CN211335337U - Combined blackboard eraser - Google Patents

Abstract

The utility model relates to a combined blackboard eraser. The water-saving water dispenser comprises a shell with an opening at the upper end, wherein a containing space is formed inside the shell, a through hole is formed in one end of a bottom plate of the containing space, a flexible water bag and an elastic piece are arranged in the containing space, a water filling port is formed in one end of the water bag, the water filling port is connected with a water outlet head, the water outlet head is provided with a capillary tube, and the capillary tube extends out of the through; the shell is connected with a sealing plate, the sealing plate is positioned at the outer side of the water bag and can move relative to the shell, and two ends of the elastic piece are respectively abutted against the bottom plate and the sealing plate; the middle part of the lower bottom surface of the shell is detachably connected with a brush hair component, two ends of the lower bottom surface of the shell are respectively detachably connected with a sponge component, and the water injection head is inserted into one of the sponge components; the lower extreme of sponge subassembly is equipped with the sponge, and the lower extreme of brush hair subassembly is equipped with the brush hair, and the lower terminal surface of sponge is higher than the lower terminal surface of brush hair. The utility model discloses a set up detachable brush hair subassembly and sponge subassembly and water bag for the brush hair can be changed, has water spray scrubbing function, convenient to use simultaneously.

Description

Combined blackboard eraser

Technical Field

The utility model relates to a wiping tool technical field especially relates to a modular blackboard eraser.

Background

The traditional blackboard eraser at present adopts a cuboid shell, and flexible hole-expanding materials such as brush hair, brush cloth, sponge and the like are embedded in the shell. At present, dust often flies in the using process, and in order to avoid the generation of dust, a plurality of water spraying blackboard erasers appear on the market at present, and the application numbers are as follows: CN2017207070199, name is: the dust-free blackboard eraser device sprays water to clean a blackboard by arranging a water storage tank and a cleaning device; for another example: the application numbers are: 2015206845707, the name is: a blackboard eraser capable of spraying water; in the using process of the devices, the bristles are combined with water spray; however, in the practical use process, water is sprayed on the blackboard, so that lime slurry is easily generated and attached to the blackboard; or the lime slurry is attached to the brush cloth or the brush bristles, when the lime slurry is dried, the slurry on the blackboard is difficult to remove, and the brush cloth or the brush bristles need to be cleaned frequently; although the dust removing brush has a certain dust removing effect when in use, the brush cloth or the brush hair needs to be cleaned frequently, and meanwhile, water needs to be injected frequently, so that the use is inconvenient.

The traditional blackboard eraser does not necessarily generate large dust, and according to the observation of an applicant, when the traditional blackboard eraser is used for a long time and the surface of the traditional blackboard eraser is fully coated with chalk dust, the dust is easy to grow when the traditional blackboard eraser is used for wiping; if the blackboard eraser is cleaned frequently, the generation of dust can not be reduced; secondly, the blackboard often has the adhesion of foreign matter, like the handwriting that remains after the oil pen is write etc. need to adopt the brush cloth or brush hair etc. of wetting to scrub.

Therefore, it is necessary to develop a blackboard eraser which not only has the function of replacing the traditional blackboard eraser, but also has the function of spraying water.

Disclosure of Invention

An object of the utility model is to provide a to prior art not enough, provide a modular blackboard eraser, its brush hair can be changed, has the water spray scrubbing function simultaneously.

A combined blackboard eraser comprises a shell with an opening at the upper end, wherein a containing space is formed inside the shell, a through hole is formed in one end of a bottom plate of the containing space, a flexible water bag and an elastic piece are arranged in the containing space, a water filling port is formed in one end of the water bag, a water outlet head is connected with the water filling port, a capillary tube is arranged on the water outlet head, and the capillary tube extends out of the through hole; the shell is connected with a sealing plate, the sealing plate is positioned on the outer side of the water bag and can move relative to the shell, and two ends of the elastic piece are respectively abutted against the bottom plate and the sealing plate; the middle part of the lower bottom surface of the shell is detachably connected with a brush hair component, two ends of the lower bottom surface of the shell are respectively detachably connected with a sponge component, and the water injection head is inserted into one of the sponge components; the lower extreme of sponge subassembly is equipped with the sponge, and the lower extreme of brush hair subassembly is equipped with the brush hair, and the lower terminal surface of sponge is higher than the lower terminal surface of brush hair.

Furthermore, a plurality of salient points are respectively arranged on two inner side surfaces of the shell, and a moving groove corresponding to the salient points is arranged in the middle of the side surface of the sealing plate; when the closing plate is positioned in the shell, the salient points are positioned in the moving grooves.

Further, the bristle component comprises a base and the bristles, and the bristles are fixed on the base; the middle part of the lower end face of the shell is provided with a T-shaped guide block, and the base is provided with a T-shaped groove matched with the guide block.

Further, the lower terminal surface of casing is equipped with a set of fixture block respectively at both ends, and a set of fixture block includes that two are the L shape fixture blocks of diagonal angle setting, the sponge subassembly include annular connect the shell and the sponge, connect the lower extreme of shell and corresponding a set of fixture block joint, the lower extreme of sponge inserts the connect shell, one of them sponge is equipped with and is used for capillary male jack, capillary male jack.

Further, the one end in T-shaped groove is sealed, the connecting shell articulates there is the separation blade that is used for spacing base, and the separation blade is seted up the terminal surface butt in T-shaped groove on with the base.

Furthermore, the elastic part is a spring, the inner bottom surface of the shell is provided with a guide post, and the spring is sleeved outside the guide post.

Further, the closing plate is provided with a threaded hole.

The utility model has the advantages that: the utility model discloses a set up detachable brush hair subassembly and sponge subassembly and water bag for the brush hair can be changed, has water spray scrubbing function, convenient to use simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic view of the opening closure plate of the present embodiment.

Fig. 3 is an exploded view of the present embodiment.

Fig. 4 is another view of fig. 3.

The reference numerals include:

1-a housing; 2-sealing plate; 3-a bristle assembly; 4-baffle plate; 5-a sponge component; 6-water bag; 7-water outlet head; 8-an elastic member; 11-a containing space; 12-bump; 13-guide post; 14-a through hole; 15-guide block; 16-an L-shaped fixture block; 21-threaded hole; 22-moving slot; 31-base; 32-bristles; 33-T-shaped groove; 51-connecting shell; 52-sponge; 53-jack; 61-water injection port; 71-capillary tube.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. As shown in fig. 1-4.

Example (b): referring to fig. 1 to 4, a combined blackboard eraser includes a housing 1 with an opening at an upper end, a receiving space 11 is formed inside the housing 1, a through hole 14 is formed at one end of a bottom plate of the receiving space 11, a flexible water bag 6 and an elastic member 8 are arranged in the receiving space 11, a water filling port 61 is arranged at one end of the water bag 6, the water filling port 61 is connected with a water outlet head 7, the water outlet head 7 is provided with a capillary tube 71, and the capillary tube 71 extends out of the through hole 14; the shell body 1 is connected with a sealing plate 2, the sealing plate 2 is positioned at the outer side of the water bag 6 and can move relative to the shell body 1, and two ends of the elastic piece 8 are respectively abutted against the bottom plate and the sealing plate 2; the middle part of the lower bottom surface of the shell 1 is detachably connected with a brush hair component 3, two ends of the lower bottom surface of the shell 1 are respectively detachably connected with a sponge component 5, and a water injection head is inserted into one of the sponge components 5; the lower end of the sponge component 5 is provided with a sponge 52, the lower end of the bristle component 3 is provided with bristles 32, and the lower end face of the sponge 52 is higher than the lower end face of the bristles 32.

This technical scheme adopts the mode that brush hair subassembly 3 and sponge subassembly 5 combine, and brush hair subassembly 3 can be for having traditional blackboard eraser structure now, and brush hair subassembly 3 can adopt when can dismantling with casing 1 and be connected: the bottom surface of the shell 1 is provided with a jack matched with the brush hair component 3, and the brush hair component 3 is inserted in the shell 1. The brush hair components 3 are replaced when dust on the surfaces of the brush hair is attached to a certain degree by the plug-in connection, so that dust is prevented from being generated during wiping; since the lower end surfaces of the bristles 32 are lower than the lower end surface of the sponge 52, the bristles 32 are still used mainly when the blackboard is wiped in general. Secondly, when the water bag 6 is designed, the length of the water bag is about smaller than that of the accommodating space 11, the water injection port 61 of the water bag 6 is connected with the water outlet head 7 with the capillary tube 71, the caliber of the water injection port 61 is large, water can be injected into the water bag 6 conveniently, after the water injection port 61 is connected with the water outlet head 7, the capillary tube 71 is arranged at the end part of the water outlet head 7, the capillary tube 71 has large water absorption capacity, water cannot be reserved from the capillary tube 71 easily, the water outlet head 7 and the water injection port 61 can be connected in a threaded manner, as shown in the figure, the water injection port 61 can be provided with a tubular head, the end part of the water outlet head 7 is; the end of the water outlet head 7 is in threaded connection or sleeved connection with the tubular head, and is preferably provided with a waterproof structure, for example, a waterproof rubber ring is arranged inside the water outlet head 7, which is a record for the connection of pipelines in the prior art and is not described again; therefore, the water in the water bag 6 can not overflow under the condition of no external force extrusion; the diameter of the capillary 71 is preferably about 1 to 5 mm. The water outlet head 7 can also be replaced by a screw cap. When the sponge 52 is needed to be used for scrubbing the blackboard, the bristle assemblies 3 can be taken down, the sponge assemblies 5 at the two ends are omitted, the end opening of the capillary tube 71 extends into one of the sponge assemblies 5, then the sealing plate 2 is squeezed by squeezing the sealing plate 2, the water bag 6 is squeezed by the sealing plate 2 along the containing space 11, meanwhile, the elastic piece 8 deforms, and the elastic piece 8 can be a spring and the like. The water in the water bag 6 is immersed into one of the sponge components 5 along the water filling port 61 and the capillary tube 71, and the sponge of the sponge component 5 is wetted, so that the movement amount of the sealing plate 2 can be controlled, and the water yield can be controlled; when the mop is used, the sponge with water out is used for scrubbing, the other dry sponge is used for scrubbing water, and the two sponges are matched to play a good role in scrubbing. The water bag 6 can be made of elastic plastic, such as a round head of a dropper, and the water outlet head 7 can be made of flexible materials such as silica gel.

Furthermore, a plurality of salient points 12 are respectively arranged on two inner side surfaces of the shell 1, and a moving groove 22 corresponding to the salient points 12 is arranged in the middle of the side surface of the sealing plate 2; the projections 12 are located in the moving slots 22 when the closure plate 2 is located in the housing 1.

In practical design, the closing plate 2 is in a matching connection relationship with the accommodating space 11 of the housing 1; after the convex point 12 and the moving groove 22 are arranged, the convex point 12 is inserted into the moving groove 22, the convex point 12 forms a limiting block, the moving groove 22 forms a guide groove, and then the convex point 12 is limited in the moving groove 22 to limit the moving position of the sealing plate 2, so that the situation that the sealing plate is separated from the shell 1 or the water bag 6 is extruded beyond the limit is avoided.

Further, the bristle assembly 3 comprises a base 31 and the bristles, and the bristles are fixed on the base 31; the middle part of the lower end surface of the shell 1 is provided with a T-shaped guide block 15, and the base 31 is provided with a T-shaped groove 33 matched with the guide block 15.

For convenient fixing and direction, this technical scheme is provided with two guide blocks 15 at the lower terminal surface of drain pan, is interference fit between guide block 15 and the T-slot 33 to prevent that brush hair subassembly 3 from breaking away from casing 1 easily.

Further, a set of fixture blocks are respectively arranged at two ends of the lower end surface of the shell 1, the set of fixture blocks comprises two L-shaped fixture blocks 16 which are arranged diagonally, the sponge assembly 5 comprises an annular connecting shell 51 and a sponge, the lower end of the connecting shell 51 is clamped with the corresponding set of fixture blocks, the lower end of the sponge is inserted into the connecting shell 51, one sponge is provided with an insertion hole 53 for inserting the capillary tube 71, and the capillary tube 71 is inserted into the insertion hole 53.

According to the technical scheme, the sponge component 5 is in an inserting connection mode, the sponge component 5 is clamped with a clamping block of the shell 1, so that the sponge can be taken out of the connecting shell 51, and the connecting shell 51 can be pulled out of the shell 1; the disassembly and the assembly are convenient. And secondly, when the connecting shell 51 is clamped with the L-shaped fixture block 16, an interference fit mode is adopted. Preferably, a rectangular hole is formed in the interior of the connector housing 51 to facilitate the latching of the L-shaped latch 16.

Further, one end of the T-shaped groove 33 is sealed, the connecting shell 51 is hinged with a baffle 4 for limiting the base 31, and the baffle 4 abuts against the end face of the base 31, which is provided with the T-shaped groove 33.

The T-shaped slot 33 is arranged to be open at one end and sealed at the other end so that the base 31 is restricted from moving along the guide block 15 and, when installed, only needs to move along the T-shaped guide block 15 until it cannot move. Slipping out can be avoided. In order to prevent the base 31 from being separated from the housing 1 during use, a baffle 4 is arranged on the connecting shell 51; when it is desired to disassemble the bristle sub-assembly 3, the flap 4 can be rotated so that it is clear of the base 31. In a specific operation, the shutter 4 may be fixed to the coupling case 51 by a screw. The flap 4 can be rotated around the screw when the screw is unscrewed.

Further, the elastic member 8 is a spring, the inner bottom surface of the housing 1 is provided with a guide post 13, and the spring is sleeved outside the guide post 13.

The guide posts 13 are provided to prevent the spring from falling sideways and becoming non-functional when the spring is held in a corresponding position inside the accommodating space 11.

Further, the closing plate 2 is provided with a threaded hole 21.

Because shrouding 2 is located accommodation space 11, has not the place of operateing, sets up screw hole 21, can be connected with bolt etc. conveniently takes out shrouding 2 from casing 1.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (7)

1. A combined blackboard eraser, its characterized in that: the water-saving water dispenser comprises a shell with an opening at the upper end, wherein a containing space is formed inside the shell, a through hole is formed in one end of a bottom plate of the containing space, a flexible water bag and an elastic piece are arranged in the containing space, a water filling port is formed in one end of the water bag, the water filling port is connected with a water outlet head, the water outlet head is provided with a capillary tube, and the capillary tube extends out of the through hole; the shell is connected with a sealing plate, the sealing plate is positioned on the outer side of the water bag and can move relative to the shell, and two ends of the elastic piece are respectively abutted against the bottom plate and the sealing plate; the middle part of the lower bottom surface of the shell is detachably connected with a brush hair component, two ends of the lower bottom surface of the shell are respectively detachably connected with a sponge component, and the water injection head is inserted into one of the sponge components; the lower extreme of sponge subassembly is equipped with the sponge, and the lower extreme of brush hair subassembly is equipped with the brush hair, and the lower terminal surface of sponge is higher than the lower terminal surface of brush hair.

2. The combination blackboard eraser of claim 1, wherein: a plurality of salient points are respectively arranged on two inner side surfaces of the shell, and a moving groove corresponding to the salient points is arranged in the middle of the side surface of the sealing plate; when the closing plate is positioned in the shell, the salient points are positioned in the moving grooves.

3. The combination blackboard eraser of claim 1, wherein: the bristle component comprises a base and the bristles, and the bristles are fixed on the base; the middle part of the lower end face of the shell is provided with a T-shaped guide block, and the base is provided with a T-shaped groove matched with the guide block.

4. A modular blackboard eraser in accordance with claim 3, wherein: the lower terminal surface of casing is equipped with a set of fixture block respectively at both ends, and a set of fixture block includes that two are the L shape fixture blocks of diagonal angle setting, the sponge subassembly include annular connect the shell and the sponge, connect the lower extreme and the corresponding a set of fixture block joint of shell, the lower extreme of sponge inserts the connect shell, one of them sponge is equipped with and is used for capillary male jack, capillary male jack.

5. The combination blackboard eraser of claim 4, wherein: the one end in T groove is sealed, it has the separation blade that is used for spacing base to connect the shell to articulate, and the terminal surface butt in T groove is seted up on separation blade and the base.

6. The combination blackboard eraser of claim 1, wherein: the elastic piece is a spring, the inner bottom surface of the shell is provided with a guide post, and the spring is sleeved outside the guide post.

7. The combined blackboard eraser according to any one of claims 1 to 6, characterized in that: the shrouding is equipped with the screw hole.

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