CN212986141U

CN212986141U - Novel one-way valve

Info

Publication number: CN212986141U
Application number: CN202021541230.6U
Authority: CN
Inventors: 马新有
Original assignee: Sichuan Tuolitai Industrial Equipment Manufacturing Co ltd
Current assignee: Sichuan Tuolitai Industrial Equipment Manufacturing Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-16
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to the technical field of valve manufacturing, and discloses a novel one-way valve, which comprises a valve casing, wherein the left side of the valve casing is fixedly connected with a fixed joint, the left side of the fixed joint is fixedly provided with a water inlet pipe head, the left side of the valve casing is provided with a water inlet hole, the inner wall of the water inlet hole is fixedly provided with a ring seat, the inner wall of the ring seat is fixedly connected with a damping ring, the left side of the inner wall of the valve casing is fixedly provided with a fixed plate, the bottom end of the fixed plate is movably connected with a connecting plate, the bottom end of the connecting plate is fixedly connected with a valve clack, the novel one-way valve is characterized in that the fixed plate is penetrated on a limit bolt and a nut is screwed on the fixed plate to complete the installation of the valve clack, a rotating slow flow pipe can be installed or taken down from the limit joint, the fixed screws of a knob, the effect of prolonging the service life of the valve clack is achieved.

Description

Novel one-way valve

Technical Field

The utility model relates to a valve manufacturing technical field specifically is a novel one-way valve.

Background

The check valve is a valve that automatically opens and closes a valve flap depending on the flow of a medium itself to prevent the backflow of the medium, and is also called a check valve, a reverse flow valve, and a back pressure valve. The check valve is an automatic valve, and mainly has the functions of preventing medium from flowing backwards, preventing reverse rotation of the pump and the driving motor, and preventing medium from being discharged from a container to prevent accidents. Typically, the fluid under pressure causes the valve flap to open and flow from the inlet side to the outlet side. When the pressure at the inlet side is lower than that at the outlet side, the valve clack automatically closes the passage under the action of the fluid pressure and the gravity of the valve clack, so that the fluid is prevented from flowing backwards.

At present current ordinary check valve relies on slice and globular valve clack to prevent the liquid backward flow, but all has a general problem, closes in the moment when the influent stream end valve clack can be collided by the end liquid of effluenting, and valve clack or influent stream port can damage under long-time impact effect, influences sealed effect, and in the twinkling of an eye is flowed down to the influent stream end in addition, the water pipe internal reflux can be to producing great impact sound because of inertia.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel one-way valve, possess easy to assemble dismantle and change, extension valve clack long service life, advantage such as end noise, solved valve clack or influent stream port and can damage under long-time impact, influence sealed effect, in the twinkling of an eye in the influent stream end outage in addition, the problem of the intraductal backward flow of water can be to producing great impact sound because of inertia.

(II) technical scheme

For realize above-mentioned easy to assemble dismantle and change, extension valve clack long service life, end purpose of making an uproar, the utility model provides a following technical scheme: a novel one-way valve comprises a valve casing, wherein a fixed joint is fixedly connected to the left side of the valve casing, a water inlet pipe head is fixedly mounted to the left side of the fixed joint, a water inlet hole is formed in the left side of the valve casing, a ring seat is fixedly mounted to the inner wall of the water inlet hole, a damping ring is fixedly connected to the inner wall of the ring seat, a fixed plate is fixedly mounted to the left side of the inner wall of the valve casing, a connecting plate is movably connected to the bottom end of the fixed plate, a valve clack is fixedly connected to the bottom end of the connecting plate, a limiting bolt is fixedly connected to the inner wall of the left side of the valve casing, an installation hole is formed in the top end of the valve casing, a sealing layer is fixedly mounted to the top end of the valve casing, a valve cover, the top end and the bottom end of the inner wall of the slow flow pipe are both provided with a backflow groove, and the front side of the inner wall of the slow flow pipe is provided with a stop block;

the hinge joint of connecting plate and fixed plate has the torsional spring, the positive fixed mounting of fixed plate has the hinge attenuator.

Preferably, the screw has been seted up on the valve casing top, through screw and valve gap fixed connection, the fixed joint inner wall is provided with the screw thread, the outer wall of water inlet tube head right side is provided with the screw thread, with fixed joint looks adaptation, installs and dismantles through knob water inlet tube head, convenient clean inlet opening.

Preferably, the inlet opening and the adaptation of ring seat looks, the ring seat can be taken off and clean, the ring opening and the valve clack looks adaptation of shock attenuation ring, shock attenuation ring are elastic material, and the impact effect of buffering valve clack to the inlet opening prolongs valve clack life and protects the inlet opening not damaged, connecting plate top end fixedly connected with is spacing pivot, and the valve clack can be installed with the fixed plate is whole and dismantle, convenient clean change and maintenance.

Preferably, two through-holes, aperture and spacing bolt looks adaptation have openly been seted up to the fixed plate, the fixed plate passes through spacing bolt and two nuts and valve casing fixed connection, and the valve casing top is equipped with the spacing groove, with sealing layer looks adaptation, the valve gap passes through screw and valve casing fixed connection, opens the valve gap and can take off the sealing layer, cleans valve casing inner wall and inner structure.

Preferably, the unhurried current pipe passes through screw thread and spacing joint fixed connection, unhurried current pipe's mouth of pipe diameter and spacing joint looks adaptation, unhurried current pipe can be taken off from spacing joint and change the cleanness, the mouth-end inner wall of play water tube head and water tube head has all been seted up and has been connect the hole, is connected with the pipeline.

Preferably, the backward flow groove quantity is four, and two liang are a set of to the horizontal centerline symmetric distribution of unhurried current pipe, the backward flow groove is D shape, to the one end slope that is close to the inlet opening, when the end of intaking cuts off the water, the water outlet end rivers can flow back, and some water of backward flow can get into the backward flow groove under the reposition of redundant personnel effect of dog, leads back apopore direction through the backward flow groove.

Preferably, torsional spring one end and fixed plate fixed connection, the other end and the connecting plate fixed connection of torsional spring, the torsional spring keeps the valve clack closed when the end of intaking does not have water pressure, hinge damper and the spacing axle fixed connection of connecting plate, when the valve clack resets when the inlet opening water pressure was when jacking up the valve clack and when breaking off, the valve clack can rotate more slowly under the hinge damper effect, prevents to strike and damage the valve clack under water pressure is too big and long-time impact action.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel one-way valve possesses following beneficial effect:

1. this novel check valve through wear the fixed plate on spacing bolt and the installation that the valve clack can be accomplished to the nut of screwing on, can install or take off it from spacing joint through rotatory unhurried current pipe, can be clean and take off and install valve clack and slow flow tube to the valve casing inner wall through the set screw of knob valve gap and valve casing to reached easy to assemble dismantlement and clear effect.

2. This novel check valve can prevent through the drainage of backward flow groove and dog and reposition of redundant personnel effect that the water that the apopore backward flow in the twinkling of an eye from strikeing the valve clack in the break, and torsional spring and hinge damper prevent simultaneously that inlet opening water pressure from strikeing the valve clack and damaging too fast, and hinge damper can prevent effectively in addition that pipeline water pressure is unstable and cause the valve clack to make a round trip to rotate too fast many times and strike loss life to the effect that improves valve clack life has been reached.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a side view, sectional structural view of the check valve of the present invention;

fig. 5 is the overall structure schematic diagram of the one-way valve of the present invention.

In the figure: 1. a valve housing; 2. fixing the joint; 3. a water inlet pipe head; 4. a water inlet hole; 5. a shock-absorbing ring; 6. a ring seat; 7. a valve flap; 8. a connecting plate; 9. a fixing plate; 10. a limit bolt; 11. mounting holes; 12. A sealing layer; 13. a valve cover; 14. a slow flow pipe; 15. a limiting joint; 16. a water outlet pipe head; 17. a water outlet hole; 18. a reflux tank; 19. a stopper; 20. a torsion spring; 21. hinge damper.

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.

Referring to fig. 1-3, a novel one-way valve comprises a valve housing 1, a fixed joint 2 is fixedly connected to the left side of the valve housing 1, a water inlet pipe head 3 is fixedly installed on the left side of the fixed joint 2, a water inlet hole 4 is formed on the left side of the valve housing 1, a screw hole is formed in the top end of the valve housing 1 and is fixedly connected with a valve cover 13 through a screw, threads are formed on the inner wall of the fixed joint 2, threads are formed on the outer wall of the right side of the water inlet pipe head 3 and are matched with the fixed joint 2, the water inlet hole 4 is convenient to clean by installing and disassembling the water inlet pipe head 3 through a knob, a ring seat 6 is fixedly installed on the inner wall of the water inlet hole 4, a damping ring 5 is fixedly connected to the inner wall of the ring seat 6, a fixed plate 9 is fixedly installed on the left side of the, the bottom end of the fixing plate 9 is movably connected with a connecting plate 8, the bottom end of the connecting plate 8 is fixedly connected with a valve clack 7, a water inlet 4 is matched with a ring seat 6, the ring seat 6 can be taken down for cleaning, a ring opening of the shock absorption ring 5 is matched with the valve clack 7, the shock absorption ring 5 is made of elastic material, the impact effect of the valve clack 7 on the water inlet 4 is buffered, the service life of the valve clack 7 is prolonged, and the water inlet 4 is protected from being damaged, the top end of the connecting plate 8 is fixedly connected with a limiting rotating shaft, the valve clack 7 can be integrally installed and disassembled with the fixing plate 9, the cleaning, the replacement and the maintenance are convenient, the inner wall at the left side of the valve casing 1 is fixedly connected with a limiting bolt 10, the top end of the valve casing 1 is provided with an installation hole 11, the top end, the sealing layer 12 can be taken down by opening the valve cover 13, the inner wall and the internal structure of the valve casing 1 are cleaned, the bottom of the inner wall of the valve casing 1 is fixedly provided with the slow flow pipe 14, the inner wall of the right side of the valve casing 1 is fixedly connected with the limit joint 15 through threads, the diameter of the orifice of the slow flow pipe 14 is matched with the limit joint 15, the slow flow pipe 14 can be taken down from the limit joint 15 for replacement and cleaning, the inner walls of the interface ends of the water outlet pipe head 16 and the water inlet pipe head 3 are both provided with connecting holes and connected with a pipeline, the right side of the valve casing 1 is fixedly connected with the water outlet pipe head 16, the right side of the inner wall of the valve casing 1 is provided with a water outlet hole 17, the top end and the bottom end of the inner wall of the slow flow pipe 14 are both provided with backflow grooves 18, the front surface of the inner wall of the slow, the water outlet end is inclined towards one end close to the water inlet hole 4, when the water inlet end is cut off, water flow at the water outlet end can flow back, part of the water flowing back can enter the backflow groove 18 under the shunting action of the stop block 19 and is guided back to the direction of the water outlet hole 17 through the backflow groove 18;

referring to fig. 4-5, a torsional spring 20 is movably connected to a hinge joint between the connecting plate 8 and the fixing plate 9, a hinge damper 21 is fixedly mounted on the front surface of the fixing plate 9, one end of the torsional spring 20 is fixedly connected to the fixing plate 9, the other end of the torsional spring 20 is fixedly connected to the connecting plate 8, the torsional spring 20 keeps the valve flap 7 closed when the water inlet end has no water pressure, the hinge damper 21 is fixedly connected to a limit shaft of the connecting plate 8, and when the valve flap 7 is jacked up by the water pressure of the water inlet hole 4 and is reset when the water flap 7 is cut off, the valve flap 7 can rotate slowly under the action of the hinge damper 21, so that the valve flap 7 is prevented.

The working principle is that a limit bolt 10 penetrates through a fixing plate 9, a nut is screwed on, a slow flow pipe 14 is screwed on a limit joint 15, a sealing layer 12 is covered, a valve cover 13 is screwed on the sealing layer 12 to tightly press the periphery of a mounting hole 11, then a ring seat 6 is placed in a water inlet hole 4, the ring opening of a damping ring 5 is aligned with a valve flap 7, a water inlet pipe head 3 is screwed into a fixing joint 2, the ring seat 6 and the damping ring 5 are fixed, a one-way valve is connected into a pipeline through a water inlet pipe head 3 and a water outlet pipe head 16, after water is connected, when water pressure pushes the valve flap 7 to open the water flow to enter a valve shell 1 and the water passes through the slow flow pipe 14, a stop block 19 diverts a part of the water flow and guides the water flow into a backflow groove 18, the backflow groove 18 guides the part of the water flow back to the water inlet direction, when the water inlet end is cut off, the valve flap 7 cannot be damaged under the buffering action of the damping, in addition, the water flow returned from the water outlet hole 17 at the moment of flow interruption can be partially guided into the return groove 18 through the flow dividing effect of the stop block 19, and the partial water flow is guided back to the direction of the water outlet hole 17, so that the returned water is prevented from impacting the valve clack 7 to cause damage through slow flow.

In summary, the novel one-way valve can be used for completing the installation of the valve flap 7 by penetrating the fixing plate 9 on the limiting bolt 10 and screwing the nut, can be installed or taken down from the limiting joint 15 by rotating the slow flow pipe 14, and can be used for cleaning the inner wall of the valve casing 1 and taking down and installing the valve flap 7 and the slow flow pipe 14 by fixing screws of the knob valve cover 13 and the valve casing 1, so that the effects of convenient installation, disassembly and cleaning are achieved; this novel check valve, the water that can prevent the instantaneous apopore 17 backward flow of the outage through the drainage of backward flow groove 18 and dog 19 and reposition of redundant personnel effect strikes valve clack 7, torsional spring 20 and hinge attenuator 21 prevent simultaneously that 4 water pressure of inlet opening from assaulting valve clack 7 and damaging too fast, hinge attenuator 21 can prevent effectively in addition that pipeline water pressure is unstable and cause 7 reciprocating motion of valve clack to assault many times the loss of life too fast to the effect that improves 7 life of valve clack has been reached.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel one-way valve, including valve casing (1), its characterized in that: the improved water-saving valve is characterized in that a valve casing (1) is fixedly connected with a fixed joint (2) on the left side, the fixed joint (2) is fixedly provided with a water inlet pipe head (3) on the left side, a water inlet hole (4) is formed in the left side of the valve casing (1), a ring seat (6) is fixedly connected with a ring seat (6) on the inner wall of the ring seat (6), a fixed plate (9) is fixedly arranged on the left side of the inner wall of the valve casing (1), a connecting plate (8) is movably connected with the bottom end of the fixed plate (9), a valve clack (7) is fixedly connected with the bottom end of the connecting plate (8), a limit bolt (10) is fixedly connected with the inner wall on the left side of the valve casing (1), a mounting hole (11) is formed in the top end of the valve casing (, a flow-slowing tube (14) is fixedly installed at the bottom of the inner wall of the valve casing (1), a limiting joint (15) is fixedly connected with the inner wall of the right side of the valve casing (1), a water outlet tube head (16) is fixedly connected with the right side of the valve casing (1), a water outlet hole (17) is formed in the right side of the inner wall of the valve casing (1), backflow grooves (18) are formed in the top end and the bottom end of the inner wall of the flow-slowing tube (14), and a stop block (19) is arranged on the front;

the hinge joint of the connecting plate (8) and the fixing plate (9) is movably connected with a torsion spring (20), and a hinge damper (21) is fixedly installed on the front surface of the fixing plate (9).

2. A novel one-way valve as defined in claim 1, wherein: the screw has been seted up on valve casing (1) top, fixed joint (2) inner wall is provided with the screw thread, water inlet tube head (3) right side outer wall is provided with the screw thread, with fixed joint (2) looks adaptation.

3. A novel one-way valve as defined in claim 1, wherein: the water inlet hole (4) is matched with the ring seat (6), the ring opening of the damping ring (5) is matched with the valve clack (7), and the top end of the connecting plate (8) is fixedly connected with a limiting rotating shaft.

4. A novel one-way valve as defined in claim 1, wherein: two through-holes have openly been seted up in fixed plate (9), aperture and spacing bolt (10) looks adaptation, fixed plate (9) are through spacing bolt (10) and two nuts and valve casing (1) fixed connection, and valve casing (1) top is equipped with the spacing groove, with sealing layer (12) looks adaptation, valve gap (13) are through screw and valve casing (1) fixed connection.

5. A novel one-way valve as defined in claim 1, wherein: the slow flow tube (14) is fixedly connected with the limiting joint (15) through threads, the diameter of the tube opening of the slow flow tube (14) is matched with the limiting joint (15), and the inner wall of the water outlet tube head (16) and the inner wall of the water inlet tube head (3) at the interface end is provided with a connecting hole.

6. A novel one-way valve as defined in claim 1, wherein: the number of the backflow grooves (18) is eight, every two backflow grooves are in one group and are symmetrically distributed on the horizontal center line of the slow flow pipe (14), and the backflow grooves (18) are D-shaped and incline to one end close to the water inlet hole (4).

7. A novel one-way valve as defined in claim 1, wherein: one end of the torsion spring (20) is fixedly connected with the fixing plate (9), the other end of the torsion spring (20) is fixedly connected with the connecting plate (8), and the hinge damper (21) is fixedly connected with the limiting shaft of the connecting plate (8).