CN211723022U - Novel universal eraser - Google Patents
Novel universal eraser Download PDFInfo
- Publication number
- CN211723022U CN211723022U CN202020024859.7U CN202020024859U CN211723022U CN 211723022 U CN211723022 U CN 211723022U CN 202020024859 U CN202020024859 U CN 202020024859U CN 211723022 U CN211723022 U CN 211723022U
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- Prior art keywords
- eraser
- transverse
- arm
- arms
- guide rail
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Abstract
The utility model discloses a novel universal eraser, which comprises a longitudinal arm, two transverse arms, a guide rail, a transverse driving mechanism, a longitudinal driving mechanism and an eraser; the top end and the bottom end of the longitudinal arm are respectively provided with a fixed arm which is arranged transversely and in the same direction; the two cross arms are respectively hinged to the two fixing arms and can be turned to be transverse or longitudinal; the fixed arm and the cross arm are both provided with transverse sliding chutes; the guide rails are arranged between the transverse sliding grooves of the two fixed arms in a transverse sliding manner and can transversely slide along the transverse sliding grooves of the transverse arms when the two transverse arms are overturned to the transverse direction; the blackboard eraser can be longitudinally arranged at the guide rail in a sliding way; the transverse driving mechanism is in transmission connection with the guide rail and is used for driving the guide rail to transversely move; the longitudinal driving mechanism is in transmission connection with the eraser and is used for driving the eraser to move longitudinally; and the fixed arm, the longitudinal arm and the transverse arm are provided with suckers. The utility model has the advantages of can clean face or wall convenient high-efficient, and can fold and reduce to in accomodate.
Description
Technical Field
The utility model relates to an blackboard eraser field especially relates to a novel omnipotent eraser.
Background
In the era of rapid economic development, the construction and development of various plate surfaces and wall surfaces are greatly improved, and the cleaning and the painting of the plate surfaces and the wall surfaces are also very important.
When the board surface and the wall surface are cleaned, the traditional method is to manually hold the blackboard eraser for cleaning, so that the blackboard eraser is always marked after being cleaned, and the effect is not good; after cleaning is finished, the eraser needs to be placed, so that the use process is complicated and the efficiency is low; in addition, when dust is on the board surface or the wall surface, the cleaning causes secondary pollution and great harm to human bodies, such as chalk characters for cleaning the blackboard. In addition, still there is the device of whitewashing at present, but this type of device is bulky, and it is not convenient all to dismantle and accomodate.
SUMMERY OF THE UTILITY MODEL
Therefore, a novel universal eraser is needed to be provided to solve the problems that in the prior art, the process of manually taking a wall brush to wipe a wall surface is complicated, the efficiency is low, and the size of a painting device is large.
In order to achieve the purpose, the inventor provides a novel universal eraser which comprises a longitudinal arm, two transverse arms, a guide rail, a transverse driving mechanism, a longitudinal driving mechanism and an eraser;
the top end and the bottom end of the longitudinal arm are respectively provided with a fixed arm, and the fixed arms are arranged transversely and in the same direction; the two cross arms are respectively hinged to the two fixing arms and can be turned to be transverse or longitudinal; the fixed arm and the cross arm are both provided with transverse sliding chutes, and the transverse sliding chutes of the cross arm are spliced with the transverse sliding chutes of the fixed arm when the cross arm is overturned to the transverse direction;
the guide rails are arranged between the transverse sliding grooves of the two fixed arms in a transverse sliding manner and can transversely slide along the transverse sliding grooves of the transverse arms when the two transverse arms are overturned to the transverse direction;
the blackboard eraser can be longitudinally and slidably arranged at the guide rail;
the transverse driving mechanism is in transmission connection with the guide rail and is used for driving the guide rail to transversely move; the longitudinal driving mechanism is in transmission connection with the eraser and is used for driving the eraser to move longitudinally;
the fixed arm, the longitudinal arm and the cross arm are all provided with suckers, and the suckers face the same direction with the working surface of the blackboard eraser.
As an optimized structure of the utility model, the xarm is a telescopic arm.
As a preferred structure of the utility model, the transverse chute of the fixed arm is arranged inside the fixed arm, and the transverse chute of the cross arm is arranged inside the cross arm; the top end and the bottom end of the guide rail are respectively provided with a moving part, the moving parts can transversely movably penetrate through the transverse sliding grooves of the fixed arms, and can transversely movably penetrate through the transverse guide rails of the transverse arms when the two transverse arms are overturned to the transverse direction.
As a preferred structure of the utility model, the transverse sliding groove is provided with a rack, the moving member is a gear, and the gear is meshed with the rack; the transverse driving mechanism is a rotating motor, and the output end of the rotating motor is in transmission connection with the gear.
As a preferred structure of the present invention, the moving member is a roller; the transverse driving mechanism comprises a forward winch and a reverse winch, the forward winch and the reverse winch are respectively arranged at the cross arm and the longitudinal arm, ropes of the forward winch and the reverse winch are connected with the guide rail, and the winding directions of the forward winch and the reverse winch are horizontal and reverse.
As a preferred structure of the utility model, vertical actuating mechanism is screw motor, the blackboard eraser is provided with drive nut, screw motor sets up in guide rail department, and screw motor's lead screw vertically sets up to screw thread transmission ground revolves in drive nut department.
As a preferred structure of the utility model, the working surface of the eraser is rotatably provided with a plurality of brushes, the inside of the eraser is provided with a brush motor, and the brush motor is in transmission connection with the brushes; or the working surface of the blackboard eraser is rotatably provided with a plurality of rotating shafts, and the surface of each rotating shaft is provided with a wiping cloth; the blackboard eraser is characterized in that a rotating shaft motor is arranged inside the blackboard eraser, and a rotating shaft driving motor is in transmission connection with the rotating shaft.
As a preferred structure of the utility model, the utility model also comprises a mounting box; the mounting box can be longitudinally and slidably arranged at the guide rail, and the eraser is detachably arranged at the mounting box.
As a preferred structure of the utility model, the utility model also comprises a vacuum pump; a cavity is formed between the mounting box and the eraser; the vacuum pump is communicated with the cavity through an air pipe, the working surface of the eraser is provided with air holes, and the air holes are sunken in the working surface.
As a preferred structure of the utility model, the utility model also comprises a steam system; a cavity is formed between the mounting box and the eraser; the steam system is communicated with the cavity through an air pipe, steam holes are formed in the working surface of the eraser, and the steam holes are sunken in the working surface.
Different from the prior art, the novel universal eraser comprises a longitudinal arm, two transverse arms, a guide rail, a transverse driving mechanism, a longitudinal driving mechanism and an eraser body. The novel universal eraser is adsorbed on the plate surface or the wall surface through a sucking disc, and then the two cross arms are turned to the transverse direction, so that the novel universal eraser is installed; when wiping is needed, the transverse driving mechanism and the longitudinal driving mechanism are started according to the position to be wiped so as to drive the blackboard eraser to move, and the board surface or the wall surface can be cleaned in the moving process, so that the board surface or the wall surface can be cleaned conveniently and efficiently; when needs are dismantled, are carried or are accomodate, pull out the sucking disc from face or wall, make novel omnipotent wipe break away from face or wall, then overturn two xarms to vertically, be parallel with the trailing arm promptly, guide rail and blackboard eraser are located between two fixed arms this moment, and are received between trailing arm and xarm, holistic volume also reduces greatly, then is convenient for carry or accomodate.
Drawings
Fig. 1 is a structural diagram of a novel universal eraser according to an embodiment of the present invention;
fig. 2 is a usage state diagram of the novel universal eraser according to an embodiment of the present invention;
fig. 3 is a folding and accommodating view of the novel universal eraser according to an embodiment of the present invention;
fig. 4 is a mounting structure diagram of the eraser and the mounting box according to an embodiment of the present invention;
fig. 5 is a structural view of a working surface of the eraser according to an embodiment of the present invention;
fig. 6 is a structural view of a working surface of the eraser according to another embodiment of the present invention.
Description of reference numerals:
1. a trailing arm;
2. a fixed arm;
3. a cross arm;
4. a guide rail;
400. a roller;
5. a forward winch;
6. a reverse capstan;
7. a screw motor;
700. a screw rod;
8. a drive nut;
9. erasing the blackboard;
900. a pulley;
901. a brush;
902. wiping cloth;
903. air holes;
904. a steam vent;
905. a working surface;
10. mounting a box;
11. a controller;
12. an air tube;
13. a suction cup;
14. a steam system;
15. a vacuum pump;
16. and (4) a hinge.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present invention provides a novel universal eraser for erasing a blackboard or a wall surface, such as a blackboard, which can be efficiently, conveniently and mechanically cleaned, and can be folded and reduced when being transported and stored, thereby saving the occupied space and facilitating transportation and storage.
In a specific embodiment, the novel universal eraser comprises a longitudinal arm 1, two cross arms 3, a guide rail 4, a transverse driving mechanism, a longitudinal driving mechanism, an eraser 9 and a suction cup 13. The longitudinal arm 1 and the transverse arm 3 are frames of a novel universal eraser and are used for limiting the transverse moving track of the guide rail 4; the guide rail 4 is used for limiting the longitudinal moving track of the blackboard eraser 9; the transverse driving mechanism is used for driving the guide rail 4 to drive the blackboard eraser 9 to transversely move; the longitudinal driving mechanism is used for driving the blackboard eraser 9 to move longitudinally, and under the driving of the longitudinal driving mechanism and the transverse driving mechanism, the blackboard eraser 9 can be wiped to any position of a board surface or a wall surface; the eraser 9 is an actuating mechanism for wiping and cleaning the board surface or the wall surface, and the surface of the eraser 9 for wiping and cleaning the board surface or the wall surface is a working surface 905 of the eraser 9; the sucking discs 13 are provided with a plurality of sucking discs and are respectively arranged at the fixed arm 2, the longitudinal arm 1 and the cross arm 3, all the sucking discs 13 and the working surface 905 of the eraser 9 face towards the same direction, and a user can tightly suck the novel universal eraser on a board surface or a wall surface through the sucking discs 13, and the novel universal eraser is particularly suitable for smooth surfaces such as blackboards, white boards or glass.
The top and the bottom of vertical arm 1 are fixed respectively and are provided with fixed arm 2, fixed arm 2 is horizontal and with the orientation setting, promptly vertical arm 1 and two fixed arm 2 form T shape, fixed arm 2 is used for being connected xarm 3 and vertical arm 1, still is used for when accomodating novel omnipotent wiping, for accomodating guide rail 4 and blackboard eraser 9 space of letting out, therefore, the length of fixed arm 2 need not the overlength, only need can accomodate blackboard eraser 9 and guide rail 4 the length can, be provided with one at guide rail 4, blackboard eraser 9 sets up in guide rail 4 department, when blackboard eraser 9 width is greater than guide rail 4, fixed arm 2's length slightly is greater than blackboard eraser 9 width can, is provided with two at guide rail 4, when blackboard eraser 9 sets up between two guide rails 4, fixed arm 2's length slightly is greater than two guide rail 4 the total width can.
The two cross arms 3 are hinged to the two fixing arms 2 respectively and can be turned to the transverse direction or the longitudinal direction, and when the two cross arms 3 are turned to the transverse direction or the longitudinal direction and are not subjected to external force, the two cross arms are kept still, namely the two cross arms 3 are connected to the two fixing arms 2 respectively through hinges 16 with damping, such as damping hydraulic buffer hinges, when the two cross arms 3 are turned to the transverse direction, namely the novel universal eraser is installed on a board surface or a wall surface at the moment, cleaning operation is needed, and when the cross arms 3 are turned to the transverse direction, the two cross arms 3 are kept in the transverse state to limit the movement of the guide rail 4, so that the cleaning operation of the eraser 9 is; referring to fig. 3, when the two cross arms 3 are turned to the longitudinal direction, that is, the novel universal eraser is detached from the board or the wall and needs to be carried or stored, and when the cross arms 3 are turned to the longitudinal direction, the two cross arms 3 keep the longitudinal state, so that the novel universal eraser can always keep the folded and reduced state, and is convenient to carry and store.
The transverse driving mechanism is in transmission connection with the guide rail 4, the transverse driving mechanism can mechanically drive the guide rail 4 to transversely move, manual driving is not needed, cleaning operation is convenient and fast, and a user only needs to start the transverse driving mechanism.
The transverse sliding grooves can be formed in the side walls of the fixed arms 2 and the cross arms 3, in a preferred embodiment, the transverse sliding grooves of the fixed arms 2 are formed in the fixed arms 2, the transverse sliding grooves of the cross arms 3 are formed in the cross arms 3, namely the fixed arms 2 and the cross arms 3 are hollow, preferably, the fixed arms 2, the cross arms 3 and the longitudinal arms 1 are formed into square tubes, so that the novel universal eraser can be conveniently installed on the stability of the panel or wall surface isoplanar, and the transverse sliding grooves can be conveniently formed.
The top end and the bottom end of the guide rail 4 are respectively provided with a moving part, the moving part can transversely movably penetrate through the transverse sliding groove of the fixed arm 2, the moving part is hung in the transverse sliding groove of the fixed arm 2, and the moving part can transversely movably penetrate through the transverse guide rail 4 of the transverse arm 3 when the two transverse arms 3 are overturned to the transverse direction.
In one embodiment, the transverse sliding groove is provided with a rack, the moving member is a gear, the gear is meshed with the rack, the end part of the guide rail 4 is provided with a connecting rod, the connecting rod penetrates into the transverse sliding groove, and the gear is rotatably connected to the connecting rod. The horizontal driving mechanism is a rotating motor, the output end of the rotating motor is connected with the gear in a transmission mode, specifically, the rotating motor can be arranged in the horizontal sliding groove, the side wall of the horizontal sliding groove is provided with a sliding rail, the machine body of the rotating motor can be movably arranged at the sliding rail position along the sliding rail, and the output end of the rotating motor is fixedly connected with the axis of the gear in a coaxial mode. After the rotating motor is started, the rotating motor drives the gear to rotate, the gear moves along the rack under the meshing effect, the rotating motor moves along the sliding rail synchronously along with the movement of the gear, the guide rail 4 also moves transversely along with the gear, and the transverse reciprocating movement of the guide rail 4 is realized through the forward rotation and the reverse rotation of the rotating motor.
In another embodiment, the moving member may be a roller 400, and similarly, the end of the guide rail 4 is provided with a link penetrating into the transverse sliding groove, and the roller 400 is rotatably connected to the link. Referring to fig. 2, the transverse driving mechanism includes a forward winch 5 and a reverse winch 6, the forward winch 5 and the reverse winch 6 are respectively disposed at the transverse arm 3 and the longitudinal arm 1, the ropes of the two are both connected to the guide rail 4, and the winding directions of the two are horizontal and reverse. When the forward transverse movement is needed, the forward winch 5 winds the rope, the reverse winch 6 releases the rope synchronously, the guide rail 4 can transversely move towards the direction far away from the trailing arm 1, when the reverse transverse movement is needed, the forward winch 5 releases the rope, the reverse winch 6 winds the rope, and the guide rail 4 can transversely move towards the direction close to the trailing arm 1, so that the transverse reciprocating movement of the guide rail 4 can be realized.
The two forward winches 5 and the two reverse winches 6 may be provided, the two forward winches 5 are provided at the two cross arms 3, and the two reverse winches 6 are provided at the two ends of the trailing arm 1.
In order to increase the length of the transverse movement of the guide rail 4 with the eraser 9, in a preferred embodiment, the cross arm 3 can be provided as a telescopic arm which can be extended or shortened, so that a user can pull out the cross arm 3 or shorten the cross arm 3 according to the length of a board surface or a wall surface, and when the novel universal eraser needs to be carried or stored, the cross arm 3 is shortened to the shortest length so as not to influence the folding storage of the novel universal eraser. On the basis that the transverse sliding groove is arranged in the cross arm 3, the telescopic arm is also hollow, and the specific structure can refer to the telescopic rod of the umbrella.
The eraser 9 is longitudinally slidably disposed at the guide rail 4, in a preferred embodiment, the guide rail 4 is provided with two, the eraser 9 is disposed between the two guide rails 4, two sides of the eraser 9 can be provided with sliding blocks, the two sliding blocks can be slidably disposed at the guide rail 4 without departing from the guide rail 4, two sides of the eraser 9 can also be provided with pulleys 900, the pulleys 900 can be rollably disposed at the guide rail 4 without departing from the guide rail 4, and such an arrangement enables the eraser 9 to longitudinally move along the guide rail 4.
Similarly, in order to mechanically drive the guide rail 4 to move transversely without manual driving, so that the cleaning operation is more convenient, the longitudinal driving mechanism is in transmission connection with the eraser 9, the longitudinal driving mechanism can drive the eraser 9 to move longitudinally, and when cleaning is needed, a user only needs to start the transverse driving mechanism.
In one embodiment, the longitudinal driving mechanism is a lead screw motor 7, the eraser 9 is provided with a transmission nut 8, the lead screw motor 7 is arranged at the guide rail 4, and a lead screw 700 of the lead screw motor 7 is longitudinally arranged, arranged at the guide rail through a bearing, and screwed at the transmission nut 8 in a threaded transmission manner. Starting the screw rod motor 7 to enable the screw rod 700 to rotate forwards (reversely), and at the moment, under the action of thread transmission, the eraser 9 moves upwards and longitudinally along the guide rail 4; or the screw motor 7 is started to make the screw 700 rotate reversely (rotate forwards), and at the moment, the eraser 9 moves downwards and longitudinally along the guide rail 4 under the action of screw transmission.
In another embodiment, the longitudinal driving mechanism may also be two-directional winches, the two-directional winches are respectively disposed at two ends of the guide rail 4, the rope is connected to the eraser 9, and the two-directional winches wind the rope in the upward longitudinal direction and the downward longitudinal direction, respectively, so as to achieve the purpose of driving the eraser 9 to longitudinally move back and forth.
Referring to fig. 4, in a further embodiment, a plurality of brushes 901 are rotatably disposed on a working surface 905 of the eraser 9, a brush motor is disposed inside the eraser 9, the brush motor is in transmission connection with the brushes 901, a gear may be disposed at one end of the brush 901 penetrating into the eraser 9, the gears of the brushes 901 are sequentially engaged, a gear is also disposed at an output end of the brush motor, the gear of one brush 901 is engaged with the gear of the brush motor, and after the brush motor is started, the gear of the brush motor drives all the brushes 901 to rotate.
Referring to fig. 5, a working surface 905 of the eraser 9 may also be rotatably provided with a plurality of rotating shafts, and a surface of each rotating shaft is provided with a cleaning cloth 902; the inside of blackboard eraser 9 is provided with the pivot motor, pivot driving motor is connected with the pivot transmission, and a plurality of pivots set up side by side, can be that the both sides of blackboard eraser 9 are provided with the mounting panel, and a plurality of pivots set up side by side between two mounting panels, and the both ends of every pivot all rotatably are connected to two mounting panels departments, and the one end of every pivot all is provided with the gear, the gear of each pivot meshes in proper order, the output of pivot motor also is provided with the gear to with the gear engagement of the pivot in the outside, after starting the pivot motor, the gear of pivot motor then can drive all pivots rotatory.
When the blackboard eraser 9 is driven to move, the brush motor or the rotating shaft driving motor is started, the brush 901 rotationally cleans the board surface or the wall surface, or the wiping cloth 902 rotationally wipes the board surface or the wall surface, so that wiping without dead corners is realized, and the cleaning effect is better.
Referring to fig. 1 and 4, in a further embodiment, a mounting box 10 is further included; the installation box 10 can be longitudinally slidably arranged at the guide rail 4, the eraser 9 can be detachably arranged at the installation box 10, if the installation box 10 and the eraser 9 are both cylindrical, the eraser 9 can be screwed at the installation box 10 through threads, in order to clean dead corners, the installation box 10 and the eraser 9 are preferably in the same direction, at the moment, the outer wall of the eraser 9 can be provided with a buckle, the inner wall of the opening of the installation box 10 for installing the eraser 9 is provided with a clamping groove, and the eraser 9 is tightly clamped at the installation box 10 through the buckle and the clamping groove. When the wiping board is mounted on the mounting box 10, the board surface or the wall surface can be cleaned mechanically, and when the wiping board is detached from the mounting box 10, the wiping board can be used manually.
In addition, the side wall of the eraser 9 may be provided with a ring of sealing ring to ensure that the cavity formed between the eraser 9 and the mounting box 10 can be sealed. On the basis, please refer to fig. 1, the novel universal eraser further comprises a vacuum pump 15; a cavity is formed between the mounting box 10 and the eraser 9; the vacuum pump 15 is communicated with the cavity through an air pipe 12, referring to fig. 4 or fig. 5, an air hole 903 is formed in a working surface 905 of the eraser 9, and the air hole 903 is recessed in the working surface 905. Therefore, when the blackboard eraser 9 cleans the board surface, the wiped dust or dust can be sucked away, such as chalk dust of the blackboard, so that secondary pollution is avoided, air convection is realized, and the drying of the water vapor conveyed to the board surface or the wall surface by the steam system 14 is accelerated.
Referring to fig. 1, the novel all-purpose wiper can further comprise a steam system 14, wherein the steam system 14 is connected with the water tank; a cavity is formed between the mounting box 10 and the eraser 9; the steam system 14 is communicated with the cavity through the air pipe 12, referring to fig. 4 or fig. 5, a working surface 905 of the eraser 9 is provided with steam holes 904, and the steam holes 904 are recessed in the working surface 905. When the board eraser 9 cleans a board surface or a wall surface, water in the water tank can be converted into water vapor and conveyed to the working surface 905 of the board eraser 9, so that water vapor blowing is realized, the cleaning is more thorough, in addition, the water vapor is converted into the water vapor for cleaning the board eraser 9, and the phenomenon that the water flows down in a strand at the wiping part can be avoided. In the actual use process, a cleaning agent can be added into water in the water tank to increase the cleaning force, and when the painting agent is placed in the water tank, the painting operation can be carried out.
The device can also be provided with a controller 11, the controller 11 is connected with the transverse driving mechanism, the longitudinal driving mechanism, the steam system 14, the brush motor and the rotating shaft motor, and a user can realize the control of the transverse driving mechanism, the longitudinal driving mechanism, the steam system 14, the brush motor and the rotating shaft motor through the controller 11.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.
Claims (10)
1. A novel universal eraser is characterized by comprising a longitudinal arm, two transverse arms, a guide rail, a transverse driving mechanism, a longitudinal driving mechanism and an eraser plate;
the top end and the bottom end of the longitudinal arm are respectively provided with a fixed arm, and the fixed arms are arranged transversely and in the same direction; the two cross arms are respectively hinged to the two fixing arms and can be turned to be transverse or longitudinal; the fixed arm and the cross arm are both provided with transverse sliding chutes, and the transverse sliding chutes of the cross arm are spliced with the transverse sliding chutes of the fixed arm when the cross arm is overturned to the transverse direction;
the guide rails are arranged between the transverse sliding grooves of the two fixed arms in a transverse sliding manner and can transversely slide along the transverse sliding grooves of the transverse arms when the two transverse arms are overturned to the transverse direction;
the blackboard eraser can be longitudinally and slidably arranged at the guide rail;
the transverse driving mechanism is in transmission connection with the guide rail and is used for driving the guide rail to transversely move; the longitudinal driving mechanism is in transmission connection with the eraser and is used for driving the eraser to move longitudinally;
the fixed arm, the longitudinal arm and the cross arm are all provided with suckers, and the suckers face the same direction with the working surface of the blackboard eraser.
2. The novel universal eraser of claim 1 wherein said cross arm is a telescoping arm.
3. The novel universal eraser as claimed in claim 1, wherein the transverse sliding groove of the fixed arm is disposed inside the fixed arm, and the transverse sliding groove of the cross arm is disposed inside the cross arm; the top end and the bottom end of the guide rail are respectively provided with a moving part, the moving parts can transversely movably penetrate through the transverse sliding grooves of the fixed arms, and can transversely movably penetrate through the transverse guide rails of the transverse arms when the two transverse arms are overturned to the transverse direction.
4. The novel universal eraser as claimed in claim 3, wherein said transverse sliding groove is provided with a rack, said moving member is a gear, said gear is engaged with said rack; the transverse driving mechanism is a rotating motor, and the output end of the rotating motor is in transmission connection with the gear.
5. The novel all-purpose eraser of claim 3, wherein said moving member is a roller; the transverse driving mechanism comprises a forward winch and a reverse winch, the forward winch and the reverse winch are respectively arranged at the cross arm and the longitudinal arm, ropes of the forward winch and the reverse winch are connected with the guide rail, and the winding directions of the forward winch and the reverse winch are horizontal and reverse.
6. The novel universal eraser as claimed in claim 1, wherein the longitudinal driving mechanism is a lead screw motor, the eraser is provided with a transmission nut, the lead screw motor is arranged at the guide rail, and the lead screw of the lead screw motor is longitudinally arranged and is screwed at the transmission nut in a threaded transmission manner.
7. The novel universal eraser as claimed in claim 1, wherein the working surface of the eraser is rotatably provided with a plurality of brushes, the eraser is internally provided with a brush motor, and the brush motor is in transmission connection with the brushes; or the working surface of the blackboard eraser is rotatably provided with a plurality of rotating shafts, and the surface of each rotating shaft is provided with a wiping cloth; the blackboard eraser is characterized in that a rotating shaft motor is arranged inside the blackboard eraser, and a rotating shaft driving motor is in transmission connection with the rotating shaft.
8. The novel all-purpose eraser as claimed in claim 1, further comprising a mounting case; the mounting box can be longitudinally and slidably arranged at the guide rail, and the eraser is detachably arranged at the mounting box.
9. The novel all-purpose eraser as claimed in claim 8, further comprising a vacuum pump; a cavity is formed between the mounting box and the eraser; the vacuum pump is communicated with the cavity through an air pipe, the working surface of the eraser is provided with air holes, and the air holes are sunken in the working surface.
10. The novel all-purpose eraser of claim 8 further comprising a steam system; a cavity is formed between the mounting box and the eraser; the steam system is communicated with the cavity through an air pipe, steam holes are formed in the working surface of the eraser, and the steam holes are sunken in the working surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020024859.7U CN211723022U (en) | 2020-01-07 | 2020-01-07 | Novel universal eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020024859.7U CN211723022U (en) | 2020-01-07 | 2020-01-07 | Novel universal eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211723022U true CN211723022U (en) | 2020-10-23 |
Family
ID=72867963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020024859.7U Expired - Fee Related CN211723022U (en) | 2020-01-07 | 2020-01-07 | Novel universal eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211723022U (en) |
-
2020
- 2020-01-07 CN CN202020024859.7U patent/CN211723022U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 Termination date: 20220107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |