CN216951950U

CN216951950U - Valve with backflow cleaning function

Info

Publication number: CN216951950U
Application number: CN202220341455.XU
Authority: CN
Inventors: 袁丽斌; 张萍
Original assignee: Shanghai Dunsu New Building Materials Co ltd
Current assignee: Shanghai Dunsu New Building Materials Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-12
Anticipated expiration: 2032-02-21

Abstract

The utility model is suitable for the field of valves, and provides a valve with a backflow cleaning function, which comprises a valve pipe, wherein a backflow smashing mechanism is arranged in the valve pipe, the backflow smashing mechanism comprises a one-way valve component, an internal thread sliding sleeve, a rotating ring, a supporting seat, a supporting shaft and a smashing knife, the smashing knife and the one-way valve component are sequentially arranged along the direction of forward water flow, the conduction direction of the one-way valve component is the same as the direction of forward water flow, the one-way valve component is in sliding connection with the inner wall of the valve pipe, second limiting plates are arranged on one side far away from the smashing knife at intervals and used for limiting the one-way valve component, and one side, close to the smashing knife, of the one-way valve component is connected with the internal thread sliding sleeve; because the self-locking force of the internal thread sliding sleeve and the thread connection of the rotating ring is smaller than the water pressure of backflow, the one-way valve component is driven to move towards the rotating ring, the rotating ring is driven to rotate, and the rotating ring drives the crushing cutter to crush the impurities in the valve pipe.

Description

Valve with backflow cleaning function

Technical Field

The utility model belongs to the field of valves, and particularly relates to a valve with a backflow cleaning function.

Background

The drainage valve is an indispensable water industry product and is mainly applied to the fields of water supply and drainage engineering, industrial and domestic sewage treatment, hydraulic engineering and the like of cities, buildings and enterprises.

Traditional valve has impurity because in the liquid of carrying to when taking place to block up at the in-process of carrying, need pull down the valve member, clear up impurity, and then cause the problem of very inconvenience on using.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a valve with a backflow cleaning function, and aims to solve the problem that when a traditional valve is blocked in a conveying process, a valve needs to be detached to clean impurities, so that the use is very inconvenient.

The embodiment of the utility model is realized in such a way that the valve with the backflow cleaning function comprises a valve pipe, wherein a backflow smashing mechanism is arranged in the valve pipe, the backflow smashing mechanism comprises a one-way valve component, an internal thread sliding sleeve, a rotating ring, a supporting seat, a supporting shaft and a smashing knife, the smashing knife and the one-way valve component are sequentially arranged along the direction of forward water flow, the conducting direction of the one-way valve component is the same as the direction of forward water flow, the one-way valve component is connected with the inner wall of the valve pipe in a sliding manner, second limiting plates are arranged on one side far away from the smashing knife at intervals and used for limiting the one-way valve component, one side, close to the smashing knife, of the one-way valve component is connected with the internal thread sliding sleeve, the rotating ring is inserted in the internal thread sliding sleeve and is in threaded connection with the rotating ring, the self-locking force of the internal thread sliding sleeve in threaded connection with the rotating ring is smaller than the water pressure of the backflow cleaning function, the one end tip that the internal thread sliding sleeve was kept away from to the swivel becket rotates with the semicircle spacing ring on the valve pipe inner wall to be connected, just the one end inner wall that the internal thread sliding sleeve was kept away from to the semicircle spacing ring still is equipped with the supporting seat, one side rigid coupling that the supporting seat is close to the internal thread sliding sleeve has the back shaft, the tip periphery of back shaft is equipped with a plurality of bits of broken glass along the circumferencial direction interval.

Preferably, the check valve assembly comprises a valve pipe and a conical plug which are used in a matched manner, the valve pipe and the conical plug are sequentially arranged along the water positive flow direction, one side of the valve pipe is fixedly connected with the internal thread sliding sleeve, the outer wall of the valve pipe is connected with the valve pipe in a sliding manner, an inner groove of the valve pipe has a taper increasing along the water positive flow direction, the conical plug for sealing the valve pipe is inserted in the inner groove of the valve pipe, the conical plug is connected with the valve pipe in a sliding manner, a first limiting plate and a second limiting plate which are arranged on the inner wall of the valve pipe are sequentially arranged on one side, away from the valve pipe, of the conical plug, and the first limiting plate and the second limiting plate are arranged at intervals, wherein the first limiting plate is used for limiting the valve pipe, and the first limiting plate is connected with the valve pipe through a first spring; the second limiting plate is used for limiting the conical plug and is connected with the conical plug through a second spring; the elasticity of the second spring is greater than that of the first spring and is smaller than the water pressure of the positive flow and the reverse flow, when the second spring is positioned at the initial position, the conical plug is inserted in the valve pipe and seals the valve pipe, and the end parts of the valve pipe and the rotating ring, which are close to each other, are arranged at intervals.

Preferably, one end of the internal thread sliding sleeve, which is close to the valve pipe, is provided with a filter plate.

Preferably, still include the impurity collection subassembly, the impurity collection subassembly stirs the mechanism with the refluence and sets gradually along rivers direction, the impurity collection subassembly includes that external screw thread pipe, row material connecting pipe and impurity collect the box, external screw thread pipe and valve pipe intercommunication, and the outer wall of external screw thread pipe and row material connecting pipe inner wall threaded connection, still be equipped with on the step in the row material connecting pipe just to the impurity collection box that external screw thread pipe exported the setting.

Preferably, the junction of valve pipe and external screw thread pipe is sealed through sealed arc, sealed arc and valve pipe inner wall sliding connection and the tip and the internal thread sliding sleeve rigid coupling of sealed arc, the conduction mouth with valve pipe and external screw thread pipe intercommunication is seted up to one side that sealed arc is close to the internal thread sliding sleeve.

Preferably, the water purifier further comprises a valve and an adjusting piece, wherein the valve is adjusted by the adjusting piece, and the valve and the impurity collecting assembly are sequentially arranged along the water flow direction.

1. The backflow stirring mechanism provided by the embodiment of the utility model can drive the one-way valve component to move towards the rotating ring because the self-locking force of the threaded connection of the internal thread sliding sleeve and the rotating ring is smaller than the backflow water pressure when water flows backwards, and further can drive the rotating ring to rotate through the matching of the internal thread sliding sleeve and the rotating ring, and the rotating ring drives the stirring knife to stir impurities in the valve pipe, so that the impurities in the valve pipe can be collected from one end far away from the one-way valve component, and the problem that when the traditional valve is blocked in the conveying process, the valve component needs to be detached, the impurities are cleaned, and the use is very inconvenient is further solved.

According to the impurity collecting assembly provided by the embodiment of the utility model, when water flows backwards, a mixture of impurities and water is discharged into the discharging connecting pipe, and the impurities are filtered through the impurity collecting box, so that the impurity collecting function is achieved.

Drawings

Fig. 1 is a perspective view of a valve with a backflow cleaning function according to an embodiment of the present invention;

FIG. 2 is a front view of a valve with backflow clearing function according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a perspective view of the reverse flow crushing mechanism according to the embodiment of the present invention;

fig. 5 is another perspective view of the backflow mincing mechanism according to the embodiment of the present invention.

In the drawings: 1. a valve tube; 2. a valve member; 3. an adjustment member; 4. an externally threaded tube; 5. an impurity collection box; 6. a discharge connecting pipe; 7. sealing the arc-shaped plate; 8. a conduction port; 9. a rotating ring; 10. a supporting seat; 11. an internal thread sliding sleeve; 12. a support shaft; 13. a mincing knife; 14. a second spring; 15. a second limiting plate; 16. a filter plate; 17. a valve tube; 18. a conical plug; 19. a semicircular limiting ring; 20. a first limit plate; 21. a first spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1-5, a valve with a backflow cleaning function according to an embodiment of the present invention includes a valve tube 1, a backflow mincing mechanism is disposed in the valve tube 1, the backflow mincing mechanism includes a one-way valve assembly, an internal thread sliding sleeve 11, a rotating ring 9, a support seat 10, a support shaft 12 and a mincing knife 13, the mincing knife 13 and the one-way valve assembly are sequentially disposed along a water forward flow direction, a conducting direction of the one-way valve assembly is the same as the water forward flow direction, the one-way valve assembly is slidably connected to an inner wall of the valve tube 1, a second limit plate 15 is disposed at an interval on a side away from the mincing knife 13, the second limit plate 15 is used for limiting the one-way valve assembly, a side of the one-way valve assembly close to the mincing knife 13 is connected to the internal thread sliding sleeve 11, the rotating ring 9 is inserted into the internal thread sliding sleeve 11 and is in threaded connection with the rotating ring 9, internal thread slip cap 11 is less than the water pressure of refluence with swivel ring 9 threaded connection's self-locking power, swivel ring 9 keeps away from the one end tip of internal thread slip cap 11 and rotates with semicircle spacing ring 19 on the valve pipe 1 inner wall to be connected, just semicircle spacing ring 19 keeps away from the one end inner wall of internal thread slip cap 11 and still is equipped with supporting seat 10, one side rigid coupling that supporting seat 10 is close to internal thread slip cap 11 has back shaft 12, the tip periphery of back shaft 12 is equipped with a plurality of garrulous swoves 13 along the circumferencial direction interval.

In one embodiment of the present invention, the water purifier further comprises a valve member 2 and an adjusting member 3, wherein the valve member 2 is adjusted by the adjusting member 3, the valve member 2 and the impurity collecting assembly are arranged in sequence along the water flow direction, and the state that the adjusting member 3 adjusts the valve member 2 is the prior art and will not be described in detail herein.

In an embodiment of the utility model, when water positively flows in the valve pipe 1 through the action of the water pump, the check valve assembly opens the valve pipe 1 to play a role of conveying liquid, when cleaning is needed, the water reversely flows in the valve pipe 1 through the action of the water pump, so that the valve pipe 1 is sealed through the action of the check valve assembly, and the hydraulic pressure is increased, because the self-locking force of the threaded connection between the internal thread sliding sleeve 11 and the rotating ring 9 is smaller than the water pressure of the reverse flow, the check valve assembly drives the internal thread sliding sleeve 11 to slide in the valve pipe 1 towards the rotating ring 9, and because the internal thread sliding sleeve 11 is in threaded fit with the rotating ring 9, the rotating ring 9 rotates on the semicircular limiting ring 19, and then the mincing knife 13 is driven to rotate, impurities in the valve pipe 1 are minced, and the mincing effect of mincing is realized.

As shown in fig. 2 to 5, as a preferred embodiment of the present invention, preferably, the check valve assembly includes a valve tube 17 and a conical plug 18, the valve tube 17 and the conical plug 18 are sequentially arranged along a water positive flow direction, one side of the valve tube 17 is fixedly connected to the internal thread sliding sleeve 11, and an outer wall of the valve tube 17 is slidably connected to the valve tube 1, an inner groove of the valve tube 17 has a taper increasing along the water positive flow direction, the conical plug 18 sealing the valve tube 17 is inserted in the inner groove of the valve tube 17, the conical plug 18 is slidably connected to the valve tube 17, a first limit plate 20 and a second limit plate 15 are sequentially arranged on one side of the conical plug 18 away from the valve tube 17, the first limit plate 20 and the second limit plate 15 are arranged at an interval, wherein the first limit plate 20 is used for limiting the valve tube 17, the first limit plate 20 is connected with the valve pipe 17 through a first spring 21; the second limit plate 15 is used for limiting the conical plug 18, and the second limit plate 15 is connected with the conical plug 18 through a second spring 14; the elasticity of the second spring 14 is greater than the elasticity of the first spring 21 and is less than the water pressure of the positive flow and the reverse flow, when the second spring is located at the initial position, the conical plug 18 is inserted in the valve pipe 17 and seals the valve pipe 17, and the end parts of the valve pipe 17 and the rotating ring 9, which are close to each other, are arranged at intervals.

In one case of the present embodiment:

in the initial position, the conical plug 18 is inserted into the valve tube 17 and seals the valve tube 17, and the ends of the valve tube 17 and the rotary ring 9 that are close to each other are spaced apart.

When the water is in a positive flow state, positive flow water pressure is provided by a water pump and other water pumping parts in the positive flow direction, positive flow water conveying is carried out, at the moment, the movement of the valve pipe 17 is limited by the first limiting plate 20, and because the elastic force of the second spring 14 is greater than that of the first spring 21 and is smaller than the positive flow water pressure, water pushes against the conical plug 18 to leave from the valve pipe 17, a gap is formed between the valve pipe 17 and the conical plug 18, a positive conduction effect is achieved, and when the positive flow conveying is stopped, the valve pipe 17 and the conical plug 18 are respectively driven to reset to initial positions by the first spring 21 and the second spring 14.

When the backflow conveying device is positioned in a backflow state of water, the water pressure of backflow is provided through water pumping pieces such as a water pump in the positive flow direction, the backflow conveying of the water is carried out, because the elastic force of the second spring 14 is greater than that of the first spring 21, the conical plug 18 can be stably inserted into the valve pipe 17 and seals the valve pipe 17, and because the elastic force of the second spring 14 is smaller than that of the backflow, the conical plug 18 and the valve pipe 17 which seal the valve pipe 1 are driven to linearly move towards the rotating ring 9 together under the action of the water pressure, the rotating ring 9 is driven to rotate, and when the backflow conveying is stopped, the valve pipe 17 and the conical plug 18 are respectively driven to reset to the initial positions through the first spring 21 and the second spring 14.

For the purpose of filtering, in one aspect of the present embodiment, the internally threaded sliding sleeve 11 is provided with a filter plate 16 at the end adjacent to the valve tube 17.

As shown in fig. 1 to 5, as a preferred embodiment of the present invention, the present invention further comprises an impurity collecting assembly, the impurity collecting assembly and the backflow mincing mechanism are sequentially arranged along a water flow direction, the impurity collecting assembly comprises an external threaded pipe 4, a discharge connecting pipe 6 and an impurity collecting box 5, the external threaded pipe 4 is communicated with the valve pipe 1, an outer wall of the external threaded pipe 4 is in threaded connection with an inner wall of the discharge connecting pipe 6, and the impurity collecting box 5 which is arranged opposite to an outlet of the external threaded pipe 4 is further arranged on a step in the discharge connecting pipe 6.

In a case of this embodiment, the joint of the valve pipe 1 and the external threaded pipe 4 is sealed by a sealing arc plate 7, the sealing arc plate 7 is connected with the inner wall of the valve pipe 1 in a sliding manner, and the end of the sealing arc plate 7 is fixedly connected with an internal thread sliding sleeve 11, and one side of the sealing arc plate 7 close to the internal thread sliding sleeve 11 is provided with a conduction opening 8 for communicating the valve pipe 1 and the external threaded pipe 4.

In another case of this embodiment, when water flows backwards, the water pushes against the internal thread sliding sleeve 11 to move towards the direction of the external thread pipe 4, so that the conduction port 8 on the sealing arc-shaped plate 7 communicates the valve pipe 1 with the external thread pipe 4, and then the mixture of impurities and water can be discharged into the discharge connecting pipe 6, and the impurities are filtered by the impurity collecting box 5, thereby achieving the function of impurity collection.

In order to further facilitate the collection of impurities, valve part 2 can be adjusted by adjusting part 3, so that valve part 2 seals valve tube 1, and thus facilitates the discharge of impurities into discharge connecting tube 6.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a valve that possesses refluence clearance function, a serial communication port, including valve pipe (1), be equipped with refluence in valve pipe (1) and stir garrulous mechanism, refluence is stirred garrulous mechanism and is included one way valve subassembly, internal thread sliding sleeve (11), swivel ring (9), supporting seat (10), back shaft (12) and is stirred garrulous sword (13), stir garrulous sword (13) and one way valve subassembly and set gradually along the direction of water forward flow, one way valve subassembly switch on the direction the same with the direction of water forward flow, and one way valve subassembly and valve pipe (1) inner wall sliding connection, and keep away from one side interval of stirring garrulous sword (13) and be equipped with second limiting plate (15), second limiting plate (15) are used for spacing one way valve subassembly, one side that one way valve subassembly is close to stirring garrulous sword (13) is connected with internal thread sliding sleeve (11), insert in internal thread sliding sleeve (11) and be equipped with swivel ring (9) and swivel ring (9) threaded connection, internal thread slip cap (11) and rotating ring (9) threaded connection's self-locking power is less than the water pressure of refluence, the one end tip that internal thread slip cap (11) was kept away from in rotating ring (9) rotates with semicircle spacing ring (19) on valve pipe (1) inner wall to be connected, just the one end inner wall that internal thread slip cap (11) was kept away from in semicircle spacing ring (19) still is equipped with supporting seat (10), one side rigid coupling that supporting seat (10) are close to internal thread slip cap (11) has back shaft (12), the tip periphery of back shaft (12) is equipped with a plurality of garrulous sword (13) of stirring along the circumferencial direction interval.

2. The valve with the backflow cleaning function according to claim 1, wherein the check valve assembly comprises a valve tube (17) and a conical plug (18) which are used in a matched manner, the valve tube (17) and the conical plug (18) are sequentially arranged along the direction of positive water flow, one side of the valve tube (17) is fixedly connected with an internal thread sliding sleeve (11), the outer wall of the valve tube (17) is slidably connected with the valve tube (1), an inner groove of the valve tube (17) has a taper increasing along the direction of positive water flow, the conical plug (18) for sealing the valve tube (17) is inserted into the inner groove of the valve tube (17), the conical plug (18) is slidably connected with the valve tube (17), and a first limiting plate (20) and a second limiting plate (15) which are arranged on the inner wall of the valve tube (1) are sequentially arranged on one side, far away from the valve tube (17), of the conical plug (18), the first limiting plate (20) and the second limiting plate (15) are arranged at intervals, wherein the first limiting plate (20) is used for limiting the valve pipe (17), and the first limiting plate (20) is connected with the valve pipe (17) through a first spring (21); the second limit plate (15) is used for limiting the conical plug (18), and the second limit plate (15) is connected with the conical plug (18) through a second spring (14); the elasticity of the second spring (14) is greater than that of the first spring (21) and is smaller than the water pressure of positive flow and reverse flow, when the valve is located at the initial position, the conical plug (18) is inserted in the valve pipe (17) and seals the valve pipe (17), and the end parts of the valve pipe (17) and the rotating ring (9) which are close to each other are arranged at intervals.

3. A valve with reverse flow cleaning function according to claim 1, wherein the internally threaded sliding sleeve (11) is provided with a filter plate (16) at the end close to the valve tube (17).

4. The valve with the backflow cleaning function according to claim 1, further comprising an impurity collecting assembly, wherein the impurity collecting assembly and the backflow smashing mechanism are sequentially arranged along the water flow direction, the impurity collecting assembly comprises an external threaded pipe (4), a discharging connecting pipe (6) and an impurity collecting box (5), the external threaded pipe (4) is communicated with the valve pipe (1), the outer wall of the external threaded pipe (4) is in threaded connection with the inner wall of the discharging connecting pipe (6), and the impurity collecting box (5) which is just arranged at the outlet of the external threaded pipe (4) is further arranged on the step in the discharging connecting pipe (6).

5. The valve with the backflow cleaning function according to claim 4, wherein the joint of the valve pipe (1) and the external threaded pipe (4) is sealed by a sealing arc-shaped plate (7), the sealing arc-shaped plate (7) is connected with the inner wall of the valve pipe (1) in a sliding manner, the end part of the sealing arc-shaped plate (7) is fixedly connected with an internal threaded sliding sleeve (11), and one side, close to the internal threaded sliding sleeve (11), of the sealing arc-shaped plate (7) is provided with a conduction port (8) for communicating the valve pipe (1) with the external threaded pipe (4).

6. The valve with the backflow cleaning function according to claim 4, further comprising a valve element (2) and an adjusting element (3), wherein the valve element (2) is adjusted by the adjusting element (3), and the valve element (2) and the impurity collecting assembly are sequentially arranged along a water flow direction.