Pulse high-flow water-attack-resistant slow-closing pipeline valve

Abstract

A pulse large-flow water-attack-resistant slowly-closed pipeline valve comprises an electromagnetic valve head, a positioning plate, a fixing base, a reset spring, a floating base and a rubber membrane. A sliding rod extends out of the fixing seat, the rubber membrane and the fixing seat are combined to form a valve cavity, and the reset spring is arranged in the valve cavity and elastically abuts against the position between the fixing seat and the floating seat. The floating seat is provided with a water flow channel; and the reset spring is provided with a valve needle which is matched with the water flow channel and is switched between an open state and a closed state. The structure is simple and compact, water pressure impact is effectively relieved, connecting pipelines or connectors are effectively prevented from being damaged, the service life is long, and safety and reliability are achieved.

Description

Technical Field

[0001] The utility model relates to a large-diameter pipeline valve, in particular to an application scenario that can be used for automatic stool flushing or other one-inch pipelines requiring a large flow rate. Background Art

[0002] At present, most of the one-inch pipeline valves used in the market are of the power-on hold type. Since the power-on hold type consumes a lot of energy and needs to be connected to the mains or converted to low-voltage electricity through the mains, its safety and connection lines affect the promotion and use of the product; in addition, the large-flow solenoid valves used in the market will produce a large water hammer phenomenon when closed, and long-term use is likely to cause damage to the connecting pipes or interfaces. Therefore, a pulsed large-flow anti-water hammer slow-closing pipeline valve that can be driven by a battery is urgently needed to solve the above problems. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a pulse large flow anti-water hammer slow closing pipeline valve, which has a simple and compact structure, effectively alleviates water pressure shock, effectively prevents damage to connecting pipelines or interfaces, has a long service life, and is safe and reliable.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is to provide a pulse large-flow anti-water hammer slow-closing pipeline valve, including: a solenoid valve head, a positioning plate, a fixed seat, a return spring, a floating seat and a rubber membrane; the fixed seat extends a sliding rod from the inside, the rubber membrane and the fixed seat are combined to form a valve cavity, the return spring is arranged in the valve cavity and elastically abuts between the fixed seat and the floating seat; the floating seat is provided with a water flow channel; the return spring is provided with a valve needle that cooperates with the water flow channel to switch between an open state or a closed state.

[0005] In one or more embodiments of the utility model, the fixing seat is provided with an installation port, in which are provided a plurality of oblique flow channel side through holes and a center hole connected to the valve head water channel, the fixing seat is provided with a sliding rod and a spring positioning groove connected to the center hole, and a plurality of screw bottom holes connected to the solenoid valve head are provided on the top plane of the fixing seat.

[0006] In one or more embodiments of the present invention, the rubber membrane provides a central sleeve hole and limiting sleeve holes located on both sides of the central sleeve hole for the installation of the floating seat.

[0007] In one or more embodiments of the utility model, the floating seat is provided with six U-shaped notches to form a crown-shaped spoiler structure, which increases the contact area of ​​the water flow, thereby increasing the water resistance and effectively slowing down the descending speed during closing.

[0008] In one or more embodiments of the present invention, the floating seat is provided with a welding groove, and the welding groove and the welding line provided on the positioning sleeve are fastened by ultrasonic welding.

[0009] In one or more embodiments of the utility model, the floating seat is provided with two small buckle parts and a middle large buckle part, the small buckle part is elliptical in shape to increase the buckling contact area; a sealing ring groove is provided in the middle large buckle part to cooperate with the positioning sleeve and the baffle after ultrasonic welding to form a double sealing structure.

[0010] In one or more embodiments of the utility model, a fixed sleeve limiting step and a positioning platform for preventing rotation are provided at the end of the slide rod, and a locking pin positioning hole is also provided at the end of the slide rod, and a cylindrical pin is inserted into the locking pin positioning hole to achieve overall assembly.

[0011] In one or more embodiments of the present invention, a first sealing ring is provided in the valve cavity, and a second sealing ring is provided in the valve cavity.

[0012] In one or more embodiments of the present invention, the second sealing ring is pressed by the baffle to form a water seal.

[0013] Compared with the background technology, the utility model has the following effects:

[0014] Since the utility model adopts the above-mentioned solution, the structure is simple and compact, the water pressure shock is effectively alleviated, the connecting pipes or interfaces are effectively prevented from being damaged, the service life is long, and the device is safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a pulse large flow anti-water hammer slow closing pipeline valve in an embodiment of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the expanded structure of the medium pulse and large flow anti-water hammer slow closing pipeline valve;

[0017] Figure 3 It is a structural schematic diagram of a pulse large flow anti-water hammer slow closing pipeline valve in another perspective in an embodiment of the utility model;

[0018] Figure 4 for Figure 3 Schematic diagram of the expanded structure of the medium pulse and large flow anti-water hammer slow closing pipeline valve;

[0019] Figure 5 It is a partial structural cross-sectional view of a pulse large flow anti-water hammer slow closing pipeline valve in an embodiment of the utility model;

[0020] Those skilled in the art can understand the shapes, structures and schemes obtained from the figures shown in the drawings. The various components of the drawings are not necessarily to scale, and the sizes of the various components and elements of the drawings can be enlarged or reduced to more clearly illustrate the implementation scheme of the utility model described in this article. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0022] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present invention, but is only provided for reference and understanding of the preferred embodiments. The product components shown in the drawings may be changed in position, increased in number, or simplified in structure.

[0023] The "connection" described in the specification and the mutual "connection" relationship of the components shown in the drawings can be understood as a fixed connection or a detachable connection or an integral connection; it can be a direct connection or a connection through an intermediate medium. Ordinary technicians in this field can understand the connection relationship according to the specific circumstances and can derive different implementation methods in an appropriate manner such as screwing, riveting, welding, clamping or embedding.

[0024] The directional words such as up, down, left, right, top, bottom, etc. described in the specification and the directions shown in the drawings, the components can be directly in contact or through other features between them; for example, above can be directly above or obliquely above, or it only means higher than other objects; other directions can also be understood by analogy. The following is a further description of the specific implementation methods of the utility model in conjunction with the drawings of the specification, so that the technical solution and beneficial effects of the utility model are clearer and more explicit.

[0025] See also Figure 1 As shown, this embodiment provides a pulse large flow anti-water hammer slow closing pipeline valve, including: a solenoid valve head 1, a positioning plate 2, a fixed seat 3, a reset spring 4, a floating seat 5 and a rubber membrane 6; the fixed seat 3 extends a sliding rod 31 from the inside, the rubber membrane 6 and the fixed seat 3 are combined to form a valve cavity, the reset spring 4 is arranged in the valve cavity and elastically abuts between the fixed seat 3 and the floating seat 5; the floating seat 5 is provided with a water flow channel 55; the reset spring 4 is provided with a valve needle 41 to cooperate with the water flow channel 55 to switch between an open state or a closed state.

[0026] The fixing seat 3 is provided with an installation opening 32, in which are provided a plurality of oblique flow channel side through holes 321 and a center hole 322 connected with the valve head water channel, the fixing seat 3 is provided with a sliding rod 31 and a spring positioning groove 33 connected with the center hole 322, and a plurality of screw bottom holes 34 connected with the solenoid valve head 1 are provided on the top plane of the fixing seat 3.

[0027] The rubber membrane 6 provides a central sleeve hole 61 and limiting sleeve holes 62 located on both sides of the central sleeve hole 61 for installing the floating seat 5 .

[0028] The floating seat 5 is provided with six U-shaped notches to form a crown-shaped spoiler structure 51. The crown-shaped spoiler structure 51 is used to increase the contact area of ​​the water flow, thereby increasing the water resistance and effectively slowing down the descending speed when closing.

[0029] The floating seat 5 is provided with a welding groove 52, and the welding groove 52 and the welding line provided with the positioning sleeve 7 are fastened by ultrasonic welding.

[0030] The floating seat 5 is provided with two small buckle parts 53 and a middle large buckle part 54. The small buckle part 53 is elliptical in shape to increase the buckling contact area; a sealing ring groove 541 is provided in the middle large buckle part 54 to cooperate with the positioning sleeve 7 and the baffle 9 after ultrasonic welding to form a double sealing structure.

[0031] The end of the slide rod 31 is provided with a fixed sleeve limiting step 311 and a positioning platform 312 for preventing rotation. The end of the slide rod 31 is also provided with a locking pin positioning hole 313. The cylindrical pin 10 is inserted into the locking pin positioning hole 313 to achieve overall assembly.

[0032] A first sealing ring 11 is arranged in the valve cavity, and a second sealing ring 12 is arranged in the valve cavity. The second sealing ring 12 is pressed by the baffle plate 9 to form a water seal. The baffle plate 9 provides a positioning ring groove for the placement of the second sealing ring 12, and the second sealing ring 12 is pressed by the baffle plate 9 to form a water seal.

[0033] Based on the above embodiments and all the drawings, the following describes the usage process:

[0034] When in use, the water flow channel 55 is provided with a valve needle 41 on the return spring 4 to cooperate with the water flow channel 55 to switch between an open state and a closed state. The floating seat 5 is provided with six U-shaped notches to form a crown-shaped spoiler structure 51. The crown-shaped spoiler structure 51 is used to increase the contact area of ​​the water flow, thereby increasing the water resistance and effectively slowing down the descending speed when closing. In this way, the structure is simple and compact, effectively alleviates water pressure shock, effectively prevents damage to connecting pipes or interfaces, has a long service life, and is safe and reliable.

[0035] For the purpose of illustration, the foregoing description uses specific nomenclature to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that specific details are not required in order to practice the embodiments. Those skilled in the art should understand that the present invention is not limited to the specific embodiments described above, and improvements and substitutions based on the present invention using techniques known in the art fall within the scope of protection of the present invention.

Claims

1. A pulse large flow anti-water hammer slow closing pipeline valve, characterized in that: include: A solenoid valve head, a positioning plate, a fixed seat, a return spring, a floating seat and a rubber membrane; a sliding rod extends from the fixed seat, the rubber membrane and the fixed seat are combined to form a valve cavity, the return spring is arranged in the valve cavity and elastically abuts between the fixed seat and the floating seat; the floating seat is provided with a water flow channel; the return spring is provided with a valve needle that cooperates with the water flow channel to switch between an open state and a closed state.

2. According to claim 1, a pulse large flow anti-water hammer slow closing pipeline valve is characterized by: The fixing seat is provided with an installation opening, in which are provided a plurality of oblique flow channel side through holes and a center hole connected with the valve head water channel; the fixing seat is provided with a sliding rod and a spring positioning groove connected with the center hole; and a plurality of screw bottom holes connected with the solenoid valve head are provided on the top plane of the fixing seat.

3. A pulse large flow anti-water hammer slow closing pipeline valve according to claim 2, characterized in that: The rubber membrane provides a central sleeve hole and limiting sleeve holes located on both sides of the central sleeve hole for the installation of the floating seat.

4. A pulsed large flow anti-water hammer slow closing pipeline valve according to any one of claims 1 to 3, characterized in that: The floating seat is provided with six U-shaped notches to form a crown-shaped spoiler structure, which increases the contact area of ​​the water flow, thereby increasing the water resistance and effectively slowing down the descending speed when closing.

5. A pulsed large flow anti-water hammer slow closing pipeline valve according to claim 4, characterized in that: The floating seat is provided with a welding groove, and the welding groove and the welding line provided with the positioning sleeve are fastened by ultrasonic welding.

6. A pulsed large flow anti-water hammer slow closing pipeline valve according to claim 4, characterized in that: The floating seat is provided with two small buckle parts (53) and a middle large buckle part, wherein the small buckle parts are elliptical in shape to increase the buckling contact area; a sealing ring groove is provided in the middle large buckle part to cooperate with the positioning sleeve and the baffle after ultrasonic welding to form a double sealing structure.

7. A pulsed large flow anti-water hammer slow closing pipeline valve according to claim 6, characterized in that: The end of the slide rod is provided with a fixed sleeve limiting step and a positioning platform for preventing rotation. The end of the slide rod is also provided with a locking pin positioning hole, and a cylindrical pin is inserted into the locking pin positioning hole to achieve overall assembly.

8. The pulse large flow anti-water hammer slow closing pipeline valve according to claim 7, characterized in that: A first sealing ring is built in the sealing ring groove, and a second sealing ring is arranged in the valve cavity.

9. A pulsed large flow anti-water hammer slow closing pipeline valve according to claim 8, characterized in that: The second sealing ring is pressed by the baffle to form a water seal.

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