CN113856928A

CN113856928A - Angle-adjustable spray gun

Info

Publication number: CN113856928A
Application number: CN202111331631.8A
Authority: CN
Inventors: 孟松
Original assignee: Xuzhou Fengshou Sprinkling Irrigation Equipment Co ltd
Current assignee: Xuzhou Fengshou Sprinkling Irrigation Equipment Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2021-12-31

Abstract

The invention relates to the technical field of spray guns, and discloses an angle-adjustable spray gun, which comprises: 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 fixing 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 fixing sleeve enables the nozzle body and the base to be sealed and fixedly connected; the horizontal driving assembly comprises a steering wheel, a worm, a steering spray pipe and a speed reduction assembly, and water sprayed by the steering spray pipe can drive the steering wheel to rotate; one end of the transmission rod is fixed at the output end of the speed reduction assembly, the other end of the transmission rod is provided with external teeth meshed with the fluted disc, the speed reduction assembly can drive the transmission rod to rotate, and the transmission rod can rotate around the fluted disc. The angle-adjustable spray gun can not only utilize the impact force of water flow to realize the rotation of the pipe body and the nozzle along the horizontal direction, but also adjust the angle between the water flow of the nozzle outlet and the horizontal plane, and is simple to operate.

Description

Angle-adjustable spray gun

Technical Field

The invention relates to the technical field of spray guns, in particular to an angle-adjustable spray gun.

Background

When current spray gun adjusting nozzle's angle, the angle that mostly is connected through regulation and nozzle comes to realize, and this kind of spray gun that the angle is adjustable receives the restriction of self structure, and manufacturing cost is higher and operates inconveniently when angle regulation.

Disclosure of Invention

Based on the above, the invention aims to provide the angle-adjustable spray gun, which is simple in structure and low in production cost, can realize the rotation of the pipe body and the nozzle along the horizontal direction by utilizing the impact force of water flow, ensures the uniformity of spraying, can adjust the angle between the water flow at the outlet of the nozzle and the horizontal plane, and is simple to operate.

In order to achieve the purpose, the invention adopts the following technical scheme:

an angularly adjustable spray gun comprising: the base comprises an upper base and a lower base which are rotatably connected, wherein a fluted disc is arranged on the lower base, and a communicating cavity is defined in the base; the pipe body is fixed on the upper base and is communicated with the communication cavity; the nozzle comprises a base, a nozzle body and a fixing 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 fixing sleeve is detachably fixed on the base and can enable the nozzle body and the base to be in sealed and fixed connection; the horizontal driving assembly comprises a steering wheel, a worm arranged on the steering wheel, a steering water spray pipe communicated with the communicating cavity and a speed reducing assembly in transmission connection with the worm, wherein the inlet end of the steering water spray pipe is movably connected with the upper base and communicated with the upper base, the outlet end of the steering water spray pipe is arranged towards the steering wheel, water sprayed by the steering water spray pipe can drive the steering wheel to rotate in a clockwise or anticlockwise direction, and the steering wheel can drive the input end of the speed reducing assembly to rotate through the worm; one end of the transmission rod is fixed at the output end of the speed reduction assembly, the other end of the transmission rod penetrates through the upper base, outer teeth meshed with the fluted disc are arranged on the upper base, the speed reduction assembly can drive the transmission rod to rotate, the transmission rod can rotate around the fluted disc, and the upper base drives the pipe body and the nozzle to rotate along the horizontal direction relative to the lower base.

As the preferred scheme of a spray gun with adjustable angle, be equipped with the hemisphere groove on the base, be equipped with the direction arch on the inner wall in hemisphere groove, the one end of nozzle body be can with hemisphere groove complex location ball, be equipped with on the outer wall of location ball with direction arch complex guide way, the location ball can be in under the effect of external force hemisphere inslot rotation can also be fixed a position in the optional position when removing external force, the location ball can be in hemisphere inslot for the base upwards perhaps rotates downwards.

As an optimal scheme of the spray gun with the adjustable angle, an angle scale is arranged at the upper end of the positioning ball, and an angle value represented by the intersection point of the base and the angle scale is an included angle value of the nozzle body and the horizontal plane.

As a preferred scheme of the angularly adjustable spray gun, the number of the guide grooves is two, two of the guide grooves are respectively located at the left end and the right end of the positioning ball, and each of the guide grooves includes: the first wall surface is vertical to the axis of the nozzle body and is arranged at intervals with the guide protrusion; the second wall surface is perpendicular to the first wall surface and parallel to the axis of the nozzle body, the second wall surface is attached to the guide protrusion, and friction force exists between the second wall surface and the guide protrusion; the third wall and the fourth wall are located respectively on two sides of the first wall, the third wall and the fourth wall are perpendicular to the second wall, the third wall is located below the first wall and can be attached to the guide protrusion in a limiting mode, the nozzle body rotates downwards, the fourth wall is located above the first wall and can be attached to the guide protrusion in a limiting mode, and the nozzle body rotates upwards.

As a preferable aspect of the angularly adjustable spray gun, the angularly adjustable spray gun further includes a water chopping assembly, the water crushing component comprises a first water crushing rod, a second water crushing rod and a contact block, the first water crushing rod is parallel to the pipe body and is fixedly connected with the contact block, the water crushing component can rotate by taking the central axis of the first water crushing rod as a rotating shaft, the second water crushing rod can rotate upwards or downwards relative to the first water crushing rod, the front end of the second water crushing rod bends towards the direction of the nozzle, the transmission rod is provided with an eccentric wheel, the eccentric wheel can jack the contact block and drive the first water crushing rod and the second water crushing rod to rotate when rotating along with the transmission rod, the first water crushing rod and the second water crushing rod can also reset when the eccentric wheel is separated from the contact block.

As the preferred scheme of spray gun with adjustable an angle, garrulous water subassembly still establishes including the cover torsional spring on the first garrulous water pole, the one end of torsional spring with go up the base and link to each other, the other end of torsional spring with first garrulous water pole perhaps contact the piece butt, the torsional spring can contact the piece with reset during the eccentric wheel separation first garrulous water pole with the garrulous water pole of second.

As a preferred scheme of the spray gun with the adjustable angle, the spray gun with the adjustable angle further comprises a reversing assembly, a sleeve is fixedly arranged on the upper base, the reversing assembly is in clearance fit with the sleeve, a positioning groove is formed in the reversing assembly, the steering spray pipe is placed in the positioning groove, a positioning ring with at least two positioning protrusions is arranged on the lower base, the reversing assembly can be abutted against one of the two adjacent positioning protrusions at each time to change the moving direction of the steering spray pipe, and therefore the rotating direction of the worm driven by the steering wheel driven by water sprayed by the steering spray pipe is changed.

As a preferred embodiment of the angularly adjustable spray gun, the reversing assembly comprises: one end of the reversing rod is positioned on the periphery of the upper base and can be abutted against the positioning bulge; the steering shaft is in clearance fit with the sleeve, one end of the steering shaft is fixedly connected with the reversing rod, and the steering shaft is perpendicular to the steering water spray pipe; one end of the steering support is rotatably connected with the other end of the steering shaft, the other end of the steering support is provided with the positioning groove, and the steering support is provided with a hollow cavity; the connecting rod assembly is arranged in the hollow cavity and comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is movably connected with the steering support through a pin shaft, the other end of the first connecting rod is connected with one end of the second connecting rod in a rotating mode, and the other end of the second connecting rod is fixedly connected with the steering shaft.

As the preferred scheme of the spray gun with adjustable an angle, be equipped with the through-hole that self circumference set up on the fluted disc, the lower extreme of inlet tube with lower base rotates and sealing connection, the upper end with go up base fixed connection, the fluted disc is established with rotating ground the cover on the base down, be equipped with telescopic coupling assembling on the base down, coupling assembling can stretch into in the through-hole, make the fluted disc is fixed on the base down, coupling assembling can also break away from the through-hole makes the transfer line drives the fluted disc rotates.

As an optimal scheme of spray gun with adjustable angle, the speed reduction subassembly includes gear train, planet wheel, fixed ring gear and planet carrier, fixed ring gear is fixed on the body, the gear train respectively with the planet wheel with the worm meshing, the planet wheel with fixed ring gear meshing just it is provided with to fix on the planet carrier the transfer line, the worm can loop through the gear train with the planet wheel drive the planet carrier drives the transfer line rotates.

The invention has the beneficial effects that: the spray gun with the adjustable angle disclosed by the invention has the advantages that the spray nozzle body can rotate upwards or downwards relative to the base, the fixed sleeve is detachably fixed on the base and can enable the spray nozzle body and the base to be hermetically and fixedly connected, the change of the included angle between the spray nozzle body and the horizontal plane is realized on the premise of ensuring that the spray nozzle is not seeped with water, the operation is simpler, the spray gun with the adjustable angle can also realize the rotation of a steering wheel through the impact force of water flow at the outlet of a steering spray pipe, the rotation of a transmission rod around a fluted disc is further realized through a worm, a speed reduction assembly and the transmission rod, the upper base drives the pipe body and the spray nozzle to rotate relative to the lower base along the horizontal direction, the spray gun with the adjustable angle rotates in the horizontal plane when spraying water, and the spraying uniformity is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and 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 contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic view of an angularly adjustable spray gun according to an embodiment of the present invention;

FIG. 2 is a schematic view of a first part of an angularly adjustable spray gun according to an embodiment of the present invention;

FIG. 3 is a schematic exploded view of a nozzle of an angularly adjustable spray gun according to an embodiment of the present invention;

FIG. 4 is a schematic view of a nozzle body of an angularly adjustable spray gun provided by an embodiment of the present invention;

FIG. 5 is a schematic view of a nozzle of an angularly adjustable spray gun provided by an embodiment of the present invention;

FIG. 6 is a schematic view of a second part of the angularly adjustable spray gun of the present invention in one orientation;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

FIG. 8 is a schematic view of a second part of the angularly adjustable spray gun of the present invention in another orientation.

In the figure:

11. an upper base; 111. a sleeve; 12. a lower base; 120. connecting holes; 121. a fluted disc; 1210. a through hole; 122. a positioning ring; 1221. positioning the projection; 123. a second bearing; 13. a connecting assembly; 131. a connecting pin; 132. a spring; 133. pressing the sheet;

21. a pipe body; 22. a base; 2201. a first flow passage; 2202. a hemispherical groove; 221. a guide projection; 222. a first internal thread; 223. a second external thread; 224. a first anti-slip projection; 23. a nozzle body; 2301. a second flow passage; 231. a spray head; 232. a positioning ball; 23201. a guide groove; 232011, a first wall; 232012, a second wall; 232013, a third wall; 232014, a fourth wall; 23202. a deformation groove; 23203. an angle scale; 24. fixing a sleeve; 241. a second internal thread; 242. a second anti-slip projection;

31. a steering wheel; 311. a steering wheel body; 312. a fan blade; 32. a worm; 321. a first bearing; 33. a steering spray pipe;

41. a gear set; 411. a first gear; 412. a second gear; 42. a planet wheel; 43. fixing the gear ring; 431. a protective cylinder; 44. a planet carrier;

5. a transmission rod; 51. an outer tooth; 52. an eccentric wheel;

6. a suspension bracket; 60. a horizontal groove;

70. positioning a groove; 71. a reversing lever; 72. a steering shaft; 73. a steering bracket; 74. a connecting rod assembly; 741. a first link; 742. a second link;

81. a first water crushing rod; 82. a second water crushing rod; 83. a contact block; 84. a torsion spring;

100. and (4) a water inlet pipe.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a spray gun with adjustable angle, as shown in fig. 1 to 8, which comprises a base, a tube body 21, a nozzle, a horizontal driving assembly and a transmission rod 5, 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, a communicating cavity is defined in the base, the tube body 21 is fixed on the upper base 11 and is communicated with the communicating cavity, the nozzle comprises a base 22, a nozzle body 23 and a fixing sleeve 24, the base 22 is fixedly arranged on the tube body 21, the nozzle body 23 can rotate upwards or downwards relative to the base 22, the fixing sleeve 24 is detachably fixed on the base 22 and can seal and fixedly connect the nozzle body 23 with the base 22, the horizontal driving assembly comprises a steering disc 31, a worm 32 arranged on the steering disc 31, a steering water spraying pipe 33 communicated with the communicating cavity and a speed reducing assembly in transmission connection with the worm 32, an inlet end of the steering water spraying pipe 33 is movably connected with the upper base 11 and is communicated with the two, the exit end of the steering spray pipe 33 is arranged towards the steering wheel 31, the water sprayed from the steering spray pipe 33 can drive the steering wheel 31 to rotate clockwise or counterclockwise, the steering wheel 31 can drive the input end of the speed reduction assembly to rotate through the worm 32, one end of the transmission rod 5 is fixed at the output end of the speed reduction assembly, the other end of the transmission rod passes through the upper base 11 and is provided with the outer teeth 51 meshed with the fluted disc 121, the speed reduction assembly can drive the transmission rod 5 to rotate and the transmission rod 5 can rotate around the fluted disc 121, so that the upper base 11 drives the pipe body 21 and the nozzle to rotate along the horizontal direction relative to the lower base 12.

The adjustable-angle spray gun provided by the embodiment, because the nozzle body 23 can upwards or downwards rotate relative to the base 22, the fixed sleeve 24 can be detachably fixed on the base 22 and can make the nozzle body 23 and the base 22 sealed and fixedly connected, the change of the included angle between the nozzle body 23 and the horizontal plane is realized on the premise of ensuring that the nozzle is not permeable to water, the operation is simple, the rotation of the steering wheel 31 can also be realized through the impact force of the water flow of the outlet of the steering spray pipe 33 of the adjustable-angle spray gun, further, the worm 32 is passed through, the speed reduction assembly and the transmission rod 5 realize that the transmission rod 5 rotates around the fluted disc 121, further, the upper base 11 is enabled to drive the pipe body 21 and the nozzle to rotate along the horizontal direction relative to the lower base 12, the adjustable-angle spray gun rotates in the horizontal plane when spraying water, and the spraying uniformity is improved.

As shown in fig. 3 and 4, a hemispherical groove 2202 is formed in the base 22, a guide protrusion 221 is formed on an inner wall of the hemispherical groove 2202, a positioning ball 232 capable of being matched with the hemispherical groove 2202 is arranged at one end of the nozzle body 23, the spray head 231 is arranged at the other end of the nozzle body, a guide groove 23201 matched with the guide protrusion 221 is formed in an outer wall of the positioning ball 232, the positioning ball 232 can rotate in the hemispherical groove 2202 under the action of external force, due to friction force between the positioning ball 232 and the hemispherical groove 2202, the positioning ball 232 can also be positioned at any position in the hemispherical groove 2202 when the external force is removed, and the positioning ball 232 can drive the spray head 231 to rotate upwards or downwards relative to the base 22 in the hemispherical groove 2202.

It should be noted that the spray head 231 of the present embodiment is a conical spray head 231, and the cross-sectional area of the second flow passage 2301 of the conical spray head 231 is gradually reduced along the direction of the water flow. The conical spray head 231 facilitates increasing the velocity of the water flowing through the second flow passage 2301 such that the water sprayed from the conical spray head is sprayed outward for a greater distance.

The nozzle of the embodiment has a simple structure and low production cost, and is easy to operate when adjusting the angle of the nozzle, firstly, the nozzle body 23 is pushed under the action of external force to rotate the positioning ball 232 in the hemispherical groove 2202 until the angle is adjusted to a required angle, the external force is removed, the positioning ball 232 is preliminarily positioned in the hemispherical groove 2202 under the action of friction force, at this time, the contact between the positioning ball 232 and the inner wall of the hemispherical groove 2202 can also reduce the outward outflow of water in the first flow channel 2201 through a gap between the positioning ball 232 and the hemispherical groove 2202, then, the fixing sleeve 24 is mounted on the base 22, the fixing sleeve 24 can extrude the base 22 to enable the positioning ball 232 to be tightly attached to the hemispherical groove 2202, so as to increase the friction force between the positioning ball 232 and the hemispherical groove 2202, ensure that the positioning ball 232 cannot rotate relative to the hemispherical groove 2202, and further reduce the possibility that the outward outflow of water through the gap between the positioning ball 232 and the hemispherical groove 2202, such that the detent ball 232 is sealingly engaged with the hemispherical groove 2202.

As shown in fig. 3, the base 22 of the present embodiment is provided with a first flow passage 2201 communicating with the pipe body 21, the nozzle body 23 is provided with a second flow passage 2301 communicating with the first flow passage 2201 in an axial direction, the inner wall of the second flow passage 2301 is provided with a deformation groove 23202 facing the positioning ball 232, and the wall surface between the positioning ball 232 and the deformation groove 23202 can be deformed toward the inside of the second flow passage 2301 when the fixing sleeve 24 presses the base 22. Specifically, when the fixing sleeve 24 is fixed on the base 22, the fixing sleeve 24 and the base 22 can press the guide groove 23201 through the guide protrusion 221, so as to increase the friction force between the guide protrusion 221 and the guide groove 23201, if the acting force of the guide protrusion 221 on the guide groove 23201 is large, the additionally arranged deformation groove 23202 makes the wall surface where the guide groove 23201 is located easy to deform inwards, and the phenomenon that the acting force of the guide protrusion 221 on the guide groove 23201 is too large to damage each other is avoided.

Specifically, as shown in fig. 4, the number of the guide grooves 23201 of the present embodiment is two, two guide grooves 23201 are respectively located at the left end and the right end of the positioning ball 232, each guide groove 23201 is disposed corresponding to one guide protrusion 221 and each guide groove 23201 includes a first wall 232011, a second wall 232012, a third wall 232013 and a fourth wall 232014, the first wall 232011 is perpendicular to the axis of the nozzle body 23 and is disposed at an interval from the guide protrusion 221, the second wall 232012 is perpendicular to the first wall 232011 and is parallel to the axis of the nozzle body 23, the second wall 232012 is attached to the guide protrusion 221 and has a friction force therebetween, the third wall 232013 and the fourth wall 232014 are respectively located at both sides of the first wall 232011, the third wall 232013 and the fourth wall 232014 are perpendicular to the second wall 232012, the third wall 232013 is located below the first wall 232011 and can be attached to the guide protrusion 221 to restrict the nozzle body 23 from rotating downward, the fourth wall 232014 is located above the first wall 232011 and can abut against the guide protrusion 221 to restrict the nozzle body 23 from rotating upward.

Further, as shown in fig. 4, the first wall 232011 and the second wall 232012 of the present embodiment are both vertical surfaces, the second wall 232012 is a fan-shaped surface, the included angle between the third wall 232013 and the second wall 232012 is 66 °, the included angle between the fourth wall 232014 and the second wall 232012 is 66 °, that is, the nozzle body 23 can rotate 48 ° at most relative to the base 22. When the nozzle body 23 rotates downward to the maximum angle relative to the base 22, the third wall 232013 abuts against the guide protrusion 221, that is, the third wall 232013 functions to limit the nozzle body 23 from continuing to rotate downward; when the nozzle body 23 is rotated upward to the maximum angle with respect to the base 22, the fourth wall 232014 abuts the guide projection 221, i.e., the fourth wall 232014 functions to restrict the nozzle body 23 from continuing to rotate upward. In other embodiments, the included angles between the third wall 232013 and the fourth wall 232014 and the second wall 232012 are not limited to this limitation of the embodiment, and may be other values, specifically according to actual needs.

In order to facilitate viewing the size of the included angle formed by the nozzle body 23 and the horizontal plane when rotating upwards, as shown in fig. 3, an angle scale 23203 is disposed at the upper end of the positioning ball 232 of the present embodiment, and the value of the angle represented by the intersection point of the base 22 and the angle scale 23203 is the included angle between the nozzle body 23 and the horizontal plane. Specifically, the range of the angle scale 23203 of the present embodiment is 48 °, that is, the angle between the nozzle body 23 and the horizontal plane may be any degree from 0 ° to 48 °. In other embodiments, the included angle between the nozzle body 23 of the angle-adjustable nozzle of the present invention and the horizontal plane is not limited to this limitation of the present embodiment, and may be in other angle ranges, specifically according to actual requirements.

As shown in fig. 5, the base 22 of the present embodiment is provided with a first internal thread 222 matching with the first external thread on the tube 21, and the base 22 can be screwed on the tube 21, as shown in fig. 3, the base 22 is further provided with a second external thread 223, the fixing sleeve 24 is provided with a second internal thread 241 matching with the second external thread 223, and the fixing sleeve 24 is screwed on the base 22. In order to facilitate screwing the base 22 to the tube 21, the base 22 of the present embodiment is provided with a plurality of first anti-slip protrusions 224 extending along the axial direction of the base 22, and in order to facilitate screwing the fixing sleeve 24 to the base 22, the fixing sleeve 24 is provided with a plurality of second anti-slip protrusions 242 extending along the axial direction of the fixing sleeve 24.

The spray gun with the adjustable angle of this embodiment still includes garrulous water subassembly, as shown in fig. 2, garrulous water subassembly includes first garrulous water pole 81, second garrulous water pole 82 and contact piece 83, first garrulous water pole 81 is parallel with body 21 and with contact piece 83 fixed connection, garrulous water subassembly can use the central axis of first garrulous water pole 81 to rotate as the pivot, first garrulous water pole 81 rotationally sets up on body 21, second garrulous water pole 82 can upwards or rotate downwards for first garrulous water pole 81, the front end of second garrulous water pole 82 is bent towards the direction of nozzle, as shown in fig. 2, be equipped with eccentric wheel 52 on the transfer line 5, eccentric wheel 52 can rotate along with transfer line 5 with jack-up contact piece 83 and drive garrulous water pole rotation, first garrulous water pole 81 and second garrulous water pole 82 can also reset when contact piece 83 and eccentric wheel 52 separate. Specifically, as shown in fig. 2, the water shredding assembly of the present embodiment further includes a torsion spring 84 sleeved on the first water shredding rod 81, one end of the torsion spring 84 is connected to the upper base 11, the other end of the torsion spring 84 abuts against the first water shredding rod 81 or the contact block 83, and the torsion spring 84 can reset the first water shredding rod 81 and the second water shredding rod 82 when the contact block 83 is separated from the eccentric wheel 52.

That is, in a natural state, the first water crushing rod 81 and the second water crushing rod 82 are in an initial position, when the transmission rod 5 rotates, the transmission rod 5 drives the eccentric wheel 52 to rotate synchronously, along with the rotation of the transmission rod 5, the eccentric wheel 52 is gradually abutted against the contact block 83 and pushes the first water crushing rod 81 and the second water crushing rod 82 to rotate through the contact block 83, at this time, the contact block 83 is gradually jacked up, the front end of the second water crushing rod 82 is gradually deviated from the outlet of the nozzle, and meanwhile, the torsion spring 84 is elastically deformed; after the eccentric wheel 52 is separated from the contact block 83, the first water crushing rod 81 and the second water crushing rod 82 rotate and reset to the initial position under the action of the torsion spring 84, the contact block 83 falls, and the second water crushing rod 82 directly faces the outlet of the nozzle at the moment, so that the function of dispersing water flow at the outlet of the nozzle is achieved. As the drive link 5 rotates, the eccentric 52 periodically lifts up the contact block 83, and the contact block 83 periodically lifts up and drops down, so that the second water breakup bar 82 is aligned with and away from the nozzle, and the effect of periodic water breakup is achieved. In other embodiments, it is also possible that when the contact block 83 is gradually jacked up, the front end of the second water crushing rod 82 faces the outlet of the nozzle; when the first water crushing rod 81 and the second water crushing rod 82 are reset to the initial positions, the front end of the second water crushing rod 82 deviates from the outlet of the nozzle and is specifically arranged according to actual requirements.

As shown in fig. 1 and 2, the speed reducing assembly of the present embodiment includes a gear set 41, a planetary gear 42, a fixed ring gear 43 and a planet carrier 44, the fixed ring gear 43 is fixed on the pipe 21, the gear set 41 is respectively engaged with the planetary gear 42 and the worm 32, the planetary gear 42 is engaged with the fixed ring gear 43, the planet carrier 44 is fixedly provided with the transmission rod 5, and the worm 32 can drive the planet carrier 44 to drive the transmission rod 5 to rotate sequentially through the gear set 41 and the planetary gear 42.

The speed reduction subassembly can reduce the rotational speed of worm 32, make the rotational speed of transfer line 5 reduced by a wide margin, thereby make the dwang drive upper base 11, body 21 and nozzle rotate for lower base 12 with slow speed, during operation with adjustable angle, the hydroenergy of spouting through turning to spray pipe 33 can promote steering wheel 31 and worm 32 and rotate with faster rotational speed, thereby worm 32 passes through speed reduction subassembly drive transfer line 5 and rotates with slow rotational speed, finally make transfer line 5 rotate around fluted disc 121 with comparatively slow rotational speed, upper base 11 has been guaranteed, body 21 and nozzle rotate with slower speed synchronization, the homogeneity of spraying has been guaranteed, the use of the spray gun with adjustable angle has been made things convenient for.

Specifically, as shown in fig. 2, the gear set 41 of the present embodiment includes a first gear 411 and a second gear 412 which are coaxially and fixedly connected, the first gear 411 has a larger diameter than the second gear 412 and meshes with the worm 32, and the second gear 412 meshes with the planet gear 42. The steering wheel 31 and the worm 32 of the embodiment rotate at the same angular speed, the linear speed of the worm 32 is smaller than that of the steering wheel 31, so that the rotating speed when the worm 32 is meshed with the first gear 411 is initially reduced, and because the diameter of the second gear 412 is larger than that of the second gear 412, the rotating speed when the second gear 412 is meshed with the planet gear 42 is reduced again, so that the planet carrier 44 rotates at a lower rotating speed, and because the external teeth 51 of the transmission rod 5 are meshed with the gear ring with a larger diameter, the transmission rod 5 rotates around the gear ring at a lower rotating speed, so that the upper base 11, the pipe body 21 and the nozzle rotate at a lower rotating speed, and the spraying uniformity is ensured.

The number of the planet gears 42 is three, the planet carrier 44 comprises a fixed disk, three fixed shafts arranged on one side of the fixed disk and a connecting shaft arranged on the other side of the fixed disk, each fixed shaft is rotatably connected with one planet gear 42, and the connecting shaft is fixedly connected with the transmission rod 5. When the second gear 412 drives the planetary gears 42 to rotate, the planetary gears 42 rotate relative to the fixed shaft, and since the planetary gears 42 are also meshed with the fixed gear ring 43, and the fixed gear ring 43 is fixed on the pipe body 21, three planetary gears 42 drive the planetary carrier 44 to rotate, that is, each planetary gear 42 can drive the planetary carrier 44 to revolve while rotating around the corresponding fixed shaft.

As shown in fig. 8, a plurality of through holes 1210 are formed in the gear disc 121 along the circumferential direction of the gear disc, the lower end of the water inlet pipe 100 and the lower base 12 rotate and are hermetically connected through the second bearing 123 and a sealing member (not shown in the figure), the upper end of the water inlet pipe is in threaded connection with the upper base 11, the gear disc 121 is rotatably sleeved on the lower base 12, the lower base 12 is provided with the retractable connecting assembly 13, the connecting assembly 13 can extend into the through holes 1210, so that the gear disc 121 is fixed on the lower base 12, and the connecting assembly 13 can also be separated from the through holes 1210, so that the transmission rod 5 drives the gear disc 121 to rotate.

Specifically, as shown in fig. 7, the connection assembly 13 includes a connection pin 131, a spring 132 and a pressing plate 133, the lower base 12 is provided with a connection hole 120, the connection pin 131 is disposed through the connection hole 120, the spring 132 is disposed at a bottom end of the connection pin 131, one end of the spring 132 is connected to the pressing plate 133, the other end is connected to the lower base 12, the pressing plate 133 is fixed at a lower end of the connection pin 131, in a natural state, an upper end of the connection pin 131 extends into the through hole 1210, so that the toothed disc 121 cannot rotate relative to the lower base 12, when the pressing plate 133 is pressed, the connection pin 131 moves downward along with the pressing plate 133, the spring 132 is in a stretched state at this time, an upper end of the connection pin 131 is separated from the through hole 1210, and the toothed disc 121 can rotate relative to the lower base 12.

Further, in a natural state, the connection assembly 13 positions the gear 121 on the lower base 12, and the lower base 12 is fixed on the flange by the fastener, that is, the gear 121 cannot rotate relative to the lower base 12, and when the transmission rod 5 rotates, since the external teeth 51 at one end of the transmission rod 5 are engaged with the gear 121 and the gear 121 itself cannot rotate, the transmission rod 5 drives the upper base 11 to rotate around the gear 121, so that the pipe body 21 and the nozzle rotate relative to the lower base 12. When pressing piece 133 is pressed, the upper end of connecting pin 131 is disengaged from through hole 1210, and at this time, toothed disc 121 can rotate relative to lower base 12, and upper base 11 does not rotate relative to lower base 12.

As shown in fig. 1 and 6, the angle-adjustable spray gun of the present embodiment further includes a suspension bracket 6 fixed on the tube body 21, a horizontal groove 60 is provided on the suspension bracket 6, the steering spray pipe 33 penetrates through the horizontal groove 60 and can swing left and right in the horizontal groove 60 in the horizontal direction, and the lower end of the suspension bracket 6 is fixedly connected to the fixed gear ring 43. That is, when the steering spray pipe 33 swings left and right, the horizontal groove 60 on the suspension bracket 6 plays a role of guiding, and ensures that the steering spray pipe 33 swings in the horizontal direction, so as to ensure that the water at the outlet of the steering spray pipe 33 can directly face the steering wheel 31, thereby changing the rotating direction of the steering wheel 31.

As shown in fig. 2, a protection cylinder 431 communicated with the fixed gear ring 43 is arranged on the fixed gear ring 43, the worm 32 extends into the protection cylinder 431 and is rotatably connected with the protection cylinder 431 through a first bearing 321, so that the rotation of the worm 32 in the protection cylinder 431 is smoother and more stable, the possibility of shaking during the rotation of the worm 32 is reduced, a framework oil seal (not shown in the figure) is arranged at the upper end of the protection cylinder 431 and is pressed into the protection cylinder 431, the framework oil seal has the characteristics of firm structure and good sealing performance, the framework oil seal can prevent lubricating oil in the protection cylinder 431 from flowing outwards and prevent external dust or water from entering the protection cylinder 431, the worm 32 is protected, the environment in the speed reducing assembly is not damaged, and the service life of the spray gun is prolonged.

Specifically, the upper end and the lower end of the worm 32 are respectively and rotatably connected with the protection cylinder 431 through a first bearing 321, the upper end of the first bearing 321 positioned at the upper end of the protection cylinder 431 is provided with a framework oil seal, and the lower end of the first bearing 321 positioned at the lower end of the protection cylinder 431 is also provided with a framework oil seal.

Specifically, as shown in fig. 2, the steering wheel 31 of the present embodiment includes a steering wheel body 311 and a plurality of blades 312, each blade 312 is located below the steering wheel body 311 and perpendicular to the steering wheel body 311, the blades 312 are distributed along the radial direction of the steering wheel body 311, and the outlet of the steering spray pipe 33 can be opposite to the blade 312. When the water outlet end of the steering spray pipe 33 is located at the left end of the steering wheel body 311, the water flow sprayed by the steering spray pipe can push the fan blades 312 to drive the steering wheel body 311 to rotate clockwise, so that the upper base 11, the pipe body 21 and the nozzle rotate in a preset direction; when the water outlet end of the steering spray pipe 33 swings to the right end of the steering wheel body 311 along the horizontal direction, the water flow sprayed by the steering spray pipe can push the fan blades 312 to drive the steering wheel body 311 to rotate along the counterclockwise direction, so that the upper base 11, the pipe body 21 and the nozzle rotate along the direction opposite to the preset direction.

As shown in fig. 2, the angle-adjustable spray gun of this embodiment further includes a reversing assembly, the upper base 11 is fixedly provided with a sleeve 111, the reversing assembly is in clearance fit with the sleeve 111, the reversing assembly can rotate relative to the sleeve 111, the reversing assembly is provided with a positioning groove 70, the steering spray pipe 33 is placed in the positioning groove 70, the lower base 12 is provided with a positioning ring 122 with at least two positioning protrusions 1221, the reversing assembly can be abutted against one of the two adjacent positioning protrusions 1221 at a time to change the moving direction of the steering spray pipe 33 in the horizontal groove 60, so as to change the rotating direction of the worm 32 driven by the water sprayed from the steering spray pipe 33 and driven by the steering wheel 31. The range angle of the horizontal swing of the angularly adjustable spray gun can be changed by changing the positions of the two adjacent positioning projections 1221 on the positioning ring 122.

Specifically, as shown in fig. 2, the reversing assembly of the present embodiment includes a reversing lever 71, a steering shaft 72, the steering mechanism comprises a steering support 73 and a connecting rod assembly 74, one end of a reversing rod 71 is located on the periphery of the upper base 11 and can be abutted against a positioning protrusion 1221, a steering shaft 72 is in clearance fit with the sleeve 111, one end of the steering shaft 72 is fixedly connected with the reversing rod 71, the steering shaft 72 is perpendicular to a steering spray pipe 33, one end of the steering support 73 is rotatably connected with the other end of the steering shaft 72, a positioning groove 70 is arranged at the other end of the steering support 73, a hollow cavity is arranged on the steering support 73, the connecting rod assembly 74 is arranged in the hollow cavity and comprises a first connecting rod 741 and a second connecting rod 742, one end of the first connecting rod 741 is movably connected with the steering support 73 through a pin shaft, the other end of the first connecting rod 741 is rotatably connected with one end of the second connecting rod 742, and the other end of the second connecting rod 742 is fixedly connected with the steering shaft 72.

Further, as shown in fig. 2, the positioning groove 70 of the present embodiment is a U-shaped groove, the steering spray pipe 33 is placed in the U-shaped groove, when the reversing rod 71 abuts against one positioning protrusion 1221, the steering bracket 73 can drive the steering spray pipe 33 to change the swing direction in the horizontal plane, so that the rotation direction of the steering wheel 31 is changed, and finally the rotation direction of the upper base 11, the pipe body 21 and the nozzle is changed until the reversing rod 71 abuts against another positioning protrusion 1221 on the positioning ring 122, and the direction of the water outlet end of the steering spray pipe 33 driven by the steering bracket 73 is changed again, so that the rotation direction of the steering wheel 31 is changed again. With the rotation of the upper base 11 and the sleeve 111, the steering bracket 73 periodically drives the steering spray pipe 33 to swing left and right, and the steering spray pipe 33 periodically drives the steering wheel 31 to rotate clockwise or counterclockwise, so that the spraying direction of the water flow in the pipe body 21 and the nozzle is periodically changed, and the effect of periodically changing the spraying direction of the water flow is achieved.

The adjustable-angle spray gun of this embodiment can be periodically swung at a uniform speed at a slower rotating speed along the horizontal direction, nozzle body 23 can upwards or downwards rotate to a suitable angle relative to pipe body 21, the position of the angle of suitable nozzle body 23 can be adjusted to second water smashing rod 82, the water smashing component can play the effect of periodically smashing water to the water flow sprayed by the nozzle, the water flow sprayed in the nozzle and the steering spray rod is more uniform, the reversing component can quickly reverse the steering spray pipe 33, and the change of the range angle of the horizontal swinging of the adjustable-angle spray gun can be realized by changing the positions of two adjacent positioning protrusions 1221 on the positioning ring 122.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An angularly adjustable spray gun, comprising:

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

a pipe body (21) fixed to the upper base (11) and communicating with the communication chamber;

the nozzle comprises a base (22), a nozzle body (23) and a fixing sleeve (24), wherein the base (22) is fixedly arranged on the pipe body (21), the nozzle body (23) can rotate upwards or downwards relative to the base (22), and the fixing sleeve (24) is detachably fixed on the base (22) and can enable the nozzle body (23) and the base (22) to be hermetically and fixedly connected;

the horizontal driving assembly comprises a steering wheel (31), a worm (32) arranged on the steering wheel (31), a steering water spray pipe (33) communicated with the communicating cavity and a speed reducing assembly in transmission connection with the worm (32), wherein the inlet end of the steering water spray pipe (33) is movably connected with the upper base (11) and communicated with the upper base and the lower base, the outlet end of the steering water spray pipe (33) is arranged towards the steering wheel (31), water sprayed by the steering water spray pipe (33) can drive the steering wheel (31) to rotate in a clockwise or counterclockwise direction, and the steering wheel (31) can drive the input end of the speed reducing assembly to rotate through the worm (32);

the one end of transfer line (5) is fixed the output of speed reduction subassembly, the other end of transfer line (5) passes go up base (11) and be equipped with on it with fluted disc (121) meshed external tooth (51), speed reduction subassembly can drive transfer line (5) rotate just transfer line (5) can wind fluted disc (121) rotate, make go up base (11) drive body (21) with the nozzle is for base (12) rotates along the horizontal direction down.

2. The angle-adjustable spray gun according to claim 1, wherein a hemispherical groove (2202) is formed in the base (22), a guide protrusion (221) is formed in the inner wall of the hemispherical groove (2202), a positioning ball (232) capable of being matched with the hemispherical groove (2202) is arranged at one end of the nozzle body (23), a guide groove (23201) matched with the guide protrusion (221) is formed in the outer wall of the positioning ball (232), the positioning ball (232) can rotate in the hemispherical groove (2202) under the action of external force and can be positioned at any position when the external force is removed, and the positioning ball (232) can rotate upwards or downwards relative to the base (22) in the hemispherical groove (2202).

3. The angularly adjustable spray gun of claim 2, characterized in that the upper end of said positioning ball (232) is provided with an angle scale (23203), and the intersection point of said base (22) and said angle scale (23203) represents the angle value of the nozzle body (23) with the horizontal plane.

4. The angularly adjustable spray gun of claim 2, wherein the number of said guide slots (23201) is two, two of said guide slots (23201) are respectively located at left and right ends of said positioning ball (232), and each of said guide slots (23201) includes:

a first wall surface (232011) that is perpendicular to the axis of the nozzle body (23) and is spaced apart from the guide projection (221);

a second wall surface (232012) perpendicular to the first wall surface (232011) and parallel to the axis of the nozzle body (23), the second wall surface (232012) abutting against the guide projection (221) with a frictional force therebetween;

third wall (232013) and fourth wall (232014), are located respectively the both sides of first wall (232011), third wall (232013) with fourth wall (232014) all with second wall (232012) are perpendicular, third wall (232013) are located the below of first wall (232011) and can with direction arch (221) laminating is with spacing nozzle body (23) downwardly rotating, fourth wall (232014) are located the top of first wall (232011) and can with direction arch (221) laminating is with spacing nozzle body (23) upward rotating.

5. The spray gun with the adjustable angle is characterized by further comprising a water crushing assembly, wherein the water crushing assembly comprises a first water crushing rod (81), a second water crushing rod (82) and a contact block (83), the first water crushing rod (81) is parallel to the pipe body (21) and is fixedly connected with the contact block (83), the water crushing assembly can rotate by taking the central axis of the first water crushing rod (81) as a rotating shaft, the second water crushing rod (82) can rotate upwards or downwards relative to the first water crushing rod (81), the front end of the second water crushing rod (82) is bent towards the direction of the nozzle, an eccentric wheel (52) is arranged on the transmission rod (5), and when the eccentric wheel (52) rotates along with the transmission rod (5), the eccentric wheel can jack up the contact block (83) and drive the first water crushing rod (81) and the second water crushing rod (82) to rotate, the first water crushing rod (81) and the second water crushing rod (82) can also reset when the eccentric wheel (52) is separated from the contact block (83).

6. The spray gun with the adjustable angle of claim 5, characterized in that the water crushing assembly further comprises a torsion spring (84) sleeved on the first water crushing rod (81), one end of the torsion spring (84) is connected with the upper base (11), the other end of the torsion spring (84) is abutted to the first water crushing rod (81) or the contact block (83), and the torsion spring (84) can reset the first water crushing rod (81) and the second water crushing rod (82) when the contact block (83) is separated from the eccentric wheel (52).

7. The adjustable spray gun according to claim 1, further comprising a reversing assembly, wherein a sleeve (111) is fixedly arranged on the upper base (11), the reversing assembly is in clearance fit with the sleeve (111), a positioning groove (70) is arranged on the reversing assembly, the steering spray pipe (33) is placed in the positioning groove (70), a positioning ring (122) with at least two positioning protrusions (1221) is arranged on the lower base (12), and the reversing assembly can abut against one of the two adjacent positioning protrusions (1221) at a time to change the moving direction of the steering spray pipe (33), so that the rotating direction of the steering wheel (31) driven by water sprayed from the steering spray pipe (33) to drive the worm (32) is changed.

8. The angularly adjustable spray gun of claim 7, wherein said reversing assembly comprises:

the reversing rod (71), one end of the reversing rod (71) is located on the periphery of the upper base (11) and can be abutted to the positioning bulge (1221);

the steering shaft (72) is in clearance fit with the sleeve (111), one end of the steering shaft (72) is fixedly connected with the reversing rod (71), and the steering shaft (72) is perpendicular to the steering spray pipe (33);

one end of the steering support (73) is rotatably connected with the other end of the steering shaft (72), the other end of the steering support (73) is provided with the positioning groove (70), and the steering support (73) is provided with a hollow cavity;

and the connecting rod assembly (74) is arranged in the hollow cavity and comprises a first connecting rod (741) and a second connecting rod (742), one end of the first connecting rod (741) is movably connected with the steering bracket (73) through a pin shaft, the other end of the first connecting rod (741) is rotatably connected with one end of the second connecting rod (742), and the other end of the second connecting rod (742) is fixedly connected with the steering shaft (72).

9. The spray gun with the adjustable angle according to claim 1, wherein a plurality of through holes (1210) are formed in the fluted disc (121) and arranged along the circumferential direction of the fluted disc, the lower end of the water inlet pipe (100) is connected with the lower base (12) in a rotating and sealing manner, the upper end of the water inlet pipe is fixedly connected with the upper base (11), the fluted disc (121) is rotatably sleeved on the lower base (12), a telescopic connecting assembly (13) is formed in the lower base (12), the connecting assembly (13) can extend into the through holes (1210), so that the fluted disc (121) is fixed on the lower base (12), and the connecting assembly (13) can also be separated from the through holes (1210), so that the drive rod (5) drives the fluted disc (121) to rotate.

10. The angularly adjustable spray gun of claim 1, characterized in that said speed reduction assembly comprises a gear set (41), a planetary gear (42), a fixed ring gear (43) and a planet carrier (44), said fixed ring gear (43) is fixed on said tube (21), said gear set (41) is respectively engaged with said planetary gear (42) and said worm (32), said planetary gear (42) is engaged with said fixed ring gear (43) and said planet carrier (44) is fixedly provided with said transmission rod (5), said worm (32) can drive said planet carrier (44) to drive said transmission rod (5) to rotate sequentially through said gear set (41) and said planetary gear (42).