CN212781944U

CN212781944U - Keyboard is used in computer teaching of profession

Info

Publication number: CN212781944U
Application number: CN202021862105.5U
Authority: CN
Inventors: 张伟; 宋黎萍
Original assignee: Individual
Current assignee: Lanzhou Modern Vocational College
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-23
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a keyboard is used in computer teaching of high-position office relates to computer teaching equipment technical field, including body, transmission line and hand rest, body and hand rest fixed connection, the spout has all been seted up to the top both sides of body, the one end that the hand rest was kept away from to the spout is equipped with the draw-in groove, the top swing joint of body has the apron, one side bottom fixedly connected with fixing rib of apron, the first fixture block of bottom fixedly connected with of fixing rib, the opposite side bottom fixedly connected with connecting plate of apron. The utility model discloses, through setting up slidable apron structure, can cover the keyboard, not only can prevent that the dust from falling into the keyboard surface, but also the apron can also the keyboard play certain guard action, prevents that the button from damaging, accomodates the structure through setting up the pencil, makes the transmission line can control suitable length when using to accomodate unnecessary pencil, effectively solved the problem of desktop random seal, be favorable to using widely.

Description

Keyboard is used in computer teaching of profession

Technical Field

The utility model relates to a computer teaching equipment technical field, more specifically relate to a keyboard is used in computer teaching of profession and profession.

Background

Computer teaching refers to a teaching mode in which a computer is used for assisting or replacing a teacher to perform part of teaching tasks, and the teaching mode is used for teaching knowledge and providing skill training for students. Computer teaching provides a good personalized learning environment for students. The system comprehensively applies computer technologies such as multimedia, hypertext, artificial intelligence, network communication and knowledge base, and overcomes the defects of singleness and one-sided in the traditional teaching scene mode. The use of the teaching aid can effectively shorten the learning time, improve the teaching quality and the teaching efficiency and realize the optimized teaching target.

The existing keyboard does not have a dustproof function, dust or foreign matters fall into the key groove easily, the accumulated dust is not easy to clean, the keyboard is in the using process, the transmission line of the keyboard is too long, good storage cannot be carried out, a desktop can be disorderly, the lifting height of the keyboard is fixed when the height of the keyboard is adjusted, the using requirements of different people cannot be met, and the keyboard is not beneficial to popularization and use.

Therefore, it is necessary to provide a keyboard for computer teaching for high-employment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: in order to solve the problem that the keyboard for the computer teaching of high-duty does not possess dustproof function, transmission line be not convenient for accomodate and adjust highly fixed, the utility model provides a keyboard for the computer teaching of high-duty.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a keyboard is used in computer teaching of high-position office, includes body, transmission line and hand rest, body and hand rest fixed connection, the spout has all been seted up to the top both sides of body, the one end that the hand rest was kept away from to the spout is equipped with the draw-in groove, the top swing joint of body has the apron, one side bottom fixedly connected with fixed rib of apron, the first fixture block of bottom fixedly connected with of fixed rib, the opposite side bottom fixedly connected with connecting plate of apron, the inside swing joint in one side that the apron is close to the connecting plate has the movable rod, the top fixedly connected with ejector pad of movable rod, the equal fixedly connected with second fixture block in bottom of movable rod and connecting plate, the first spring of fixedly connected with and second spring between movable rod and the connecting plate.

Further, the sliding groove is communicated with the clamping groove, and the first clamping block and the second clamping block are respectively matched with the sliding groove and the clamping groove.

Furthermore, a round groove is formed in the middle of the top end of the cover plate, and anti-skid protrusions are arranged inside the round groove.

Further, one side fixedly connected with casing that the hand held in the palm was kept away from to the body, the inside of casing is rotated and is connected with the rotary column, the top fixedly connected with roof of rotary column, the equal fixedly connected with in bottom both sides of roof inserts the axle, the middle part fixedly connected with fixed block of rotary column, the movable block has been cup jointed in the outside of rotary column, the kerve has been seted up to the bottom of movable block, the jack has been seted up at the top of movable block, the transmission line winding is in the outside of rotary column, one side of casing is equipped with the outlet.

Further, the number and the shape of the insertion holes are matched with those of the insertion shafts.

Furthermore, there are two fixed blocks, two fixed blocks are in symmetrical distribution outside the rotary column.

Further, a limiting groove is formed in the movable block, and the number and the position of the limiting groove correspond to those of the fixed block.

Further, a cavity is arranged inside one side, away from the hand support, of the body, a rotary drum is connected inside the cavity in a rotating mode, a second gear is fixedly connected to the outer side of the rotary drum, a bottom column is sleeved on the bottom of the rotary drum, a gasket is fixedly connected to the bottom of the bottom column, a clamping column is fixedly connected to the bottom of the cavity, a rotating shaft is connected to one side of the cavity in a rotating mode, a first gear is fixedly connected to the middle of the rotating shaft, and the second gear is connected with the first gear in a meshed mode.

Furthermore, the outer side of the bottom column is provided with threads, and the bottom column is in threaded connection with the rotary drum.

Furthermore, fixed slots are formed in two sides of the bottom column, and the fixed slots are matched with the clamping columns.

(III) advantageous effects

The utility model has the advantages as follows:

1. the utility model discloses, through setting up slidable apron structure, can cover the keyboard, not only can prevent that the dust from falling into the keyboard surface, the apron can also the keyboard play certain guard action moreover, prevents that the button from damaging.

2. The utility model discloses, accomodate the structure through setting up the pencil, make the transmission line can control suitable length when using to accomodate unnecessary pencil, effectively solved the mixed and disorderly problem of desktop, be favorable to using widely.

3. The utility model discloses, through the effect between rotary drum, foundation, first gear and the second gear, make the altitude mixture control of keyboard more linear, the keyboard can rise to appointed height, is convenient for satisfy different use crowds, uses more comfortablely.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention;

FIG. 2 is a schematic top view of the body structure of the present invention;

FIG. 3 is a schematic front sectional view of the cover plate structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a left side view schematically illustrating the structure of the cover plate of the present invention;

fig. 6 is a schematic sectional view of the shell structure of the present invention;

fig. 7 is a schematic sectional view of the body structure of the present invention.

Reference numerals: 1. a body; 2. a hand rest; 3. a housing; 4. a transmission line; 5. an outlet; 6. a chute; 8. fixing ribs; 9. a movable block; 10. a bottom groove; 11. a fixed block; 12. inserting a shaft; 13. a top plate; 14. a jack; 15. a limiting groove; 16. turning the column; 17. a cover plate; 18. a circular groove; 19. a first clamping block; 20. a push block; 21. a first spring; 22. a movable rod; 23. a second spring; 24. a second fixture block; 25. a connecting plate; 26. a rotating shaft; 27. fixing grooves; 28. a gasket; 29. a first gear; 30. a bottom pillar; 31. clamping the column; 32. a rotating drum; 33. a second gear; 34. a cavity.

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.

Example 1

Please refer to fig. 1-5, a keyboard for computer teaching for profession, including body 1, transmission line 4 and hand rest 2, body 1 and hand rest 2 fixed connection, spout 6 has all been seted up to body 1's top both sides, the one end that spout 6 kept away from hand rest 2 is equipped with draw-in groove 7, body 1's top swing joint has apron 17, one side bottom fixedly connected with fixed rib 8 of apron 17, the first fixture block 19 of bottom fixedly connected with of fixed rib 8, another side bottom fixedly connected with connecting plate 25 of apron 17, the inside swing joint of one side that apron 17 is close to connecting plate 25 has movable rod 22, the top fixedly connected with ejector pad 20 of movable rod 22, the equal fixedly connected with second fixture block 24 in bottom of movable rod 22 and connecting plate 25, fixedly connected with first spring 21 and second spring 23 between movable rod 22 and the connecting plate 25.

In this embodiment, when the cover plate 17 needs to be opened, push away ejector pad 20, ejector pad 20 drives second fixture block 24 through driving movable rod 22 and removes, first spring 21 and second spring 23 are compressed this moment, distance between the second fixture block 24 reduces, sliding cover 17, cover plate 17 drives connecting plate 25 and removes, second fixture block 24 follows connecting plate 25 and enters into spout 6, final roll-off from spout 6, the keyboard can be used, through setting up slidable apron 17 structure, can cover the keyboard, not only can prevent that the dust from falling into the keyboard surface, and cover plate 17 can also play certain guard action by the keyboard, prevent the button damage.

Example 2

Referring to fig. 1 to 6, the present embodiment is further optimized based on embodiment 1, specifically, the sliding slot 6 is communicated with the slot 7, and the first engaging block 19 and the second engaging block 24 are respectively adapted to the sliding slot 6 and the slot 7.

Specifically, a circular groove 18 is formed in the middle of the top end of the cover plate 17, and anti-skid protrusions are arranged inside the circular groove 18.

Specifically, one side fixedly connected with casing 3 that hand rest 2 was kept away from to body 1, the inside of casing 3 is rotated and is connected with rotary column 16, rotary column 16's top fixedly connected with roof 13, the equal fixedly connected with in bottom both sides of roof 13 inserts axle 12, rotary column 16's middle part fixedly connected with fixed block 11, movable block 9 has been cup jointed in rotary column 16's the outside, kerve 10 has been seted up to movable block 9's bottom, jack 14 has been seted up at movable block 9's top, the winding of transmission line 4 is in rotary column 16's the outside, one side of casing 3 is equipped with outlet 5.

Specifically, the number and shape of the insertion holes 14 are matched with those of the insertion shafts 12.

Specifically, there are two fixed blocks 11, and the two fixed blocks 11 are symmetrically distributed on the outer side of the rotating column 16.

Specifically, the inside of the movable block 9 is provided with a limiting groove 15, and the number and the position of the limiting groove 15 correspond to those of the fixed block 11.

In this embodiment, when the kerve 10 of movable block 9 bottom and the contact of 3 tops of casing, under the effect of fixed block 11 and spacing groove 15, the rotary column 16 can not rotate, transmission line 4 keeps certain length this moment, when the length of transmission line 4 is adjusted to needs, the rebound movable block 9, fixed block 11 and spacing groove 15 separation this moment, insert axle 12 and jack 14 combination, it is rotatory to rotate the movable block 9, the movable block 9 drives the rotary column 16 rotatory, accomplish the regulation to pencil length, accomodate the structure through setting up the pencil, make transmission line 4 can control suitable length when using, and accomodate unnecessary pencil, the problem of desktop disorder has effectively been solved, and the utility model is favorable to being generalized.

Example 3

Referring to fig. 1 and 7, the present embodiment is optimized based on the

embodiment

1 or 2, specifically, a cavity 34 is disposed inside one side of the body 1 away from the hand rest 2, the interior of the cavity 34 is rotatably connected with a rotating drum 32, the outer side of the rotating drum 32 is fixedly connected with a second gear 33, the bottom of the rotating drum 32 is sleeved with a bottom pillar 30, the bottom of the bottom pillar 30 is fixedly connected with a gasket 28, the bottom of the cavity 34 is fixedly connected with a clamping pillar 31, one side of the cavity 34 is rotatably connected with a rotating shaft 26, the middle of the rotating shaft 26 is fixedly connected with a first gear 29, and the second gear 33 is meshed with the first gear 29.

Specifically, the outer side of the bottom pillar 30 is provided with threads, and the bottom pillar 30 is in threaded connection with the drum 32.

Specifically, the fixing grooves 27 are formed in both sides of the bottom pillar 30, and the fixing grooves 27 are matched with the clamping pillars 31.

In this embodiment, when needing to adjust the keyboard height, rotate first gear 29, first gear 29 drives second gear 33 and rotates, second gear 33 drives the rotary drum 32 rotatory, sill pillar 30 and rotary drum 32 threaded connection, under the cooperation of fixed slot 27 and card post 31, sill pillar 30 stretches out from rotary drum 32 bottom, make the keyboard height change, through rotary drum 32, sill pillar 30, the cooperation between first gear 29 wheel and the second gear 33, make the altitude mixture control of keyboard more linear, the keyboard can rise to appointed height, be convenient for satisfy different user groups, it is more comfortable to use.

In summary, the following steps: the utility model discloses, through setting up sliding connection's apron 17, when preventing that the keyboard from accumulating the dust, play the guard action to the keyboard, utilize and accomodate the structure, make transmission line 4 keep suitable length, make the desktop clean and tidy clean, through setting up high adjusting device, make the height that the keyboard rises adjust, satisfy different crowds' use, use more comfortablely, be favorable to using widely.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a keyboard is used in computer teaching of profession, includes body (1), transmission line (4) and hand rest (2), body (1) and hand rest (2) fixed connection, its characterized in that: the two sides of the top of the body (1) are both provided with sliding chutes (6), one end of each sliding chute (6) far away from the hand support (2) is provided with a clamping groove (7), the top of the body (1) is movably connected with a cover plate (17), the bottom of one side of the cover plate (17) is fixedly connected with a fixing rib (8), the bottom of the fixing rib (8) is fixedly connected with a first clamping block (19), the bottom of the other side of the cover plate (17) is fixedly connected with a connecting plate (25), a movable rod (22) is movably connected inside one side of the cover plate (17) close to the connecting plate (25), the top of the movable rod (22) is fixedly connected with a push block (20), the bottoms of the movable rod (22) and the connecting plate (25) are both fixedly connected with a second clamping block (24), a first spring (21) and a second spring (23) are fixedly connected between the movable rod (22) and the connecting plate (25).

2. The keyboard of claim 1, wherein: the sliding groove (6) is communicated with the clamping groove (7), and the first clamping block (19) and the second clamping block (24) are respectively matched with the sliding groove (6) and the clamping groove (7).

3. The keyboard of claim 1, wherein: the middle part of the top end of the cover plate (17) is provided with a circular groove (18), and an anti-skid protrusion is arranged inside the circular groove (18).

4. The keyboard of claim 1, wherein: one side fixedly connected with casing (3) of hand rest (2) is kept away from in body (1), the inside of casing (3) is rotated and is connected with rotary column (16), top fixedly connected with roof (13) of rotary column (16), the equal fixedly connected with in bottom both sides of roof (13) inserts axle (12), the middle part fixedly connected with fixed block (11) of rotary column (16), movable block (9) have been cup jointed in the outside of rotary column (16), kerve (10) have been seted up to the bottom of movable block (9), jack (14) have been seted up at the top of movable block (9), transmission line (4) twine in the outside of rotary column (16), one side of casing (3) is equipped with outlet (5).

5. The keyboard of claim 4, wherein: the number and the shape of the insertion holes (14) are matched with those of the insertion shafts (12).

6. The keyboard of claim 4, wherein: the number of the fixing blocks (11) is two, and the two fixing blocks (11) are symmetrically distributed on the outer side of the rotating column (16).

7. The keyboard of claim 4, wherein: limiting grooves (15) are formed in the movable block (9), and the number and the positions of the limiting grooves (15) correspond to those of the fixed block (11).

8. The keyboard of claim 1, wherein: the hand rest is characterized in that a cavity (34) is arranged inside one side, away from the hand rest (2), of the body (1), a rotary drum (32) is connected to the inside of the cavity (34) in a rotating mode, a second gear (33) is fixedly connected to the outer side of the rotary drum (32), a bottom column (30) is connected to the bottom of the rotary drum (32) in a sleeved mode, gaskets (28) are fixedly connected to the bottom of the bottom column (30), clamping columns (31) are fixedly connected to the bottom of the cavity (34), a rotary shaft (26) is connected to one side of the cavity (34) in a rotating mode, a first gear (29) is fixedly connected to the middle of the rotary shaft (26), and the second gear (33) is connected with the first gear.

9. The keyboard of claim 8, wherein: the outer side of the bottom column (30) is provided with threads, and the bottom column (30) is in threaded connection with the rotary drum (32).

10. The keyboard of claim 8, wherein: fixing grooves (27) are formed in the two sides of the bottom column (30), and the fixing grooves (27) are matched with the clamping columns (31).