CN218682730U - Disposable cleaning brush - Google Patents

Abstract

The application provides a disposable cleaning brush, which comprises a brush head, a brush handle and a first clamping piece for mounting the brush head, and is characterized in that the brush handle comprises an upper shell and a lower shell which are arranged separately, and an upper telescopic shaft and a lower telescopic shaft which are respectively positioned in the upper shell and the lower shell, wherein the lower end of the lower telescopic shaft is connected with the first clamping piece; the upper shell and the lower shell can be in butt joint, the upper telescopic shaft and the lower telescopic shaft are fixedly connected through a second clamping piece, and the upper telescopic shaft can drive the lower telescopic shaft through stretching so as to drive the first clamping piece 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 part of the brush handle to control the telescopic shaft, 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 when being released, so that the use sanitation and the health of the user are ensured.

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, a disposable cleaning brush is available on the market. Such cleaning brushes have a brush handle and a brush head which is connected or disconnected by a clamping device on the brush 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 to be split in the prior art, and the requirement of miniaturization of product packaging can be met. However, the prior art has provided the operating means for operating the clamping means in the lower part of the handle, which results in a user not being convenient and hygienic to operate.

SUMMERY OF THE UTILITY MODEL

The application provides a formula cleaning brush can throw, has carried out the split through the telescopic shaft with shell and shell inside, and the shell is connected through telescopic shaft accessible second clamping piece when the butt joint to make the user can dismantle the brush head in the upper portion of brush holder and control, in order to solve among the prior art control when the brush head is dismantled convenient and sanitary technical problem inadequately.

The application provides a disposable cleaning brush, which comprises a brush head, a brush handle and a first clamping piece for mounting the brush head, and is characterized in that the brush handle comprises an upper shell and a lower shell which are arranged separately from each other, and an upper telescopic shaft and a lower telescopic shaft which are respectively positioned in the upper shell and the lower shell, wherein the lower end of the lower telescopic shaft is connected with the first clamping piece;

the upper shell and the lower shell can be in butt joint, the upper telescopic shaft and the lower telescopic shaft are fixedly connected through a second clamping piece, and the upper telescopic shaft can drive the lower telescopic shaft through stretching so as to drive the first clamping piece to clamp or release the brush head.

Compared with the prior art, the throwable cleaning brush in the application is not only limited to the shell to the split of brush holder, has still also carried out corresponding split to the telescopic shaft of shell inside to accessible second clamping piece fixed connection can come to control first clamping piece through last telescopic shaft after realizing connecting, makes the user can control in the upper portion branch of brush holder from this. Compared with the prior art, when the brush head needs to be released after the cleaning brush is used, a user does not need to move the hand to the lower part of the brush handle to control the telescopic shaft, so that the use convenience of the user is improved; meanwhile, the hand of the user is always positioned at the upper part 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 second clamping piece is arranged on one of the upper telescopic shaft and the lower telescopic shaft, and the connecting head is arranged on the other of the upper telescopic shaft and the lower telescopic shaft;

the second clamping piece comprises a plurality of clamping jaws which are movably arranged, and when the connector extends into the plurality of clamping jaws, the clamping jaws can clamp the connector so that the upper telescopic shaft is fixedly connected with the lower telescopic shaft.

In a possible design, the clamping jaw includes two, the connector is cake column structure, two the opposite face of clamping jaw have with the corresponding constant head tank of cake structure.

In one possible design, the front end of the clamping jaw has a first guiding inclined surface for the sliding of the connector, and the first guiding inclined surface gradually inclines towards the positioning groove along the insertion direction of the connector.

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 inserted into the upper housing;

the second clamping piece is arranged on the lower telescopic shaft, and the connector is arranged on the upper telescopic shaft;

the confession is seted up to the upper end of lower shell dodge the groove that stretches out the outer end of clamping jaw, work as go up the shell with the shell is pegged graft down just the clamping jaw presss from both sides tightly during the connector, the inner wall of going up the shell will the clamping jaw supports tightly, and then prevents the connector follow two deviate from between the clamping jaw.

In a possible design, the outer end of the clamping jaw has a second guiding inclined surface for sliding the lower end of the upper shell, and the second guiding inclined surface gradually protrudes outwards from the outer wall surface of the lower shell along the insertion direction of the connector.

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

In a possible design, the fastening assembly includes a fastener and a fastening groove, the fastener is disposed on the lower housing, the fastening groove is disposed on the upper housing, and the front end of the fastener is fastened into the fastening groove to fasten the fastening assembly.

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

In a possible design, a communicating hole is formed in the upper shell, the operating part is a driving button movably arranged on the upper shell, and the driving button is in transmission connection with the upper telescopic shaft through the communicating hole.

In a possible design, the brush handle is further provided with a resetting member for resetting the upper telescopic shaft and the lower telescopic shaft and keeping the first clamping member in a state of clamping the brush head.

In one possible design, the reset member is located within the upper housing and is connected between the upper telescoping shaft and the inner wall of the upper housing.

In a possible design, the piece that resets is located for the cover go up the pressure spring of telescopic shaft upper end, just still have on going up the telescopic shaft outer wall and be used for right the pressure spring carries out spacing butt flange, the other end of pressure spring with the roof of going up the shell offsets.

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

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 an enlarged view at A in FIG. 3;

FIG. 5 is a schematic view of the upper telescoping shaft of FIG. 4 after connection with the lower telescoping shaft;

FIG. 6 is a schematic view of a second clamp provided by embodiments of the present application;

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 attachment;

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 of FIG. 9;

FIG. 11 is a schematic view of a first clamp provided by an embodiment of the present application.

Reference numerals: 10. a brush head; 20. a brush handle; 31. an upper housing; 311. buckling grooves; 32. a lower housing; 321. buckling; 322. an avoidance groove; 323. a guide groove; 41. an upper telescopic shaft; 411. a connector; 412. an abutment flange; 413. a limiting flange; 42. a lower telescopic shaft; 421. a second clamping member; 421a, a clamping jaw; 421b, a positioning groove; 421c, a first guiding inclined plane; 421d, a second guiding inclined plane; 50. a first clamping member; 51. a clamp arm; 52. a guide post; 60. a 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, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. 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, when used in the orientation or positional relationship indicated in FIG. 1, are used solely for the purpose of facilitating a description of the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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.

A disposable cleaning brush in the prior art is provided with a brush handle, a brush head, a clamping device and an operating device, and a user controls the clamping device to open and close through the operating device, so that the function of clamping or releasing the brush head is realized.

However, the disposable cleaning brush in the prior art is designed to be detached from the housing of the brush handle, and is not detached from the control device, so that the control device can only be disposed on the section of the brush handle with the clamping device, that is, the control device can only be disposed at the lower portion of the brush handle, if a user needs to discard the brush head after the cleaning use is completed, the user needs to move the hand to the lower portion of the brush handle to control the control device, thereby causing the user to be inconvenient to operate, in addition, the control device is disposed at the lower portion and still causes the brush head to be too close to the lower portion, when the user operates and discards the brush head, the brush head dropped from the brush handle can sputter the dirt on the user's hand, and the use is not sanitary and healthy enough.

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. Figure 3 is an exploded view of the handle 20 provided by the embodiment of the present application.

As shown in fig. 1 to 3, the present embodiment provides a disposable cleaning brush, which includes a brush head 10, a brush handle 20, and a first clamping member 50 for mounting the brush head 10, wherein the brush handle 20 includes an upper housing 31 and a lower housing 32 separately provided from each other, and an upper telescopic shaft 41 and a lower telescopic shaft 42 respectively located inside the upper housing 31 and the lower housing 32, and a lower end of the lower telescopic shaft 42 is connected to the first clamping member 50. The upper housing 31 and the lower housing 32 can be butted, the upper telescopic shaft 41 and the lower telescopic shaft 42 are fixedly connected through the second clamping piece 421, and the lower telescopic shaft 42 can be driven by the telescopic upper telescopic shaft 41 to drive the first clamping piece 50 to clamp or release the brush head 10.

The disposable cleaning brush in the embodiment of the application, the brush handle 20 is split into an upper part and a lower part, wherein the upper part is an upper shell 31 and an upper telescopic shaft 41 which can be stretched in the upper shell 31, the lower part is a lower shell 32 and a lower telescopic shaft 42 which can be stretched in the lower shell 32, when the disposable cleaning brush is used, the upper part and the lower part are butted, the upper shell 31 and the lower shell 32 can be connected together in a plugging and buckling mode, and the upper telescopic shaft 41 and the lower telescopic shaft 42 are fixedly connected through a second clamping piece 421, so that when a user pulls or pushes down the upper telescopic shaft 41 to extend in the upper shell 31, the lower telescopic shaft 42 can be synchronously driven to stretch in the lower shell 32, and further the first clamping piece 50 is driven to move to clamp or release the brush head 10.

Optionally, when the first clamping member 50 is operated by the upper telescopic shaft 41, the control logic is not limited, that is, when the upper telescopic shaft 41 is pulled up, the first clamping member 50 can be driven to perform the clamping action or the releasing action, and when the upper telescopic shaft 41 is pushed down, the first clamping member 50 can be driven to perform the reverse action corresponding to the above. This may be achieved by a particular design or selection of the first clamping member 50.

Compared with the prior art, the disposable cleaning brush in the embodiment of the application is not limited to the shell, and is also correspondingly disassembled for the telescopic shaft inside the shell, and can be fixedly connected with the second clamping piece 421, so that the first clamping piece 421 can be controlled by the upper telescopic shaft 41 after the connection is realized, and therefore a user can control the upper part of the brush handle 20. Compared with the prior art, when the brush head 10 needs to be released after the cleaning brush is used, a user does not need to move the hand to the lower part of the brush handle 20 to control the telescopic shaft, so that the use convenience of the user is improved; meanwhile, the hand of the user is always positioned at the upper part 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, thereby ensuring the use sanitation and the health of the user.

As mentioned above, the user can operate the upper telescopic shaft 41 to make the first clamping member 50 clamp or release the brush head 10, which can be realized by: the upper telescopic shaft 41 may be extended to extend to the upper end surface of the upper housing 31, and a user may grip the extended end of the upper telescopic shaft 41 to extend and retract the upper telescopic shaft 41 inside the upper housing 31 in a manner similar to a hand-held pump, thereby causing the first clamping member 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 telescopic shaft 41 is bent and then extends out of the strip-shaped groove, and a user holds the bent portion of the upper telescopic shaft 41 to extend and retract the upper telescopic shaft 41 inside the upper housing 31 in a manner similar to the operation of loading a bolt, so that the first clamping member 50 performs corresponding clamping or releasing actions.

Alternatively, the structures of the upper housing 31 and the lower housing 32 may be a cylindrical closed structure, a frame-shaped structure with a hollow portion, or a hollow frame-shaped structure. Further, the sectional shapes of the upper and lower housings 31 and 32 may be circular, elliptical, rectangular, trapezoidal, and the like.

Optionally, the upper housing 31 and the lower housing 32 may be connected by a snap 321, a magnetic attraction connection, a screw connection, an adhesive, a hot melt connection, or the like.

Fig. 4 is an enlarged view of a point a in fig. 3. Fig. 5 is a schematic view of fig. 4 with the upper telescopic shaft 41 and the lower telescopic shaft 42 connected.

As shown in fig. 4 and 5, in one embodiment, a second clamping member 421 is provided on one of the upper telescopic shaft 41 and the lower telescopic shaft 42, and a connecting head 411 is provided on the other of the upper telescopic shaft and the lower telescopic shaft; the second clamping member 421 includes a plurality of clamping jaws 421a movably disposed, and when the connecting head 411 extends between the plurality of clamping jaws 421a, the clamping jaws 421a can clamp the connecting head 411 so as to fixedly connect the upper telescopic shaft 41 and the lower telescopic shaft 42.

In the present embodiment, the specific structure of the second clamping member 421 is defined: the second clamping member 421 includes a plurality of clamping jaws 421a movably disposed, and when the connecting head 411 extends between the plurality of clamping jaws 421a, the clamping jaws 421a can clamp the connecting head 411 so as to fixedly connect the upper telescopic shaft 41 and the lower telescopic shaft 42.

Furthermore, the base of the arrangement of the second clamping piece 421 and the connection head 411 can be interchanged, i.e. the upper telescopic shaft 41 has the connection head 411, while the lower telescopic shaft 42 is provided with the second clamping piece 421; it is also possible that the upper telescopic shaft 41 is provided with a second clamping member 421 and the lower telescopic shaft 42 is provided with a coupling head 411.

Alternatively, the connection head 411 and the upper telescopic shaft 41 or the lower telescopic shaft 42 may be integrally formed, that is, the connection head 411 is a part of the upper telescopic shaft 41 or the lower telescopic shaft 42.

In addition, the movable clamping jaw 421a in this embodiment means that the plurality of clamping jaws 421a can move relatively or away from each other, for example, when the connector 411 is inserted between the plurality of clamping jaws 421a, the clamping jaw 421a is opened by the connector 411 and moves away from each other, and after the connector 411 is inserted, the clamping jaw 421a moves relatively by means of external force or self elastic restoring force, so as to embrace the connector 411, thereby forming the purpose that the clamping jaw 421a clamps the connector 411.

Alternatively, the second clamping member 421 may include two hinged clamping jaws 421a and a torsion spring, where the hinged part of the clamping jaw 421a has the torsion spring, and the elastic restoring force of the torsion spring causes the clamping jaw 421a to clamp the connecting head 411.

In addition, there are various ways in which the second clamping member 421 clamps the connecting head 411, and the connecting head 411 may be clamped only by the elastic restoring force of the clamping jaw 421a itself; when the elastic restoring force of the clamping jaw 421a is not enough to clamp, the inner wall of the upper shell 31 or the lower shell 32 can assist in abutting against the clamping jaw 421a to clamp the connecting head 411; it is also possible to clamp the connection head 411 by pressing the jaw 421a against the inner wall of the upper case 31 or the lower case 32 in a state where the jaw 421a does not have elastic restoring force at all. The details will be described in the following examples.

Alternatively, the cross-sectional shape of the connection head 411 may be a triangle, trapezoid, circle, ellipse, or the like. The three-dimensional structure of the connecting head 411 may be a polygonal pyramid.

Fig. 6 is a schematic view of a second clamping member 421 provided in an embodiment of the present application.

As shown in fig. 6, in one embodiment, the two clamping jaws 421a include two connecting heads 411 having a pie-shaped structure, and the opposite surfaces of the two clamping jaws 421a have positioning grooves 421b corresponding to the pie-shaped structure.

As mentioned above, the second clamping member 421 has a plurality of ways for clamping the connecting head 411, specifically, in this embodiment, the second clamping member 421 includes two clamping jaws 421a formed integrally, the connecting head 411 is in a pie structure, the opposite surfaces of the two clamping jaws 421a have positioning grooves 421b corresponding to the pie structure, the distance between the ends of the two clamping jaws 421a is smaller than the width of the connecting head 411, and when the upper telescopic shaft 41 is abutted to the lower telescopic shaft 42, the connecting head 411 opens the two clamping jaws 421a and slides into the positioning grooves 421b.

At this time, the clamping jaw 421a is in a deformed state, and clamps the connector 411 by the elastic restoring force of the clamping jaw; alternatively, when the holding jaw 421a is in the deformed state, the connecting head 411 is prevented from being removed by the frictional resistance of the positioning groove 421b to the connecting head 411.

As shown in fig. 6, in one embodiment, the front end of the clamping jaw 421a has a first guiding inclined surface 421c for the connection head 411 to slide, and the first guiding inclined surface 421c gradually inclines towards the positioning slot 421b along the insertion direction of the connection head 411.

In order to smoothly insert the connection head 411 between the two jaws 421a when the upper telescopic shaft 41 and the lower telescopic shaft 42 are butted against each other, in the present embodiment, the front end of the jaw 421a is provided with a first guide slope 421c, and the first guide slope 421c gradually inclines toward the positioning groove 421b along the insertion direction of the connection head 411.

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 a buckle 321, a magnetic attraction, a thread, an adhesive, a hot melt, 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. 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. 7 to 10, 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; the second clamping piece 421 is arranged on the lower telescopic shaft 42, and the connecting head 411 is arranged on the upper telescopic shaft 41; the upper end of the lower housing 32 is provided with an avoiding groove 322 for extending the outer end of the clamping jaw 421a, when the upper housing 31 is inserted into the lower housing 32 and the clamping jaw 421a clamps the connector 411, the inner wall of the upper housing 31 tightly supports the clamping jaw 421a, thereby preventing the connector 411 from being pulled out from between the two clamping jaws 421 a.

As described above, when the elastic restoring force of the clamping jaw 421a is not enough to clamp the connecting head 411, the clamping jaw 421a may be assisted by the inner wall of the upper housing 31 or the lower housing 32 to clamp the connecting head 411. That is, in this embodiment, the second clamping member 421 is disposed on the lower telescopic shaft 42, the connector 411 is disposed on the upper telescopic shaft 41, the upper end of the lower housing 32 can be inserted into the upper housing 31, the upper end of the lower housing 32 is further provided with an avoiding groove 322 for extending the outer end of the clamping jaw 421a, when the upper housing 31 is inserted into the lower housing 32 and the clamping jaw 421a clamps the connector 411, the outer end of the clamping jaw 421a is now flush with the notch of the avoiding groove 322, the clamping jaw 421a is tightly supported by the inner wall of the upper housing 31, and the connector 411 is further prevented from being disengaged from between the two clamping jaws 421 a.

In this embodiment, the clamping connection head 411 of the clamping jaw 421a provides a further guarantee, and the inner wall of the upper shell 31 limits the clamping jaw 421a to prevent the clamping jaw 421a from opening and the connection head 411 from being disengaged, so that the connection strength between the upper telescopic shaft 41 and the lower telescopic shaft 42 is improved, and the working stability of the operating device is ensured.

In addition, the plug structure of the lower shell 32 and the upper shell 31 is simple and easy to process, the upper shell 31 and the lower shell 32 can have enough connection area, and the connection strength of the upper shell 31 and the lower shell 32 is also ensured.

As shown in fig. 6, in one embodiment, the outer end of the clamping jaw 421a has a second guiding inclined plane 421d for sliding the lower end of the upper shell 31, and the second guiding inclined plane 421d gradually protrudes out of the outer wall surface of the lower shell 32 along the insertion direction of the connecting head 411.

As described above, in the case where the clamping jaw 421a does not have the elastic restoring force at all, the connecting head 411 is clamped by pressing the clamping jaw 421a by the inner wall of the upper housing 31 or the lower housing 32. That is, in this embodiment, the outer end of the clamping jaw 421a has a second guiding inclined surface 421d for the lower end of the upper housing 31 to slide, and the second guiding inclined surface 421d gradually protrudes outward from the outer wall surface of the lower housing 32 along the insertion direction of the connecting head 411. Before butt joint assembly, the outer ends of the clamping jaws 421a extend out of the avoiding groove 322 and protrude out of the outer wall surface of the lower shell 32, the lower end of the upper shell 31 is sleeved towards the upper end of the lower shell 32, and the upper shell 31 presses the two clamping jaws 421a to move relatively along the second guide inclined surface 421d, so that the two clamping jaws 421a tightly hold the connecting head 411.

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

In this embodiment, on the basis of the insertion structure of the upper housing 31 and the lower housing 32, a snap assembly is further added to enhance the connection strength of the upper housing 31 and the lower housing 32.

Specifically, the 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 being separated in the axial direction; the snap assembly also circumferentially limits the connection between the upper shell 31 and the lower shell 32, and prevents relative rotation between the upper shell 31 and the lower shell 32.

In the present embodiment, the specific structure of the 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 fastening assembly includes a fastening 321 and a fastening slot 311, the fastening 321 is disposed on the lower shell 32, the fastening slot 311 is opened on the upper shell 31, and a front end of the fastening 321 is fastened in the fastening slot 311 to fasten the fastening assembly.

In the embodiment, the specific structure of the buckle assembly is limited, and the buckle assembly is simple in structure and easy to implement.

As shown in fig. 3, in an embodiment, the upper housing 31 is further provided with a control member for controlling the upper telescopic shaft 41 to perform telescopic movement.

As mentioned above, the user can control the upper telescopic shaft 41 to make the first clamping member 50 clamp or release the brush head 10, and the specific implementation manner can be an extended end or a bent part of the upper telescopic shaft 41, and the extended end or the bent part is a control part.

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

As shown in fig. 3, in one embodiment, the upper housing 31 is provided with a communication hole, the operating 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 telescopic shaft 41 through the communication hole.

In this embodiment, there are two ways for the driving button 70 to drive the upper telescopic shaft 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 telescopic shaft 41, and the user drives the upper telescopic shaft 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 is slidable along the axial direction of the communication hole, the bottom of the driving button 70 is slidably connected to the upper telescopic shaft 41 through a guide slope, and the user presses the upper telescopic shaft 41 to extend and retract the driving button 70 when pressing it with the thumb.

As shown in fig. 3, in one embodiment, the brush handle 20 is further provided with a restoring member 60 for restoring the upper and lower telescopic shafts 41 and 42 and maintaining the first clamping member 50 in a state of clamping 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 exerting force for a long time to control the upper telescopic shaft 41 so as to enable the first clamping member 50 to keep the state of clamping the brush head 10, in the embodiment, the reset member 60 is additionally arranged on the brush handle 20, and the first clamping member 50 keeps the state of clamping the brush head 10 through the reset acting force of the reset member 60.

In one embodiment, reset element 60 is located within upper housing 31 and is coupled between upper telescoping shaft 41 and the inner wall of upper housing 31.

In other embodiments, reducing member 60 may also be coupled between lower telescoping shaft 42 and the inner wall of lower housing 32. Because the upper telescopic shaft 41 and the lower telescopic shaft 42 are fixedly connected through the second clamping member, the lower telescopic shaft 42 can drive the lower telescopic shaft 42 and the upper telescopic shaft 41 to reset under the resetting acting force of the resetting member 60.

FIG. 11 is a schematic view of a first clamping member 50 according to an embodiment of the present application.

As shown in fig. 11, in one embodiment, the first clamping member 50 mainly includes two hinged clamping arms 51, and guide posts 52 are respectively disposed on two opposite sides of each clamping arm 51. The lower housing 32 is formed with a plurality of guide grooves 323 corresponding to the plurality of guide posts 52, and two guide grooves 323 at each side of the lower housing 32 are in a shape of a "v". When the user extends and retracts the upper retracting shaft 41, the lower retracting shaft 42 is driven to extend and retract to act on the first clamping member 50, so that the clamping arms 51 are closed or opened under the combined action of the guide posts 52 and the guide grooves 323, and the clamping or releasing effect is achieved on the brush head 10.

In one embodiment, as shown in fig. 3, the restoring member 60 is a compression spring sleeved on the upper end of the upper telescopic shaft 41, and the outer wall of the upper telescopic shaft 41 further has an abutting flange 412 for limiting the compression spring, and the other end of the compression spring abuts against the top wall of the upper housing 31.

As previously mentioned, the first clamping member 50 of the present application primarily cooperates with the guide post 52 and the guide slot 323 to cause the clamping arms 51 to close or open, thereby providing a clamping or releasing effect on the brush head 10. And it can be derived from the design of the guide column 52 and the guide groove 323 that the first clamping element 50 forms a grip on the brush head 10 when the clamping arm 51 tends to extend. Therefore, in this embodiment, the restoring member 60 is selected to be a compression spring, and the restoring member 60 pushes the upper telescopic shaft 41 and the lower telescopic shaft 42 outwards in a natural state, so that the clamping arm 51 is extended.

Further, an abutment flange 412 for limiting the pressure spring is further provided on the outer wall of the upper telescopic shaft 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 one embodiment, the outer wall of the upper telescopic shaft 41 is provided with a limiting flange 413 for limiting the upper telescopic shaft 41 from swinging in the radial direction.

In this embodiment, in order to improve the operation stability of the upper telescopic shaft 41 and prevent the upper telescopic shaft 41 from being inclined and locked, a limit flange 413 for limiting the upper telescopic shaft 41 from swinging in the radial direction is provided on the outer wall of the upper telescopic shaft 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 (15)

1. A disposable cleaning brush comprising a brush head (10), a brush handle (20) and a first clamping member (50) for mounting the brush head (10), characterized in that the brush handle (20) comprises an upper shell (31) and a lower shell (32) which are separately arranged from each other, and an upper telescopic shaft (41) and a lower telescopic shaft (42) which are respectively positioned inside the upper shell (31) and the lower shell (32), and the lower end of the lower telescopic shaft (42) is connected with the first clamping member (50);

the upper shell (31) and the lower shell (32) can be in butt joint, the upper telescopic shaft (41) and the lower telescopic shaft (42) are fixedly connected through a second clamping piece (421), and the upper telescopic shaft (41) can be stretched to drive the lower telescopic shaft (42) so as to drive the first clamping piece (50) to clamp or release the brush head (10).

2. The disposable cleaning brush of claim 1, wherein one of the upper telescopic shaft (41) and the lower telescopic shaft (42) is provided with the second clamping member (421), and the other is provided with a connecting head (411);

second clamping piece (421) are including a plurality of clamping jaws (421 a) that the activity set up, work as connector (411) stretch into a plurality of when clamping jaw (421 a) between, clamping jaw (421 a) can press from both sides thereby connector (411) make go up telescopic shaft (41) with telescopic shaft (42) fixed connection down.

3. The disposable cleaning brush of claim 2, wherein the two holding jaws (421 a) are provided, the connecting head (411) has a pie-shaped structure, and the opposite surfaces of the two holding jaws (421 a) have positioning grooves (421 b) corresponding to the pie-shaped structure.

4. The disposable cleaning brush according to claim 3, wherein the front end of the jaw (421 a) has a first guide slope (421 c) for the connection head (411) to slide, the first guide slope (421 c) being gradually inclined toward the positioning groove (421 b) along the insertion direction of the connection head (411).

5. The disposable cleaning brush of any of claims 2 to 4, characterized in that the upper housing (31) is plugged with the lower housing (32).

6. The disposable cleaning brush of claim 5, 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);

the second clamping piece (421) is arranged on the lower telescopic shaft (42), and the connecting head (411) is arranged on the upper telescopic shaft (41);

the confession has been seted up to the upper end of lower shell (32) dodge groove (322) that the outer end of clamping jaw (421 a) stretches out, works as go up shell (31) with lower shell (32) are pegged graft just clamping jaw (421 a) press from both sides when connector (411), the inner wall of going up shell (31) will clamping jaw (421 a) support tightly, and then prevent connector (411) follow two deviate from between clamping jaw (421 a).

7. The disposable cleaning brush according to claim 6, wherein the outer end of the jaw (421 a) has a second guide slope (421 d) for the lower end of the upper housing (31) to slide, the second guide slope (421 d) gradually protruding outward from the outer wall surface of the lower housing (32) in the insertion direction of the connection head (411).

8. The disposable cleaning brush of claim 6 or 7, characterized in that the lower housing (32) is further snap-connected by a snap-on assembly after being plugged into place with the upper housing (31).

9. The disposable cleaning brush of claim 8, wherein the latch assembly comprises a latch (321) and a latch slot (311), the latch (321) is disposed on the lower housing (32), the latch slot (311) is opened on the upper housing (31), and a front end of the latch (321) is latched into the latch slot (311) to latch the latch assembly.

10. A disposable cleaning brush according to any of claims 1-4, 6-7, 9, wherein said upper housing (31) is further provided with an operating member for operating said upper telescopic shaft (41) for telescopic movement.

11. The disposable cleaning brush of claim 10, wherein the upper housing (31) is provided with a communication hole, the operation 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 telescopic shaft (41) through the communication hole.

12. The disposable cleaning brush of any of claims 1-4, 6-7, 9, 11 wherein the brush handle (20) is further provided with a restoring member (60) for restoring the upper and lower telescopic shafts (41, 42) and maintaining the first clamping member (50) in a state of clamping the brush head (10).

13. The disposable cleaning brush of claim 12, wherein the return member (60) is located within the upper housing (31) and is connected between the upper telescopic shaft (41) and an inner wall of the upper housing (31).

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

15. The disposable cleaning brush of any of claims 1 to 4, 6 to 7, 9, 11, 13 to 14, wherein a limit flange (413) for limiting the upper telescopic shaft (41) from swinging in a radial direction is provided on an outer wall of the upper telescopic shaft (41).

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