CN217056371U

CN217056371U - Fluorine-lined butterfly valve

Info

Publication number: CN217056371U
Application number: CN202220650538.7U
Authority: CN
Inventors: 项策; 陈永刚; 薛纪亥; 汪德维
Original assignee: Tanggong Valve Group Co ltd
Current assignee: Tanggong Valve Group Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-26
Anticipated expiration: 2032-03-23

Abstract

The utility model belongs to the butterfly valve field, in particular to a fluorine-lined butterfly valve, which is a fixed installation aiming at the existing butterfly valve, and needs to be disassembled when updating lubricating oil, and needs a lot of time, and the proposal is provided that the butterfly valve comprises an installation shell and a valve body fixedly connected with the bottom of the installation shell, one side of the installation shell is fixedly connected with an installation seat, one side of the installation seat is rotatably penetrated with a rotating shaft, one end of the rotating shaft is fixedly connected with a hand wheel, the other end of the rotating shaft penetrates one side of the installation shell and is fixedly connected with a worm, and the upper surface of the valve body is rotatably penetrated with a connecting rod, in the utility model, the oil can be rapidly applied to the structure in the butterfly valve, the problem that the butterfly valve needs to be disassembled when updating the lubricating oil is solved, the lubricating oil can be stored and used for a plurality of times, the time of people is saved, and the liquid in the butterfly valve can be prevented from flowing out, the sealing performance of the butterfly valve is improved.

Description

Fluorine-lined butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a lining fluorine butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for the on-off control of low-pressure pipeline media, is a valve of which a closing part is a disc and rotates around a valve shaft to open and close, and can be divided into an electric butterfly valve, a pneumatic butterfly valve, a hydraulic butterfly valve and a manual butterfly valve according to a driving mode.

The butterfly valve needs periodic lubricating oil renewal after long-term use, avoids the too big use that hinders people of friction between the structure, and current butterfly valve all is fixed installation generally, needs to dismantle the butterfly valve when renewing lubricating oil, needs very much time, therefore provides a lining fluorine butterfly valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the butterfly valve is generally fixedly installed in the prior art, the butterfly valve needs to be disassembled when lubricating oil is updated, and the defect that much time is needed is overcome, thereby providing a fluorine-lined butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fluorine-lined butterfly valve comprises an installation shell and a valve body fixedly connected to the bottom of the installation shell, wherein an installation seat is fixedly connected to one side of the installation shell, a rotating shaft penetrates through one side of the installation seat in a rotating mode, a hand wheel is fixedly connected to one end of the rotating shaft, a worm penetrates through one side of the installation shell and is fixedly connected to the other end of the rotating shaft, a connecting rod penetrates through the upper surface of the valve body in a rotating mode, the bottom of the connecting rod penetrates through the upper surface of the valve body and is fixedly connected with a butterfly plate, the top of the connecting rod penetrates through the bottom of the installation shell and is fixedly connected with a worm wheel, the worm wheel is meshed with the worm wheel, a penetrating oil box is fixedly connected to the upper surface of the installation shell, an oil storage chamber is formed in the installation seat, and oil discharge assemblies are arranged in the oil box and the oil storage chamber;

the oil drain assembly comprises an oil pipe, the oil pipe penetrates through the top and the bottom of the mounting shell in a sliding mode, an upper oil cavity and a lower oil cavity are formed in the top and the bottom of the oil pipe respectively, an oil conveying port and an oil inlet are formed in one side of the upper oil cavity and one side of the lower oil cavity respectively, an oil outlet nozzle is formed in the bottom of the lower oil cavity, a limiting ring is fixedly connected to the outer wall of the circumference of the oil pipe, a spring is fixedly connected between the limiting ring and the mounting shell, an oil sealing bolt is connected to the top of the oil pipe in a threaded mode, and the bottom of the oil sealing bolt is located in the upper oil cavity.

Preferably, a trough is formed in the inner wall of one side of the valve body, filler is arranged in the trough, a gland is fixedly connected to the upper surface of the valve body, and the gland is in contact with the filler.

Preferably, the material of the packing is PTFE, and the material of the gland is WCB.

Preferably, the circumference outer wall fixedly connected with two hydraulic seal spare of pivot, two hydraulic seal spare is located the both sides of oil groove respectively, and two hydraulic seal spare contacts with installation shell and mount pad respectively.

Preferably, an oil groove is formed in one side of the circumference of the rotating shaft, and oil absorption sponge is arranged in the oil groove.

Preferably, both sides of the valve body are fixedly connected with flanges.

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

1. through the setting of oil drain subassembly, when using the butterfly valve, the pulling oil seal bolt drives the oil inlet and rises, and lubricating oil flows through oil inlet and play oil nozzle, can be quick oil the structure, and easy operation is convenient, has solved the problem that the renewal lubricating oil need be dismantled the butterfly valve.

2. Through the setting of oil box and oil groove, can save lubricating oil, oil box and oil groove fill up can repetitious usage after lubricating oil once, have prolonged the cycle that people updated lubricating oil, have saved people's time.

3. Through the setting of gland and packing, the packing can be further sealed the valve body, avoids the liquid outflow in the valve body, has improved the leakproofness of butterfly valve.

The utility model discloses in, can oil to the structure in the butterfly valve fast, solve the problem that the renew lubricating oil need carry out the dismantlement to the butterfly valve, can save lubricating oil and repetitious usage, saved people's time, can also avoid the liquid outflow in the butterfly valve, improved the leakproofness of butterfly valve.

Drawings

Fig. 1 is a schematic front view of a fluorine-lined butterfly valve according to the present invention;

fig. 2 is a schematic side view of a fluorine-lined butterfly valve according to the present invention;

fig. 3 is a schematic front sectional view of a fluorine-lined butterfly valve according to the present invention;

fig. 4 is a schematic top view of a cross-sectional structure of a fluorine-lined butterfly valve according to the present invention;

fig. 5 is a schematic structural view of an oil drain assembly of a fluorine-lined butterfly valve provided by the utility model.

In the figure: 1. mounting a shell; 2. a valve body; 3. an oil box; 4. a mounting base; 5. a rotating shaft; 6. a hand wheel; 7. a butterfly plate; 8. a flange; 9. a connecting rod; 10. a gland; 11. a filler; 12. a worm; 13. a worm gear; 14. a hydraulic seal; 15. an oil storage chamber; 16. an oil sump; 17. an oil seal bolt; 18. an oil pipe; 19. an upper oil chamber; 20. an oil delivery port; 21. a lower oil chamber; 22. an oil inlet; 23. a limiting ring; 24. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example one

Referring to fig. 1-5, a fluorine-lined butterfly valve comprises an installation shell 1 and a valve body 2 fixedly connected to the bottom of the installation shell 1, wherein one side of the installation shell 1 is fixed with an installation seat 4 through a bolt, one side of the installation seat 4 is rotatably penetrated with a rotating shaft 5, one end of the rotating shaft 5 is fixed with a hand wheel 6 through a bolt, the other end of the rotating shaft 5 penetrates through one side of the installation shell 1 and is fixed with a worm 12 through a bolt, the upper surface of the valve body 2 is rotatably penetrated with a connecting rod 9, the bottom of the connecting rod 9 penetrates through the upper surface of the valve body 2 and is fixed with a butterfly plate 7 through a bolt, the top of the connecting rod 9 penetrates through the bottom of the installation shell 1 and is fixed with a worm wheel 13 through a bolt, the worm wheel 13 is meshed with the worm 12, the upper surface of the installation shell 1 is fixed with a penetrating oil box 3 through a bolt, an oil storage chamber 15 is arranged in the installation seat 4, and oil discharge assemblies are arranged in the oil box 3 and the oil storage chamber 15, the oil drain assembly comprises an oil pipe 18, the oil pipe 18 penetrates through the top and the bottom of the mounting shell 1 in a sliding mode, an upper oil cavity 19 and a lower oil cavity 21 are formed in the top and the bottom of the oil pipe 18 respectively, an oil delivery port 20 and an oil inlet 22 are formed in one side of the upper oil cavity 19 and one side of the lower oil cavity 21 respectively, an oil outlet nozzle is formed in the bottom of the lower oil cavity 21, a limiting ring 23 is fixedly connected to the outer wall of the circumference of the oil pipe 18, a spring 24 is fixedly connected between the limiting ring 23 and the mounting shell 1, an oil sealing bolt 17 is connected to the top of the oil pipe 18 in a threaded mode, and the bottom of the oil sealing bolt 17 is located in the upper oil cavity 19.

Example two

Referring to fig. 1 to 5, the present invention provides a new technical solution: a fluorine-lined butterfly valve comprises an installation shell 1 and a valve body 2 fixedly connected to the bottom of the installation shell 1, wherein one side of the installation shell 1 is fixedly provided with an installation seat 4 through a bolt, one side of the installation seat 4 is rotatably penetrated by a rotating shaft 5, the circumferential outer wall of the rotating shaft 5 is fixedly connected with two hydraulic sealing parts 14, the two hydraulic sealing parts 14 are respectively positioned at two sides of an oil groove 16, the two hydraulic sealing parts 14 are respectively contacted with the installation shell 1 and the installation seat 4, the hydraulic sealing parts 14 can prevent lubricating oil from flowing into the installation shell 1 or outside and avoid environmental pollution, one side of the circumference of the rotating shaft 5 is provided with the oil groove 16, an oil absorption sponge is arranged in the oil groove 16 and can absorb the lubricating oil, when the rotating shaft 5 rotates, the lubricating oil can be uniformly coated around by the oil absorption sponge, one end of the rotating shaft 5 is fixedly provided with a hand wheel 6 through the bolt, the other end of the rotating shaft 5 penetrates one side of the installation shell 1 and is fixedly provided with a worm 12 through the bolt, the upper surface of the valve body 2 is rotatably penetrated with a connecting rod 9, the bottom of the connecting rod 9 penetrates through the upper surface of the valve body 2 and is fixed with a butterfly plate 7 through a bolt, the top of the connecting rod 9 penetrates through the bottom of the mounting shell 1 and is fixed with a worm wheel 13 through a bolt, the worm wheel 13 is meshed with a worm 12, a trough is arranged on the inner wall of one side of the valve body 2, a packing 11 is arranged in the trough, a gland 10 is fixed on the upper surface of the valve body 2 through a bolt, the gland 10 is in contact with the packing 11, the packing 11 can further seal the valve body 2 to prevent liquid in the valve body 2 from flowing out, the sealing performance of the butterfly valve is improved, the packing 11 is made of PTFE, the gland 10 is made of WCB, the PTFE has the characteristics of acid and alkali resistance, various organic solvents and high temperature resistance, and is suitable for sealing the butterfly valve, flanges 8 are fixed on two sides of the valve body 2 through bolts, the upper surface of the mounting shell 1 is fixed with a penetrating oil box 3 through bolts, an oil storage chamber 15 is arranged in the mounting seat 4, the oil box 3 and the oil storage chamber 15 can store lubricating oil, the lubricating oil can be used for multiple times after being filled with one time of lubricating oil, the period of updating the lubricating oil by people is prolonged, the time of people is saved, oil drain assemblies are arranged in the oil box 3 and the oil storage chamber 15 respectively and comprise an oil pipe 18, the oil pipe 18 penetrates through the top and the bottom of the mounting shell 1 in a sliding manner, an upper oil cavity 19 and a lower oil cavity 21 are respectively arranged at the top and the bottom of the oil pipe 18, an oil conveying port 20 and an oil inlet 22 are respectively arranged at one side of the upper oil cavity 19 and one side of the lower oil cavity 21, an oil outlet nozzle is arranged at the bottom of the lower oil cavity 21, a limiting ring 23 is fixedly connected to the circumferential outer wall of the oil pipe 18, a spring 24 is fixedly connected between the limiting ring 23 and the mounting shell 1, an oil sealing bolt 17 is in threaded connection at the top of the oil pipe 18, the bottom of the oil sealing bolt 17 is positioned in the upper oil cavity 19, when a butterfly valve is needed, can oil the butterfly valve inner structure through the oil drain subassembly is quick.

The working principle is as follows: when people need to use the butterfly valve, firstly, the oil sealing bolt 17 is moved upwards, the oil sealing bolt 17 drives the oil pipe 18 to move upwards so as to drive the oil inlet 22 to move upwards, when the oil inlet 22 enters the oil box 3, the lubricating oil enters the lower oil cavity 21 through the oil inlet 22 and then falls onto a structure needing to be lubricated through the oil outlet nozzle, then, the oil sealing bolt 17 is loosened, at the moment, the spring 24 pushes the limiting ring 23 to drive the oil pipe 18 to move downwards, the oil pipe 18 drives the oil inlet 22 to move downwards, finally, the oil inlet 22 is sealed, after the lubricating oil is filled, the hand wheel 6 is rotated, the hand wheel 6 drives the rotating shaft 5 and further drives the worm 12 to rotate, the worm 12 drives the worm wheel 13 and further drives the connecting rod 9 to rotate, the butterfly plate 7 is driven by the connecting rod 9 to open or close, when the oil box 3 or the oil groove 16 needs to be filled, the oil sealing bolt 17 is rotated and taken out, oil is filled through the upper oil cavity 19, the lubricating oil passes through the upper oil cavity 19 and enters the oil conveying port 20 into the oil box 3, when the oil is full, the upper oil cavity 19 is sealed by the oil sealing bolt 17, and the oil groove 16 is filled with oil in the same way.

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

1. A fluorine-lined butterfly valve comprises an installation shell (1) and a valve body (2) fixedly connected to the bottom of the installation shell (1), and is characterized in that one side of the installation shell (1) is fixedly connected with an installation seat (4), one side of the installation seat (4) is rotated to penetrate through a rotating shaft (5), one end of the rotating shaft (5) is fixedly connected with a hand wheel (6), the other end of the rotating shaft (5) penetrates through one side of the installation shell (1) and is fixedly connected with a worm (12), the upper surface of the valve body (2) is rotated to penetrate through a connecting rod (9), the bottom of the connecting rod (9) penetrates through the upper surface of the valve body (2) and is fixedly connected with a butterfly plate (7), the top of the connecting rod (9) penetrates through the bottom of the installation shell (1) and is fixedly connected with a worm wheel (13), the worm wheel (13) is meshed with the worm (12), the upper surface of the installation shell (1) is fixedly connected with a penetrating oil box (3), an oil storage chamber (15) is formed in the mounting seat (4), and oil discharging assemblies are arranged in the oil box (3) and the oil storage chamber (15);

the oil drain assembly comprises an oil pipe (18), the oil pipe (18) slidably penetrates between the top and the bottom of the installation shell (1), an upper oil cavity (19) and a lower oil cavity (21) are respectively formed in the top and the bottom of the oil pipe (18), an oil delivery port (20) and an oil inlet (22) are respectively formed in one side of the upper oil cavity (19) and one side of the lower oil cavity (21), an oil outlet nozzle is formed in the bottom of the lower oil cavity (21), a limiting ring (23) is fixedly connected to the outer wall of the circumference of the oil pipe (18), a spring (24) is fixedly connected between the limiting ring (23) and the installation shell (1), an oil sealing bolt (17) is connected to the top of the oil pipe (18) in a threaded mode, and the bottom of the oil sealing bolt (17) is located in the upper oil cavity (19).

2. The butterfly valve with the fluorine lining as claimed in claim 1, wherein a trough is formed in an inner wall of one side of the valve body (2), the packing (11) is arranged in the trough, the gland (10) is fixedly connected to the upper surface of the valve body (2), and the gland (10) is in contact with the packing (11).

3. A fluorine-lined butterfly valve according to claim 2, wherein the packing (11) is PTFE and the gland (10) is WCB.

4. The fluorine-lined butterfly valve according to claim 1, wherein two hydraulic sealing elements (14) are fixedly connected to the outer circumferential wall of the rotating shaft (5), the two hydraulic sealing elements (14) are respectively located at two sides of the oil groove (16), and the two hydraulic sealing elements (14) are respectively in contact with the mounting shell (1) and the mounting seat (4).

5. The butterfly valve with the fluorine lining as claimed in claim 1, wherein an oil groove (16) is formed in one side of the circumference of the rotating shaft (5), and an oil absorption sponge is arranged in the oil groove (16).

6. A fluorine-lined butterfly valve according to claim 1, characterized in that a flange (8) is fixedly connected to both sides of the valve body (2).