One-way valve with high durability

Abstract

The one-way valve comprises a shell and a sealing block, the sealing block is fixedly arranged on the left side in the shell, a connecting block is integrally arranged on the right side outside the sealing block, a flow dividing assembly is arranged in the sealing block, and a liquid discharging assembly is arranged in the connecting block. By means of the design of the flow dividing function, liquid instantly entering the shell can be discharged into the connecting block in a flow dividing mode, so that the impact force, caused by instant impact force of the liquid, on the sliding block is relieved, the sliding block is protected through the device, and the service life of the sliding block is prolonged. And the service life of the device is prolonged. According to the device, impurities in liquid can be filtered, in addition, through the design of a cleaning function, the impurities adhered to the filter screen can be scraped off, the filter screen is prevented from being blocked by the impurities, and therefore by means of the device, the stability of the filter screen in the using process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to one -way valve technical field, concretely is a one -way valve with strong durability. BACKGROUND

[0002] One -way valve is that fluid can only flow along the water inlet, and the water outlet medium cannot backflow, commonly known as one -way valve. One -way valve is also called check valve or non -return valve. It is used in hydraulic system to prevent oil flow in reverse, or used in pneumatic system to prevent compressed air from flowing in reverse. The existing one -way valve using stainless steel ball as sealing element requires high machining precision, and the sealing effect is not good. The one -way valve with valve core structure is mostly complex, inconvenient to install and use, difficult to assemble and operate, and has high manufacturing, using and maintenance cost. Moreover, the seal between the valve core and the valve body is easy to fail after long -term use, and the sealing reliability is difficult to guarantee, resulting in poor working stability of the valve core and easy internal leakage.

[0003] The device in the publication number "CN217502698U" is named "high stability one -way valve". The device in the publication solves the above -mentioned problems, but the above -mentioned device cannot divide the liquid discharged into the valve body. When the liquid enters the valve body, the instantaneous impact force of the liquid extrudes the valve core. At this time, the impact force is large, which will damage the valve core over a long period of time, reducing the service life of the one -way valve. Based on this, the utility model designs a one -way valve with strong durability to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a one -way valve with strong durability to solve the problems in the background art.

[0005] To achieve the above -mentioned purpose, the utility model provides the following technical scheme: a one -way valve with strong durability, comprising a shell and a sealing block, the sealing block is fixedly arranged on the left side in the shell, a connecting block is integrally arranged on the right side of the sealing block, a shunt assembly is arranged in the sealing block, a liquid discharge assembly is arranged in the connecting block, the shunt assembly comprises a liquid inlet hole integrally arranged on the left side in the sealing block, a plurality of installation pipes are fixedly arranged in the sealing block, one end of the installation pipe away from the sealing block is fixedly penetrated into the connecting block, the liquid discharge assembly comprises a sliding block slidingly arranged in the connecting block, a stop block is fixedly arranged on the right side in the connecting block, a plurality of springs are fixedly arranged on the right side of the sliding block, one end of the spring away from the sliding block is fixedly connected with the connecting block, an installation hole is integrally arranged in the sliding block, a plurality of relief holes are integrally arranged in the sliding block, and a plurality of liquid discharge holes are integrally arranged in the connecting block.

[0006] Further, the slider is made of rubber material, the liquid inlet hole and the mounting hole are designed as blind holes, the inside of the mounting pipe is communicated with the inside of the liquid inlet hole, and the accommodation hole is communicated with the mounting hole.

[0007] Further, the mounting pipes and the liquid discharge holes are distributed around the axis of the liquid inlet hole, and the mounting pipes and the liquid discharge holes are staggered.

[0008] Further, the filter screen is fixedly arranged on the right side of the inside of the shell, a rotating pin is connected to the middle of the inside of the filter screen, and a scraping strip is fixedly arranged on the outer wall of the rotating pin.

[0009] Further, the worm is rotatably penetrated into the right side of the outside of the shell in a sealing connection mode, and a plurality of blades are fixedly arranged on the front and rear ends of the outside of the worm.

[0010] Further, the worm and the rotating pin are cross-perpendicularly arranged, a worm wheel is arranged on the top gear of the worm, and the worm wheel is fixedly arranged on the outside of the rotating pin.

[0011] Further, a flow guide plate is fixedly arranged on the upper end of the right side of the inside of the shell, and the distance between the bottom of the flow guide plate and the bottom end surface of the inside of the shell is two centimeters.

[0012] Further, a plugging head is fixedly penetrated into the right side of the bottom of the shell, a sealing ring is fixedly arranged on the outside of the plugging head and connected to the shell, and the plugging head is arranged at the position between the connecting block and the filter screen.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The liquid instantaneously entering the inside of the shell is discharged into the inside of the connecting block in a shunting mode, so as to relieve the impact force of the liquid instantaneously impacting the slider, and thus, the slider is protected, and the service life of the device is prolonged.

[0015] 2. The impurities in the liquid can be filtered, and in addition, the impurities adhered to the filter screen can be scraped off, so as to prevent the filter screen from being blocked, and thus, the stability of the filter screen during use is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings described in the following description are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 It is the internal structure perspective view of the one-way valve with high durability of the present application;

[0018] Figure 2 It is the front perspective view of the one-way valve with high durability of the present application;

[0019] Figure 3 It is the perspective view of the rotating pin, worm, worm wheel, blade and scraping strip;

[0020] Figure 4 It is the perspective view of the mounting pipe and connecting block;

[0021] Figure 5 It is the internal perspective view of the sealing block.

[0022] In the drawings, the component list represented by each number is as follows:

[0023] 1 - shell, 2 - sealing block, 3 - connecting block, 4 - shunt assembly, 5 - liquid discharge assembly, 401 - liquid inlet hole, 402 - mounting pipe, 501 - sliding block, 502 - stop block, 503 - spring, 504 - mounting hole, 505 - accommodation hole, 506 - liquid discharge hole, 6 - filter screen, 7 - rotating pin, 8 - scraping strip, 9 - worm, 10 - blade, 11 - worm wheel, 12 - guide plate, 13 - plugging head, 14 - sealing ring. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application. Embodiment 1

[0025] As Figure 1 , Figure 4 , Figure 5As shown, the device comprises a shell 1 and a sealing block 2, the sealing block 2 is fixedly arranged inside the left side of the shell 1, the sealing block 2 is integrally provided with a connecting block 3 on the right side, the sealing block 2 is provided with a shunt assembly 4 inside, the connecting block 3 is provided with a liquid discharge assembly 5 inside, the shunt assembly 4 comprises a liquid inlet hole 401 integrally arranged on the left side of the sealing block 2, a plurality of mounting pipes 402 are fixedly arranged inside the sealing block 2, one end of the mounting pipe 402 away from the sealing block 2 is fixedly penetrated into the connecting block 3, the liquid discharge assembly 5 comprises a sliding block 501 slidingly arranged inside the connecting block 3, a stop block 502 is fixedly arranged on the right side of the connecting block 3, a plurality of springs 503 are fixedly arranged on the right side of the sliding block 501, one end of the spring 503 away from the sliding block 501 is fixedly connected with the connecting block 3, the sliding block 501 is integrally provided with a mounting hole 504 inside, a plurality of relief holes 505 are integrally arranged inside the sliding block 501, and a plurality of liquid discharge holes 506 are integrally arranged inside the connecting block 3.

[0026] The sliding block 501 is made of rubber, the liquid inlet hole 401 and the mounting hole 504 are designed as blind holes, the inside of the mounting pipe 402 is communicated with the inside of the liquid inlet hole 401, the relief hole 505 is communicated with the mounting hole 504, the plurality of mounting pipes 402 and the liquid discharge holes 506 are distributed around the axis of the liquid inlet hole 401, and the mounting pipe 402 and the liquid discharge hole 506 are staggered. First, the left end of the shell 1 is connected with the output end of the liquid equipment outside through threads, when the liquid enters the left side of the shell 1, the liquid is shunted through the liquid inlet hole 401 and the mounting pipe 402 and discharged into the connecting block 3, so as to buffer the impact force of the liquid instantaneously, relieve the impact of the liquid on the sliding block 501, and push the sliding block 501 to move along the left side of the connecting block 3, and the spring 503 is deformed, until the relief hole 505 and the liquid discharge hole 506 are coincided, the liquid in the connecting block 3 is discharged from the right side of the shell 1 through the relief hole 505 and the liquid discharge hole 506. Embodiment 2

[0027] As Figure 1 , Figure 2 , Figure 3As shown, the right side of the shell 1 is fixed with a filter screen 6, the inside of the filter screen 6 is connected with a rotating pin 7, the outer wall of the rotating pin 7 is fixed with a scraping strip 8, the right side of the shell 1 is rotatably penetrated by a worm 9 in a sealed connection manner, and a plurality of blades 10 are fixed on the outer front and rear ends of the worm 9, the worm 9 and the rotating pin 7 are designed in a cross type perpendicular, the top gear of the worm 9 is meshed with a worm wheel 11, the worm wheel 11 is fixedly sleeved on the outside of the rotating pin 7, the right side of the inside of the shell 1 is fixed with a guide plate 12, the distance between the bottom of the guide plate 12 and the bottom end surface of the inside of the shell 1 is two centimeters, the right side of the bottom of the shell 1 is fixedly penetrated by a blocking head 13, the sealing ring 14 tightly sleeved on the outside of the blocking head 13 is fixedly connected with the shell 1, and the blocking head 13 is arranged at the position between the connecting block 3 and the filter screen 6.

[0028] According to the operation mode in embodiment 1, when the liquid is discharged to the right side of the inside of the shell 1, the filter screen 6 filters the impurities in the liquid, when the liquid is discharged from the liquid discharge hole 506, the liquid is discharged to the position of the blade 10 through the guiding action of the guide plate 12, at this time, the flow rate of the liquid drives the blade 10 to drive the worm 9 to drive the worm wheel 11 and the rotating pin 7 and the scraping strip 8 to rotate, so that the scraping strip 8 removes the impurities adhered to the left end surface of the filter screen 6, preventing the impurities from blocking the filter screen 6, when the liquid stops being conveyed, the spring 503 is reset, that is, the liquid discharge hole 506 and the relief hole 505 are mutually dislocated, preventing the liquid from being discharged from the right side of the shell 1 to the left side of the shell 1, the stop block 502 limits the reset position of the sliding block 501, preventing the sliding block 501 from shielding the installation pipe 402, ensuring the normality of the liquid entering the inside of the connecting block 3, when the device is used, the staff can separate the blocking head 13 from the shell 1, and then take out the filtered impurities from the inside of the shell 1, and the sealing ring 14 ensures the sealing effect of the connection between the blocking head 13 and the shell 1.

Claims

1. A strong durable check valve comprising a housing (1) and a sealing block (2) characterized in that: The sealing block (2) is fixed inside the left side of the shell (1), the sealing block (2) is integrally provided with a connecting block (3) on the right side, the sealing block (2) is provided with a shunt assembly (4) inside, the connecting block (3) is provided with a liquid discharge assembly (5) inside, the shunt assembly (4) includes a liquid inlet hole (401) integrally provided inside the left side of the sealing block (2), a plurality of mounting pipes (402) are fixed inside the sealing block (2), one end of the mounting pipe (402) away from the sealing block (2) is fixedly penetrated into the connecting block (3), the liquid discharge assembly (5) includes a sliding block (501) slidingly connected inside the connecting block (3), a stop block (502) is fixedly arranged on the right side inside the connecting block (3), a plurality of springs (503) are fixedly arranged on the right side of the sliding block (501), one end of the spring (503) away from the sliding block (501) is fixedly connected with the connecting block (3), a mounting hole (504) is integrally arranged inside the sliding block (501), a plurality of clearance holes (505) are integrally arranged inside the sliding block (501), and a plurality of liquid discharge holes (506) are integrally arranged inside the connecting block (3).

2. The strong durable one-way valve according to claim 1, wherein: The sliding block (501) is made of rubber material, the liquid inlet hole (401) and the mounting hole (504) are designed as blind holes, the inside of the mounting pipe (402) is connected with the inside of the liquid inlet hole (401), and the clearance hole (505) is connected with the mounting hole (504).

3. The strong durable one-way valve according to claim 1, wherein: A plurality of mounting pipes (402) and liquid discharge holes (506) are arranged around the axis of the liquid inlet hole (401), and the mounting pipe (402) and the liquid discharge hole (506) are arranged in a staggered manner.

4. The strong durable one-way valve of claim 1, wherein: A filter screen (6) is fixedly arranged on the right side inside the shell (1), a rotating pin (7) is connected to the middle of the filter screen (6), and a scraping strip (8) is fixedly arranged on the outer wall of the rotating pin (7).

5. The strong durable one-way valve of claim 1, wherein: The outer right side of the shell (1) is rotatably penetrated by a worm (9) in a sealed connection manner, and a plurality of blades (10) are fixedly arranged on the front and rear ends of the outer side of the worm (9).

6. The strong durable one-way valve of claim 5, wherein: The worm (9) and the rotating pin (7) are arranged in a cross perpendicular manner, a worm gear (11) is arranged on the top gear of the worm (9), and the worm gear (11) is fixedly arranged on the outer side of the rotating pin (7).

7. The strong durable one-way valve of claim 1, wherein: A flow guide plate (12) is fixedly arranged on the upper end of the right side inside the shell (1), and the distance between the bottom of the flow guide plate (12) and the bottom end surface inside the shell (1) is two centimeters.

8. The strong durable one-way valve of claim 1, wherein: A plugging head (13) is fixedly penetrated on the right side of the bottom of the shell (1), a sealing ring (14) is tightly and fixedly arranged on the outer side of the plugging head (13) and fixedly connected with the shell (1), and the plugging head (13) is arranged at a position between the connecting block (3) and the filter screen (6).

Images