CN210240584U - Butterfly valve - Google Patents

Butterfly valve Download PDF

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Publication number
CN210240584U
CN210240584U CN201920896844.7U CN201920896844U CN210240584U CN 210240584 U CN210240584 U CN 210240584U CN 201920896844 U CN201920896844 U CN 201920896844U CN 210240584 U CN210240584 U CN 210240584U
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CN
China
Prior art keywords
valve
valve body
helical gear
worm
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920896844.7U
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Chinese (zh)
Inventor
Rongkun Hong
洪荣坤
Yongjin Hong
洪永金
haizhou Ge
葛海州
Jie Liu
刘杰
Zhenwei Xia
夏振伟
Zhengfa Zhang
张正发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Tanggu No1 Valve Co ltd
Original Assignee
Tianjin Tanggu No1 Valve Co ltd
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Application filed by Tianjin Tanggu No1 Valve Co ltd filed Critical Tianjin Tanggu No1 Valve Co ltd
Priority to CN201920896844.7U priority Critical patent/CN210240584U/en
Application granted granted Critical
Publication of CN210240584U publication Critical patent/CN210240584U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of the valve, especially, a butterfly valve, it is hard to open and shut the operation to current butterfly valve, influence the problem of use, the following scheme is proposed at present, it includes the valve body, the both sides of valve body all are equipped with the connecting pipe, be equipped with spherical chamber on the valve body, the spherical intracavity is equipped with the valve clack, the top side of valve body is seted up flutedly, the rotation hole has been seted up on the bottom inner wall of recess, rotate downthehole rotation and install the pivot, the bottom of pivot welds with the top side of valve clack mutually, the top of pivot extends to in the recess and welds first helical gear, the second helical gear is installed to the recess internal rotation, and the second helical gear meshes with first helical gear mutually, the front side welding of second helical gear has the worm wheel. The utility model relates to a rationally, drive valve clack that can be very laborsaving is at the valve body internal rotation, and the operation is opened and shut and closed to the valve body to the convenience, and convenient operation does benefit to the use.

Description

Butterfly valve
Technical Field
The utility model relates to the technical field of valves, especially, relate to a butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. For example, the chinese patent with the granted publication number CN202597728U discloses a butterfly valve, which comprises a valve body, a butterfly plate body, a ceramic body sleeve, a valve rod, a worm gear box, a ceramic valve seat, etc., wherein the lower end of the worm gear box is provided with a bracket, the bracket is fixedly connected with the worm gear box through a bolt (a), the lower end of the bracket is provided with the valve body, the valve body is fixedly connected with the bracket through a bolt (B), the valve rod is arranged at the central position in the valve body and the bracket, the outer ring side of the valve rod in the bracket is provided with a packing gland, the lower end of the packing gland is provided with a packing box, the ceramic body sleeve is additionally arranged on the fluid overflowing surface of the valve cavity in the valve body, the ceramic valve seat and the butterfly plate body are arranged in the valve cavity, the butterfly plate body is fixedly connected with the valve rod through the cylindrical pin, the ceramic valve seat is fixedly arranged on the butterfly plate body through the screw, the lower bearing is arranged between the bottom of the valve body and the bottom of the valve rod, and the lower end surface of the valve rod is provided with the thrust bearing. The design can prolong the service life of the valve and improve the safety and stability of the running system of the corollary equipment.
However, the existing butterfly valve is difficult to open and close and is not beneficial to use, so that the butterfly valve is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior butterfly valve that the opening and closing operation is laborious and the use is influenced, and providing the butterfly valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a butterfly valve comprises a valve body, wherein connecting pipes are arranged on two sides of the valve body, a spherical cavity is arranged on the valve body, a valve clack is arranged in the spherical cavity, a groove is formed in the top side of the valve body, a rotating hole is formed in the inner wall of the bottom of the groove, a rotating shaft is rotatably arranged in the rotating hole, the bottom end of the rotating shaft is welded with the top side of the valve clack, the top end of the rotating shaft extends into the groove and is welded with a first helical gear, a second helical gear is rotatably arranged in the groove, and the second helical gear is meshed with the;
the front side of the second helical gear is welded with a worm wheel, a vertically arranged worm is rotatably installed in the groove, the worm wheel is meshed with the worm, the top end of the worm extends to the upper portion of the valve body and is welded with a valve rod, annular grooves are formed in two sides of the valve clack, a sealing ring is installed in each annular groove, and the outer side of each sealing ring is movably and hermetically connected with the inner wall of the spherical cavity.
Preferably, the gasket is movably contacted with one side of each sealing ring far away from each other, the bolt is installed on each gasket, the bolt is in threaded connection with the valve clack, and the gasket is used for limiting the position of each sealing ring.
Preferably, the outer side of the worm is rotatably sleeved with a sealing gasket, the bottom side of the sealing gasket is fixedly bonded with the top side of the valve body, and the sealing gasket plays a dustproof role.
Preferably, the outer side of the rotating shaft is fixedly sleeved with an inner ring of a first bearing, and an outer ring of the first bearing is fixedly sleeved on the inner wall of the rotating hole, so that the rotating shaft is conveniently and rotatably arranged in the rotating hole.
Preferably, the outer side of the worm is fixedly sleeved with an inner ring of a second bearing, and an outer ring of the second bearing is fixedly connected to the inner wall of the groove, so that the worm is conveniently and rotatably arranged in the groove.
In the utility model, because the valve body and the connecting pipes are arranged, the water source enters the left space of the spherical cavity through the water outlet pipe by respectively connecting the two connecting pipes to the water outlet pipe and the water inlet pipe;
due to the arrangement of the second bevel gear, the worm wheel, the worm and the valve rod, a water source cannot enter the water inlet pipe by utilizing the blocking effect of the valve clack, the worm wheel is driven to rotate in a labor-saving manner by rotating the valve rod, and the worm wheel drives the first bevel gear to rotate through the second bevel gear;
because the valve clack, the rotating shaft and the first helical gear are arranged, the first helical gear drives the valve clack to rotate through the rotating shaft, the sealing ring is driven by the valve clack to rotate in the spherical cavity, and when the valve clack gradually rotates to be positioned on the same vertical plane with the connecting pipe, the left and right side spaces of the spherical cavity start to be communicated;
because the sealing ring, the gasket and the annular groove are arranged, a water source flows into the water inlet pipe through the spherical cavity, so that a water supply effect is realized, when the valve rod is rotated in the opposite direction, the valve clack is gradually rotated and reset, the left and right spaces of the spherical cavity can be separated by the valve clack, the water source cannot pass through the spherical cavity, and the valve body is in a closed state again;
the utility model relates to a rationally, drive valve clack that can be very laborsaving is at the valve body internal rotation, and the operation is opened and shut and closed to the valve body to the convenience, and convenient operation does benefit to the use.
Drawings
Fig. 1 is a schematic structural diagram of a butterfly valve according to the present invention;
fig. 2 is a schematic structural diagram of a portion a of a butterfly valve according to the present invention;
fig. 3 is a schematic structural diagram of a portion B of the butterfly valve according to the present invention.
In the figure: the valve comprises a valve body 1, a spherical cavity 2, a groove 3, a rotating hole 4, a valve clack 5, a rotating shaft 6, a first bevel gear 7, a second bevel gear 8, a worm gear 9, a worm 10, a valve rod 11, an annular groove 12, a sealing ring 13, a gasket 14, a bolt 15 and a sealing gasket 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a butterfly valve comprises a valve body 1, wherein connecting pipes 17 are arranged on two sides of the valve body 1, a spherical cavity 2 is arranged on the valve body 1, a valve clack 5 is arranged in the spherical cavity 2, a groove 3 is formed in the top side of the valve body 1, a rotating hole 4 is formed in the inner wall of the bottom of the groove 3, a rotating shaft 6 is rotatably installed in the rotating hole 4, the bottom end of the rotating shaft 6 is welded with the top side of the valve clack 5, the top end of the rotating shaft 6 extends into the groove 3 and is welded with a first helical gear 7, a second helical gear 8 is rotatably installed in the groove 3, and the second helical;
wherein, the front side of second helical gear 8 is welded with worm wheel 9, and the worm 10 of vertical setting is installed to the recess 3 internal rotation, and worm wheel 9 meshes with worm 10 mutually, and the top of worm 10 extends to the top of valve body 1 and welds and have valve rod 11, and annular groove 12 has all been seted up to the both sides of valve clack 5, installs sealing washer 13 in the annular groove 12, and the outside of sealing washer 13 is connected with spherical cavity 2's inner wall activity sealing.
The utility model discloses in, the equal movable contact in one side that two sealing washer 13 kept away from each other has gasket 14, installs bolt 15 on the gasket 14, and bolt 15 threaded connection is on valve clack 5, and gasket 14 is used for limiting the position of sealing washer 13.
The utility model discloses in, the outside of worm 10 is rotated the cover and is equipped with sealed 16, and sealed 16 bottom sides and the fixed bonding in top side of valve body 1 of filling up, sealed 16 plays dustproof effect.
The utility model discloses in, the fixed cover in the outside of pivot 6 is equipped with the inner circle of first bearing, and the fixed cover in outer lane of first bearing is established on the inner wall that rotates hole 4, and the convenience rotates pivot 6 and sets up in rotating hole 4.
The utility model discloses in, the fixed cover in the outside of worm 10 is equipped with the inner circle of second bearing, and the outer lane fixed connection of second bearing is on recess 3's inner wall, and the convenience rotates worm 10 to set up in recess 3.
In the utility model, when in use, two connecting pipes 17 are respectively connected on the water outlet pipe and the water inlet pipe, the water source enters into the left space of the spherical cavity 2 through the water outlet pipe, the water source can not enter into the water inlet pipe due to the separation effect of the valve clack 5, at the moment, the valve body 1 is in a closed state, the valve rod 11 is rotated, the valve rod 11 can drive the worm wheel 9 to rotate in a labor-saving way through the worm 10, the worm wheel 9 drives the first helical gear 7 to rotate through the second helical gear 8, the first helical gear 7 drives the valve clack 5 to rotate through the rotating shaft 6, at the moment, the valve clack 5 drives the sealing ring 13 to rotate in the spherical cavity 2, when the valve clack 5 rotates gradually to be in the same vertical plane with the connecting pipes 17, the left and right spaces of the spherical cavity 2 start to be communicated, the water source flows into the, the valve clack 5 can separate the left and right spaces of the spherical cavity 2, at the moment, the water source cannot pass through the spherical cavity 2, and the valve body 1 is in a closed state again.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A butterfly valve comprises a valve body (1), wherein connecting pipes (17) are arranged on two sides of the valve body (1), a spherical cavity (2) is arranged on the valve body (1), and a valve clack (5) is arranged in the spherical cavity (2), the butterfly valve is characterized in that a groove (3) is formed in the top side of the valve body (1), a rotating hole (4) is formed in the inner wall of the bottom of the groove (3), a rotating shaft (6) is rotatably installed in the rotating hole (4), the bottom end of the rotating shaft (6) is welded with the top side of the valve clack (5), the top end of the rotating shaft (6) extends into the groove (3) and is welded with a first helical gear (7), a second helical gear (8) is rotatably installed in the groove (3), and the second helical gear (8) is meshed with the;
the front side of second helical gear (8) has welded worm wheel (9), and worm (10) of vertical setting are installed to recess (3) internal rotation, and worm wheel (9) mesh mutually with worm (10), and the top of worm (10) extends to the top of valve body (1) and welds valve rod (11), and annular groove (12) have all been seted up to the both sides of valve clack (5), installs sealing washer (13) in annular groove (12), the outside of sealing washer (13) and the inner wall swing joint of spherical chamber (2).
2. A butterfly valve according to claim 1, characterised in that the sides of the two sealing rings (13) remote from each other are in movable contact with a gasket (14), the gasket (14) being provided with a bolt (15), the bolt (15) being screwed onto the flap (5).
3. A butterfly valve according to claim 1, characterised in that the worm (10) is rotatably sleeved on the outside with a sealing gasket (16), the bottom side of the sealing gasket (16) being fixedly bonded to the top side of the valve body (1).
4. A butterfly valve according to claim 1, characterised in that the outer side of the shaft (6) is fixedly fitted with the inner ring of a first bearing, the outer ring of which is fixedly fitted on the inner wall of the rotation hole (4).
5. A butterfly valve according to claim 1, characterised in that the outer sleeve of the worm (10) is provided with the inner ring of a second bearing, the outer ring of which is fixedly connected to the inner wall of the groove (3).
CN201920896844.7U 2019-06-14 2019-06-14 Butterfly valve Active CN210240584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920896844.7U CN210240584U (en) 2019-06-14 2019-06-14 Butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920896844.7U CN210240584U (en) 2019-06-14 2019-06-14 Butterfly valve

Publications (1)

Publication Number Publication Date
CN210240584U true CN210240584U (en) 2020-04-03

Family

ID=69975064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920896844.7U Active CN210240584U (en) 2019-06-14 2019-06-14 Butterfly valve

Country Status (1)

Country Link
CN (1) CN210240584U (en)

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