CN218222948U - Nozzle assembly - Google Patents

Abstract

The utility model relates to a high pressure cleaning shower nozzle technical field especially relates to nozzle assembly, including input joint, output joint and rotation axis, input joint and output joint run through the rotation axis and link to each other so that the two forms the pin joint, the inside intercommunicating pore of having seted up of axis of rotation to when being used for output joint and output joint to pass through the rotation axis pin joint, with the inside of input joint and output joint's inside intercommunication, solved current shower nozzle assembly and influenced the problem that rivers stabilized output when using.

Description

Nozzle assembly

[ technical field ] A method for producing a semiconductor device

The utility model relates to a high pressure cleaning shower nozzle technical field especially relates to nozzle assembly.

[ background of the invention ]

High pressure cleaner is becoming popular day by day, and more nozzles are used and are accomplished different cleaning tasks on the machine, but the rifle bar direction of cleaning machine and the injection direction of nozzle are unanimous or form a fixed angle, and the injection direction of nozzle can not change, can not satisfy the demand of multiple operating mode, and application number is among the prior art: 202010787108.5, name: the Chinese patent application of 'a nozzle for high-pressure washer of injection angle adjustable' discloses the utilization and installs the nozzle suit in right angle adapter one end, then utilize the pull rod to run through behind the nozzle utilize the dog butt of its tip on the intraoral blend stop of right angle adapter water inlet, and then rotate right angle adapter and nozzle and connect, it has the shortcoming to lie in, when rivers enter into the nozzle through right angle adapter and export, rivers can receive the blend stop, the hindrance of dog and pull rod, influence rivers and stabilize out water, simultaneously because rivers flow in the nozzle through the clearance between pull rod and the nozzle, rivers when the flow through right angle adapter, can produce with the contact friction between pull rod surface and the right angle adapter inner wall, and then increased rivers flow resistance, influence the stable output of rivers.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model discloses the technical problem that solve lies in overcoming the not enough and proposing nozzle assembly of prior art, has solved current nozzle assembly and has influenced the problem that rivers stabilize output when using.

In order to solve the technical problem, the utility model adopts the following technical scheme: the nozzle assembly comprises an input connector, an output connector and a rotating shaft, wherein the input connector and the output connector are connected in a penetrating mode through the rotating shaft to enable the input connector and the output connector to form pin joint, and a communicating hole is formed in the rotating shaft to communicate the inside of the input connector with the inside of the output connector when the output connector and the output connector are connected in a pin joint mode through the rotating shaft.

In the nozzle assembly, either one of the input connector and the output connector penetrates through the accommodating cavity for accommodating the rotating shaft, the other one of the input connector and the output connector is provided with the matching cavity, and one end of the rotating shaft penetrates through the accommodating cavity and then is detachably fixed in the matching cavity, so that the input connector and the output connector can horizontally rotate through the rotating shaft.

In the nozzle assembly, one end of the rotating shaft is provided with a locking part which is detachably connected with the accommodating cavity, and the other end of the rotating shaft is provided with a supporting part which is used for tightly abutting the input joint and the output joint.

In the above nozzle assembly, the output joint has a first guide hole, the input joint has a second guide hole, and when the input joint and the input joint are pivoted by the rotating shaft, the first guide hole, the communication hole and the second guide hole are communicated with each other.

In the above nozzle assembly, the communication hole includes a main flow hole provided in the axial direction of the rotation shaft and a side hole provided in the circumferential direction of the rotation shaft and communicating with the main flow hole, and either one of the input joint and the output joint communicates with the main flow hole and the other communicates with the side hole.

In the nozzle assembly, the input connector comprises a connecting seat connected with the rotating shaft and an input pipe with one end detachably connected onto the connecting seat, the connecting seat is provided with a confluence hole communicated with the communication hole and the input pipe, and the inner diameter of the confluence hole is smaller than that of the input pipe.

In the above nozzle assembly, a latch mechanism for fixing the input joint and the output joint to restrict relative rotation of the input joint and the output joint around the rotation axis is provided between the input joint and the output joint.

In the above nozzle assembly, the mortise lock mechanism includes the movable pin and sets up and form the spacing hole of grafting complex with the movable pin along movable pin activity direction, the input joint with any activity of output joint is run through have the movable pin, another is equipped with spacing hole, the movable pin is along its axial displacement in order to form the cooperation of grafting with spacing hole, and then the restriction input joint and output joint pass through the rotation axis and rotate relatively.

In the nozzle assembly, a movable cavity penetrates through the output connector, the movable pin movably penetrates through the movable cavity and can extend out of the movable cavity to be spliced with the limiting holes, and the limiting holes are annularly formed in the surface of the input connector by taking the rotating shaft as a central point.

In the nozzle assembly, an elastic part for maintaining the splicing relationship between the movable pin and the limiting hole is arranged in the movable cavity, and a pull ring for driving the movable pin to move in the movable cavity so as to remove the splicing relationship between the movable pin and the limiting hole is arranged at the upper end of the movable pin.

The utility model has the advantages that:

the utility model discloses in, an input that is used for intaking connects and is used for being connected the output of nozzle and wears to establish the back through the rotation axis between connecting and form the pin joint, and set up the intercommunicating pore inside the rotation axis that is used for the two pin joint, and then when realizing that input joint and output connect rotate to be connected, utilize switching on of intercommunicating pore with input joint and output joint, the product structure has been optimized, make rivers reduce the hindrance of corresponding part to rivers in the output joint when entering into output joint output through input joint, make things convenient for rivers to enter into output joint through input joint smoothly, guarantee the stable output of nozzle assembly's liquid stream.

The utility model discloses in, be used for the input to connect and the intercommunication of output joint through having seted up the intercommunicating pore in the rotation axis, rivers when nozzle assembly flows through, only with the contact of the intercommunicating pore inner wall in the input joint, reduce the contact friction surface of rivers and relevant part, and then be convenient for the smooth outflow of rivers, the flow of rivers can not collide with the pull rod simultaneously, other parts of nozzles such as dog bump, it is more smooth and easy when exporting through nozzle assembly to make rivers, utilize the existence of intercommunicating pore simultaneously, also can cushion the rivers of input joint input and collect, play the purpose of stationary flow, it is more even stable to make rivers pass through output joint output back rivers.

According to the further scheme, any one of the input connector and the output connector penetrates through the accommodating cavity for accommodating the rotating shaft, the other one of the input connector and the output connector is provided with a matching cavity, and one end of the rotating shaft penetrates through the accommodating cavity and then is detachably fixed in the matching cavity, so that the input connector and the output connector can horizontally rotate through the rotating shaft. The holding chamber is convenient for the holding rotation axis, so that the input that sets up the holding chamber connects or output connects can rotate around the rotation axis relatively, rotation axis one end is removable fixes at the cooperation intracavity, be convenient for utilize rotation axis one end and cooperation chamber separation, and then can be with the rotation axis from the separation of holding intracavity, and then accomplish the dismantlement separation between input joint and the output joint fast, when relevant parts of being convenient for take place to damage, in time change corresponding part, improve the recovery utilization of part, reduce and maintain use cost.

In a further scheme, one end of the rotating shaft is provided with a locking part which is detachably connected with the accommodating cavity, and the other end of the rotating shaft is provided with a supporting part which is used for tightly abutting the input joint and the output joint. The locking part is convenient for with cooperation chamber detachable connection, and the supporting part is convenient for after locking of locking part and cooperation chamber, utilizes the supporting part to support input joint and output joint tightly, and then places the two and follow the axial separation of rotation axis, makes the motion of the two only be limited to the rotation of horizontal direction.

In a further scheme, the output connector is provided with a first flow guide hole, the input connector is provided with a second flow guide hole, and when the input connector and the input connector are pivoted through the rotating shaft, the first flow guide hole, the communication hole and the second flow guide hole are communicated. So that the water flow can stably pass through the nozzle assembly and be output.

According to a further scheme, the input connector comprises a connecting seat connected with the rotating shaft and an input pipe with one end detachably connected onto the connecting seat, a confluence hole communicated with the communication hole and the input pipe is formed in the connecting seat, and the inner diameter of the confluence hole is smaller than that of the input pipe. The arrangement of the flow converging hole facilitates the water flow input into the communicating hole by the input pipe to be converged, so that the flow converging and stabilizing effect is achieved, the liquid flow flowing into the communicating hole is relatively stable, and the secondary buffering and flow stabilizing effect can be conveniently carried out on the water flow by the subsequent communicating hole.

In a further scheme, a latch mechanism for fixing the input joint and the output joint to limit the relative rotation of the input joint and the output joint by taking the rotating shaft as a rotating center is arranged between the input joint and the output joint. The arrangement of the mortise lock mechanism is convenient for locking the input connector and the output connector relatively, and the input connector and the output connector are prevented from rotating relatively around the rotating shaft.

Further scheme, mortise lock mechanism includes the removable pin and sets up and form the spacing hole of grafting complex with the removable pin along removable pin activity direction, the input connect with any activity of output joint is run through have the removable pin, another is equipped with spacing hole, the removable pin forms the cooperation of pegging graft in order to form with spacing hole along its axial displacement, and then restricts input joint and output joint pass through the rotation axis relative rotation. When the activity of activity round pin runs through on output joint or input joint, make the activity round pin and output joint or input joint between indirect formation a whole, need not to set up other direction limit structure on output joint surface or input joint surface and just can realize the guide positioning of activity round pin, make things convenient for the activity round pin and output joint or input joint between the combination, and spacing hole corresponds the setting on the direction of motion of activity round pin, utilize the activity round pin to insert spacing downthehole, alright with input joint and output joint support relatively fixed, it is more simple and convenient to operate.

According to a further scheme, a movable cavity penetrates through the output connector, the movable pin movably penetrates through the movable cavity and can extend out of the movable cavity to be connected with the limiting holes in an inserting mode, and the limiting holes are annularly formed in the surface of the input connector by taking the rotating shaft as a central point. The setting that the activity chamber can, be convenient for accomodate the activity round pin and need not to use other to activity round pin guide structure, wear to establish the activity intracavity with the activity round pin activity simultaneously, also be convenient for pull out the activity round pin from the activity hole, so that to the activity round pin dismouting, a plurality of spacing holes use the rotation axis to establish on the input joint as the rotation center point ring, then when rotating arbitrary angle between for input joint and the output joint, utilize the activity round pin to insert and establish in corresponding spacing downthehole, and then put the angle to output joint and input joint and fix, conveniently adjust at will and set up the angle between input joint and the output joint.

In a further scheme, an elastic part for maintaining the splicing relation between the movable pin and the limiting hole is arranged in the movable cavity, and a pull ring for driving the movable pin to move in the movable cavity so as to remove the splicing relation between the movable pin and the limiting hole is arranged at the upper end of the movable pin. The elastic piece is arranged, so that the movable pin and the movable cavity are fixed elastically, the movable pin is prevented from being separated from the movable pin, the movable pin and the limiting hole can be kept locked, and the pull ring removes the splicing state between the movable pin and the limiting hole when the angle between the input connector and the output connector is changed, so that the angle between the output connector and the input connector can be adjusted.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention is further described with reference to the accompanying drawings:

FIG. 1 is a sectional view of the structure of the embodiment of the present invention;

FIG. 2 is a cross-sectional view of the embodiment of the present invention (the rotary shaft is not shown);

fig. 3 is an enlarged view of the structure at a in fig. 1 according to the embodiment of the present invention;

fig. 4 is a top view of fig. 1 in an embodiment of the present invention.

Reference numerals:

100 output joints, 101 input joints, 110 movable cavities, 120 second guide holes, 121 first guide holes and 130 matching cavities;

200 rotation axis, 201 locking part, 202 supporting part, 210 communication hole, 211 main flow hole, 212 side hole, 220 sealing ring;

300 connecting seat, 310 limiting hole, 320 converging hole, 321 mounting hole and 330 accommodating cavity;

400 input tube, 401 input hole;

500 movable pins, 510 inserted pins, 511 spacing rings, 520 pull rings and 530 elastic parts.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like 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 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", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 (arrows in the figure indicate water flow direction), the embodiment of the present invention provides a nozzle assembly, the nozzle assembly is connected to a high pressure cleaner through a connecting pipe, the high pressure cleaner delivers water flow to the nozzle assembly through the connecting pipe for output, the nozzle assembly generally includes an input connector 101, an output connector 100 and a rotating shaft 200, a communication hole 210 is provided inside the rotating shaft 200, the communication hole 210 is provided along an axial center of the rotating shaft 200, one end of the input connector 101 is communicated with the connecting pipe, the other end is connected to one end of the output connector 100 through the rotating shaft 200, so that the input connector 101 and the output connector 100 form a pivot joint by using the rotating shaft 200 as a rotating center, the other end of the output connector 100 is connected to a nozzle head, a first diversion hole 121 is provided inside the input connector 101 along an axial direction thereof, a second diversion hole 120 is provided inside the output connector 100, water flow output by the high pressure cleaner sequentially passes through the first diversion hole 121, the communication hole 210 and the second diversion hole 120, and then is output through a nozzle at one end of the output connector 100.

In this embodiment, the input joint 101 and the output joint 100 are pivoted through the rotating shaft 200, and the communicating hole 210 is formed in the rotating shaft 200 for pivoting the input joint 101 and the output joint 100, so that the input joint 101 and the output joint 100 are rotatably connected, and meanwhile, the communicating hole 210 is used for conducting the input joint 101 and the output joint 100, thereby optimizing the product structure, reducing the obstruction of relevant parts to water flow when water flow enters the output joint 100 through the input joint 101 for output, facilitating the water flow to smoothly enter the output joint 100 through the input joint 101, and ensuring the stable output of the liquid flow of the nozzle assembly.

Through having the intercommunication hole 210 in rotation axis 200 and being used for the intercommunication of input joint 101 and output joint 100, rivers when the nozzle assembly flows through, only with the intercommunication hole 210 inner wall contact in the input joint 101, reduce the contact friction surface of rivers and relevant part, and then be convenient for rivers flow out fast, the flow of rivers can not collide with other parts of nozzles such as pull rod, dog simultaneously, it is more smooth and easy when exporting through the nozzle assembly to make rivers, utilize the existence of intercommunication hole 210 simultaneously, also can cushion the rivers that input joint 101 input and collect, play the purpose of stationary flow, it is more even stable to make rivers export back through output joint 100.

In this embodiment, referring to fig. 2, the input connector 101 includes a connecting seat 300 rotatably connected to the rotating shaft 200 and an input pipe 400 installed at one end of the connecting seat 300, an input hole 401 is formed in the input pipe 400, a converging hole 320 communicated with the input hole 401 is formed in the connecting seat 300, the converging hole 320 and the input hole 401 form the first diversion hole 121, an accommodating cavity 330 is vertically formed in the connecting seat 300, a matching cavity 130 is formed at the bottom of the output connector 100, the matching cavity 130 is communicated with the second diversion hole 120, one end of the rotating shaft 200 passes through the accommodating cavity 330 and is connected in the matching cavity 130, at this time, the upper end of the communicating hole 210 is communicated with the second diversion hole 120 or the upper end of the communicating hole 210 is communicated with the second diversion hole 120 through the matching cavity 130, the lower end of the communicating hole 210 circulates through the converging hole 320, a water flow in the high pressure cleaning machine sequentially passes through the input hole 401, the converging hole 320, the communicating hole 210 and the matching cavity 130, enters the second diversion hole 120, and is output through a nozzle head at the end of the second diversion hole 120.

In this embodiment, a mounting hole 321 is formed in one end of the connecting seat 300 close to the input tube 400, and one end of the input tube 400 is mounted in the mounting hole 321 in a screwing manner, so that the connection with the connecting seat 300 is easy to detach, and the corresponding component is convenient to maintain and replace when damaged.

Preferably, the diameter of the converging hole 320 is smaller than the inner diameter of the input port, so that the water flow input into the communication hole 210 in the input hole 401 is converged by the converging hole 320, and the converging and stabilizing effect is achieved, so that the liquid flow flowing into the communication hole 210 is relatively stable, and the secondary buffer and flow stabilization of the water flow is facilitated by the subsequent communication hole 210.

In this embodiment, the input joint 101 and the output joint 100 are straight pipes, the input joint 101 is located at the lower end of the output joint 100 and arranged in parallel, and the rotating shaft 200 vertically penetrates through the input joint 101 and forms a detachable connection with the inside of the output joint 100, so that the input joint 101 and the output joint 100 can rotate relatively through the rotating shaft 200, and the setting angle of the input joint 101 and the setting angle of the output joint 100 can be changed.

Preferably, referring to fig. 1 and 2, when the input joint 101 and the output joint 100 are disposed in parallel, and the rotating shaft 200 is connected to the output joint 100 while penetrating the input joint 101 in a vertical direction, in order to maintain communication between the first pilot hole 121 and the communication hole 210, the communication hole 210 includes a main flow hole 211 disposed along an axial direction of the rotating shaft 200 and a side hole 212 disposed along a circumferential direction of the rotating shaft 200 and communicating with the main flow hole 211, the side hole 212 maintains communication with the confluence hole 320 of the first pilot hole 121, and the first pilot hole 121 communicates with the main flow hole 211 through the side hole 121.

In this embodiment, the upper end of the rotating shaft 200 has a locking portion 201 connected to the mating cavity 130, the lower end of the rotating shaft 200 is provided with a supporting portion 202, the supporting portion 202 is a raised ring that is arranged at the lower end of the rotating shaft 200 and turned outwards, after the rotating shaft 200 penetrates through the accommodating cavity 330 and is fixed by the locking portion 201 and the mating cavity 130 in a mating manner, the raised ring abuts against the lower end of the connecting seat 300, and further the input connector 101 is limited to move and separate from the output connector 100 along the axial direction of the rotating shaft 200, so that the moving direction between the input connector 101 and the output connector 100 is limited to the horizontal direction and does not generate vertical displacement, and the installation stability between the input connector 101 and the output connector 100 is effectively improved.

The locking portion 201 may be a bearing sleeved on the upper end of the rotating shaft 200, the upper end of the rotating shaft 200 is fixed in the matching cavity 130 through the bearing, so that the output connector 100 can rotate around the rotating shaft 200 through the bearing to change the arrangement angle of the output connector 100 and the input connector 101, and certainly, a movable member such as a bearing may be disposed between the rotating shaft 200 and the receiving cavity 330 to facilitate the rotation of the input connector 101 relative to the rotating shaft 200 and reduce the rotation friction force of the input connector 101 and the rotating shaft 200.

It is conceivable that, in order to improve the connection sealing performance between the rotary shaft 200 and the connection holder 300 and the output joint 100, a sealing ring 220 may be provided outside the rotary shaft 200 to improve the sealing performance when the rotary shaft 200 rotates with the inner walls of the receiving chamber 330 and the coupling chamber 130.

It is needless to say that one or a plurality of the sealing rings 220 may be provided, and it is preferable that three sealing rings 220 are provided, and the three sealing rings 220 are sequentially arranged on the rotary shaft 200 along the axial direction of the rotary shaft 200, so that the sealing performance between the rotary shaft 200 and the fitting chamber 130 is improved when the rotary shaft 200 rotates relative to the input joint 101 and the output joint 100, and the three sealing rings 220 are most appropriately provided, thereby not only ensuring the connection sealing performance between the rotary shaft 200 and the fitting chamber 130, but also avoiding the problem that the rotational resistance of the input joint 101 and the output joint 101 is too large due to the excessive installation of the sealing rings 220.

In this embodiment, in order to improve the sealing performance when the rotary shaft 200 rotates with the accommodation chamber 330 and the inner wall of the engagement chamber, a plurality of seal rings 220 may be provided, and the seal rings may be sequentially arranged between the rotary shaft 200 and the accommodation chamber 330 at intervals along the axial direction of the rotary shaft 200.

In order to facilitate the quick assembly and disassembly combination of the input connector 101 and the output connector 100, the locking part 201 is detachably fixed to the matching cavity 130, the locking part 201 at the upper end of the rotating shaft 200 is detachably connected with the matching cavity 130, then the rotating shaft 200 can be separated from the accommodating cavity 330 and the matching cavity 130, and further the rotating shaft 200 can be detached from the input connector 101 and the output connector 100, so that the purpose of detaching the input connector 101 and the output connector 100 is achieved, and when the corresponding parts of the nozzle assembly are damaged or blocked, the disassembly and maintenance of products are facilitated.

Specifically, the locking portion 201 may be an external thread formed on the upper end of the rotating shaft 200, and the mating cavity 130 is a screw hole formed at the bottom of the input connector 101, and both the rotating shaft 200 and the receiving cavity 330 are screwed into the mating cavity 130 to achieve a detachable connection therebetween, and the input connector 101 rotates around the rotating shaft 200 to change a setting angle with the output connector 100.

The matching cavity 130 can also be a through hole with a smooth inner wall, the upper end of the rotating shaft 200 is tightly matched with the inner wall of the matching cavity 130, then the locking part 201 can be a limit nail, through holes are formed in the output connector 100 and the rotating shaft 200 in the radial direction, the limit nail sequentially penetrates through the through holes of the output connector 100 and the input connector 101, the upper end of the rotating shaft 200 and the matching cavity 130 of the output connector 100 are relatively fixed, then the input connector 101 is rotated around the rotating shaft 200 to change the setting angle of the output connector 100, of course, the detachable connection mode between the input connector 101 and the output connector 100 can be other modes, and the mode is not listed one by one.

In the above embodiment, the receiving cavity 330 is a through hole penetrating through the connecting seat 300 in the input connector 101, the matching cavity 130 is an opening formed in the output connector 100 and communicating with the second guiding hole 120, the rotating shaft 200 is installed in the matching cavity 130 after penetrating through the receiving cavity 330, or the receiving cavity 330 may be formed in the output connector 100, and the matching cavity 130 is formed in the input connector 101, so that the rotating shaft 200 is connected to the input connector 101 after penetrating through the output connector 100 from the upper end thereof, which can also achieve the above-mentioned effects.

In this embodiment, in order to fix the input joint 101 and the output joint 100 to prevent them from rotating around the rotating shaft 200, and further achieve the purpose of adjusting the setting angles of the input joint 101 and the output joint 100 to adjust the water jet angle output by the output joint 100, a latch mechanism for limiting the horizontal rotation of the input joint 101 and the output joint 100 is provided between them.

Referring to fig. 3, the latch mechanism includes a movable pin 500, a movable cavity 110 vertically penetrates through an end of the output joint 100 away from the nozzle, a portion of the movable pin 500 penetrates through the movable cavity 110 and can relatively move in an axial direction of the movable cavity 110 to extend out of the output joint 100, a plurality of limiting holes 310 are annularly formed below a moving direction of the movable pin 500 on the connecting seat 300 or the input pipe 400, when the input joint 101 and the output joint 100 need to be fixed by rotating the rotating shaft 200 by a certain angle, the movable pin 500 can extend out of the movable cavity 110 and then be inserted into the limiting holes 310, so that the input joint 101 and the output joint 100 are relatively locked, and the rotation of the input joint 101 and the output joint 100 through the rotating shaft 200 is avoided.

In this embodiment, referring to fig. 4, the plurality of limiting holes 310 are arranged on the connection base 300 or the input tube 400 at an arc-shaped interval with the rotation shaft 200 as the rotation center, and the connection base 300 is of a fan-shaped structure (when the limiting holes 310 are disposed on the input tube 400, a fan-shaped base can be additionally disposed at the upper end of the output tube, and the limiting holes 310 are disposed on the base), so that the movable pin 500 is always inserted into the corresponding limiting hole 310 when extending out from the movable cavity 110 no matter the rotation angle between the input connector 101 and the output connector 100 is arbitrary, so as to relatively fix the input connector 101 and the output connector 100.

In this embodiment, in order to avoid the movable pin 500 from being separated from the movable cavity 110 and improve the stability of the movable pin 500 being inserted into the limiting hole 310, the elastic member 530 is sleeved between the outside of the movable pin 500 and the inner wall of the movable cavity 110, the upper end of the elastic member 530 abuts against the upper end of the movable cavity 110 (the upper end of the movable cavity 110 has an annular boss, and the upper end of the elastic member 530 abuts against the annular boss), and the lower end of the elastic member 530 is connected to the movable pin 500, so that the elastic member 530 can keep the lower end of the movable pin 500 extending out of the movable cavity 110 and being inserted into the limiting hole 310 all the time, when the setting angles of the input connector 101 and the output connector 100 need to be adjusted, the movable pin 500 can be pulled to move upwards to further compress the elastic member 530 to store elastic potential energy, the movable pin 500 is separated from the limiting hole 310 after moving upwards to further adjust the setting angles of the input connector 101 and the output connector 100, and when the setting angles of the movable pin 500 need to be fixed, the pulling force of the movable pin 500 can drive the movable pin 500 to be inserted into the limiting hole 310 again under the elastic resetting effect of the limiting connector 101 and the output connector 100 again.

In this embodiment, the lower end of the movable pin 500 is sleeved with a limit ring 511, the lower end of the elastic element 530 abuts against the limit ring 511 to be connected with the movable pin 500, and the elastic element 530 may be a spring or another elastic component.

In this embodiment, a pull ring 520 may be disposed at the upper end of the movable pin 500, and the pull ring 520 is used to facilitate a user to drive the movable pin 500 to move relatively in the movable cavity 110, so as to separate the movable pin 500 from the limiting hole 310.

In this embodiment, the movable cavity 110 for accommodating the movable pin 500 penetrates through the input connector 101, the movable pin 500 is inserted into the limiting hole 310 after moving relatively in the movable cavity 110, the movable pin 500 can be guided and limited only by the movable cavity 110 without using other parts to limit and guide the movable pin 500, the movable pin 500 is integrated with the input connector 101 through the elastic member 530, the movable pin 500 does not need to be externally arranged, and additional parts for guiding and limiting the movable pin 500 are needed, so that the parts of the nozzle assembly are reduced, and the structure of the product is optimized.

In the above embodiment, the movable pin 500 is directly inserted into the limiting hole 310 to form a fit therewith, or a plug 510 may be disposed at the lower end of the movable pin 500, the diameter of the plug 510 is smaller than that of the movable pin 500, and the plug 510 and the limiting hole 310 form a plug fit therewith, so as to achieve the above effect.

Based on the above embodiment, the movable pin 500 is inserted into the output connector 100, and the limiting hole 310 is correspondingly disposed on the input connector 101, or the movable pin 500 is inserted into the input connector 101, and the limiting hole 310 is opened on the output connector 100.

Specifically, a vertical plate may be disposed at the upper end of the connection seat 300 of the output connector 100 or the upper end of the input pipe 400, a movable cavity 110 for accommodating the movable pin 500 is disposed in the horizontal direction of the vertical plate, the movable cavity 110 is disposed parallel to the input connector 101 and located at one end of the output connector, and the limiting hole 310 is correspondingly disposed at one end of the output connector 100 close to the vertical plate, when the movable pin 500 horizontally slides along the movable cavity 110 in the vertical plate to extend, the movable pin can be inserted into the limiting hole 310 at the end of the output connector 100, and thus the output connector 100 and the input connector 101 can be relatively inserted and locked.

In this embodiment, the cross section of the end of the output connector 100 has a fan-shaped structure, so that the plurality of limiting holes 310 are arranged at the end of the output connector 100 at intervals in an arc shape with the rotation shaft 200 as the rotation center, and further, when the output connector 100 and the input connector 101 rotate relatively, the fan-shaped structure at the end of the output connector 100 is utilized to satisfy that when the input connector 101 and the output connector 100 are at different setting angles, the horizontally arranged movable pins 500 can be inserted into the corresponding limiting holes 310 when extending out of the movable cavity 110.

While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention may be embodied without departing from the spirit and scope of the present invention as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. The nozzle assembly comprises an input joint, an output joint and a rotating shaft, and is characterized in that the input joint and the output joint are connected in a penetrating mode through the rotating shaft to form a pin joint, and a communication hole is formed in the rotating shaft and used for communicating the inside of the input joint with the inside of the output joint when the output joint and the output joint are connected in the pin joint through the rotating shaft.

2. The nozzle assembly of claim 1, wherein one of the input connector and the output connector has a receiving cavity for receiving the rotary shaft therethrough, and the other has a mating cavity, and one end of the rotary shaft is detachably fixed in the mating cavity after penetrating through the receiving cavity, so that the input connector and the output connector can horizontally rotate via the rotary shaft.

3. The nozzle assembly of claim 2, wherein the rotating shaft has a locking portion at one end for detachable connection with the receiving cavity and a supporting portion at the other end for abutting the input connector and the output connector.

4. The nozzle assembly of claim 1, wherein the input joint has a first guide hole, the output joint has a second guide hole, and the first guide hole, the communication hole, and the second guide hole are communicated when the input joint and the input joint are pivoted by the rotation shaft.

5. The nozzle assembly of claim 1, wherein the communication hole includes a main flow hole provided in an axial direction of the rotary shaft and a side hole provided in a circumferential direction of the rotary shaft and communicating with the main flow hole, and either one of the input and output fittings communicates with the main flow hole and the other communicates with the side hole.

6. The nozzle assembly of claim 1, wherein the input connector includes a connecting base connected to the rotary shaft and an input tube having one end detachably connected to the connecting base, the connecting base having a flow converging hole communicating the communication hole with the input tube, the flow converging hole having an inner diameter smaller than an inner diameter of the input tube.

7. The spray nozzle assembly of any one of claims 1-6, wherein a latch mechanism is disposed between the input connector and the output connector for securing the input connector and the output connector to restrict relative rotation of the input connector and the output connector about the axis of rotation.

8. The spray nozzle assembly of claim 7, wherein the latch mechanism comprises a movable pin and a limiting hole arranged along the moving direction of the movable pin and forming a plug-in fit with the movable pin, the movable pin penetrates through either the input connector or the output connector, the limiting hole is arranged in the other one of the input connector and the output connector, and the movable pin moves along the axial direction of the movable pin to form a plug-in fit with the limiting hole, so that the input connector and the output connector are limited from rotating relatively through the rotating shaft.

9. The nozzle assembly of claim 8, wherein the output connector has a movable cavity extending therethrough, the movable pin is movably disposed in the movable cavity and can extend out of the movable cavity to form an insertion connection with the limiting hole, and the limiting holes are annularly disposed on the surface of the input connector with the rotation axis as a center point.

10. The nozzle assembly of claim 9, wherein the movable chamber is provided with a resilient member for maintaining the movable pin in the engagement relationship with the retaining hole, and an upper end of the movable pin is provided with a pull ring for driving the movable pin to move in the movable chamber to release the engagement relationship between the movable pin and the retaining hole.

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