CN111486242A

CN111486242A - High-performance anti-seize energy-saving butterfly valve

Info

Publication number: CN111486242A
Application number: CN202010335827.3A
Authority: CN
Inventors: 陈华崇; 陈群; 金定昌; 吴王伟; 丁铁山
Original assignee: Zhejiang Furui Industry Co ltd
Current assignee: Zhejiang Furui Industry Co ltd
Priority date: 2020-04-25
Filing date: 2020-04-25
Publication date: 2020-08-04
Anticipated expiration: 2040-04-25
Also published as: CN111486242B

Abstract

The invention discloses a high-performance anti-blocking energy-saving butterfly valve which comprises a valve body and third flange discs fixedly connected to two sides of the valve body, wherein a main shaft is sleeved in the valve body, a rotating disc is fixedly connected to the top end of the main shaft, a lower pressing plate is fixedly connected to the outer side of the bottom of the main shaft, an upper pressing plate is connected to the outer side of the main shaft in a sliding mode, clamping blocks are arranged on one sides, close to each other, of the upper pressing plate and the lower pressing plate, the upper pressing plate is clamped with the clamping blocks on the lower pressing plate in a staggered mode, and. According to the invention, the adjustable valve core mechanism is adopted, so that the possibility of blocking and jamming of the lower gasket and the valve body is reduced, and the distance between the main shaft and the farthest point on the rotating disc is increased by adopting the deflection type rotating disc structure, so that the force arm is increased when the main shaft is used, and the main shaft is rotated more labor-saving.

Description

High-performance anti-seize energy-saving butterfly valve

Technical Field

The invention belongs to the technical field of signal processing, and particularly relates to a high-performance anti-blocking energy-saving butterfly valve.

Background

The butterfly valve is a simple regulating valve, and can be used for the on-off control of low-pressure pipeline medium, i.e. the closing member is a disk, and can be rotated around the valve shaft to open and close the valve.

The butterfly valve receives extensive use in modern pipeline transportation, however following some weak points often can appear in the use in current butterfly valve, current butterfly valve often can appear not using for a long time in the use and rotate the difficulty, the problem that the card is died to be difficult to open or close, simultaneously, the accumulation of impurity in the medium often can appear in butterfly valve case bottom to lead to the butterfly valve to be stopped up the defect that is difficult to unscrew.

Disclosure of Invention

The invention aims to: in order to solve the technical problem existing in reality, a high-performance anti-blocking energy-saving butterfly valve is provided.

The technical scheme adopted by the invention is as follows:

dead energy-conserving butterfly valve of high performance anti-sticking, third flange dish including valve body and valve body both sides fixed connection, the cover is equipped with the main shaft in the valve body, and main shaft top fixedly connected with rolling disc, main shaft bottom outside fixedly connected with holding down plate, main shaft outside sliding connection has the top board, the fixture block has all been seted up to one side that top board and holding down plate are close to mutually, the crisscross joint of fixture block on top board and the holding down plate, main shaft top fixedly connected with rolling disc.

The valve body is characterized in that an upper gasket is clamped between the upper pressure plate and the main shaft, a lower gasket is clamped between the lower pressure plate and the main shaft, and an annular structure formed by mutually bonding the upper gasket and the lower gasket is attached to the inner wall of the valve body.

The valve comprises a valve body, a sleeve, a compression spring, a first flange plate, a second flange plate and a bolt, wherein the sleeve is arranged above the valve body, the compression spring is sleeved in the sleeve, the bottom end of the sleeve is fixedly connected with the first flange plate, the opening at the top end of the valve body is fixedly connected with the second flange plate, and the first flange plate is fixedly connected with the second flange plate through the bolt.

The spindle is fixedly connected with a pressure plate, and the pressure plate is elastically connected with the sleeve through a compression spring.

The rotating disc is provided with a sliding rail, the outer side of the main shaft is fixedly connected with a sliding block, the side face of the sliding block is provided with a limiting sliding groove, and the sliding rail is connected with the limiting sliding groove in a sliding mode.

Wherein, a thread groove is arranged on the rotating disc, and a screw rod is connected in the thread groove in a screwing way.

The screw rod is fixedly connected with a limiting turntable, the sliding block is provided with a rotating groove, and the rotating groove is rotatably connected with the limiting turntable.

The rotating disc is provided with a sliding groove, the sliding block is fixedly connected with a sliding rod, and the sliding rod is connected with the sliding groove in a sliding mode.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the adjustable valve core mechanism is adopted, the compression spring is adopted to elastically connect the pressure plate and the sleeve, the compression spring pushes the pressure plate to move towards the bottom, the fixed connection between the pressure plate and the main shaft and the fixed connection between the main shaft and the lower pressure plate are adopted, the lower pressure plate is driven by the lower pressure plate to move the bottom of the lower gasket downwards, the gap between the lower gasket and the valve body is reduced, and meanwhile, the main shaft is adopted to drive the lower pressure plate and the lower gasket to move upwards, so that the possibility of blocking and blocking of the lower gasket and the valve body is reduced.

2. In the invention, a deflection type turntable structure is adopted, the sliding connection between the limiting sliding chute and the sliding rail and the sliding connection between the sliding chute and the sliding rod are adopted, so that the sliding block can slide on the rotating disc in a translation manner, the screwing connection between the screw rod and the thread groove and the rotating connection between the limiting turntable and the rotating groove are adopted, the sliding block drives the main shaft to deviate from the center of the rotating disc, the distance between the main shaft and the farthest point on the rotating disc is increased, the force arm is increased when the main shaft is used, and the main shaft can rotate more labor-saving.

Drawings

FIG. 1 is a schematic cross-sectional view of the principal structure of the present invention;

FIG. 2 is a schematic view of the present invention taken at section A-A;

FIG. 3 is a schematic view of the cross section B-B of the present invention.

The labels in the figure are: 1. rotating the disc; 2. a compression spring; 3. a first flange plate; 4. a valve body; 5. a lower pressing plate; 6. a main shaft; 7. a lower gasket; 8. a second flange plate; 9. a platen; 10. a sleeve; 11. a slider; 12. a screw; 13. a slide bar; 14. a third flange plate; 15. an upper pressure plate; 16. an upper gasket; 17. a clamping block; 18. a thread groove; 19. a limiting turntable; 20. a limiting chute; 21. a chute; 22. rotating the groove; 23. a slide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiment one, referring to fig. 1 to 3, a high-performance anti-seize energy-saving butterfly valve includes a valve body 4 and third flange discs 14 fixedly connected to two sides of the valve body 4, a spindle 6 is sleeved in the valve body 4, a rotating disc 1 is fixedly connected to the top end of the spindle 6, a lower pressure plate 5 is fixedly connected to the outer side of the bottom of the spindle 6, an upper pressure plate 15 is slidably connected to the outer side of the spindle 6, clamping blocks 17 are respectively arranged on the mutually close sides of the upper pressure plate 15 and the lower pressure plate 5, the upper pressure plate 15 is in staggered clamping connection with the clamping blocks 17 on the lower pressure plate 5, the rotating disc 1 is fixedly connected to the top end of the spindle 6, an upper gasket 16 is clamped between the upper pressure plate 15 and the spindle 6, a lower gasket 7 is clamped between the lower pressure plate 5 and the spindle 6, an annular structure formed by mutually bonding the upper gasket 16 and the lower gasket 7 is attached to the inner wall of the valve body 4, preferably, the upper gasket, the upper gasket 16 is attached to the upper half part of the inner wall of the valve body 4 and is difficult to slide downwards, so that the sealing effect of the upper gasket 16 is not influenced by the up-and-down sliding of the main shaft 6 and the lower pressure plate 5.

Embodiment two, refer to fig. 2, 4 tops of valve body are equipped with sleeve 10, and sleeve 10 endotheca is equipped with compression spring 2, sleeve 10 bottom fixedly connected with

first ring flange

3, 4 top opening part fixedly connected with second ring flange 8 of valve body, through bolt fixed connection between first ring flange 3 and the second ring flange 8, fixedly connected with pressure disk 9 on main shaft 6, through compression spring 2 elastic connection between pressure disk 9 and the sleeve 10, make compression spring 2 promote main shaft 6, lower pressure plate 5 and lower packing ring 7 move down, thereby make lower packing ring 7 receive the drive and increase sealed effect, be convenient for simultaneously drive down to go up the anti-sticking of packing ring 7 through main shaft 6 and die.

In the third embodiment, referring to fig. 3, a slide rail 23 is provided on the rotating disc 1, a slide block 11 is fixedly connected to the outer side of the main shaft 6, a limit chute 20 is provided on the side surface of the slide block 11, the slide rail 23 is slidably connected to the limit chute 20, a thread groove 18 is provided on the rotating disc 1, a screw rod 12 is rotatably connected to the inner side of the thread groove 18, a limit turntable 19 is fixedly connected to the screw rod 12, a rotary groove 22 is provided on the slide block 11, the rotary groove 22 is rotatably connected to the limit turntable 19, a chute 21 is provided on the rotating disc 1, a slide rod 13 is fixedly connected to the slide block 11, the slide rod 13 is slidably connected to the chute 21, preferably, a handle mechanism can be fixed to the outer side of the screw rod 12, so that the screw rod 12 drives the slide block 11 and the main.

The working principle is as follows: firstly, the compression spring 2 pushes the pressure plate 9 to move towards the bottom through the elastic connection between the pressure plate 9 and the sleeve 10, and then the lower pressure plate 5 drives the bottom of the lower gasket 7 to move downwards through the fixed connection between the pressure plate 9 and the main shaft 6 and the fixed connection between the main shaft 6 and the lower pressure plate 5, so that the gap between the lower gasket 7 and the valve body 4 is reduced, and meanwhile, the lower pressure plate 5 and the lower gasket 7 are driven to move upwards through the main shaft 6, so that the possibility of blocking and clamping the lower gasket 7 and the valve body 4 is reduced; secondly, through the sliding connection between the limiting sliding chute 20 and the sliding rail 23, and the sliding connection between the sliding chute 21 and the sliding rod 13, the sliding block 11 slides on the rotating disc 1 in a translation manner, and then through the screwing connection between the screw 12 and the thread groove 18, and the rotating connection between the limiting rotary disc 19 and the rotating groove 22, so that the sliding block 11 drives the main shaft 6 to deviate from the center of the rotating disc 1, thereby increasing the distance between the main shaft 6 and the farthest point on the rotating disc 1, further increasing the force arm when the main shaft 6 is used, and enabling the main shaft 6 to rotate more laborsavingly.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. High performance anti-sticking energy-conserving butterfly valve of dying, third flange dish (14) including valve body (4) and valve body (4) both sides fixed connection, main shaft (6) are equipped with to valve body (4) endotheca, and main shaft (6) top fixedly connected with rolling disc (1), its characterized in that: the improved spindle is characterized in that a lower pressing plate (5) is fixedly connected to the outer side of the bottom of the spindle (6), an upper pressing plate (15) is slidably connected to the outer side of the spindle (6), clamping blocks (17) are arranged on one sides, close to each other, of the upper pressing plate (15) and the lower pressing plate (5), the upper pressing plate (15) is connected with the clamping blocks (17) on the lower pressing plate (5) in a staggered mode, and a rotating disc (1) is fixedly connected to the top end of the spindle (6).

2. The high performance anti-seize energy saving butterfly valve of claim 1, wherein: an upper gasket (16) is clamped between the upper pressure plate (15) and the main shaft (6), a lower gasket (7) is clamped between the lower pressure plate (5) and the main shaft (6), and an annular structure formed by mutually bonding the upper gasket (16) and the lower gasket (7) is attached to the inner wall of the valve body (4).

3. The high performance anti-seize energy saving butterfly valve of claim 1, wherein: the improved valve is characterized in that a sleeve (10) is arranged above the valve body (4), a compression spring (2) is sleeved in the sleeve (10), a first flange plate (3) is fixedly connected to the bottom end of the sleeve (10), a second flange plate (8) is fixedly connected to an opening at the top end of the valve body (4), and the first flange plate (3) is fixedly connected with the second flange plate (8) through bolts.

4. The high performance anti-seize energy saving butterfly valve of claim 3, wherein: fixedly connected with pressure disk (9) on main shaft (6), through compression spring (2) elastic connection between pressure disk (9) and sleeve (10).

5. The high performance anti-seize energy saving butterfly valve of claim 1, wherein: the rotating disc (1) is provided with a sliding rail (23), the outer side of the main shaft (6) is fixedly connected with a sliding block (11), the side surface of the sliding block (11) is provided with a limiting sliding groove (20), and the sliding rail (23) is in sliding connection with the limiting sliding groove (20).

6. The high performance anti-seize energy saving butterfly valve of claim 5, wherein: the rotary disc (1) is provided with a thread groove (18), and a screw rod (12) is connected in the thread groove (18) in a screwing mode.

7. The high performance anti-seize energy saving butterfly valve of claim 6, wherein: the screw rod (12) is fixedly connected with a limiting turntable (19), the sliding block (11) is provided with a rotating groove (22), and the rotating groove (22) is rotatably connected with the limiting turntable (19).

8. The high performance anti-seize energy saving butterfly valve of claim 5, wherein: the rotary disc (1) is provided with a sliding groove (21), the sliding block (11) is fixedly connected with a sliding rod (13), and the sliding rod (13) is in sliding connection with the sliding groove (21).