CN217003246U

CN217003246U - High-performance fluorine-lined check valve

Info

Publication number: CN217003246U
Application number: CN202220665062.4U
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: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-19
Anticipated expiration: 2032-03-24

Abstract

The utility model belongs to the field of check valves, in particular to a high-performance fluorine-lined check valve, which aims at solving the problems that the existing valve clack is generally arranged to slide up and down freely, the force for sliding the valve clack up and down can not be adjusted according to different media, the situation that the flow velocity of the media pushes the valve clack to impact a valve body too fast easily occurs, the structure is easy to loosen, and the check valve can not be closed manually, and the following proposal is provided, wherein the high-performance fluorine-lined check valve comprises a valve body, a water inlet channel and a water outlet channel which are respectively arranged at two sides of the valve body, the upper surface of the valve body is fixedly connected with a valve cover, the bottom of the valve cover is provided with a slide way, and the valve clack is movably connected in the slide way. The sealing performance of the check valve is improved.

Description

High-performance fluorine-lined check valve

Technical Field

The utility model relates to the technical field of check valves, in particular to a high-performance fluorine-lined check valve.

Background

The check valve is a valve whose opening and closing part is a circular valve clack and acts by its own weight and medium pressure to block the medium from flowing backwards, and belongs to the automatic valve class, also called check valve, one-way valve, backflow valve or isolation valve, and can be divided into lifting type and swing type according to the movement mode of the valve clack.

Although the existing check valve has the function of automatically blocking a medium, the valve clack is generally arranged to slide up and down freely, the force of the valve clack sliding up and down can not be adjusted according to different media, the situation that the medium flows to push the valve clack to impact a valve body too fast easily occurs, the structure is easy to loosen, and the check valve can not be closed manually, so that the high-performance fluorine-lined check valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, a valve clack is generally arranged to slide up and down freely, the force for sliding the valve clack up and down cannot be adjusted according to different media, the condition that the valve clack is pushed to impact a valve body due to too fast flow rate of the media is easy to occur, the structure is easy to loose, and the check valve cannot be closed manually, so that the high-performance fluorine-lined check valve is provided.

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

a high-performance fluorine-lined check valve comprises a valve body, a water inlet channel and a water outlet channel, wherein the water inlet channel and the water outlet channel are respectively arranged on two sides of the valve body, a valve cover is fixedly connected to the upper surface of the valve body, a slide way is arranged at the bottom of the valve cover, a valve clack is movably connected in the slide way, two first slide ways are arranged on one side of the circumference of the slide way, first slide blocks are movably connected in the two first slide ways, one side of the two first slide blocks is fixedly connected with a same push plate, a first threaded rod which penetrates through the upper surface of the valve cover is fixedly connected with a hand wheel, the bottom of the first threaded rod penetrates through the valve cover and is movably connected with the push plate, two second slide ways are arranged on one side of the circumference of the valve cover, second slide blocks are movably connected in the two second slide ways, one side of the two second slide blocks is fixedly connected with a same ring, and a spring is fixedly connected between the ring and the valve clack, the upper surface of the valve cover is movably connected with a penetrating second screw rod, and the bottom of the second screw rod penetrates through the valve cover and is in threaded connection with the circular ring.

Preferably, the circumference outer wall fixedly connected with two stopper of second screw rod, two the stopper is located the top and the below of ring respectively.

Preferably, a mounting groove is formed in the bottom of the valve cover, a sealing ring is arranged in the mounting groove, and the second screw penetrates through the sealing ring.

Preferably, the two first sliding grooves are symmetrically arranged by taking the center of the valve cover as an origin, and the two second sliding grooves are symmetrically arranged by taking the center of the valve cover as the origin.

Preferably, the bottom of the push plate is fixedly connected with a cushion pad.

Preferably, one side of the water inlet channel and one side of the water outlet channel are both fixedly connected with flanges.

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

1. through the setting of spring, second screw rod and ring, different media have different velocity of flow, can drive the ring through rotating the second screw rod and slide and then adjust spring's flexible degree, and then adjust the required dynamics of medium promotion valve clack, and the spring can provide certain cushioning effect for the valve clack simultaneously, avoids the medium velocity of flow to promote the valve clack striking valve body too fast, has guaranteed check valve structural stability.

2. Through the setting of first screw rod, hand wheel and push pedal for the check valve has had the function of manual closing, and the push pedal can play certain limiting displacement to the valve clack simultaneously, adjusts the flow of medium through the spacing to the valve clack, has increased the functionality of check valve.

3. Through the setting of sealing washer, push pedal and first slider, the sealing washer can avoid the medium to flow from the junction of second screw rod and valve gap, and push pedal and first slider and valve gap in close contact with can avoid the medium to flow from the junction of first screw rod and valve gap, have improved the leakproofness of check valve.

According to the utility model, the force required by the valve clack in up-and-down sliding can be adjusted, the stability of the check valve structure is improved, the check valve can be manually closed and the flow of a medium can be adjusted, the functionality of the check valve is increased, the check valve can be sealed, and the sealing property of the check valve is improved.

Drawings

FIG. 1 is a schematic diagram of a front view of a high performance fluorine-lined check valve according to the present invention;

FIG. 2 is a schematic cross-sectional front view of a high performance fluorine-lined check valve according to the present invention;

fig. 3 is a schematic top cross-sectional view of a high performance fluorine-lined check valve according to the present invention.

In the figure: 1. a valve body; 101. a water inlet channel; 102. a water outlet channel; 2. a valve cover; 201. a first chute; 202. a second chute; 3. a valve flap; 4. a flange; 5. a first screw; 6. a hand wheel; 7. pushing the plate; 8. a first slider; 9. a second screw; 10. a circular ring; 11. a second slider; 12. a limiting block; 13. a seal ring; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-3, a high-performance fluorine-lined check valve comprises a valve body 1, a water inlet channel 101 and a water outlet channel 102 which are respectively arranged on two sides of the valve body 1, a valve cover 2 is fixed on the upper surface of the valve body 1 through bolts, a slide way is arranged at the bottom of the valve cover 2, a valve clack 3 is connected in the slide way in a sliding way, two first slide ways 201 are arranged on one side of the circumference of the slide way, first slide blocks 8 are respectively connected in the two first slide ways 201 in a sliding way, the same push plate 7 is fixed on one side of the two first slide blocks 8 through bolts, a first penetrating screw rod 5 is connected on the upper surface of the valve cover 2 in a threaded way, a hand wheel 6 is fixed on the upper surface of the first screw rod 5 through bolts, the bottom of the first screw rod 5 penetrates through the valve cover 2 and is rotatably connected with the push plate 7, two second slide ways 202 are arranged on one side of the circumference of the valve cover 2, and second slide blocks 11 are respectively connected in the two second slide ways 202, one side of each of the two second sliding blocks 11 is fixedly provided with a same circular ring 10 through a bolt, a spring 14 is fixedly connected between the circular ring 10 and the valve clack 3, the upper surface of the valve cover 2 is rotatably connected with a penetrating second screw 9, and the bottom of the second screw 9 penetrates through the valve cover 2 and is in threaded connection with the circular ring 10.

Example two

Referring to fig. 1 to 3, the present invention provides a new technical solution: a high-performance fluorine-lined check valve comprises a valve body 1, a water inlet channel 101 and a water outlet channel 102 which are respectively arranged at two sides of the valve body 1, wherein one sides of the water inlet channel 101 and the water outlet channel 102 are fixedly connected with a flange 4, the flange 4 can facilitate the check valve to be connected with other pipelines, the check valve can be fixed through the flange 4 connection, the check valve can also be conveniently disassembled at the later stage, a valve cover 2 is fixed on the upper surface of the valve body 1 through bolts, a slide way is arranged at the bottom of the valve cover 2, a valve clack 3 is connected in the slide way in a sliding way, two first slide grooves 201 are arranged at one side of the circumference of the slide way, first slide blocks 8 are connected in the two first slide grooves 201 in a sliding way, one side of the two first slide blocks 8 is fixed with a same push plate 7 through bolts, a buffer cushion is fixedly connected at the bottom of the push plate 7, the buffer cushion can provide certain buffering for the valve clack 3, and the direct impact on the push plate 7 when the valve clack 3 is pushed up by a medium is avoided, the stability of the structure of the check valve is ensured, the upper surface of the valve cover 2 is in threaded connection with a first threaded rod 5 which penetrates through the upper surface of the valve cover 2, a hand wheel 6 is fixed on the upper surface of the first threaded rod 5 through a bolt, the bottom of the first threaded rod 5 penetrates through the valve cover 2 and is rotationally connected with the push plate 7, when the flow of a medium needs to be adjusted, the hand wheel 6 is rotated, the hand wheel 6 drives the first threaded rod 5 to further drive the push plate 7 to move, the height of the first threaded rod 5 is adjusted according to conditions, the hand wheel 6 stops rotating after the adjustment is finished, two second sliding grooves 202 are formed in one side of the circumference of the valve cover 2, the two first sliding grooves 201 are symmetrically arranged by taking the center of the valve cover 2 as an original point, the two second sliding grooves 202 are symmetrically arranged by taking the center of the valve cover 2 as an original point, the symmetric arrangement can enable the push plate 7 and the ring 10 to be subjected to balanced acting force during movement, the movement of the push plate 7 and the ring 10 is more stable, and the second sliding blocks 11 are connected in the two second sliding grooves 202 in a sliding manner, one side of the two second sliding blocks 11 is fixed with a same ring 10 through a bolt, a spring 14 is fixedly connected between the ring 10 and the valve clack 3, the upper surface of the valve cover 2 is rotatably connected with a through second screw 9, the bottom of the second screw 9 penetrates through the valve cover 2 and is in threaded connection with the ring 10, when the force required by the medium pushing the valve clack 3 needs to be adjusted, the second screw 9 is rotated, the second screw 9 drives the second sliding block 11 and further drives the ring 10 to move, the ring 10 drives the spring 14 to extend or shorten, after the adjustment is completed, the second screw 9 stops rotating, the circumferential outer wall of the second screw 9 is fixedly connected with two limiting blocks 12, the two limiting blocks 12 are respectively positioned above and below the ring 10, the limiting blocks 12 can limit the ring 10 to a certain degree, not only is the ring 10 prevented from moving downwards to separate from the second screw 9, but also the ring 10 is prevented from moving upwards to extrude the valve cover 2 to cause structural deformation, the mounting groove has been seted up to the bottom of valve gap 2, is equipped with sealing washer 13 in the mounting groove, and second screw rod 9 passes sealing washer 13, and sealing washer 13 can seal the junction of second screw rod 9 and valve gap 2, avoids the medium to flow out, improves the leakproofness of check valve.

The working principle is as follows: firstly, a medium flows into a valve body 1 through a water inlet channel 101, then a valve clack 3 is pushed to rise to avoid closing the valve body 1, then the medium flows out of a water outlet channel 102, when the water inlet channel 101 has no medium, the valve clack 3 falls down to close the valve body 1, the medium backflow of the water outlet channel 102 is prevented, when the force required by the medium for pushing the valve clack 3 needs to be adjusted, a second screw 9 is rotated, the second screw 9 drives a second sliding block 11 to drive a circular ring 10 to move, the circular ring 10 drives a spring 14 to extend or shorten, after the adjustment is completed, the second screw 9 stops rotating, when the flow of the medium needs to be adjusted, a hand wheel 6 is rotated, the hand wheel 6 drives a first screw 5 to drive a push plate 7 to move, the height of the first screw 5 is adjusted according to the situation, the hand wheel 6 stops rotating after the adjustment is completed, when the check valve needs to be manually closed, the hand wheel 6 is rotated to drive the push plate 7 to contact the valve clack 3, it is sufficient if the hand wheel 6 cannot be stopped when rotated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The utility model provides a high performance fluorine lining check valve, includes valve body (1) and sets up inhalant canal (101) and exhalant canal (102) in valve body (1) both sides respectively, its characterized in that, the last fixed surface of valve body (1) is connected with valve gap (2), and the slide has been seted up to the bottom of valve gap (2), and swing joint has valve clack (3) in the slide, two first spouts (201) have been seted up to one side of slide circumference, two equal swing joint has first slider (8) in first spout (201), two one side fixedly connected with same push pedal (7) of first slider (8), the last surface threaded connection of valve gap (2) has first screw rod (5) that run through, the last fixed surface of first screw rod (5) is connected with hand wheel (6), the bottom of first screw rod (5) passes valve gap (2) and push pedal (7) swing joint, two second spouts (202) have been seted up to one side of valve gap (2) circumference, two equal swing joint has second slider (11), two in second spout (202) one side fixedly connected with of second slider (11) is same ring (10), fixedly connected with spring (14) between ring (10) and valve clack (3), the upper surface swing joint of valve gap (2) has second screw rod (9) that run through, and the bottom of second screw rod (9) passes valve gap (2) and ring (10) threaded connection.

2. The high-performance fluorine-lined check valve according to claim 1, characterized in that two limit blocks (12) are fixedly connected to the circumferential outer wall of the second screw (9), and the two limit blocks (12) are respectively positioned above and below the circular ring (10).

3. The high-performance fluorine-lined check valve according to claim 1, wherein the bottom of the valve cover (2) is provided with a mounting groove, a sealing ring (13) is arranged in the mounting groove, and the second screw (9) penetrates through the sealing ring (13).

4. The high performance fluorine lined check valve according to claim 1, wherein two of said first sliding grooves (201) are symmetrically disposed with the center of the valve cap (2) as an origin, and two of said second sliding grooves (202) are symmetrically disposed with the center of the valve cap (2) as an origin.

5. A high performance fluorine lined check valve according to claim 1 wherein a cushion pad is fixedly attached to the bottom of said push plate (7).

6. The high-performance fluorine-lined check valve according to claim 1, wherein a flange (4) is fixedly connected to one side of each of the water inlet passage (101) and the water outlet passage (102).