metal seal butterfly valve convenient to installation

Technical Field

The utility model relates to the technical field of sealing butterfly valves, in particular to a metal sealing butterfly valve convenient to install.

Background

The butterfly valve is also called as flap valve, and is a simple-structure regulating valve, and can be used for controlling the opening and closing of low-pressure pipeline medium, and the butterfly valve is a valve in which a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve opening and closing, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like, and mainly has the functions of cutting off and throttling on a pipeline.

There are multiple butterfly valves in the existing market, when these butterfly valves are installed, basically all need the people to support pipeline and butterfly valve, reuse bolt etc. fix, otherwise the butterfly valve falls down under the action of gravity and takes place the skew with the pipeline, influence the stability that the butterfly valve was installed, only need install two bolts and just can initially fix the butterfly valve, and such installation method is more troublesome, and is not simple and convenient enough, consumes time, consumes the manpower.

Disclosure of Invention

The utility model aims to provide a metal seal butterfly valve convenient to install so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a metal seal butterfly valve convenient to installation, includes the butterfly valve body, the equal fixedly connected with ring flange in both ends of butterfly valve body, set up the connecting hole that is annular array on the ring flange, the outer wall fixed mounting of butterfly valve body has the casing, the inboard of casing is equipped with pipeline stop gear, top one side of pipeline stop gear is fixed with the controller, the inside of butterfly valve body is provided with the valve shaft, the one end of valve shaft is fixed with the valve plate, the outside fixed mounting of ring flange has the lasso, one side fixedly connected with auxiliary limiting component of lasso, the spacing hole that is the symmetry setting has been seted up to the inside of ring flange.

Further, the pipeline stop gear is including being fixed in the step motor of casing inboard bottom, step motor's output shaft fixed mounting has the gear, the both sides of gear are equipped with meshing respectively and are connected with first rack and second rack, the tip fixedly connected with first gag lever post of first rack, the tip fixedly connected with second gag lever post of second rack, first gag lever post and second gag lever post all with spacing hole looks adaptation.

Further, two inner walls of the shell are all fixed with the slide rail, one side of the first rack away from the gear with the second rack is all fixed with the slider with slide rail looks adaptation, and slider sliding fit realizes the steady removal of first rack and second rack on the slide rail.

Further, supplementary spacing subassembly includes a plurality of stoppers that set up along lasso circumference, the inner chamber has been seted up to the inboard of stopper, the inner chamber inboard is equipped with the tractive pole, the one end of tractive pole is fixed with the limiting plate, and the other end extends to the inner chamber outside and the damping rotation is connected with spacing cardboard, the outside cover of tractive pole is equipped with reset spring.

Further, the top fixedly connected with of valve shaft rotates the handle, drives valve shaft and valve plate through rotatory rotation handle and rotates, and then adjusts the inside flow of butterfly valve body.

Further, the stepping motor is electrically connected with the output end of the controller, and the stepping motor is started and closed through the controller, so that the limiting function of the pipeline limiting mechanism is realized.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the pipeline limiting mechanism is arranged, the gear is driven to rotate clockwise through the stepping motor, and then the gear drives the first rack and the second rack to move towards two sides respectively, so that the first limiting rod and the second limiting rod sequentially extend into the connecting hole at the edge of the flange plate and the flange plate of the external pipeline respectively, thereby realizing accurate installation and positioning, preventing dislocation, saving installation time and improving installation efficiency;

2. according to the utility model, the auxiliary limiting assembly is arranged, when the pipeline to be installed is in butt joint with the two ends of the butterfly valve body, the limiting clamping plate is firstly stirred to one side far away from the pipeline, after the first limiting rod and the second limiting rod respectively extend into the connecting hole at the edge of the flange plate and the flange plate of the external pipeline in sequence, then the limiting clamping plate is rotated for one hundred eighty degrees to the flange plate for blocking the external pipeline, and the limiting clamping plate is ensured to abut against the flange plate at the end part of the pipeline under the action force of the reset spring, so that the next step of assembly is facilitated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;

in the figure: 1. a butterfly valve body; 2. a flange plate; 3. a connection hole; 4. a housing; 5. a pipe limit mechanism; 51. a stepping motor; 52. a gear; 53. a first rack; 54. a second rack; 55. a first stop lever; 56. a second limit rod; 57. a slide rail; 58. a slide block; 6. a controller; 7. a valve shaft; 8. a valve plate; 9. a ferrule; 10. an auxiliary limit component; 101. a limiting block; 102. an inner cavity; 103. a pulling rod; 104. a limiting plate; 105. a limiting clamping plate; 106. a return spring; 11. a limiting hole; 12. the handle is turned.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a metal sealing butterfly valve convenient to install, which comprises a butterfly valve body 1, wherein flange plates 2 are fixedly connected to two ends of the butterfly valve body 1, connecting holes 3 which are in an annular array are formed in the flange plates 2, a shell 4 is fixedly arranged on the outer wall of the butterfly valve body 1, a pipeline limiting mechanism 5 is arranged on the inner side of the shell, a controller 6 is fixedly arranged on one side of the top of the pipeline limiting mechanism 5, a valve shaft 7 is arranged in the butterfly valve body 1, a valve plate 8 is fixedly arranged at one end of the valve shaft 7, a ferrule 9 is fixedly arranged on the outer side of the flange plates 2, auxiliary limiting assemblies 10 are fixedly connected to one side of the ferrule 9, and symmetrically arranged limiting holes 11 are formed in the flange plates 2.

In a preferred embodiment, the pipe limiting mechanism 5 includes a stepper motor 51 fixed at the bottom inside the casing 4, a gear 52 is fixedly installed on an output shaft of the stepper motor 51, a first rack 53 and a second rack 54 are respectively arranged on two sides of the gear 52 in a meshed manner, a first limiting rod 55 is fixedly connected to an end portion of the first rack 53, a second limiting rod 56 is fixedly connected to an end portion of the second rack 54, the first limiting rod 55 and the second limiting rod 56 are both matched with the limiting hole 11, the gear 52 is driven to rotate clockwise through the stepper motor 51, the gear 52 then drives the first rack 53 and the second rack 54 to move in two directions, and then the first limiting rod 55 and the second limiting rod 56 extend into the limiting hole 11 on the edge of the flange plate 2 and the flange plate of an external pipe in sequence, so that accurate installation and positioning are achieved, dislocation is prevented, installation time is saved, and installation efficiency is improved.

In a preferred embodiment, the two inner walls of the housing 4 are both fixed with a sliding rail 57, one sides of the first rack 53 and the second rack 54 far away from the gear 52 are both fixed with a sliding block 58 matched with the sliding rail 57, and the sliding block 58 is in sliding fit on the sliding rail 57, so that stable movement of the first rack 53 and the second rack 54 is realized.

In a preferred embodiment, the auxiliary limiting assembly 10 includes a plurality of limiting blocks 101 disposed along the circumference of the collar 9, an inner cavity 102 is provided at the inner side of the limiting blocks 101, a pulling rod 103 is provided at the inner side of the inner cavity 102, one end of the pulling rod 103 is fixed with a limiting plate 104, the other end extends to the outer side of the inner cavity 102 and is connected with a limiting clamping plate 105 in a damping rotation manner, a return spring 106 is sleeved at the outer side of the pulling rod 103, when a pipeline to be installed is in butt joint with two ends of the butterfly valve body 1, the limiting clamping plate 105 is firstly stirred to one side far away from the pipeline, after the first limiting rod 55 and the second limiting rod 56 respectively extend into a limiting hole 11 at the edge of the flange plate 2 and the flange plate of an external pipeline in sequence, then the limiting clamping plate 105 is rotated one hundred eighty degrees to the flange plate for blocking the external pipeline, and the limiting clamping plate 105 is ensured to abut against the flange plate at the end of the pipeline under the acting force of the return spring 106, so that the assembly of the next step is facilitated.

In a preferred embodiment, a rotating handle 12 is fixedly connected to the top of the valve shaft 7, and the valve shaft and the valve plate are driven to rotate by rotating the rotating handle 12, so that the internal flow of the butterfly valve body 1 is regulated.

In a preferred embodiment, the stepper motor 51 is electrically connected to the output end of the controller 6, and the controller 6 starts and closes the stepper motor 51 to implement the limiting function of the pipe limiting mechanism 5.

The working principle of the utility model is as follows: when the pipeline to be installed is in butt joint with the two ends of the butterfly valve body 1, the limiting clamping plate 105 is stirred to one side far away from the pipeline, after the first limiting rod 55 and the second limiting rod 56 are respectively stretched into the connecting hole 3 at the edge of the flange plate 2 and the flange plate of the external pipeline in sequence, the limiting clamping plate 105 is rotated for one hundred eighty degrees to the flange plate for blocking the external pipeline, and the limiting clamping plate 105 is ensured to be propped against the flange plate at the end part of the pipeline under the acting force of the reset spring 106, so that the assembly of the next step is facilitated; the gear 52 is driven to rotate clockwise through the stepping motor 51, the gear 52 then drives the first rack 53 and the second rack 54 to move towards two sides respectively, and then the first limiting rod 55 and the second limiting rod 56 sequentially extend into the limiting hole 11 at the edge of the flange plate 2 and the flange plate of the external pipeline respectively, so that accurate installation and positioning are realized, dislocation is prevented, installation time is saved, and installation efficiency is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Metal seal butterfly valve convenient to installation, including butterfly valve body (1), its characterized in that: the butterfly valve comprises a butterfly valve body (1), wherein flange plates (2) are fixedly connected to two ends of the butterfly valve body (1), connecting holes (3) which are in annular arrays are formed in the flange plates (2), a shell (4) is fixedly arranged on the outer wall of the butterfly valve body (1), a pipeline limiting mechanism (5) is arranged on the inner side of the shell, a controller (6) is fixedly arranged on one side of the top of the pipeline limiting mechanism (5), a valve shaft (7) is arranged in the butterfly valve body (1), a valve plate (8) is fixedly arranged at one end of the valve shaft (7), a ferrule (9) is fixedly arranged on the outer side of the flange plates (2), an auxiliary limiting assembly (10) is fixedly connected to one side of the ferrule (9), and limiting holes (11) which are symmetrically arranged are formed in the flange plates (2).

2. The metal seal butterfly valve of claim 1 for ease of installation, wherein: the pipeline stop gear (5) is including being fixed in step motor (51) of casing (4) inboard bottom, the output shaft fixed mounting of step motor (51) has gear (52), the both sides of gear (52) are equipped with meshing respectively and are connected with first rack (53) and second rack (54), the tip fixedly connected with first gag lever post (55) of first rack (53), the tip fixedly connected with second gag lever post (56) of second rack (54), first gag lever post (55) and second gag lever post (56) all with spacing hole (11) looks adaptation.

3. The metal seal butterfly valve of claim 2 for ease of installation, wherein: two inner walls of the shell (4) are both fixed with sliding rails (57), and one sides of the first racks (53) and the second racks (54) far away from the gear (52) are both fixed with sliding blocks (58) matched with the sliding rails (57).

4. The metal seal butterfly valve of claim 1 for ease of installation, wherein: the auxiliary limiting assembly (10) comprises a plurality of limiting blocks (101) which are circumferentially arranged along the ferrule (9), an inner cavity (102) is formed in the inner side of each limiting block (101), a traction rod (103) is arranged in the inner side of each inner cavity (102), a limiting plate (104) is fixed at one end of each traction rod (103), the other end of each traction rod extends to the outer side of each inner cavity (102) and is connected with a limiting clamping plate (105) in a damping rotation mode, and a reset spring (106) is sleeved on the outer side of each traction rod (103).

5. The metal seal butterfly valve of claim 1 for ease of installation, wherein: the top of the valve shaft (7) is fixedly connected with a rotary handle (12).

6. The metal seal butterfly valve of claim 2 for ease of installation, wherein: the stepper motor (51) is electrically connected with the output end of the controller (6).