A connection head for a cleaning device with a replaceable cleaning brush

Abstract

The utility model relates to the field of cleaning equipment, disclose a kind of cleaning equipment connecting head with replaceable cleaning brush, including cleaning brush and connecting head, the circumferential inner wall of cleaning brush is fixedly connected with multiple limit blocks, the circumferential outer wall of connecting head is equipped with multiple limit slots corresponding to limit block position one by one, the circumferential inner wall of cleaning brush is equipped with multiple guide slots, the circumferential outer wall of connecting head is fixedly connected with multiple guide blocks corresponding to guide slot position one by one, the circumferential inner wall of cleaning brush is fixedly connected with multiple elastic buckles.In the utility model, through the cooperation of cleaning brush inner wall guide slot and connecting head outer wall guide block, the accurate butt joint of cleaning brush and connecting head is realized, simultaneously, the clamping structure of L-shaped elastic buckle and clamping groove, the disassembly and assembly of cleaning brush can be completed only by axial push and pull, without rotating multiple turns, even if both hands are stained with stains can be operated, solve the problem of cleaning brush replacement operation cumbersome in prior art.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment, and in particular to a connector for cleaning equipment with a replaceable cleaning brush. Background Technology

[0002] With increasing demands for improved cleaning efficiency in homes and industries, various electric or manual cleaning equipment (such as rotary brushes and spray brushes) are widely used. In practical applications, cleaning brushes, as the working parts that directly contact stains, are prone to wear due to friction, or are difficult to thoroughly clean due to contaminants such as oil and dust, thus requiring frequent replacement. Furthermore, when dealing with different types of stains (such as stubborn oil, dust, and water stains) or different surface materials (such as tiles, glass, metal, and wood), cleaning brushes with varying bristle hardness, density, and shape are necessary to avoid damaging the surface and ensure effective cleaning.

[0003] In existing technologies, some cleaning devices use a threaded connection structure to connect the brush head to the main unit. This makes replacement cumbersome, requiring users to use both hands to rotate the brush head multiple times to complete the disassembly and installation. This is especially problematic when hands are covered in oil or water during cleaning, as the hands are prone to slipping, increasing the difficulty of replacement and potentially causing secondary contamination of the device's casing. Furthermore, the devices have low compatibility, as different brands and models of cleaning devices use different thread specifications, making it difficult to use universal cleaning brushes. Users need to purchase specific brush heads for replacement, increasing operating costs. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a connector for a cleaning device with a replaceable cleaning brush, which aims to solve the problem of "cumbersome operation and low compatibility, which increases the cost of use" in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a connector for a cleaning device with a replaceable cleaning brush, comprising a cleaning brush and a connector, wherein a plurality of limiting blocks are fixedly connected to the circumferential inner wall of the cleaning brush, a plurality of limiting grooves corresponding one-to-one with the positions of the limiting blocks are opened on the circumferential outer wall of the connector, a plurality of guide grooves are opened on the circumferential inner wall of the cleaning brush, a plurality of guide blocks corresponding one-to-one with the positions of the guide grooves are fixedly connected to the circumferential outer wall of the connector, a plurality of elastic buckles are fixedly connected to the circumferential inner wall of the cleaning brush, and a plurality of snap-fit ​​grooves corresponding one-to-one with the positions of the elastic buckles are fixedly connected to the circumferential outer wall of the connector.

[0006] As a further description of the above technical solution:

[0007] The elastic buckle is L-shaped and integrally formed with the cleaning brush, with the free end of the elastic buckle snapping into the slot.

[0008] As a further description of the above technical solution:

[0009] The inner wall of the cleaning brush has a circular hole coaxial with the axis of the cleaning brush, and the connector is inserted into the circular hole.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the connector is provided with a sealing groove, and an O-ring is embedded in the sealing groove. The outer periphery of the O-ring contacts the inner wall of the cleaning brush.

[0012] As a further description of the above technical solution:

[0013] It also includes an upper shell and a lower shell, which are connected by a mounting ring. The upper shell has a slanted groove on the top left side and the lower shell has a slanted groove on the bottom left side. The inner wall of the mounting ring is fixedly connected with a wedge block whose position corresponds to the slanted groove.

[0014] As a further description of the above technical solution:

[0015] An integrally formed mounting post is fixedly connected to the right side of the inner wall of the lower shell. The top of the mounting post has a mounting hole, and a connecting post is fixedly connected to the bottom of the connector. The connecting post is inserted into the mounting hole, and a cleaning agent connector is fixedly connected to the bottom of the connector.

[0016] As a further description of the above technical solution:

[0017] The inner walls of both the upper and lower shells are fixedly connected with multiple reinforcing ribs that are evenly distributed along the axial direction, and the surface of each reinforcing rib has a groove with a semi-circular cross-section.

[0018] As a further description of the above technical solution:

[0019] A cleaning agent guide rod is provided inside the cylinder formed by the upper and lower shells. One end of the cleaning agent guide rod is sealed to the cleaning agent connector, and the other end of the cleaning agent guide rod is a filling end for filling the cleaning agent. The cleaning agent guide rod is set in a groove.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, the guide groove on the inner wall of the cleaning brush and the guide block on the outer wall of the connector achieve precise docking between the cleaning brush and the connector. Users can complete the installation without repeatedly adjusting the position. At the same time, the L-shaped elastic buckle and the snap-fit ​​structure of the slot allow the cleaning brush to be disassembled and assembled by simply pushing and pulling axially without rotating multiple times. Even if the hands are dirty, it can be easily operated, solving the problem of cumbersome cleaning brush replacement in the prior art. In addition, the snap-fit ​​design of the limiting block and the limiting groove can limit the relative circumferential deflection of the cleaning brush and the connector, preventing the brush head from rotating and deviating when the electric cleaning equipment is working. Combined with the interference fit between the connecting column and the mounting hole, the connection stability is further improved, preventing the brush head from loosening or falling off.

[0022] 2. In this utility model, an O-ring seal is formed between the cleaning brush and the connector through the sealing groove on the outer wall of the connector, effectively preventing the cleaning fluid from leaking out of the gap, avoiding waste of cleaning fluid and damage to internal parts of the equipment. The sealed connection between the cleaning fluid guide rod and the cleaning fluid connector, together with the positioning of the guide rod by the reinforcing rib groove, ensures that the cleaning fluid can be stably delivered to the cleaning brush, realizing the function of cleaning and spraying at the same time, improving cleaning efficiency. At the same time, the upper shell and the lower shell can be quickly spliced ​​together by the installation ring, which not only facilitates the assembly and maintenance of the equipment, but also forms a comfortable grip structure, reducing the fatigue of users during long-term use. Moreover, the guide and snap-fit ​​structure of this connector can be adapted to various types of cleaning brushes, improving the adaptability of the equipment. Users do not need to purchase equipment separately for different cleaning scenarios, reducing the cost of use. Attached Figure Description

[0023] Figure 1 This is a three-dimensional exploded view of the upper shell, lower shell, connector, and cleaning agent guide rod of this utility model;

[0024] Figure 2 This is a three-dimensional exploded view of the lower shell, connector, and cleaning agent guide rod of this utility model;

[0025] Figure 3 This is a three-dimensional exploded view of the upper shell, lower shell, and mounting ring of this utility model;

[0026] Figure 4 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0027] Figure 5 This is a three-dimensional structural diagram of the cleaning brush in this utility model;

[0028] Figure 6 This is a three-dimensional structural diagram of the connector in this utility model.

[0029] Legend:

[0030] 11. Cleaning brush; 12. Limiting block; 13. Guide groove; 14. Elastic buckle; 15. Round hole; 21. Upper shell; 22. Lower shell; 23. Mounting ring; 24. Wedge; 241. Inclined groove; 25. Reinforcing rib; 26. Groove; 27. Mounting post; 28. Mounting hole; 31. Connector; 32. Guide block; 33. Limiting groove; 34. Slot; 35. O-ring seal; 36. Sealing groove; 37. Connecting post; 38. Detergent connector; 41. Detergent guide rod. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 4 , Figure 5 and Figure 6 This utility model provides an embodiment of a connector for a cleaning device with a replaceable cleaning brush, comprising a cleaning brush 11 and a connector 31. There are four types of cleaning brushes 11, each with different sizes and shapes. Multiple limiting blocks 12 are fixedly connected to the circumferential inner wall of the cleaning brush 11. Multiple limiting grooves 33, corresponding one-to-one with the positions of the limiting blocks 12, are formed on the circumferential outer wall of the connector 31 to limit the relative circumferential deflection of the cleaning brush 11 and the connector 31. Multiple axially extending guide grooves 13 are formed on the circumferential inner wall of the cleaning brush 11. Multiple guide blocks 32, corresponding one-to-one with the positions of the guide grooves 13, are fixedly connected to the circumferential outer wall of the connector 31. The guide blocks 32 slide along the guide grooves 13 to allow the cleaning brush 11 to slide. 1. The insertion guide of the connector 31 includes multiple elastic buckles 14 fixedly connected to the circumferential inner wall of the cleaning brush 11, and multiple slots 34 fixedly connected to the circumferential outer wall of the connector 31, each corresponding to one of the positions of the elastic buckles 14. The elastic buckles 14 are engaged in the slots 34 to achieve axial fixation between the cleaning brush 11 and the connector 31. The elastic buckles 14 are L-shaped and integrally formed with the cleaning brush 11. One end of the elastic buckle 14 is integrally formed with the circumferential inner wall of the mounting end of the cleaning brush 11, and the other end of the elastic buckle 14 is a free end extending towards the connector 31. The free end of the elastic buckle 14 is engaged in the slots 34, and the cleaning brush 11 and the connector 31 are detachably engaged through elastic deformation.

[0033] Reference Figure 2 and Figure 6The inner wall of the cleaning brush 11 has a circular hole 15 coaxial with the axis of the cleaning brush 11. The connector 31 is adapted to be inserted into the circular hole 15 to achieve coaxial positioning of the cleaning brush 11 and the connector 31. The outer wall of the connector 31 has an annular sealing groove 36. An O-ring 35 is embedded in the sealing groove 36. The outer periphery of the O-ring 35 contacts the inner wall of the cleaning brush 11. When the cleaning brush 11 and the connector 31 are inserted into place, the outer periphery of the O-ring 35 is in close contact with the inner wall of the mounting end of the cleaning brush 11 to prevent the cleaning medium from leaking from the gap between the cleaning brush 11 and the connector 31.

[0034] Reference Figure 1 - Figure 3 It also includes an upper shell 21 and a lower shell 22. The upper shell 21 and the lower shell 22 are snapped together by a mounting ring 23 to achieve a detachable connection. An inclined groove 241 is provided on the top left side of the upper shell 21 and the bottom left side of the lower shell 22. A wedge 24 with a position corresponding to and adapted to the inclined groove 241 is fixedly connected to the inner wall of the mounting ring 23. When the wedge 24 is snapped into the inclined groove 241, the upper shell 21 and the lower shell 22 form a complete cylinder, which is convenient for the user to grip.

[0035] Reference Figure 1 - Figure 3 An integrally formed mounting post 27 is fixedly connected to the right side of the inner wall of the lower shell 22. The top of the mounting post 27 is provided with a mounting hole 28. The bottom of the connector 31 is fixedly connected with a connecting post 37. The connecting post 37 is adapted to be inserted into the mounting hole 28 with an interference fit. The bottom of the connector 31 is fixedly connected with a cleaning agent connector 38 for connecting to an external cleaning medium supply source.

[0036] Reference Figure 1 - Figure 3 The inner walls of the upper shell 21 and the lower shell 22 are fixedly connected with multiple reinforcing ribs 25 evenly distributed along the axial direction. The surface of the reinforcing ribs 25 is provided with a groove 26 with a semi-circular cross section. The groove 26 is used to accommodate and position the cleaning agent guide rod 41. The cleaning agent guide rod 41 is provided in the cylinder formed by the upper shell 21 and the lower shell 22. One end of the cleaning agent guide rod 41 is sealed and connected to the cleaning agent connector 38. The other end of the cleaning agent guide rod 41 is a filling end for filling with cleaning agent. The filling end is provided with an interface for connecting an external cleaning medium supply device. When using the cleaning equipment, the cleaning liquid is squeezed out from the connector 31 located in the circular hole 15, so that the cleaning liquid can cover the entire cleaning surface of the cleaning brush 11 during cleaning. The cleaning agent guide rod 41 is set in the groove 26, and the groove 26 realizes axial positioning and radial limiting.

[0037] Working principle: When in use, the user first aligns the guide block 32 on the outer wall of the connector 31 with the guide groove 13 on the inner wall of the cleaning brush 11 and pushes it in axially. The guide block 32 slides in the guide groove 13 to achieve automatic centering and guiding positioning between the cleaning brush 11 and the connector 31, avoiding misalignment during installation. As the cleaning brush 11 is continuously inserted, the limiting block 12 on its inner wall gradually enters the corresponding limiting groove 33 on the outer wall of the connector 31, forming a circumferential limiting structure to prevent the cleaning brush 11 from rotating relative to the other side during subsequent operation, ensuring stable and reliable power transmission.

[0038] When the cleaning brush 11 is nearly fully inserted, the multiple L-shaped elastic buckles 14 on its inner wall undergo elastic deformation when they contact the outer wall of the connector 31. The free ends of the elastic buckles 14 automatically snap into the corresponding slots 34 under the action of elastic force, achieving axial locking and forming a detachable quick-install and quick-release connection. The operation is simple and replacement can be completed without tools.

[0039] Meanwhile, after the cleaning brush 11 is fully installed, the O-ring 35 embedded in the sealing groove 36 on the outer wall of the connector 31 is squeezed by the inner wall of the cleaning brush 11, generating a radial sealing force, so that the outer circumferential surface of the O-ring 35 is tightly fitted with the inner wall of the mounting end of the cleaning brush 11, forming a reliable sealing interface, effectively preventing the cleaning medium from leaking from the gap between the cleaning brush 11 and the connector 31, ensuring the safe operation of the equipment and the cleanliness of the use environment.

[0040] The main body of the equipment consists of an upper shell 21 and a lower shell 22, which are detachably connected by a mounting ring 23. During installation, the upper shell 21 and the lower shell 22 are put together and fitted into the mounting ring 23. Then, the mounting ring 23 is pushed in so that the wedge 24 on the inner wall slides along the inclined groove 241 on the left side of the upper shell 21 and the lower shell 22 and is engaged, so that the upper shell 21 and the lower shell 22 are tightly closed to form a complete cylindrical grip.

[0041] The device is equipped with a cleaning agent guide rod 41. One end of the rod is sealed to the cleaning agent connector 38 at the bottom of the connector 31, and the other end is a filling end with an interface for connecting to an external cleaning agent supply device such as a storage bottle or pipeline system. The external cleaning agent enters the cleaning agent guide rod 41 through the cleaning agent connector 38 and is delivered to the cleaning area to achieve a highly efficient cleaning mode of brushing and spraying simultaneously. The cleaning agent guide rod 41 is embedded in the semi-circular groove 26 opened by the reinforcing ribs 25 on the inner wall of the upper shell 21 and the lower shell 22. The groove 26 achieves axial positioning and radial limiting to avoid vibration displacement, while improving the neatness of wiring and structural stability.

[0042] When it is necessary to replace the cleaning brush 11, the user only needs to apply appropriate force to pull out the cleaning brush 11 along the axis. The operation is simple and quick, and it is convenient for maintenance and use in multiple scenarios.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A connector for a cleaning device with a replaceable cleaning brush, comprising a cleaning brush (11) and a connector (31), characterized in that: The cleaning brush (11) has multiple limiting blocks (12) fixedly connected to its circumferential inner wall. The connector (31) has multiple limiting grooves (33) that correspond one-to-one with the positions of the limiting blocks (12) on its circumferential outer wall. The cleaning brush (11) has multiple guide grooves (13) on its circumferential inner wall. The connector (31) has multiple guide blocks (32) that correspond one-to-one with the positions of the guide grooves (13) fixedly connected to its circumferential outer wall. The cleaning brush (11) has multiple elastic buckles (14) fixedly connected to its circumferential inner wall. The connector (31) has multiple slots (34) that correspond one-to-one with the positions of the elastic buckles (14) fixedly connected to its circumferential outer wall.

2. The connector for a cleaning device with a replaceable cleaning brush according to claim 1, characterized in that: The elastic buckle (14) is L-shaped and integrally formed with the cleaning brush (11), and the free end of the elastic buckle (14) is inserted into the slot (34).

3. The connector for a cleaning device with a replaceable cleaning brush according to claim 1, characterized in that: The inner wall of the cleaning brush (11) is provided with a circular hole (15) coaxial with the axis of the cleaning brush (11), and the connector (31) is inserted into the circular hole (15).

4. The connector for a cleaning device with a replaceable cleaning brush according to claim 1, characterized in that: The outer wall of the connector (31) is provided with a sealing groove (36), and an O-ring (35) is embedded in the sealing groove (36). The outer periphery of the O-ring (35) is in contact with the inner wall of the cleaning brush (11).

5. A connector for a cleaning device with a replaceable cleaning brush according to claim 1, characterized in that: It also includes an upper shell (21) and a lower shell (22), which are connected by a mounting ring (23). The upper shell (21) and the lower shell (22) are provided with inclined grooves (241) on the top left side and the lower shell (22) on the bottom left side. The inner wall of the mounting ring (23) is fixedly connected with a wedge (24) whose position corresponds to the inclined groove (241).

6. A connector for a cleaning device with a replaceable cleaning brush according to claim 5, characterized in that: An integrally formed mounting post (27) is fixedly connected to the right side of the inner wall of the lower shell (22). The top of the mounting post (27) is provided with a mounting hole (28). The bottom of the connector (31) is fixedly connected to a connecting post (37). The connecting post (37) is inserted into the mounting hole (28). The bottom of the connector (31) is fixedly connected to a cleaning agent connector (38).

7. A connector for a cleaning device with a replaceable cleaning brush according to claim 6, characterized in that: The inner walls of the upper shell (21) and the lower shell (22) are fixedly connected with a plurality of reinforcing ribs (25) evenly distributed along the axial direction, and the surface of the reinforcing ribs (25) is provided with a groove (26) with a semi-circular cross section.

8. A connector for a cleaning device with a replaceable cleaning brush according to claim 7, characterized in that: A cleaning agent guide rod (41) is provided inside the cylinder formed by the upper shell (21) and the lower shell (22). One end of the cleaning agent guide rod (41) is sealed to the cleaning agent connector (38), and the other end of the cleaning agent guide rod (41) is a filling end for filling the cleaning agent. The cleaning agent guide rod (41) is set in the groove (26).

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