CN215874435U

CN215874435U - Window brush with replaceable wiping head

Info

Publication number: CN215874435U
Application number: CN202022557320.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Ningbo Deruntang Intelligent Technology Co Ltd
Current assignee: Ningbo Deruntang Intelligent Technology Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2022-02-22
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a window brush with a replaceable scraping brush head, which comprises a telescopic rod piece with adjustable length and a scraping brush head arranged at the lower end of the telescopic rod piece; the method is characterized in that: the scraping brush head comprises an installation part for installing a cleaning component and a handle part positioned at the rear part of the installation part, and the handle part is connected with the telescopic rod piece through a detachable connecting structure. When a window with a higher height needs to be cleaned, the handle part of the scraping brush head is arranged on the telescopic rod piece, and the telescopic rod piece is held by hand for operation; when a short window or a cleaning table needs to be hung with a brush, only the handle part of the scraping brush head needs to be taken down from the telescopic rod piece, and the handle part is held by a hand to carry out cleaning operation; the connecting pipe provided with the detachable connecting structure is assembled on the telescopic rod piece as a module, so that the assembly is more convenient and humanized; in addition, only the scraping brush head needs to be replaced after the scraping brush head is damaged, so that the use cost is reduced, and the environment is protected.

Description

Window brush with replaceable wiping head

Technical Field

The utility model relates to a glass window cleaning brush, in particular to a window brush with a replaceable hanging brush head.

Background

Traditional window brush is fixed with the hanging strip including handheld portion and head on, the head, and handheld portion is generally comparatively short and small, and is inconvenient to some higher windows of height to hang the brush cleanness. Such a window brush is disclosed in, for example, chinese utility model patent nos. CN200320108977.2 (No. CN2662816Y) and CN201320402423.7 (No. CN 203314879U).

The handle that also some are length telescopic pole, just conveniently cleans the higher window of height, nevertheless because of the handle is very long, is inconvenient to hang the brush to short window or clean bench. The chinese utility model patent with patent number CN201721718794.0 (publication number CN207639857U) discloses such a telescopic curved-rod window brush.

The existing two window brushes have the advantages and disadvantages respectively, so that the window brush can be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a window brush with a replaceable brush hanging head, which can be used for conveniently cleaning a higher glass window and a lower glass window or a cleaning table, and has the advantages of more reasonable and simple structure and convenient assembly.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a window brush with a replaceable scraping brush head comprises a telescopic rod piece with adjustable length and a scraping brush head arranged at the lower end of the telescopic rod piece; the method is characterized in that: the wiping head comprises an installation part for installing a cleaning part and a handle part which is positioned at the rear part of the installation part and used for holding, and the handle part is connected with the telescopic rod piece through a detachable connecting structure.

In a further improvement, the lower end of the telescopic rod piece is also inserted with a connecting pipe, and the detachable connecting structure is arranged between the connecting pipe and the handle part. The connecting pipe at the lower end of the telescopic rod piece can be arranged in the connecting pipe in advance with the detachable connecting structure, and then the connecting pipe provided with the detachable connecting structure is assembled on the telescopic rod piece as a module, so that the assembly is more convenient and humanized.

The detachable connecting structure comprises an elastic buckle part directly or indirectly installed in the lower end of the telescopic rod piece, at least one pair of clamping pins is arranged on the elastic buckle part, the handle part is provided with a jack for inserting the elastic buckle part, clamping holes for clamping the clamping pins of the elastic buckle part are formed in the peripheral wall of the jack, the elastic buckle part is inserted into the jack when locked, and the clamping pins of the elastic buckle part are clamped in the clamping holes, so that the scraping head and the telescopic rod piece can be detachably connected. The mode of buckle has simple structure and does benefit to the advantage of operation.

The telescopic rod piece is further improved, the trigger part capable of sliding axially is arranged on the telescopic rod piece, the trigger part keeps moving upwards under the action of a spring, the trigger part moves downwards to push the elastic buckle part to deform towards the folding direction, and the clamping pin of the elastic buckle part is separated from the clamping hole, so that the scraping brush head can be separated from the telescopic rod piece. The unlocking can be realized by pushing the trigger component, and the operation is more convenient.

Further improve, above-mentioned elastic buckle part is including being used for installing the connecting portion in the telescopic member, and the lower extreme of connecting portion has the shell fragment portion that two left and right intervals set up, shell fragment portion has the first slope section of flare-out, changeover portion and the second slope section of contracting in proper order from top to bottom, and the second slope section of two shell fragment portions links together, be equipped with on the changeover portion the card foot, trigger part restraint is on connecting portion, the spring is located in the connecting portion, trigger part moves down the extrusion first slope section is to the internal contraction deformation. The end-to-end connection of two elastic parts is in the same place, increase the intensity of shell fragment portion, difficult fracture, the setting up of first slope section makes moving down of trigger part change and promote the unblock that contracts in the shell fragment portion, the setting up of second slope section is changed and is changed in the jack that shell fragment portion inserted handle portion and make its lower extreme contract and warp, make the card foot of elasticity buckle part block people's card hole more easily, the setting up of connecting portion makes things convenient for elasticity buckle part to install in the telescopic member, also provide suitable installation position for trigger part and spring.

As the improvement, above-mentioned trigger part is the push pedal that the restraint can axially slide in the anterior guide way of connecting portion, and the lower part both sides of push pedal have the promotion portion that extends backward and lie in the connecting portion left and right sides, and the rear portion of push pedal has the spring holder of backward extension, be equipped with the spring mounting chamber on the connecting portion, the spring holder stretches into the spring mounting intracavity, and the spring mounting intracavity is arranged in to the spring, and the upper end of spring supports and leans on the spring holder, and the lower extreme of spring supports and leans on the lower inner wall in spring mounting chamber, it turns round to be equipped with the push-button in the push pedal, should push away to turn round and show telescopic member and supply the people to operate the promotion the push pedal. The trigger part is simple in structure and beneficial to assembly.

Preferably, the telescopic rod comprises a first rod and a second rod inserted in the first rod and capable of sliding relatively to the axial direction, a locking structure for locking the first rod and the second rod relatively is arranged at the joint position of the first rod and the second rod, the first rod and the second rod can slide relatively when the locking structure is unlocked, the first rod and the second rod cannot slide relatively when the locking structure is locked, a connecting pipe is further inserted at the lower end of the second rod, and the detachable connecting structure is arranged between the connecting pipe and the handle portion. The structure can pre-install the elastic buckle part in the connecting pipe, and then assemble the connecting pipe provided with the elastic buckle part as a module on the second rod piece, so that the assembly is more convenient and humanized.

Preferably, the locking structure comprises a locking sleeve, a hoop sleeve and an operation knob, the locking sleeve is fixed at the lower end of the first rod piece, the lower end of the locking sleeve is provided with a plurality of pressing sheets which extend downwards and are arranged at intervals along the circumference, the pressing sheets are positioned on the periphery of the second rod piece, the hoop sleeve is axially restrained and sleeved on the periphery of the pressing sheets, and the hoop sleeve is provided with elastic mounting parts which extend forwards and are arranged at intervals; the operation knob is sleeved and restrained outside the elastic installation part, the bottom of the elastic installation part is provided with a bias part with gradually enlarged diameter, and the inner hole wall of the operation knob is provided with a bias surface matched with the bias part; the operation knob can be around self axis rotation to unblock and two positions of locking, is in the unblock position at operation knob, the elastic mounting portion is in the state of relaxing, and the second member can slide from top to bottom relatively first member axial, is in latched position at operation knob, the elastic mounting portion is in the state of compressing tightly for compress tightly the piece and hold the second member, the second member can not slide from top to bottom relatively first member axial. Other locking structures known in the art, such as those on a mop pole, may of course be used.

The operating knob is further improved, an operating rod extending outwards in the radial direction is arranged on the operating knob, and the operating rod can enable a user to rotate the operating knob more easily; the operation knob is characterized in that a circumferential limiting structure is arranged between the operation knob and the elastic mounting portion, the operation knob is located at an unlocking position, the circumferential limiting structure enables the operation knob to rotate only towards the locking position, the operation knob is located at the locking position, and the circumferential limiting structure enables the operation knob to rotate only towards the unlocking position. The setting of circumference limit structure can prevent the maloperation operation knob.

Further, the top of the inside of the operation knob is provided with a locking indicator plate, the locking indicator plate is constrained at the top of the elastic mounting portion and cannot rotate along with the operation knob, the locking indicator plate is provided with an unlocking position mark and a locking position mark, the operation rod rotates towards the unlocking position mark when the operation knob is in an unlocking position, and the operation rod rotates towards the locking position mark when the operation knob is in a locking position. The locking indicator plate enables a user to clearly know whether the locking state is achieved.

Compared with the prior art, the utility model has the advantages that: when a window with higher height needs to be cleaned, the handle part of the scraping brush head needs to be arranged on the telescopic rod piece through the detachable connecting structure, and the telescopic rod piece is held by hands to operate, so that the operating height is prolonged; when a short window or a cleaning table needs to be hung with a brush, only the handle part of the scraping brush head needs to be taken down from the telescopic rod piece, and the handle part is held by a hand to carry out cleaning operation; in addition, only the scraping brush head needs to be replaced after the scraping brush head is damaged, so that the use cost is reduced, and the environment is protected.

Drawings

FIG. 1 is a first perspective view of the embodiment of the present invention (the scraper head is connected to the telescopic rod);

FIG. 2 is a second perspective view of the embodiment of the present invention (the scraper head is connected to the telescopic rod);

FIG. 3 is a perspective view of the embodiment of the present invention (the scraping head is separated from the telescopic rod);

FIG. 4 is a partial cross-sectional view of an embodiment of the present invention taken along the axial direction;

FIG. 5 is a cross-sectional view of a locking feature portion of an embodiment of the present invention;

FIG. 6 is a schematic view of the connection state of the scraping brush head and the elastic buckle component in the embodiment of the utility model;

FIG. 7 is an exploded perspective view of the connection between the scraper head and the telescopic rod of the embodiment of the present invention;

FIG. 8 is an exploded perspective view of a locking feature in an embodiment of the utility model;

fig. 9 is a schematic perspective view of an operation knob according to an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 9, a preferred embodiment of the present invention is shown.

A window brush with a replaceable scraping brush head comprises a telescopic rod piece 1 with adjustable length and a scraping brush head 2 installed at the lower end of the telescopic rod piece 1.

The scraping brush head 2 comprises a mounting part 21 and a handle part 22 which is arranged at the rear part of the mounting part 21 and used for holding, a cleaning part is mounted on the mounting part 21, the cleaning part is not shown in the drawing, and the cleaning part can be a scraping strip, a brush block or brush hair. The handle part 22 and the telescopic rod 1 are connected together through a detachable connecting structure.

The detachable connecting structure comprises an elastic buckle part 3 directly or indirectly arranged in the lower end of the telescopic rod piece 1, the handle part 22 is provided with an insertion hole 221 for the elastic buckle part 3 to be inserted, a clamping hole 222 for clamping a clamping pin of the elastic buckle part 3 to be clamped is arranged on the peripheral wall of the insertion hole 221, the elastic buckle part 3 is inserted into the insertion hole 221 when the locking is carried out, and the clamping pin 33 of the elastic buckle part 3 is clamped to be clamped in the clamping hole 222, so that the scraping head 2 and the telescopic rod piece 1 can be detachably connected.

In order to facilitate unlocking operation, the telescopic rod 1 is provided with a trigger part capable of sliding axially, the trigger part keeps moving upwards under the action of the spring 4, the downward movement of the trigger part can push the elastic buckle part 3 to deform towards the folding direction, the clamping pin 33 of the elastic buckle part 3 is separated from the clamping hole 222, and then the scraping brush head 2 can be separated from the telescopic rod 1.

Elastic buckle part 3 is including being used for installing connecting portion 31 in the telescopic rod piece 1, and the lower extreme of connecting portion 31 has the shell fragment portion 32 that the interval set up about two, and shell fragment portion 32 has first slope section 321, changeover portion 322 that flare-out and the second slope section 323 that contracts in proper order from top to bottom, and changeover portion 322 sets up to be good with the level, and the second slope section 323 of two shell fragment portions 32 links together, be equipped with on the changeover portion 322 card foot 33, trigger part restraint are on connecting portion 31, and spring 4 locates in connecting portion 31, and trigger part moves down the extrusion first slope section 321 is the deformation of internal contraction.

Trigger part is the push pedal 5 that retrains internal energy axial slippage in connecting portion 31 front portion guide way, the lower part both sides of push pedal 5 have backward extension and lie in the promotion portion 51 of connecting portion 31 left and right sides, the rear portion of push pedal 5 has the spring holder 52 of backward extension, be equipped with spring mounting cavity 311 on connecting portion 31, spring holder 52 stretches into in the spring mounting cavity 311, spring 4 arranges spring mounting cavity 311 in, the upper end of spring 4 supports and leans on spring holder 52, the lower extreme of spring 4 supports and leans on the lower inner wall of spring mounting cavity 311, be equipped with on the push pedal 5 and push away and turn round 53, this push away to turn round 53 and show that telescopic member 1 supplies the people to operate the promotion the push pedal.

The telescopic rod member 1 comprises a first rod member 11 and a second rod member 12 which is inserted in the first rod member 11 and can slide relatively in the axial direction, a locking structure which locks the first rod member 11 and the second rod member 12 relatively is arranged at the joint position of the first rod member 11 and the second rod member 12, the first rod member 11 and the second rod member 12 can slide relatively when the locking structure is in an unlocking state, the first rod member 11 and the second rod member 12 cannot slide relatively when the locking structure is in a locking state, a connecting pipe 13 is further inserted at the lower end of the second rod member 12, a detachable connecting structure is arranged between the connecting pipe 13 and a handle part 22, namely, the elastic buckle component 3 is installed in the connecting pipe 13 and is equivalently indirectly installed at the lower end of the telescopic rod member 1, and the elastic buckle component 3 can also be directly installed at the lower end of the second rod member 12.

The locking structure comprises a locking sleeve 6, an anchor ear sleeve 7 and an operation knob 8, wherein the locking sleeve 6 is fixed at the lower end of a first rod piece 11, the lower end of the locking sleeve 6 is provided with a plurality of pressing sheets 61 which extend downwards and are arranged at intervals along the circumference, the pressing sheets 61 are positioned on the periphery of a second rod piece 12, the anchor ear sleeve 7 is axially restrained and sleeved on the periphery of the pressing sheets 61, and the anchor ear sleeve 7 is provided with elastic mounting parts 71 which extend forwards and are arranged at intervals; the operation knob 8 is sleeved and restrained outside the elastic mounting part 71, the bottom of the elastic mounting part 71 is provided with a biasing part 711 with gradually enlarged diameter, and the inner hole wall of the operation knob 8 is provided with a biasing surface 82 matched with the biasing part 711; the operation knob 8 can rotate to two positions of unlocking and locking around the axis of the operation knob 8, the operation knob 8 is located at the unlocking position, the elastic mounting portion 71 is located at the loosening state, the second rod piece 12 can axially slide up and down relative to the first rod piece 11, the operation knob 8 is located at the locking position, the elastic mounting portion 71 is located at the pressing state, the pressing piece is made to tightly hold the second rod piece 12, and the second rod piece 12 cannot axially slide up and down relative to the first rod piece 11.

Be equipped with the radial outside lever 81 that extends on the operation knob 8, be equipped with circumference limit structure between operation knob 8 and the resilient mounting portion 71, be in the unblock position at operation knob 8, circumference limit structure makes operation knob 8 can only rotate towards latched position direction, is in latched position at operation knob 8, circumference limit structure makes operation knob 8 can only rotate towards unlatched position direction.

The spacing structure of circumference is concrete, still opens the spacing groove 712 on the

resilient mounting portion

71, 8 inner walls of operation knob are equipped with two bellied spacing portions 83, and spacing portion 83 can be in spacing inslot 712 sideslip, is in the unblock position at operation knob 8, spacing portion 83 keeps off with resilient mounting portion 71's lateral wall and joins in marriage, is in latched position at operation knob 8, spacing portion 83 gets into in the spacing groove 712 and keeps off with the inside wall of spacing groove 711 and join in marriage.

The top in the operation knob 8 is provided with a locking indicator plate 9, the locking indicator plate 9 is constrained at the top of the elastic mounting part and cannot rotate along with the operation knob 8, an unlocking position mark 91 and a locking position mark 92 are arranged on the locking indicator plate 9, the operation knob 8 is in an unlocking position, the operation rod 81 rotates towards the unlocking position mark 91, the operation knob 8 is in a locking position, and the operation rod 81 rotates towards the locking position mark 92.

The working principle of the cleaning brush with the replaceable brush block in the embodiment is as follows:

when a window with a higher height is to be cleaned, the handle part 22 of the scraping brush head 2 is arranged on the telescopic rod piece 1 through the detachable connecting structure, and the telescopic rod piece 1 is held by hand to operate, so that the operating height is prolonged; when a short window or a cleaning table needs to be hung, the handle part 22 of the scraping brush head 2 is only required to be taken down from the telescopic rod piece 1, and the handle part 22 is held by hand for cleaning; in addition, only the scraping brush head 2 needs to be replaced after the scraping brush head 2 is damaged, so that the use cost is reduced, and the environment is protected.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims

1. A window brush with a replaceable scraping brush head comprises a telescopic rod piece (1) with adjustable length and a scraping brush head (2) arranged at the lower end of the telescopic rod piece (1); the method is characterized in that: scrape brush head (2) including installation department (21) that are used for installing clean part and be located installation department (21) rear portion and be used for holding handle portion (22) of taking, handle portion (22) with link together through detachable connection structure between telescopic rod piece (1).

2. The window brush with a replaceable wiping head of claim 1, wherein: the lower end of the telescopic rod piece (1) is also spliced with a connecting pipe (13), and the detachable connecting structure is arranged between the connecting pipe (13) and the handle part (22).

3. A wiper head replaceable window brush according to claim 1 or 2, wherein: the detachable connecting structure comprises an elastic buckle part (3) which is directly or indirectly installed at the lower end of the telescopic rod piece (1), at least one pair of clamping feet (33) is arranged on the elastic buckle part (3), the handle part (22) is provided with an insertion hole (221) for inserting the elastic buckle part (3), clamping holes (222) for clamping the clamping feet (33) of the elastic buckle part (3) are formed in the peripheral wall of the insertion hole (221), the elastic buckle part (3) is inserted into the insertion hole (221) during locking, and the clamping feet (33) of the elastic buckle part (3) are clamped into the clamping holes (222), so that the scraping head (2) and the telescopic rod piece (1) can be detachably connected.

4. A wiper head replaceable window brush as defined in claim 3 wherein: the telescopic rod piece (1) is provided with a trigger part capable of sliding axially, the trigger part keeps moving upwards under the action of a spring (4), the trigger part moves downwards to push the elastic buckle part (3) to deform towards the folding direction, a clamping pin (33) of the elastic buckle part (3) is separated from a clamping hole (222), and then the scraping brush head (2) can be separated from the telescopic rod piece (1).

5. The window brush of claim 4 having a replaceable wiping head, wherein: elasticity buckle part (3) have the second slope section (323) of first slope section (321), changeover portion (322) and the internal contraction that two left and right intervals set up including being used for installing connecting portion (31) in telescopic rod piece (1), the lower extreme of connecting portion (31), second slope section (323) that first slope section (321), changeover portion (322) that have the flare-out from top to bottom in proper order, the second slope section (323) of two bullet piece portions (32) link together, be equipped with on changeover portion (322) card foot (33), trigger part retrains on connecting portion (31), spring (4) are located in connecting portion (31), trigger part moves down the extrusion first slope section (321) inwards shrink and warp.

6. The window brush of claim 5 having a replaceable wiping head, wherein: trigger part is push pedal (5) that restraint can axially slide in connecting portion (31) front portion guide way, and the lower part both sides of push pedal (5) have backward extension and lie in promotion portion (51) of connecting portion (31) left and right sides, and the rear portion of push pedal (5) has spring holder (52) that extend backward, be equipped with spring installation cavity (311) on connecting portion (31), spring holder (52) stretch into in spring installation cavity (311), spring (4) are arranged in spring installation cavity (311), and the upper end of spring (4) is supported and is leaned on spring holder (52), and the lower extreme of spring (4) supports and leans on the lower inner wall in spring installation cavity (311), be equipped with on push pedal (5) and push away and turn round (53), should push away and turn round (53) and show telescopic member (1) and supply people to operate the promotion push pedal (5).

7. The window brush with a replaceable wiping head of claim 2, wherein: the telescopic rod piece (1) comprises a first rod piece (11) and a second rod piece (12) which is inserted in the first rod piece (11) and can slide relatively in the axial direction, a connection position of the first rod piece (11) and the second rod piece (12) is provided with a locking structure which locks the first rod piece and the second rod piece relatively, the first rod piece (11) and the second rod piece (12) can slide relatively when the locking structure is unlocked, the locking structure is locked, the first rod piece (11) and the second rod piece (12) cannot slide relatively, and the connecting pipe (13) is inserted at the lower end of the second rod piece (12).

8. The window brush of claim 7 having a replaceable wiping head, wherein: the locking structure comprises a locking sleeve (6), a hoop sleeve (7) and an operating knob (8), the locking sleeve (6) is fixed at the lower end of a first rod piece (11), the lower end of the locking sleeve (6) is provided with a plurality of pressing sheets (61) which extend downwards and are arranged at intervals along the circumference, the pressing sheets (61) are positioned on the periphery of a second rod piece (12), the hoop sleeve (7) is axially restrained and sleeved on the periphery of the pressing sheets (61), and the hoop sleeve (7) is provided with elastic mounting parts (71) which extend forwards and are arranged at intervals; the operation knob (8) is sleeved and restrained outside the elastic mounting part (71), the bottom of the elastic mounting part (71) is provided with a biasing part (711) with gradually enlarged diameter, and the inner hole wall of the operation knob (8) is provided with a biasing surface (82) matched with the biasing part (711); operation knob (8) can be around self axis rotation to unblock and two positions of locking, is in the unblock position in operation knob (8), elastic mounting portion (71) are in the state of relaxing, and second member (12) can slide about first member (11) axial relatively, are in the latched position in operation knob (8), elastic mounting portion (71) are in the state of compressing tightly for second member (12) are held tightly to the compressing tightly piece, and second member (12) can not slide about first member (11) axial relatively.

9. The window brush of claim 8, wherein: be equipped with radial outside extension's action bars (81) on operation knob (8), be equipped with circumference limit structure between operation knob (8) and resilient mounting portion (71), be in the unblock position at operation knob (8), circumference limit structure makes operation knob (8) can only be rotatory towards latched position direction, is in latched position at operation knob (8), circumference limit structure makes operation knob (8) can only be rotatory towards unblock position direction.

10. The window brush of claim 8, wherein: the top in operation knob (8) is equipped with locking indicator board (9), and this locking indicator board (9) retrains at the elastic mounting portion top and can not rotate along with operation knob (8), is equipped with unblock position sign (91) and lock position sign (92) on locking indicator board (9), is in the unblock position at operation knob (8), operating lever (81) are rotatory towards unblock position sign (91) direction, are in the latched position at operation knob (8), operating lever (81) are rotatory towards lock position sign (92) direction.