CN215110615U

CN215110615U - Ball valve with good fireproof performance

Info

Publication number: CN215110615U
Application number: CN202120763759.0U
Authority: CN
Inventors: 胡显堂; 张丹; 侯斌; 彭家银; 陈光春; 陈轩; 杨小俊; 陈晓飞
Original assignee: Zhejiang Feibike Valve Co ltd
Current assignee: Zhejiang Feibike Valve Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-12-10
Anticipated expiration: 2031-04-14

Abstract

The application discloses a ball valve with good fireproof performance, which comprises a second valve body, a side valve body, a connecting frame and a first valve body; the inner cavity of the second valve body is provided with a ball body, both sides of the inner cavity are provided with valve seats, the valve seats are fixedly connected with the inner wall of the second valve body, both sides of the top and the bottom of the inner cavity of the second valve body are provided with second protection pads, the second protection pads are positioned between the ball body and the inner wall of the second valve body, the surface of the valve seat is bonded with a layer of fireproof pad, the bottom of the second valve body is provided with a rotating groove, a rotating block is arranged in the rotating groove, and the top of the rotating block is fixedly connected with the ball body; the side valve body is characterized in that a connecting frame is fixedly connected to one side of the side valve body, connecting grooves are formed in two sides of the second valve body, a second connecting bolt is arranged on one side of the connecting frame, the second connecting bolt penetrates through the connecting frame and extends into the connecting grooves, a filter screen is arranged in an inner cavity of the side valve body and clamped in the clamping grooves, and the clamping grooves are fixedly connected to the inner wall of the side valve body. The application provides a ball valve convenient to dismantle and fire behavior is good.

Description

Ball valve with good fireproof performance

Technical Field

The application relates to a cigar lighter specifically is a ball valve that fire behavior is good.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

Ball valve when the installation uses, the ball valve fire behavior of general adoption is relatively poor, destroys easily when meetting the intensity of a fire, to some ball valves of installing on gas pipeline, brings the potential safety hazard easily, and the performance of preventing frostbite is also very important to the ball valve moreover, freezes easily when the temperature is lower. Therefore, a ball valve with good fireproof performance is provided for solving the problems.

Disclosure of Invention

A ball valve with good fireproof performance comprises a second valve body, a side valve body, a connecting frame and a first valve body;

the inner cavity of the second valve body is provided with a ball body, both sides of the inner cavity are provided with valve seats, the valve seats are fixedly connected with the inner wall of the second valve body, both sides of the top and the bottom of the inner cavity of the second valve body are provided with second protection pads, the second protection pads are positioned between the ball body and the inner wall of the second valve body, the surface of the valve seat is bonded with a layer of fireproof pad, the bottom of the second valve body is provided with a rotating groove, a rotating block is arranged in the rotating groove, and the top of the rotating block is fixedly connected with the ball body;

the side valve body is characterized in that one side of the side valve body is fixedly connected with a connecting frame, connecting grooves are formed in two sides of the second valve body, a second connecting bolt is arranged on one side of the connecting frame, the second connecting bolt penetrates through the connecting frame and extends into the connecting grooves, a filter screen is arranged in an inner cavity of the side valve body and clamped in the screen groove, and the screen groove is fixedly connected with the inner wall of the side valve body.

Further, the top of the second valve body is provided with a convex ring, the bottom of the first valve body is connected with the convex ring, two sides of the bottom end of the first valve body are respectively provided with a first connecting bolt, the bottom end of the first connecting bolt penetrates through the first protection pad to be connected with the second valve body, the top of the second valve body is provided with a plurality of clamping grooves, clamping blocks are arranged inside the clamping grooves, and the tops of the clamping blocks are fixedly connected with the first protection pad.

Further, first connecting bolt passes through first valve body of threaded connection and second valve body, second valve body surface draw-in groove is annular array distribution, the fixture block is the cylinder, and the fixture block diameter is less than second valve body surface draw-in groove diameter.

Further, a valve rod is arranged in the inner cavity of the first valve body, the bottom end of the valve rod is connected with an ejector rod, a groove and a convex block are respectively arranged on one opposite sides of the valve rod and the ejector rod, the bottom end of the ejector rod penetrates through the second valve body fixedly connected with the ball body, a circle of first protection pad is arranged on the ejector rod and the first valve body in a connected mode, the first protection pad is bonded with the inner wall of the first valve body, and filling materials are arranged in an annular filling groove in the top of the first valve body.

Further, first valve body surface cover has the cover that removes, remove cover surface rigid coupling protective housing, the protective housing bottom is through connecting plate and screw connection second valve body top, the protective housing inner chamber is equipped with the PLASTIC LAMINATED.

Further, first valve body top and bottom external diameter all are greater than first valve body central authorities external diameter, first valve body and removal cover sliding connection, remove the cover internal diameter and be less than first valve body top external diameter.

Further, the second protection pad is of an arc-shaped structure, a rubber pad is arranged inside the second protection pad, the bottom of the rubber pad is in composite connection with a fireproof layer, the bottom of the fireproof layer is in composite connection with an anti-freezing layer, the thicknesses of the rubber pad, the fireproof layer and the anti-freezing layer are the same, and the fireproof layer is made of glass fiber materials.

Furthermore, the turning block is a cylinder, the diameter of the turning groove is smaller than that of the turning block, the fireproof pad is made of asbestos, thread grooves are formed in the surfaces of the two ends of the second valve body, and threads are formed in the inner side of the connecting frame.

Furthermore, the second connecting bolt is connected with the connecting groove and the connecting frame through threads, and a plurality of connecting holes corresponding to the connecting groove are formed in one side of the connecting frame.

Furthermore, the opening is formed in the center of the sphere, the inner diameter of the opening is smaller than that of one end of the fireproof pad, and the outer diameters of the two ends of the second valve body are smaller than that of the connecting frame.

The beneficial effect of this application is: the application provides a ball valve convenient to dismantle and fire behavior is good.

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 perspective view of an embodiment of the present application;

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

fig. 3 is a schematic perspective view of a second protection pad according to an embodiment of the present application.

In the figure: 1. the anti-freezing valve comprises a clamping groove, 2, a filter screen, 3, a side valve body, 4, a thread groove, 5, a valve seat, 6, a protective shell, 7, a first protective pad, 8, a moving sleeve, 9, a valve rod, 10, a filling material, 11, a first valve body, 12, a mandril, 13, a fireproof plate, 14, a first connecting bolt, 15, a clamping block, 16, a connecting plate, 17, a fireproof pad, 18, a second connecting bolt, 19, a connecting groove, 20, a rotating groove, 21, a rotating block, 22, a ball body, 23, a second valve body, 24, a second protective pad, 25, a connecting frame, 26, a rubber pad, 27, a fireproof layer, 28 and an anti-freezing layer.

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.

Referring to fig. 1-3, a ball valve with good fire-proof performance includes a second valve body 23, a side valve body 3, a connecting frame 25 and a first valve body 11;

a sphere 22 is arranged in an inner cavity of the second valve body 23, valve seats 5 are arranged on two sides of the inner cavity, the valve seats 5 are fixedly connected with the inner wall of the second valve body 23, second protection pads 24 are arranged on two sides of the top and the bottom of the inner cavity of the second valve body 23, the second protection pads 24 are positioned between the sphere 22 and the inner wall of the second valve body 23, a layer of fireproof pad 17 is bonded on the surface of the valve seat 5, a rotating groove 20 is formed in the bottom of the second valve body 23, a rotating block 21 is arranged in the rotating groove 20, and the top of the rotating block 21 is fixedly connected with the sphere 22;

the side valve body 3 one side rigid coupling link 25, spread groove 19 is all seted up to second valve body 23 both sides, link 25 one side is equipped with second connecting bolt 18, second connecting bolt 18 runs through in link 25 extends to spread

groove

19, 3 inner chambers of side valve body are equipped with filter screen 2, filter screen 2 card is in the

screen groove

1, 3 inner walls of screen groove 1 rigid coupling side valve body.

A convex ring is arranged at the top of the second valve body 23, the bottom of the first valve body 11 is connected with the convex ring, first connecting bolts 14 are arranged on two sides of the bottom end of the first valve body 11, the bottom ends of the first connecting bolts 14 penetrate through a first protection pad 7 to be connected with the second valve body 23, a plurality of clamping grooves are formed in the top of the second valve body 23, clamping blocks 15 are arranged inside the clamping grooves, and the top of each clamping block 15 is fixedly connected with the first protection pad 7 so as to be convenient for connecting the second valve body 23 with the first valve body 1; the first connecting bolt 14 is connected with the first valve body 11 and the second valve body 23 through threads, the clamping grooves on the surface of the second valve body 23 are distributed in an annular array, the fixture block 15 is a cylinder, the diameter of the fixture block 15 is smaller than that of the clamping grooves on the surface of the second valve body 23, and the second valve body 23 and the first valve body 11 are convenient to install and disassemble; a valve rod 9 is arranged in the inner cavity of the first valve body 11, the bottom end of the valve rod 9 is connected with an ejector rod 12, a groove and a bump are respectively arranged on one opposite side of the valve rod 9 and the ejector rod 12, the bottom end of the ejector rod 12 penetrates through a second valve body 23 and is fixedly connected with a sphere 22, the ejector rod 12 is connected with the first valve body 11 and is provided with a circle of first protection pad 7, the first protection pad 7 is bonded with the inner wall of the first valve body 11, and a ring-shaped filling groove in the top of the first valve body 11 is internally provided with filler 10 so as to protect the valve rod 9; the surface of the first valve body 11 is sleeved with a movable sleeve 8, the surface of the movable sleeve 8 is fixedly connected with a protective shell 6, the bottom end of the protective shell 6 is connected with the top of the second valve body 23 through a connecting plate 16 and a screw, and a fireproof plate 13 is arranged in an inner cavity of the protective shell 6, so that the first valve body 11 is protected conveniently, and the fireproof capacity is improved; the outer diameters of the top end and the bottom end of the first valve body 11 are larger than the outer diameter of the center of the first valve body 11, the first valve body 11 is connected with the movable sleeve 8 in a sliding mode, the inner diameter of the movable sleeve 8 is smaller than the outer diameter of the top end of the first valve body 11, the movable protective shell 6 is convenient to move, and the first valve body 1 is prevented from being mounted and dismounted; the second protection pad 24 is of an arc-shaped structure, a layer of rubber pad 26 is arranged inside the second protection pad 24, the bottom of the rubber pad 26 is connected with a fireproof layer 27 in a composite mode, the bottom of the fireproof layer 27 is connected with an anti-freezing layer 28 in a composite mode, the thicknesses of the rubber pad 26, the fireproof layer 27 and the anti-freezing layer 28 are the same, and the fireproof layer 27 is made of glass fiber materials, so that the fireproof and anti-freezing performance can be improved; the rotating block 21 is a cylinder, the diameter of the rotating groove 20 is smaller than that of the rotating block 21, the fireproof pad 17 is made of asbestos, the surfaces of two ends of the second valve body 23 are provided with thread grooves 4, and the inner side of the connecting frame 25 is provided with threads, so that the rotating stability of the ball body is ensured, and the abrasion condition is reduced; the second connecting bolt 18 is connected with the connecting groove 19 and the connecting frame 25 through threads, and a plurality of connecting holes corresponding to the connecting groove 19 are formed in one side of the connecting frame 25, so that the side valve body 3 is convenient to install; the opening is seted up in spheroid 22 central authorities, and the opening internal diameter is less than fire prevention pad 17 one end internal diameter, the external diameter of second valve body 23 both ends is less than link 25 internal diameters, can convenient to detach, clears up the inside.

When the side valve body 3 is used, in the installation process, the connecting frame 25 is firstly covered on the surfaces of two ends of the second valve body 23, then the connecting frame 25 is screwed, the threads on the inner side of the connecting frame 25 are connected with the thread grooves 4 on the surface of the second valve body 23, in the screwing process, the connecting holes on the surface of the connecting frame 25 correspond to the connecting grooves 19, then the second connecting bolt 18 is screwed to connect the second valve body 23 and the connecting frame 25, the installation of the two side valve bodies 3 is completed, in the use process, the filter screen 2 on the inner side of the side valve body 3 can play a role in filtering, a conveyed medium can be conveniently filtered, the quality is improved, the side valve bodies 3 are convenient to disassemble, and then the screen groove 1 can be conveniently installed and replaced to ensure the filtering effect of the filter screen 2;

the first valve body 11 is connected with the convex ring on the surface of the second valve body 23, when the first valve body 11 is installed, the fixture block 15 at the bottom of the first valve body 11 corresponds to the clamping groove on the surface of the second valve body 23, the fixture block is inserted into the clamping groove, then the first valve body 11 and the second valve body 23 are connected through the first connecting bolt 14, the valve rod 9 can be connected with a projection at the top of the mandril 12 through a groove at the bottom, the first protection pad 7 can play a role in protection, the fracture of the joint of the valve rod 9 and the ejector rod 12 is avoided, and the bottom of the protective shell 6 can be connected with the second valve body 23 through the connecting plate 16 and the screw by sliding the protective shell 6 through the moving sleeve 8, so that the joint of the second valve body 23 and the first valve body 11 can be ensured, the bottom end of the valve rod 9 and the ejector rod 12 can be protected, the volume change of the valve rod 9 caused by temperature change can be coped with through the filling material 10, and the valve rod 9 is prevented from being damaged;

can play the fire prevention effect to the second valve body 23 top through the inside PLASTIC LAMINATED 13 of protective housing 6, and spheroid 22 and second valve body 23 can play the fire prevention effect through the inside flame retardant coating 27 of fire prevention pad 17 and second protection pad 24, avoid meetting the intensity of a fire and explode and split, the frost crack of spheroid 22 can be avoided to the inside anti-icing coating 28 of second protection pad 24, rubber pad 26 can be at certain buffering effect when spheroid 22 is heated the inflation, avoid spheroid 22 extrusion second valve body 23, lead to second valve body 23 to split.

The application has the advantages that:

1. the fireproof effect can be achieved by matching the fireproof layer in the second protection pad with the fireproof pad, the second valve body can be prevented from being cracked when the second valve body is cracked in case of fire, the potential safety hazard is reduced, and the second valve body can be prevented from being cracked due to the fact that the second valve body is extruded by thermal expansion of the ball body through the rubber pad in the second protection pad;

2. the side valve body and the second valve body are convenient to connect through the connecting frame, the second connecting bolt, the thread groove and the connecting groove, the filter screen is convenient to mount through the clamping groove in the side valve body, a conveying medium is filtered, and the side valve body is convenient to disassemble and take out the filter screen for cleaning;

3. through first connecting bolt and the first valve body of fixture block easy to assemble, be convenient for connect valve rod and spheroid through the ejector pin, can protect valve rod and ejector pin junction through first protection pad, not only can avoid the fracture, the cooperation stopping can reduce the wearing and tearing of valve rod and ejector pin, can play the first valve body of protection and second valve body junction through removing cover, connecting plate and removal cover, guarantees the stability of connecting.

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 ball valve that fire behavior is good which characterized in that: comprises a second valve body (23), a side valve body (3), a connecting frame (25) and a first valve body (11);

a sphere (22) is arranged in the inner cavity of the second valve body (23), valve seats (5) are arranged on two sides of the inner cavity, the valve seats (5) are fixedly connected with the inner wall of the second valve body (23), second protection pads (24) are arranged on two sides of the top and the bottom of the inner cavity of the second valve body (23), the second protection pads (24) are positioned between the sphere (22) and the inner wall of the second valve body (23), a layer of fireproof pad (17) is bonded on the surface of the valve seats (5), a rotating groove (20) is formed in the bottom of the second valve body (23), a rotating block (21) is arranged in the rotating groove (20), and the top of the rotating block (21) is fixedly connected with the sphere (22);

side valve body (3) one side rigid coupling link (25), spread groove (19) are all seted up to second valve body (23) both sides, link (25) one side is equipped with second connecting bolt (18), second connecting bolt (18) run through in link (25) extend to spread groove (19), side valve body (3) inner chamber is equipped with filter screen (2), filter screen (2) card is in wire groove (1), wire groove (1) rigid coupling side valve body (3) inner wall.

2. The ball valve with good fire resistance of claim 1, wherein: second valve body (23) top is equipped with the bulge loop, first valve body (11) bottom meets with the bulge loop, first valve body (11) bottom both sides all are equipped with first connecting bolt (14), first connecting bolt (14) bottom runs through first protection pad (7) and connects second valve body (23), second valve body (23) top is equipped with a plurality of draw-in grooves, and draw-in groove inside is equipped with fixture block (15), fixture block (15) top rigid coupling first protection pad (7).

3. The ball valve with good fire resistance of claim 2, wherein: first connecting bolt (14) are through threaded connection first valve body (11) and second valve body (23), second valve body (23) surface draw-in groove is cyclic annular array distribution, fixture block (15) are the cylinder, and fixture block (15) diameter is less than second valve body (23) surface draw-in groove diameter.

4. The ball valve with good fire resistance of claim 1, wherein: first valve body (11) inner chamber is equipped with valve rod (9), valve rod (9) bottom is connected with ejector pin (12), valve rod (9) and ejector pin (12) are equipped with recess and lug respectively in one side in opposite directions, second valve body (23) rigid coupling spheroid (22) are run through to ejector pin (12) bottom, ejector pin (12) and first valve body (11) are connected and are equipped with the first protection pad of round (7), first protection pad (7) bonding first valve body (11) inner wall, be equipped with stopping (10) in first valve body (11) top annular filling groove.

5. The ball valve with good fire resistance of claim 1, wherein: first valve body (11) surface cover has removal cover (8), remove cover (8) surface rigid coupling protective housing (6), connecting plate (16) and screw connection second valve body (23) top are passed through to protective housing (6) bottom, protective housing (6) inner chamber is equipped with PLASTIC LAMINATED (13).

6. The ball valve with good fire resistance of claim 1, wherein: first valve body (11) top and bottom external diameter all are greater than first valve body (11) central authorities external diameter, first valve body (11) and removal cover (8) sliding connection, removal cover (8) internal diameter is less than first valve body (11) top external diameter.

7. The ball valve with good fire resistance of claim 1, wherein: second protection pad (24) are the arc structure, second protection pad (24) inside is equipped with one deck rubber pad (26), rubber pad (26) bottom composite connection one deck flame retardant coating (27), flame retardant coating (27) bottom composite connection anti-freeze layer (28), rubber pad (26), flame retardant coating (27) and anti-freeze layer (28) thickness are the same, flame retardant coating (27) adopt the glass fiber material to constitute.

8. The ball valve with good fire resistance of claim 1, wherein: the fire-proof valve is characterized in that the rotating block (21) is a cylinder, the diameter of the rotating groove (20) is smaller than that of the rotating block (21), the fire-proof pad (17) is made of asbestos, thread grooves (4) are formed in the surfaces of the two ends of the second valve body (23), and threads are formed in the inner side of the connecting frame (25).

9. The ball valve with good fire resistance of claim 1, wherein: the second connecting bolt (18) is connected with the connecting groove (19) and the connecting frame (25) through threads, and a plurality of connecting holes corresponding to the connecting groove (19) are formed in one side of the connecting frame (25).

10. The ball valve with good fire resistance of claim 1, wherein: the opening is opened at spheroid (22) central authorities, and the opening internal diameter is less than fire prevention pad (17) one end internal diameter, second valve body (23) both ends external diameter is less than link (25) internal diameter.