CN210770290U

CN210770290U - Multifunctional butterfly valve

Info

Publication number: CN210770290U
Application number: CN201921650486.8U
Authority: CN
Inventors: 庄潇; 庄建; 戴利敏; 洪文清
Original assignee: Zhejiang Ruibang Control Valve Co ltd
Current assignee: Zhejiang Ruibang Control Valve Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-16
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a multifunctional butterfly valve, which comprises a valve body, a butterfly plate and a valve rod, wherein a flexible sealing layer of the valve cavity is integrally arranged on the inner wall surface of the valve cavity, a medium inflow pipe is integrally arranged at the left end of the valve body, a flashboard slot and a filter screen slot are sequentially arranged on the medium inflow pipe from left to right, a positioning lug is integrally arranged at a position right above the flashboard slot, the positioning lug is aligned with the flashboard slot and is provided with a flashboard movable cavity, a flashboard is embedded in the flashboard movable cavity, and a hand-held rod is welded on the upper end surface of; the lamp holder fixing plate is integrally arranged on the right end face of the positioning lug, the lighting device is detachably arranged on the lamp holder fixing plate and comprises a lamp holder, a stainless steel flexible pipe, an LED lamp and a button switch used for controlling the LED lamp to be turned on and turned off. Above-mentioned technical scheme, structural design is reasonable, simple structure, the function is many, sealing performance is good, maintenance operation is easy, convenient to use, have illumination function and the practicality is good.

Description

Multifunctional butterfly valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to multifunctional butterfly valve.

Background

The butterfly valve is a valve which is opened and closed by rotating a valve rod and simultaneously driving a butterfly plate to rotate.

At present, the butterfly valve seal structure is mostly the valve body and inlays the rubber disk seat, and the butterfly plate adopts stainless steel material, and the valve rod passes the stainless steel butterfly plate. When the butterfly valve is used, the valve rod drives the butterfly plate to rotate, and the rubber valve seat embedded in the valve body is extruded to play a sealing role. The sealing structure of the butterfly valve has the following defects: the valve seat is embedded on the valve body, the structure is not firm, a gap exists between the valve seat and the valve body, the valve seat is easy to deform in the installation and closing processes, leakage is caused, and the defect of increasing opening and closing torque is overcome;

in addition, current butterfly valve structural design is unreasonable, and the structure is complicated, and the function is single, does not have the illumination function, and clearance impurity or change filter screen often are unclear in night or the dark environment of light, need dismantle whole butterfly valve from the pipeline in addition, and it is very inconvenient to use, and the maintenance operation is troublesome, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a structural design is reasonable, simple structure, the function is many, sealing performance is good, maintenance operation is easy, convenient to use, have the multi-functional butterfly valve that illumination function and practicality are good.

In order to achieve the above purpose, the utility model provides a following technical scheme: a multifunctional butterfly valve comprises a valve body, a butterfly plate and a valve rod, wherein a valve cavity is arranged in the valve body, the butterfly plate is positioned in the valve cavity, a valve rod moving hole is vertically formed in the upper end of the valve body, the upper end of the valve rod is positioned outside the valve body, and the lower end of the valve rod penetrates through the valve rod moving hole and is fixedly connected with the upper end of the butterfly plate; a flexible sealing layer of the valve cavity is integrally arranged on the inner wall surface of the valve cavity, and the thickness of the flexible sealing layer of the valve cavity is 1-3 mm; a medium inflow pipe is integrally arranged at the left end of the valve body, and a fixed flange is integrally arranged at the left end of the medium inflow pipe; the medium inflow pipe is sequentially provided with a flashboard slot and a filter screen slot from left to right, a positioning lug is integrally arranged at the position of the medium inflow pipe right above the flashboard slot, a flashboard movable cavity is arranged at the position of the positioning lug aligned with the flashboard slot, a flashboard is embedded in the flashboard movable cavity, and a hand-held rod is welded on the upper end face of the flashboard; the integrative lamp stand fixed plate that is provided with on the right-hand member face of location lug, can dismantle on the lamp stand fixed plate and be provided with lighting device, lighting device includes lamp stand, stainless steel flexible hose, LED lamp and is used for control the button switch that the LED lamp was opened and close, the lamp stand can be dismantled with the lamp stand fixed plate and be connected, stainless steel flexible hose one end and lamp stand welded fastening, the stainless steel flexible hose other end and LED lamp threaded connection, button switch can dismantle with the preceding terminal surface of lamp stand and be connected.

By adopting the technical scheme, the outer surface of the butterfly plate directly passes through the flexible sealing layer of the valve cavity to form sealing with the inner wall surface of the valve cavity, a valve seat is not needed, no gap is formed, the structure is simple, and the sealing performance is good; in addition, the stainless steel snakeskin tube of the lighting device can be bent at will, the operation of adjusting the lighting angle is convenient, the lighting effect is good, and the use is very convenient.

The utility model discloses further set up to: the lamp holder and the lamp holder fixing plate are fixedly connected through screws; the button switch is fixedly connected with the front end surface of the lamp holder through a screw; the diameter of the stainless steel snakeskin tube is 4-10mm, and the length of the stainless steel snakeskin tube is 5-20 cm. Through the arrangement, all the parts are easy to assemble and disassemble, reliable in connection and convenient to use.

The utility model discloses further set up to: the valve body is characterized in that a medium outflow pipe is integrally arranged at the right end of the valve body, a threaded joint is integrally arranged at the right end of the medium outflow pipe, and a stainless steel elastic gasket is sleeved on the threaded joint. Through this setting, screwed joint can external extension pipe, and application scope is wide, installs and removes more easily, and the practicality is better.

The utility model discloses further set up to: the valve body is integrally provided with a raised anti-counterfeiting information layer, and raised anti-counterfeiting characters, anti-counterfeiting patterns or a combination thereof are arranged on the anti-counterfeiting information layer. Through this setting, anti-fake information layer sets up with valve body is integrative, is difficult to counterfeit, and anti-counterfeit performance is good.

The utility model discloses further set up to: the embedded impurity filter screen that is provided with of filter screen slot, the fixed flexible sealing layer of filter screen that is provided with on the impurity filter screen surface, the filter screen passes through the flexible sealing layer of filter screen and constitutes sealedly with the slot mouth position of filter screen slot.

The utility model discloses still further set up to: the medium inflow pipe is provided with an annular groove outside the filter screen slot opening, an O-shaped sealing ring is arranged in the annular groove, and the sealing cover plate and the outer surface of the medium inflow pipe form sealing through the O-shaped sealing ring.

The utility model discloses still further set up to: the outer surface of the gate plate is integrally provided with a layer of gate plate flexible sealing layer, and the gate plate is sealed with the inner wall surface of the gate plate insertion groove through the gate plate flexible sealing layer.

The utility model discloses still further set up to: the medium inflow pipe is a rectangular pipe, a medium through hole is formed in the middle of the medium inflow pipe, and the medium through hole is a circular hole.

The utility model discloses still further set up to: the valve cavity flexible sealing layer, the filter screen flexible sealing layer, the O-shaped sealing ring and the gate plate flexible sealing layer are all made of polytetrafluoroethylene materials or rubber materials.

The utility model has the advantages that: compared with the prior art, the structure of the butterfly plate is more reasonable, the outer surface of the butterfly plate directly passes through the flexible sealing layer of the valve cavity to form sealing with the inner wall surface of the valve cavity, a valve seat is not needed, no gap exists, the structure is simple, and the sealing performance is good; the medium inflow is cut off through the flashboard, then the impurities can be discharged by opening the sealing nut, and the impurities on the filter screen can be cleaned or the filter screen can be replaced by opening the sealing cover plate without detaching the butterfly valve; the stainless steel snakeskin tube of the lighting device can be bent at will, the operation of adjusting the lighting angle is convenient, the lighting effect is good, and the use is very convenient; the anti-counterfeiting information layer and the valve body are integrally arranged, so that counterfeiting is difficult to realize, and the anti-counterfeiting performance is good; the whole multifunctional butterfly valve has the advantages of reasonable structural design, simple structure, multiple functions, good sealing performance, easy maintenance and operation, convenient use, lighting function and good practicability.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of section I of FIG. 1;

fig. 3 is an enlarged view of section II in fig. 1.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2 and 3, the utility model discloses a multifunctional butterfly valve, which comprises a valve body 1, a butterfly plate 2 and a valve rod 3, wherein a valve cavity 11 is arranged in the valve body 1, the butterfly plate 2 is positioned in the valve cavity 11, a valve rod movable hole 12 is vertically arranged at the upper end of the valve body 1, the upper end of the valve rod 3 is positioned outside the valve body 1, and the lower end of the valve rod 3 is fixedly connected with the upper end of the butterfly plate 2 after passing through the valve rod movable hole 11; a valve cavity flexible sealing layer 4 is integrally arranged on the inner wall surface of the valve cavity 11, and the thickness of the valve cavity flexible sealing layer 4 is 1-3 mm; a medium inflow pipe 13 is integrally arranged at the left end of the valve body 1, and a fixed flange 131 is integrally arranged at the left end of the medium inflow pipe 13; the medium inflow pipe 13 is sequentially provided with a flashboard slot 132 and a filter screen slot 133 from left to right, a positioning bump 134 is integrally arranged at a position, right above the flashboard slot 132, of the medium inflow pipe 13, a flashboard movable cavity 1341 is arranged at a position, aligned with the flashboard slot 132, of the positioning bump 134, a flashboard 5 is embedded in the flashboard movable cavity 1341, and a hand-held rod 6 is welded on the upper end face of the flashboard 5; a lamp holder fixing plate 1342 is integrally arranged on the right end face of the positioning bump 134, the lighting device 15 is detachably arranged on the lamp holder fixing plate 1342, the lighting device 15 comprises a lamp holder 151, a stainless steel flexible pipe 152, an LED lamp 153 and a button switch 154 used for controlling the opening and closing of the LED lamp 153, the lamp holder 151 is detachably connected with the lamp holder fixing plate 1342, one end of the stainless steel flexible pipe 152 is fixedly welded with the lamp holder 151, the other end of the stainless steel flexible pipe 152 is in threaded connection with the LED lamp 153, and the button switch 154 is detachably connected with the front end face of the lamp holder 151.

Preferably, the lamp holder 151 and the lamp holder fixing plate 1342 are fixed by screws; the button switch 154 is fixedly connected with the front end surface of the lamp holder 151 through a screw; the diameter of the stainless steel flexible pipe 152 is 4-10mm, and the length of the stainless steel flexible pipe 152 is 5-20 cm.

The right end of the valve body 1 is integrally provided with a medium outlet pipe 16, the right end of the medium outlet pipe 16 is integrally provided with a threaded joint 161, and the threaded joint 161 is sleeved with a stainless steel elastic gasket 17.

The valve body 1 is integrally provided with a raised anti-counterfeiting information layer 18, and raised anti-counterfeiting characters, anti-counterfeiting patterns or a combination thereof are arranged on the anti-counterfeiting information layer 18.

The medium inflow pipe 13 is detachably provided with a sealing cover plate 7 at a position right above the filter screen slot 133; the medium inflow pipe 13 is provided with an impurity collecting groove 135 at the left lower end of the filter screen slot 133, the impurity collecting groove 135 is a through groove, the lower notch of the impurity collecting groove 135 is provided with an impurity discharge pipe 8, the upper end of the impurity discharge pipe 8 and the outer surface of the medium inflow pipe 13 are integrally arranged, and the lower end of the impurity discharge pipe 8 is connected with a sealing nut 9 through threads.

Preferably, the shutter slot 132 and the filter screen slot 133 are both open upward and communicated with the outer surface of the medium inflow pipe 13, and the bottoms of the shutter slot 132 and the filter screen slot 133 are both not communicated with the outer surface of the medium inflow pipe 13; the medium inflow pipe 13 is provided with a plurality of connection screw holes at the edge of the notch of the filter screen slot 133, the connection screw holes are blind holes, and the sealing cover plate 7 is fixed with the aligned connection screw holes through the existing screws in a threaded connection manner. The upper end of the positioning bump 134 is provided with a flashboard limiting cover plate for limiting the flashboard 5, and the flashboard limiting cover plate is fixedly connected with the upper end face of the positioning bump 134 through a screw; and a plurality of sealing rings are arranged between the valve rod 3 and the inner wall surface of the valve rod movable hole 12.

For making the utility model discloses the structure sets up more rationally, as preferred, this embodiment the embedded impurity filter screen 10 that is provided with of filter screen slot 133, the fixed flexible sealing layer 101 of filter screen that is provided with on the outer surface of impurity filter screen 10, filter screen 10 constitutes sealedly through the slot mouth position of the flexible sealing layer 101 of filter screen and filter screen slot 133.

An annular groove 136 is formed outside the opening of the filter screen insertion groove of the medium inflow pipe 13, an O-shaped sealing ring 14 is arranged in the annular groove 136, and the sealing cover plate 7 and the outer surface of the medium inflow pipe 13 form sealing through the O-shaped sealing ring 14.

A layer of shutter flexible sealing layer 51 is integrally arranged on the outer surface of the shutter 5, and the shutter 5 is sealed with the inner wall surface of the shutter insertion groove 132 through the shutter flexible sealing layer 51.

The medium inflow pipe 13 is a rectangular pipe, a medium through hole 137 is formed in the middle of the medium inflow pipe 13, and the medium through hole 137 is a circular hole.

The valve cavity flexible sealing layer 4, the filter screen flexible sealing layer 101, the O-shaped sealing ring 14 and the gate plate flexible sealing layer 51 are all made of polytetrafluoroethylene materials or rubber materials.

In practical application, the outer surface of the butterfly plate directly passes through the flexible sealing layer of the valve cavity to form sealing with the inner wall surface of the valve cavity, a valve seat is not needed, no gap exists, the structure is simple, and the sealing performance is good; the medium inflow is cut off through the flashboard, then the impurities can be discharged by opening the sealing nut, and the impurities on the filter screen can be cleaned or the filter screen can be replaced by opening the sealing cover plate without detaching the butterfly valve; the stainless steel snakeskin tube of the lighting device can be bent at will, the operation of adjusting the lighting angle is convenient, the lighting effect is good, and the use is very convenient; the anti-counterfeiting information layer and the valve body are integrally arranged, so that counterfeiting is difficult to realize, and the anti-counterfeiting performance is good; the whole multifunctional butterfly valve has the advantages of reasonable structural design, simple structure, multiple functions, good sealing performance, easy maintenance and operation, convenient use, lighting function and good practicability.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. A multifunctional butterfly valve comprises a valve body (1), a butterfly plate (2) and a valve rod (3), wherein a valve cavity (11) is arranged in the valve body (1), the butterfly plate (2) is located in the valve cavity (11), a valve rod movable hole (12) is vertically arranged at the upper end of the valve body (1), the upper end of the valve rod (3) is located outside the valve body (1), and the lower end of the valve rod (3) penetrates through the valve rod movable hole (12) and then is fixedly connected with the upper end of the butterfly plate (2); the method is characterized in that: a valve cavity flexible sealing layer (4) is integrally arranged on the inner wall surface of the valve cavity (11), and the thickness of the valve cavity flexible sealing layer (4) is 1-3 mm; a medium inflow pipe (13) is integrally arranged at the left end of the valve body (1), and a fixed flange (131) is integrally arranged at the left end of the medium inflow pipe (13); the medium inflow pipe (13) is sequentially provided with a flashboard slot (132) and a filter screen slot (133) from left to right, a positioning bump (134) is integrally arranged at a position, right above the flashboard slot (132), of the medium inflow pipe (13), a flashboard movable cavity (1341) is arranged at a position, aligned to the flashboard slot (132), of the positioning bump (134), a flashboard (5) is embedded in the flashboard movable cavity (1341), and a lifting rod (6) is welded on the upper end face of the flashboard (5); the LED lamp is characterized in that a lamp holder fixing plate (1342) is integrally arranged on the right end face of the positioning bump (134), an illuminating device (15) is detachably arranged on the lamp holder fixing plate (1342), the illuminating device (15) comprises a lamp holder (151), a stainless steel flexible hose (152), an LED lamp (153) and a button switch (154) used for controlling the LED lamp (153) to be opened and closed, the lamp holder (151) is detachably connected with the lamp holder fixing plate (1342), one end of the stainless steel flexible hose (152) is fixedly welded with the lamp holder (151), the other end of the stainless steel flexible hose (152) is connected with the LED lamp (153) in a threaded mode, and the button switch (154) is detachably connected with the front end face of the lamp holder (151).

2. The multi-functional butterfly valve of claim 1, wherein: the lamp holder (151) is fixedly connected with the lamp holder fixing plate (1342) through screws; the button switch (154) is fixedly connected with the front end surface of the lamp holder (151) through a screw; the diameter of the stainless steel snakeskin tube (152) is 4-10mm, and the length of the stainless steel snakeskin tube (152) is 5-20 cm.

3. The multi-functional butterfly valve of claim 2, wherein: the medium outlet valve is characterized in that a medium outlet pipe (16) is integrally arranged at the right end of the valve body (1), a threaded joint (161) is integrally arranged at the right end of the medium outlet pipe (16), and a stainless steel elastic gasket (17) is sleeved on the threaded joint (161).

4. The multi-functional butterfly valve of claim 1, wherein: the valve body (1) is integrally provided with a raised anti-counterfeiting information layer (18), and raised anti-counterfeiting characters, anti-counterfeiting patterns or a combination thereof are arranged on the anti-counterfeiting information layer (18).

5. The multi-functional butterfly valve of claim 1, wherein: the medium inflow pipe (13) is detachably provided with a sealing cover plate (7) at a position right above the filter screen slot (133); the medium inflow pipe (13) is located filter screen slot (133) left side lower extreme position and is provided with impurity collecting vat (135), impurity collecting vat (135) is logical groove, the lower notch of impurity collecting vat (135) is provided with impurity discharge pipe (8), the upper end of impurity discharge pipe (8) sets up with the surface an organic whole of medium inflow pipe (13), and the lower extreme threaded connection of impurity discharge pipe (8) has sealing nut (9).

6. The multi-functional butterfly valve of claim 5, wherein: the embedded impurity filter screen (10) that is provided with of filter screen slot (133), the fixed flexible sealing layer of filter screen (101) that is provided with on impurity filter screen (10) surface, filter screen (10) constitute sealedly through the slot mouth position of the flexible sealing layer of filter screen (101) and filter screen slot (133).

7. The multi-functional butterfly valve of claim 6, wherein: an annular groove (136) is formed in the position, outside the filter screen inserting groove opening, of the medium inflow pipe (13), an O-shaped sealing ring (14) is arranged in the annular groove (136), and the sealing cover plate (7) and the outer surface of the medium inflow pipe (13) form sealing through the O-shaped sealing ring (14).

8. The multi-functional butterfly valve of claim 7, wherein: the outer surface of the gate plate (5) is integrally provided with a layer of gate plate flexible sealing layer (51), and the gate plate (5) is sealed with the inner wall surface of the gate plate insertion groove (132) through the gate plate flexible sealing layer (51).