CN214789094U

CN214789094U - Marine double-eccentric butterfly valve seat fixing structure

Info

Publication number: CN214789094U
Application number: CN202121143732.8U
Authority: CN
Inventors: 潘荣华
Original assignee: Jiangsu Tongda Marine Type Valve And Pump Co ltd
Current assignee: Jiangsu Tongda Marine Type Valve And Pump Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a marine double eccentric butterfly valve disk seat fixed knot constructs, including valve body, disk seat, seal assembly and two sets of locating component, the disk seat corresponds the bearing sleeve inside the valve body, seal assembly matches the cover and establishes between disk seat, valve body, and is two sets of locating component corresponds installs both sides in the disk seat, just locating component output and the corresponding setting of valve body inner wall. The utility model discloses a be equipped with two sets of locating component, realized the disk seat, the dual location of valve body is handled, and need not to adopt the bolt to consolidate, under positioning spring's elasticity promotes, order about the locating plate and alternate in the constant head tank of valve body, it is fixed to have realized the dual location of valve body and disk seat, the monolithic stationary mode is convenient, and the follow-up dismantlement of being convenient for, simultaneously under the cooperation of opening the portion, when follow-up dismantlement to the disk seat, high-pressure gas flows into in the constant head tank through inlet channel afterwards, make locating plate and constant head tank separation, be convenient for the quick dismantlement between disk seat and the valve body.

Description

Marine double-eccentric butterfly valve seat fixing structure

Technical Field

The utility model relates to a butterfly valve correlation technique field specifically is a marine double eccentric butterfly valve disk seat fixed knot constructs.

Background

The butterfly valve can be used to the flow of various types of fluid such as control air, water, steam, various corrosive medium, mud, oil, liquid metal and radioactive medium, mainly play on the pipeline and cut off and the throttle effect, the butterfly valve application range is wider, can correspond each field of using in production, but when the disk seat of current butterfly valve is connected with the valve body, mostly adopt the bolt to fasten fixedly to both, this mounting means is wasted time and energy, and follow-up dismantlement bolt that need relapse when maintaining the disk seat maintenance, and maintenance intensity is great.

The prior art has the following defects: when the disk seat of current butterfly valve is connected with the valve body, adopt the bolt to fasten both fixedly mostly, this mounting means wastes time and energy, and follow-up dismantlement bolt that need relapse when overhauing the disk seat and maintaining has increased staff's installation intensity, and the staff of not being convenient for operates and uses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marine double eccentric butterfly valve disk seat fixed knot constructs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a marine double eccentric butterfly valve disk seat fixed knot constructs, includes valve body, disk seat, seal assembly and two sets of locating component, the disk seat corresponds the bearing cover inside the valve body, seal assembly matches the cover and establishes between disk seat, valve body, and is two sets of locating component corresponds installs both sides in the disk seat, just the locating component output corresponds the setting with the valve body inner wall.

As a further preferred option of the technical solution, a transmission mechanism is installed at the top end of the valve body, and a hand wheel is correspondingly installed on one side of the transmission mechanism.

As a further preferred of the technical scheme, the two side walls of the valve body are respectively provided with the flange plate in an extending manner, and the edges of the periphery of the flange plate penetrate through the plurality of groups of positioning through holes.

As a further preferred of this technical scheme, seal assembly includes two sets of seal ring, No. two seal ring, and is two sets of No. one seal ring passes through the viscose and installs in disk seat surface both sides, No. two seal ring passes through the viscose and installs in disk seat surface center department, No. two seal ring and No. one seal ring parallel arrangement, just No. two seal ring's thickness is greater than the thickness of a seal ring.

As a further preferred of this technical scheme, locating component includes location chamber, locating plate, two sets of positioning spring, constant head tank and opening part, the constant head tank parallel is seted up in valve body inner wall both sides, the parallel embedded surface in disk seat both sides in location chamber, the sealed slip setting of locating plate is in the location intracavity, just the locating plate head end extends the location chamber, and is two sets of positioning spring corresponds installs in location intracavity bottom both sides, just positioning spring top and the laminating of locating plate lower surface, just the locating plate corresponds the interlude in the constant head tank, opening part installs at valve body both sides surface.

As a further preferred of this technical scheme, the portion of opening includes inlet channel, check valve, inlet channel parallel mount is in valve body both sides surface, just inlet channel and location intracavity intercommunication, the check valve is installed at inlet channel end department, just the check valve output is towards the location intracavity.

The utility model provides a marine double eccentric butterfly valve disk seat fixed knot constructs possesses following beneficial effect:

(1) the utility model discloses a be equipped with two sets of locating component, realized the disk seat, the dual location of valve body is handled, and need not to adopt the bolt to consolidate, when specifically using, utilize the holding down force with disk seat propelling movement to the valve body in, the disk seat reachs after the assigned position, under positioning spring's elasticity promotes, make the locating plate in the slide extension of location intracavity portion, order about the locating plate and alternate in the constant head tank of valve body, it is fixed to have realized the dual location of valve body and disk seat, the monolithic stationary mode is convenient, and the follow-up dismantlement of being convenient for, avoided traditional disk seat to adopt the inconvenient not enough of dismantling of bolt-up.

(2) The utility model discloses an under the assistance of opening portion, when follow-up dismantlement to the disk seat, the staff is connected inlet channel and external high-pressure gas, and high-pressure gas promotes the locating plate and slides in the locating groove in inlet channel inflow constant head tank afterwards for locating plate and constant head tank separation, the quick dismantlement between disk seat and the valve body of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the valve body and the valve seat of the present invention;

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

fig. 4 is a schematic structural view of the sealing assembly of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. a transmission mechanism; 4. a hand wheel; 5. a flange plate; 6. a first sealing ring; 7. a second sealing ring; 8. positioning the through hole; 9. a positioning cavity; 10. positioning a plate; 11. a positioning spring; 12. positioning a groove; 13. an opening part; 14. an air intake passage; 15. a one-way valve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1-5, the utility model provides a technical scheme: the utility model provides a marine double eccentric butterfly valve disk seat fixed knot constructs, includes valve body 1, disk seat 2, seal assembly and two sets of locating component, disk seat 2 corresponds the bearing cover inside valve body 1, seal assembly matches the cover and establishes between disk seat 2, valve body 1, and is two sets of locating component corresponds installs both sides in disk seat 2, just the locating component output corresponds the setting with 1 inner wall of valve body.

In this embodiment, specifically: a transmission mechanism 3 is installed on the top end of the valve body 1, and a hand wheel 4 is correspondingly installed on one side of the transmission mechanism 3, so that operation of workers is facilitated.

In this embodiment, specifically: 1 both sides wall of valve body all extends and installs ring flange 5, just ring flange 5 edge runs through all around and has seted up multiunit positioning hole 8, can supply the staff to carry out quick assembly to equipment.

In this embodiment, specifically: the seal assembly comprises two sets of No. one seal ring strips 6, No. two seal ring strips 7, and is two sets of No. one seal ring strip 6 is installed in 2 surface both sides of disk seat through the viscose, No. two seal ring strips 7 are installed in 2 surface center departments of disk seat through the viscose, No. two seal ring strips 7 and No. one seal ring strip 6 parallel arrangement, just No. two seal ring strip 7's thickness is greater than the thickness of a seal ring strip 6, utilizes two sets of No. one seal ring strip 6 can fill the gap between

disk seat

2 and 1 inner wall of valve body, can consolidate through No. two seal ring strips 7 valve body 1 and disk seat 2 and seal, has promoted the compactness of being connected between disk seat 2 and the valve body 1.

Example 2

In this embodiment, specifically: the positioning assembly comprises a positioning cavity 9, a positioning plate 10, two groups of positioning springs 11, positioning grooves 12 and an opening part 13, wherein the positioning grooves 12 are parallelly arranged on two sides of the inner wall of the valve body 1, the positioning cavity 9 is embedded in the outer surfaces of two sides of the valve seat 2 in parallel, the positioning plate 10 is arranged in the positioning cavity 9 in a sealing and sliding manner, the head end of the positioning plate 10 extends out of the positioning cavity 9, the two groups of positioning springs 11 are correspondingly arranged on two sides of the inner bottom end of the positioning cavity 9, the top end of the positioning spring 11 is attached to the lower surface of the positioning plate 10, the positioning plate 10 is correspondingly inserted in the positioning grooves 12, the opening part 13 is arranged on the outer surfaces of two sides of the valve body 1, the positioning plate 10 is enabled to extend in a sliding manner in the positioning cavity 9 under the elastic pushing of the positioning spring 11, the positioning plate 10 is driven to be inserted in the positioning grooves 12 of the valve body 1, and the dual positioning fixation of the valve body 1 and the valve seat 2 is realized, the integral fixing mode is convenient, the follow-up disassembly is convenient, and the defect that the traditional valve seat 2 is inconvenient to disassemble through bolt fastening is overcome.

In this embodiment, specifically: opening portion 13 includes inlet channel 14, check valve 15, inlet channel 14 parallel mount is at 1 both sides surface of valve body, just inlet channel 14 and location intracavity 9 intercommunication, check valve 15 is installed at inlet channel 14 end department, just in check valve 15 output orientation location intracavity 9, be connected inlet channel 14 with external high-pressure gas, high-pressure gas flows into in the constant head tank 12 through inlet channel 14 afterwards, promotes locating plate 10 and slides in constant head tank 12 for locating plate 10 and constant head tank 12 separate.

The working principle is that when in use, the valve seat 2 is arranged close to the valve body 1, double positioning processing of the valve seat 2 and the valve body 1 is realized by arranging two groups of positioning components, the connection stability of the valve body 1 and the valve seat 2 is strengthened, and the valve body 1 and the valve seat 2 are not required to be reinforced by bolts, when in specific use, the positioning plate 10 is pushed into the positioning cavity 9, then the valve seat 2 is pushed into the valve body 1 by utilizing the downward pressure, after the valve seat 2 reaches the designated position, the positioning plate 10 is pushed by the elasticity of the positioning spring 11 to slide and extend in the positioning cavity 9, the positioning plate 10 is driven to be inserted into the positioning groove 12 of the valve body 1, double positioning and fixing of the valve body 1 and the valve seat 2 are realized, the integral fixing mode is convenient and convenient, the subsequent disassembly is convenient, the defect that the traditional valve seat 2 is inconvenient to be disassembled by adopting bolt fastening is avoided, and the valve seat 2 is disassembled subsequently under the assistance of the opening part 13, the staff is connected inlet channel 14 and external high-pressure gas, high-pressure gas flows into in constant head tank 12 through inlet channel 14 afterwards, promote locating plate 10 and slide in constant head tank 12, make locating plate 10 and constant head tank 12 separate, be convenient for quick dismantlement between disk seat 2 and the valve body 1, through installing check valve 15 at inlet channel 14 end department, gaseous stable inflow has been guaranteed, avoid the gaseous condition of leaking outward, through being equipped with seal assembly, after accomplishing disk seat 2 and the assembly of valve body 1, utilize two sets of No. one seal ring strip 6 can fill the gap between disk seat 2 and the 1 inner wall of valve body, can consolidate sealedly to valve body 1 and disk seat 2 through No. two seal ring strips 7, the compactness of being connected between disk seat 2 and the valve body 1 has been promoted, the life of this butterfly valve has been promoted.

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

1. The utility model provides a marine double eccentric butterfly valve disk seat fixed knot constructs, its characterized in that, includes valve body (1), disk seat (2), seal assembly and two sets of locating component, disk seat (2) correspond to bear the cover inside valve body (1), seal assembly matches the cover and establishes between disk seat (2), valve body (1), and is two sets of locating component corresponds installs both sides in disk seat (2), just the locating component output corresponds the setting with valve body (1) inner wall.

2. The marine double eccentric butterfly valve seat fixing structure of claim 1, wherein: a transmission mechanism (3) is installed on the top end of the valve body (1), and a hand wheel (4) is correspondingly installed on one side of the transmission mechanism (3).

3. The marine double eccentric butterfly valve seat fixing structure of claim 1, wherein: the two side walls of the valve body (1) are all extended and provided with the flange plate (5), and the edges of the periphery of the flange plate (5) are penetrated and provided with a plurality of groups of positioning through holes (8).

4. The marine double eccentric butterfly valve seat fixing structure of claim 1, wherein: the sealing assembly comprises two sets of sealing ring strips (6) and two sealing ring strips (7), the sealing ring strips (6) are installed on two sides of the outer surface of the valve seat (2) through viscose, the sealing ring strips (7) are installed in the center of the outer surface of the valve seat (2) through viscose, the sealing ring strips (7) are arranged in parallel with the sealing ring strips (6), and the thickness of the sealing ring strips (7) is larger than that of the sealing ring strips (6).

5. The marine double eccentric butterfly valve seat fixing structure of claim 1, wherein: locating component is including location chamber (9), locating plate (10), two sets of positioning spring (11), constant head tank (12) and opening portion (13), constant head tank (12) parallel is seted up in valve body (1) inner wall both sides, location chamber (9) parallel is embedded at disk seat (2) both sides surface, locating plate (10) seal up the slip setting in location chamber (9), just locating plate (10) head end extends location chamber (9), and is two sets of positioning spring (11) correspond and install in location chamber (9) bottom both sides, just positioning spring (11) top and the laminating of locating plate (10) lower surface, just locating plate (10) correspond to alternate in constant head tank (12), opening portion (13) are installed at valve body (1) both sides surface.

6. The valve seat fixing structure of the marine double eccentric butterfly valve according to claim 5, wherein: opening portion (13) include inlet channel (14), check valve (15), inlet channel (14) parallel mount is in valve body (1) both sides surface, just communicate in inlet channel (14) and location chamber (9), check valve (15) are installed in inlet channel (14) end department, just check valve (15) output is towards in the location chamber (9).