CN216579880U

CN216579880U - Portable handwriting pad with adjustable writing area

Info

Publication number: CN216579880U
Application number: CN202122030246.1U
Authority: CN
Inventors: 郑会敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-05-24
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a portable handwriting board capable of adjusting writing area, which comprises a bottom board, wherein a supporting board is arranged on the upper surface of the bottom board, a first sliding block is connected to one side of the supporting board in a sliding manner, a fixed board is arranged on the upper surface of the first sliding block, one side of the fixed board is connected with a first handwriting board through a telescopic rod, a connecting board is arranged on one side of the first sliding block, and the end part of the connecting board penetrates through the supporting board and is connected with a push block.

Description

Portable handwriting pad with adjustable writing area

Technical Field

The utility model relates to the technical field of education equipment, in particular to a portable handwriting board capable of adjusting writing area.

Background

Education software is a software system for education service, and the education software is organically combined with a network platform along with the development of education informatization, and new education software is required to share education resources on the network. Due to the development and application of the education software informatization platform, the education software is developed to an education cloud [1] platform, and particularly according to the requirement of 'quality education cloud platform' of the twelve-five planning of China, a plurality of education resources are integrated into the whole education cloud platform, and a large number of education resources are integrated together to form a part of the whole education software platform.

Chinese patent discloses a portable's handwriting pad for education software, (grant bulletin number CN 207249642U), this patent technique can be through setting up the stretching strap, make the handwriting pad can hang on user's body, made things convenient for user's carrying, through setting up resetting means, make the grab bar near the lateral wall of protective housing when not using, prevent to produce the influence to the carrying of handwriting pad, but in real life, because education service's knowledge point is comparatively extensive, the condition that handwriting pad area is used inadequately can appear in the inevitable when education. Accordingly, those skilled in the art have provided a handy writing pad for educational software to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable handwriting board with an adjustable writing area, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a portable handwriting board capable of adjusting writing area comprises a bottom board, wherein a supporting board is arranged on the upper surface of the bottom board, a first sliding block is slidably connected to one side of the supporting board, a fixed board is arranged on the upper surface of the first sliding block, a first handwriting board is connected to one side of the fixed board through a telescopic rod, a connecting board is arranged on one side of the first sliding block, the end portion of the connecting board penetrates through the supporting board and is connected with a push block, a rack is arranged at the top end of the push block, a limiting board is arranged at the top end of the supporting board, a threaded sleeve is rotatably connected onto the limiting board through a bearing, a lead screw is connected into the threaded sleeve in a threaded manner, a limiting mechanism used for limiting the lead screw is arranged on the limiting board, a fluted disc matched with the rack is fixedly connected to one end, away from the lead screw, the fluted disc is meshed with the rack, and a second handwriting board is fixedly arranged on the upper surface of the bottom board and positioned on one side of the first handwriting board.

As a further scheme of the utility model: the utility model discloses a handwriting pad, including backup pad, bottom plate, first spout, first slider and first spout sliding connection, the backup pad is vertical to be set up, just distribute perpendicularly between backup pad and the bottom plate, the backup pad right side is provided with first spout along its length direction, through the cooperation between first spout and the first slider, be favorable to first slider to drive first handwriting pad and reciprocate.

As a still further scheme of the utility model: be provided with in the backup pad and be linked together the opening that is used for the connecting plate to reciprocate with first spout, open-ended size is identical with the connecting plate size, through open-ended setting, makes things convenient for the connecting plate to reciprocate along with first slider inside the opening.

As a still further scheme of the utility model: the right flank movable mounting of ejector pad has the walking wheel, the walking wheel with closely laminate between the backup pad, the setting of walking wheel plays and reduces the frictional force between ejector pad and the backup pad, makes the effect that promotes the ejector pad better.

As a still further scheme of the utility model: the lower fixed surface of first handwriting pad is connected with first soft set-square, the upper fixed surface of second handwriting pad be connected with the soft set-square of first soft set-square assorted second, when first handwriting pad removes to the soft set-square top of second, just mutually support through first soft set-square and the soft set-square of second, make the gap between first handwriting pad and the second handwriting pad accomplish to eliminate.

As a still further scheme of the utility model: the limiting mechanism comprises extending rods arranged at two sides of the limiting plate, the end parts of the two extending rods at the opposite sides are respectively provided with a second sliding block, the two side walls of the screw rod and the second sliding block are correspondingly provided with second sliding chutes, the second sliding block is connected with the second sliding chutes in a sliding way, under the cooperation of the extension rod, the second slide block and the second sliding groove, when the rack is engaged with the fluted disc, the pushing block is pushed continuously to make the rack drive the fluted disc to rotate, so that the fluted disc drives the threaded sleeve to rotate, because the threaded sleeve is in threaded connection with the screw rod, and because the extension rod is fixedly connected with the limiting plate, the second sliding block is in sliding connection with the second sliding chute, thereby played good limiting displacement to the lead screw to when making the screw sleeve rotate, make the lead screw remove along its length direction, thereby promote first handwriting board and move forward and second handwriting board top contact together.

As a still further scheme of the utility model: be provided with reset spring in the telescopic link, through set up reset spring in the telescopic link, when promoting the ejector pad downwards, the lead screw can remove left, and under reset spring's elastic action this moment, can make first handwriting pad slowly resume to the normal position along with the removal of lead screw.

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

1. the utility model has the advantages that the supporting plate is arranged on the upper surface of the bottom plate, the first sliding groove is arranged on the right side surface of the supporting plate, the first handwriting board can conveniently move up and down, the first handwriting board can move left and right through the arranged telescopic rod, the connecting plate is arranged in the supporting plate through the opening, the push block is arranged at the left end of the connecting plate, the push block is pushed to drive the rack to move upwards, the threaded sleeve is driven to rotate through the engagement of the fluted disc and the rack, the first handwriting board moves upwards along with the upward movement of the push block, when the rack is in contact with the fluted disc, the screw rod can be limited through the mutual matching among the extension rod, the second sliding groove and the second sliding block, the screw rod is driven to move rightwards, the first handwriting board is pushed rightwards, when the rack moves to the highest position, the first handwriting board is just above the second handwriting board, and the first soft triangular board and the second soft triangular board are mutually matched, the gap between the first writing board and the second writing board is eliminated, a good writing effect is achieved, the area of the writing board is increased, and the handwriting board is more convenient to use.

2. Through the arrangement of the first soft triangular plate and the second soft triangular plate, when the first handwriting board moves to the position above the second handwriting board, the first soft triangular plate and the second soft triangular plate are matched with each other, so that a gap between the first handwriting board and the second handwriting board is eliminated.

3. Through the extension rod, under the cooperation between second slider and the second spout, make when rack and fluted disc intermeshing, continue to promote the ejector pad, make the rack drive the fluted disc and rotate, thereby make the fluted disc drive threaded sleeve rotate, because threaded sleeve and lead screw threaded connection, again because extension rod and limiting plate fixed connection, second slider and second spout sliding connection, thereby good limiting displacement has been played the lead screw, thereby when making the threaded sleeve rotate, make the lead screw remove along its length direction, thereby promote first handwriting board and move forward with the second handwriting board top contact together.

Drawings

Fig. 1 is a schematic structural diagram of a portable handwriting pad with an adjustable writing area.

Fig. 2 is a schematic structural diagram of a limiting plate in a portable handwriting pad capable of adjusting writing area.

Fig. 3 is a connection diagram of a screw rod and a threaded sleeve in a portable handwriting board with an adjustable writing area.

Fig. 4 is a schematic structural diagram of a side surface of a support plate in a portable handwriting board with an adjustable writing area.

FIG. 5 is a schematic diagram of a side structure of a rack and a fluted disc connection in a portable writing pad with an adjustable writing area.

In the figure: 1. a base plate; 2. a support plate; 3. a first chute; 4. a first slider; 5. a fixing plate; 6. a telescopic rod; 7. a first writing pad; 8. a second writing pad; 9. a second soft triangle; 10. a first soft set square; 11. an opening; 12. a connecting plate; 13. a push block; 14. a traveling wheel; 15. a rack; 16. a limiting plate; 17. a threaded sleeve; 18. an extension rod; 19. a fluted disc; 20. a screw rod; 21. a second chute; 22. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the utility model, a portable handwriting pad capable of adjusting a writing area includes a bottom plate 1, a support plate 2 is disposed on an upper surface of the bottom plate 1, a first slider 4 is slidably connected to one side of the support plate 2, a fixing plate 5 is disposed on an upper surface of the first slider 4, a first handwriting pad 7 is connected to one side of the fixing plate 5 through a telescopic rod 6, a connecting plate 12 is disposed on one side of the first slider 4, an end of the connecting plate 12 penetrates through the support plate 2 and is connected to a push block 13, a rack 15 is disposed at a top end of the push block 13, a limit plate 16 is disposed at a top end of the support plate 2, a threaded sleeve 17 is rotatably connected to the limit plate 16 through a bearing, a lead screw 20 is connected to the threaded sleeve 17 through a thread, and a limit mechanism for limiting the lead screw 20 is disposed on the limit plate 16, threaded sleeve 17 keeps away from 20 one end fixedly connected with of lead screw and rack mutually supporting's fluted disc 19 with rack 15, just fluted disc 19 and rack 15 intermeshing, the upper surface of bottom plate 1 is located first handwriting board 7 one side and fixedly is provided with second handwriting board 8.

The support plate 2 is vertically arranged, the support plate 2 and the bottom plate 1 are vertically distributed, a first sliding groove 3 is formed in the right side of the support plate 2 along the length direction of the support plate, and the first sliding block 4 is connected with the first sliding groove 3 in a sliding mode.

Through the cooperation between first spout 3 and the first slider 4, be favorable to first slider 4 to drive first handwriting pad 7 and reciprocate.

An opening 11 which is connected with the first sliding chute 3 and is commonly used for the up-and-down movement of the connecting plate 12 is arranged in the supporting plate 2, and the size of the opening 11 is matched with that of the connecting plate 12.

Through the arrangement of the opening 11, the connecting plate 12 can move up and down along with the first sliding block 4 in the opening 11 conveniently.

The right side surface of the push block 13 is movably provided with a walking wheel 14, and the walking wheel 14 is tightly attached to the support plate 2.

The arrangement of the walking wheels 14 reduces the friction force between the pushing block 13 and the supporting plate 2, so that the pushing block 13 is pushed better.

The lower fixed surface of first handwriting board 7 is connected with first soft set-square 10, the upper fixed surface of second handwriting board 8 be connected with first soft set-square 10 assorted soft set-square 9 of second.

When the first writing board 7 moves above the second writing board 8, the first soft triangle 10 and the second soft triangle 9 are matched with each other, so that the gap between the first writing board 7 and the second writing board 8 is eliminated.

Limiting mechanism is including setting up in the extension bar 18 of limiting plate 16 both sides, two the tip of the relative one side of extension bar 18 all is provided with second slider 22, the both sides wall of lead screw 20 corresponds with second slider 22 and is provided with second spout 21, second slider 22 and second spout 21 sliding connection.

Through extension rod 18, under the cooperation between second slider 22 and the second spout 21, make when rack 15 and fluted disc 19 intermeshing, continue to promote ejector pad 13, can make rack 15 drive fluted disc 19 rotate, thereby make fluted disc 19 drive threaded sleeve 17 rotate, because threaded sleeve 17 and lead screw 20 threaded connection, because extension rod 18 and limiting plate 16 fixed connection again, second slider 22 and second spout 21 sliding connection, thereby good limiting displacement has been played lead screw 20, thereby when making threaded sleeve 17 rotate, can make lead screw 20 remove along its length direction, thereby promote first handwriting board 7 and move forward and second handwriting board 8 top contact together.

And a return spring is arranged in the telescopic rod 6.

Through setting up reset spring in telescopic link 6, when pushing away ejector pad 13 downwards, lead screw 20 will move left, and under reset spring's elastic action this moment, make first handwriting board 7 slowly resume to the normal position along with the removal of lead screw 20.

The working principle of the utility model is as follows:

before the device is used, the supporting plate 2 is arranged on the upper surface of the bottom plate 1, the first sliding groove 3 is formed in the right side surface of the supporting plate 2, so that the first handwriting board 7 can move up and down conveniently, the first handwriting board 7 can move left and right through the arranged telescopic rod 6, the connecting plate 12 is arranged in the supporting plate 2 through the opening 11, the pushing block 13 is arranged at the left end of the connecting plate 12, the pushing block 13 is pushed to drive the rack 15 to move upwards, the toothed disc 19 is meshed with the rack 15 to drive the threaded sleeve 17 to rotate, the first handwriting board 7 moves upwards along with the upwards movement of the pushing block 13, when the rack 15 is in contact with the toothed disc 19, the extending rod 18, the second sliding groove 21 and the second sliding block 22 are matched with each other, the screw rod 20 can be limited, the screw rod 20 can move rightwards, and the first handwriting board 7 is pushed rightwards, when the rack 15 moves to the highest point, the first handwriting board 7 is just positioned right above the second handwriting board 8, and the first soft triangular board 10 and the second soft triangular board 9 are matched with each other, so that the gap between the first handwriting board 7 and the second handwriting board 8 is eliminated, a good writing effect is achieved, the area of the handwriting board is increased, and the handwriting board is more convenient to use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The portable handwriting board capable of adjusting the writing area comprises a bottom board (1) and is characterized in that a supporting board (2) is arranged on the upper surface of the bottom board (1), a first slider (4) is slidably connected to one side of the supporting board (2), a fixing board (5) is arranged on the upper surface of the first slider (4), a first handwriting board (7) is connected to one side of the fixing board (5) through a telescopic rod (6), a connecting board (12) is arranged on one side of the first slider (4), the end portion of the connecting board (12) penetrates through the supporting board (2) and is connected with a push block (13), a rack (15) is arranged at the top end of the push block (13), a limiting board (16) is arranged at the top end of the supporting board (2), a threaded sleeve (17) is rotatably connected to the limiting board (16) through a bearing, and a lead screw (20) is connected to the threaded sleeve (17) through internal threads, just be provided with on limiting plate (16) and be used for carrying out spacing stop gear to lead screw (20), lead screw (20) one end fixedly connected with and rack (15) fluted disc (19) of mutually supporting are kept away from in threaded sleeve (17), just fluted disc (19) and rack (15) intermeshing, the upper surface of bottom plate (1) is located first handwriting board (7) one side and fixedly is provided with second handwriting board (8).

2. The portable writing pad with adjustable writing area according to claim 1, wherein the supporting plate (2) is vertically arranged, the supporting plate (2) and the bottom plate (1) are vertically distributed, the right side of the supporting plate (2) is provided with a first sliding groove (3) along the length direction thereof, and the first sliding block (4) is slidably connected with the first sliding groove (3).

3. The portable writing pad with adjustable writing area according to claim 1, wherein the supporting plate (2) is internally provided with an opening (11) which is connected with the first sliding chute (3) and is used for the connection plate (12) to move up and down, and the size of the opening (11) is matched with that of the connection plate (12).

4. The portable writing pad with the adjustable writing area according to claim 1, wherein a walking wheel (14) is movably mounted on the right side surface of the pushing block (13), and the walking wheel (14) is tightly attached to the supporting plate (2).

5. The portable handwriting board with adjustable writing area according to claim 1, characterized in that a first soft triangle (10) is fixedly connected to the lower surface of said first handwriting board (7), and a second soft triangle (9) matched with said first soft triangle (10) is fixedly connected to the upper surface of said second handwriting board (8).

6. The portable writing pad with the adjustable writing area according to claim 1, wherein the limiting mechanism comprises extending rods (18) disposed at two sides of the limiting plate (16), two ends of one side of the extending rods (18) opposite to each other are provided with second sliding blocks (22), two side walls of the screw rod (20) are provided with second sliding grooves (21) corresponding to the second sliding blocks (22), and the second sliding blocks (22) are slidably connected to the second sliding grooves (21).

7. The portable writing pad with adjustable writing area according to claim 1, wherein a return spring is arranged in the telescopic rod (6).