CN218682719U - Disposable cleaning brush - Google Patents

Abstract

The application provides a disposable cleaning brush, including brush head and brush holder, the brush holder includes that the alternate segregation sets up and last casing and lower casing that can dock each other, flexible in the last casing is provided with the actuating lever, the internal flexible actuating lever down that is provided with of inferior valve, just the lower extreme of actuating lever is connected with the centre gripping assembly down. When the upper shell and the lower shell are butted, the upper driving rod and the lower driving rod are connected through a first buckle component in a buckled mode, and the upper driving rod drives the clamping assembly to move through the lower driving rod so as to clamp or release the brush head. According to the disposable cleaning brush, a user does not need to move the hand to the lower half section of the brush handle to drive and control the driving rod, so that the use convenience of the user is improved; the hand of the user keeps a certain distance from the brush head, and the brush head is not easily splashed by dirt on the brush head when being released, thereby ensuring the use sanitation and the health of the user.

Description

Disposable cleaning brush

Technical Field

The application relates to the technical field of cleaning tools, in particular to a disposable cleaning brush.

Background

In order to prevent bacteria from breeding and achieve the purpose of no need of cleaning, disposable cleaning brushes appear on the market. Such cleaning brushes have a handle and a head, the head being connected or disconnected by a clamping assembly on the handle. The used brush head can be detached from the brush handle and directly discarded, and then a new brush head is installed for continuous use, so that the use is more convenient and sanitary.

The brush holder has certain length under the general condition to do benefit to the user and use comfortably and can avoid the hand to contact the filth of sputter, but the overlength brush holder often leads to the packing size of cleaning brush product too big, can cause inconveniently to links such as product transportation, storage from this. In order to solve the problem, the brush handle is designed in a segmented mode in the prior art, and the requirement for miniaturization of product packaging can be met. However, the prior art has located the drive mechanism for controlling the grip assembly in the lower half of the handle, which has resulted in the drive mechanism being inconvenient for the user to operate.

SUMMERY OF THE UTILITY MODEL

The application provides a disposable cleaning brush, all carry out the segmentation through the actuating lever with casing and casing inside, the user can carry out drive control at the first half section of brush holder after connecting to solve the not convenient technical problem inadequately of user when operation actuating mechanism in prior art.

The application provides a disposable cleaning brush, including brush head and brush holder, the brush holder includes that the alternate segregation sets up and last casing and lower casing that can dock each other, flexible in the last casing is provided with the actuating lever, the internal flexible actuating lever down that is provided with of inferior valve, just the lower extreme of actuating lever is connected with the centre gripping assembly down.

When the upper shell and the lower shell are butted, the upper driving rod and the lower driving rod are connected through a first buckle component in a buckled mode, and the upper driving rod drives the clamping assembly to move through the lower driving rod so as to clamp or release the brush head.

The embodiment of the application of embodiment disposable cleaning brush, be two upper and lower half sections with the brush holder segmentation, wherein, first section is last casing and the flexible last actuating lever that sets up in last casing, second section is casing and the flexible lower drive pole that sets up in lower casing down, in using, dock first section and second section, it is in the same place with lower casing coupling to go up the casing, go up the actuating lever and realize the transmission with lower drive pole then through first buckle subassembly lock together and be connected, at this moment, the user can stretch out and draw back the last actuating lever and drive the lower drive pole flexible, rethread lower drive pole drives the action of centre gripping assembly and realizes centre gripping or release brush first purpose. Compared with the prior art, the segmentation of its brush holder is not only limited to the casing, has also carried out corresponding segmentation to the inside actuating lever of casing, can form the actuating mode that actuating lever and centre gripping assembly linked together under the actuating lever drives after connecting, can come to carry out drive control to the centre gripping assembly through last actuating lever, makes the user operate at the first half section of brush holder from this. Compared with the prior art, the user does not need to move the hand to the lower half section of the brush handle to operate the driving rod, so that the use convenience of the user is improved; meanwhile, the hand of the user is always positioned at the upper half section of the brush handle and keeps a certain distance from the brush head, so that the hand is not easily splashed by dirt on the brush head when the brush head is released, and the use sanitation and the health of the user are ensured.

In one possible design, the first latch assembly includes a first latch and a first catch groove, the first latch is disposed on one of the upper drive rod and the lower drive rod, and the other of the upper drive rod and the lower drive rod is disposed with the first catch groove;

the first buckle groove comprises an axial groove and a radial groove which are communicated with each other, the front end part of the first buckle is clamped into the radial groove after penetrating into the axial groove, and the front end part of the first buckle is pressed to enable the first buckle to be separated from the first buckle groove so as to enable the first buckle assembly to be unlocked.

In one possible embodiment, the upper housing is plugged into the lower housing.

In one possible design, the outer diameter of the upper end of the lower housing is smaller than the inner diameter of the lower end of the upper housing, so that the upper end of the lower housing can be plugged into the upper housing.

In a possible design, the lower housing is further snap-fit connected by a second snap assembly after being inserted into place with the upper housing.

In a possible design, the second buckle assembly includes a second buckle and a second buckle groove, the second buckle is disposed on the lower housing, the upper housing is provided with the second buckle groove, and the second buckle groove is a through groove;

the front end of the second buckle is clamped into the second buckle groove so as to buckle the second buckle assembly, and the front end of the second buckle is pressed to separate the second buckle from the second buckle groove so as to unlock the second buckle assembly.

In a possible design, when the first buckle component and the second buckle component are connected in a buckling manner, the radial groove is opposite to the notch of the second buckle groove, and when the front end part of the second buckle is pressed, the first buckle can be driven to simultaneously unlock the first buckle component and the second buckle component.

In one possible design, the front end of the first buckle is roundabout towards the rear end, so that the first buckle is integrally formed into a hook-shaped structure.

In a possible design, the upper shell is further provided with a driving control part for controlling the upper driving rod to perform telescopic motion.

In a possible design, a communication hole is formed in the upper shell, the driving control part is a driving button movably arranged on the upper shell, and the driving button is in transmission connection with the upper driving rod through the communication hole.

In a possible design, the brush handle is further provided with an elastic reset piece for resetting the upper driving rod and the lower driving rod and keeping the clamping assembly in a state of clamping the brush head.

In one possible design, the elastic restoring member is located in the upper housing and connected between the upper driving rod and the inner wall of the upper housing.

In a possible design, the elastic reset piece is sleeved on the pressure spring at the upper end of the upper driving rod, the outer wall of the upper driving rod is further provided with an abutting flange used for limiting the pressure spring, and the other end of the pressure spring abuts against the top wall of the upper shell.

In a possible design, a limiting flange for limiting the upper driving rod to swing in the radial direction is arranged on the outer wall of the upper driving rod.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a disposable cleaning brush provided by an embodiment of the present application;

FIG. 2 is a schematic view of a handle provided by an embodiment of the present application;

FIG. 3 is an exploded view of a handle provided by an embodiment of the present application;

FIG. 4 is a schematic view of a clamping assembly provided in an embodiment of the present application;

FIG. 5 is an enlarged view at A in FIG. 3;

FIG. 6 is a schematic view of the upper drive rod of FIG. 5 shown connected to the lower drive rod;

FIG. 7 is an enlarged view at B in FIG. 3;

FIG. 8 is a schematic view of the upper housing and lower housing of FIG. 7 after they have been joined;

FIG. 9 is a cross-sectional view of a handle provided by an embodiment of the present application;

fig. 10 is an enlarged view at C in fig. 9.

Reference numerals: 10. a brush head; 20. a brush handle; 31. an upper housing; 311. a second catching groove; 32. a lower housing; 321. a second buckle; 322. a guide groove; 41. an upper drive rod; 411. a first buckle; 412. an abutment flange; 413. a limiting flange; 42. a lower drive rod; 421. a first catching groove; 421a, axial grooves; 421b, radial grooves; 50. a clamping assembly; 51. a clamp arm; 52. a guide post; 60. an elastic reset member; 70. the button is actuated.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be understood that the terms "inner," "outer," "upper," "bottom," "front," "back," and the like, if any, refer to the orientation or positional relationship shown in FIG. 1, which is used for ease of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

It should be noted that the same reference numerals are used to denote the same components or parts in the embodiments of the present application, and for the same parts in the embodiments of the present application, only one of the parts or parts may be given the reference numeral, and it should be understood that the reference numerals are also applicable to the other same parts or parts.

In order to prevent bacteria from breeding and achieve the purpose of no need of cleaning, disposable cleaning brushes appear on the market. Such cleaning brushes can be classified into toilet brushes for brushing a toilet, pot brushes for brushing a pot, cleaning floor brushes for brushing the floor, and the like according to the use.

This type of cleaning brush has the brush holder, the brush head, centre gripping assembly and actuating mechanism, the centre gripping assembly is installed in the tip of brush holder, actuating mechanism installs inside the brush holder, the user controls the centre gripping assembly through actuating mechanism and closes or open, thereby corresponding centre gripping perhaps releases the brush head, realize from this that the connection can be dismantled between brush holder and the brush head, brush head after using can follow the brush holder and tear down and directly abandon, later install new brush head and continue to use, it is more convenient and sanitary to use.

For being favorable to the user to use comfortably and can avoid the hand to contact the filth of sputter, the brush holder has certain length under the normal condition, but the overlength brush holder often leads to the packing size of cleaning brush product too big, can cause inconveniently to links such as product transportation, storage from this. In order to solve the problem, the brush handle is designed in a segmented mode in the prior art, so that the requirement of miniaturization of the cleaning brush product package can be met.

However, the casing of the brush holder is only designed in a segmented manner in the prior art, and the driving mechanism is not segmented, so that the driving mechanism can only be arranged on the brush holder with the clamping assembly, that is, the driving mechanism can only be arranged on the lower half section of the brush holder, when the brush holder is used, a user needs to move the hand to the lower half section of the brush holder to operate the driving mechanism, so that the user is not convenient enough when operating the driving mechanism, in addition, the driving mechanism is positioned on the lower half section and still causes the distance between the driving mechanism and the brush head to be too close, when the brush holder is used, the user is easy to be splashed by dirt, and the brush holder is not sanitary and healthy enough to use.

Fig. 1 is a schematic view of a disposable cleaning brush provided in an embodiment of the present application. Fig. 2 is a schematic view of a handle 20 provided by an embodiment of the present application. Fig. 3 is an exploded view of the handle 20 provided in the present application.

As shown in fig. 1-3, the disposable cleaning brush provided by the embodiment of the present application includes a brush head 10 and a brush handle 20, the brush handle 20 includes an upper housing 31 and a lower housing 32 that are separately disposed and can be butted against each other, an upper driving rod 41 is telescopically disposed in the upper housing 31, a lower driving rod 42 is telescopically disposed in the lower housing 32, and a clamping assembly 50 is connected to a lower end of the lower driving rod 42. When the upper shell 31 and the lower shell 32 are butted, the upper driving rod 41 and the lower driving rod 42 are in snap-fit connection through the first snap-fit component, and the upper driving rod 41 drives the clamping assembly 50 to move through the lower driving rod 42 so as to clamp or release the brush head 10.

The disposable cleaning brush in the embodiment of the application, be two upper and lower half sections with brush holder 20 segmentation, wherein, the first half section is last casing 31 and the flexible upper drive pole 41 that sets up in last casing 31, the second half section is casing 32 and the flexible lower drive pole 42 that sets up in casing 32 down, in use, dock first half section and second half section, it links together with casing 32 down to go up casing 31, upper drive pole 41 and lower drive pole 42 then realize the transmission through first buckle subassembly lock together and be connected, at this moment, the user can stretch out and draw back upper drive pole 41 and drive lower drive pole 42 and stretch out and draw back, the rethread lower drive pole 42 drives the action of centre gripping assembly 50 and realizes centre gripping or release brush head 10's purpose.

It can be seen that, compared with the prior art, the disposable cleaning brush in the embodiment of the present application is not limited to the housing for segmenting the brush handle 20, but also segments the driving rod inside the housing, and after the connection, a driving manner in which the upper driving rod 41 drives the lower driving rod 42 and the clamping assembly 50 to be linked together can be formed, and the clamping assembly 50 can be driven and controlled by the upper driving rod 41, so that the user can operate the upper half section of the brush handle 20. Compared with the prior art, the user does not need to move the hand to the lower half section of the brush handle 20 to operate the driving rod, so that the use convenience of the user is improved; meanwhile, the hand of the user is always positioned at the upper half section of the brush handle 20 and keeps a certain distance from the brush head 10, so that the hand is not easily splashed by dirt on the brush head 10 when the brush head 10 is released, and the use sanitation and the health of the user are ensured.

Fig. 4 is a schematic view of a clamping assembly 50 provided in an embodiment of the present application.

As shown in fig. 4, the clamping assembly 50 of the present application mainly includes two hinged clamping arms 51, and two guiding posts 52 are respectively disposed on two opposite sides of each clamping arm 51. The lower housing 32 is provided with a plurality of guide slots 322 corresponding to the plurality of guide posts 52, and the two guide slots 322 on each side of the lower housing 32 are in a shape of a Chinese character 'ba'. When the user extends or retracts the upper driving rod 41, the lower driving rod 42 also acts on the clamping assembly 50, so that the clamping arms 51 are closed or opened under the combined action of the guiding columns 52 and the guiding grooves 322, thereby forming a clamping or releasing effect on the brush head 10.

As mentioned above, the user can control the upper driving rod 41 to make the holding assembly 50 hold or release the brush head 10, and the specific implementation manner can be as follows: the upper actuating rod 41 may extend to the upper end surface of the upper housing 31, and a user may grip the extended end of the upper actuating rod 41 to extend and retract the upper actuating rod 41 within the upper housing 31 in a manner similar to a hand-held pump, thereby causing the clamping assembly 50 to perform a corresponding clamping or releasing action.

Alternatively, a strip-shaped groove is formed in the side wall of the upper housing 31, the upper driving rod 41 extends out of the strip-shaped groove after being bent, and a user holds the bent portion of the upper driving rod 41 to extend and retract the upper driving rod 41 inside the upper housing 31 in a manner similar to the operation of loading a bolt, so that the clamping assembly 50 performs corresponding clamping or releasing actions.

Alternatively, the structures of the upper casing 31 and the lower casing 32 may be a cylindrical closed structure, a frame-shaped structure with hollows, or a combination thereof. Further, the sectional shapes of the upper case 31 and the lower case 32 may be circular, elliptical, rectangular, trapezoidal, or the like.

Optionally, the upper shell 31 and the lower shell 32 may be butted by a snap connection, a magnetic connection, a threaded connection, or the like, and secondary segmentation may also be performed after the butting.

Fig. 5 is an enlarged view at a in fig. 3. Fig. 6 is a schematic view of fig. 5 after the upper drive lever 41 and the lower drive lever 42 are connected.

As shown in fig. 5 and 6, in an embodiment, the first latch assembly includes a first latch 411 and a first latching slot 421, the first latch 411 is disposed on one of the upper driving rod 41 and the lower driving rod 42, and the other of the two is disposed with the first latching slot 421; the first catch groove 421 includes an axial groove 421a and a radial groove 421b that are communicated with each other, the front end of the first catch 411 is inserted into the radial groove 421b after penetrating through the axial groove 421a, and the front end of the first catch 411 is pressed to disengage the first catch 411 from the first catch groove 421, so that the first catch assembly is released.

In this embodiment, the specific structure of the first snap assembly is defined as follows: the first buckle assembly comprises a first buckle 411 and a first buckle groove 421, wherein the first buckle groove 421 comprises an axial groove 421a and a radial groove 421b which are communicated with each other, the front end of the first buckle 411 penetrates through the axial groove 421a and then is clamped into the radial groove 421b, the front end of the first buckle 411 is pressed, and the first buckle 411 is sequentially separated from the radial groove 421b and the axial groove 421a, so that the first buckle assembly can be unlocked. The first buckle assembly in the embodiment has a simple structure and is easy to implement.

In addition, the arrangement bases of the first catch 411 and the first catch groove 421 can be interchanged, that is, the upper driving rod 41 has the first catch 411, and the lower driving rod 42 has the first catch groove 421; it is also possible that the upper driving rod 41 is provided with a first catch 421, and the lower driving rod 42 is provided with a first catch 411.

Alternatively, the structure of the first buckle 411 may be a fishhook or ">".

In one embodiment, the upper housing 31 is plugged into the lower housing 32.

As mentioned above, the upper housing 31 and the lower housing 32 can be connected by means of snap, magnetic attraction, etc., and the upper housing 31 and the lower housing 32 can be inserted.

Alternatively, the upper housing 31 and the lower housing 32 may be plugged in various ways, and a stud and a slot may be respectively disposed on the connection end surfaces of the upper housing 31 and the lower housing 32 to plug in a manner similar to a power plug.

Fig. 7 is an enlarged view at B in fig. 3. Fig. 8 is a schematic view of fig. 7 after the upper case 31 and the lower case 32 are coupled.

As shown in fig. 7 and 8, in one embodiment, the outer diameter of the upper end of the lower housing 32 is smaller than the inner diameter of the lower end of the upper housing 31, so that the upper end of the lower housing 32 can be inserted into the upper housing 31.

In the present embodiment, the specific insertion manner of the upper housing 31 and the lower housing 32 is defined as follows: the outer diameter of the upper end of the lower housing 32 is smaller than the inner diameter of the lower end of the upper housing 31, so that the upper end of the lower housing 32 can be inserted into the upper housing 31, the insertion structure is simple and easy to process, and in addition, the upper housing 31 and the lower housing 32 can have enough connection area to ensure the connection strength of the upper housing and the lower housing.

Alternatively, in other embodiments, the insertion manners of the upper housing 31 and the lower housing 32 may be interchanged, that is, the inner diameter of the upper end of the lower housing 32 is larger than the outer diameter of the lower end of the upper housing 31, so that the lower end of the upper housing 31 can be inserted into the lower housing 32.

In one embodiment, the lower housing 32 is further snap-fit connected by a second snap assembly after being inserted into place with the upper housing 31.

In this embodiment, on the basis of the plugging structure of the upper shell 31 and the lower shell 32, a second snap component is further added to enhance the connection strength of the upper shell 31 and the lower shell 32.

Specifically, the second snap assembly can axially limit the insertion position of the upper shell 31 and the lower shell 32, so as to prevent the upper shell 31 and the lower shell 32 from axially separating; the second snap assembly can also circumferentially limit the joint of the upper shell 31 and the lower shell 32, and prevent the upper shell 31 and the lower shell 32 from rotating relatively.

In the present embodiment, the specific structure of the second snap assembly is not limited as long as the joint of the upper housing 31 and the lower housing 32 can be reinforced.

As shown in fig. 7 and 8, in an embodiment, the second fastening component includes a second fastening 321 and a second fastening slot 311, the second fastening 321 is disposed on the lower shell 32, the upper shell 31 is provided with the second fastening slot 311, and the second fastening slot 311 is a through slot; the front end of the second buckle 321 is clamped into the second buckle slot 311 to buckle the second buckle assembly, and pressing the front end of the second buckle 321 can disengage the second buckle 321 from the second buckle slot 311 to unlock the second buckle assembly.

In this embodiment, the specific structure of the second snap assembly is defined as follows: the second buckle component comprises a second buckle 321 and a second buckle slot 311, the front end of the second buckle 321 is clamped into the second buckle slot 311 to buckle the second buckle component, and the front end of the second buckle 321 is pressed to separate the second buckle 321 from the second buckle slot 311 to unlock the second buckle component.

The second buckle assembly in the embodiment has a simple structure, is easy to implement, and has a tripping function, and on the basis that the first buckle assembly also has the tripping function, the brush holder 20 can be segmented for the second time after being butted to reduce the volume, so that the brush holder is beneficial to home storage for users.

Fig. 9 is a cross-sectional view of the handle 20 provided by an embodiment of the present application. Fig. 10 is an enlarged view at C in fig. 9.

As shown in fig. 9 and 10, in an embodiment, when the first buckle component and the second buckle component are buckled and connected, the radial groove 421b is opposite to the notch of the second buckle groove 311, and when the front end of the second buckle 321 is pressed, the first buckle 411 is driven to simultaneously unlock the first buckle component and the second buckle component.

In this embodiment, in order to improve the convenience that the user used, when unbuckling the second buckle subassembly, unbuckling first buckle subassembly in step, the concrete design that realizes this effect is: when the lower housing 32 is inserted into the upper housing 31 in place, the second latch assembly is connected in a latching manner, the upper driving rod 41 is connected with the lower driving rod 42 in a latching manner through the first latch assembly, at this time, the positions of the radial groove 421b and the notch of the second latch groove 311 are opposite, and when a user presses the front end portion of the second latch 321, the second latch 321 also presses the first latch 411 downward, so that the first latch 411 is moved out of the radial groove 421b, and the second latch 321 is also moved out of the second latch groove 311 at this time, so that the first latch assembly and the second latch assembly are simultaneously released.

As shown in fig. 5, in one embodiment, the front end of the first latch 411 is roundabout towards the rear end, so that the first latch 411 is integrally formed into a hook-shaped structure.

In the present embodiment, the specific structure of the first buckle 411 is defined, and the front end of the first buckle 411 is roundabout towards the rear end, so that the first buckle 411 is integrally formed into a hook-shaped structure. For the structural limitation of the first buckle 411, in order to make the first buckle 411 form a single buckle form, only one corresponding second buckle 321 is needed, and therefore, when a user presses the buckle, the user only needs to press one second buckle 321, so that the user can operate the buckle conveniently.

Of course, in other embodiments, when the convenience of the trip is not considered, the first catch 411 may be provided in plurality, and correspondingly, the second catch 321 may also be provided in plurality.

In one embodiment, as shown in fig. 3, the upper housing 31 is further provided with a driving control member for controlling the upper driving rod 41 to perform a telescopic movement.

As mentioned above, the user can control the upper driving rod 41 to make the holding assembly 50 hold or release the brush head 10 by driving, and the specific implementation manner can be an extended end or a bent portion of the upper driving rod 41, and the extended end or the bent portion is a driving control member.

Further, the driving control member may be an electric driving device, and the like, and is not particularly limited as long as the upper driving rod 41 can be controlled to perform the telescopic motion.

In one embodiment, the upper housing 31 is provided with a communication hole, the driving control member is a driving button 70 movably disposed on the upper housing 31, and the driving button 70 is in transmission connection with the upper driving rod 41 through the communication hole.

In this embodiment, there are two ways for the driving button 70 to drive the upper driving rod 41 to move: one is that the communicating hole is a waist-shaped hole, the driving button 70 can slide along the length direction of the communicating hole, the bottom of the driving button 70 is hard connected with the upper driving rod 41, and the user drives the upper driving rod 41 to stretch when pushing the driving button 70 with the thumb; the other is that the communication hole has a certain axial length, the driving button 70 can slide along the axial direction of the communication hole, the bottom of the driving button 70 is slidably connected with the upper driving rod 41 through a guiding inclined plane, and the user presses the upper driving rod 41 to extend and retract when pressing the driving button 70 with the thumb.

In one embodiment, as shown in fig. 3, the handle 20 is further provided with an elastic restoring member 60 for restoring the upper driving rod 41 and the lower driving rod 42 and maintaining the grip assembly 50 in a state of gripping the brush head 10.

When the cleaning brush is used, the brush handle 20 and the brush head 10 are in a connected state, in order to improve the comfort of a user during use and avoid the user from exerting force for a long time to control the upper driving rod 41 so as to enable the clamping assembly 50 to keep the state of clamping the brush head 10, in the embodiment, the elastic reset piece 60 is additionally arranged on the brush handle 20, and the clamping assembly 50 keeps the state of clamping the brush head 10 through the reset acting force of the elastic reset piece 60.

In one embodiment, as shown in fig. 3, the elastic restoring member 60 is located inside the upper housing 31 and is connected between the upper driving lever 41 and the inner wall of the upper housing 31.

In other embodiments, the elastic return member 60 may also be coupled between the lower driving rod 42 and the inner wall of the lower housing 32. Since the upper driving rod 41 and the lower driving rod 42 are connected by the first snap assembly, the lower driving rod 42 can drive the lower driving rod 42 and the upper driving rod 41 to reset under the resetting force of the elastic resetting member 60.

In an embodiment, the elastic restoring element 60 is a compression spring sleeved on the upper end of the upper driving rod 41, and an abutting flange 412 for limiting the compression spring is further provided on the outer wall of the upper driving rod 41, and the other end of the compression spring abuts against the top wall of the upper housing 31.

As mentioned above, the clip assembly 50 of the present application primarily cooperates with the guide post 52 and the guide slot 322 to cause the clip arms 51 to close or open, thereby providing a clip or release effect to the brush head 10. As shown in FIG. 4, and depending on the design of the guide posts 52 and the guide slots 322, the clip assembly 50 forms a clip on the head 10 when the clip arms 51 are extended. Therefore, in the present embodiment, the elastic restoring member 60 is selected as a compression spring, and in a natural state, the elastic restoring member 60 pushes the upper driving rod 41 and the lower driving rod 42 outwards, so that the clamping arm 51 has a stretching tendency.

Further, an abutment flange 412 for limiting the pressure spring is further provided on the outer wall of the upper drive rod 41, and the other end of the pressure spring abuts against the top wall of the upper housing 31, so that the pressure spring is compressed between the abutment flange 412 and the top wall of the upper housing 31.

As shown in fig. 3, in an embodiment, the outer wall of the upper driving rod 41 is provided with a limiting flange 413 for limiting the upper driving rod 41 from swinging in the radial direction.

In this embodiment, in order to improve the operation stability of the upper driving rod 41 and avoid the upper driving rod 41 from being inclined and locked, a limiting flange 413 for limiting the upper driving rod 41 from swinging in the radial direction is provided on the outer wall of the upper driving rod 41.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (14)

1. A disposable cleaning brush comprises a brush head (10) and a brush handle (20), and is characterized in that the brush handle (20) comprises an upper shell (31) and a lower shell (32) which are arranged separately and can be butted with each other, an upper driving rod (41) is arranged in the upper shell (31) in a telescopic manner, a lower driving rod (42) is arranged in the lower shell (32) in a telescopic manner, and the lower end of the lower driving rod (42) is connected with a clamping assembly (50);

when the upper shell (31) is butted with the lower shell (32), the upper driving rod (41) is buckled and connected with the lower driving rod (42) through a first buckling component, and the upper driving rod (41) drives the clamping assembly (50) to move through the lower driving rod (42) so as to clamp or release the brush head (10).

2. The disposable cleaning brush of claim 1, wherein the first catch assembly comprises a first catch (411) and a first catch groove (421), the first catch (411) being disposed on one of the upper drive rod (41) and the lower drive rod (42), the other of the two being disposed with the first catch groove (421);

the first buckle groove (421) comprises an axial groove (421 a) and a radial groove (421 b) which are communicated with each other, the front end part of the first buckle (411) penetrates through the axial groove (421 a) and then is clamped into the radial groove (421 b), and the front end part of the first buckle (411) is pressed to enable the first buckle (411) to be separated from the first buckle groove (421) so as to enable the first buckle assembly to be unlocked.

3. The disposable cleaning brush according to claim 2, characterized in that the upper housing (31) is plugged with the lower housing (32).

4. The disposable cleaning brush as defined in claim 3, wherein the outer diameter of the upper end of the lower housing (32) is smaller than the inner diameter of the lower end of the upper housing (31) to enable the upper end of the lower housing (32) to be inserted into the upper housing (31).

5. The disposable cleaning brush of claim 4, wherein the lower housing (32) is further snap-fit connected by a second snap-fit assembly after being plugged into place with the upper housing (31).

6. The disposable cleaning brush of claim 5, wherein the second fastening component comprises a second fastening (321) and a second fastening groove (311), the second fastening (321) is disposed on the lower housing (32), the upper housing (31) is provided with the second fastening groove (311), and the second fastening groove (311) is a through groove;

the front end of the second buckle (321) is clamped into the second buckle groove (311) so as to buckle the second buckle component, and the front end of the second buckle (321) is pressed to enable the second buckle (321) to be separated from the second buckle groove (311) so as to unlock the second buckle component.

7. The disposable cleaning brush of claim 6, wherein the radial groove (421 b) is opposite to the notch of the second catching groove (311) when the first and second catching assemblies are snap-coupled, and the first catch (411) is carried along to simultaneously trip the first and second catching assemblies when the front end portion of the second catch (321) is pressed.

8. The disposable cleaning brush of claim 7, wherein a front end portion of the first catch (411) is roundabout toward a rear end portion so that the first catch (411) is integrally formed in a hook-like structure.

9. The disposable cleaning brush according to any of claims 1-8, wherein the upper housing (31) is further provided with a drive control for controlling the upper drive rod (41) to perform a telescopic movement.

10. The disposable cleaning brush of claim 9, wherein the upper housing (31) is provided with a communication hole, the driving control member is a driving button (70) movably disposed on the upper housing (31), and the driving button (70) is in transmission connection with the upper driving rod (41) through the communication hole.

11. The disposable cleaning brush of any of claims 1-8, 10 wherein the brush handle (20) is further provided with a resilient return member (60) for returning the upper drive rod (41) and the lower drive rod (42) and maintaining the grip assembly (50) in a state of gripping the brush head (10).

12. The disposable cleaning brush of claim 11, characterized in that the elastic return member (60) is located inside the upper housing (31) and is connected between the upper driving rod (41) and the inner wall of the upper housing (31).

13. The disposable cleaning brush of claim 12, wherein the elastic restoring member (60) is a compression spring sleeved on the upper end of the upper driving rod (41), an abutting flange (412) for limiting the compression spring is further arranged on the outer wall of the upper driving rod (41), and the other end of the compression spring abuts against the top wall of the upper housing (31).

14. The disposable cleaning brush according to any of claims 1 to 8, 10, 12 and 13, wherein the upper driving rod (41) is provided on its outer wall with a limit flange (413) for limiting the upper driving rod (41) from swinging in the radial direction.

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