CN217874243U - Blowoff valve of automatic filter back-flushing discharge system - Google Patents

Abstract

The utility model discloses a blowoff valve of a filter chamber back flushing automatic discharge system, which is characterized in that the blowoff valve comprises a valve seat, a cylinder, a valve rod and a valve body, wherein the valve seat is fixed above a drain outlet, and the valve body comprises a valve plate, a cover body, a sealing ring embedded in the valve body and a positioning guide component; the valve body is provided with the reinforcing ribs to ensure the strength of the valve plate, the cover body wraps the valve plate to reduce the impact of water flow, the positioning guide assembly is tightly attached to the sewage discharge outlet, the stable guide effect is realized, the stability and the reliability of opening and closing of the valve are ensured, and the problem of bending deformation caused by overlong valve rod is effectively solved; the valve rod of the blowoff valve adopts a cap combining mechanism, and can be disassembled only by twisting a nut during disassembly, so that the blowoff valve is convenient to install and maintain; the blowoff valve is driven pneumatically, so that the occurrence of electric shock accidents is reduced to a limited extent.

Description

Blowoff valve of automatic filter back-flushing discharge system

Technical Field

The patent of the utility model relates to a discharge system technical field under the various environment, more specifically is a blowoff valve that relates to a filtering pond back flush (the sewage that contains sand mud content is big) automatic discharge system.

Background

At present, in a tap water production process, tap water needs to be filtered in a filter tank, and the filter tank is periodically back-flushed, so that the filtering quality can be ensured, and the quality of the tap water can be ensured. The back flush produces the more sewage of a large amount of sand content mud content, discharge through the filtering pond back flush water discharge system, common drain normal cross-section is perpendicular level ground, present sewage discharge system drain cross-section is not conventional, but non-standard, the parallel level ground in drain normal cross-section promptly, in addition, the drain exceeds 2m apart from ground, need consider that the valve takes place bending deformation under the long-term impact of rivers, rock card dead scheduling problem, the drain is located the finite space that has water, the valve of design must easy maintenance, difficult electric shock, mainly commonly in the sewage discharge field, do not have the valve product that is fit for this kind of unconventional drain in the existing market. Therefore, a drain valve with a drain outlet parallel to the ground needs to be developed to solve the above problems.

Disclosure of Invention

The utility model discloses a purpose be exactly in order to solve the current market product vacancy, the technique not enough and a reliable structure that provides, stable performance's filtering pond back flush water discharge system's blowoff valve.

The utility model discloses an adopt following technical solution to realize above-mentioned purpose: a blowoff valve of a filter chamber back flushing water discharge system is characterized by comprising a valve seat, a cylinder, a valve rod and a valve body, wherein the valve seat is fixed above a blowoff port; the valve body is provided with the reinforcing ribs to ensure the strength of the valve plate, the cover body wraps the valve plate to reduce the impact of water flow, and the positioning guide assembly is tightly attached to the sewage draining outlet to play a role in stable guide.

As a further explanation of the above scheme, a buffer mechanism is arranged between the valve body and the valve rod, the buffer mechanism comprises a concave disc arranged on the valve plate and a buffer pad arranged in the concave disc, a connecting end is arranged at the end part of the valve rod, the connecting end is movably arranged in the concave disc and is in press fit with the buffer pad, and when water flow impacts, the buffer pad is contacted with the connecting end to effectively relieve the water flow impacts; the whole valve is also protected.

Further, a valve plate backing plate is arranged below the buffer pad and fixed to the bottom of the concave disc.

Furthermore, the connecting end is a spherical end arranged at the lower end of the valve rod, a flange is arranged at the upper part of the concave disc, and the connecting end is positioned in the concave disc through the flange.

Further, the valve rod is provided with a cap, and the cap is provided with threads, so that the valve rod is convenient to disassemble.

Furthermore, a connecting post rod is arranged at the end part of the valve rod, a shaft connector is connected between the connecting post rod and the piston rod of the air cylinder, and the shaft connector comprises a first nut arranged on the piston rod, a second nut arranged on the connecting post rod and a connecting screw sleeve sleeved on the connecting post rod and the piston rod.

Further, a cylinder base is arranged outside the cylinder, the filter tank is provided with an embedded steel plate corresponding to the cylinder base, the cylinder base is welded on the embedded steel plate, pneumatic control is adopted in a limited space, and electric shock is not prone to occurring.

Furthermore, the positioning guide assembly is of a circular ring structure and is fixed at the bottom of the valve body through a fastener, and a rubber sealing ring is arranged between the upper edge of the positioning guide assembly and the valve body, so that the sealing property between the valve body and the valve seat is ensured.

Furthermore, the metal material is made of SUS304 stainless steel, so that the corrosion resistance is good.

The utility model discloses an adopt the beneficial effect that above-mentioned technical solution can reach to be.

1. The utility model discloses a fill the blowoff valve product vacancy that the drain cross-section is on a parallel with ground.

2. The utility model discloses an adopt and set up the location direction subassembly that corresponds with the disk seat on the valve plate of blowoff valve, this stable in structure is reliable, reasonable in design, closely laminates with the drain, has played the steady guide effect.

2. The blowoff valve is provided with buffer gear, bears rivers impact and certain circumference power when the flashboard is opened, and in order to reduce the impact to the influence of valve plate, this valve has designed the blotter, and the sphere has been made to the valve rod lower extreme, and the valve plate welding concave dish, rubber and sphere contact have effectively alleviated rivers impact when rivers impact.

3. According to the self weight of the blowoff valve and the pressure of water, the cylinder is arranged as an actuating mechanism and connected with the valve rod, and the valve is simple and convenient to open and close.

4. The design of the blowoff valve is combined with a cap, so that the disassembly is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of i of fig. 1.

Fig. 3 is an enlarged view of ii of fig. 1.

FIG. 4 is an enlarged view of III of FIG. 1.

FIG. 5 is an enlarged view IV of FIG. 1.

Description of reference numerals: 1. the valve plate assembly comprises a positioning guide assembly 2, a valve plate 3, a sealing ring 4, a valve plate backing plate 5, a buffer pad 6, a flange 7, a valve rod 8, a first combining cap 9, a connecting threaded sleeve 10, a second combining cap 11, a cylinder base 12, a connecting bolt 13, a bolt 14, a valve seat 15, a cylinder 16, a cover body 17, a concave disc 18, a connecting end 19 and an embedded steel plate.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "horizontal", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation and the positional relationship are based on the orientation or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention "at least" means one or more unless specifically defined otherwise.

In the present patent application, unless otherwise explicitly specified or limited, the terms "assembled", "connected" and "connected" should be understood in a broad sense, e.g. fixedly connected, detachably connected or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the claims, unless specified or limited otherwise, a first feature "on" or "under" a second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact by another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solution and the advantages of the present invention are more clear and definite. The embodiments described below are exemplary and are intended to explain the present invention by referring to the figures, but should not be construed as limiting the present invention.

As shown in fig. 1-5, the utility model discloses a blowoff valve of a filter chamber backwashing water discharge system, which comprises a valve seat 14, a cylinder 15, a valve rod 7 and a valve body, wherein the valve seat is fixed above a sewage outlet, and the valve body comprises a valve plate 2, a cover body 16, a sealing ring 3 embedded in the valve body and a positioning guide component 1; sealing washer 3 is connected fixedly through bolt 13 and valve body, has the strengthening rib on the valve body to guarantee the intensity of valve plate, and the cover body is wrapping up the valve plate and has reduced the impact of rivers, and location direction subassembly is closely laminated with the drain, has played the effect of stabilizing the direction. The valve seat is of a stainless steel valve seat structure and is fixed on a cement plate on the upper edge of the sewage draining outlet. The cylinder 15 is externally provided with a cylinder base 11 correspondingly connected with the cylinder, the cylinder base 11 is provided with a connecting bolt 12, the top cover of the filter tank is provided with an embedded steel plate 19 corresponding to the cylinder base, the cylinder base is welded on the welding bottom plate, and the cylinder is vertically fixed on the cylinder base. In this embodiment, the cover 16 is a conical cover welded to the top of the valve body. The top of the cover body is provided with a buffer mechanism, the buffer mechanism comprises a concave disc 17 arranged at the top of the cover body and a buffer pad 5 arranged in the concave disc, the end part of the valve rod is provided with a connecting end 18, and the connecting end and the valve rod are of an integrated structure; the connecting end is an end with a spherical surface arranged at the lower end of the valve rod, and the cushion pad is a rubber pad and is laid at the bottom of the concave disc. A valve plate backing plate 4 is arranged below the buffer pad and fixed at the bottom of the concave disc. The valve rod 7 is connected with the concave disc 17, the concave disc is welded on the valve plate, the positioning guide assembly is connected with the valve plate and tightly attached to the sewage draining port, and the stable guide effect is achieved. The connecting end is movably arranged in the concave disc and is in press fit with the cushion pad, and when water flow impacts, the cushion pad is in contact with the connecting end, so that the water flow impact and the circumferential force action are effectively relieved. The upper part of the concave disc is provided with a flange 6, and the connecting end is positioned in the concave disc through the flange. The valve rod is provided with the cap, and the cap is provided with the screw thread, and dismantles the convenience. In this embodiment, a connecting post rod is arranged at the end of the valve rod, a shaft connector is connected between the connecting post rod and the piston rod of the air cylinder, and the shaft connector comprises a first combining cap 8 arranged on the piston rod, a second combining cap 10 arranged on the connecting post rod, and a connecting threaded sleeve 9 sleeved on the connecting post rod and the piston rod.

In this embodiment, the location direction subassembly is the ring structure, and the location direction subassembly passes through the fastener to be fixed in the bottom of flashboard, is provided with rubber seal 3 between the last reason of location direction subassembly and the flashboard, improves the leakproofness between flashboard and the disk seat.

Compared with the prior art, the technical scheme has the advantages that the blow-down valve is provided with the positioning structure by utilizing the field environment, has stable and reliable structure, is tightly attached to the blow-down port and plays a role in stable guiding; a buffer structure is designed between the valve rod and the cover body of the blow-down valve, so that the influence of water flow impact on the valve plate is reduced, and the whole blow-down valve is more stable in structure; the drain valve is provided with a cap combining mechanism, so that the drain valve is convenient to disassemble; the power mechanism of the blowdown valve is designed into a pneumatic actuator, so that limited space operation is not easy to get an electric shock; all materials are SUS304, so that the corrosion resistance in a sewage environment is good; the blowoff valve fills the market vacancy of the valve.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims (8)

1. A blowoff valve of a filter chamber back flushing water discharge system is characterized by comprising a valve seat, a cylinder, a valve rod and a valve body, wherein the valve seat is fixed on a drain outlet; the valve plate is wrapped up in the cover body, and location direction subassembly and drain are closely laminated.

2. A waste valve for a filter backwash water discharge system as defined in claim 1 wherein a buffer mechanism is provided between the valve body and the valve stem, the buffer mechanism comprising a concave disc provided on the valve plate and a buffer pad provided in the concave disc, the valve stem having a connection end at an end thereof, the connection end being movably provided in the concave disc and being in press-fit engagement with the buffer pad.

3. A waste valve for a filter backwash water drainage system as claimed in claim 2 wherein a valve plate backing plate is provided beneath the cushioning pad, the valve plate backing plate being secured to the bottom of the concave dish.

4. A waste valve for a filter backwash water discharge system as defined in claim 2 wherein the connection end is a spherical end provided at the lower end of the valve stem and the upper part of the concave disc is provided with a flange by which the connection end is positioned within the concave disc.

5. A waste valve for a filter backwash water drainage system as claimed in claim 1 wherein the valve stem is provided with a split cap and the cap is provided with a screw thread.

6. A waste valve for a filter backwash water discharge system as defined in claim 1 wherein the valve rod is provided at an end thereof with a connection post, and a shaft connector is connected between the connection post and the piston rod of the air cylinder, the shaft connector comprising a first nut provided on the piston rod, a second nut provided on the connection post, and a connection screw sleeve fitted over the connection post and the piston rod.

7. The blowdown valve of the filter tank backwash water discharge system as claimed in claim 1, wherein a cylinder base is provided outside the cylinder, the filter tank is provided with an embedded steel plate corresponding to the cylinder base, and the cylinder base is welded on the embedded steel plate.

8. The waste valve of a filter backwash water discharge system as defined in claim 1 wherein the positioning guide member is of a circular ring structure, the positioning guide member is fixed to the bottom of the valve body by a fastening member, and a rubber packing is provided between the upper edge of the positioning guide member and the valve body.

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