Multifunctional rotary spray head

Abstract

The utility model relates to a multifunctional rotary spray head which is applied to the field of cleaning machines and comprises a main frame, a shell is rotationally connected to the main frame through a connecting unit, a rotating seat is arranged on the shell, a plurality of mounting grooves are formed in the rotating seat, nozzles are arranged in the mounting grooves respectively, a gun barrel used for feeding liquid is arranged on the main frame, and the gun barrel, the main frame and the rotating seat are coaxially arranged. A liquid inlet hole communicated with the gun barrel is formed in the main frame, the end, away from the gun barrel, of the liquid inlet hole is communicated with one mounting groove, and a limiting unit used for limiting the position of the shell is arranged on the main frame. The multifunctional rotary spray head has the technical effects that the gun barrel, the main frame and the rotating seat are coaxially arranged, and the rotating center of the rotating seat is consistent with that of the gun barrel, namely the gun barrel is located at the center of the rotating seat, so that the eccentric condition cannot occur in the nozzle switching process, the operation of an operator is more convenient, and the switching efficiency and the liquid outlet efficiency of the multifunctional rotary spray head are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cleaning machines, in particular to a multifunctional rotary spray head. BACKGROUND

[0002] The handheld lithium battery cleaning machine is a convenient and efficient cleaning tool, and the spray head is an essential component of the cleaning machine, which can be used to control the shape, flow and lift of the water spray shot by the high-pressure gun.

[0003] The publication number CN205361707U discloses a universal cleaning machine spray head structure, which comprises a spray head seat, a rotating seat is arranged at the front end of the spray head seat, a plurality of nozzle holes are arranged on the rotating seat in the circumferential direction, a nozzle is arranged in each nozzle hole, an inlet cavity is arranged in the spray head seat, the front end of the inlet cavity is communicated with one of the nozzle holes, a pipe joint is arranged at the rear end of the spray head seat, the pipe joint is communicated with the rear end of the inlet cavity through an inlet hole, a sealing sleeve is arranged in the inlet cavity, a compression spring is arranged between the rear end of the sealing sleeve and the bottom of the inlet cavity, a sealing ring is arranged between the front end face of the sealing sleeve and the rotating seat, and a rear cover is further arranged on the outside of the rear end of the spray head seat and is threadedly connected with the rotating seat.

[0004] In the use process of the above-mentioned universal cleaning machine spray head structure, the pipe joint for liquid inlet is eccentrically arranged with the rotating seat, and the switching efficiency of the nozzle is low due to the inconvenient eccentric rotation operation of the user when switching the nozzle. SUMMARY

[0005] In order to help solve the problem that the pipe joint for liquid inlet is eccentrically arranged with the rotating seat in the use process of the cleaning machine spray head in the related art, the switching efficiency of the nozzle is low due to the inconvenient eccentric rotation operation of the user when switching the nozzle, the present application provides a multifunctional rotary spray head, which adopts the following technical scheme: a main frame is provided, a shell is rotatably connected to the main frame through a connecting unit, a rotating seat is arranged on the shell, a plurality of installation grooves are formed in the rotating seat, a plurality of nozzles are arranged in the installation grooves, a gun barrel for liquid inlet is arranged on the main frame, the gun barrel, the main frame and the rotating seat are coaxially arranged, an inlet hole is formed in the main frame and communicated with the gun barrel, one end of the inlet hole away from the gun barrel is communicated with one of the installation grooves, and a limiting unit for limiting the position of the shell is arranged on the main frame.

[0006] In a specific implementation scheme, the limiting unit comprises a plurality of clamping grooves formed in the inner edge of the shell, a placing groove is formed in the main frame, a limiting spring is arranged in the placing groove, one end of the limiting spring is provided with a ball, and the ball is partially inserted into one of the clamping grooves.

[0007] In an embodiment, the main frame is provided with a socket, and a U-shaped pin is inserted into the socket, and two limiting flats are oppositely formed on the outer edge of the barrel, and the two limiting flats are in contact with the inner edge of the U-shaped pin.

[0008] In an embodiment, a pushing groove is formed on the hole wall of the liquid inlet hole, the pushing groove is communicated with one of the mounting grooves, a retaining sleeve is arranged in the pushing groove, and a pushing spring is arranged in the retaining sleeve and abuts between the groove bottom of the pushing groove and the retaining sleeve.

[0009] In an embodiment, a first sealing groove is formed on the surface of the retaining sleeve facing the rotating seat, and a first sealing ring matched with the first sealing groove is arranged in the first sealing groove.

[0010] In an embodiment, a positioning block is arranged on the surface of the retaining sleeve facing the rotating seat, a plurality of positioning grooves matched with the positioning block are formed on the surface of the rotating seat facing the retaining sleeve, and the positioning block is inserted into one of the positioning grooves.

[0011] In an embodiment, the connecting unit comprises a connecting ring threadedly connected with the inner edge of the shell, and the connecting ring is sleeved on the outer edge of the main frame and rotationally connected with the main frame.

[0012] In an embodiment, the inner edge of the shell is provided with a plurality of convex edges, and the outer edge of the connecting ring is provided with a clamping block, and the clamping block is inserted between adjacent two convex edges.

[0013] In an embodiment, the connecting ring comprises a first half ring and a second half ring threadedly connected with the inner edge of the shell respectively, and the first half ring and the second half ring are connected by a connecting assembly to form the connecting ring.

[0014] In an embodiment, the connecting assembly comprises a connecting column arranged at each end of the first half ring respectively, the second half ring is provided with a connecting groove matched with the connecting column at each end facing the first half ring, and the connecting column is inserted into the connecting groove.

[0015] In summary, the application has the following beneficial technical effects: when in use, the cleaning liquid enters the liquid inlet hole from the barrel and is sprayed out by the nozzle. When it is necessary to switch the nozzles of different water types, the operator rotates the shell, the shell drives the rotating seat to rotate, and the switching of the nozzle communicated with the liquid inlet hole is realized. Since the barrel, the main frame and the rotating seat are coaxially arranged, the rotating center of the rotating seat and the barrel is consistent, that is, the barrel is located at the center position of the rotating seat, and eccentricity does not occur during the switching of the nozzle, the operator is more convenient to operate, and the switching efficiency and the liquid outlet efficiency of the multifunctional rotary nozzle are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application.

[0017] Figure 2 is a schematic diagram of the structure for embodying the limiting spring in the embodiment of the present application.

[0018] Figure 3 is a schematic diagram of the cross section for embodying the positioning block in the embodiment of the present application.

[0019] Reference signs: 1, main frame; 2, shell; 3, rotating seat; 4, mounting groove; 5, nozzle; 6, gun barrel; 7, liquid inlet hole; 8, clamping groove; 9, placing groove; 10, ball; 11, limiting spring; 12, insertion hole; 13, U-shaped pin; 14, limiting flat; 15, pushing groove; 16, pushing spring; 17, retaining sleeve; 18, first sealing ring; 19, positioning block; 20, positioning groove; 21, connecting ring; 22, convex rib; 23, clamping block; 24, first half ring; 25, second half ring; 26, connecting groove. DETAILED DESCRIPTION

[0020] The following will be described in detail with reference to the accompanying drawings. Figures 1-3 The present application will be further described in detail.

[0021] The embodiment of the present application discloses a multifunctional rotary spray head.

[0022] With reference to Figure 1 and Figure 2 , the multifunctional rotary spray head comprises a main frame 1, the main frame 1 is rotationally connected with a shell 2 through a connecting unit, the shell 2 is provided with a rotating seat 3, a plurality of mounting grooves 4 are formed in the rotating seat 3, and different types of nozzles 5 are respectively arranged in the mounting grooves 4. In the embodiment of the present application, the number of the mounting grooves 4 is five, the five mounting grooves 4 are arranged in a circumferential array along the rotating seat 3, and the number and type of the nozzles 5 can be adjusted according to actual use requirements of customers.

[0023] With reference to Figure 1 and Figure 2 , the main frame 1 is provided with a gun barrel 6 for liquid inlet, the liquid inlet end of the gun barrel 6 can be connected with a handheld cleaning machine, the gun barrel 6, the main frame 1 and the rotating seat 3 are coaxially arranged, that is, the gun barrel 6 is located at the center position of the rotating seat 3, and the rotating center of the rotating seat 3 is consistent with that of the gun barrel 6. The main frame 1 is provided with a liquid inlet hole 7 communicated with the gun barrel 6, one end of the liquid inlet hole 7 away from the gun barrel 6 is communicated with one of the mounting grooves 4, and the main frame 1 is provided with a limiting unit for limiting the position of the shell 2.

[0024] Therefore, in use, the cleaning liquid enters the liquid inlet hole 7 from the barrel 6 and is sprayed by the nozzle 5. When it is necessary to switch the nozzles 5 of different water types, the operator rotates the shell 2, the shell 2 drives the rotating seat 3 to rotate, so that the switching of the nozzle 5 in communication with the liquid inlet hole 7 is realized. Since the barrel 6, the main frame 1 and the rotating seat 3 are coaxially arranged, the rotating center of the rotating seat 3 is consistent with the barrel 6, that is, the barrel 6 is located at the center position of the rotating seat 3, and eccentricity does not occur during the switching of the nozzle 5. The operator is more convenient to operate, the switching efficiency and the liquid outlet efficiency of the multifunctional rotating nozzle are improved, and the overall appearance is more coordinated and beautiful.

[0025] With reference to Figure 2 and Figure 3 , the limiting unit includes a plurality of clamping grooves 8 formed in the inner edge of the shell 2. In the embodiment of the application, the number of the clamping grooves 8 corresponds to the number of the installation grooves 4 of the rotating seat 3, and both are set to five. The main frame 1 is provided with a placement groove 9, and the placement groove 9 is provided with a limiting spring 11. One end of the limiting spring 11 is provided with a ball 10, and the ball 10 is partially inserted into one of the clamping grooves 8. In the embodiment of the application, the ball 10 is a steel ball. Therefore, the operator rotates the shell 2, the shell 2 drives the rotating seat 3 to rotate, and when the gear position of the nozzle 5 is switched to the corresponding position, the ball 10 is aligned with the clamping groove 8 in the shell 2 under the elastic action of the limiting spring 11 and emits a falling sound, so that the switching of the nozzle 5 in communication with the liquid inlet hole 7 is realized. The ball 10 is simple in structure, clear and timely in feedback to the operator, and good in experience.

[0026] With reference to Figure 2 and Figure 3 , the outer edge of the main frame 1 is provided with a insertion hole 12, and the insertion hole 12 is provided with a U-shaped pin 13 matched with the size of the insertion hole 12. The outer edge of the barrel 6 is provided with two limiting flats 14, and the barrel 6 is located at the inner edge of the U-shaped pin 13 and the two limiting flats 14 are in contact with the inner edge of the U-shaped pin 13. Therefore, the U-shaped pin 13 limits the position of the limiting flat 14, reduces the possibility of axial separation and circumferential displacement between the barrel 6 and the main frame 1, and improves the stability of the connection between the barrel 6 and the main frame 1.

[0027] With reference to Figure 2 and Figure 3, the hole wall of the liquid inlet hole 7 is provided with a pushing groove 15, the pushing groove 15 is communicated with one of the installation grooves 4, a retaining sleeve 17 is arranged in the pushing groove 15, a pushing spring 16 is arranged in the retaining sleeve 17, the pushing spring 16 is abutted between the groove bottom of the pushing groove 15 and the retaining sleeve 17, through the elastic compression amount of the pushing spring 16, the retaining sleeve 17 is always kept in contact with the rotating seat 3 under the spring force of the pushing spring 16. The surface of the retaining sleeve 17 towards the rotating seat 3 is provided with a first sealing groove, a first sealing ring 18 matched with the size of the first sealing groove is arranged in the first sealing groove, the first sealing ring 18 plays a sealing role to the liquid flowing to the nozzle 5 through the retaining sleeve 17, and the possibility of liquid leakage is reduced. In the embodiment of the application, the first sealing ring 18 adopts an O-shaped ring, and O-shaped rings can be used for sealing at the water flow channel connection.

[0028] With reference to Figure 2 and Figure 3 , the surface of the retaining sleeve 17 towards the rotating seat 3 is fixedly connected with a positioning block 19, the surface of the rotating seat 3 towards the retaining sleeve 17 is provided with a plurality of positioning grooves 20 matched with the size of the positioning block 19, and the positioning block 19 is inserted into one of the positioning grooves 20. In the embodiment of the application, the number of the positioning grooves 20 corresponds to the number of the installation grooves 4 of the rotating seat 3, and both are set to five, and the groove wall of the positioning groove 20 and the contact surface of the positioning block 19 are set to be inclined surfaces. Therefore, when the operator rotates the rotating seat 3 to realize the position switching of the nozzle 5, the gap between the retaining sleeve 17 and the rotating seat 3 is generated in the process that the positioning block 19 moves to the end surface of the rotating seat 3 along the positioning groove 20, thereby reducing the abrasion of the first sealing ring 18 in the gear switching process of the nozzle 5, prolonging the service life of the first sealing ring 18, and utilizing the gap to produce pressure relief, so that the operator can more easily and conveniently switch the gear of the nozzle 5.

[0029] With reference to Figure 2 and Figure 3 , the connecting unit comprises a connecting ring 21 threadedly connected with the inner edge of the shell 2, and the connecting ring 21 is sleeved on the outer edge of the main frame 1 and is rotationally connected with the main frame 1. The connecting ring 21 comprises a first half ring 24 and a second half ring 25 threadedly connected with the inner edge of the shell 2 respectively, the first half ring 24 and the second half ring 25 are connected through a connecting assembly to form the connecting ring 21, and the connecting ring 21 is divided into the first half ring 24 and the second half ring 25, so that the connecting ring 21 is conveniently assembled on the main frame 1. The connecting assembly comprises connecting columns arranged at both ends of the first half ring 24 respectively, the second half ring 25 is provided with connecting grooves 26 matched with the size of the connecting columns at both ends thereof towards the first half ring 24, the connecting columns are inserted into the connecting grooves 26, and the connecting grooves 26 limit the position of the connecting columns, thereby improving the stability of the connection between the first half ring 24 and the second half ring 25.

[0030] With reference to Figure 2 and Figure 3The inner edge of the housing 2 is provided with several protruding ridges 22, which form a ring along the inner edge of the housing 2. The outer edges of the first half-ring 24 and the second half-ring 25 are respectively fixedly connected with locking blocks 23. The two locking blocks 23 are respectively inserted between two adjacent protruding ridges 22. In this embodiment, the connecting ring 21 can be made of elastic engineering plastic. Therefore, after the first half-ring 24 and the second half-ring 25 are spliced ​​together to form a complete thread, they are fixed to the main frame 1. Then, the housing 2 is installed on the connecting ring 21 through a threaded connection, so that the housing 2 and the gun barrel 6 form a sealed whole. The adjacent two protruding ridges 22 limit the position of the locking blocks 23, thereby preventing the housing 2 from slipping, reducing the possibility of the housing 2 separating from the connecting ring 21, and improving the stability of the housing 2 installation.

[0031] The implementation principle of this application embodiment is as follows: When in use, the water flows through the internal flow channel of the gun barrel 6, through the liquid inlet hole 7 of the main body, then through the retaining sleeve 17 into the rotating seat 3, and finally sprays out through the small hole of the nozzle 5 to form a high-pressure water flow. The high-pressure water flow is used for daily cleaning and other purposes. By setting multiple nozzles 5 of different models on the rotating seat 3, one nozzle can meet multiple usage needs and switch freely, which is convenient and quick.

[0032] When it is necessary to switch between different water types of nozzle 5, the operator rotates the housing 2, which drives the rotating base 3 to rotate, thereby achieving the switching of nozzle 5 that communicates with the liquid inlet 7. Since the barrel 6, main frame 1, and rotating base 3 are coaxially arranged, and the rotation center of the rotating base 3 is the same as that of the barrel 6, that is, the barrel 6 is located at the center of the rotating base 3, there will be no eccentricity during the switching of nozzle 5, making the operation more convenient for the operator, improving the switching efficiency and liquid output efficiency of the multi-functional rotary nozzle, and the overall appearance is more coordinated and aesthetically pleasing, and more ergonomic. In addition, the multi-functional rotary nozzle in this embodiment has a simple and compact structure, is easy to assemble, and is easy to manufacture.

[0033] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A multifunctional rotary nozzle, characterized in that: The system includes a main frame (1), on which a housing (2) is rotatably connected via a connecting unit. A rotating seat (3) is provided on the housing (2). Several mounting slots (4) are provided on the rotating seat (3). A nozzle (5) is provided in each of the mounting slots (4). A gun barrel (6) for liquid inlet is provided on the main frame (1). The gun barrel (6), the main frame (1), and the rotating seat (3) are coaxially arranged. A liquid inlet hole (7) communicating with the gun barrel (6) is provided on the main frame (1). One end of the liquid inlet hole (7) away from the gun barrel (6) is connected to one of the mounting slots (4). A limiting unit for limiting the position of the housing (2) is provided on the main frame (1).

2. The multifunctional rotary nozzle according to claim 1, characterized in that: The limiting unit includes several slots (8) formed on the inner edge of the housing (2), and a placement slot (9) is formed on the main frame (1). A limiting spring (11) is provided in the placement slot (9), and a ball (10) is provided at one end of the limiting spring (11). The ball (10) is partially inserted into one of the slots (8).

3. The multifunctional rotary nozzle according to claim 1, characterized in that: The main frame (1) is provided with a socket (12), and a U-shaped pin (13) is inserted into the socket (12). Two limiting flats (14) are provided opposite to each other on the outer edge of the gun barrel (6), and both limiting flats (14) are in contact with the inner edge of the U-shaped pin (13).

4. The multifunctional rotary nozzle according to claim 1, characterized in that: The inlet hole (7) has a push groove (15) on its wall. The push groove (15) is connected to one of the mounting grooves (4). A retaining sleeve (17) is provided in the push groove (15). A push spring (16) is provided in the retaining sleeve (17). The push spring (16) is pressed against the bottom of the push groove (15) and the retaining sleeve (17).

5. The multifunctional rotary nozzle according to claim 4, characterized in that: The retaining sleeve (17) has a first sealing groove on its surface facing the rotating seat (3), and a first sealing ring (18) matching the first sealing groove is provided in the first sealing groove.

6. The multifunctional rotary nozzle according to claim 5, characterized in that: The retaining sleeve (17) has a positioning block (19) on the surface facing the rotating seat (3), and the rotating seat (3) has a positioning groove (20) that matches the positioning block (19) on the surface facing the retaining sleeve (17), and the positioning block (19) is inserted into the positioning groove (20).

7. The multifunctional rotary nozzle according to claim 1, characterized in that: The connecting unit includes a connecting ring (21) that is threaded to the inner edge of the housing (2). The connecting ring (21) is sleeved on the outer edge of the main frame (1) and rotatably connected to the main frame (1).

8. The multifunctional rotary nozzle according to claim 7, characterized in that: The inner edge of the housing (2) is provided with several protruding ridges (22), and the outer edge of the connecting ring (21) is provided with a locking block (23), which is inserted between two adjacent protruding ridges (22).

9. The multifunctional rotary nozzle according to claim 7, characterized in that: The connecting ring (21) includes a first half-ring (24) and a second half-ring (25) that are threaded to the inner edge of the housing (2), and the first half-ring (24) and the second half-ring (25) are connected by a connecting assembly to form the connecting ring (21).

10. The multifunctional rotary nozzle according to claim 9, characterized in that: The connecting assembly includes connecting posts respectively disposed at both ends of the first half ring (24), and connecting grooves (26) matching the connecting posts are respectively opened at both ends of the second half ring (25) facing the first half ring (24), and the connecting posts are inserted into the connecting grooves (26).

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