CN112295802A

CN112295802A - Universal shower nozzle subassembly, universal shower nozzle and spray set

Info

Publication number: CN112295802A
Application number: CN201910685703.5A
Authority: CN
Inventors: 马昆
Original assignee: Hunan Dihong Wulian Technology Co ltd
Current assignee: Hunan Dihong Wulian Technology Co ltd
Priority date: 2019-07-28
Filing date: 2019-07-28
Publication date: 2021-02-02

Abstract

The invention provides a universal spray head assembly, a universal spray head and a spraying device, which comprise a first rotating pipe fitting and a second rotating pipe fitting, wherein the first rotating pipe fitting comprises a first plug end and a nozzle mounting end, and an included angle of a central axis of the first plug end and a central axis of the nozzle mounting end is 20-45 degrees; the first rotating pipe fitting rotates by taking a central axis of the first plug end as an axis; the second rotating pipe fitting comprises a second inserting end and a second plug end, the second plug end comprises a second clamping portion, an included angle between a central axis of the second inserting end and a central axis of the second plug end is 20-45 degrees, the second rotating pipe fitting rotates by taking the central axis of the second plug end as an axis, and the second rotating pipe fitting is characterized in that the second inserting end comprises a first inserting end and a second plug end, and the second inserting end comprises a second inserting end and a second plug end, the second inserting end comprises a second: the jet direction of the nozzle can be adjusted universally, pressure drop and energy loss caused by vortex generated at the turning part of the flow channel are avoided, and the jet direction is prevented from being changed under the action of the reaction force and gravity of jet; the internal elements of the first rotating pipe and the second rotating pipe are simplified, so that the volume is reduced.

Description

Universal shower nozzle subassembly, universal shower nozzle and spray set

Technical Field

The invention relates to the field of spray heads, in particular to a universal spray head assembly, a universal spray head and a spraying device.

Background

At present, the interior of an integrated universal spray head is connected and angle-adjusted by adopting a spherical structure, but the adjustable spray angle is generally about +/-15 degrees, the adjustment range is small, the use flexibility is poor, and the use requirement cannot be met;

for example, chinese utility model CN 207343079 discloses a spraying subassembly, including three way connection, straight joint, first elbow joint, second elbow joint, third elbow joint and fog nozzle, the rotatable and detachable connection in three way connection's one end of straight joint, the rotatable and detachable connection in the one end of first elbow joint of the other end of straight joint, the rotatable and detachable connection in the one end of second elbow joint of the other end of first elbow joint, the rotatable and detachable connection in the one end of third elbow joint of the other end of second elbow joint, the one end detachable connection in the other end of third elbow joint of fog nozzle.

The utility model adjusts the spraying direction by three-dimensional rotation of the three elbow joints, thereby causing excessive parts of the spraying assembly to increase the failure rate and the cost, and having large volume and influencing the beauty; because the maximum force arm of the universal spray head consisting of the straight elbow joint is the vertical distance from the rotation axis of the first elbow joint to the rotation axis of the third elbow joint, the spray assembly is easy to rotate and displace around the rotation axis of the first elbow joint and the rotation axis of the second elbow joint due to the factors of reaction force generated when liquid is sprayed through the spray nozzle and the gravity of the spray assembly, so that the spray angle is changed, and the stability of the spray direction is influenced; and because of using straight elbow joint, the internal flow path is the right angle runner, is easy to be detained the air bubble, causes pressure loss to and when the liquid flows through right angle runner, the vortex that produces causes pressure drop and energy loss.

Disclosure of Invention

The embodiment of the invention provides a universal spray head assembly, a universal spray head and a spraying device, which are used for reducing the components of the universal spray head to reduce the volume, increasing the frictional resistance by reducing the force arm and increasing the matching tightness of a plug end and a plug end, thereby greatly increasing the stability of the spraying direction, and avoiding the pressure drop and the energy loss caused by the retention of air bubbles and the generation of vortex in an internal flow passage because the angle of the internal flow passage is more than 135 degrees.

According to a first aspect of embodiments of the present invention, there is provided a universal showerhead assembly comprising: first rotating pipe fitting and second rotating pipe fitting, characterized in that, first rotating pipe fitting includes: the nozzle comprises a first plug end and a nozzle mounting end, wherein the first plug end comprises a first clamping part and a first sealing part, and an included angle between the central axis of the first plug end and the central axis of the nozzle mounting end is 20-45 degrees; the first rotating pipe fitting rotates by taking a central axis of the first plug end as an axis;

the second rotating tube, comprising: the second plug end comprises a second plug end body, the second plug end body comprises a second clamping matching portion, the second clamping matching portion is matched with the first clamping portion in an abutting mode to prevent the first rotating pipe fitting and the second rotating pipe fitting from loosening under the action of pressure, the second plug end body comprises a second clamping portion, the included angle between the central axis of the second plug end body and the central axis of the second plug end body is 20-45 degrees, and the second rotating pipe fitting rotates by taking the central axis of the second plug end body as an axis.

Optionally, the first clamping portion comprises a first boss and a first clamping groove, the second clamping matching portion comprises a second protrusion and a second groove, the first clamping groove is connected with the second protrusion in a matched mode, the first boss is accommodated in the second groove, and therefore the first rotating pipe fitting and the second rotating pipe fitting are prevented from being loosened under the action of pressure.

Optionally, the first boss comprises at least one first opening groove, wherein the first opening groove is used for contracting the diameter of the first boss under the action of the extrusion force.

Optionally, the first sealing portion at least includes a first sealing ring and a first sealing ring accommodating groove, the first sealing ring is disposed in the first sealing ring accommodating groove, and the first sealing ring is in close contact with an inner wall surface of the second plug end, so that the first plug end is hermetically connected with the second plug end;

or the first sealing part at least comprises a first bulge ring, wherein the first bulge ring and the first plug end are integrated, and the first bulge ring is tightly contacted with the inner wall surface of the second plug end, so that the first plug end is hermetically connected with the second plug end.

Optionally, in the universal nozzle assembly, since the first plug end and the second plug end are in mutual matching connection, the first plug end and the second plug end can be replaced with each other, that is, the first plug end can be replaced with the second plug end and disposed on the second rotating pipe, and the second plug end can be replaced with the first plug end and disposed on the first rotating pipe.

Optionally, the second plug end is a long cylinder, and the second clamping portion is an annular groove.

Optionally, the second clamping portion includes a second boss and a second clamping groove.

Optionally, the second boss includes at least one second opening groove, where the second opening groove is used to contract the diameter of the second boss under the action of the pressing force.

Optionally, the universal nozzle subassembly still includes the third and connects the pipe fitting, the third is connected the pipe fitting and is included third grafting end and third joint pipe end, wherein, the third is pegged graft and is included third joint cooperation portion, third joint cooperation portion with the butt of mutually supporting of second joint portion to prevent the rotatory pipe fitting of second with the third is connected the pipe fitting and is taken off under the effect of pressure, the third is connected the pipe fitting and is included at least one third joint pipe end for connect at least one infusion pipeline.

Optionally, the third plugging end is a quick-plugging connector for quickly inserting and removing the second plug end, wherein the third clamping matching portion is a snap spring or a clamping strip, the snap spring or the clamping strip is clamped in an annular groove of the second clamping portion, and the snap spring or the clamping strip is abutted to the annular groove.

Optionally, the second plug end further includes a second sealing portion, where the second sealing portion includes at least one second sealing ring and a second sealing ring receiving groove, the second sealing ring is disposed in the second sealing ring receiving groove, and the second sealing ring is in close contact with an inner wall surface of the third plug end, so that the second plug end is hermetically connected to the third plug end;

or the second sealing part at least comprises a second bulge ring, wherein the second bulge ring and the second plug end are integrated, and the second bulge ring is tightly contacted with the inner wall surface of the third plug end, so that the second plug end is hermetically connected with the third plug end.

Optionally, the third connecting pipe further includes a third clamping portion, an external thread portion, and a third movable clamping portion, wherein the third movable clamping portion is screwed to the external thread portion to adjust a distance between the third movable clamping portion and the third clamping portion, so as to adapt to installation of fixing holes with different thicknesses.

Optionally, the third connecting tube further comprises at least one gasket member for indirectly increasing the thickness of the fixing hole.

Optionally, an included angle between the central axis of the first plug end and the central axis of the nozzle mounting end is preferably 45 °, and an included angle between the central axis of the second plug end and the central axis of the second plug end is preferably 45 °.

Optionally, the second plug end further includes a second inner tube core, and/or the third plug end further includes a third inner tube core, wherein the second inner tube core is inserted into the tube of the first plug end, and the third inner tube core is inserted into the tube of the second plug end, so as to better increase the tightness of the contact between the first and/or second protrusion ring and the inner wall surface of the second and/or third plug end, and simultaneously increase the rotational friction force and stability of the plug end and the plug end.

According to a second aspect of embodiments of the present invention, there is provided a universal spray head comprising a nozzle assembly, and a universal spray head assembly as described in any of the above.

According to a third aspect of the embodiments of the present invention, there is provided a shower apparatus including any one of the above-described universal showerhead assemblies.

The embodiment of the invention can have the following beneficial effects through the technical scheme:

according to the technical scheme provided by the embodiment of the invention, the included angle of the two central axes of the first rotating pipe fitting and the included angle of the two central axes of the second rotating pipe fitting are set to be 20-45 degrees, the angle of the internal flow channel is 160-135 degrees, so that the pressure loss caused by air bubbles retained at the turning part of the flow channel is avoided, the pressure drop and the energy loss caused by vortex at the turning part of the flow channel are avoided, the injection direction of the nozzle can be universally adjusted by rotating around the two rotating shafts of the first rotating pipe fitting and the second rotating pipe fitting, and the nozzle is flexible and convenient to use; the frictional resistance is increased and the force arm is reduced by increasing the matching tightness of the plug end and the inserting end, so that the spraying direction is prevented from being changed under the action of the reaction force and the gravity of the spraying; the internal elements of the first rotating pipe fitting and the second rotating pipe fitting are simplified, so that the size is reduced, and meanwhile, the connection reliability is guaranteed.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

In order to more clearly illustrate the embodiments or prior art solutions of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below and used together with the description to explain the principles of the present disclosure.

FIG. 1 is a first schematic view of a universal showerhead assembly according to an embodiment of the present invention.

Fig. 2 is a second schematic diagram of a universal nozzle assembly according to an embodiment of the present invention.

Fig. 3 is a third schematic diagram of a universal nozzle assembly according to an embodiment of the invention.

Fig. 4 is a fourth schematic view of a universal nozzle assembly according to an embodiment of the present invention.

FIG. 5 is a fifth schematic view of a universal showerhead assembly according to an embodiment of the invention.

FIG. 6 is a sixth schematic view of a universal showerhead assembly according to an embodiment of the invention.

Fig. 7 is a seventh schematic view of a universal nozzle assembly according to an embodiment of the invention.

Fig. 8 is an eighth schematic diagram of a universal showerhead assembly according to an embodiment of the invention.

FIG. 9 is a ninth schematic view of a universal showerhead assembly according to an embodiment of the invention.

FIG. 10 is a schematic diagram of a showerhead assembly according to an embodiment of the invention.

Fig. 11 is a schematic perspective view of a universal nozzle according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Moreover, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

As shown in fig. 1, an embodiment of the present invention provides a universal nozzle assembly, including: first rotating tube member 01 and second rotating tube member 04, first rotating tube member 01, includes: the nozzle comprises a first plug end 02 and a nozzle mounting end 03, wherein an included angle theta 1 between a central axis G2 of the first plug end and a central axis G1 of the nozzle mounting end is 20-45 degrees; the first rotating pipe member 01 rotates about a central axis G2 of the first plug end.

A second rotating tube 04 comprising: the plug comprises a second plug end 05 and a second plug end 06, an included angle theta 2 between a central axis G4 of the second plug end and a central axis G3 of the second plug end is 20-45 degrees (namely theta 2= theta 1) corresponding to theta 1, the central axis G4 of the second plug end is overlapped with the central axis G2 of the first plug end, and the second rotary pipe fitting 04 rotates by taking the central axis G3 of the second plug end as an axis.

Specifically, because the included angle θ 1 between the central axes G2 and G1 is 20 ° to 45 °, when the first rotating pipe fitting 01 rotates around the central axis G2, for example, the included angle θ 1 is 20 °, the included angle between the central axes G2 and G1 is 20 ° to 160 °, the angle variation range of the spraying direction of the nozzle assembly 10 is 90 ° to 50 ° (the vertical line to the central axis G3 is used as a start angle), when the second rotating pipe fitting 04 rotates around the central axis G3, because the first rotating pipe fitting 01 is connected to the second rotating pipe fitting 04, when the first rotating pipe fitting 01 and the second rotating pipe fitting 04 rotate 360 °, the angle variation range of the spraying direction of the nozzle assembly 10 is 50 ° 130 °, and the spraying direction of the nozzle assembly 10 is within an arc surface range taking the central axis G3 as an axis, so as to achieve the purpose of universal spraying; when the angle of the spraying direction is 50 ° and 90 °, the length of the rotating arm of the reaction force generated by the sprayed liquid to the central axis G3 is 0, and only when the angle of the spraying direction is 70 °, the length of the rotating arm of the reaction force to the central axis G3 is the longest, that is, the length of the rotating arm of the central axis G1 is the perpendicular distance to the central axis G3, and if the first rotating pipe is a right-angle pipe, the length of the rotating arm can be understood as the length of the central axis G2 between the central axis G1 and the central axis G3, and obviously, the length is longer than the perpendicular distance between the central axis G1 and the central axis G3, so that the rotating arm of the central axis G3 of the universal nozzle assembly of the embodiment of the present invention is shortened, thereby increasing; for another example, the included angle θ 1 is 45 °, the included angle of the central axis G2 and the included angle of the central axis G1 ranges from 45 ° to 135 °, the angle of the spray direction of the nozzle assembly 10 ranges from 90 ° to 0 ° (taking the vertical line with the central axis G3 as the initial angle), when the second rotating pipe 04 rotates around the central axis G3, because the first rotating pipe 01 is connected to the second rotating pipe 04, when the first rotating pipe 01 and the second rotating pipe 04 rotate for 360 °, the angle of the spray direction of the nozzle assembly 10 ranges from 0 ° to 180 °, the spray direction of the nozzle assembly 10 ranges from a semicircle taking the central axis G3 as the axis, so as to achieve the purpose of universal spraying; when the angle of the spraying direction is 0 ° and 90 °, the length of the rotating arm of the reaction force generated by the sprayed liquid to the central axis G3 is 0, and only when the angle of the spraying direction is 45 °, the length of the rotating arm of the reaction force to the central axis G3 is the longest, that is, the length of the rotating arm of the central axis G1 is the perpendicular distance to the central axis G3, and if the first rotating pipe is a right-angle pipe, the length of the rotating arm can be understood as the length of the central axis G2 between the central axis G1 and the central axis G3, and obviously, the length is longer than the perpendicular distance between the central axis G1 and the central axis G3, so that the rotating arm of the central axis G3 of the universal nozzle assembly of the embodiment of the present invention is shortened, thereby increasing; in addition, the nozzle assembly 10 can be connected with the nozzle mounting end 03 through threads, and can also be connected with the nozzle mounting end in other modes (such as clamping, sleeving and inserting), and because the included angles of the central axes G2 and G1 and the included angles of the central axes G4 and G3 are both 20-45 degrees, the angle of the turning part of the internal flow channel is 160-135 degrees, pressure drop and energy loss caused by pressure loss and vortex generated due to air bubbles retained in the internal flow channel are avoided.

The first plug end 02 comprises a first clamping part 023 and a first sealing part 026, the second plug end 05 comprises a second clamping matching part 053, and the second clamping matching part 053 and the first clamping part 023 are mutually matched, abutted and rotatable; the first clamping part 023 comprises a first boss 021 and a first clamping groove 022, the second clamping matching part 053 comprises a second protrusion 052 and a second groove 051, the first boss 021 is conical, so that in the assembling process, when the first boss 021 passes through the second protrusion 052, the inner diameter of the second protrusion 052 is expanded due to the extrusion effect of an inclined surface, the first boss 021 passes through the second protrusion 052, so that the first boss 021 is accommodated in the second groove 051, and after the second protrusion 052 loses extrusion force, the original shape is restored and accommodated in the first clamping groove 022 so as to be mutually matched and abutted, so that the first rotary pipe fitting 01 and the second rotary pipe fitting 04 are prevented from being loosened under the action of liquid pressure; the first sealing portion 026 includes a first sealing ring receiving groove 024 and a first sealing ring 025, and the first sealing ring 025 is received in the first sealing ring receiving groove 024 and is in close contact with an inner wall surface of the second inserting end 05, so that the first plug end 02 is hermetically connected with the second inserting end 05.

The second plug end 06 is cylindrical and includes a second catching portion 061, the second catching portion 061 being an annular groove; as shown in fig. 1, 07 is a three-way quick connector for quickly inserting and removing the second plug end, wherein the third snap-fit portion may be a snap spring or a snap strip, when the second plug end 06 is inserted into one of the ports of the three-way quick connector 07, the snap spring 071 is snapped into the annular groove of the second snap portion 061 to abut against each other, the second plug end 06 is rotatably fixed to the three-way quick connector 07, when the universal nozzle assembly needs to be removed, the detaching ring 072 is pressed down to deform the snap spring 071 to disengage the annular groove, and then the second plug end 06 is pulled out, so that the universal nozzle assembly can be detached to replace the universal nozzle assembly; it should be understood that the three-way quick connector 07 is a common component, and other types of quick connectors may be used to connect the infusion tube to the universal sprayer assembly and facilitate replacement of the universal sprayer assembly.

As shown in fig. 2, the universal nozzle assembly according to an embodiment of the present invention includes a first rotating pipe 21 and a second rotating pipe 24, where the first rotating pipe 21 includes: a first plug end 22 and a nozzle mounting end 23, wherein a central axis G22 of the first plug end forms an angle of 45 degrees (the angle of the jetting direction is 90 degrees) with a central axis G21 of the nozzle mounting end; the first rotating pipe member 21 rotates about the center axis G22 of the first plug end.

A second rotating tube member 24 comprising: the second plug end 25 and the second plug end 26, the angle between the central axis G24 of the second plug end and the central axis G23 of the second plug end is 45 °, the central axis G24 of the second plug end overlaps with the central axis G22 of the first plug end, and the second rotary pipe 24 rotates around the central axis G23 of the second plug end.

Specifically, because the included angle between the central axes G22 and G21 is 45 °, when the first rotating pipe 21 rotates around the central axis G22, the included angle between the central axes G22 and G21 ranges from 45 ° to 135 °, the angle change range of the spraying direction of the nozzle assembly (not shown in the figure) is 90 ° to 0 °, when the second rotating pipe 24 rotates around the central axis G23, because the first rotating pipe 21 is connected to the second rotating pipe 24, when the first rotating pipe 21 and the second rotating pipe 24 rotate 360 °, the angle change range of the spraying direction of the nozzle assembly is 0 ° to 180 °, and the spraying direction of the nozzle assembly is in a semicircular range taking the central axis G23 as an axis, so as to achieve the purpose of universal spraying; when the angle of the spraying direction is 0 ° and 90 °, the length of the rotating arm of the reaction force generated by the sprayed liquid to the central axis G23 is 0, and only when the angle of the spraying direction is 45 °, the length of the rotating arm of the reaction force to the central axis G23 is the longest, that is, the length of the rotating arm of the central axis G21 is the perpendicular distance to the central axis G23, and if the first rotating pipe is a right-angle pipe, the length of the rotating arm can be understood as the length of the central axis G22 between the central axis G21 and the central axis G23, and obviously, the length is longer than the perpendicular distance between the central axis G21 and the central axis G23, so that the rotating arm of the central axis G23 of the universal nozzle assembly of the embodiment of the present invention is shortened, thereby increasing the; in addition, the nozzle assembly can be connected with the nozzle mounting end 23 through threads, and can also be connected with the nozzle mounting end in other modes (such as clamping, sleeving and inserting), and because the included angles of the central axes G22 and G21 and the included angles of the central axes G24 and G23 are both 45 degrees, the angle of the turning part of the internal flow passage is 135 degrees, the pressure loss and the energy loss caused by pressure loss and vortex generated due to air bubbles staying in the internal flow passage are avoided.

The first plug end 22 includes a first clamping portion 223 and a first sealing portion 226, the second plug end 25 includes a second clamping matching portion 253, and the second clamping matching portion 253 is mutually matched and abutted with the first clamping portion 223 and can rotate; the first clamping portion 223 includes a first boss 221 and a first clamping groove 222, the first boss 221 includes 2 first opening grooves 229, of course, the number of the first opening grooves 229 may also be multiple (e.g. 2, 3 or 4), the second clamping matching portion 253 includes a second protrusion 252, the second protrusion 252 includes a guiding support surface 254, which can be used to reinforce the strength of the second boss, and also can be used in the assembling process, when the first boss 221 passes through the guiding support surface 254, the first opening groove 229 is contracted under the action of the extrusion force of the inclined surface of the guiding support surface 254, so as to contract the diameter of the first boss 221, thereby passing through the clamping matching portion 253, after passing through the clamping matching portion 253, the extrusion force disappears, the first boss 221 recovers the original shape, and abuts against the clamping matching portion 253, the first clamping groove 222 and the second protrusion 252 are matched to abut against each other and can rotate, to prevent the first rotary pipe member 21 and the second rotary pipe member 24 from being loosened by the liquid pressure; the first sealing portion 226 includes a first sealing ring receiving groove 224 and a first sealing ring 225, the first sealing ring 225 is received in the first sealing ring receiving groove 224 and is in close contact with an inner wall surface of the second plug end 25, so that the first plug end 22 is connected to the second plug end 25 in a sealing manner.

The second plug end 26 is cylindrical and comprises a second clamping portion 261, and the second clamping portion 261 is an annular groove so as to be connected with a quick connector and facilitate replacement of the universal nozzle assembly.

For a brief description of the universal nozzle assembly according to various embodiments of the present invention, the following will describe in detail the differences between different embodiments, wherein for the functions and connections of the same components, please refer to the detailed description of fig. 1 and fig. 2, which is not repeated herein, and the universal nozzle assembly according to various embodiments of the present invention includes:

referring to fig. 1, as shown in fig. 3, in the universal nozzle assembly according to the embodiment of the present invention, the first plug end 32 includes 2 first protrusion rings 326, but is not limited to 2 first protrusion rings, and certainly the number of the first protrusion rings may also be 1 or more, the first protrusion ring 326 is in close contact with the inner wall surface of the second plug end 35, so that the first plug end 32 is hermetically connected with the second plug end 35, therefore, a separate sealing ring element may be omitted, thereby reducing the production process and the production cost, and the second plug end 35 further includes a second inner tube core 359, which is inserted into the tube of the first plug end 32, so as to better increase the tightness degree of the contact between the inner wall surfaces of the first protrusion ring 326 and the second plug end 35, and increase the rotational friction force and the stability of the plug end and the plug end.

Referring to fig. 2, as shown in fig. 4, in the universal nozzle assembly according to another embodiment of the present invention, the first plug end 42 includes 2 first protrusion rings 426, but is not limited to 2 first protrusion rings, and the number of the first protrusion rings may also be 1 or more, and the first protrusion ring 426 is in close contact with the inner wall surface of the second plug end 45, so that the first plug end 42 is hermetically connected with the second plug end 45, and therefore, a separate sealing ring element may be omitted, thereby reducing the production process and the production cost.

Referring to fig. 1, as shown in fig. 5, in the universal nozzle assembly according to another embodiment of the present invention, the first plug end 52 includes 2 first protruding rings 526, but is not limited to 2 first protruding rings, and the number of the first protruding rings may also be 1 or more, and the first protruding ring 526 is in close contact with the inner wall surface of the second plug end 55, so that the first plug end 52 is hermetically connected to the second plug end 55, and therefore, a separate sealing ring element may be omitted, thereby reducing the production process and the production cost.

Referring to fig. 1, as shown in fig. 6, the universal nozzle assembly according to the embodiment of the present invention further includes a second inner tube core 659, which is inserted into the tube of the first plug end 62, so as to better increase the tightness between the first sealing ring 625 and the inner wall surface of the second plug end 65, and increase the rotational friction and stability between the plug end and the plug end.

In summary, the universal nozzle assembly provided by the embodiment of the invention can enable the spraying direction of the nozzle to be universally adjusted to realize universal spraying, so that the nozzle is flexible and convenient to use, pressure loss caused by air bubbles retained at the turning part of the flow channel is avoided, pressure drop and energy loss caused by vortex generated at the turning part of the flow channel are avoided, frictional resistance is increased by increasing the matching tightness of the plug end and the plug end, and the spraying direction is prevented from being changed under the action of the reaction force and the gravity of spraying by shortening the rotating force arm of the second rotating pipe; through simplifying the internal component of first rotatory pipe fitting and the rotatory pipe fitting of second, adopt quick connector to connect the shower nozzle subassembly that straight elbow joint carries out universal spraying for prior art and compare, reduced the component, reduced the volume of shower nozzle subassembly, guarantee simultaneously to connect the reliability.

As shown in fig. 7, the universal nozzle assembly according to the embodiment of the present invention includes a first rotating pipe member 71, a second rotating pipe member 74 and a third connecting pipe member 77, wherein the first rotating pipe member 71 includes a first plug end 72 and a nozzle mounting end 73, the first plug end 72 includes a first clamping portion 723 and a first sealing portion 726, and a central axis G72 of the first plug end forms an angle of 135 ° with a central axis G71 of the nozzle mounting end (the angle of the spraying direction is 0 °); the first rotating pipe member 71 rotates about the center axis G72 of the first plug end.

The second rotary pipe 74 comprises a second plug end 76 and a second plug end 75, the second plug end 75 comprises a second clamping matching part 753, and the second clamping matching part 753 is mutually matched and abutted with the first clamping part 723 and can rotate; the first clamping part 723 comprises a first boss 721 and a first clamping groove 722, the second clamping matching part 753 comprises a second protrusion 752 and a second groove 751, the first boss 721 is conical, so that in the assembling process, when the first boss 721 passes through the second protrusion 752, the inner diameter of the second protrusion 752 is expanded due to the extrusion effect of an inclined plane, the first boss 721 passes through the second protrusion 752, so that the first boss 721 is accommodated in the second groove 751, and the second protrusion 752 recovers the original shape after losing extrusion force and is accommodated in the first clamping groove 722 so as to be mutually matched and abutted, so that the first rotary pipe fitting 71 and the second rotary pipe fitting 74 are prevented from being loosened under the action of liquid pressure; the first sealing portion 726 includes a first sealing ring accommodating groove 724 and a first sealing ring 725, the first sealing ring 725 is accommodated in the first sealing ring accommodating groove 724 and is tightly contacted with an inner wall surface of the second plug end 75, so that the first plug end 72 is hermetically connected with the second plug end 75.

An included angle between the central axis G74 of the second plug end and the central axis G73 of the second plug end is 45 degrees, the central axis G74 of the second plug end overlaps the central axis G72 of the first plug end, and the second rotary tube 74 rotates around the central axis G73 of the second plug end.

Specifically, when the first rotating pipe 71 and the second rotating pipe 74 rotate 360 degrees, the angle change range of the spraying direction of the nozzle assembly 770 is 0-180 degrees, and then the spraying direction of the nozzle assembly 770 is in a semicircular range taking the central axis G73 as an axis, so as to achieve the purpose of universal spraying; when the angle of the spraying direction is 0 ° and 90 °, the length of the rotating arm of the reaction force generated by the sprayed liquid to the central axis G73 is 0, and only when the angle of the spraying direction is 45 °, the length of the rotating arm of the reaction force to the central axis G73 is the longest, that is, the length of the rotating arm of the central axis G71 is the perpendicular distance to the central axis G73, and if the first rotating pipe is a right-angle pipe, the length of the rotating arm can be understood as the length of the central axis G72 between the central axis G71 and the central axis G73, and obviously, the length is longer than the perpendicular distance between the central axis G71 and the central axis G73, so that the rotating arm of the central axis G73 of the universal nozzle assembly of the embodiment of the present invention is shortened, thereby increasing the; in addition, the nozzle assembly 770 can be connected with the external thread of the nozzle mounting end 73 through the internal thread, and other elements of the nozzle assembly 770 are mounted in the accommodating cavity 732 of the nozzle mounting end 73, although the nozzle assembly 770 can also be connected with the nozzle mounting end in other manners (such as clamping, sleeving and inserting), because the included angles of the central axes G72 and G71, and G74 and G73 are both 45 °, the angle of the turn of the internal flow channel is 135 °, and thus pressure loss and energy loss caused by pressure loss and vortex generated due to air bubbles retained in the internal flow channel are avoided.

The second plug end 76 includes a second catching portion 763 and a second sealing portion 766, the second catching portion 763 includes a second boss 761 and a second catching groove 762, the third connecting pipe member 77 includes a third plugging end 78 and a third connecting pipe end 79, the third mating end 78 includes a third snap-fit portion 783, the third snap-fit portion 783 includes a third protrusion 782 and a third groove 781, the second projection 761 is conical, so that in the assembling process, the inner diameter of the third protrusion 782 is expanded due to the pressing effect of the inclined surface when the second boss 761 passes through the third protrusion 782, so that the second protrusion 761 is received in the third groove 781, the third protrusion 782 is restored to its original shape after losing the pressing force and is received in the second locking groove 762 to be mutually engaged and abutted, to prevent the second rotary pipe member 74 and the third connecting pipe member 77 from being loosened by the liquid pressure; the second sealing portion 766 includes a second sealing ring receiving slot 764 and a second sealing ring 765, wherein the second sealing ring 765 is received in the second sealing ring receiving slot 764 and is in close contact with an inner wall surface of the third mating end 78, so that the second plug end 76 and the third mating end 78 are rotatably and sealingly connected.

The third interface end 79 is an internal union fitting, although the type of fitting may be a quick-connect fitting, an external screw-threaded end fitting, an internal screw-threaded end fitting, a ferrule-type fitting, a snap-fit type fitting, or a self-fastening type fitting, etc., it being understood that the third connecting tube member 77 includes at least one third interface end 79 for connecting to at least one infusion line.

It should be noted that other embodiments of the second plug end and the third mating end may be components and connection relationships as those of the first plug end and the second mating end in fig. 1 to 6, and please refer to fig. 1 to 6 for a detailed description, for example, the third mating end further includes a third inner tube core, and the second plug end includes a second raised ring, wherein the third inner tube core is inserted into the tube of the second plug end, so as to better increase the tightness of the contact between the second raised ring and the inner wall surface of the third mating end, and simultaneously increase the rotational friction force and the stability of the second plug end and the third mating end.

As shown in fig. 8, the third connecting pipe member 87 further includes a third clamping portion 881, an external screw thread portion 891, and a third movable clamping portion 892, wherein the third movable clamping portion 892 is screwed from the third connecting pipe end 89, the third movable clamping portion 892 is screwed with the external screw thread portion 891 to adjust a distance between the third movable clamping portion 892 and the third clamping portion 881 to fit fixing holes of the fixing mount 800 having different thicknesses to fixedly mount the universal head assembly, and the third clamping portion 881 is located at a pipe opening of the third connecting pipe end 88 to minimize a portion of the universal head assembly exposed from an outer surface 811 of the fixing mount, thereby reducing an influence of the universal head assembly on an appearance of a product.

As shown in fig. 9, when the outer shape of the third spigot 99 is larger than the diameter of the fixing hole of the fixed mounting portion 900, for example, when there are two or more third spigot 99, the third movable clamping portion 992 is screwed in from the third spigot 98, the third connecting pipe member 97 further includes at least one washer member 993, the washer member 993 is used to indirectly increase the thickness of the fixed mounting portion 900, in order to make the external thread portion 991 of the third connecting pipe member 97 expose the outer surface 911 of the fixed mounting portion as little as possible, the at least one washer member 993 is used to make up for the deficiency of the thickness of the fixed mounting portion 900, so that the effective clamping distance between the third clamping portion 981 and the third movable clamping portion 992 is maximized, thereby minimizing the portion 911 of the universal head assembly exposing the outer surface of the fixed mounting portion, and reducing the influence of the universal head assembly on the appearance of the product.

Further, since the first plug end and the second plug end are mutually connected in a matching manner, the first plug end and the second plug end can be replaced with each other, that is, the first plug end can be replaced with the second plug end and disposed on the second rotating pipe, and the second plug end can be replaced with the first plug end and disposed on the first rotating pipe, as shown in fig. 10, the first rotating pipe 1001 includes a second plug end 1005 and a nozzle mounting end 1003, and the second rotating pipe 1004 includes a first plug end 1002 and a second plug end 1006;

the first plug end 1002 comprises a first clamping portion 1023 and a first sealing portion 1026, the second plug end 1005 comprises a second clamping matching portion 1053, and the second clamping matching portion 1053 and the first clamping portion 1023 are mutually matched and abutted to prevent the first rotating pipe member 1001 and the second rotating pipe member 1004 from being loosened under the action of liquid pressure; the first sealing portion 1026 includes a first sealing ring receiving groove 1024 and a first sealing ring 1025, and the first sealing ring 1025 is received in the first sealing ring receiving groove 1024 and is in close contact with an inner wall surface of the second plug end 1005, so that the first plug end 1002 is hermetically connected to the second plug end 1005; it should be noted that, because the first plug end and the second plug end of the universal nozzle assembly of the embodiment of the present invention can be replaced with each other, and the elements and the connection relationships of the first plug end and the second plug end in the embodiment in which some first plug end and some second plug end are replaced with each other and the detailed description refer to fig. 1 to 6, which are not repeated herein.

Furthermore, the embodiment of the invention also provides a universal spray head, which comprises a nozzle assembly and the universal spray head assembly in any embodiment, so as to realize universal spraying.

As shown in the perspective view of fig. 11, a universal nozzle assembly provided in an embodiment of the invention includes a nozzle assembly 1110, a first rotating pipe 1101 and a second rotating pipe 1104, and for details of the structure and the connection relationship, reference is made to the detailed description of the above embodiment.

Furthermore, an embodiment of the present invention further provides a spraying device, where the spraying device includes the universal nozzle assembly described in any of the above embodiments, so as to implement universal spraying.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A universal showerhead assembly, comprising: a first rotating tube member and a second rotating tube member,

the first rotating tube, comprising: the first plug end comprises a first clamping portion and a first sealing portion, an included angle between the central axis of the first plug end and the central axis of the nozzle mounting end is 20-45 degrees, and the first rotating pipe fitting rotates by taking the central axis of the first plug end as an axis;

2. The universal nozzle assembly of claim 1, wherein the first snap fit portion comprises a first boss and a first snap fit groove, and the second snap fit portion comprises a second protrusion and a second recess, wherein the first snap fit groove is in mating connection with the second protrusion, and the first boss is received in the second recess, thereby preventing the first and second rotating pipes from being loosened under pressure.

3. The universal nozzle tip assembly of claim 2, wherein: the first boss comprises at least one first opening groove, wherein the first opening groove is used for shrinking the diameter of the first boss under the action of the extrusion force.

4. The universal nozzle assembly of claim 1, wherein the first sealing portion comprises at least a first sealing ring and a first sealing ring receiving groove, the first sealing ring is disposed in the first sealing ring receiving groove, and the first sealing ring is in close contact with an inner wall surface of the second mating end, such that the first plug end is sealingly connected to the second mating end;

5. The universal nozzle assembly as claimed in claim 1, wherein said first plug end and said second plug end are replaceable by each other, namely said first plug end can be replaced by said second plug end and disposed on said second rotating pipe member and said second plug end can be replaced by said first plug end disposed on said first rotating pipe member.

6. The universal nozzle tip assembly of claim 1 wherein said second plug end is elongated cylindrical and said second snap-in portion is an annular groove.

7. The universal nozzle assembly of claim 1, wherein said second snap-in portion comprises a second boss and a second snap-in groove.

8. The universal nozzle tip assembly of claim 7, wherein: the second boss comprises at least one second opening groove, wherein the second opening groove is used for shrinking the diameter of the second boss under the action of the extrusion force.

9. The universal nozzle assembly of claim 1, further comprising a third connecting tube, the third connecting tube comprising a third insertion end and a third connector end, wherein the third insertion end comprises a third snap-fit portion, the third snap-fit portion is in abutting engagement with the second snap-fit portion to prevent the second rotating tube and the third connecting tube from being released under pressure, and the third connecting tube comprises at least one third connector end for connecting to at least one infusion line.

10. The universal nozzle assembly according to claim 6 or 9, wherein the third plugging end is a quick-plugging connector for quickly plugging and unplugging the second plug end, wherein the third snap-fit portion is a snap spring or a snap strip, the snap spring or the snap strip is snapped into the annular groove of the second snap portion, and the snap spring or the snap strip and the annular groove abut against each other.

11. The universal nozzle assembly according to claim 1 or 9, wherein the second plug end further comprises a second sealing portion, wherein the second sealing portion comprises at least one second sealing ring and a second sealing ring receiving groove, the second sealing ring is disposed in the second sealing ring receiving groove, and the second sealing ring is in close contact with an inner wall surface of the third mating end, so that the second plug end is sealingly connected to the third mating end;

12. The universal nozzle assembly according to claim 9 or 10, wherein the third connecting pipe further comprises a third clamping portion, an external threaded portion and a third movable clamping portion, wherein the third movable clamping portion is screwed with the external threaded portion to adjust a distance between the third movable clamping portion and the third clamping portion to accommodate installation of fixing holes of different thicknesses.

13. The universal nozzle tip assembly of claim 12 wherein said third connecting tube member further comprises at least one washer member for indirectly increasing the thickness of the securing hole.

14. The universal spray head assembly of claim 1, wherein said first plug end central axis is preferably angled at 45 ° to said nozzle mounting end central axis, and said second plug end central axis is preferably angled at 45 ° to said second plug end central axis.

15. The universal nozzle assembly of any of claims 1 to 14, wherein said second mating end further comprises a second inner tubular core, and/or said third mating end further comprises a third inner tubular core, wherein said second inner tubular core is inserted into said first male end conduit, and said third inner tubular core is inserted into said second male end conduit, to better increase the tightness of contact between said first and/or second raised ring and said second and/or third mating end inner wall surface, and to increase the rotational friction and stability of the male and mating ends.

16. A universal spray head comprising a nozzle assembly, wherein the universal spray head further comprises a universal spray head assembly according to any of claims 1 to 15.

17. A spray assembly comprising the universal nozzle assembly as claimed in any one of claims 1 to 15.