CN111845156A

CN111845156A - Commercial affairs foreign language teaching writing device

Info

Publication number: CN111845156A
Application number: CN202010655566.3A
Authority: CN
Inventors: 宋岷源
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-30

Abstract

The invention discloses a business foreign language teaching writing device which comprises a main board, wherein a writing board is fixedly connected to the middle of the front surface of the main board, the writing board is connected with a wiping mechanism through two driving mechanisms, the two driving mechanisms are respectively positioned at the upper end and the lower end of the main board, a first sliding groove is formed in each of the upper end and the lower end of the front surface of the main board, a storage board is fixedly connected to the inner part of one side of the main board, a groove is formed in the front surface of the storage board, an ejection mechanism is arranged in the groove, extrusion plates are slidably connected to the upper end and the lower end of the inner part of the groove, a writing pen is clamped between the extrusion plates and is positioned on the front surface of the ejection mechanism.

Description

Commercial affairs foreign language teaching writing device

Technical Field

The invention relates to a writing device, in particular to a commercial foreign language teaching writing device, and belongs to the technical field of teaching writing.

Background

People can use a plurality of devices when learning business english, and in order to deepen the impression of people on business english, the contents of learning are usually written on a writing device.

At present used writing device is in the use, mostly depends on the manual content of utilizing wiping implement to write of user to wipe, and is comparatively troublesome, and the instrument of wiping and writing device's main part are placed separately, and is comparatively inconvenient when carrying, and used pen is mostly connected on writing device's main part through the cotton rope during writing, but during the use, the cotton rope twines easily on other parts of writing device, hinders the user and uses.

Disclosure of Invention

The invention provides a business foreign language teaching writing device which effectively solves the problems in the prior art.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a business foreign language teaching writing device, which comprises a main board, wherein a writing board is fixedly connected to the middle part of the front surface of the main board, the writing board is connected with a wiping mechanism through two driving mechanisms, the two driving mechanisms are respectively positioned at the upper end and the lower end of the main board, the upper end and the lower end of the front surface of the main board are respectively provided with a first chute, a storage board is fixedly connected to the inner part of one side of the main board, the front surface of the storage board is provided with a groove, an ejection mechanism is arranged in the groove, the upper end and the lower end of the inner part of the groove are respectively connected with an extrusion plate in a sliding manner, a writing pen is clamped between the two extrusion plates and is positioned on the front surface of the ejection mechanism, one side of the extrusion plate, far away from the middle part of the groove, is respectively and fixedly connected to the inner wall of the groove, one end of the third, and an extrusion mechanism is arranged on the side wall of the middle part of one side of the storage plate, which is far away from the writing plate, and the extrusion mechanism is connected with the ejection mechanism.

As a preferred technical scheme of the invention, the two driving mechanisms comprise fixed shells, the fixed shells are fixedly connected on a main board, slide cavities are respectively arranged in the fixed shells, the front surfaces of the fixed shells are respectively provided with a first through groove in a penetrating manner, bearings are respectively fixedly embedded in the side walls of the fixed shells on one sides far away from the storage plate, servo motors are respectively and fixedly connected on the outer walls of the fixed shells on one sides far away from the storage plate, the output ends of the servo motors face the fixed shells, transmission shafts are respectively and fixedly connected on the output ends of the servo motors, one ends of the transmission shafts far away from the servo motors respectively penetrate through the bearings on the same sides and extend into the slide cavities in the fixed shells on the same sides, driving screw rods are respectively and fixedly connected at one ends of the transmission shafts far away from the servo motors, the ends of the driving screw rods far away from the transmission shafts are respectively and rotatably connected on the inner walls of the slide cavities on one, the outside of servo motor all is equipped with the protective housing, the protective housing all can be dismantled through the bolt and connect on the outer wall of homonymy set casing.

As a preferable technical scheme of the invention, the wiping mechanism comprises two connecting plates, the two connecting plates are respectively positioned at the upper end and the lower end of the front surface of the writing board, one sides of the back surfaces of the two connecting plates, which are far away from the middle part of the writing board, are fixedly connected with driving blocks, the driving blocks are respectively sleeved and screwed on driving screw rods of the driving mechanisms at the same side, one sides of the back surfaces of the two connecting plates, which are close to the middle part of the writing board, are respectively and fixedly connected with sliding blocks, the sliding blocks are respectively and slidably connected with the inner parts of the first sliding grooves at the same side, one sides of the two connecting plates, which are close to the middle part of the writing board, are respectively and fixedly connected with a second sliding groove, the inner parts of the second sliding grooves are respectively and slidably connected with a sliding plate, the back surfaces of the sliding plates are respectively and, a support plate is arranged between the two fixing plates, a pull groove is transversely formed in the support plate in a penetrating mode, a friction plate is bonded to the back face of the support plate, and the back face of the friction plate is abutted to the front face of the writing board.

As a preferred technical scheme of the invention, the upper end and the lower end of the carrier plate are both provided with rotating grooves, rotating shafts are fixedly connected inside the rotating grooves, and one ends of the rotating shafts far away from the middle part of the carrier plate are both rotatably connected to the fixing plates on the same side.

As a preferred technical scheme of the invention, the ejection mechanism comprises an ejector block, the ejector block is slidably connected inside the groove, the front surface of the ejector block abuts against the writing pen, the back surface of the ejector block is obliquely arranged, one side of the ejector block, which is close to the writing board, is fixedly connected with a spring block, the spring block is slidably connected inside a third chute, the middle part of the spring block penetrates through and is slidably connected with a positioning rod, the front end and the rear end of the positioning rod are both fixedly connected to the inner wall of the third chute, a second spring is sleeved on the outer wall of the part of the circumference of the positioning rod, which is located at the back surface of the spring block, one end of the second spring is fixedly connected to the spring block, and the other end of the second spring is fixedly connected to the inner wall of the third.

As a preferred technical scheme of the invention, the extrusion mechanism comprises a shell, the shell penetrates through and is fixedly connected to the storage plate, a second through groove penetrates through one side of the shell, which is close to the writing plate, a limiting groove is formed in each of the inner walls of the front part and the rear part of the shell, an extrusion block is connected in the shell in a sliding manner, one side of the extrusion block, which is close to the writing plate, is obliquely arranged, one side of the extrusion block, which is close to the writing plate, is matched with and abuts against the back surface of an ejector block of the ejection mechanism, a fixing rod is fixedly connected to the middle part of one side of the extrusion block, which is far away from the writing plate, a limiting block is fixedly connected to each of the front part and the rear part.

As a preferable technical scheme of the invention, one end of the fixing rod, which is far away from the extrusion block, penetrates through and is connected to the side wall of the shell, which is far away from the writing board, in a sliding manner, and one end of the fixing rod, which is far away from the extrusion block, is fixedly connected with the baffle plate.

As a preferable technical scheme of the invention, the upper end and the lower end of the writing pen are both abutted against the extrusion plate on the same side, and the distance between the two sides of the writing pen is smaller than that between the two sides of the groove.

The invention has the following beneficial effects:

1. the main board is connected with the wiping mechanism through the driving mechanism, and when the cleaning device is used, the servo motor of the driving mechanism is used for driving the friction plate of the wiping mechanism to slide on the writing board, so that the content written on the writing board is wiped off, a user does not need to manually wipe off the content, and the cleaning device is convenient.

2. The connecting plate of the wiping mechanism is connected to the driving screw of the driving mechanism through the driving block and is connected to the first sliding groove on the main board through the sliding block in a sliding manner, so that the wiping mechanism is convenient for a user to carry.

3. The writing pen is positioned in the groove on the storage plate, the two extrusion plates with the third springs are arranged in the groove, the writing pen is fixed in the groove by the aid of elasticity of the third springs when the writing pen is used, the extrusion blocks of the extrusion mechanisms extrude the ejection blocks of the ejection mechanisms when the writing pen is taken out, the writing pen is ejected out of the groove, and then the writing pen can be used according to a normal method.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged view of the area A in FIG. 1;

FIG. 3 is a schematic view of the drive mechanism of the present invention;

FIG. 4 is a schematic view of the wiping mechanism of the present invention;

fig. 5 is an enlarged view of the area at B in fig. 4;

fig. 6 is a schematic view of the connection structure of the ejection mechanism and the pressing mechanism on the storage plate according to the present invention.

In the figure: 1. a main board; 2. a writing board; 3. a first chute; 4. a drive mechanism; 41. a stationary case; 42. a slide chamber; 43. a first through groove; 44. a bearing; 45. a servo motor; 46. a drive shaft; 47. a drive screw; 48. a protective shell; 5. a wiping mechanism; 51. a connecting plate; 52. a second chute; 53. a slide plate; 54. a first spring; 55. a fixing plate; 56. a carrier plate; 57. groove drawing; 58. a friction plate; 59. rotating the groove; 510. a rotating shaft; 511. a drive block; 512. a slider; 6. a storage plate; 7. an ejection mechanism; 71. a top block; 72. a spring block; 73. positioning a rod; 74. a second spring; 8. an extrusion mechanism; 81. a housing; 82. a second through groove; 83. a limiting groove; 84. extruding the block; 85. a limiting block; 86. a baffle plate; 87. fixing the rod; 9. a groove; 10. a writing pen; 11. a pressing plate; 12. a third spring; 13. and a third chute.

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.

Example (b): as shown in fig. 1-6, the writing device for foreign language teaching of commerce of the present invention comprises a main board 1, a writing board 2 is fixedly connected to the middle of the front surface of the main board 1, the writing board 2 is connected to a wiping mechanism 5 through two driving mechanisms 4, the two driving mechanisms 4 are respectively located at the upper and lower ends of the main board 1, the upper and lower ends of the front surface of the main board 1 are both provided with a first chute 3, a storage board 6 is fixedly connected to the inside of one side of the main board 1, a groove 9 is provided on the front surface of the storage board 6, an ejection mechanism 7 is installed inside the groove 9, the upper and lower ends of the inside of the groove 9 are both slidably connected to a squeezing board 11, a writing pen 10 is clamped between the two squeezing boards 11, the writing pen 10 is located on the front surface of the ejection mechanism 7, a third spring 12 is fixedly connected to the side of the squeezing board 11 away from the middle of the groove 9, one end of the third spring 12 away, the utility model discloses a writing pen 10, including recess 9, has set up third spout 13 on the recess is close to one side middle part inner wall of clipboard 2, deposit and install extrusion mechanism 8 on the board 6 one side middle part lateral wall of keeping away from clipboard 2, extrusion mechanism 8 and ejection mechanism 7 are connected, utilize extrusion mechanism 8 extrusion ejection mechanism 7, then utilize ejection mechanism 7 to extrude recess 9 with writing pen 10, make things convenient for the staff to take writing pen 10.

Wherein, the ejection mechanism 7 includes an ejector block 71, the ejector block 71 is slidably connected inside the groove 9, the front of the ejector block 71 is abutted against the writing pen 10, the back of the ejector block 71 is obliquely arranged, one side of the ejector block 71 close to the writing board 2 is fixedly connected with a spring block 72, the spring block 72 is slidably connected inside the third chute 13, the middle of the spring block 72 is penetrated and slidably connected with a positioning rod 73, the front end and the rear end of the positioning rod 73 are fixedly connected on the inner wall of the third chute 13, the outer wall of part of the circumference of the back of the spring block 72, on which the positioning rod 73 is located, is sleeved with a second spring 74, one end of the second spring 74 is fixedly connected on the spring block 72, the other end of the second spring 74 is fixedly connected on the inner wall of the third chute 13, the ejector block 71 moves the ejector block 71 back to the original position by using the elasticity of the second spring 74 after the writing pen 10 is ejected out of the groove 9, after which the writing pen 10 is conveniently placed.

Wherein, extrusion mechanism 8 includes casing 81, casing 81 runs through and fixed connection is on depositing board 6, one side that casing 81 is close to clipboard 2 runs through and has seted up second through-slot 82, all seted up spacing groove 83 on the front and back inner wall of casing 81, the inside sliding connection of casing 81 has extrusion piece 84, one side that extrusion piece 84 is close to clipboard 2 is the slope setting, one side that extrusion piece 84 is close to clipboard 2 and kicking block 71 back phase-match of ejection mechanism 7 and support together, one side middle part fixedly connected with dead lever 87 of clipboard 2 is kept away from to extrusion piece 84, the one end that extrusion piece 84 was kept away from to dead lever 87 runs through and sliding connection is on one side lateral wall that clipboard 2 was kept away from to casing 81, the one end fixedly connected with baffle 86 of extrusion piece 84 is kept away from to dead lever 87, the equal fixedly connected with stopper 85 in the front and back of extrusion piece 84, the limiting blocks 85 are connected inside the limiting grooves 83 on the same side in a sliding mode, the fixing rods 87 are pushed through the baffle plates 86, the extrusion blocks 84 are pushed into the grooves 9 through the fixing rods 87, the ejection mechanisms 7 are extruded, and the writing pens 10 are extruded through the ejection mechanisms 7.

The upper end and the lower end of the writing pen 10 are supported on the extrusion plate 11 on the same side, the distance between the two sides of the writing pen 10 is smaller than the distance between the two sides of the groove 9, the writing pen 10 is conveniently clamped in the groove 9, and the writing pen 10 is extruded from the inside of the groove 9 during use.

Wherein, two actuating mechanism 4 all includes set casing 41, the equal fixed connection of set casing 41 is on mainboard 1, smooth chamber 42 has all been seted up to the inside of set casing 41, the front of set casing 41 has all been run through and has been seted up first logical groove 43, all fixed the inlaying is equipped with bearing 44 on the lateral wall of one side that set casing 41 kept away from and deposits board 6, equal fixedly connected with servo motor 45 on the outer wall of one side that deposits board 6 was kept away from to set casing 41, servo motor 45's output all faces place set casing 41, equal fixedly connected with transmission shaft 46 on servo motor 45's the output, the one end that place servo motor 45 was kept away from to transmission shaft 46 all runs through homonymy bearing 44 and all extends to the inside smooth chamber 42 in the homonymy set casing 41, the equal fixedly connected with drive screw 47 in the one end that place servo motor 45 was kept away from to transmission shaft 46 was kept away from to drive screw 47, the one end that place drive screw 47 was all rotated and is connected and is On the side inner wall, servo motor 45's outside all overlaps and is equipped with protective housing 48, protective housing 48 all can dismantle the connection through the bolt on the outer wall of homonymy set casing 41, rotates drive screw 47 through servo motor 45, then utilizes drive screw 47 motion wiping mechanism 5 to move on clipboard 2, clears up the content on the clipboard 2.

Wherein, the wiping mechanism 5 comprises two connecting plates 51, two of the connecting plates 51 are respectively positioned at the upper and lower ends of the front surface of the writing board 2, one sides of the back surfaces of the two connecting plates 51 far away from the middle part of the writing board 2 are both fixedly connected with driving blocks 511, the driving blocks 511 are both sleeved and screwed on the driving screw rods 47 of the driving mechanism 4 at the same side, one sides of the back surfaces of the two connecting plates 51 near the middle part of the writing board 2 are both fixedly connected with sliders 512, the sliders 512 are both slidably connected inside the first sliding grooves 3 at the same side, one sides of the two connecting plates 51 near the middle part of the writing board 2 are both provided with second sliding grooves 52, the inside of the second sliding grooves 52 is both slidably connected with sliding plates 53, the back surfaces of the sliding plates 53 are both fixedly connected with first springs 54, the other ends of the first springs 54 are both fixedly connected on the inner walls of the second sliding grooves 52, one sides of, two be equipped with support plate 56 between the fixed plate 55, the inside of support plate 56 transversely runs through and has seted up kerve 57, the back of support plate 56 bonds there is friction disc 58, the front at clipboard 2 is supported at the back of friction disc 58, the turn trough 59 has all been seted up to the last lower extreme of support plate 56, the equal fixedly connected with pivot 510 in inside of turn trough 59, the one end that support plate 56 middle part was kept away from to pivot 510 all rotates and connects on homonymy fixed plate 55, slides on clipboard 2 through making friction disc 58, conveniently clears up the content on the clipboard 2 fast.

Specifically, when the portable writing instrument is used, a power supply is switched on, the fixing rod 87 is moved towards the direction close to the main board 1 through the baffle 86, the fixing rod 87 moves the extrusion block 84 again, the extrusion block 84 passes through the second through groove 82 and slides into the groove 9 on the storage board 6, the extrusion block 71 is extruded, the extrusion block 71 moves towards the front end inside the groove 9, the second spring 74 is continuously stretched by the extrusion block 71, when the baffle 86 is contacted with the outer wall of the shell 81, the writing instrument 10 is completely extruded out of the groove 9, a user can take up the writing instrument 10, the baffle 86 is released, the extrusion block 71 is pulled back to the original position under the elastic action of the second spring 74, the extrusion block 84 is extruded back to the inside of the shell 81, writing is carried out on the writing board 2 by the writing instrument 10, if the content on the writing board 2 is erased, the two servo motors 45 are started through a switch arranged on the main board 1, two servo motors 45 rotate the driving screw rods 47 through the transmission shaft 46, the two driving screw rods 47 drive the carrier plate 56 to move on the front surface of the writing board 2, at the same time, the carrier plate 56 can make the friction plate 58 slide on the writing board 2 to wipe off the content on the writing board 2, after the use is finished, the lower end of the writing pen 10 can be abutted against the extrusion plate 11 at the lower end inside the groove 9 and extrude the extrusion plate 11, the writing pen 10 is placed in the groove 9, after a period of use, the carrier plate 56 can be pulled to the direction far away from the main board 1 to make the friction plate 58 separate from the writing board 2, at the same time, the carrier plate 56 can continuously stretch the first spring 54 through the sliding plate 53, then the carrier plate 56 is rotated 180 degrees, then the carrier plate 56 is slowly loosened, under the elastic action of the second spring 74, the back surface of the carrier plate 56 at the moment can be abutted against the main board 1, the friction plate, the carrier plate 56 is turned back to the original position after a new friction plate 58 is replaced, and the operation can be continued.

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 utility model provides a commercial foreign language teaching writing device, includes mainboard (1), its characterized in that, mainboard (1) openly middle part fixedly connected with clipboard (2), clipboard (2) are connected with through two actuating mechanism (4) and clean mechanism (5), two actuating mechanism (4) are located the upper and lower extreme of mainboard (1) respectively, first spout (3) have all been seted up to the positive upper and lower extreme of mainboard (1), one side inside fixedly connected with of mainboard (1) deposits board (6), the front of depositing board (6) is seted up flutedly (9), ejection mechanism (7) are installed to the inside of recess (9), the equal sliding connection of the inside upper and lower extreme of recess (9) has stripper plate (11), two press from both sides between stripper plate (11) and hold pen (10), pen (10) are located ejection mechanism's (7) front, the utility model discloses a writing board, including recess (9), stripper plate (11), recess (9) middle part are kept away from to stripper plate (11) one side equal fixedly connected with third spring (12), the equal fixed connection of one end of place stripper plate (11) is kept away from in third spring (12) is on the inner wall of recess (9), third spout (13) have been seted up on recess (9) one side middle part inner wall near clipboard (2), install on the lateral wall of one side middle part of clipboard (2) was kept away from in deposit board (6) extrusion mechanism (8), extrusion mechanism (8) are connected with ejection mechanism (7).

2. The writing device for foreign language teaching of business use as claimed in claim 1, wherein the two driving mechanisms (4) each include a fixing case (41), the fixing cases (41) are both fixedly connected to the main board (1), the sliding cavities (42) are both formed inside the fixing cases (41), the first through grooves (43) are both formed through the front surfaces of the fixing cases (41), the bearings (44) are both fixedly embedded on the side wall of one side of the fixing cases (41) away from the storage board (6), the servo motors (45) are both fixedly connected to the outer wall of one side of the fixing cases (41) away from the storage board (6), the output ends of the servo motors (45) face the fixing cases (41), the transmission shafts (46) are both fixedly connected to the output ends of the servo motors (45), the ends of the transmission shafts (46) away from the servo motors (45) extend through the bearings (44) on the same side and both extend into the sliding cavities (41) on the same side of the fixing cases (41) Inside chamber (42), the equal fixedly connected with drive screw (47) of one end of locating servo motor (45) is kept away from in transmission shaft (46), drive screw (47) keep away from the one end of locating transmission shaft (46) and all rotate the connection on one side inner wall that is close to deposit board (6) in place smooth chamber (42), the outside of servo motor (45) all overlaps and is equipped with protective housing (48), protective housing (48) all can be dismantled through the bolt and connect on the outer wall of homonymy set casing (41).

3. The writing device for foreign language teaching of commerce according to claim 2, wherein the wiping mechanism (5) comprises two connecting plates (51), the two connecting plates (51) are respectively located at the upper and lower ends of the front surface of the writing board (2), one sides of the back surfaces of the two connecting plates (51) far away from the middle part of the writing board (2) are respectively and fixedly connected with a driving block (511), the driving blocks (511) are respectively sleeved and screwed on the driving screw rods (47) of the driving mechanism (4) at the same side, one sides of the back surfaces of the two connecting plates (51) near the middle part of the writing board (2) are respectively and fixedly connected with a sliding block (512), the sliding blocks (512) are respectively and slidably connected with the inside of the first sliding grooves (3) at the same side, one sides of the two connecting plates (51) near the middle part of the writing board (2) are respectively provided with a second sliding groove (52), and the inside of the second sliding grooves, the equal fixedly connected with first spring (54) in the back of slide (53), the equal fixed connection of the other end of first spring (54) is on the inner wall of second spout (52) of place, slide (53) are close to the equal fixedly connected with fixed plate (55) in one side at clipboard (2) middle part, two be equipped with support plate (56) between fixed plate (55), pull groove (57) have transversely been seted up in the inside of support plate (56) through, the back bonding of support plate (56) has friction disc (58), the front at clipboard (2) is supported to the back of friction disc (58).

4. The writing device for foreign language teaching of business purpose of claim 3, wherein said carrier plate (56) has a slot (59) formed at both upper and lower ends thereof, said slot (59) has a shaft (510) fixedly connected therein, and one end of said shaft (510) far from the middle of said carrier plate (56) is rotatably connected to the same side fixing plate (55).

5. The writing device for foreign language teaching of commerce according to claim 1, wherein the ejecting mechanism (7) comprises an ejecting block (71), the ejecting block (71) is slidably connected inside the groove (9), the front surface of the ejecting block (71) abuts against the writing pen (10), the back surface of the ejecting block (71) is obliquely arranged, one side of the ejecting block (71) close to the writing board (2) is fixedly connected with a spring block (72), the spring block (72) is slidably connected inside the third sliding groove (13), the middle part of the spring block (72) penetrates through and is slidably connected with a positioning rod (73), the front end and the rear end of the positioning rod (73) are fixedly connected on the inner wall of the third sliding groove (13), the outer wall of the part of the circumference of the positioning rod (73) on the back surface of the spring block (72) is sleeved with a second spring (74), one end of the second spring (74) is fixedly connected on the spring block (72), the other end of the second spring (74) is fixedly connected to the inner wall of the third sliding chute (13).

6. The writing device for foreign language teaching of commerce according to claim 5, wherein the pressing mechanism (8) comprises a housing (81), the housing (81) penetrates through and is fixedly connected to the storage plate (6), a second through groove (82) penetrates through one side of the housing (81) close to the writing board (2), limiting grooves (83) are formed on the inner walls of the front and the rear parts of the housing (81), a pressing block (84) is slidably connected inside the housing (81), the side of the pressing block (84) close to the writing board (2) is obliquely arranged, the side of the pressing block (84) close to the writing board (2) is matched with and abuts against the back surface of the top block (71) of the ejection mechanism (7), a fixing rod (87) is fixedly connected to the middle part of one side of the pressing block (84) far away from the writing board (2), and limiting blocks (85) are fixedly connected to the front and rear parts of the pressing block (84), the limiting blocks (85) are connected inside the limiting grooves (83) on the same side in a sliding mode.

7. The writing instrument for foreign language teaching of business use as claimed in claim 6, wherein the end of said fixing rod (87) far from said pressing block (84) is inserted through and slidably connected to the side wall of said casing (81) far from said writing board (2), and said end of said fixing rod (87) far from said pressing block (84) is fixedly connected with said baffle (86).

8. The writing apparatus for foreign language teaching of business use as claimed in claim 1, wherein said writing pen (10) is supported at its upper and lower ends on the same side pressing plate (11), and the distance between both sides of said writing pen (10) is smaller than the distance between both sides of said recess (9).