CN212171788U

CN212171788U - Blackboard eraser

Info

Publication number: CN212171788U
Application number: CN201920259195.XU
Authority: CN
Inventors: 王诗予
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-01
Filing date: 2019-03-01
Publication date: 2020-12-18
Anticipated expiration: 2029-03-01

Abstract

The utility model discloses a blackboard eraser, which comprises a blackboard body, wherein viscous cleaning cloth is arranged on the outer side of the blackboard body, a rotating component is arranged in the middle of the lower part of the blackboard body, a movable auxiliary rod is arranged at one end of the rotating component, a movable main rod is arranged on the outer side of the movable auxiliary rod, a handle is arranged at the bottom end of the movable main rod, a kettle is arranged on the upper side surface of the movable main rod, the utility model is provided with the rotating component, can realize the transformation of various angles of the blackboard body and is mutually matched with the kettle for use, the movable auxiliary rod and the movable main rod are arranged, the length of the rod can be adjusted through the mutual matching of a screw and a threaded hole, the blackboard eraser is convenient to use, the kettle is provided with a water kettle, the water spraying of the water kettle is vaporific, the water kettle is a detachable device, not only can reduce the harm of the dust, but also can prevent the blackboard from being erased.

Description

Blackboard eraser

Technical Field

The utility model belongs to the technical field of the instrument is used in teaching official working, concretely relates to blackboard eraser.

Background

The chalk and the blackboard are used as the earliest knowledge transmission tools, the chalk is a tool for transmitting culture and an article for killing a body from being invented to being widely applied for thousands of years, engineers who have soul are infected with aeipathia due to repeated dust pollution and air suction, and students sitting in the front row are threatened by dust.

The conventional blackboard eraser can cause the dust to fly everywhere if the blackboard eraser is used for directly erasing a blackboard, so that teachers and students in the front row can be affected, and if the blackboard eraser is used for directly erasing the blackboard by wet cleaning rags, the condition that the blackboard is erased can be caused, so that writing is inconvenient or the students cannot watch the blackboard, so that the problem is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blackboard eraser to if the current blackboard eraser of proposing in solving above-mentioned background art directly wipes the blackboard, can lead to the powder ash to fly away everywhere, can lead to the fact the influence to mr and the student of front seat, if directly wipe the blackboard with the rag that wets thoroughly, can cause the blackboard to wipe the condition of spending, make write inconvenient or the student watch unchangeable problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blackboard eraser, includes the blackboard body, the outside of blackboard body is provided with the viscidity rag, be provided with the runner assembly in the middle of the below of blackboard body, the one end of runner assembly is provided with removes vice pole, the outside of removing vice pole is provided with removes the mobile jib, the bottom of removing the mobile jib is provided with the handle, the side of going up of removing the mobile jib is provided with the kettle.

Preferably, the top of removing the mobile jib is provided with two spouts, the below of kettle is provided with two sliders, just the one end of slider through the pivot with the below fixed connection of kettle, the other end of slider with the spout is mutually supported, just the slider can carry out reciprocating motion in the spout.

Preferably, the slider is wholly "L" type slider, just the slider accessible pivot is to the outside certain angle of rotating, the kettle is removable device.

Preferably, the rotating assembly comprises a groove block, a rotating ball and a connecting rod, the groove block is arranged in the middle of the lower portion of the blackboard body, a spherical groove is formed in the groove block, rectangular holes are formed in three faces of the groove block, the rotating ball is arranged in the spherical groove, the rotating ball can rotate at multiple angles in the spherical groove, the connecting rod is fixedly arranged below the rotating ball, and the other end of the connecting rod is fixedly connected with the upper end face of the movable auxiliary rod.

Preferably, the inside of the secondary moving rod is provided with a rectangular groove, the left side surface and the right side surface of the secondary moving rod are provided with a plurality of threaded holes, the diameter of the secondary moving rod is smaller than that of the primary moving rod, the secondary moving rod is matched with the primary moving rod, the left side surface and the right side surface of the primary moving rod are provided with a plurality of threaded holes, and the threaded holes in the secondary moving rod are matched with the threaded holes in the primary moving rod.

Preferably, the outside left and right sides of removing the mobile jib is provided with two screws that distribute relatively, just the screw with screw hole on vice pole of removal and the mobile jib is mutually supported, just vice pole of removal can remove inside the mobile jib.

Preferably, the kettle includes nozzle, the kettle body, activity sealing plug and push rod, the kettle body is located the top of removing the mobile jib, and passes through the slider with it links together to remove the mobile jib, the front end of the kettle body is provided with the nozzle, the inside of the kettle body is provided with the activity sealing plug, a side of activity sealing plug is provided with the push rod, the push rod other end passes the kettle body exposes in the outside, just the other end of push rod is provided with the ejector pad.

Preferably, a micropore plate is arranged at the top end of the nozzle, a plurality of micro through holes are distributed on the micropore plate, and the nozzle and the kettle body are screwed together through threads and are detachable devices.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses set up rotating assembly, can realize the conversion of the multiple angle of blackboard body, use with the kettle is mutually supported.

(2) The utility model discloses set up removal auxiliary rod and removal mobile jib, accessible screw and screw hole mutually support, can realize the adjustment of pole length, convenient to use.

(3) The utility model discloses be provided with the kettle, the kettle water spray is vaporific, and the kettle is detachable device, convenient to use and installation, and the kettle can mutually support with the viscidity rag, both can reduce the harm of powder ash, can prevent again to wipe the flower with the blackboard.

Drawings

Fig. 1 is a schematic structural view of the blackboard eraser of the present invention;

fig. 2 is a schematic structural view of the left side of the blackboard eraser of the present invention;

FIG. 3 is a schematic top view of the moving rod of the blackboard eraser of the present invention;

fig. 4 is a schematic structural view of the rotating assembly of the blackboard eraser of the present invention from bottom to top;

FIG. 5 is a schematic view of the inner structure of the moving rod of the blackboard eraser of the present invention;

FIG. 6 is a schematic view of the structure of the blackboard eraser kettle of the present invention;

fig. 7 is a schematic view of the bottom structure of the blackboard eraser nozzle of the present invention;

in the figure: 1. a blackboard body; 2. a sticky wipe; 3. moving the auxiliary rod; 4. moving the main rod; 5. a kettle; 6. a handle; 7. a rotating assembly; 8. a chute; 9. a slider; 10. a screw; 11. a groove block; 12. rotating the ball; 13. a connecting rod; 14. a nozzle; 15. a kettle body; 16. a movable sealing plug; 17. a push rod; 18. a microplate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the present invention provides a technical solution: the utility model provides a blackboard eraser, includes blackboard body 1, and blackboard body 1's the outside is provided with viscidity rag 2, is provided with runner assembly 7 in the middle of blackboard body 1's the below, and runner assembly 7's one end is provided with removes vice pole 3, and runner assembly 7 includes groove block 11, rolling ball 12 and connecting rod 13, and the outside of removing vice pole 3 is provided with removes mobile jib 4, and the bottom of removing mobile jib 4 is provided with handle 6, and the side of going up of removing mobile jib 4 is provided with kettle 5.

The adjustment of the water spray distance of the kettle 5 is convenient, in the embodiment, preferably, two sliding grooves 8 are arranged above the movable main rod 4, two sliding blocks 9 are arranged below the kettle 5, one end of each sliding block 9 is fixedly connected with the lower part of the kettle 5 through a rotating shaft, the other end of each sliding block 9 is matched with the corresponding sliding groove 8, and the sliding blocks 9 can move in the sliding grooves 8 in a reciprocating mode.

In this embodiment, preferably, the slider 9 is an "L" shaped slider as a whole, and the slider 9 can rotate outward by a certain angle through the rotating shaft, and the kettle 5 is a detachable device.

In order to facilitate the adjustment of the angle of the blackboard body 1, in this embodiment, preferably, the groove block 11 is disposed in the middle of the lower portion of the blackboard body 1, a spherical groove is disposed inside the groove block 11, rectangular holes are disposed on three sides of the groove block 11, a rotating ball 12 is disposed in the spherical groove, the rotating ball 12 can rotate at multiple angles in the spherical groove, a connecting rod 13 is fixedly disposed below the rotating ball 12, and the other end of the connecting rod 13 is fixedly connected with the upper end face of the moving auxiliary rod 3.

In this embodiment, preferably, a rectangular groove is formed in the auxiliary moving rod 3, a plurality of threaded holes are formed in the left side surface and the right side surface of the auxiliary moving rod 3, the diameter of the auxiliary moving rod 3 is smaller than that of the main moving rod 4, the auxiliary moving rod 3 is matched with the main moving rod 4, a plurality of threaded holes are formed in the left side surface and the right side surface of the main moving rod 4, and the threaded holes in the auxiliary moving rod 3 are matched with the threaded holes in the main moving rod 4.

In this embodiment, preferably, two screws 10 are disposed on the left and right sides of the outer side of the movable main rod 4, the screws 10 are matched with the screw holes on the auxiliary movable rod 3 and the movable main rod 4, and the auxiliary movable rod 3 can move inside the movable main rod 4.

In this embodiment, it is preferable that the kettle 5 includes a nozzle 14, a kettle body 15, a movable sealing plug 16 and a push rod 17, the kettle body 15 is located above the movable main rod 4 and is connected to the movable main rod 4 through a slider 9, the nozzle 14 is arranged at the front end of the kettle body 15, the movable sealing plug 16 is arranged inside the kettle body 15, the push rod 17 is arranged on one side of the movable sealing plug 16, the other end of the push rod 17 penetrates through the kettle body 15 and is exposed to the outside, and the push rod 17 is arranged at the other end of the push rod.

In this embodiment, preferably, a micro-perforated plate 18 is disposed at the top end of the nozzle 14, and a plurality of micro through holes are distributed on the micro-perforated plate 18, and the nozzle 14 and the kettle body 15 are screwed together by a thread, which is a detachable device.

The utility model discloses a theory of operation and use flow: when the utility model is used, the sticky cleaning cloth 2 is stuck on the blackboard body 1, when the blackboard needs to be cleaned, the water jug 5 can be arranged above the movable main rod 4, the water jug 5 can be moved to a required place along the sliding chute 8 through the matching of the sliding block 9 and the sliding chute 8, and the auxiliary moving rod 3 and the main moving rod 4 are matched with the threaded holes on the auxiliary moving rod 3 and the main moving rod 4 through screws 10, the length adjustment of the auxiliary moving rod 3 and the main moving rod 4 can be realized, when a certain length is needed, the auxiliary moving rod 3 can be moved upwards, the distance between the auxiliary moving rod 3 and the main moving rod 4 is lengthened, when the required length is reached, the auxiliary moving rod 3 and the main moving rod 4 are fixed by the screw 10, if the length is not needed, the screw 10 can be unscrewed to be separated from a threaded hole on the auxiliary moving rod 3, thereby moving the auxiliary moving rod 3 downward to shorten the distance, and then screwing the screw 10 through the screw holes on the auxiliary moving rod 3 and the main moving rod 4.

The utility model discloses when using, can unscrew nozzle 14 and take off, put into the aquatic with the kettle body 15 and the 14 complex one end of nozzle, upwards stimulate push rod 17, thereby it inhales the kettle body 15 with water to drive the upward movement of movable sealing plug 16, screw nozzle 14 and the kettle body 15 again, install kettle 5 on mobile jib 4, when needs, can promote push rod 17 to inside, thereby make water spray away through nozzle 14, and the water that makes through the micropore board 18 on the nozzle 14 and spout out presents the spray form.

The utility model discloses when using, be provided with runner assembly 7, cooperation through groove block 11 and rolling ball 12, and still be provided with connecting rod 13 on the rolling ball 12, connecting rod 13 on the rolling ball 12 can place the rectangular channel on groove block 11 when rotating, can realize the adjustment of blackboard plate body 1 angle, make blackboard plate body 1 rotate to controlling, and can rotate blackboard plate body 1 downwards, when can avoiding kettle 5 to spray water again simultaneously, water directly spouts on viscidity 2, cause the local water content of viscidity 2 rag too much, be not convenient for clean.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The blackboard eraser comprises a blackboard body (1) and is characterized in that: the outside of blackboard body (1) is provided with viscidity rag (2), be provided with runner assembly (7) in the middle of the below of blackboard body (1), the one end of runner assembly (7) is provided with removes vice pole (3), the outside of removing vice pole (3) is provided with removes mobile jib (4), the bottom of removing mobile jib (4) is provided with handle (6), the side of going up of removing mobile jib (4) is provided with kettle (5).

2. A blackboard eraser according to claim 1, characterized in that: the top of removing mobile jib (4) is provided with two spout (8), the below of kettle (5) is provided with two slider (9), just the one end of slider (9) through the pivot with the below fixed connection of kettle (5), the other end of slider (9) with spout (8) are mutually supported, just slider (9) can carry out reciprocating motion in spout (8).

3. A blackboard eraser according to claim 2, characterized in that: the slider (9) is integrally an L-shaped slider, the slider (9) can rotate outwards for a certain angle through a rotating shaft, and the kettle (5) is a detachable device.

4. A blackboard eraser according to claim 1, characterized in that: rotating assembly (7) include groove block (11), rolling ball (12) and connecting rod (13), groove block (11) set up in the middle of the below of blackboard body (1), just spherical groove has been seted up to the inside of groove block (11), and the rectangular hole has been seted up to the trilateral of groove block (11), and is provided with rolling ball (12) in spherical groove, rolling ball (12) can be in the rotation of spherical inslot multi-angle, and the below of rolling ball (12) is fixed and is provided with connecting rod (13), just the other end of connecting rod (13) with the up end fixed connection who removes auxiliary rod (3).

5. A blackboard eraser according to claim 1, characterized in that: the inside of removing vice pole (3) is seted up rectangular groove, just the left and right sides face that removes vice pole (3) is provided with a plurality of screw holes, the diameter that removes vice pole (3) is less than the diameter that removes mobile jib (4), just remove vice pole (3) with remove mobile jib (4) and mutually support, the left and right sides face that removes mobile jib (4) is provided with a plurality of screw holes, just remove screw hole on vice pole (3) with screw hole on the mobile jib (4) mutually support.

6. A blackboard eraser according to claim 1 or 5, characterized in that: the outside left and right sides of removing mobile jib (4) is provided with two screws (10) that distribute relatively, just screw (10) with screw hole on removal vice pole (3) and the mobile jib (4) mutually supports, just remove vice pole (3) can remove mobile jib (4) inside.

7. A blackboard eraser according to claim 2, characterized in that: kettle (5) are including nozzle (14), the kettle body (15), movable sealing plug (16) and push rod (17), the kettle body (15) are located remove the top of mobile jib (4), and pass through slider (9) with remove mobile jib (4) and link together, the front end of the kettle body (15) is provided with nozzle (14), the inside of the kettle body (15) is provided with movable sealing plug (16), a side of movable sealing plug (16) is provided with push rod (17), push rod (17) other end passes the kettle body (15) expose in the outside, just the other end of push rod (17) is provided with the ejector pad.

8. The blackboard eraser according to claim 7, characterized in that: the top end of the nozzle (14) is provided with a micropore plate (18), a plurality of micro through holes are distributed on the micropore plate (18), and the nozzle (14) and the kettle body (15) are screwed together through threads and are detachable devices.