CN210169303U

CN210169303U - Cleaning brush

Info

Publication number: CN210169303U
Application number: CN201920980156.9U
Authority: CN
Inventors: Pingyu Li; 李平余
Original assignee: Ningbo Zhen Fa Commodity Co Ltd
Current assignee: Ningbo Zhen Fa Commodity Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-03-24
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a cleaning brush, cleaning brush only need adjust locking mechanical system to the unblock state when adjusting the length of brush rod, can make inner tube and outer tube carry out relative movement, can adjust the length of brush rod through the relative slip of inner tube and outer tube this moment, adjust locking mechanical system to the locking state when the brush rod adjusts the back that targets in place, can make inner tube and outer tube axial fixity, accomplish the length adjustment of brush rod promptly, the utility model discloses when adjusting the length of brush rod, only need switch locking mechanical system's state can, it is comparatively convenient to operate.

Description

Cleaning brush

Technical Field

The utility model relates to a cleaning tool, in particular to a cleaning brush.

Background

In order to facilitate the use, the brush rod of the cleaning brush at present is generally set to be a telescopic structure, so that the cleaning brush can be adjusted in length, the locking sleeve is generally arranged on the brush rod, when the brush rod is required to be adjusted in length, the locking sleeve is unscrewed, so that the brush rod can be adjusted in a telescopic mode, and after the brush rod is stretched in place, the locking sleeve is screwed, so that the length of the brush rod is fixed.

Above-mentioned cleaning brush when the length of adjusting the brush pole, need loosen soon and screw the lock sleeve for people's operation is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a cleaning brush is provided, its length that makes the regulation brush pole that can be comparatively convenient.

In order to solve the technical problem, the cleaning brush provided by the utility model comprises a brush rod, a brush head and a joint for connecting with a water source, wherein one end of the brush rod is connected with the joint, the other end of the brush rod is connected with the brush head, and the brush rod is formed by sequentially and axially connecting at least two pipe fittings;

in arbitrary two axially continuous pipe fittings, one is the inner tube, and one is the outer tube, wherein:

the inner pipe and the outer pipe are movably sleeved with each other, the inner pipe can move along the axial direction of the outer pipe, a plurality of positioning holes distributed at intervals along the axial direction of the inner pipe are arranged on the outer wall of the inner pipe, a connecting sleeve is arranged at the joint of the inner pipe and the outer pipe and fixedly connected with the outer pipe, a locking mechanism is arranged on the connecting sleeve and has a locking state and an unlocking state, when the locking mechanism is in the locking state, the locking mechanism positions the inner pipe through the positioning holes, the inner pipe and the outer pipe are in the axial fixing state, when the locking mechanism is in the unlocking state, the locking mechanism releases the positioning of the inner pipe, and the inner pipe and the outer pipe are in a relatively axial moving;

a first water flow channel is arranged in the outer pipe, a second water flow channel and a cavity are arranged in the inner pipe, the second water flow channel is communicated with the first water flow channel, and the cavity is communicated with the positioning holes;

and a sealing mechanism for sealing a gap between the outer wall of the inner pipe and the inner wall of the outer pipe and separating an opening of the second water flow channel in the inner pipe from an opening of the cavity is arranged in the outer pipe.

Preferably, the brush rod is formed by sequentially and axially connecting three or more pipe fittings.

Preferably, in any two axially connected pipes:

the connecting sleeve on be provided with the mount pad, locking mechanical system set up on the mount pad, locking mechanical system include a locating lever, a button, a rotation piece and a spring, be provided with a radial bulge loop on the locating lever, the articulated connection of middle part on the mount pad of rotation piece, the one end and the button of rotating the piece offset, the other end and the radial bulge loop of rotating the piece offset near a side of inner tube, the spring housing is put on the locating lever, the one end of spring offsets with the side of keeping away from the inner tube of radial bulge loop, the other end and the button of spring offset, the mobilizable mount pad that runs through of locating lever.

Preferably, in any two axially connected pipes:

the outer wall of the inner pipe is provided with at least one strip-shaped groove extending along the axis direction of the inner pipe, and the connecting sleeve is provided with a protruding part used for being clamped in the strip-shaped groove to limit the rotation of the inner pipe.

Preferably, in any two axially connected pipes:

sealing mechanism include a seal receptacle and a seal cover, the seal receptacle includes axial distribution's first portion in proper order, second part and third part, the first terminal surface of second part offsets with the one end of inner tube and covers in order to cover the opening of the cavity in the inner tube, the third part is located the first terminal surface of second part, the third part stretches into in the inner tube, the third part is fixed mutually with the inner tube, the first part is located the second terminal surface of second part, the fixed cover of seal cover is put on the first part, the one end of keeping away from the inner tube of seal cover is the opening end, the border of the opening end of seal cover offsets with the inner wall of outer tube.

Preferably, the brush head is provided with a connecting sleeve, one end of the brush rod is provided with a connecting seat inserted into the connecting sleeve and a locking sleeve used for locking and fixing the connecting seat in the connecting sleeve, the inner wall of the connecting sleeve is provided with at least one strip-shaped groove extending along the axis direction of the connecting sleeve, and the outer wall of the connecting seat is provided with a protruding part used for being clamped into the strip-shaped groove so as to enable the connecting seat and the connecting sleeve to be limited circumferentially.

Preferably, a water flow channel is arranged in the joint, a valve core element is rotatably arranged in the water flow channel, the valve core element adjusts the water flow of the water flow channel in the joint through rotation, and a switch element which can be used for driving the valve core element to rotate is arranged on the outer wall of the joint.

After the structure more than adopting, compared with the prior art, the utility model, have following advantage:

the utility model discloses a cleaning brush only needs to adjust locking mechanical system to the unblock state when adjusting the length of brush rod, can make inner tube and outer tube can carry out relative movement, can adjust the length of brush rod through the relative slip of inner tube and outer tube this moment, adjusts the back that targets in place when the brush rod, adjusts locking mechanical system to the lock state, can make inner tube and outer tube axial fixity, accomplishes the length adjustment of brush rod promptly, the utility model discloses when adjusting the length of brush rod, only need switch locking mechanical system the state can, it is comparatively convenient to operate.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is an axial cross-sectional view of FIG. 1;

FIG. 3 is a combination view of the connection sleeve, the positioning rod and the button mechanism in the first embodiment;

FIG. 4 is a combination view of the connecting sleeve, the connecting seat and the locking sleeve in the first embodiment;

FIG. 5 is a schematic structural view of a joint according to the first embodiment;

FIG. 6 is a sectional view taken along line A-A in FIG. 5;

FIG. 7 is a schematic view showing the structure of a valve element according to the first embodiment;

FIG. 8 is a schematic structural view of the second embodiment;

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The first embodiment,

Referring to fig. 1 to 7, the cleaning brush in this embodiment includes a brush rod 10, a brush head 20, and a connector 30 for connecting to a water source, one end of the brush rod 10 is connected to the connector 30, the other end of the brush rod 10 is connected to the brush head 20, the brush rod 10 is formed by axially connecting a first pipe 11 and a second pipe 12, the first pipe 11 is close to the brush head 20, the second pipe 12 is close to the connector 30, and a protective sleeve 122 is sleeved on the second pipe 12.

A part of the first pipe fitting 11 is located in the second pipe fitting 12, the first pipe fitting 11 and the second pipe fitting 12 can slide relatively, a plurality of positioning holes 111 are formed in the outer wall of the first pipe fitting 11 and are distributed at intervals along the axial direction of the first pipe fitting 11, the positioning holes 111 penetrate through the side wall of the first pipe fitting 11, a connecting sleeve 40 is arranged at the joint of the first pipe fitting 11 and the second pipe fitting 12, the connecting sleeve 40 is sleeved on the first pipe fitting 11 and the second pipe fitting 12 at the same time, the connecting sleeve 40 is fixedly connected with the second pipe fitting 12, a locking mechanism is arranged on the connecting sleeve 40, the locking mechanism comprises a positioning rod 41 and a button mechanism used for driving the positioning rod 41 to move, and the button mechanism has a pressing state and a releasing state.

When the button mechanism is in the release state, the button mechanism applies a forward pushing force to the positioning rod 41, the direction of the pushing force is perpendicular to the axial direction of the first pipe 11, and when the first pipe 11 slides relative to the second pipe 12, each positioning hole 111 sequentially passes through the front end of the positioning rod 41, so that when the first pipe 11 slides relative to the second pipe 12 so that one positioning hole 111 on the first pipe 11 is located at the front end of the positioning rod 41, the positioning rod 41 is pushed by the button mechanism to extend into the positioning hole 111, so that a part of the positioning rod 41 is located in the positioning hole 111, at this time, the positioning rod 41 fixes the first pipe 11 and the second pipe 12, so that the first pipe 11 and the second pipe 12 cannot move relative to each other, and at this time, the locking mechanism is in the locking state.

When the button mechanism is pressed down, the button mechanism drives the positioning rod 41 to move, so that when the button mechanism is in a pressed state, the positioning rod 41 is separated from the positioning hole 111 on the first pipe fitting 11, the first pipe fitting 11 and the second pipe fitting 12 can slide relatively, and the locking mechanism is in an unlocked state at the moment

Be provided with a first rivers passageway 121 in the second pipe fitting 12, first rivers passageway 121 extends along the axial of second pipe fitting 12, be provided with a second rivers passageway 112 and a cavity 113 in the first pipe fitting 11, second rivers passageway 112 and cavity 113 all extend along the axial of first pipe fitting 11, second rivers passageway 112 and cavity 113 separate through division board 114 in first pipe fitting 11 mutually, make the water in the second rivers passageway 112 can not flow in the cavity 113, second rivers passageway 112 is linked together with first rivers passageway 121, cavity 113 and a plurality of locating hole 111 homogeneous phase intercommunication, when making locating lever 41 stretch into locating hole 111, the front end of locating lever 41 is located cavity 113.

A sealing mechanism is provided in the second pipe member 12 for sealing a gap between the outer wall of the first pipe member 11 and the inner wall of the second pipe member 12, and the sealing mechanism may separate the opening of the second water flow passage 112 in the first pipe member 11 from the opening of the cavity 113 to prevent water from flowing into the cavity 113.

The connecting sleeve 40 is provided with a mounting seat 42, the button mechanism is arranged on the mounting seat 42, the button mechanism comprises a button 43, a rotating piece 44 and a spring 45, the positioning rod 41 is provided with a radial convex ring 411, the middle part of the rotating piece 44 is hinged and connected on the mounting seat 42, one end of the rotating piece 44 is abutted against the button 43, the other end of the rotating piece 44 is abutted against one side surface of the radial convex ring 411 close to the first pipe fitting 11, the spring 45 is sleeved on the positioning rod 41, one end of the spring 45 is abutted against one side surface of the radial convex ring 411 far away from the first pipe fitting 11, the other end of the spring 45 is abutted against the button 43, the positioning rod 41 can movably penetrate through the mounting seat 42, so that when the button 43 is in a releasing state, the spring 45 applies forward thrust to the positioning rod 41, at this time, if the first pipe fitting 11 and the second pipe fitting 12 relatively slide to enable one positioning hole 111 to be positioned at the front end, then, the positioning rod 41 moves forward to make the positioning rod 41 extend into the positioning hole 111, when the button 43 is pressed, the button 43 drives the rotating member 44 to rotate, the rotating member 44 applies an acting force to the radial convex ring 411 when rotating, so that the positioning rod 41 moves backward, the spring 45 is compressed, the positioning rod 41 moves out of the positioning hole 111, so that the positioning rod 41 is separated from the positioning hole 111, and at this time, the first pipe 11 and the second pipe 12 can slide relatively.

Be provided with two bar grooves 115 that extend along the axis direction of first pipe fitting 11 on the outer wall of first pipe fitting 11, be provided with two bellying 46 on the adapter sleeve 40, two bar grooves 115 set up about the axis symmetry of first pipe fitting 11, two bellying 46 joint respectively in two bar grooves 115, the rotation of bellying 46 restriction first pipe fitting 11 for first pipe fitting 11 and adapter sleeve 40 can only relative slip, and unable relative rotation.

The sealing mechanism comprises a sealing seat 50 and a sealing sleeve 60, the sealing seat 50 comprises a first part 51, a second part 52 and a third part 53 which are axially distributed in sequence, the first part 51, the second part 52 and the third part 53 are integrally formed, a first end face of the second part 52 is abutted against one end of the first pipe fitting 11 to cover an opening of a cavity 113 in the first pipe fitting 11 so as to seal the opening of the cavity 113 to prevent water in the first water flow channel 121 from flowing into the cavity 113, the third part 53 is positioned on the first end face of the second part 52, the third part 53 extends into the first pipe fitting 11, the third part 53 is fixed with the first pipe fitting 11, so that when the first pipe fitting 11 and the second pipe fitting 12 slide relatively, the first pipe fitting 11 drives the sealing seat 50 to synchronously move, the first part 51 is positioned on a second end face of the second part 52, the sealing sleeve 60 is fixedly sleeved on the first part 51, the end of the sealing sleeve 60 away from the first pipe 11 is an open end, the peripheral edge of the open end of the sealing sleeve 60 is abutted against the inner wall of the second pipe 12, the sealing sleeve 60 is used for sealing the gap between the outer wall of the first pipe 11 and the inner wall of the second pipe 12, to prevent water in the first water flow path 121 from leaking out through a gap between the outer wall of the first pipe member 11 and the inner wall of the second pipe member 12, when the water flow in the first water flow passage 121 strikes the open end of the sealing sleeve 60, the greater the water flow, the greater the impact force of the water flow against the open end of the sealing sleeve 60, the greater the magnitude of the open deformation of the open end of the sealing sleeve 60, the closer the periphery of the open end of the sealing sleeve 60 is to the inner wall of the second pipe member 12, the better the sealing effect of the sealing sleeve 60 is, thus, the sealing sleeve 60 is constructed such that the greater the water flow in the first water flow passage 121, the better the sealing effect of the sealing sleeve 60.

The outer wall of the second portion 52 is tightly attached to the inner wall of the second pipe 12, a sealing ring 521 is sleeved on the outer wall of the second portion 52, and the sealing ring 521 can also be used for sealing a gap between the outer wall of the first pipe 11 and the inner wall of the second pipe 12, so as to prevent water in the first water flow channel 121 from leaking out through the gap between the outer wall of the first pipe 11 and the inner wall of the second pipe 12.

The brush head 20 is provided with a connecting sleeve 70, one end of the brush rod 10 is provided with a connecting seat 80 and a locking sleeve 90, the connecting seat 80 is used for being inserted into the connecting sleeve 70, the connecting seat 80 is provided with a radial boss 82, after the connecting seat 80 is inserted into the connecting sleeve 70, the locking sleeve 90 is screwed on the connecting sleeve 70, and the rear end of the locking sleeve 90 abuts against the radial boss 82, so that the connecting seat 80 is locked and fixed in the connecting sleeve 70, the inner wall of the connecting sleeve 70 is provided with at least one strip-shaped groove 71 extending along the axial direction of the connecting sleeve 70, the outer wall of the connecting seat 80 is provided with a protruding part 81 used for being clamped into the strip-shaped groove 71 to enable the connecting seat 80 and the connecting sleeve 70 to be circumferentially limited, so that after the connecting seat 80 is inserted into the connecting sleeve 70, the connecting seat 80 and the connecting sleeve 70 cannot relatively rotate, so that the brush head 20 and the, thereby effecting a fixation of the brush head 20.

The joint 30 is provided with a water flow passage, a valve core element 31 is rotatably arranged in the water flow passage, a through hole 311 is arranged on the valve core element 31, the valve core element 31 can adjust the orientation of the through hole 311 through rotation, when the axis of the through hole 311 is parallel to the axis of the water flow passage in the joint 30, the valve core element 31 is in a full open state, the water flow passing through the valve core element 31 is the largest, when the axis of the through hole 311 is vertical to the axis of the water flow passage in the joint 30, the valve core element 31 is in a full close state, the valve core element 31 cuts off the water flow, when the valve core element 31 rotates between the full open state and the full close state, the water flow is in a gradual change process, therefore, the valve core element 31 can adjust the water flow of the water flow passage in the joint 30 through rotation, and a switch element 32 which can be used for driving the valve core element 31 to, the switch element 32 is a rocker arm, and the switch element 32 is rotated when the switch element 32 is turned over to control the flow rate of the water flowing through the water flow passage in the connector 30.

Example II,

As shown in fig. 8, the cleaning brush in this embodiment includes a brush rod, a brush head, and a joint for connecting to a water source, one end of the brush rod is connected to the joint, and the other end of the brush rod is connected to the brush head, the brush rod is formed by axially connecting a first pipe, a second pipe, and a third pipe in sequence, the first pipe is close to the brush head, the third pipe is close to the joint, the first pipe and the second pipe can slide relatively, the telescopic structure between the first pipe and the second pipe is the same as that in the first embodiment, the second pipe and the third pipe can slide relatively, the telescopic structure between the second pipe and the third pipe is the same as that in the first embodiment, that is, the brush rod in this embodiment is a three-stage telescopic rod structure, while the brush rod in the first embodiment is a two-stage structure, but the telescopic structure in this embodiment is the same as that in the first embodiment.

The structure of the brush head, the joint and other parts in the cleaning brush of the embodiment is the same as that of the first embodiment.

Of course, the utility model discloses a brush-holder stud of cleaning brush is not restricted to second grade telescopic link structure and tertiary telescopic link structure, and the brush-holder stud also can be level four telescopic link structure, five grade telescopic link structure or more level telescopic link structure, only need set up between arbitrary two pipe fittings that are connected can as embodiment one telescopic link structure.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, but should not be construed as limiting the claims, and the present invention is not limited to the above-described embodiments, but may be modified in various ways. In summary, all changes that can be made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. A cleaning brush comprises a brush rod, a brush head and a joint for connecting with a water source, wherein one end of the brush rod is connected with the joint, and the other end of the brush rod is connected with the brush head;

in any two axially connected pipes:

2. The cleaning brush as claimed in claim 1, wherein the brush rod is formed by sequentially axially connecting three or more pipe members.

3. The cleaning brush of claim 1, wherein in any two axially connected tubes:

4. The cleaning brush of claim 1, wherein in any two axially connected tubes:

5. The cleaning brush of claim 1, wherein in any two axially connected tubes:

6. The cleaning brush as claimed in claim 1, wherein the brush head is provided with a coupling sleeve, the brush rod is provided at one end thereof with a connecting seat for being inserted into the coupling sleeve and a locking sleeve for locking and fixing the connecting seat in the coupling sleeve, the inner wall of the coupling sleeve is provided with at least one strip-shaped groove extending in the axial direction of the coupling sleeve, and the outer wall of the connecting seat is provided with a protrusion for being engaged into the strip-shaped groove to circumferentially limit the connecting seat and the coupling sleeve.

7. The cleaning brush as claimed in claim 1, wherein the joint is provided with a water passage, the water passage is rotatably provided with a valve core member, the valve core member is rotatable to adjust the water flow of the water passage in the joint, and the outer wall of the joint is provided with a switch member for driving the valve core member to rotate.