CN217634434U

CN217634434U - High-temperature high-pressure valve with fastening structure

Info

Publication number: CN217634434U
Application number: CN202221473873.0U
Authority: CN
Inventors: 陆超; 陈龙; 张沪宁; 朱鑫杰; 徐丽萍
Original assignee: Jiangsu Huatai Electric Power Electronic Instrument Co ltd
Current assignee: Jiangsu Huatai Electric Power Electronic Instrument Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-21
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to the technical field of valve equipment, the both ends of valve main part integrated into one piece symmetry are provided with the connection pad, the equidistant mounting hole that is provided with on the connection pad, and the connection pad is provided with the fixed pipe in the avris position of mounting hole fixedly, and fixed outside of tubes wall is provided with annular standing groove, and the avris of annular standing groove is provided with import groove and positioning groove, and the one end of import groove is linked together with annular standing groove, and the other end extends to the tip of fixed pipe; the utility model discloses a high temperature high pressure valve with fastening structure, the utility model discloses a cooperation adaptation between the fixed pipe that sets up and the fastening structure can carry out fine locking that compresses tightly to the bolt that the valve installation was used, avoids it to produce not hard up problem at the during operation to guarantee valve firm in connection nature, improve its job stabilization nature.

Description

High-temperature high-pressure valve with fastening structure

Technical Field

The utility model relates to a valve equipment technical field specifically is a high temperature high pressure valve with fastening structure.

Background

The valve is a necessary accessory which is installed on a boiler and a pipeline thereof and used for cutting off, adjusting medium flow or changing medium flowing direction, on a power plant boiler system, the commonly used valve comprises a safety valve, a blow-off valve, a stop valve, a gate valve, a check valve, a pressure reducing valve and the like, while the existing high-temperature high-pressure valve for power plants is an automatic pressure relief protection device which is opened by inlet static pressure, and the high-temperature valve is one of the most important safety accessories of a pressure container.

The installation of high temperature high pressure valve under prior art is fixed, fixes it on pipeline through the bolt usually, and under long-time the use, the bolt produces easily not hard up, and then causes high temperature high pressure valve fastness to reduce, causes the influence to its job stabilization nature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature high pressure valve with fastening structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-temperature high-pressure valve with a fastening structure comprises

The valve comprises a valve body, connecting discs are symmetrically arranged at two ends of the valve body in an integrated forming mode, mounting holes are formed in the connecting discs at equal intervals, a fixed pipe is fixedly arranged at the side position of each connecting disc in the corresponding mounting hole, an annular placing groove is formed in the outer side wall of each fixed pipe, an inlet groove and a positioning clamping groove are formed in the side of each annular placing groove, one end of each inlet groove is communicated with the corresponding annular placing groove, the other end of each inlet groove extends to the end portion of the corresponding fixed pipe, an extrusion spring is fixedly arranged in each annular placing groove, and a movable lantern ring is fixedly connected to one end of each extrusion spring;

the fastening structure comprises a locking sleeve, a positioning fixture block, a fixed body, a movable extrusion block and an auxiliary spring.

Preferably, the fixed pipes correspond to the mounting holes in the connecting disc in arrangement positions and are arranged in the same number.

Preferably, the inner diameter of the fixed pipe is larger than the diameter of the mounting hole in the connecting disc.

Preferably, the fixed positioning fixture block that is provided with of locking cover inside wall, and the fixed body that is provided with of locking cover medial extremity, be provided with the recess in the fixed body, the activity is provided with movable extrusion piece in the recess, the one end of movable extrusion piece extends to the locking cover outside, and other end integrated into one piece is provided with auxiliary spring, and auxiliary spring other end is fixed to be set up in the recess.

Preferably, the movable extrusion blocks correspond to the mounting holes in the connecting disc in arrangement positions and are arranged in the same number.

Preferably, the positioning fixture blocks correspond to the inlet grooves and the positioning clamp grooves in arrangement positions and are arranged in the same number, the positioning fixture blocks are in adaptive sliding connection with the inlet grooves, and the positioning fixture blocks are in adaptive clamping connection with the positioning clamp grooves.

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

the utility model discloses a cooperation adaptation between the fixed pipe that sets up and the fastening structure can carry out fine locking that compresses tightly to the bolt that the valve installation was used, avoids it to produce not hard up problem at the during operation to guarantee valve firm in connection nature, improve its job stabilization nature.

Drawings

FIG. 1 is a left side schematic view of a structure connection of a high temperature and high pressure valve of the utility model;

FIG. 2 is an enlarged view of a portion of the structure shown in FIG. 1;

FIG. 3 is a right side schematic view of the structure connection of the high temperature and high pressure valve of the utility model;

FIG. 4 is an enlarged view of a portion of the structure shown in FIG. 3;

fig. 5 is a partial sectional view of the fastening structure of the utility model.

In the figure: the valve comprises a valve body 1, a connecting disc 2, a fixed pipe 3, an annular placing groove 4, an inlet groove 5, a positioning clamping groove 6, an extrusion spring 7, a movable lantern ring 8, a locking sleeve 9, a positioning clamping block 10, a fixed body 11, a movable extrusion block 12 and an auxiliary spring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts, all belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a high-temperature high-pressure valve with a fastening structure, the utility model discloses a

The valve comprises a valve body 1, connecting discs 2 are symmetrically arranged at two ends of the valve body 1 in an integrated forming mode, mounting holes are equidistantly formed in the connecting discs 2, fixed pipes 3 are fixedly arranged at the side positions of the mounting holes of the connecting discs 2, annular placing grooves 4 are formed in the outer side walls of the fixed pipes 3, inlet grooves 5 and positioning clamping grooves 6 are formed in the side sides of the annular placing grooves 4, one ends of the inlet grooves 5 are communicated with the annular placing grooves 4, the other ends of the inlet grooves extend to the end portions of the fixed pipes 3, extrusion springs 7 are fixedly arranged in the annular placing grooves 4, and one ends of the extrusion springs 7 are fixedly connected with movable lantern rings 8;

the fastening structure comprises a locking sleeve 9, a positioning fixture block 10, a fixed body 11, a movable extrusion block 12 and an auxiliary spring 13.

The fixed tubes 3 correspond to the mounting holes in the connecting disc 2 in arrangement positions and are arranged in the same number; the inner diameter of the fixed pipe 3 is larger than the diameter of the mounting hole on the connecting disc 2.

A positioning fixture block 10 is fixedly arranged on the inner side wall of the locking sleeve 9, a fixing body 11 is fixedly arranged at the end part of the inner side of the locking sleeve 9, a groove is arranged in the fixing body 11, a movable extrusion block 12 is movably arranged in the groove, one end of the movable extrusion block 12 extends to the outer side of the locking sleeve 9, an auxiliary spring 13 is integrally formed at the other end of the movable extrusion block 12, and the other end of the auxiliary spring 13 is fixedly arranged in the groove; the movable extrusion blocks 12 correspond to the mounting holes on the connecting disc 2 in arrangement positions and are arranged in the same number; the positioning fixture blocks 10 correspond to the inlet slot 5 and the positioning fixture slots 6 in arrangement positions and are arranged in the same number, the positioning fixture blocks 10 are in adaptive sliding connection with the inlet slot 5, and the positioning fixture blocks 10 are in adaptive clamping connection with the positioning fixture slots 6.

For the installation and fixation of the valve, firstly, the connection discs 2 at two ends of the valve are aligned with the connection pipes, then, bolts are inserted from the installation holes in the connection discs 2, namely, the heads of the bolts enter the fixed pipe 3, the bolts are screwed, then, the locking sleeves 9 are clamped on the fixed pipe 3, namely, the positioning clamping blocks 10 on the inner side walls of the locking sleeves 9 are inserted in alignment with the inlet grooves 5 and reach the annular placing grooves 4, at the moment, the heads of the bolts are extruded by the movable extrusion blocks 12, the auxiliary springs 13 connected with the movable extrusion blocks 12 are in a compression state, then, the locking sleeves 9 are rotated, when the positioning clamping blocks 10 reach the positions of the positioning clamping grooves 6, the positioning clamping blocks are clamped into the positioning clamping grooves 6 under the pushing and pressing action of the extrusion springs 7 and the movable lantern rings 8, so that the position positioning of the locking sleeves 9 is realized, the bolts are pressed under the action of the movable extrusion blocks 12 and the auxiliary springs 13, so that the loosening phenomenon of the bolts is avoided, the auxiliary springs 13 are arranged, the auxiliary springs 13 can enable the movable extrusion blocks 12 to continuously carry out the head of the bolts, the fastening stability of the bolts is improved, the pressing operation is simple and the use is convenient.

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 high temperature high pressure valve with fastening structure which characterized in that: comprises that

The valve comprises a valve main body (1), connecting discs (2) are symmetrically arranged at two ends of the valve main body (1) in an integrated forming mode, mounting holes are formed in the connecting discs (2) at equal intervals, a fixed pipe (3) is fixedly arranged at the side position of each mounting hole of each connecting disc (2), an annular placing groove (4) is formed in the outer side wall of each fixed pipe (3), an inlet groove (5) and a positioning clamping groove (6) are formed in the side of each annular placing groove (4), one end of each inlet groove (5) is communicated with each annular placing groove (4), the other end of each inlet groove extends to the end portion of each fixed pipe (3), an extrusion spring (7) is fixedly arranged in each annular placing groove (4), and a movable lantern ring (8) is fixedly connected to one end of each extrusion spring (7);

the fastening structure comprises a locking sleeve (9), a positioning fixture block (10), a fixed body (11), a movable extrusion block (12) and an auxiliary spring (13).

2. The high-temperature and high-pressure valve with the fastening structure as claimed in claim 1, wherein: the fixed pipe (3) and the mounting hole on the connecting disc (2) are arranged at the corresponding positions and are arranged in the same number.

3. The high-temperature and high-pressure valve with the fastening structure as claimed in claim 1, wherein: the inner diameter of the fixed pipe (3) is larger than the diameter of the mounting hole in the connecting disc (2).

4. The high-temperature and high-pressure valve with the fastening structure as claimed in claim 1, wherein: the locking cover (9) inside wall is fixed and is provided with location fixture block (10), and locking cover (9) medial extremity is fixed and is provided with fixed body (11), be provided with the recess in fixed body (11), the activity is provided with activity extrusion block (12) in the recess, the one end of activity extrusion block (12) extends to the locking cover (9) outside, and other end integrated into one piece is provided with auxiliary spring (13), and auxiliary spring (13) other end is fixed to be set up in the recess.

5. The high-temperature and high-pressure valve with the fastening structure as claimed in claim 4, wherein: the movable extrusion blocks (12) correspond to the mounting holes in the connecting disc (2) in arrangement positions and are arranged in the same number.

6. The high-temperature and high-pressure valve with the fastening structure as claimed in claim 4, wherein: the positioning fixture blocks (10) correspond to the inlet grooves (5) and the positioning fixture grooves (6) in arrangement positions and are arranged in the same number, the positioning fixture blocks (10) are in adaptive sliding connection with the inlet grooves (5), and the positioning fixture blocks (10) are in adaptive clamping connection with the positioning fixture grooves (6).