CN218387041U - Built-in generator of multifunctional water spray gun - Google Patents

Abstract

The utility model discloses a built-in generator of a multifunctional water spraying gun, which adopts a main shell and an auxiliary shell which are buckled in a primary-secondary mode, wherein a coil is wound outside the main shell, a containing cavity is formed inside the main shell and the auxiliary shell, an impeller is arranged in the containing cavity, and a magnetic steel is carried on the impeller; the main shell is provided with a first pipeline for communicating the accommodating cavity with the first water pipe; the auxiliary shell is provided with a second pipeline for communicating the accommodating cavity with the second water pipe. The assembly is completed by installing the impeller into the main casing and then mating the sub-casing with the main casing. Such a structure value leaves an assembly gap, i.e., an installation gap between the main casing and the sub-casing, and through such a structure, mold opening and assembly can be facilitated, the number of assembly gaps can be reduced, and leakage can be prevented. A seal is provided between the primary and secondary housings to further minimize leakage.

Description

Built-in generator of multifunctional water spray gun

Technical Field

The utility model belongs to liquid injection gun field, concretely relates to built-in generator of multi-functional water gun.

Background

The water spraying device is widely applied to the fields of cleaning and irrigation.

The utility model discloses a be CN217473852U, the title of the invention is "a high-pressure high-efficient powerful squirt" (hereinafter for short background 1), its shape is also like a rifle, and it includes the rifle body, places structure and protective structure, and the rifle body front end is equipped with the installing port, and threaded connection is equipped with the nozzle in the installing port, and it is located the rifle body to place the structure for place the nozzle of different grade type, and protective structure is located and places the structure, is used for protecting the screw thread in the nozzle outside, the utility model discloses a be equipped with and place the structure, can accomodate the nozzle of different grade type on the rifle body simultaneously, make things convenient for the user of service to change the nozzle in real time, the protective structure who sets up simultaneously protects the screw thread of nozzle when the nozzle is accomodate, prevents to take place the damage. In order to provide the power generating function to the background art 1, it is easy to think of installing the power generating device in the handle, but the common generator is easy to leak under the impact of the internal water flow because of the complex structure, the many assembling parts and the many joints between the shells.

In garden management, plants need to be humidified or irrigated by using water spraying equipment, and common equipment comprises a fixed sprinkling irrigation device which is provided with a plurality of array type spray heads, and the type of the fixed sprinkling irrigation device is a watering device which is installed on the ground by using a porous pipeline or a pipeline with the spray heads and is used for drip irrigation or sprinkling irrigation.

In chinese utility model patent application with publication number CN213548854U entitled "an intelligent sprinkling irrigation drip irrigation system", an intelligent sprinkling irrigation drip irrigation system (hereinafter referred to as background art 2) is disclosed, which comprises: the water pump, the sensor assembly and the controller, the end of intaking of water pump is connected with the inlet tube, the play water end of water pump is connected with the outlet pipe, the other end of outlet pipe is connected and is driped irrigation sprinkling irrigation equipment, it is including driping irrigation the sprinkling irrigation casing to drip irrigation sprinkling irrigation equipment, it is equipped with the sprinkling irrigation house steward to drip irrigation the sprinkling irrigation casing top, it is equipped with the house steward to drip irrigation the sprinkling irrigation casing below, it is equipped with the second electro-magnet to drip irrigation the sprinkling irrigation casing, second electro-magnet one side is equipped with the second dog, second dog one side is equipped with the second telescopic link, be equipped with the second spring in the second telescopic link, second electro-magnet, water pump, sensor assembly are connected with the controller electricity. The device is suitable for large-scale agricultural planting or flower planting, has a large water spraying range, is inconvenient to move and is not convenient for local water replenishing.

In addition, the devices for spraying water have hand-held spray guns, which have a hose, the end of which is a spray head for hand-holding. For example, in chinese utility model patent with publication number CN209283922U, the title of the invention is "a novel garden spray gun", a novel garden spray gun (hereinafter referred to as background art 3) is disclosed, including the spray gun body, adjusting sleeve, fixed lasso and water pipe mounting, the left end of spray gun body is equipped with the water pipe mounting, the water pipe mounting is embedded in the spray gun body, the surface of water pipe mounting is equipped with the ladder platform, the left end of water pipe mounting is equipped with the water pipe interface, the surface of water pipe interface is equipped with the locking claw and detains, the left end of spray gun body is equipped with the fixed lasso, the fixed lasso overlaps on the surface of water pipe mounting and passes through screw rotation with the spray gun body to be connected, the right side fixedly connected with spray tube of spray gun body, the right-hand member of spray tube is equipped with and has seted up the vertically delivery port, the left and right sides of delivery port are equipped with first sealing washer and second sealing washer respectively.

Background art 3 has a simple structure, a simple water spraying function, and a simple structure for adjusting the amount of water sprayed, but has a simple function.

In a Chinese utility model patent with the publication number of CN201140129Y and the invention name of "a hydroelectric power generation shower", a hydroelectric power generation shower (hereinafter referred to as background technology 4) is disclosed, a vane upper cover is arranged in the head of the shower, the bottom of the vane upper cover is hollowed into a vane cavity, and the lower end of the vane upper cover is in sealing fit with the shell of the head of the shower; the side surface of the upper cover of the car blade is provided with at least one water inlet communicated with the water inlet channel of the shower head handle, and the water inlet is obliquely cut with the inner surface of the car blade cavity; the upper cover of the car blade is also provided with a water outlet hole which is communicated with the car blade cavity and the water outlet cavity of the shower head.

The background art 4 is added with a generator which can generate electricity under the action of water flow, but the background art 4 is used on the shower head, and the electricity generating part is close to the water outlet of the shower head, so that even if the electricity generating mechanism leaks water, the problem is not great. However, the generator of the flower watering spray gun is generally arranged on the hand-held grip, and if the generating component leaks water, the water leaks to the handle.

Disclosure of Invention

The utility model aims to solve the technical problem that to the current situation of above-mentioned prior art, and provide the built-in generator of multi-functional water pistol of die sinking and convenient assembling, antiseep.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a built-in generator of a multifunctional water gun comprises a main shell and an auxiliary shell which are buckled in a primary-secondary mode, wherein a coil is wound outside the main shell, a containing cavity is formed inside the main shell and the auxiliary shell, an impeller is arranged in the containing cavity, the impeller is carried with magnetic steel, a shaft groove for supporting a rotating shaft of the impeller is formed in the main shell, and a limiting part for enabling the rotating shaft to be propped in the shaft groove is formed in the auxiliary shell;

the main shell is provided with a first pipeline for communicating the accommodating cavity with the first water pipe; the auxiliary shell is provided with a second pipeline communicating the containing cavity with the second water pipe.

When the generator is assembled, the impeller is placed in the shaft groove, the auxiliary shell and the main combined main and auxiliary shell are buckled, the first pipeline is connected to the first water pipe in an abutting mode, the second pipeline is connected to the second water pipe in an abutting mode, and then the assembly is completed. Usually the second water pipe is used for water intake and the first water pipe is used for water outlet.

In a preferred embodiment, a seal ring is interposed between the main casing and the sub-casing. The sealing ring can prevent water in the containing cavity from overflowing from a crack between the main shell and the auxiliary shell.

In preferred scheme, the secondary housing is including being equipped with the plug member of spacing portion to and the shutoff piece of the main casing body of plug-in, and the sealing washer presss from both sides and locates between shutoff piece and the main casing body, is equipped with removable connection structure between shutoff piece and the main casing body.

In a preferred arrangement, the main housing is provided with a first annular step surface and the plug member is provided with a second annular step surface which bears against the first annular step surface. First annular step face and the laminating of second annular step face each other form the preliminary seal structure of first way, and the sealing washer is as the seal structure of second way, further increases sealing performance, especially when using emulsion form medicament to spray, and first way seal structure can block emulsion and ooze outward.

In a preferred embodiment, the axial centers of the first and second conduits are parallel to each other.

In a preferred scheme, the impeller comprises a rotating wheel and blades arranged on the periphery of the rotating wheel, and the magnetic steel is positioned inside the rotating wheel.

In a preferred scheme, the first pipeline and the second pipeline are respectively tangent to the outer ring of the rotating wheel. Therefore, water entering the second pipeline can impact the blades to the maximum extent to push the impeller to operate.

In a preferable scheme, the tail end of the blade is provided with an expansion part, the expansion part is cylindrical, and the axis of the expansion part is parallel to the rotating shaft. The expansion part can increase the rotation inertia of the impeller and can play a role in delaying power supply at the moment of water cut-off. In addition, the expansion part can catch water flow and slow down the water flow from escaping from the edge of the blade.

In a preferred embodiment, a cavity is also provided between the plug member and the blocking member. The detachable connecting structure is a rotary buckle, the blocking piece is connected with the main shell through rotation, and the cavity can avoid the conditions of unstable fitting and large frictional force between the blocking piece and the blocking piece.

In the preferred scheme, the inner walls of the containing cavity at two sides of the impeller are planes, so that the water in the containing cavity can be prevented from generating vortex rotating along the wiring direction of the coil, and the inner wall in the circumferential direction of the impeller is a torus, so that the water flow can flow around the rotating shaft.

In a preferred embodiment, the first conduit is an outlet conduit and the second conduit is an inlet conduit, the second conduit having a smaller minimum internal diameter than the first conduit, such that the flow of water striking the impeller is turbulent and the flow of water exiting the first conduit is gentle.

In summary, compared with the prior art, the built-in generator of the multifunctional water gun of the present invention adopts the main housing and the auxiliary housing which are fastened together, the main housing is wound with the coil, the inner parts of the main housing and the auxiliary housing form the containing cavity, the containing cavity is internally provided with the impeller, the impeller is carried with the magnetic steel, wherein the main housing is provided with the shaft groove for bearing the rotating shaft of the impeller, and the auxiliary housing is provided with the limiting part for pushing the rotating shaft in the shaft groove; the main shell is provided with a first pipeline for communicating the accommodating cavity with the first water pipe; the auxiliary shell is provided with a second pipeline communicating the containing cavity with the second water pipe. The assembly is completed by the impeller being fitted into the main housing and then the sub-housing being fitted to the main housing. Such a structure value leaves an assembly gap, i.e., an installation gap between the main casing and the sub-casing, and through such a structure, mold opening and assembly can be facilitated, the number of assembly gaps can be reduced, and leakage can be prevented. A seal is provided between the primary and secondary housings to further minimize leakage.

Drawings

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

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic structural view of the present invention connected to the first water pipe and the second water pipe;

FIG. 4 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 5 is an exploded schematic view of FIG. 4;

FIG. 6 is an exploded view of the sub-housing of FIG. 5;

FIG. 7 is a schematic view of the cross-sectional structure B-B in FIG. 2;

FIG. 8 is an exploded schematic view of FIG. 7;

FIG. 9 is an exploded view of the sub-housing of FIG. 8;

FIG. 10 is a schematic perspective view of FIG. 7;

FIG. 11 is a schematic perspective view of FIG. 8;

FIG. 12 is a schematic view of the construction of the sub-housing of FIG. 11;

FIG. 13 is an exploded schematic view of FIG. 12;

FIG. 14 is a schematic perspective view of FIG. 1;

FIG. 15 is an exploded schematic view of FIG. 14;

FIG. 16 is a enlarged portion of a blade according to the second embodiment.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the term "comprises" and any variations thereof in the description and claims of this application and the above-described drawings are intended to cover non-exclusive inclusions, for example, an article comprising a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not explicitly listed or inherent to such article.

In the present application, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "disposed" and "connected" should be interpreted broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Wherein the reference numerals are: the device comprises a main shell 1, a first pipeline 11, a containing cavity 12, a shaft groove 13, a first annular step surface 14, an auxiliary shell 2, a plug part 21, a second annular step surface 211, a limiting part 212, a blocking part 22, a detachable connecting structure 23, a second pipeline 24, a cavity 25, a coil 3, a first water pipe 4, a second water pipe 5, an impeller 6, a rotating wheel 61, a blade 62, an expansion part 621, a rotating shaft 63, magnetic steel 7 and a sealing ring 8.

In the first embodiment, as shown in fig. 1 to 5, and fig. 14 and 15, the built-in generator of a multifunctional water spraying gun of the present invention includes a primary housing 1 and a secondary housing 2, which are fastened together, wherein a coil 3 is wound outside the primary housing 1; as shown in fig. 7, 8, 10, and 11, a cavity 12 is formed inside the main casing 1 and the sub-casing 2, an impeller 6 is disposed in the cavity 12, and the impeller 6 carries a magnetic steel 7, wherein, as shown in fig. 5, 8, and 11, the main casing 1 is provided with a shaft groove 13 for supporting a rotating shaft 63 of the impeller 6, and the sub-casing 2 is provided with a limiting portion 212 for pushing the rotating shaft 63 into the shaft groove 13; the structure of the stopper portion 212 is also shown in fig. 6, 9, 12, 13, and 15.

As shown in fig. 3, the main housing 1 is provided with a first conduit 11 communicating the cavity 12 and the first water pipe 4; the sub-housing 2 is provided with a second conduit 24 communicating the chamber 12 and the second water pipe 5.

When the generator is assembled, the impeller 6 is placed in the shaft groove 13, the auxiliary shell 2 and the main combined body are buckled, the first pipeline 11 is butted on the first water pipe 4, and the second pipeline 24 is butted on the second water pipe 5, so that the assembly is completed. Usually the second water pipe 5 is used for water intake and the first water pipe 4 is used for water outlet.

In the embodiment, as shown in fig. 4, 5, 7, 8, 10, 11, and 15, a seal ring 8 is interposed between the main casing 1 and the sub-casing 2. The sealing ring 8 can prevent water in the cavity 12 from overflowing from a gap between the main shell 1 and the auxiliary shell 2.

In the embodiment, as shown in fig. 4 to 13, the secondary housing 2 includes a plug 21 provided with a limiting portion 212, and a blocking piece 22 for pushing the plug 21 into the main housing 1, the sealing ring 8 is sandwiched between the blocking piece 22 and the main housing 1, and a detachable connecting structure 23 is provided between the blocking piece 22 and the main housing 1.

In the embodiment, as shown in fig. 5, 8 and 11, the main casing 1 is provided with a first annular step surface 14, and the plug member 21 is provided with a second annular step surface 211 that abuts on the first annular step surface 14. First annular step face 14 and second annular step face 211 laminate each other, form the preliminary seal structure of first way, and sealing washer 8 is as the second way seal structure, further increases sealing performance, especially when using emulsion form medicament to spray, first way seal structure can block the emulsion and ooze outward.

In the embodiment, as shown in fig. 2 to 4, the axial centers of the first duct 11 and the second duct 24 are parallel to each other.

In the embodiment, as shown in fig. 4, 5, 8, 10, and 11, the impeller 6 includes a rotor 61, and blades 62 disposed on the periphery of the rotor 61, and the magnetic steel 7 is located inside the rotor 61.

In an embodiment, as shown in fig. 4, the first duct 11 and the second duct 24 are each tangent to the outer ring of the wheel 61. Thus, the water entering the second pipe 24 can impact the blades 62 to the maximum extent, and the impeller 6 is pushed to operate.

In the embodiment, as shown in fig. 7, the inner walls of the chamber 12 on both sides of the impeller 6 are flat, so that the water in the chamber 12 can be prevented from generating eddy current rotating along the wiring direction of the coil 3; as shown in fig. 4, the inner wall of the impeller 6 in the circumferential direction is a circular ring surface, which facilitates the water flow around the rotation shaft 63.

In one embodiment, as shown in FIG. 4, the first conduit 11 is an outlet conduit, the second conduit 24 is an inlet conduit, and the second conduit 24 has a smaller minimum internal diameter than the first conduit 11, such that the water flow impinging on the impeller 6 is turbulent and the water flow exiting the first conduit 11 is gentle.

In the embodiment shown in figures 4 to 13, a cavity 25 is also provided between the plug 21 and the closure member 22. The detachable connection 23 is a rotary snap-fit, the blocking piece 22 is connected to the main housing 1 by rotation, and the cavity 25 prevents unstable contact and high friction between the blocking piece 21 and the blocking piece 22.

The second embodiment is similar to the second embodiment in structure, and the only difference is that the end of the blade 62 is provided with an enlarged part 621, as shown in fig. 16, the enlarged part 621 is cylindrical, and the axial center of the enlarged part 621 is parallel to the rotating shaft 63. The enlarged part 621 can increase the rotation inertia of the impeller 6, and can play a role of delaying power supply at the moment of water cut-off. In addition, the enlarged portion 621 can catch the water flow, slowing the water flow from escaping from the edge of the blade 62.

The third embodiment has a structure similar to that of the first embodiment except that the plug member 21 and the blocking member 22 of the third embodiment are not separate but integrally formed and do not have a cavity 25.

Fourth embodiment, the structure of the fourth embodiment is similar to that of the first embodiment, except that the detachable connecting structure 23 is not a swivel snap but a screw connecting structure.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.

Claims (10)

1. A built-in generator of a multifunctional water gun comprises a main shell (1) and an auxiliary shell (2) which are buckled in a primary-secondary mode, wherein a coil (3) is wound outside the main shell (1), a containing cavity (12) is formed inside the main shell (1) and the auxiliary shell (2), an impeller (6) is arranged in the containing cavity (12), magnetic steel (7) is carried by the impeller (6), a shaft groove (13) for bearing a rotating shaft (63) of the impeller (6) is formed in the main shell (1), and a limiting part (212) for pushing the rotating shaft (63) into the shaft groove (13) is arranged on the auxiliary shell (2);

the main shell (1) is provided with a first pipeline (11) which is communicated with the containing cavity (12) and the first water pipe (4); and the auxiliary shell (2) is provided with a second pipeline (24) for communicating the accommodating cavity (12) with the second water pipe (5).

2. The built-in generator of the multi-functional water spraying gun as claimed in claim 1, wherein: a sealing ring (8) is clamped between the main shell (1) and the auxiliary shell (2).

3. The built-in generator of the multifunctional water spraying gun as claimed in claim 2, wherein: vice casing (2) including plug member (21) that are equipped with spacing portion (212), and with plug member (21) top shutoff piece (22) of main casing body (1), sealing washer (8) press from both sides and locate shutoff piece (22) and main casing body (1) between, shutoff piece (22) with main casing body (1) between be equipped with detachable connection structure (23).

4. The built-in generator of the multifunctional water spraying gun as claimed in claim 3, wherein: the main casing body (1) be equipped with first cyclic annular step face (14), stopper (21) be equipped with second cyclic annular step face (211) of top on first cyclic annular step face (14).

5. The multifunctional water pistol of claim 4 with a built-in generator, wherein: the axial centers of the first pipeline (11) and the second pipeline (24) are parallel to each other.

6. The built-in generator of the multi-functional water spraying gun as claimed in claim 5, wherein: impeller (6) including runner (61) to and set up blade (62) in runner (61) periphery, magnet steel (7) be located the inside of runner (61).

7. The built-in generator of the multi-functional water spraying gun as claimed in claim 6, wherein: the first pipeline (11) and the second pipeline (24) are respectively tangent to the outer ring of the rotating wheel (61).

8. The multifunctional water pistol of claim 7, wherein the built-in generator is: the tail end of the blade (62) is provided with an expansion part (621), the expansion part (621) is cylindrical, and the axis of the expansion part (621) is parallel to the rotating shaft (63).

9. The built-in generator of the multi-functional water spraying gun as claimed in claim 8, wherein: a cavity (25) is also arranged between the plug part (21) and the blocking part (22).

10. The multifunctional water pistol according to any of the claims 1 to 9, wherein the built-in generator is: the inner walls of the containing cavities (12) at two sides of the impeller (6) are planes, and the inner walls in the circumferential direction of the impeller (6) are circular rings.

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