CN217249867U

CN217249867U - Water gun

Info

Publication number: CN217249867U
Application number: CN202220660842.XU
Authority: CN
Inventors: 陈林松; 胡定国; 李德智; 林伟涛; 王国荣
Original assignee: Shenzhen Baseus Technology Co Ltd
Current assignee: Shenzhen Baseus Technology Co Ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-08-23
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a water gun, which comprises a shell, a handle, a pumping module and a control module, wherein the shell is provided with a water inlet hole and a water outlet hole, the water outlet hole is arranged at one end of the shell, and the shell is also provided with an installation cavity; the handle is arranged on the outer wall of the shell and is positioned in the middle of the shell; the pumping module is arranged in the mounting cavity and used for conveying water from the water inlet hole to the water outlet hole; the control module comprises a switch piece and a power adjusting component, the switch piece is arranged on the end face of one end, far away from the shell, of the handle, the switch piece is electrically connected with the pumping module and used for controlling the pumping module to start and stop, the power adjusting component is arranged on one end, far away from the water outlet hole, of the shell, and the power adjusting component is electrically connected with the pumping module and used for adjusting the power of the pumping module. The utility model arranges the switch piece at one end of the handle far away from the shell, thereby avoiding the user from touching by mistake and improving the safety factor; locate the one end that the apopore was kept away from to the casing with power adjustment assembly, the person of facilitating the use can carry out power adjustment at any time.

Description

Water gun

Technical Field

The utility model relates to a washing unit technical field especially relates to a squirt.

Background

The water gun is widely applied to scenes such as automobile cleaning, can be connected with a water source, and can spray water in the water source to the surface of an object to be cleaned at a high speed, so that the object to be cleaned is cleaned. In the related art, a switch button of the water gun is arranged on the periphery of the shell, so that the situation of mistaken touch exists during use, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a squirt, the shift knob who aims at solving among the prior art squirt establishes in the week side of casing, has the condition that the mistake was touched when using, has the problem of potential safety hazard.

In order to achieve the above object, the utility model provides a water gun, the water gun includes:

the water-saving water dispenser comprises a shell, wherein the shell is provided with a water inlet hole and a water outlet hole, the water outlet hole is formed in one end of the shell, the water inlet hole is used for being connected with a water inlet pipe, the water outlet hole is used for being connected with a water gun pipe, and the shell is further provided with an installation cavity;

the handle is arranged on the outer wall of the shell and is positioned in the middle of the shell;

the pumping module is arranged in the mounting cavity and is provided with a water inlet joint and a water outlet joint, the water inlet joint is communicated with the water inlet hole, the water outlet joint is communicated with the water outlet hole, and the pumping module is used for conveying water from the water inlet hole to the water outlet hole;

the control module comprises a switch piece and a power adjusting component, the switch piece is arranged on the end face of one end of the shell, the handle is far away from the end face of one end of the shell, the switch piece is electrically connected with the pumping module and used for controlling the pumping module to start and stop, the power adjusting component is arranged on one end of the shell, which is far away from the water outlet hole, of the shell, and the power adjusting component is electrically connected with the pumping module and used for adjusting the power of the pumping module.

Optionally, the casing includes shell and end cover, the shell has the shell chamber, the shell has relative first end and the second end that sets up, the apopore is located first end, the second end is uncovered setting, the end cover lid is located the second end, the shell with the end cover encloses jointly and closes the formation the installation cavity.

Optionally, the squirt gun still includes display module, display module locates the end cover, just display module's display screen is located the end cover is in a reverse side of the shell, display module with pumping module electric connection for show relevant parameter.

Optionally, the power regulation module includes a circuit board and an adjusting ring, the circuit board is located the inboard of end cover, the circuit board is equipped with the rotatable adjusting device that sets up, the adjusting ring rotate install in the periphery of end cover, the adjusting ring with the adjusting device is connected, with through the adjusting ring rotates and drives the adjusting device rotates, with the regulation the power of pumping module.

Optionally, the water gun further comprises a water gun tube and a water gun head, one end of the water gun tube is connected with the water inlet hole, a matching portion is arranged on the inner side wall of the other end of the water gun tube, and a fixing portion is arranged on the periphery of one end of the water gun head, so that when the water gun head is inserted into the water gun tube, the fixing portion is matched with the matching portion, and the water gun head is detachably connected with the water gun tube.

Optionally, one of the fitting portion and the fixing portion is a limiting groove arranged along the circumferential direction, and the other is a limiting protrusion.

Optionally, the limiting groove is arranged on the periphery of the water gun head, and the limiting protrusion is arranged on the inner side wall of the water gun barrel;

an avoidance groove is formed by extending from one end of the limiting groove to the end face in the direction of the water gun head close to the water gun pipe; when the water gun head rotates and is inserted into the water gun pipe, the limiting protrusion rotates to the limiting groove from the avoiding groove, so that the water gun head is installed on the water gun pipe.

Optionally, the limiting groove has a first groove side wall close to the water barrel, the avoiding groove is provided with a second groove side wall connected with the first groove side wall, and a stop protrusion is convexly formed at the joint of the first groove side wall and the second groove side wall to limit the limiting protrusion from falling out of the limiting groove.

Optionally, the avoidance groove extends along the axis direction of the lance head, and the avoidance groove is obliquely arranged along the circumferential direction of the lance head.

Optionally, the number of the matching parts is multiple, and the multiple matching parts are arranged at intervals along the circumferential direction of the water gun pipe; correspondingly, the fixing parts are provided with a plurality of corresponding matching parts, and the fixing parts are distributed at intervals along the circumferential direction of the water gun head.

In the technical scheme of the utility model, the water gun comprises a shell, a handle, a pumping module and a control module, the shell is provided with a water inlet hole and a water outlet hole, the water outlet hole is arranged at one end of the shell, the water inlet hole is used for being connected with a water inlet pipe, the water outlet hole is used for being connected with a water gun pipe, the shell is also provided with an installation cavity, the handle is arranged on the outer wall of the shell and is positioned in the middle part of the shell, the pumping module is arranged in the installation cavity, the pumping module is provided with a water inlet joint and a water outlet joint, the water inlet joint is communicated with the water inlet hole, the water outlet joint is communicated with the water outlet hole, the pumping module is used for conveying water from the water inlet hole to the water outlet hole, the control module comprises a switch piece and a power regulating component, the switch piece is arranged on the end face of the handle far away from one end of the shell, the switch piece is electrically connected with the pumping module and used for controlling the starting and stopping of the pumping module, the power adjusting component is arranged at one end of the shell, which is far away from the water outlet hole, and the power adjusting component is electrically connected with the pumping module and used for adjusting the power of the pumping module; will power adjustment assembly locates the casing is kept away from the one end of apopore, the person of facilitating the use can carry out power adjustment at any time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a water gun according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the water gun of FIG. 1;

FIG. 3 is a cross-sectional view of the water gun of FIG. 1;

FIG. 4 is a partial enlarged view of portion A of FIG. 3;

FIG. 5 is a partial cross-sectional view of the water gun of FIG. 1 from another perspective;

FIG. 6 is a schematic front view of the lance head of FIG. 1;

FIG. 7 is a schematic perspective view of the lance head of FIG. 6;

FIG. 8 is a perspective view of the water barrel of FIG. 1;

fig. 9 is a cross-sectional view of the water barrel of fig. 8.

The reference numbers indicate:

reference numerals	Name(s)	Reference numerals	Name (R)
				1	Shell body	4221	Second tooth part
11	Water inlet	423	Adjusting ring
				12	Water outlet hole	4231	First tooth part
13	Outer casing	5	Water barrel
				14	End cap	51	Gun barrel body
2	Handle bar	52	Mounting tube
				3	Pumping module	521	Spacing protrusion
31	Water pump	6	Water gun head
				32	Electric machine	61	Gun head body
33	Power supply module	62	First connecting section
				4	Control module	621	Limiting groove
41	Switch piece	622	Dodging groove
				42	Power regulating assembly	623	Stop lug
421	Circuit board	63	Second connecting section
				422	Regulating device

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiments of the present invention, the directional indications are only used for explaining the relative position relationship between the components, the motion situation, etc. under a certain posture (as shown in the drawings), and if the certain posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The water gun is widely applied to scenes such as automobile cleaning, can be connected with a water source and sprays water in the water source to the surface of an object to be cleaned at a high speed, so that the object to be cleaned is cleaned. In the related art, the switch button of the water gun is arranged on the periphery of the shell, so that the situation of mistaken touch exists during use, and potential safety hazards exist.

In view of this, the utility model provides a squirt aims at solving among the prior art switch button of squirt and establishes all sides at the casing, has the condition that the mistake touched when using, has the problem of potential safety hazard, and fig. 1 to fig. 9 do the utility model provides an embodiment of squirt.

Referring to fig. 1 to 4, the water gun includes a housing 1, a handle 2, a pumping module 3 and a control module 4, the housing 1 is provided with a water inlet 11 and a water outlet 12, the water outlet 12 is provided at one end of the housing 1, the water inlet 11 is used for connecting with a water inlet pipe, the water outlet 12 is used for connecting with a water gun barrel 5, and the housing 1 is further provided with an installation cavity; the handle 2 is arranged on the outer wall of the shell 1 and is positioned in the middle of the shell 1; the pumping module 3 is arranged in the mounting cavity, the pumping module 3 is provided with a water inlet joint and a water outlet joint, the water inlet joint is communicated with the water inlet hole 11, the water outlet joint is communicated with the water outlet hole 12, and the pumping module 3 is used for conveying water from the water inlet hole 11 to the water outlet hole 12; control module 4 includes switch 41 and power adjusting component 42, and switch 41 locates the terminal surface that casing 1's one end was kept away from to handle 2, switch 41 and pumping module 3 electric connection for control pumping module 3 open and stop, and power adjusting component 42 locates the one end that casing 1 kept away from apopore 12, and power adjusting component 42 and pumping module 3 electric connection for adjust pumping module 3's power.

In the technical scheme of the utility model, a shell 1 is provided with a water inlet hole 11 and a water outlet hole 12, the water outlet hole 12 is arranged at one end of the shell 1, the water inlet hole 11 is used for connecting with a water inlet pipe, the water outlet hole 12 is used for connecting with a water gun pipe 5, the shell 1 is also provided with an installation cavity, a handle 2 is arranged on the outer wall of the shell 1 and is positioned at the middle part of the shell 1, a pumping module 3 is arranged in the installation cavity, the pumping module 3 is provided with a water inlet joint and a water outlet joint, the water inlet joint is communicated with the water inlet hole 11, the water outlet joint is communicated with the water outlet hole 12, the pumping module 3 is used for conveying water from the water inlet hole 11 to the water outlet hole 12, a control module 4 comprises a switch part 41 and a power adjusting component 42, the switch part 41 is arranged at the end face of the handle 2 far away from one end of the shell 1, the switch part 41 is electrically connected with the pumping module 3 for controlling the start and stop of the pumping module 3, the power adjusting component 42 is arranged at one end of the shell 1 far away from the water outlet hole 12, the power adjusting component 42 is electrically connected with the pumping module 3 and is used for adjusting the power of the pumping module 3, the switch piece 41 is arranged at one end of the handle 2 away from the shell 1, the mistaken touch of a user is avoided, and the safety factor is improved; locate the one end that the apopore 12 was kept away from to casing 1 with power adjustment assembly 42, convenience of customers can carry out power adjustment at any time.

Specifically, please refer to fig. 2 to 3, in this embodiment, the handle 2 is disposed on the outer wall of the housing 1 and located in the middle of the housing 1, the handle 2 is away from the water outlet 12, so that the user can grip the housing, the water inlet 11 is located between the handle 2 and the water outlet 12, and the handle and the water outlet 12 are both away from the control module 4, so as to avoid the use, and the water vapor is splashed to the control module 4, thereby increasing the safety factor.

Specifically, referring to fig. 3 to 4, the housing 1 includes a housing 13 and an end cover 14, the housing 13 has a housing cavity, the housing 13 has a first end and a second end that are opposite to each other, the water outlet 12 is disposed at the first end, the second end is open, the end cover 14 covers the second end, and the housing 13 and the end cover 14 together enclose to form an installation cavity.

Specifically, the squirt still includes display module, and display module locates end cover 14, and display module's display screen is located one side that the shell was backed away from to the end cover, display module and pumping module 3 electric connection for show relevant parameter, through being located one side that the shell was backed away from to the end cover with display module's display screen, also display screen is to the user, and the person of facilitating the use observes relevant data.

Further, the outside of end cover 14 is equipped with the mounting hole, and display module includes display screen and display circuit board, and one side of display circuit board is located to the display screen to display screen and display circuit board electric connection, display circuit board and pumping module 3 electric connection, display circuit board install in one side of end cover 14 towards shell 13, the display screen is then installed in the mounting hole, makes the display screen be located one side that the end cover is back to the shell.

Furthermore, the squirt also includes the housing that transparent material made, and the housing covers the lateral surface of establishing in end cover 14.

Specifically, referring to fig. 3 to 5, the power adjusting module includes a circuit board 421 and an adjusting ring 423, the circuit board 421 is disposed on the inner side of the end cap 14, the circuit board 421 is provided with an adjusting device 422 that is rotatably disposed, the adjusting device 422 is used for adjusting power, the adjusting ring 423 is rotatably mounted on the periphery of the end cap 14, and the adjusting ring 423 is connected to the adjusting device 422 so as to rotate the adjusting device 422 through the rotation of the adjusting ring 423 to adjust the power of the pumping module 3. The specific form of the adjusting device 422 is not limited herein, and in the present embodiment, the adjusting device 422 is an encoder.

It should be noted that, the power regulation of current squirt is the gear regulation, only have several gears to supply the user to select promptly, belong to the punctiform and adjust, can't seek according to user's needs and carry out arbitrary power regulation, it is very inconvenient to use, in the present application, the adjusting device is the encoder, the encoder passes through circuit board 421 and pumping module 3 electric connection, in order to realize the linear regulation of power, a power regulation interval also has promptly, for example, the power regulation interval is between w300-800w, can be with the arbitrary value of power regulation to the power interval in, it is more convenient to adjust power, user's use experience has been improved, the circuit on encoder and the circuit board is prior art, do not do the repeated description here.

Further, referring to fig. 5, the adjusting ring 423 has a rotating portion, the adjusting device 422 has a matching portion, and the rotating portion and the matching portion are matched to drive the adjusting device 422 to rotate when the adjusting ring 423 rotates. The rotating portion comprises a plurality of first tooth portions 4231 located on the inner side of the adjusting ring 423, the first tooth portions 4231 are uniformly distributed along the circumferential direction of the adjusting ring 423, the matching portion comprises a plurality of second tooth portions 4221 arranged on the periphery of the adjusting device 422, the second tooth portions 4221 are uniformly distributed along the circumferential direction of the adjusting device 422, and the first tooth portions 4231 are meshed with the second tooth portions 4221 to drive the adjusting device 422 to rotate when the adjusting ring 423 rotates.

Specifically, referring to fig. 4, the specific form of the adjusting ring 423 rotatably mounted on the outer periphery of the end cover 14 is not limited, in this embodiment, the adjusting ring 423 is provided with a mounting groove along the circumferential direction of the adjusting ring 423, the mounting groove is provided in a complete circle, the inner side wall of the shell cavity at the second end is provided with a mounting protrusion along the circumferential direction, the mounting protrusion is matched with the mounting groove, so that the adjusting ring 423 is rotatably mounted on the end cover 14, and the adjusting ring 423 is limited to move along the axial direction thereof by two opposite side walls of the mounting groove.

Specifically, please refer to fig. 6 to 9, the water gun further includes a water gun tube 5 and a water gun head 6, one end of the water gun tube 5 is connected to the water inlet 11, the inner side wall of the other end is provided with a matching portion, the periphery of one end of the water gun head 6 is provided with a fixing portion, so that when the water gun head 6 is inserted into the water gun tube 5, the fixing portion is matched with the matching portion, so that the water gun head 6 is detachably connected to the water gun tube 5.

The concrete form of the connection between the water gun pipe 5 and the water inlet hole 11 is not limited, and the connection can be detachable or integrated.

Specifically, one of them is the spacing groove 621 that sets up along circumference for cooperation portion and fixed part, another is spacing arch 521, that is, can be that spacing groove 621 locates the periphery that the squirt has, the inside wall in the official cavity of squirt gun pipe 5 is located to spacing arch 521, also can be that spacing groove 621 locates the inside wall in the official cavity of squirt gun pipe 5, the periphery that the squirt has is located to spacing

arch

521, 6 peg graft in squirt gun pipe 5 at the squirt head, spacing arch 521 is located in the spacing groove 621, in order to fix the one end with squirt gun pipe 5 with squirt gun head 6.

Specifically, referring to fig. 6 to 8, in the present embodiment, the limiting groove 621 is disposed on the outer periphery of the gun head 6, and the limiting protrusion 521 is disposed on the inner side wall of the gun barrel 5; an avoidance groove 622 is formed by extending from one end of the limiting groove 621 to the end face of the water gun head 6 close to the water gun pipe 5; when the rifle head 6 rotates and pegs graft in barrel 5, spacing arch 521 rotates to spacing groove 621 from dodging groove 622 to make rifle head 6 install in barrel 5, during the concrete use, at first aim at spacing arch 521 and dodge the opening part of groove 622, insert rifle head 6 in barrel 5 gradually afterwards, when spacing arch 521 activity to corresponding with spacing groove 621, rotate rifle head 6, make spacing arch 521 rotate to spacing inslot 621, thereby accomplish the installation of rifle head 6 and barrel 5, simple to operate.

Specifically, referring to fig. 6 to 7, in order to prevent the limiting protrusion 521 from being removed from the limiting groove 621 when in use, the limiting groove 621 has a first groove side wall close to the water gun tube 5, the avoiding groove 622 is provided with a second groove side wall connected to the first groove side wall, and a stopping protrusion 623 is convexly formed at a connection part of the first groove side wall and the second groove side wall to limit the limiting protrusion 521 from being removed from the limiting groove 621, so that the purpose of stopping the limiting protrusion 521 from rotating can be achieved by the stopping protrusion 623, and the water gun head 6 is separated from the water gun tube 5 when in use.

Specifically, referring to fig. 7, the avoiding groove 622 extends along the axial direction of the lance tip 6, and the avoiding groove 622 is disposed obliquely along the circumferential direction of the lance tip 6, so that the lance tip 6 is inserted into the lance tube 5 in a spiral manner.

Specifically, referring to fig. 7 to 8, the water gun head 6 includes a gun head body 61, a first connection section 62 and a second connection section 63 sequentially connected along an axial direction, a cross-sectional dimension of the first connection section 62 is larger than a cross-sectional dimension of the second connection section 63, a limiting groove 621 is disposed at an outer periphery of the first connection section 62, the first connection section 62 is used for connecting with the water gun tube 5, the second connection section 63 is used for sealing and matching with the water gun tube 5, the water gun tube 5 includes a mounting tube 52 and a gun tube body 51 sequentially arranged along a circumferential direction, wherein the lumen and the first linkage segment 62 looks adaptation of installation pipe 52, the lumen and the second linkage segment 63 looks adaptation of barrel body 51, the inside wall of the lumen of installation pipe 52 is located to spacing arch 521, first linkage segment 62 cooperates with installation pipe 52, second linkage segment 63 cooperates with barrel body 51, so in order to guarantee being connected and sealed of rifle head 6 and water barrel 5.

Specifically, a plurality of matching parts are arranged at intervals along the circumferential direction of the water gun pipe 5; correspondingly, the fixed part is equipped with a plurality ofly corresponding to a plurality of cooperation portions, and a plurality of fixed parts are laid along 6 circumference intervals of squirt head.

It can be understood that the connection manner of the water gun pipe 5 to the water inlet 11 may be the same as the connection manner of the water gun pipe 5 and the water gun head 6, and the detailed description thereof is omitted.

Specifically, referring to fig. 3, the specific location of the pumping module 3 is not limited, and the pumping module 3 may be disposed adjacent to the handle 2; it is also possible that the pumping module 3 is located at an end of the housing 1 remote from the outlet hole 12. So, the great pumping installations of quality is close to handle 2 setting in the squirt, and handle 2 is located between the both ends of squirt, and the focus of squirt can make the squirt be held by the staff near the junction of handle 2 and casing 1, can not appear obvious apopore 12 heavy first sense, makes holding and using of squirt more laborsaving.

Specifically, referring to fig. 3, in the embodiment, the pumping module 3 includes a water pump 31, a motor 32 and a power module 33, the motor 32 is connected to the water pump 31, the power module 33 is electrically connected to the motor 32, the water pump 31 has a water inlet joint and a water outlet joint, and the water pump 31, the motor 32 and the power module 33 are sequentially arranged along a direction away from the water outlet hole 12. Wherein the motor 32 is arranged opposite to the handle 2.

Specifically, the power module 33 includes a mounting bracket and a plurality of batteries, the mounting bracket is disposed in the mounting cavity and connected to a sidewall of the mounting cavity, the mounting bracket is provided with a plurality of mounting slots, and the mounting slots are arranged in an array; the plurality of batteries correspond to the plurality of mounting grooves one by one, each battery is correspondingly mounted in the mounting groove, the plurality of batteries are electrically connected with one another to form a battery pack, and the battery pack is electrically connected with the motor 32.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A water gun, comprising:

the control module comprises a switch piece and a power adjusting assembly, the switch piece is arranged on the end face of one end of the casing, the handle is far away from the end face of one end of the casing, the switch piece is electrically connected with the pumping module and used for controlling starting and stopping of the pumping module, the power adjusting assembly is arranged on one end of the casing, which is far away from the water outlet hole, of the casing, and the power adjusting assembly is electrically connected with the pumping module and used for adjusting the power of the pumping module.

2. The water gun as claimed in claim 1, wherein said housing includes a housing having a housing cavity and a first end and a second end opposite to each other, said water outlet is disposed at said first end, said second end is open, said end cap is disposed at said second end, and said housing and said end cap together enclose said mounting cavity.

3. The water gun as claimed in claim 2, further comprising a display assembly disposed on the end cap, wherein a display screen of the display assembly is located on a side of the end cap facing away from the housing, and the display assembly is electrically connected to the pumping module for displaying relevant parameters.

4. The water gun as claimed in claim 2, wherein the power adjustment module includes a circuit board and an adjustment ring, the circuit board is disposed inside the end cover, the circuit board is provided with a rotatably disposed adjustment device, the adjustment ring is rotatably mounted on the outer periphery of the end cover, and the adjustment ring is connected to the adjustment device, so that the adjustment device is driven to rotate by the rotation of the adjustment ring to adjust the power of the pumping module.

5. The water gun as claimed in claim 1, wherein the water gun further comprises a barrel and a head, one end of the barrel is connected to the water inlet, the inner side wall of the other end is provided with a matching portion, and the head is provided with a fixing portion at an outer periphery thereof, so that when the head is inserted into the barrel, the fixing portion and the matching portion are matched to detachably connect the head to the barrel.

6. The water gun as claimed in claim 5, wherein one of the engaging portion and the fixing portion is a circumferentially disposed limiting groove, and the other is a limiting protrusion.

7. The water gun as claimed in claim 6, wherein said limiting groove is provided on the outer periphery of said water gun head, and said limiting protrusion is provided on the inner side wall of said water gun barrel;

8. The water gun as claimed in claim 7, wherein the limiting groove has a first groove sidewall adjacent to the water gun barrel, the avoiding groove has a second groove sidewall connected to the first groove sidewall, and a stop protrusion is convexly formed at a junction of the first groove sidewall and the second groove sidewall to limit the limiting protrusion from being removed from the limiting groove.

9. A water gun as claimed in claim 8, wherein the avoidance channel extends in the direction of the axis of the gun head, and the avoidance channel is inclined in the circumferential direction of the gun head.

10. The water gun as claimed in claim 5, wherein said engagement portion is provided in plural, and plural engagement portions are arranged at intervals along a circumferential direction of said water gun barrel; correspondingly, the fixing parts are provided with a plurality of corresponding matching parts, and the fixing parts are distributed at intervals along the circumferential direction of the water gun head.