Non-return drip-proof water guide device

Abstract

A non-return drip-proof water guide device comprises a water inlet part, a jet flow part, a spring and an annular valve element, the water inlet part comprises an annular water inlet cavity, an annular valve element cavity and a water guide hole, the jet flow part comprises a water guide cavity with an upper opening, an annular valve element seat cavity, an inner water outlet hole set and an outer water outlet hole set, and a pressure relief hole is formed in a bottom plate of the annular valve element seat cavity; the spring is arranged in the annular valve element seat cavity, the annular valve element is matched with the upper end of the spring and is in sliding fit with the annular valve element cavity, the water inlet component is embedded into the water guide cavity and fixed, the upper end of the annular valve element extends into the annular valve element cavity and is sealed, and water flow pressure controls water supply and cut-off. Components are few, the structure is simple, the cost is low, and integration of non-return and drip-proof functions of the water outlet terminal is achieved; the jet flow water outlet part is enlarged according to the proportion, so that the jet flow water outlet part can be directly used as a kitchen drawing shower head, a shower top spraying shower head, a handheld shower head or a water outlet integrated product with a stop valve. The shower nozzle can be used as a water outlet nozzle of a faucet, a shower head or a stop valve.

Description

Technical Field

[0001] The utility model relates to the technical field of bathrooms. Background Art

[0002] At present, the existing technology, Chinese patent 202120796053.4, a water stop check valve, the water stop check valve includes a valve body, a valve cover, a main body, a one-way valve assembly and a water sealing part, the one-way valve assembly includes a one-way valve body, a one-way valve core and a pressure spring, the one-way valve body includes a one-way valve core seat and a water guide frame arranged at one end; the valve stem of the one-way valve core passes through the pressure spring and slides with the guide hole of the water guide frame, the pressure spring cooperates with the one-way valve core and the water guide frame, and the one-way valve core cooperates with the one-way valve seat; the one-way valve assembly is arranged in the one-way valve cavity, the external threaded connection part of the valve cover is screwed with the internal threaded part of the water outlet cavity; the water sealing valve stem is sealed and screwed with the water sealing valve stem channel, and the water sealing core is opposite to the water sealing hole; the main body is tightly matched and sealed with the mounting hole, and the external thread head is screwed with the internal thread of the water outlet. Connected to the waterway and connected with the water end, (a) prevent backwater, (b) also has a cut-off function; easy to use and operate. The problem is that the structure is complex and cannot function as a functional component alone. It can only be installed before and after the main switch valve or at the pipe connection, and cannot directly function at the water outlet terminal. Utility Model Content

[0003] The utility model aims to provide a non-return and anti-drip water guide, which has the characteristics of simple structure, integrated water discharge, non-return and anti-drip, and multi-purpose.

[0004] The utility model is realized in this way: a non-return anti-drip water guide, which is special in that it includes a water inlet component, a jet component, a spring and an annular valve core.

[0005] The water inlet component includes an annular water inlet cavity, an annular valve core cavity and a water guide hole arranged on the partition.

[0006] The jet component includes a water guide cavity with an upper opening, an annular valve core seat cavity with an upper opening, an inner water outlet hole group and an outer water outlet hole group, and a pressure relief hole is provided on the bottom plate of the annular valve core seat cavity;

[0007] The spring is arranged in the annular valve core seat cavity, the annular valve core cooperates with the upper end of the spring and slides with the annular valve core cavity, the water inlet component is embedded in the water guide cavity and fixed, the upper end of the annular valve core extends into the annular valve core cavity and is sealed, and the water flow pressure controls the water on and off.

[0008] Preferably, the cross section of the annular valve core is trapezoidal and an annular spring groove is provided on the lower end surface, and the upper end of the spring is inserted into the annular spring groove.

[0009] Preferably, the annular valve core cavity is trapezoidal.

[0010] Preferably: the water inlet component on the radial inner side of the annular valve core cavity is provided with a hollow slow flow cavity with a lower opening and a plurality of arc-shaped guide limit plates, the slow flow cavity is opposite to the inner water outlet hole, and the arc-shaped guide limit plates are slidably matched with the inner circumferential surface of the annular valve core.

[0011] Preferably: it also includes a filter screen,

[0012] The filter covers the water inlet.

[0013] Preferably, a hollow annular protrusion with an upper opening is provided on the lower end surface of the jet component, and the annular valve core seat cavity extends into the annular protrusion; the annular protrusion surrounds the inner water outlet hole group.

[0014] Preferably, the water inlet component and the jet component are made of plastic material.

[0015] The utility model is a non-return and anti-drip water guide with few parts, simple structure, low cost, *realizing the integration of the non-return and anti-drip function of the water outlet terminal; it can be used as the water outlet of the faucet and the cleaning nozzle, *and the jet water outlet part can be directly used as a kitchen pull-out shower head, a shower head, a hand-held shower head or a product with a stop valve. It can be used as a water outlet of a faucet, a shower head or a stop valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is one of the cross-sectional views of the present utility model.

[0017] Figure 2 This is the second sectional view of the present utility model.

[0018] Figure 3 It is a stereogram of the utility model.

[0019] Figure 4 It is one of the three-dimensional exploded views of the utility model.

[0020] Figure 5 This is the second three-dimensional exploded view of the present utility model.

[0021] Figure 6 This is the third three-dimensional exploded view of the present utility model.

[0022] Figure 7 It is a stereoscopic diagram of the water inlet component of the utility model. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figure 1 , Figure 2 , Figure 3 As shown, a non-return anti-drip water guide comprises a water inlet component 1, a jet component 2, an annular valve core 4 and a spring 3.

[0027] The water inlet component 1 includes an annular water inlet chamber 11, an annular valve core chamber 12 and a water guide hole 23 arranged on the partition. The annular water inlet chamber 11 and the annular valve core chamber 12 are arranged up and down, and the partition serves as a valve core seat plate. When cutting off the flow, the annular valve core is sealed with the annular valve core chamber 12, and the upper end surface is in contact with the partition.

[0028] The jet component 2 includes an upper opening water guide cavity 21, an upper opening annular valve core seat cavity 22, an inner water outlet hole group 23 and an outer water outlet hole group 24. A pressure relief hole 221 is provided on the bottom plate of the annular valve core seat cavity 22. The annular valve core seat cavity 22, the inner water outlet hole group 23 and the outer water outlet hole group 24 are sequentially arranged on the bottom plate of the water guide cavity 21 from the center to the radial outside.

[0029] The spring 3 is arranged in the annular valve core seat cavity 22, the annular valve core 4 cooperates with the upper end of the spring and slides with the annular valve core cavity 12, the water inlet component 1 is embedded in the water guide cavity 21 and fixed, the upper end of the annular valve core 4 extends into the annular valve core cavity 12 and is sealed, and the water flow pressure controls the water flow.

[0030] The water inlet component 1 and the jet component 2 are made of plastic material

[0031] The upper opening end of the water guiding cavity 21 is provided with a countersunk hole, and the water inlet component 1 is embedded in the countersunk hole.

[0032] As a further improvement of the utility model: the cross section of the annular valve core 4 is trapezoidal and an annular spring groove 41 is provided on the lower end surface, and the upper end of the spring 3 is inserted into the annular spring groove 41. With such a design, the axial movement of the annular valve core 4 is realized;

[0033] As a further improvement of the present invention: the annular valve core cavity 12 is trapezoidal.

[0034] As a further improvement of the utility model: the water inlet component 1 on the radial inner side of the annular valve core cavity 12 is provided with a hollow slow flow cavity 121 with an opening at the bottom and a plurality of arc-shaped guide limit plates 122, the slow flow cavity 121 is opposite to the inner water outlet hole group 23, and the arc-shaped guide limit plates 122 are slidably matched with the inner circumferential surface of the annular valve core 4. The upper end of the annular valve core between two adjacent arc-shaped guide limit plates 122 constitutes a radial water guide hole.

[0035] As a further improvement of the utility model: it also includes a filter screen 5,

[0036] The filter screen 5 covers the water inlet component 1 .

[0037] As a further improvement of the utility model: an annular protrusion 25 is provided on the lower end surface of the jet component 2 , and the annular valve core seat cavity 22 extends into the annular protrusion 25 ; the annular protrusion 25 surrounds the inner water outlet hole group 23 .

[0038] When the utility model is used, the utility model can be arranged at the end of the water outlet pipe of a faucet and serve as a water outlet nozzle or a cleaning nozzle.

[0039] The water outlet part can also be enlarged to directly serve as an overhead spray or a hand-held shower, or be arranged in a water nozzle, an overhead spray or a hand-held shower.

[0040] Figure 1 is a view in the cut-off state. Figure 1 In this state, water from the water source enters the annular water inlet chamber 11, and the annular valve core 4 moves downward under the action of the water flow pressure, compressing the spring 3, and the annular valve core 4 leaves the annular valve core chamber 12, and then the water enters the water guide chamber 21. When the water source is closed and the water pressure in the annular water inlet chamber 11 is less than the spring force of the spring 3, the annular valve core 4 is reset and cut off, realizing the integration of the water outlet terminal with the cutoff and anti-drip functions.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A non-return anti-drip water guide, characterized in that: It includes water inlet components, jet components, springs and annular valve core. The water inlet component includes an annular water inlet cavity, an annular valve core cavity and a water guide hole arranged on the partition. The jet component includes a water guide cavity with an upper opening, an annular valve core seat cavity with an upper opening, an inner water outlet hole group and an outer water outlet hole group, and a pressure relief hole is provided on the bottom plate of the annular valve core seat cavity; The spring is arranged in the annular valve core seat cavity, the annular valve core cooperates with the upper end of the spring and slides with the annular valve core cavity, the water inlet component is embedded in the water guide cavity and fixed, the upper end of the annular valve core extends into the annular valve core cavity and is sealed, and the water flow pressure controls the water on and off.

2. The non-return and anti-drip water guide according to claim 1, characterized in that: The cross section of the annular valve core is trapezoidal and an annular spring groove is arranged on the lower end surface, and the upper end of the spring is inserted into the annular spring groove.

3. The non-return and anti-drip water guide according to claim 2, characterized in that: The annular valve core cavity is trapezoidal.

4. The non-return and anti-drip water guide according to claim 1, characterized in that: The water inlet component on the radial inner side of the annular valve core cavity is provided with a hollow slow flow cavity with an opening at the bottom and a plurality of arc-shaped guide limit plates. The slow flow cavity is opposite to the inner water outlet hole group, and the arc-shaped guide limit plates are slidably matched with the inner circumferential surface of the annular valve core.

5. The non-return and anti-drip water guide according to claim 1, characterized in that: Also includes filter, The filter covers the water inlet.

6. A non-return and anti-drip water guide according to claim 1, 2, 3, 4 or 5, characterized in that: A hollow annular protrusion with an upper opening is arranged on the lower end surface of the jet component, and the annular valve core seat cavity extends into the annular protrusion; the annular protrusion surrounds the inner water outlet hole group.

7. The non-return and anti-drip water guide according to claim 1, characterized in that: The water inlet component and the jet component are made of plastic material.

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