CN213206661U

CN213206661U - Rubber lamella check valve with regulatory function

Info

Publication number: CN213206661U
Application number: CN202021712819.8U
Authority: CN
Inventors: 周文坤
Original assignee: Tiante Valve Manufacturing Tianjin Co ltd
Current assignee: Tiante Valve Manufacturing Tianjin Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-14
Anticipated expiration: 2030-08-17

Abstract

The utility model provides a rubber lamella check valve with regulatory function belongs to check valve technical field, including valve body, water inlet, delivery port and valve body roof, the water inlet is located the left side of valve body, and water inlet and valve body through connection, and the delivery port is located the right side of valve body, and delivery port and valve body through connection, and the top of valve body is equipped with the valve body roof. This kind of rubber lamella check valve with regulatory function passes through the improvement of structure, make this device when in-service use, through setting up the regulating plate control panel, regulating plate connecting rod and regulating plate, make this device reach the effect of adjusting the valve velocity of flow through indirect control rubber valve clack, the wearing and tearing consumption of rubber valve clack has been reduced, the maintenance cycle of rubber valve clack has been prolonged, and through setting up filter screen and filter screen bottom, make this device when meetting the condition such as granule impurity in the medium, be difficult to influence the seal of rubber valve clack, and then there is not the backward flow risk, therefore, the clothes hanger is strong in practicability.

Description

Rubber lamella check valve with regulatory function

Technical Field

The utility model relates to a check valve technical field specifically is a rubber lamella check valve with regulatory function.

Background

The check valve is a valve whose opening and closing part is a circular valve clack and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve.

However, the existing rubber flap check valve with the adjusting function is single in structural design, when the existing device is used, the existing device achieves the effect of adjusting the flow rate of the valve through the direct control rubber valve flap, the direct control rubber valve flap is easy to accelerate the abrasion of the rubber valve flap, the maintenance period of the rubber valve flap is shortened, the existing device can only be used for cleaning media, when the media contain particle impurities, the airtightness of the rubber valve flap is easy to influence, then the backflow risk exists, and the rubber flap check valve is not beneficial to practical use.

Accordingly, there is a need for upgrading and retrofitting existing rubber flap check valves with tuning features to overcome existing problems and deficiencies.

Disclosure of Invention

The utility model aims to solve the problems that the prior rubber flap check valve with the adjusting function has single structural design, when the prior device is used, the prior device achieves the effect of adjusting the flow rate of the valve by directly controlling the rubber valve flap, the direct control rubber valve flap is easy to accelerate the abrasion of the rubber valve flap, the maintenance period of the rubber valve flap is shortened, the prior device can only be used for cleaning media, when the media contain particle impurities, the tightness of the rubber valve flap is easy to be influenced, further the backflow risk exists, and the actual use is not facilitated, the utility model provides a rubber flap check valve with the adjusting function, when the device is actually used, the device achieves the effect of adjusting the flow rate of the valve by indirectly controlling the rubber valve flap, and reduces the abrasion consumption of the rubber valve flap by arranging an adjusting plate control panel, an adjusting plate connecting rod, an adjusting plate, a filter screen and a filter screen bottom, the maintenance cycle of rubber valve clack has been prolonged, and this device is when meetting the condition such as granule impurity in the medium, is difficult to influence the seal of rubber valve clack, and then does not have the backward flow risk, and the practicality is strong.

In order to achieve the above object, the utility model provides a rubber flap check valve with adjusting function, which comprises a valve body, a water inlet, a water outlet and a valve body top plate, wherein the water inlet is arranged at the left side of the valve body, the water inlet is communicated with the valve body, the water outlet is arranged at the right side of the valve body, the water outlet is communicated with the valve body, the top of the valve body is provided with the valve body top plate, the two sides of the valve body top plate are respectively provided with a top plate fixing screw, the inner side of the valve body is provided with a buffer cushion, the buffer cushion is fixedly connected with the valve body, the upper end of the valve body top plate is provided with an adjusting plate base, the upper end of the adjusting plate base is provided with an adjusting plate control panel, the adjusting plate control panel is movably connected with the adjusting plate base, the bottom, and regulating plate connecting rod fixed connection, the left downside of valve body roof is equipped with the valve clack connecting block, and valve clack connecting block and valve body roof fixed connection, one side of valve clack connecting block is equipped with the rubber valve clack, and rubber valve clack and valve clack connecting block swing joint, the left side of valve body is equipped with the filter screen, and the bottom of filter screen is equipped with the filter screen base to filter screen base and filter screen fixed connection, the bottom of filter screen base is equipped with the filter screen bottom, and filter screen bottom and filter screen base fixed connection, the bottom of regulating plate control panel is equipped with the transmission shaft, and transmission shaft and regulating plate.

Preferably, one end of the rubber valve clack is provided with a valve clack mounting hole, the valve clack mounting hole is in through connection with the rubber valve clack, a valve clack inner core is arranged on the inner side of the rubber valve clack, and a valve clack rubber sleeve is arranged on the outer side of the valve clack inner core.

Preferably, the bottom of filter screen is equipped with filter screen fixed screw, and filter screen fixed screw is total 2 to 2 filter screen fixed screws equidistance distribute in the left and right sides of filter screen.

Preferably, the adjusting plate is integrally rectangular, and the adjusting plate and the rubber valve clack are arranged in parallel.

Preferably, the number of the buffer pads is 2, and the line distance between the 2 buffer pads is parallel to the rubber valve clack.

Preferably, the number of the top plate fixing screws is 2, and the 2 top plate fixing screws are symmetrically arranged on the left side and the right side of the top plate of the valve body by taking the top plate of the valve body as a central line.

Preferably, the filter screen is wholly rectangular, and the filter screen and the water inlet are arranged in parallel.

Has the advantages that:

(1) this kind of rubber lamella check valve with regulatory function passes through the improvement of structure, make this device when in-service use, through setting up the regulating plate control panel, regulating plate connecting rod and regulating plate, make this device reach the effect of adjusting the valve velocity of flow through indirect control rubber valve clack, the wearing and tearing consumption of rubber valve clack has been reduced, the maintenance cycle of rubber valve clack has been prolonged, and through setting up filter screen and filter screen bottom, make this device when meetting the condition such as granule impurity in the medium, be difficult to influence the seal of rubber valve clack, and then there is not the backward flow risk, therefore, the clothes hanger is strong in practicability.

(2) The rubber flap check valve with the adjusting function has the advantages that: through the control regulating plate control panel, it is flexible to make the inside transmission shaft of regulating plate control panel drive regulating plate base rotate, the transmission shaft passes through the regulating plate connecting rod afterwards and drives the regulating plate flexible, when the medium passes through water inlet inflow device inside, the rubber valve clack is pushed open by medium self impact force, make the medium pass through the delivery port and flow, because the regulating plate is located the top of rubber valve clack, make the regulating plate can restrict the size that opens and shuts of rubber valve clack, thereby play the effect of the regulation velocity of flow, the regulating plate can not the direct control rubber valve clack's the state that opens and shuts simultaneously, can only play the effect of restriction rubber valve clack, and then make this device reach the effect of regulating valve velocity of flow through indirect control rubber valve cla.

(3) Secondly, the method comprises the following steps: because the filter screen sets up the inboard at the water inlet, when the medium flowed in from the water inlet, the filter screen can filter the interception with the granule impurity in the medium, avoid granule impurity to block up and cause the influence in the leakproofness of rubber valve clack bottom to the rubber valve clack, when needs clearance filter screen, through dismantling the fixed screw on filter screen bottom surface, after that take out the filter screen through extracting the filter screen bottom and clear up in succession, and then make this device when meetting the condition such as granule impurity in the medium, be difficult to influence the seal of rubber valve clack, do not have the backward flow risk.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the adjusting plate base structure of the present invention.

Fig. 3 is a schematic diagram of the rubber valve flap structure of the present invention.

Fig. 4 is an enlarged schematic view of fig. 1A.

In FIGS. 1-4: 1. a valve body; 2. a water inlet; 3. a water outlet; 4. a valve body top plate; 5. a top plate fixing screw; 6. a cushion pad; 7. an adjusting plate base; 8. an adjusting plate control panel; 9. an adjusting plate connecting rod; 10. an adjusting plate; 11. a rubber valve flap; 12. a valve clack connecting block; 13. a filter screen; 14. a filter screen bottom cover; 15. a filter screen base; 16. a drive shaft; 17. a valve clack inner core; 18. a valve flap mounting hole; 19. a valve clack rubber sleeve; 20. and a filter screen fixing screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Example (b):

with reference to the figures 1-4 of the drawings,

the rubber flap check valve with the adjusting function provided by the embodiment comprises a valve body 1, a water inlet 2, a water outlet 3 and a valve body top plate 4, wherein the water inlet 2 is positioned at the left side of the valve body 1, the water inlet 2 is communicated with the valve body 1, the water outlet 3 is positioned at the right side of the valve body 1, the water outlet 3 is communicated with the valve body 1, the valve body top plate 4 is arranged at the top of the valve body 1, top plate fixing screws 5 are respectively arranged at two sides of the valve body top plate 4, a buffer cushion 6 is arranged at the inner side of the valve body 1, the buffer cushion 6 is fixedly connected with the valve body 1, an adjusting plate base 7 is arranged at the upper end of the valve body top plate 4, an adjusting plate control plate 8 is arranged at the upper end of the adjusting plate base 7, the adjusting plate control plate 8 is movably connected, regulating plate connecting rod 9's bottom is equipped with regulating plate 10, and regulating plate 10 and regulating plate connecting rod 9 fixed connection, the left downside of valve body roof 4 is equipped with valve clack connecting block 12, and valve

clack connecting block

12 and 4 fixed connection of valve body roof, one side of valve clack connecting block 12 is equipped with rubber valve clack 11, and

rubber valve clack

11 and 12 swing joint of valve clack connecting block, the left side of valve body 1 is equipped with filter screen 13, and filter screen 13's bottom is equipped with filter screen base 15, and filter screen base 15 and filter screen 13 fixed connection, filter screen base 15's bottom is equipped with filter screen bottom 14, and

filter screen bottom

14 and 15 fixed connection of filter screen base, regulating plate control panel 8's bottom is equipped with transmission shaft 16.

Further, one end of the rubber valve flap 11 is provided with a valve flap mounting hole 18, the valve flap mounting hole 18 is communicated with the rubber valve flap 11, the inner side of the rubber valve flap 11 is provided with a valve flap inner core 17, and the outer side of the valve flap inner core 17 is provided with a valve flap rubber sleeve 19;

in this embodiment, through this kind of design, make rubber valve flap 11 install on valve flap connecting block 12 surface through valve flap mounting hole 18, valve flap inner core 17 plays the holistic effect of support rubber valve flap 11 afterwards, and valve flap rubber sleeve 19 covers and plays the effect of protection valve flap inner core 17 in valve flap inner core 17 outside, avoids valve flap inner core 17 to receive the erosion of circulation medium.

Further, the bottom of the filter screen 13 is provided with filter screen fixing screws 20, and the number of the filter screen fixing screws 20 is 2, and the 2 filter screen fixing screws 20 are equidistantly distributed on the left side and the right side of the filter screen 13;

in this embodiment, because the bottom of filter screen 13 is equipped with filter screen fixed screw 20, and filter screen fixed screw 20 is total 2 to 2 filter screen fixed screws 20 equidistance distribute in the left and right sides of filter screen 13, and then make 2 filter screen fixed screws 20 can play the effect of strengthening the stability of being connected between filter screen 13 and the filter screen base 15, avoid filter screen 13 to drop from the upper end of filter screen base 15.

Furthermore, the whole adjusting plate 10 is rectangular, and the adjusting plate 10 and the rubber valve flap 11 are arranged in parallel;

in this embodiment, because regulating plate 10 is whole to be the rectangle, and is parallel arrangement between regulating plate 10 and the rubber valve clack 11, and then makes rubber valve clack 11 when being broken away by medium impact force by regulating plate 10 spacing, the area of contact between regulating plate 10 and the rubber valve clack 11 is wider, makes regulating plate 10 more comprehensive to the point of application of force of rubber valve clack 11, avoids the whole deformation damage that produces of rubber valve clack 11.

Furthermore, the number of the cushion pads 6 is 2, and the line distance between the 2 cushion pads 6 is parallel to the rubber valve clack 11;

in this embodiment, because 2 total of blotter 6, and be parallel arrangement between 2 linear distance between the blotter 6 and the rubber valve clack 11, and then make rubber valve clack 11 when the medium that prevents delivery port one side flows back, the pressure that 11 received of rubber valve clack 11 can more even sharing of 2 blotters 6 avoids the collision of rubber valve clack 11 to cause the damage at 1 inner wall of valve body.

Furthermore, the number of the top plate fixing screws 5 is 2, and the 2 top plate fixing screws 5 are symmetrically arranged on the left side and the right side of the valve body top plate 4 by taking the valve body top plate 4 as a central line;

in this embodiment, because roof fixed screw 5 is total 2, and 2 roof fixed screws 5 use valve body roof 4 to set up the left and right sides at valve body roof 4 as the central line symmetry, and then make roof fixed screw 5 more even to the point of application of force of valve body roof 4, have strengthened the stability of being connected between valve body roof 4 and the valve body 1.

Further, the filter screen 13 is rectangular as a whole, and the filter screen 13 and the water inlet 2 are arranged in parallel;

in this embodiment, because filter screen 13 is whole to be the rectangle, and is parallel arrangement between filter screen 13 and the water inlet 2, and then makes the contact surface between medium and the filter screen 13 that flows in from water inlet 2 more comprehensive, avoids filter screen 13 excessively to influence the velocity of flow of medium in water inlet 2 inside.

The working principle is as follows:

when using the rubber flap check valve with regulatory function that this embodiment provided, check the fastening nature of connecting between each part of this device earlier, later through control regulating board control panel 8, make regulating board control panel 8 drive the inside transmission shaft 16 of regulating board base 7 and rotate and stretch, transmission shaft 16 drives regulating board 10 through regulating board connecting rod 9 and stretches out and draws back, when the medium flows into the device inside through water inlet 2, rubber valve flap 11 is pushed open by medium self impact force, make the medium flow out through delivery port 3, because regulating board 10 is located the top of rubber valve flap 11, make regulating board 10 can restrict the size that opens and shuts of rubber valve flap 11, thereby play the effect of regulating the velocity of flow, regulating board 10 can not direct control the state that opens and shuts of rubber valve flap 11 simultaneously, can only play the effect of restricting rubber valve flap 11, and then make this device reach the effect of regulating the valve velocity of flow through indirect control rubber valve, reduced rubber valve clack 11's wearing and tearing consumption, rubber valve clack 11's maintenance cycle has been prolonged, afterwards, because filter screen 13 sets up the inboard at water inlet 2, when the medium flowed into from water inlet 2, filter screen 13 can filter the interception with the granule impurity in the medium, avoid granule impurity to block up and cause the influence in the leakproofness of rubber valve clack 11 bottom to rubber valve clack 11, when needs clearance filter screen 13, through dismantling the fixed screw on filter screen bottom 14 surface, after that take out filter screen bottom 14 with filter screen 13 together and take out the clearance, and then make this device when meetting the circumstances such as granule impurity in the medium, be difficult to influence the seal of rubber valve clack, do not have the backward flow risk.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rubber flap check valve with an adjusting function comprises a valve body (1), a water inlet (2), a water outlet (3) and a valve body top plate (4), and is characterized in that the water inlet (2) is located on the left side of the valve body (1), the water inlet (2) is in through connection with the valve body (1), the water outlet (3) is located on the right side of the valve body (1), the water outlet (3) is in through connection with the valve body (1), the valve body top plate (4) is arranged at the top of the valve body (1), top plate fixing screws (5) are arranged on two sides of the valve body top plate (4), a cushion pad (6) is arranged on the inner side of the valve body (1), the cushion pad (6) is fixedly connected with the valve body (1), an adjusting plate base (7) is arranged at the upper end of the valve body top plate (4), an adjusting plate (8) is arranged at the upper end of the adjusting plate base (7), and the, the bottom of regulating plate base (7) is equipped with regulating plate connecting rod (9), and regulating plate connecting rod (9) and regulating plate base (7) swing joint, the bottom of regulating plate connecting rod (9) is equipped with regulating plate (10), and regulating plate (10) and regulating plate connecting rod (9) fixed connection, the left downside of valve body roof (4) is equipped with valve clack connecting block (12), and valve clack connecting block (12) and valve body roof (4) fixed connection, one side of valve clack connecting block (12) is equipped with rubber valve clack (11), and rubber valve clack (11) and valve clack connecting block (12) swing joint, the left side of valve body (1) is equipped with filter screen (13), and the bottom of filter screen (13) is equipped with filter screen base (15) to filter screen base (15) and filter screen (13) fixed connection, the bottom of filter screen base (15) is equipped with filter screen bottom, and filter screen bottom cover (14) and filter screen base (15) fixed connection, the bottom of regulating plate control panel (8) is equipped with transmission shaft (16), and transmission shaft (16) and regulating plate control panel (8) fixed connection.

2. The rubber flap check valve with the adjusting function according to claim 1, wherein one end of the rubber valve flap (11) is provided with a flap mounting hole (18), the flap mounting hole (18) is connected with the rubber valve flap (11) in a penetrating manner, the inner side of the rubber valve flap (11) is provided with a flap inner core (17), and the outer side of the flap inner core (17) is provided with a flap rubber sleeve (19).

3. The rubber flap check valve with adjusting function of claim 1, characterized in that the bottom of the filter screen (13) is provided with filter screen fixing screws (20), and the number of the filter screen fixing screws (20) is 2, and the 2 filter screen fixing screws (20) are equidistantly distributed on the left and right sides of the filter screen (13).

4. The rubber flap check valve with an adjusting function according to claim 1, wherein the adjusting plate (10) is rectangular as a whole, and the adjusting plate (10) and the rubber flap (11) are arranged in parallel.

5. The rubber flap check valve with an adjusting function according to claim 1, wherein the number of the buffer pads (6) is 2, and a line distance between the 2 buffer pads (6) is parallel to the rubber flap (11).

6. The rubber flap check valve with an adjusting function according to claim 1, wherein the number of the top plate fixing screws (5) is 2 in total, and the 2 top plate fixing screws (5) are symmetrically disposed on the left and right sides of the valve body top plate (4) with the valve body top plate (4) as a center line.

7. The rubber flap check valve with adjusting function according to claim 1, characterized in that the filter net (13) is rectangular as a whole, and the filter net (13) is arranged in parallel with the water inlet (2).