CN218094444U

CN218094444U - Check valve capable of preventing valve clack from being damaged

Info

Publication number: CN218094444U
Application number: CN202221269781.0U
Authority: CN
Inventors: 鲍德平
Original assignee: Anhui Nuoyi Environmental Protection Technology Co ltd
Current assignee: Anhui Nuoyi Environmental Protection Technology Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-12-20
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to the technical field of valves, specifically a can prevent check valve that valve clack damaged, including the check valve body, the valve clack support is installed to the check valve body internal rotation, install the valve clack on the valve clack support, still can dismantle on the check valve body and install the valve gap, still include: the anti-collision mechanism is positioned in the check valve body and is detachably connected with the valve clack support; wherein, anticollision institution is including adjusting part and crashproof elastic strip, adjusting part with the check valve body is connected, installs crashproof elastic strip on the adjusting part, crashproof elastic strip with valve clack support separable connection, the utility model discloses can prevent the check valve that the valve clack damaged, can improve the cushioning effect when opening valve clack and valve clack support rotation, avoid the valve clack to take place great striking and damage with the inner wall of check valve body to can guarantee the normal work of check valve and the safe operation of unit, facilitate for the staff.

Description

Check valve capable of preventing valve clack from being damaged

Technical Field

The utility model relates to the technical field of valves, specifically a can prevent check valve that valve clack damaged.

Background

The check valve is a valve which is used for preventing the media from flowing backwards and is provided with a valve flap which is automatically opened and closed by the flowing of the media. The main functions of the check valve are to prevent the medium from flowing backwards, prevent the pump and the driving motor from rotating reversely, and discharge the container medium.

Present check valve, the structure is too traditional, in the use, the check valve open the position of spacing direct touchhing the valve body inner wall for the valve clack, consequently under pipeline fluid promotes, the valve clack directly strikes the valve body, after long-time operation valve clack makes a round trip to stand the striking, can cause the valve clack to warp, the valve clack drops even, can't play normal contrary effect of ending, influence the safe operation of unit, consequently, to above current situation, the urgent need develops a check valve that can prevent the valve clack damage, in order to overcome not enough in the current practical application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent check valve of valve clack damage to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a can prevent check valve that valve clack damaged, includes the check valve body, the valve clack support is installed to check valve body internal rotation, install the valve clack on the valve clack support, still can dismantle on the check valve body and install the valve gap, still include:

the anti-collision mechanism is positioned in the check valve body and is detachably connected with the valve clack support;

the anti-collision mechanism comprises an adjusting assembly and an anti-collision elastic strip, the adjusting assembly is connected with the check valve body, the anti-collision elastic strip is mounted on the adjusting assembly, and the anti-collision elastic strip is detachably connected with the valve clack support.

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

in the working process of the check valve, through the check valve body which is arranged, wherein two ends of the check valve body are connected with a pipeline in a flange connection mode, the pipeline is disconnected by the valve clack, when the pipeline is conducted, the valve clack can rotate anticlockwise along with the valve clack support, so that the check valve body is communicated, when the valve clack and the valve clack support rotate to the limit position, the valve clack can be contacted with an anti-collision elastic strip, wherein the anti-collision elastic strip can be made of elastic metal materials, a rubber pad is arranged on the side face of collision with the valve clack support, when the valve clack support is contacted with the anti-collision elastic strip, a buffering effect can be achieved, large impact on the inner wall of the check valve body is avoided, damage of the valve body is caused, and an adjusting assembly is arranged, the anti-collision elastic strip can be controlled by a worker, so that the impact force on the check valve body when the valve clack is opened can be according to the valve body, the radian of the anti-collision elastic strip is changed, when the radian of the anti-collision elastic strip is reduced, the deformation amount of the deformation when the anti-collision elastic strip is reduced when the valve body is contacted with the valve clack support, and the inner wall of the anti-collision elastic strip is reduced, and the normal operation of the check valve body is ensured, thereby the safe operation of the anti-collision valve.

Drawings

Fig. 1 is the schematic view of the sectional structure of the check valve body in the closed state.

Fig. 2 is the sectional structure schematic view of the main view of the open state of the check valve body of the present invention.

Fig. 3 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural view of a portion B in fig. 1 according to the present invention.

In the figure: 1-check valve body, 2-valve clack, 3-valve clack support, 4-anti-collision elastic strip, 5-adjusting thread block, 6-guiding slide plate, 7-push-pull slide plate, 8-adjusting rod, 9-positioning hole, 10-valve cover, 11-sealing filler, 12-adjusting screw, 13-driving rack, 14-transmission gear and 15-damping roller.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The following detailed description is provided to illustrate specific embodiments of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a check valve capable of preventing damage of a valve flap, including a check valve body 1, a valve flap support 3 is installed in the check valve body 1, a valve flap 2 is installed on the valve flap support 3, a valve cover 10 is also detachably installed on the check valve body 1, and the present invention further includes:

the anti-collision mechanism is positioned in the check valve body 1 and is detachably connected with the valve clack support 3;

the anti-collision mechanism comprises an adjusting assembly and an anti-collision elastic strip 4, the adjusting assembly is connected with the check valve body 1, the anti-collision elastic strip 4 is installed on the adjusting assembly, and the anti-collision elastic strip 4 is detachably connected with the valve clack support 3.

In the working process of the check valve, through the arranged check valve body 1, two ends of the check valve body 1 are connected with a pipeline in a flange connection mode, the pipeline is disconnected by the valve clack 2, when the pipeline is conducted, the valve clack 2 can rotate anticlockwise along with the valve clack support 3 so as to enable the check valve body 1 to be communicated, when the valve clack 2 and the valve clack support 3 rotate to the limit position, the valve clack can be contacted with the anti-collision elastic strip 4, wherein the anti-collision elastic strip 4 can be made of elastic metal materials, a rubber pad is arranged on the collision side face of the valve clack support 3, when the valve clack support 3 is contacted with the anti-collision elastic strip 4, a buffer effect can be achieved, the inner wall of the check valve body 1 is prevented from being greatly impacted, and the damage is caused, and through the arranged adjusting assembly, can be controlled by the staff, thereby can be according to the impact size to check valve body 1 when valve clack 2 opens, change crashproof elastic strip 4's radian, when crashproof elastic strip 4's radian diminishes, the deformation volume that takes place when it contacts with valve clack support 3 also can diminish, and because crashproof elastic strip 4 takes place when the radian changes, can change the time of valve clack support 3 and crashproof elastic strip 4 contact, thereby under both mating reaction, can improve the cushioning effect when rotating valve clack 2 and valve clack support 3 and opening, avoid valve clack 2 and check valve body 1's inner wall to take place great striking and damage, thereby can guarantee the normal work of check valve and the safe operation of unit, provide convenience for the staff.

In one embodiment of the present invention, referring to fig. 1-3, the adjusting assembly comprises:

the adjusting screw 12 is rotationally connected with the inner wall of the check valve body 1;

the adjusting screw block 5 is sleeved on the adjusting screw 12, and is in threaded connection with the adjusting screw 12;

the guide sliding plate 6 is connected with the inner wall of the check valve body 1, and is in sliding connection with the adjusting thread block 5; and

and the driving unit is respectively connected with the valve cover 10 and the adjusting screw 12.

The driving unit includes: the transmission gear 14 is positioned on the middle part of the adjusting screw 12;

the push-pull sliding plate 7 is arranged on the guide sliding plate 6 in a penetrating mode and is connected with the guide sliding plate 6 in a sliding mode, a driving rack 13 is further arranged on the push-pull sliding plate 7, and the driving rack 13 is meshed with the transmission gear 14; and

and one end of the adjusting rod 8 is connected with the push-pull sliding plate 7, and the other end of the adjusting rod 8 penetrates through the valve cover 10 and is in sliding connection with the valve cover 10.

Referring to fig. 1 and fig. 2, the method further includes: the sealing packing 11 is positioned on the valve cover 10 and is matched and connected with the adjusting rod 8; and

and the positioning holes 9 are formed in the adjusting rod 8 and the valve cover 10 respectively.

The adjusting rod 8 is pulled or pushed manually to generate the action of pushing force or pulling force on the push-pull sliding plate 7, so that the push-pull sliding plate 7 can move up and down in the guide sliding plate 6, the sealing effect is achieved through the arranged sealing filler 11, the leakage of high-pressure liquid is avoided, the adjusted adjusting rod 8 can be fixedly connected with the valve cover 10 through the positioning pin, the situation that the adjusting rod 8 shakes up and down or moves when the check valve works is avoided, the driving rack 13 can be driven to move synchronously in the process that the push-pull sliding plate 7 moves up and down, the adjusting screw 12 is driven to rotate through the transmission gear 14 under the meshing effect, the adjusting thread blocks 5 can move on the adjusting screw 12 under the thread transmission effect of the adjusting thread blocks 5 and the adjusting screw 12 and the limiting effect of the guide sliding plate 6, wherein the thread rotating directions of two sides of the adjusting screw 12 are opposite, so that the adjusting thread blocks 5 at two ends of the adjusting screw 12 can be driven to move towards the same direction or opposite directions, and the size of the anti-collision radian of the elastic strip 4 can be changed when the adjusting thread blocks 5 move.

In an embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 4, which further includes: and the damping roller 15 is rotatably arranged on the inner side wall of the check valve body 1 and is respectively in rolling connection with the valve clack 2 and the valve clack support 3.

Through the damping gyro wheel 15 that sets up, wherein the quantity of damping gyro wheel 15 is a plurality of, and evenly distributed is in the region of arc part on 1 inside wall of check valve body, thereby can be at valve clack 2 and valve clack support 3 pivoted in-process, all can contact with damping gyro wheel 15, at the in-process with damping gyro wheel 15 contact, can drive damping gyro wheel 15 and rotate, but because damping roller 15's damping effect, speed when can reduce valve clack 2 and valve clack support 3 and rotate, thereby can further improve the effect of anticollision.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "sliding", "rotating", "fixing", "providing", and the like are to be understood in a broad sense, and may be, for example, a welded connection, a bolted connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a can prevent check valve that valve clack damaged, includes the check valve body, the valve clack support is installed to check valve body internal rotation, install the valve clack on the valve clack support, still can dismantle on the check valve body and install the valve gap, its characterized in that still includes:

the anti-collision mechanism is positioned in the check valve body and is detachably connected with the valve clack bracket;

the anti-collision mechanism comprises an adjusting assembly and an anti-collision elastic strip, the adjusting assembly is connected with the check valve body, the anti-collision elastic strip is installed on the adjusting assembly, and the anti-collision elastic strip is detachably connected with the valve clack support.

2. The check valve of claim 1, wherein the adjustment assembly comprises:

the adjusting screw is rotationally connected with the inner wall of the check valve body;

the adjusting screw block is sleeved on the adjusting screw rod and is in threaded connection with the adjusting screw rod;

the guide sliding plate is connected with the inner wall of the check valve body and is in sliding connection with the adjusting thread block; and

and the driving unit is respectively connected with the valve cover and the adjusting screw rod.

3. The check valve capable of preventing damage to a valve flap according to claim 2, wherein the driving unit comprises:

the transmission gear is positioned on the middle part of the adjusting screw rod;

the push-pull sliding plate is arranged on the guide sliding plate in a penetrating mode and is connected with the guide sliding plate in a sliding mode, a driving rack is further arranged on the push-pull sliding plate, and the driving rack is connected with the transmission gear in a meshed mode; and

and one end of the adjusting rod is connected with the push-pull sliding plate, and the other end of the adjusting rod penetrates through the valve cover and is connected with the valve cover in a sliding manner.

4. The check valve of claim 3, further comprising: the sealing packing is positioned on the valve cover and is matched and connected with the adjusting rod; and

and the positioning holes are respectively formed in the adjusting rod and the valve cover.

5. The check valve capable of preventing damage to the valve flap according to any one of claims 1 to 4, further comprising: and the damping roller is rotatably arranged on the inner side wall of the check valve body and is respectively in rolling connection with the valve clack and the valve clack support.