Full-lining teflon butterfly valve

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a full-lining teflon butterfly valve, which is convenient for filtering impurities in different fluids, is convenient for mounting and fixing a filter plate, improves the convenience and the durability of the butterfly valve, and can perform visual adjustment on the butterfly valve. Comprising a body mechanism; the device further comprises an adjusting mechanism, a visualization mechanism, a filtering mechanism, a mounting mechanism and a protection mechanism, the adjusting mechanism is mounted on the main body mechanism, the visualization mechanism is mounted on the adjusting mechanism, the filtering mechanism is mounted in the main body mechanism, the mounting mechanism is mounted on the filtering mechanism, and the protection mechanism is mounted on the filtering mechanism. The main body mechanism is driven by the adjusting mechanism to adjust the opening size of the butterfly valve, the butterfly valve is visually adjusted by the visualization mechanism, fluid is filtered by the filtering mechanism, the filtering mechanism is conveniently mounted and fixed by the mounting mechanism, and the mounting mechanism is conveniently protected by the protection mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of butterfly valve, in particular to a full lining four fluorine butterfly valve. BACKGROUND

[0002] Full lining four fluorine butterfly valve, by name, its valve body inner wall and valve clapper surface all have the lining of polytetrafluoroethylene material, polytetrafluoroethylene is a kind of plastic material with excellent corrosion resistance and high temperature resistance, can resist the erosion of various strong acid, strong alkali and organic solvent, the valve is mainly composed of valve body, valve clapper, valve rod, sealing ring, transmission device and other components.

[0003] The existing butterfly valve, for example, the prior art with the application number CN201620724992.7, including worm wheel, upper valve body, lower valve body, flange, worm, flange lining, rotary rod, disc plate, disc plate outer lining and flange hole, polytetrafluoroethylene resin is placed on the surface of flange and disc plate, and the butterfly valve is made of fluorine lining by using the unique performance of polytetrafluoroethylene resin in resisting strong corrosive medium, the butterfly valve can resist various strong acid, strong alkali, strong oxidant and organic solvent, the valve body adopts flange, which is convenient to install, and the worm wheel is arranged, which is convenient to control the butterfly valve.

[0004] However, there may be impurities in the liquid, and the prior art cannot filter the impurities in the liquid, and the impurities are easy to rub between the partition plate and the main body, which affects the service life of the lining, and the prior art is not convenient to perceive the angle of the disc plate opening, so that the practicability is reduced. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a full lining four fluorine butterfly valve, which is convenient to filter impurities in different fluids, and convenient to install and fix the filter plate, improve the convenience and durability of the butterfly valve, and can visually adjust the butterfly valve.

[0006] The utility model discloses a full lining four fluorine butterfly valve, including main body mechanism, still including adjusting mechanism, visual mechanism, filter mechanism, mounting mechanism and protection mechanism, adjusting mechanism installs on the main body mechanism, visual mechanism installs on adjusting mechanism, filter mechanism installs in the main body mechanism, mounting mechanism installs on filter mechanism, protection mechanism installs on filter mechanism, the size of butterfly valve opening is adjusted to the main body mechanism through adjusting mechanism drive, visual mechanism carries out visual adjustment to butterfly valve, and filter mechanism filters fluid, and mounting mechanism is convenient for installing and fixing to filter mechanism, and protection mechanism is convenient for protecting mounting mechanism, the size of butterfly valve opening is adjusted to the main body mechanism through adjusting mechanism drive, visual mechanism carries out visual adjustment to butterfly valve, and it is convenient to understand the position and size of butterfly valve, improves practicality, and filter mechanism filters fluid, prevents impurity and produces influence to main body mechanism, improves durability, and mounting mechanism is convenient for installing and fixing to filter mechanism, and then it is convenient to filter mechanism replacement and cleaning, improves practicality, and protection mechanism is convenient for protecting mounting mechanism, prevents mounting mechanism and leads to filter mechanism and falls off.

[0007] Preferably, the main body mechanism includes a butterfly valve shell, a flange plate, an adjusting shaft and a disc plate, the flange plate is installed at both ends of the butterfly valve shell, a driving seat is arranged at the top end of the butterfly valve shell, the adjusting shaft is rotatably installed in the driving seat and the butterfly valve shell, the disc plate is installed on the adjusting shaft and located in the butterfly valve shell, and polytetrafluoroethylene material is lined on the inner wall of the butterfly valve shell and the outer wall of the disc plate.

[0008] Preferably, the adjusting mechanism includes an adjusting box, a worm gear and a worm, the adjusting box is installed at the top end of the driving seat, the worm gear is installed on the adjusting shaft, the worm is rotatably installed on the inner wall of the adjusting box, and the worm is engaged with the worm gear.

[0009] Preferably, the visual mechanism includes a dial, a scale bar and a pointer, the dial is installed at the top end of the adjusting box, the scale bar is installed on the dial, the pointer is installed at the top end of the adjusting shaft, and the direction of the pointer is parallel and same as the disc plate.

[0010] Preferably, the filtering mechanism includes a mounting support frame and a filter plate, the mounting support frame is mounted on the inner wall of the butterfly valve housing, and the filter plate is mounted on the mounting support frame through the mounting mechanism; the filter plate is supported and fixed by the mounting support frame to improve the stability of the filter plate, and the fluid is filtered through the filter plate to prevent impurities from affecting the disc plate and the inner wall of the butterfly valve housing, causing the guide disc plate to be loose and leaking, thereby improving durability.

[0011] Preferably, the mounting mechanism includes a locking rod, a lock box, a sliding lock block and a first spring, the limit slot is mounted on the filter plate, the mounting support frame and the filter plate are both provided with a through slot and a guide slot, the rotation slot is arranged inside the mounting support frame, the card slot is arranged inside the mounting support frame, the card slot is communicated with the rotation slot, the through slot is communicated with the rotation slot, the locking rod can be mounted in the through slot, the lock box is mounted at one end of the locking rod, the sliding lock block is slidably mounted in the lock box, the first spring connects the sliding lock block and the inner wall of the lock box, and a limited handle is provided on the other end of the locking rod; when the filter plate is to be mounted on the mounting support frame, the mounting support frame is aligned with the filter plate, and the mounting support frame and the filter plate are simultaneously engaged. When the lock box is aligned with the card slot, the limit handle is released, and the sliding lock block is pushed out of the lock box by the elasticity of the first spring, and the lock box is pushed back into the card slot, thereby completing the fixation of the filter plate.

[0012] Preferably, the protection mechanism includes a sliding seat, a second spring, a rotating rod and a baffle. A sliding hole is provided on the filter plate, the sliding seat is slidably installed in the sliding hole, the second spring connects the inner wall of the sliding hole and the sliding seat, the rotating rod is rotatably installed on the sliding seat, and the baffle is installed on the second spring; when the filter plate is installed and fixed, 44 is driven to rotate by rotating 43, and 44 is tightly buckled on the installation mechanism through the elasticity of the filter plate, and then the installation mechanism is shielded by 44 to prevent fluid impact from affecting the stability of the filter mechanism.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the main body mechanism is driven by the adjustment mechanism to adjust the size of the butterfly valve opening, the visualization mechanism visually adjusts the butterfly valve, which is convenient for understanding the position and size of the butterfly valve, thereby improving practicality; the filtering mechanism filters the fluid to prevent impurities from affecting the main body mechanism, thereby improving durability; the installation mechanism facilitates the installation and fixation of the filtering mechanism, thereby facilitating the replacement and cleaning of the filtering mechanism, thereby improving practicality; the protection mechanism facilitates the protection of the installation mechanism to prevent the installation mechanism from opening and causing the filtering mechanism to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a first axonometric structural diagram of the present invention;

[0015] Figure 2 This is a second axonometric structural diagram of the present invention;

[0016] Figure 3 This is a third axonometric structural diagram of the present utility model;

[0017] Figure 4 This is a front-view cross-sectional axonometric structural diagram of the present invention;

[0018] Figure 5 It is a schematic diagram of the side-view cross-section axonometric structure of the utility model;

[0019] Figure 6 It is a front cross-sectional structural schematic diagram of the utility model;

[0020] Figure 7 This utility model Figure 4 Schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 8 This utility model Figure 5 Schematic diagram of the enlarged structure at B in the middle;

[0022] Figure 9 This utility model Figure 6 Schematic diagram of the enlarged structure at C in the middle;

[0023] Markings in the accompanying drawings: 01, main body mechanism; 11, butterfly valve housing; 12, flange; 13, adjusting shaft; 14, disc plate; 02, adjusting mechanism; 21, adjusting box; 22, worm gear; 23, worm; 03, visualization mechanism; 31, dial; 32, scale bar; 33, pointer; 04, filtering mechanism; 41, mounting support frame; 42, filter plate; 05, mounting mechanism; 51, limiting groove; 52, through groove; 53, guide groove; 54, rotating groove; 55, card slot; 56, locking rod; 57, lock box; 58, sliding lock block; 59, first spring; 06, protection mechanism; 61, sliding seat; 62, second spring; 63, rotating rod; 64, baffle. DETAILED DESCRIPTION

[0024] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0025] Example 1

[0026] like Figures 1 to 4 As shown, a fully lined PTFE butterfly valve includes a main body 01, an adjusting mechanism 02, a visualizing mechanism 03, a filtering mechanism 04, a mounting mechanism 05, and a protecting mechanism 06. The adjusting mechanism 02 is mounted on the main body 01, the visualizing mechanism 03 is mounted on the adjusting mechanism 02, the filtering mechanism 04 is mounted in the main body 01, the mounting mechanism 05 is mounted on the filtering mechanism 04, and the protecting mechanism 06 is mounted on the filtering mechanism 04.

[0027] The adjustment mechanism 02 drives the main mechanism 01 to adjust the opening size of the butterfly valve. The visualization mechanism 03 performs visual adjustment on the butterfly valve. The filtering mechanism 04 filters the fluid. The installation mechanism 05 facilitates the installation and fixation of the filtering mechanism 04. The protection mechanism 06 facilitates the protection of the installation mechanism 05.

[0028] The main body 01 includes a butterfly valve housing 11, a flange 12, an adjusting shaft 13 and a disc plate 14. The flange 12 is installed at both ends of the butterfly valve housing 11. A drive seat is provided at the top of the butterfly valve housing 11. The adjusting shaft 13 is rotatably installed in the drive seat and the butterfly valve housing 11. The disc plate 14 is installed on the adjusting shaft 13. The disc plate 14 is located in the butterfly valve housing 11. The inner wall of the butterfly valve housing 11 and the outer wall of the disc plate 14 are lined with polytetrafluoroethylene material.

[0029] The adjustment mechanism 02 includes an adjustment box 21, a worm wheel 22 and a worm 23. The adjustment box 21 is mounted on the top of the drive seat, the worm wheel 22 is mounted on the adjustment shaft 13, and the worm 23 is rotatably mounted on the inner wall of the adjustment box 21. The worm 23 is meshed with the worm wheel 22.

[0030] The visualization mechanism 03 includes a scale plate 31, a scale bar 32, and a pointer 33. The scale plate 31 is mounted on the top of the adjustment box 21, the scale bar 32 is mounted on the scale plate 31, and the pointer 33 is mounted on the top of the adjustment shaft 13. The direction of the pointer 33 is parallel to the direction of the disc plate 14.

[0031] By rotating the worm 23, the meshing relationship drives the worm wheel 22 to rotate, and then drives the adjusting shaft 13 to rotate, and then adjusts the angle of the disc plate 14. The flange 12 facilitates the overall installation. When the adjusting shaft 13 rotates to adjust the angle of the disc plate 14, the rotation of the adjusting shaft 13 drives the pointer 33 to rotate, and then the opening size of the disc plate 14 is visually perceived through the pointer 33 and the scale bar 32 on the dial 31, thereby improving practicality.

[0032] Example 2

[0033] like Figures 2 to 9As shown, a fully lined PTFE butterfly valve includes a main body 01, an adjusting mechanism 02, a visualizing mechanism 03, a filtering mechanism 04, a mounting mechanism 05, and a protecting mechanism 06. The adjusting mechanism 02 is mounted on the main body 01, the visualizing mechanism 03 is mounted on the adjusting mechanism 02, the filtering mechanism 04 is mounted in the main body 01, the mounting mechanism 05 is mounted on the filtering mechanism 04, and the protecting mechanism 06 is mounted on the filtering mechanism 04.

[0034] The adjustment mechanism 02 drives the main mechanism 01 to adjust the opening size of the butterfly valve. The visualization mechanism 03 performs visual adjustment on the butterfly valve. The filtering mechanism 04 filters the fluid. The installation mechanism 05 facilitates the installation and fixation of the filtering mechanism 04. The protection mechanism 06 facilitates the protection of the installation mechanism 05.

[0035] The main body 01 includes a butterfly valve housing 11, a flange 12, an adjusting shaft 13 and a disc plate 14. The flange 12 is installed at both ends of the butterfly valve housing 11. A drive seat is provided at the top of the butterfly valve housing 11. The adjusting shaft 13 is rotatably installed in the drive seat and the butterfly valve housing 11. The disc plate 14 is installed on the adjusting shaft 13. The disc plate 14 is located in the butterfly valve housing 11. The inner wall of the butterfly valve housing 11 and the outer wall of the disc plate 14 are lined with polytetrafluoroethylene material.

[0036] The filter mechanism 04 includes a mounting support frame 41 and a filter plate 42. The mounting support frame 41 is mounted on the inner wall of the butterfly valve housing 11, and the filter plate 42 is mounted on the mounting support frame 41 through the mounting mechanism 05.

[0037] The mounting mechanism 05 includes a locking rod 56, a lock box 57, a sliding lock block 58 and a first spring 59. The limit groove 51 is mounted on the filter plate 42. The mounting support frame 41 and the filter plate 42 are both provided with a through groove 52 and a guide groove 53. The rotation groove 54 is arranged inside the mounting support frame 41. The card slot 55 is arranged inside the mounting support frame 41. The card slot 55 is communicated with the rotation groove 54. The through groove 52 is communicated with the rotation groove 54. The locking rod 56 can be mounted in the through groove 52. The lock box 57 is mounted at one end of the locking rod 56. The sliding lock block 58 is slidably mounted in the lock box 57. The first spring 59 connects the sliding lock block 58 and the inner wall of the lock box 57. The other end of the locking rod 56 is provided with a limited handle.

[0038] The protection mechanism 06 includes a sliding seat 61, a second spring 62, a rotating rod 63 and a baffle 64. The filter plate 42 is provided with a sliding hole. The sliding seat 61 is slidably installed in the sliding hole. The second spring 62 connects the inner wall of the sliding hole and the sliding seat 61. The rotating rod 63 is rotatably installed on the sliding seat 61. The baffle 64 is installed on the second spring 62.

[0039] The filter plate 42 is supported and fixed by the installation support frame 41, the stability of the filter plate 42 is improved, the fluid is filtered by the filter plate 42, the impurities are prevented from affecting the inner wall of the disc plate 14 and the butterfly valve shell 11, the disc plate 14 is guided to prevent leakage, the durability is improved, when the filter plate 42 is installed on the installation support frame 41, the installation support frame 41 is aligned with the filter plate 42, the through slot 52 and the guide slot 53 on the installation support frame 41 and the filter plate 42 are aligned, then the sliding lock block 58 and the lock box 57 are aligned with the guide slot 53, the lock rod 56 is penetrated through the through slot 52 of the installation support frame 41 and the filter plate 42, the sliding lock block 58 and the lock box 57 are guided to slide in the guide slot 53, until the sliding lock block 58 enters the rotating slot 54, the limiting handle is continuously pressed, the lock rod 56 continuously slides in the through slot 52, until the first spring 59 is contracted, the sliding lock block 58 slides into the lock box 57, at this time, the limiting handle is rotated, the lock box 57 and the sliding lock block 58 rotate in the rotating slot 54, when the lock box 57 is aligned with the clamping slot 55, the limiting handle is loosened, the sliding lock block 58 is pushed out of the lock box 57 by the elasticity of the first spring 59, and then the lock box 57 is pushed back into the clamping slot 55, and the fixing of the filter plate 42 is completed, when the filter plate 42 is installed and fixed, the rotating 43 drives the 44 to rotate, the 44 is tightly buckled at the installation mechanism 05 by the elasticity of the filter plate 42, and then the installation mechanism 05 is shielded by the 44, so that the stability of the filtering mechanism 04 is prevented from being affected by fluid impact.

[0040] As Figures 1 to 9As shown, the utility model is a fully lined PTFE butterfly valve. When it is working, the worm 23 is rotated, and the meshing relationship drives the worm wheel 22 to rotate, thereby driving the adjusting shaft 13 to rotate, and then adjusting the angle of the disc plate 14. The flange 12 is convenient for overall installation. When the adjusting shaft 13 rotates to adjust the angle of the disc plate 14, the rotation of the adjusting shaft 13 drives the pointer 33 to rotate, and then the opening size of the disc plate 14 is visually perceived through the pointer 33 and the scale bar 32 on the dial 31, thereby improving practicality. The filter plate 42 is supported and fixed by the mounting support frame 41 to improve the stability of the filter plate 42. The fluid is filtered by the filter plate 42 to prevent impurities from affecting the disc plate 14 and the inner wall of the butterfly valve housing 11. The guide disc plate 14 is not tightly supported and leaks, thereby improving durability. When the filter plate 42 is to be installed on the mounting support frame 41, the mounting support frame 41 is aligned with the filter plate 42, and the through grooves 52 and guide grooves 53 on the mounting support frame 41 and the filter plate 42 are aligned, and then the sliding lock is The block 58 and the lock box 57 are aligned with the guide groove 53, and the locking rod 56 is passed through the through groove 52 of the mounting support frame 41 and the filter plate 42. The locking rod 56 is guided by the lock box 57 and the sliding lock block 58 in the guide groove 53 until the sliding lock block 58 enters the rotation groove 54. Then, the limit handle is continued to be pressed to make the locking rod 56 continue to slide in the through groove 52 until the first spring 59 contracts and the sliding lock block 58 slides into the lock box 57. At this time, the limit handle is turned so that the lock box 57 and the sliding lock block 58 are in the rotation groove 54. Rotate, when the lock box 57 is aligned with the card slot 55, release the limit handle, and the sliding lock block 58 is pushed out of the lock box 57 by the elasticity of the first spring 59, and then the lock box 57 is pushed back into the card slot 55, thereby completing the fixation of the filter plate 42. When the installation and fixation of the filter plate 42 is completed, 44 is driven to rotate by rotating 43, and 44 is tightly buckled on the installation mechanism 05 by the elasticity of the filter plate 42, and then the installation mechanism 05 is blocked by 44 to prevent the fluid impact from affecting the stability of the filter mechanism 04.

[0041] The main functions achieved by the utility model are: during the operation of the butterfly valve, it is convenient to filter impurities in different fluids, and it is convenient to install and fix the filter plate, thereby improving the convenience and durability of the butterfly valve, and at the same time the butterfly valve can be visually adjusted.

[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A fully lined polytetrafluoroethylene butterfly valve, comprising a main body (01); characterized in that: The device further comprises an adjusting mechanism (02), a visualizing mechanism (03), a filtering mechanism (04), a mounting mechanism (05) and a protecting mechanism (06), wherein the adjusting mechanism (02) is mounted on the main mechanism (01), the visualizing mechanism (03) is mounted on the adjusting mechanism (02), the filtering mechanism (04) is mounted in the main mechanism (01), the mounting mechanism (05) is mounted on the filtering mechanism (04), and the protecting mechanism (06) is mounted on the filtering mechanism (04); The regulating mechanism (02) drives the main mechanism (01) to regulate the opening size of the butterfly valve, the visualizing mechanism (03) visually adjusts the butterfly valve, the filtering mechanism (04) filters the fluid, the installing mechanism (05) facilitates the installation and fixing of the filtering mechanism (04), and the protecting mechanism (06) facilitates the protection of the installing mechanism (05).

2. A fully lined PTFE butterfly valve as claimed in claim 1, characterized in that: The main body mechanism (01) comprises a butterfly valve housing (11), a flange (12), an adjusting shaft (13) and a disc plate (14). The flange (12) is mounted on both ends of the butterfly valve housing (11). A driving seat is provided at the top end of the butterfly valve housing (11). The adjusting shaft (13) is rotatably mounted in the driving seat and the butterfly valve housing (11). The disc plate (14) is mounted on the adjusting shaft (13). The disc plate (14) is located in the butterfly valve housing (11). The inner wall of the butterfly valve housing (11) and the outer wall of the disc plate (14) are both lined with polytetrafluoroethylene material.

3. A fully lined PTFE butterfly valve as claimed in claim 2, characterized in that: The regulating mechanism (02) comprises a regulating box (21), a worm wheel (22) and a worm (23). The regulating box (21) is mounted on the top of the driving seat, the worm wheel (22) is mounted on the regulating shaft (13), and the worm (23) is rotatably mounted on the inner wall of the regulating box (21). The worm (23) is meshed with the worm wheel (22).

4. A fully lined PTFE butterfly valve as claimed in claim 3, characterized in that: The visualization mechanism (03) includes a scale plate (31), a scale bar (32) and a pointer (33). The scale plate (31) is mounted on the top of the adjustment box (21), the scale bar (32) is mounted on the scale plate (31), and the pointer (33) is mounted on the top of the adjustment shaft (13). The direction of the pointer (33) is parallel to and in the same direction as the disc plate (14).

5. A fully lined PTFE butterfly valve as claimed in claim 2, characterized in that: The filter mechanism (04) comprises a mounting support frame (41) and a filter plate (42). The mounting support frame (41) is mounted on the inner wall of the butterfly valve housing (11), and the filter plate (42) is mounted on the mounting support frame (41) through the mounting mechanism (05).

6. A fully lined PTFE butterfly valve as claimed in claim 5, characterized in that: The mounting mechanism (05) comprises a locking rod (56), a lock box (57), a sliding lock block (58) and a first spring (59); the limiting groove (51) is mounted on the filter plate (42); the mounting support frame (41) and the filter plate (42) are both provided with a through groove (52) and a guide groove (53); the rotation groove (54) is arranged inside the mounting support frame (41); the clamping groove (55) is arranged inside the mounting support frame (41); the clamping groove (55) is communicated with the rotation groove (54); the through groove (52) is communicated with the rotation groove (54); the locking rod (56) can be mounted in the through groove (52); the lock box (57) is mounted at one end of the locking rod (56); the sliding lock block (58) is slidably mounted in the lock box (57); the first spring (59) connects the sliding lock block (58) and the inner wall of the lock box (57); and the other end of the locking rod (56) is provided with a limiting handle.

7. A fully lined PTFE butterfly valve as claimed in claim 5, characterized in that: The protection mechanism (06) includes a sliding seat (61), a second spring (62), a rotating rod (63) and a baffle (64). A sliding hole is provided on the filter plate (42). The sliding seat (61) is slidably installed in the sliding hole. The second spring (62) connects the inner wall of the sliding hole and the sliding seat (61). The rotating rod (63) is rotatably installed on the sliding seat (61). The baffle (64) is installed on the second spring (62).

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