CN219834991U - Self-swinging spray gun - Google Patents

Abstract

The utility model relates to the technical field of spray guns, and particularly discloses a self-swinging spray gun which comprises a base, a spray gun main body and a swinging mechanism, wherein the base comprises an upper base and a lower base which are rotationally connected, the lower base is provided with a fluted disc, and the upper base and the lower base are enclosed to form a communication cavity; the spray gun main body is arranged on the upper base; the swing mechanism comprises a spray pipe, an impeller, a driving part and a transmission part, wherein the spray pipe comprises at least two swing spray pipes, one ends of the at least two swing spray pipes are communicated with the communication cavity, the driving part can drive the other ends of the spray pipe to swing on a preset plane, the at least two swing spray pipes are located on the same plane where the vertical plane is located, the impeller is rotationally arranged on the spray gun main body, the rotating shaft of the impeller is vertical to the preset plane, the other ends of the swing spray pipes are opposite to the impeller, the impeller is in transmission connection with the input end of the transmission part, the transmission part is fixedly arranged on the upper base, and the output end of the transmission part is meshed with the fluted disc. The device has solved the too little condition of the power that obtains of impeller, unable drive spray gun main part swing.

Description

Self-swinging spray gun

Technical Field

The utility model relates to the technical field of spray guns, in particular to a self-swinging spray gun.

Background

Along with the development of science and technology and the enhancement of importance degree of people to water resources, people abandon a full-water watering mode when watering crops, and an efficient and water-saving sprinkling irrigation mode is gradually favored by people.

The prior art patent CN202111331631.8 discloses an angle-adjustable spray gun, which comprises a base, wherein the base comprises an upper base and a lower base, and a fluted disc is arranged on the lower base; the nozzle comprises a base, a nozzle body and a fixed sleeve, wherein the base is fixedly arranged on the pipe body, the nozzle body can rotate upwards or downwards relative to the base, and the fixed sleeve enables the nozzle body to be sealed with the base and fixedly connected with the base; the horizontal driving assembly comprises a steering wheel, a worm, a steering water spray pipe and a speed reducing assembly, and water sprayed by the steering water spray pipe can drive the steering wheel to rotate; and one end of the transmission rod is fixed at the output end of the speed reducing assembly, the other end of the transmission rod is provided with external teeth meshed with the fluted disc, the speed reducing assembly can drive the transmission rod to rotate, and the transmission rod can rotate around the fluted disc.

The spray gun with the adjustable angle realizes a spray irrigation mode with high efficiency and water saving, but the problem that the power obtained by the steering wheel cannot drive and adjust the spray gun pendulum when the water quantity sprayed by the steering spray pipe is insufficient.

Disclosure of Invention

The utility model aims at: the self-swinging spray gun is provided to solve the problem that the power obtained by the steering wheel cannot drive and regulate the spray gun pendulum when the water quantity sprayed by the steering spray pipe is insufficient in the related art.

The present utility model provides a self-swinging spray gun comprising:

the base comprises an upper base and a lower base which are rotationally connected, a fluted disc is arranged on the lower base, and a communicating cavity is defined by the upper base and the lower base;

the spray gun main body comprises a pipe body and a nozzle, one end of the pipe body is fixed on the upper base and is communicated with the communication cavity, and the nozzle is communicated with the other end of the pipe body;

the swing mechanism comprises a spray pipe, an impeller, a driving part and a transmission part, wherein the spray pipe comprises at least two swing spray pipes, one ends of the swing spray pipes are communicated with the communication cavity, the driving part can drive the at least two swing spray pipes to swing on a preset plane, the at least two swing spray pipes are located in the same plane where the preset plane is located along the perpendicular direction, the impeller is rotationally arranged on the spray gun main body, the rotating shaft of the impeller is perpendicular to the preset plane, the at least two swing spray pipes are opposite to the impeller, the impeller is in transmission connection with the input end of the transmission part, the transmission part is fixedly arranged on the upper base, and the output end of the transmission part is meshed with the fluted disc.

As the preferable technical scheme of the self-swinging spray gun, one end of at least two swinging spray pipes is respectively connected with the upper base in a swinging way;

the water spraying pipe further comprises at least two water quantity regulating valves, and the at least two water quantity regulating valves are arranged on the at least two swing spray pipes in a one-to-one correspondence mode.

As the preferable technical scheme of the self-swinging spray gun, the spray pipe further comprises a main pipe, one end of at least two swinging spray pipes is communicated with one end of the main pipe, and the other end of the main pipe is communicated with the communication cavity and can be connected with the upper base in a swinging way;

the water spraying pipe also comprises a water quantity regulating valve and is positioned on the main pipe,

and/or the water spray pipe further comprises at least two water quantity regulating valves, and the water quantity regulating valves are arranged on at least two swing spray pipes in a one-to-one correspondence manner.

As the preferable technical scheme of the self-swinging spray gun, the impeller comprises at least two layers of blade groups, and the at least two layers of blade groups are in one-to-one correspondence with the other ends of the at least two swinging spray pipes.

As the preferable technical scheme of the self-swinging spray gun, the lower base is provided with a first limiting piece and a second limiting piece at intervals along the circumferential direction of the lower base;

the driving piece comprises a swinging support, a first connecting rod, a second connecting rod, a first shaft and a second shaft, wherein the first shaft and the second shaft are in an L shape, the first shaft is rotatably arranged on the upper base, the rotating shaft of the first shaft is perpendicular to the preset plane, the second shaft is positioned between the first limiting piece and the second limiting piece, one end of the swinging support is fixedly connected with the swinging spray pipe, the other end of the swinging support is in rotary fit with the first shaft, one end of the first connecting rod is fixedly connected with the first shaft, the other end of the first connecting rod is fixedly connected with one end of the second connecting rod, and the other end of the second connecting rod is fixedly connected with one end of the swinging support.

As the preferable technical scheme of the self-swinging spray gun, the interval between the first limiting piece and the second limiting piece along the circumferential direction of the lower base is adjustable.

As the preferred technical scheme of self-swinging spray gun, the driving medium includes reduction gear and transfer line, the input of reduction gear with impeller transmission is connected, the output of reduction gear with the one end transmission of transfer line is connected, the other end coaxial line of transfer line is provided with the worm, the worm stretches into go up the base and with the fluted disc meshing.

As the preferred technical scheme of self-swinging spray gun, the nozzle includes base, nozzle body and fixed cover, the base set firmly in the other end of body and with the body intercommunication, the nozzle body can for the base upwards or rotate downwards, fixed cover can dismantle fix on the base and can make the nozzle body with the sealed intercommunication of base.

As the preferred technical scheme of self-swinging spray gun, be equipped with the hemisphere groove on the base, the nozzle body include can with hemisphere groove complex locating ball and with the nozzle portion of locating ball rigid coupling, the fixed cover is provided with the through-hole, nozzle portion passes the through-hole, the fixed cover with the base rigid coupling just will the locating ball limit is located in the hemisphere groove.

As the preferred technical scheme of self-swinging spray gun, still include garrulous water subassembly, garrulous water subassembly includes first garrulous water pole, second garrulous water pole, eccentric wheel and contact block, first garrulous water pole with the body is parallel and around its axis rotate set up in the body, the contact block with first garrulous water pole rigid coupling is equipped with on the transfer line the eccentric wheel, the eccentric wheel drive the contact block removes, so that first garrulous water pole rotates, first garrulous water pole drive second garrulous water pole have with the nozzle is relative and two states of staggering.

The beneficial effects of the utility model are as follows:

the utility model provides a self-swinging spray gun, which comprises a base, a spray gun main body and a swinging mechanism, wherein the base comprises an upper base and a lower base which are rotationally connected, a fluted disc is arranged on the lower base, and a communicating cavity is defined by the upper base and the lower base; the spray gun main body comprises a pipe body and a nozzle, one end of the pipe body is fixed on the upper base and is communicated with the communication cavity, and the nozzle is communicated with the other end of the pipe body; the swing mechanism comprises a spray pipe, an impeller, a driving part and a transmission part, wherein the spray pipe comprises at least two swing spray pipes, one ends of the at least two swing spray pipes are communicated with the communication cavity, the driving part can drive the other ends of the at least two swing spray pipes to swing on a preset plane, the at least two swing spray pipes are all located on the same plane where the vertical plane is located, the impeller is rotated and arranged on the spray gun main body, a rotating shaft of the impeller is vertical to the preset plane, the other ends of the at least two swing spray pipes are opposite to the impeller, the impeller is in transmission connection with the input end of the transmission part, the transmission part is fixedly arranged on the upper base, and the output end of the transmission part is meshed with the fluted disc. When the self-swinging spray gun is used, the lower base is connected with an external water source, and water sequentially enters the communication cavity and the pipe body under the pressure of the water source and finally is sprayed out from the nozzle. In the process, water in the communication cavity is sprayed out through the other ends of the at least two swinging spray pipes, the driving piece drives the spray pipe to swing in a preset plane, when the other ends of the spray pipe are opposite to one side of the impeller along the rotating shaft, the water sprayed out of the spray pipe drives the impeller to rotate clockwise, when the other ends of the spray pipe are opposite to the other side of the impeller along the rotating shaft, the water sprayed out of the spray pipe drives the impeller to rotate anticlockwise, and the output end of the driving piece is meshed with the fluted disc, so that the driving piece can rotate around the fluted disc. In the process, the spray pipe is provided with at least two swing spray pipes, so that the water yield can be improved, the power of the impeller is improved, and the situation that the spray gun main body cannot be driven to swing due to the power obtained by the impeller is prevented.

Drawings

FIG. 1 is a schematic view of a self-swinging spray gun according to a first embodiment of the present utility model;

FIG. 2 is a schematic view of a self-swinging spray gun (with the upper base removed) according to a first embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a partial enlarged view at B in FIG. 1;

FIG. 5 is a schematic view of a self-swinging spray gun according to a second embodiment of the present utility model;

fig. 6 is a schematic structural view of a sprinkler tube according to a second embodiment of the present utility model.

In the figure:

11. an upper base; 12. a lower base; 121. fluted disc; 122. a first limiting member; 123. a second limiting piece;

2. a spray gun body; 21. a tube body; 22. a nozzle; 221. a base; 222. a nozzle body; 2221. a positioning ball; 2222. a nozzle portion; 223. a fixed sleeve;

31. swinging the spray pipe; 32. a water quantity regulating valve; 33. an impeller; 331. a blade group; 332. a partition plate; 341. a swing bracket; 342. a first link; 343. a second link; 344. a first shaft; 345. a second shaft; 351. a speed reducer; 352. a transmission rod; 353. a worm; 36. a main pipe;

41. a first water crushing rod; 42. a second water crushing rod; 43. an eccentric wheel; 44. a contact block; 45. and (3) a torsion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above 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 less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Example 1

As shown in fig. 1 to 4, the present embodiment provides a self-swinging spray gun, which comprises a base, a spray gun main body 2 and a swinging mechanism, wherein the base comprises an upper base 11 and a lower base 12 which are rotatably connected, a fluted disc 121 is arranged on the lower base 12, and a communication cavity is defined by the upper base 11 and the lower base 12; the spray gun main body 2 comprises a pipe body 21 and a nozzle 22, one end of the pipe body 21 is fixed on the upper base 11 and is communicated with the communication cavity, and the nozzle 22 is communicated with the other end of the pipe body 21; the swing mechanism comprises a spray pipe, an impeller 33, a driving part and a transmission part, wherein the spray pipe comprises at least two swing spray pipes 31, one ends of the at least two swing spray pipes 31 are communicated with the communication cavity, the driving part can drive the other ends of the at least two swing spray pipes 31 to swing on a preset plane, the at least two swing spray pipes 31 are located in the same plane perpendicular to the preset plane, the impeller 33 is rotationally arranged on the spray gun main body 2, a rotating shaft of the impeller 33 is perpendicular to the preset plane, the other ends of the at least two swing spray pipes 31 are opposite to the impeller 33, the impeller 33 is in transmission connection with the input end of the transmission part, the transmission part is fixedly arranged on the upper base 11, and the output end of the transmission part is meshed with the fluted disc 121. When the self-swinging spray gun is used, the lower base 12 is connected with an external water source, and under the pressure of the water source, water sequentially enters the communication cavity and the pipe body 21 and finally is sprayed out from the nozzle 22. In this process, the water in the communication cavity is sprayed out through the other end of the spray pipe, the driving member drives the swing spray pipe 31 to swing in a preset plane, when the other end of the swing spray pipe 31 is opposite to one side of the impeller 33 along the rotating shaft, the water sprayed out of the swing spray pipe 31 drives the impeller 33 to rotate clockwise, when the other end of the swing spray pipe 31 is opposite to the other side of the impeller 33 along the rotating shaft, the water sprayed out of the swing spray pipe 31 drives the impeller 33 to rotate anticlockwise, and the output end of the driving member is meshed with the fluted disc 121, so that the driving member can rotate around the fluted disc 121, and the driving member rotates clockwise or anticlockwise around the fluted disc 121 due to the fact that the impeller 33 is in driving connection with the input end of the driving member, so that the driving member is fixedly arranged on the upper bottom shell, and therefore the spray gun main body 2 swings clockwise or anticlockwise relative to the lower bottom shell. In this process, by providing at least two swing nozzles 31, the water yield can be further improved, and the power of the impeller 33 can be further improved, so that the situation that the power obtained by the impeller 33 cannot drive the spray gun main body 2 to swing is prevented.

In this embodiment, the swing nozzle 31 is a hard pipe, and in other embodiments, the swing nozzle 31 may be a flexible pipe.

Optionally, one end of at least two swing nozzles 31 is respectively connected with the upper base 11 in a swinging manner; the spray pipe further comprises at least two water quantity regulating valves 32, and the at least two water quantity regulating valves 32 are arranged on the at least two swing spray pipes 31 in a one-to-one correspondence manner. In this embodiment, one end of the swing nozzle 31 is respectively connected with the upper base, and the water yield of the swing nozzle 31 can be adjusted by the water yield adjusting valve 32, so that the adjustable range of the water yield acting on the impeller 33 can be enlarged by the arrangement, and further, the adjustment of more swing frequencies of the self-swing spray gun can be realized. Specifically, in the present embodiment, two swing spouts 31 are provided, and two water amount adjusting valves 32 are provided. In other embodiments, the swing nozzle 31 may be provided in 3, 4, 5, or the like. In this embodiment, one end of at least two swing nozzles 31 is swingably connected to the upper base 11.

Optionally, the impeller 33 includes at least two vane groups 331, and the at least two vane groups 331 are in one-to-one correspondence with the other ends of the at least two swing nozzles 31. In this embodiment, the water sprayed from the other end of the swing nozzle 31 can be completely applied to the impeller 33. Specifically, when two swing nozzles 31 are provided in the present embodiment, the impeller 33 includes a partition 332 and two sets of vane groups 331, the two sets of vane groups 331 are respectively provided on both sides of the partition 332, and the other ends of the two swing nozzles 31 are respectively opposite to the two sets of vane groups 331. In other embodiments, at least two layers of vane sets 331 may be disposed at intervals, and the vane sets 331 need only be guaranteed to correspond to the swing nozzles 31 one by one.

Optionally, the lower base 12 is provided with a first limiting member 122 and a second limiting member 123 at intervals along the circumferential direction thereof, and one end of the swing nozzle 31 is in swing connection with the upper base 11; the driving member includes a swing bracket 341, a first link 342, a second link 343, and a first shaft 344 and a second shaft 345 with L-shapes, where the first shaft 344 is rotatably disposed on the upper base 11 and the rotation axis thereof is perpendicular to the preset plane, the second shaft 345 is located between the first limiting member 122 and the second limiting member 123, one end of the swing bracket 341 is fixedly connected with the swing nozzle 31, the other end is rotationally matched with the first shaft 344, one end of the first link 342 is fixedly connected with the first shaft 344, the other end of the first link 342 is fixedly connected with one end of the second link 343, and the other end of the second link 343 is fixedly connected with one end of the swing bracket 341. In this embodiment, when the other end of the swing nozzle 31 is opposite to one side of the rotation axis of the impeller 33, the upper base 11 rotates clockwise relative to the lower base 12, so that the second shaft 345 contacts the first limiting member 122, and the first shaft drives the first link 342 to swing along with the continuous rotation of the upper base 11 relative to the lower base 12, and the first link 342 drives the second link 343 so that the other end of the swing nozzle 31 is opposite to the other side of the rotation axis of the impeller 33, and at this time, the upper base 11 rotates counterclockwise relative to the lower base 12. When the other end of the swing nozzle 31 is opposite to the other side of the rotation shaft of the impeller 33, the upper base 11 rotates counterclockwise relative to the lower base 12, so that the second shaft 345 abuts against the second limiting member 123, and as the upper base 11 continues to rotate relative to the lower base 12, the first rotation shaft drives the first link 342 to swing, and the first link 342 drives the second link 343, so that the swing bracket 341 drives the other end of the swing nozzle 31 to be opposite to one side of the rotation shaft of the impeller 33, and at this time, the upper base 11 rotates clockwise relative to the lower base 12.

Optionally, the first limiting member 122 and the second limiting member 123 are spaced apart from each other in the circumferential direction of the lower base 12. In the present embodiment, the above arrangement can adjust the swing amplitude of the gun body 2.

Optionally, the driving medium includes a speed reducer 351 and a driving rod 352, an input end of the speed reducer 351 is in driving connection with the impeller 33, an output end of the speed reducer 351 is in driving connection with one end of the driving rod 352, a worm 353 is coaxially arranged at the other end of the driving rod 352, and the worm 353 extends into the upper base 11 and is meshed with the fluted disc 121. In the present embodiment, the input end of the speed reducer 351 is connected to the impeller 33 by a worm wheel and worm 353 in a transmission manner, and in other embodiments, a bevel gear transmission connection, a chain transmission connection, or the like may be used. The speed reducer 351 is structured as a planetary gear speed reducer 351.

Optionally, the nozzle 22 includes a base 221, a nozzle body 222, and a fixing sleeve 223, where the base 221 is fixedly disposed at the other end of the tube 21 and is in communication with the tube 21, the nozzle body 222 can rotate upward or downward relative to the base 221, and the fixing sleeve 223 is detachably fixed on the base 221 and can enable the nozzle body 222 to be in sealing communication with the base 221. In this embodiment, the spray radius of the self-swinging spray gun can be adjusted by adjusting the angle of the nozzle body 222 relative to the base 221.

Optionally, a hemispherical groove is formed on the base 221, the nozzle body 222 includes a positioning ball 2221 capable of being matched with the hemispherical groove and a nozzle portion 2222 fixedly connected with the positioning ball 2221, the fixing sleeve 223 is provided with a through hole, the nozzle portion 2222 penetrates through the through hole, and the fixing sleeve 223 is fixedly connected with the base 221 and limits the positioning ball 2221 in the hemispherical groove. In this embodiment, the positioning ball 2221 is provided with an angle scale, and the angle between the nozzle portion 2222 and the base 221 can be obtained by observing the angle scale.

Optionally, the self-swinging spray gun further comprises a water crushing assembly, the water crushing assembly comprises a first water crushing rod 41, a second water crushing rod 42, an eccentric wheel 43 and a contact block 44, the first water crushing rod 41 is parallel to the pipe body 21 and is rotationally arranged on the pipe body 21 around the axis of the first water crushing rod, the contact block 44 is fixedly connected with the first water crushing rod 41, the eccentric wheel 43 is arranged on a transmission rod 352, the eccentric wheel 43 drives the contact block 44 to move so as to enable the first water crushing rod 41 to rotate, and the first water crushing rod 41 drives the second water crushing rod 42 to have two states opposite to and staggered from the nozzle 22. In this embodiment, the eccentric wheel 43 is driven to rotate by the rotation of the transmission rod 352, and the contact block 44 abuts against the eccentric wheel 43, so that the contact block 44 drives the first water crushing rod 41 to rotate around the axis thereof, and the first water crushing rod 41 drives the second water crushing rod 42 to swing, so that the second water crushing rod 42 has two states of being opposite to and staggered from the nozzle 22. The second water crushing rod 42 can raise the atomization degree of the water droplets sprayed from the nozzle 22.

Optionally, the water crushing assembly further includes a torsion spring 45 sleeved on the first water crushing rod 41, one end of the torsion spring 45 is connected with the upper base 11, the other end of the torsion spring 45 is abutted with the first water crushing rod 41 or the contact block 44, and the contact block 44 is always abutted with the eccentric wheel 43 by the torsion spring 45. In other embodiments, the torsion spring 45 may be replaced by an elastic rubber member or a coil spring, which only needs to ensure that the contact block 44 always abuts against the eccentric 43.

Example two

As shown in fig. 5 and 6, the present embodiment is basically the same as the first embodiment, except that the water spray pipe further includes a main pipe 36, one end of at least two swing nozzles 31 is connected to one end of the main pipe 36, and the other end of the main pipe 36 is connected to the communication cavity and swingably connected to the upper base 11; the water spray pipe further comprises a water quantity regulating valve 32 and is positioned in the main pipe 36, and/or the water spray pipe further comprises at least two water quantity regulating valves 32 and is arranged in at least two swing spray pipes 31 in a one-to-one correspondence. In this embodiment, two swing spouts 31 are provided, and one water amount adjusting valve 32 is provided on the main pipe 36. In other embodiments, the swing nozzle 31 may be provided in 3, 4, 5, or the like.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A self-swinging spray gun, comprising:

the base comprises an upper base (11) and a lower base (12) which are rotationally connected, a fluted disc (121) is arranged on the lower base (12), and a communicating cavity is defined by the upper base (11) and the lower base (12);

the spray gun main body (2) comprises a pipe body (21) and a nozzle (22), one end of the pipe body (21) is fixed on the upper base (11) and is communicated with the communication cavity, and the nozzle (22) is communicated with the other end of the pipe body (21);

the swing mechanism comprises a spray pipe, an impeller (33), a driving part and a transmission part, wherein the spray pipe comprises at least two swing spray pipes (31), one end of each swing spray pipe (31) is communicated with the communication cavity, the driving part can drive at least two other ends of each swing spray pipe (31) to swing on a preset plane, the at least two swing spray pipes (31) are located along the same plane perpendicular to the preset plane, the impeller (33) is rotationally arranged in the spray gun main body (2), a rotating shaft of the impeller (33) is perpendicular to the preset plane, the other ends of the at least two swing spray pipes (31) are opposite to the impeller (33), the impeller (33) is in transmission connection with the input end of the transmission part, and the transmission part is fixedly arranged on the upper base (11) and the output end of the transmission part is meshed with the fluted disc (121).

2. Self-swinging spray gun according to claim 1, characterized in that one end of at least two of said swinging spray pipes (31) is swingably connected with said upper base (11), respectively;

the water spraying pipe further comprises at least two water quantity regulating valves (32), and the at least two water quantity regulating valves (32) are arranged on the at least two swing spray pipes (31) in a one-to-one correspondence mode.

3. The self-swinging spray gun according to claim 1, characterized in that said spray pipe further comprises a main pipe (36), one end of at least two of said swinging spray pipes (31) being in communication with one end of said main pipe (36), the other end of said main pipe (36) being in communication with said communication chamber and being swingably connected with said upper base (11);

the spray pipe also comprises a water quantity regulating valve (32) and is positioned on the main pipe (36),

and/or the water spray pipe further comprises at least two water quantity regulating valves (32) which are arranged on at least two swing spray pipes (31) in a one-to-one correspondence manner.

4. A self-oscillating lance according to any one of claims 1-3, wherein said impeller (33) comprises at least two layers of vane sets (331), at least two layers of said vane sets (331) being in one-to-one correspondence with the other ends of at least two of said oscillating lances (31).

5. A self-swinging spray gun according to any one of claims 1-3, characterized in that the lower base (12) is provided with first (122) and second (123) limit pieces at intervals along its circumference;

the driving piece comprises a swinging support (341), a first connecting rod (342), a second connecting rod (343) and a first shaft (344) and a second shaft (345) which are L-shaped, wherein the first shaft (344) is rotationally arranged on the upper base (11) and the rotating shaft of the first shaft is perpendicular to the preset plane, the second shaft (345) is positioned between the first limiting piece (122) and the second limiting piece (123), one end of the swinging support (341) is fixedly connected with the swinging spray pipe (31), the other end of the swinging support is in running fit with the first shaft (344), one end of the first connecting rod (342) is fixedly connected with the first shaft (344), the other end of the first connecting rod (342) is fixedly connected with one end of the second connecting rod (343), and the other end of the second connecting rod (343) is fixedly connected with one end of the swinging support (341).

6. The self-swinging spray gun of claim 5, characterized in that the spacing between the first and second spacing members (122, 123) along the circumference of the lower base (12) is adjustable.

7. The self-swinging spray gun according to claim 1, characterized in that the transmission piece comprises a speed reducer (351) and a transmission rod (352), an input end of the speed reducer (351) is in transmission connection with the impeller (33), an output end of the speed reducer (351) is in transmission connection with one end of the transmission rod (352), a worm (353) is coaxially arranged at the other end of the transmission rod (352), and the worm (353) stretches into the upper base (11) and is meshed with the fluted disc (121).

8. The self-swinging spray gun according to claim 1, characterized in that the nozzle (22) comprises a base (221), a nozzle body (222) and a fixing sleeve (223), the base (221) is fixedly arranged at the other end of the pipe body (21) and is communicated with the pipe body (21), the nozzle body (222) can rotate upwards or downwards relative to the base (221), and the fixing sleeve (223) is detachably fixed on the base (221) and can enable the nozzle body (222) to be communicated with the base (221) in a sealing way.

9. The self-swinging spray gun according to claim 8, characterized in that a hemispherical groove is formed in the base (221), the nozzle body (222) comprises a positioning ball (2221) capable of being matched with the hemispherical groove and a nozzle part (2222) fixedly connected with the positioning ball (2221), the fixing sleeve (223) is provided with a through hole, the nozzle part (2222) penetrates through the through hole, the fixing sleeve (223) is fixedly connected with the base (221) and limits the positioning ball (2221) in the hemispherical groove.

10. The self-swinging spray gun according to claim 7, further comprising a water crushing assembly, wherein the water crushing assembly comprises a first water crushing rod (41), a second water crushing rod (42), an eccentric wheel (43) and a contact block (44), the first water crushing rod (41) is parallel to the pipe body (21) and is rotatably arranged on the pipe body (21) around the axis of the pipe body, the contact block (44) is fixedly connected with the first water crushing rod (41), the eccentric wheel (43) is arranged on the transmission rod (352), the eccentric wheel (43) drives the contact block (44) to move so as to enable the first water crushing rod (41) to rotate, and the first water crushing rod (41) drives the second water crushing rod (42) to have two states of being opposite to and staggered from the nozzle (22).