Salt suction device for reversing valve of water softener

Abstract

The utility model provides a water softener reversing valve salt suction device which comprises a first valve element section and a second valve element section which are coaxially arranged and connected with each other, a gap is formed between the first valve element section and the second valve element section, a salt suction area is formed, liquid inlet holes are formed in the two ends of the first valve element section in a penetrating mode, and the liquid inlet ends of the liquid inlet holes are conical. Liquid outlet holes coaxial with the liquid inlet holes penetrate through the two ends of the second valve element section, and the outlet ends of the liquid outlet holes are flared and form diffusion areas. The side wall of the first valve element section and the side wall of the second valve element section are provided with sealing ring installation grooves used for installing sealing rings, the side wall of the first valve element section or the side wall of the second valve element section is provided with external threads, and the end of the first valve element section or the end of the second valve element section is provided with an operation hole used for driving the first valve element section or the end of the second valve element section to rotate so that the first valve element section or the end of the second valve element section can be installed in a valve hole. The salt suction device for the reversing valve of the water softener is compact in structure, small in size, high in salt suction efficiency, good in salt suction effect, convenient to mount and dismount, beneficial to daily maintenance, low in manufacturing and using cost and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water softener, especially to a water softener reversing valve salt suction device. BACKGROUND

[0002] In the current water quality treatment field, the hard water problem has been an important problem bothering people's life and industrial production. Hard water, that is, water containing more soluble calcium and magnesium compounds, in daily life, using hard water will bring many inconveniences. For example, when hard water is used for washing, it will react with detergents such as soap to produce substances that are difficult to dissolve, reducing the washing effect, and at the same time, it may also leave stains on clothes, affecting the service life of clothes. In the kitchen, hard water is easy to form scale on the surface of kettles, pots and other utensils, which is not only difficult to clean, but also reduces the heating efficiency and increases energy consumption. Long-term drinking of hard water may also pose a potential threat to human health.

[0003] With the improvement of people's awareness of water safety, the water softener is slowly entering the ordinary family, but most of the water softeners on the market are medium and large equipment, which are large in size and occupy space, and the softening effect is poor, which makes it difficult for many ordinary families to install the water softener.

[0004] In the current water softener, the salt suction device adopts a split structure, which is not convenient to assemble, and is not conducive to the compactness and miniaturization of the structure, thereby not conducive to the miniaturization design of the whole water softener reversing valve, causing the volume to be large. UTILITY MODEL CONTENTS

[0005] Technical problems to be solved

[0006] The technical problem to be solved by the utility model is to provide a water softener reversing valve salt suction device which is compact in structure, small in size, easy and labor-saving to install, and good in use effect.

[0007] Technical scheme for solving problems

[0008] The utility model provides a water softener reversing valve salt suction device, including first valve core section 51a and second valve core section 51b who are coaxially arranged and are connected with each other, there is gap between first valve core section 51a and second valve core section 51b and forms salt suction area, the both ends of first valve core section 51a are penetrated by liquid inlet hole, the liquid inlet end of liquid inlet hole is conical, the both ends of second valve core section 51b are penetrated by liquid outlet hole who is coaxial with liquid inlet hole, the outlet end of liquid outlet hole is flared and forms diffusion area;The side wall of first valve core section 51a and second valve core section 51b is equipped with sealing ring installation groove for installing sealing ring, the side wall of first valve core section 51a or second valve core section 51b is equipped with external thread, and the end of first valve core section 51a or second valve core section 51b is equipped with operating hole 520 for driving its rotation to install it to the valve hole.

[0009] Further, the liquid inlet hole comprises a liquid inlet hole I 502, an inlet end of the liquid inlet hole I 502 is flared and forms a tapered liquid inlet hole II 501.

[0010] Further, the outer end of the first valve core segment 51a or the second valve core segment 51b extends radially outward and forms an annular protrusion, the external thread is arranged on the outer wall of the annular protrusion and forms a threaded segment 52, and the end of the threaded segment forms a stepped surface for axial positioning.

[0011] Further, the operation hole 520 is a regular polygon hole.

[0012] Further, the inner end of the first valve core segment 51a is provided with a cylindrical protrusion 53, and the liquid inlet hole penetrates the end face of the cylindrical protrusion 53.

[0013] Further, the liquid outlet hole comprises a liquid outlet hole I 503 facing the liquid inlet hole, the diameter of the liquid outlet hole I 503 is greater than or equal to the diameter of the liquid inlet hole I 502, and the outlet end of the liquid outlet hole I 503 is flared and forms a tapered liquid outlet hole II 504, and the liquid outlet hole II serves as the diffusion zone.

[0014] Further, the first valve core segment 51a and the second valve core segment 51b are rigidly connected through a plurality of connecting portions 56, and one or more salt inlet holes 560 for salt inlet are arranged on the connecting portions 56.

[0015] Further, the outer diameter of the connecting portion is smaller than the outer diameter of the first valve core segment 51a or the second valve core segment 51b and forms an annular groove between the first valve core segment 51a and the second valve core segment 51b.

[0016] Further, the first valve core segment 51a and the second valve core segment 51b are integrally formed.

[0017] Further, the first valve core segment 51a and the second valve core segment 51b have the same diameter.

[0018] Further, the side wall of the first valve core segment 51a and / or the second valve core segment 51b is provided with a lightening hole.

[0019] Beneficial effects

[0020] The soft water machine reversing valve salt suction device of the utility model, adopt integral design, simplified structure, reduced the number of parts, reduced production cost, at the same time, convenient to assemble, and the assembly precision is high, improved the stability and service life of the device, set threaded section structure, not only enhanced the firmness of connection, also convenient to disassemble and replace, beneficial to routine maintenance and maintenance, prolong the service life of the device, reduced the use cost, set the projection, form nozzle structure, help to enhance the negative pressure, accelerate the salt water suction, improve the salt suction efficiency and effect, beneficial to the miniaturization and compact design of structure, set annular groove structure, when assembling, need not consider radial positioning, only need to consider axial positioning, can make the salt suction channel in the valve hole communicate the whole annular groove, its make assembly more simple and efficient, reduced assembly error, ensured the smoothness of the salt suction channel, further improved the overall performance and reliability of the soft water machine, the soft water machine reversing valve salt suction device of the utility model, compact structure, small volume, high salt suction efficiency and good effect, at the same time, convenient to install and disassemble, beneficial to routine maintenance, low manufacturing and using cost, and long service life. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is structure schematic view of the soft water machine reversing valve salt suction device of the utility model.

[0022] Figure 2 It is another angle structure schematic view of the soft water machine reversing valve salt suction device of the utility model.

[0023] Figure 3 It is sectional view of the soft water machine reversing valve salt suction device of the utility model.

[0024] Figure 4 It is use state schematic view of the soft water machine reversing valve salt suction device of the utility model. DETAILED DESCRIPTION

[0025] The utility model embodiment will be introduced in detail below in combination with the drawings.

[0026] Refer to Figures 1-4The utility model provides a kind of soft water machine reversing valve salt suction device, including one valve core, the valve core is composed of first valve core section 51a and second valve core section 51b, first valve core section 51a and second valve core section 51b are cylindrical, its outer diameter is same and coaxially arranged, first valve core section 51a and second valve core section 51b are mutually connected, form an entirety, there is gap between first valve core section 51a and second valve core section 51b, form salt suction area, it is used to generate negative pressure and attract brine, liquid inlet hole is penetrated in both ends of first valve core section 51a, the liquid inlet hole is center hole, i. e. the liquid inlet hole is coaxial with first valve core section 51a, the liquid inlet end of liquid inlet hole is conical, specifically, the liquid inlet hole includes liquid inlet hole I 502, the inlet end flared (diameter increases) of liquid inlet hole I 502, form conical liquid inlet hole II 501, i. e. the conical structure of the large inlet end and the small outlet end of liquid inlet hole II 501, it is a necked structure from liquid inlet direction to liquid outlet direction, it helps to guide fluid to enter into liquid inlet hole I stably, and then increase flow rate;Liquid outlet hole is penetrated in both ends of second valve core section 51b, the liquid outlet hole is coaxial with liquid inlet hole, the liquid discharged from liquid inlet hole enters into liquid outlet hole at high speed, the outlet end of liquid outlet hole is flared (diameter increases), form diffusion zone, specifically, liquid outlet hole includes liquid outlet hole I 503 towards liquid inlet hole, the diameter of liquid outlet hole I 503 is greater than the diameter of liquid inlet hole I 502, the outlet end of liquid outlet hole I 503 is flared (diameter increases), form conical liquid outlet hole II 504, the liquid outlet hole II is diffusion zone, the conical structure of liquid outlet hole II 504 helps liquid to diffuse rapidly, overall form venturi effect, realize the efficient attraction and uniform distribution of brine, improve salt suction efficiency, ensure that soft water machine operates stably;And in the application, the diameter of the end of diffusion zone is greater than the end diameter of liquid inlet hole II 501, and the diffusion effect is good.

[0027] To improve adsorption effect, in the application, cylindrical protrusion 53 is arranged at the end of the inner side (close to the end of salt suction area) of first valve core section 51a, liquid inlet hole penetrates the end face of cylindrical protrusion 53, forms a nozzle structure, which can reduce the distance between the outlet end of liquid inlet and liquid outlet, and help to enhance negative pressure and accelerate brine suction.

[0028] First sealing ring mounting groove 54 is arranged on the side wall of first valve core section 51a for installing sealing ring, second sealing ring mounting groove 55 is arranged on the side wall of second valve core section 51b for installing sealing ring, to ensure the sealing between valve core and valve body, prevent leakage and affect adsorption effect, and improve the overall performance of the device.

[0029] The side wall of the first valve core segment 51a or the second valve core segment 51b is provided with external threads, and the end of the first valve core segment 51a or the second valve core segment 51b is provided with an operation hole 520 for driving the valve core to rotate by a tool, and then fixed in the valve hole of the valve body. The operation hole 520 is designed to facilitate installation and maintenance. In this application, the operation hole 520 is a regular polygon hole, which can be a cross structure or a hexagonal hole, facilitating operation with standard tools, and facilitating assembly and daily maintenance and maintenance.

[0030] Specifically, the outer side (far from the salt suction area end) end of the first valve core segment 51a or the second valve core segment 51b extends radially outward to form an annular protrusion, and the external threads are arranged on the outer wall of the annular protrusion to form a threaded segment 52. The end of the threaded segment forms a stepped surface for axial positioning during assembly. In this embodiment, the threaded segment is arranged at the end of the second valve core segment, and the operation hole is arranged at the end of the threaded segment and communicates with the outlet hole.

[0031] The first valve core segment 51a and the second valve core segment 51b in this application are rigidly connected through a plurality of connecting parts 56. Specifically, the first valve core segment 51a and the second valve core segment 51b are integrally formed, and one or more salt inlet holes 560 are formed on the connecting part 56 for salt inlet. In order to improve the salt suction efficiency and effect, and facilitate assembly, the outer diameter of the connecting part is smaller than the outer diameter of the valve core, thereby forming an annular groove between the first valve core segment 51a and the second valve core segment 51b. During assembly, radial positioning is not required, only axial positioning is required, which can make the salt suction channel in the valve hole communicate with the entire annular groove to form reliable salt suction.

[0032] At the same time, the side wall of the first valve core segment 51a or the second valve core segment 51b can be provided with a lightening hole for reducing weight and saving materials, thereby achieving the purpose of reducing cost.

[0033] During assembly, it is installed into the valve hole of the valve body 2, and the end of the valve hole is provided with internal threads matched with the external threads of the valve core. After tightening, firm fixation is realized, and at the same time, axial positioning is formed by the stepped surface of the threaded segment. After assembly is completed, the sealing ring is attached to the inner wall of the valve hole and forms a seal. At the same time, the salt suction channel of the inner wall of the valve hole is connected with the annular groove (the salt suction area between the two valve core segments) to form a high-efficiency salt suction path, ensuring smooth flow of brine and improving the adsorption efficiency.

[0034] The soft water machine reversing valve salt suction device has the advantages of compact structure, small size, high salt suction efficiency and good effect, convenient installation and disassembly, daily maintenance, low manufacturing and using cost, long service life and the like.

[0035] The above is only the preferred embodiment of the present utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, several improvements and refinements can be made without departing from the technical principles of the present utility model, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A brine suction device for a reversing valve of a water softener, characterized in that: The device includes a first valve core segment and a second valve core segment that are coaxially arranged and interconnected. A gap exists between the first valve core segment and the second valve core segment, forming a salt absorption zone. Both ends of the first valve core segment have liquid inlet holes, and the liquid inlet end of the liquid inlet hole is tapered. Both ends of the second valve core segment have liquid outlet holes that are coaxial with the liquid inlet holes, and the outlet end of the liquid outlet hole is flared to form a diffusion zone. The sidewalls of the first valve core segment and the second valve core segment are provided with sealing ring mounting grooves for installing sealing rings. The sidewalls of the first valve core segment or the second valve core segment are provided with external threads. The ends of the first valve core segment or the second valve core segment are provided with operating holes for driving them to rotate and install them into the valve hole.

2. The brine suction device for the reversing valve of a water softener as described in claim 1, characterized in that: The liquid inlet includes liquid inlet I, and the inlet end of liquid inlet I is flared to form a conical liquid inlet II.

3. The brine suction device for the reversing valve of a water softener as described in claim 1, characterized in that: The outer end of the first valve core segment or the second valve core segment extends radially outward and forms an annular protrusion. The external thread is provided on the outer wall of the annular protrusion and forms a threaded segment. The end of the threaded segment forms a stepped surface for axial positioning.

4. The brine suction device for the reversing valve of a water softener as described in claim 1, characterized in that: The operating hole is a regular polygonal hole.

5. The brine suction device for the reversing valve of a water softener as described in claim 1, characterized in that: The inner end of the first valve core section is provided with a cylindrical protrusion, and the liquid inlet hole penetrates through the end face of the cylindrical protrusion.

6. The brine suction device for the reversing valve of a water softener as described in claim 2, characterized in that: The liquid outlet includes a liquid outlet I facing the liquid inlet, the diameter of the liquid outlet I is greater than or equal to the diameter of the liquid inlet I, and the outlet end of the liquid outlet I is widened to form a conical liquid outlet II, the liquid outlet II serving as the diffusion zone.

7. The brine suction device for the reversing valve of a water softener as described in claim 1, characterized in that: The first valve core section and the second valve core section are rigidly connected by multiple connecting parts, and one or more salt inlets are provided on the connecting parts for salt inlet.

8. The brine suction device for the reversing valve of a water softener as described in claim 7, characterized in that: The outer diameter of the connecting part is smaller than the outer diameter of the first valve core segment or the second valve core segment, and an annular groove is formed between the first valve core segment and the second valve core segment.

9. The brine suction device for the reversing valve of a water softener as described in claim 1, characterized in that: The first valve core segment and the second valve core segment are integrally formed.

10. The brine suction device for the reversing valve of a water softener as described in claim 1, characterized in that: The first valve core section and the second valve core section have the same diameter.

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