CN216200834U

CN216200834U - Valve explosion-proof structure

Info

Publication number: CN216200834U
Application number: CN202122663187.1U
Authority: CN
Inventors: 孙虎
Original assignee: Yancheng Baodi Valve Co ltd
Current assignee: Yancheng Chuyang Building Materials Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The application discloses a valve explosion-proof structure, which comprises a valve body, an explosion-proof mechanism and an opening and closing mechanism; explosion-proof mechanism includes an explosion-proof section of thick bamboo, an explosion-proof section of thick bamboo is fixed to be established in the valve body bottom, the fixed connecting pipe that is equipped with on the explosion-proof section of thick bamboo, the fixed cover has connect the cover post in the explosion-proof section of thick bamboo, it has the connecting rod to connect the post to go up to slide to run through, connecting rod bottom fixedly connected with fixed block, connecting rod top fixed connection is on explosion-proof lid, the fixed cover in explosion-proof lid outer lane has connect elastic seal. This application promotes explosion-proof cover downstream through the inside too big pressure differential of valve body, and elastic sealing ring all has elasticity with elastic rubber circle for pressing when the elastic rubber circle downstream moves elastic sealing ring shrink, the connecting rod of explosion-proof cover bottom cup joints the post and moves, the spring compression, explosion-proof cover move to with the elastic sealing ring separation, rivers flow through the connecting pipe that sets up on the explosion-proof section of thick bamboo, prevent that the valve body from damaging because of pressure is too big.

Description

Valve explosion-proof structure

Technical Field

The application relates to the field of valves, in particular to an explosion-proof structure of a valve.

Background

Valves are pipe fittings used for opening and closing pipelines, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow) of conveying media, can be divided into shut-off valves, check valves, regulating valves and the like according to functions, are control parts in a fluid conveying system, and have the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting, overflowing, relieving pressure and the like.

When the existing valve works, the valve is easy to burst due to overlarge internal pressure, and the replacement cost of the valve is high. Therefore, a valve explosion-proof structure is provided for solving the problems.

Disclosure of Invention

The valve explosion-proof structure is provided in the embodiment and used for solving the problem that the valve in the prior art does not have the explosion-proof structure inside.

According to one aspect of the application, a valve explosion-proof structure is provided, which comprises a valve body, an explosion-proof mechanism and an opening and closing mechanism;

explosion-proof mechanism includes an explosion-proof section of thick bamboo, an explosion-proof section of thick bamboo is fixed to be established in the valve body bottom, the fixed connecting pipe that is equipped with on the explosion-proof section of thick bamboo, the fixed cover in the explosion-proof section of thick bamboo has cup jointed the post, cup joint and slide on the post and run through the connecting rod, connecting rod bottom fixedly connected with fixed block, connecting rod top fixed connection is on explosion-proof cover, the fixed cover in explosion-proof cover outer lane has cup jointed the elastic seal circle, the overlap joint of elastic seal circle outer lane is on the elastic rubber circle, the fixed cover of elastic rubber circle is on the explosion-proof section of thick bamboo.

Furthermore, the explosion-proof cover is fixedly connected with a spring, the other end of the spring is fixedly connected to the sleeving connection column, and the spring is sleeved on the connecting rod.

Further, the diameter of the section of the inner ring at the top end of the elastic rubber ring is larger than that of the section of the inner ring at the bottom end of the elastic rubber ring.

Further, the mechanism that opens and shuts includes a fixed section of thick bamboo, the threaded rod has been cup jointed to the screw thread on the fixed section of thick bamboo, threaded rod top fixedly connected with handle, the threaded rod bottom is rotated and is connected on the valve plate, the valve plate both ends are all slided and are run through the bracing piece and extend to the outside, bracing piece top fixed connection is on the fixed section of thick bamboo, bracing piece bottom fixed connection is on fixed frame, fixed frame overlap joint is on the disk seat, both sides about the disk seat both ends difference fixed connection is the valve body.

Furthermore, a filter plate is fixedly arranged in the fixing frame, the filter plate at the bottom end is lapped in the opening, and the opening is fixedly arranged on the valve seat.

Furthermore, the two sides of the fixed cylinder are fixedly connected with connecting plates, a fixing bolt penetrates through the upper threads of the connecting plates, and the bottom end of the fixing bolt is sleeved on the valve body in a threaded manner.

Through the above-mentioned embodiment of this application, adopted explosion-proof mechanism, solved the inside problem that does not possess explosion-proof structure of valve, improved the life of valve.

Drawings

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

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present application.

In the figure: 1. a valve body; 2. a support bar; 3. a fixed cylinder; 4. a threaded rod; 5. a handle; 6. a valve plate; 7. fixing the bolt; 8. a connecting plate; 9. a fixing frame; 10. an explosion-proof cylinder; 11. a valve seat; 12. filtering the plate; 13. a valve port; 14. a connecting pipe; 15. a connecting rod; 16. sleeving the column; 17. a fixed block; 18. a spring; 19. an explosion-proof cover; 20. an elastic sealing ring; 21. an elastic rubber ring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The explosion-proof mechanism in this embodiment can be applied to various valves, for example, the following valve is provided in this embodiment, and the explosion-proof mechanism in this embodiment can be used to perform explosion-proof of the following valve.

This kind of valve, this valve include valve body, disk seat, butterfly grillage and sealing ring, and wherein, this valve body has the valve pocket, and this butterfly grillage, sealing ring and disk seat all are located the valve pocket, and the sealing ring pressure is established on this butterfly grillage, can with this butterfly grillage sealing connection.

One side surface of the valve seat is connected with the sealing ring in an abutting mode, the other side surface of the valve seat is connected with the valve body in a sealing mode, a first installation cavity is formed between the valve seat and the inner wall surface of the valve body after the valve seat is connected with the inner wall surface of the valve body, a first positioning structure is arranged in the first installation cavity, the valve seat has an installation state of rotating along the circumferential surface of the valve cavity, and the valve seat is installed on the valve body in a positioning mode through the first positioning structure in the installation state; in the valve with the structure, the first positioning structure is arranged, when the valve seat is rotatably installed along the circumferential surface of the valve cavity, the valve seat can be positioned and installed on the valve body, the sealing ring can be correspondingly and hermetically connected with the valve seat after the corresponding fixed installation between the valve seat and the valve body is ensured, the installation process is simple, the installation can be completed without manual scribing on the sealing ring or the valve seat, and the defects that in the prior art, when the sealing ring and the valve seat are assembled, the relative positions of the sealing ring and the valve seat are ensured due to the fact that the scribing marked in advance needs to be visually aligned, and the assembling efficiency is low and the assembling requirement of an ultralow-temperature side-installed online maintenance butterfly valve is not suitable due to large influence of experience of assembling personnel in the installation process are overcome; the first positioning structure comprises at least one first positioning piece, any one first positioning piece is arranged on the inner circular wall surface of the valve body, a first positioning groove is formed in the position, corresponding to the first mounting cavity, of the outer circular wall surface of the valve seat, when the valve seat rotates relative to the valve body and is in a mounting state, the first positioning piece can correspondingly rotate into the first positioning groove and is fixed in the first positioning groove, and positioning and mounting between the valve seat and the valve body are completed; the first positioning piece can be a positioning pin, the axial direction of the positioning pin is perpendicular to the axial direction of the valve cavity, when the valve seat is installed by rotating the rod along the circumferential surface of the valve cavity of the valve body, the positioning pin can be pushed into the first positioning groove to complete the installation of the valve seat and the valve body, specifically, the positioning pin is arranged on the valve body, the first positioning groove is arranged on the outer circular surface of the valve seat matched with the valve body, during the assembly, the valve seat is firstly placed into one part of the valve body and then pushed into and rotates the valve seat, when the first positioning groove on the valve seat is contacted with the positioning pin on the valve body, the valve seat can be automatically and completely pushed into a step of the valve body, and at the moment, the radial position of the valve seat on the valve body is limited and fixed by the positioning pin; in this embodiment, still include second location structure, this second location structure is connected between above-mentioned butterfly grillage and sealing ring, and this sealing ring has the installation state of following the global rotational motion of butterfly grillage, and under the installation state, this second location structure is with the sealing ring location installation on the butterfly grillage.

Of course, the present embodiment can also be used for valves with explosion-proof other structures. Here, description is not repeated, and the following describes the explosion-proof mechanism according to the embodiment of the present application.

Referring to fig. 1-3, an explosion-proof structure of a valve includes a valve body 1, an explosion-proof mechanism and an opening and closing mechanism;

explosion-proof mechanism includes explosion-proof section of thick bamboo 10, explosion-proof section of thick bamboo 10 is fixed to be established in 1 bottom of valve body, the fixed connecting pipe 14 that is equipped with on the explosion-proof section of thick bamboo 10, the fixed cover has connect the column 16 of cup jointing in the explosion-proof section of thick bamboo 10, it has connecting rod 15 to run through to slide on the column 16 of cup jointing, 15 bottom fixedly connected with fixed blocks 17 of connecting rod, 15 top fixed connection of connecting rod is on explosion-proof lid 19, the fixed elastic seal circle 20 that has cup jointed in 19 outer lanes of explosion-proof lid, the overlap joint of 20 outer lanes of elastic seal circle is on elastic rubber circle 21, the fixed cover of elastic rubber circle 21 is fixed to be connected on explosion-proof section of thick bamboo 10, is convenient for promote the separation of elastic rubber circle 21 and elastic seal circle 20 through pressure differential, draws out the inside fluid of valve body 1, prevents that the valve from damaging.

The explosion-proof cover 19 is fixedly connected with a spring 18, the other end of the spring 18 is fixedly connected to the sleeving column 16, and the spring 18 is sleeved on the connecting rod 15 so as to be convenient for pushing the explosion-proof cover 19 to move through the spring 18; the diameter of the section of the inner ring at the top end of the elastic rubber ring 21 is larger than that of the section of the inner ring at the bottom end; the opening and closing mechanism comprises a fixed cylinder 3, a threaded rod 4 is sleeved on the fixed cylinder 3 in a threaded manner, the top end of the threaded rod 4 is fixedly connected with a handle 5, the bottom end of the threaded rod 4 is rotatably connected to a valve plate 6, two ends of the valve plate 6 slidably penetrate through the supporting rod 2 and extend to the outside, the top end of the supporting rod 2 is fixedly connected to the fixed cylinder 3, the bottom end of the supporting rod 2 is fixedly connected to a fixed frame 9, the fixed frame 9 is lapped on a valve seat 11, two ends of the valve seat 11 are respectively and fixedly connected to the upper side and the lower side of the valve body 1, and the opening and closing of the valve are conveniently controlled through lapping of the valve plate 6 and the fixed frame 9 and separation; a filter plate 12 is fixedly arranged in the fixing frame 9, the filter plate 12 at the bottom end is lapped in an opening, and the opening is fixedly arranged on the valve seat 11, so that impurities in the fluid can be conveniently filtered; the equal fixedly connected with connecting plate 8 in fixed cylinder 3 both sides, the screw thread runs through there is fixing bolt 7 on the connecting plate 8, 7 bottom screw threads of fixing bolt cup joint on valve body 1, the position of the fixed cylinder 3 of being convenient for fix.

When the utility model is used, electrical elements appearing in the application are externally connected with a power supply and a control switch when in use, firstly, a fixed cylinder 3 is arranged on a valve body 1 through a fixed bolt 7, a fixed frame 9 on a support rod 2 is lapped on a valve seat 11, a filter plate 12 is lapped in a valve port 13, a threaded rod 4 is driven to rotate through rotating a handle 5, a valve plate 6 which is connected in a rotating way is pushed to move, the valve plate 6 slides on the support rod 2 to fix the moving direction of the valve plate 6, the valve plate 6 moves to be jointed with the filter plate 12, the valve is in a closed state, the threaded rod 4 is reversed to drive the valve plate 6 to be separated from the filter plate 12, the valve is in an open state at the moment, impurities in the fluid are filtered through the filter plate 12, when the internal pressure of the valve body 1 is overlarge, a pressure difference pushes an explosion-proof cover 19 to move downwards, the elastic sealing ring 20 and the elastic rubber ring 21 both have elasticity, so that the elastic sealing ring 20 is pressed and moved downwards to shrink, the connecting rod 15 at the bottom end of the explosion-proof cover 19 moves on the sleeve column 16, the spring 18 is compressed, the explosion-proof cover 19 moves to be separated from the elastic sealing ring 20, and water flows out through the connecting pipe 14 arranged on the explosion-proof cylinder 10, so that the valve body 1 is prevented from being damaged due to overlarge pressure.

The application has the advantages that:

1. the explosion-proof cover is pushed to move downwards by overlarge pressure difference in the valve body, the elastic sealing ring and the elastic rubber ring have elasticity, so that the elastic sealing ring is pressed to contract when the elastic rubber ring moves downwards, the connecting rod at the bottom end of the explosion-proof cover moves on the sleeve connection column, the spring is compressed, the explosion-proof cover moves to be separated from the elastic sealing ring, water flows out through the connecting pipe arranged on the explosion-proof cylinder, and the valve body is prevented from being damaged due to overlarge pressure;

2. this application is rational in infrastructure, through rotating the handle, drives the threaded rod and rotates, promotes to rotate the valve plate motion of connecting, and the valve plate slides on the bracing piece, the direction of motion of the fixed valve plate of being convenient for, the valve plate move to with the filter plate laminating, the valve is in the closed condition, reverse threaded rod drives valve plate and filter plate separation, the valve is in the open mode this moment, filters impurity in the fluid through the filter plate.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a valve explosion-proof structure which characterized in that: comprises a valve body (1), an explosion-proof mechanism and an opening and closing mechanism;

explosion-proof mechanism is including explosion-proof section of thick bamboo (10), explosion-proof section of thick bamboo (10) are fixed to be established in valve body (1) bottom, the fixed connecting pipe (14) that is equipped with on explosion-proof section of thick bamboo (10), the fixed cover of having connect in explosion-proof section of thick bamboo (10) has connect post (16), it has connecting rod (15) to slide to run through on connect post (16), connecting rod (15) bottom fixedly connected with fixed block (17), connecting rod (15) top fixed connection is on explosion-proof lid (19), the fixed cover of explosion-proof lid (19) outer lane has connect elastic sealing ring (20), elastic sealing ring (20) outer lane overlap joint is on elastic rubber circle (21), elastic rubber circle (21) are fixed to be cup jointed on explosion-proof section of thick bamboo (10).

2. A valve explosion-proof structure according to claim 1, wherein: the explosion-proof cover (19) is fixedly connected with a spring (18), the other end of the spring (18) is fixedly connected to the sleeving column (16), and the spring (18) is sleeved on the connecting rod (15).

3. A valve explosion-proof structure according to claim 1, wherein: the diameter of the section of the inner ring at the top end of the elastic rubber ring (21) is larger than that of the section of the inner ring at the bottom end.

4. A valve explosion-proof structure according to claim 1, wherein: the mechanism that opens and shuts includes solid fixed cylinder (3), threaded rod (4) have been cup jointed to solid fixed cylinder (3) upper thread, threaded rod (4) top fixedly connected with handle (5), threaded rod (4) bottom is rotated and is connected on valve plate (6), valve plate (6) both ends are all slided and are run through bracing piece (2) and extend to the outside, bracing piece (2) top fixed connection is on solid fixed cylinder (3), bracing piece (2) bottom fixed connection is on fixed frame (9), fixed frame (9) overlap joint is on disk seat (11), disk seat (11) both ends difference fixed connection is both sides about valve body (1).

5. A valve explosion-proof structure according to claim 4, wherein: the filter plate (12) is fixedly arranged in the fixing frame (9), the filter plate (12) at the bottom end is lapped in the opening, and the opening is fixedly arranged on the valve seat (11).

6. A valve explosion-proof structure according to claim 4, wherein: the valve is characterized in that connecting plates (8) are fixedly connected to two sides of the fixed cylinder (3), a fixing bolt (7) penetrates through the upper threads of the connecting plates (8), and the bottom end of the fixing bolt (7) is sleeved on the valve body (1).