CN213042491U

CN213042491U - Chinese teaching show shelf with buffering raising and lowering functions

Info

Publication number: CN213042491U
Application number: CN202022103520.9U
Authority: CN
Inventors: 聂远鹤
Original assignee: Wei Xingxia
Current assignee: Wei Xingxia
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-04-23
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a Chinese teaching show shelf with buffering raising and lowering functions, which comprises a base, a support sleeve A is arranged at the middle position of the top of the base, an air outlet and an air inlet are arranged at the bottom of one side of the support sleeve A, the air outlet is positioned right above the air inlet, a handle is arranged at the middle position of the top of one side of the support sleeve A, which is close to the air outlet, one end of the handle extends to the inside of the support sleeve A and is provided with a driving gear, a support sleeve B is arranged at the top of the support sleeve A, and one end of the support sleeve B extends to the inside of the support sleeve A; the utility model discloses the device is through mutually supporting between handle, driving gear, driven gear, transfer line B, transfer line A, wire rope and the rope sheave, has realized the purpose that support sleeve B rose, and the diameter of driving gear is greater than driven gear's diameter for user of service is more laborsaving in the use.

Description

Chinese teaching show shelf with buffering raising and lowering functions

Technical Field

The utility model relates to a teaching technical field specifically is a chinese teaching show shelf with buffering raising and lowering functions.

Background

The chinese teaching is with the teaching as the language with the chinese, open along with the reform, the development of modernization, more and more people begin to learn chinese, chinese teaching more and more receives the attention, the mode of teaching thereupon, the place of teaching, the equipment of teaching etc. all takes place to come up with the fortune, the diversification of teaching also develops thereupon, modern teaching leaves the teaching show shelf, current teaching show shelf is various, but still has comparatively obvious problem: 1. the existing teaching display frame is mostly of a bolt locking structure, the weight of the display plate is large, the display plate is easy to slide off in the using process, and the display plate can only be separately adjusted in the adjusting process, so that time and labor are wasted; 2. the Chinese teaching needs to relate to pinyin teaching, needs to use a pinyin card, and the existing display shelf lacks a structure for placing a pinyin page turning card; 3. the display board of current show shelf in-process that descends also needs the manual control to avoid dropping, can't accomplish the process that the automatic buffering goes up and down.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chinese teaching show shelf with buffering raising and lowering functions to it is various to propose current teaching show shelf in solving above-mentioned background art, but still has comparatively obvious problem: the existing teaching display frame is mostly of a bolt locking structure, the weight of the display plate is large, the display plate is easy to slide off in the using process, and the display plate can only be separately adjusted in the adjusting process, so that time and labor are wasted; the Chinese teaching needs to relate to pinyin teaching, needs to use a pinyin card, and the existing display shelf lacks a structure for placing a pinyin page turning card; the display board of current show shelf in-process that descends also needs the manpower control to avoid dropping, can't accomplish the problem of the process of automatic buffering lift.

In order to achieve the above object, the utility model provides a following technical scheme: a Chinese teaching display rack with a buffering lifting function comprises a base, wherein a supporting sleeve A is arranged at the middle position of the top of the base, an air outlet hole and an air inlet hole are formed in the bottom of one side of the supporting sleeve A, the air outlet hole is positioned right above the air inlet hole, a handle is arranged at the middle position of the top of one side, close to the air outlet hole, of the supporting sleeve A, one end of the handle extends into the supporting sleeve A and is provided with a driving gear, a supporting sleeve B is arranged at the top of the supporting sleeve A, one end of the supporting sleeve B extends into the supporting sleeve A, a connecting shaft is arranged at one end, far away from the supporting sleeve A, of the supporting sleeve B, a connecting rod A is arranged on the outer side of the connecting shaft, a display board is arranged at one end, far away from the connecting shaft, of the connecting rod A is symmetrically, a supporting block B and a supporting block A are respectively arranged on one side, adjacent to the mounting block A, of the mounting block B, one end of the supporting block B penetrates through the inside of the mounting block A to the outside of the mounting block A, a limiting baffle is arranged on the outside of the supporting block B, a spring C is arranged on one side of the limiting baffle, one end, away from the limiting baffle, of the spring C is connected with the mounting block A, a hand lever A and a hand lever B are respectively arranged at the middle position of one side, away from a handle, of the supporting sleeve A, the hand lever A is positioned right above the hand lever B, a central shaft is jointly arranged on two sides inside the supporting sleeve A, a transmission rod A is arranged at one end outside the central shaft, a rope pulley is arranged outside the transmission rod A, a steel wire rope is wound inside the rope pulley, one end of the transmission rod A extends to the outside of the supporting, one end of the transmission rod A, which is far away from the hand lever A, is provided with a groove A and a lug A respectively, one end of the outer side of the central shaft, which is far away from the transmission rod A, is provided with a transmission rod B, the outer side of the transmission rod B is provided with a driven gear, the driven gear is mutually meshed with the driving gear, one end of the transmission rod B is provided with a groove B and a lug B respectively, the groove A is mutually matched with the groove B, the lug A is mutually matched with the lug B, the top position inside the support sleeve A is provided with a steering wheel A, the middle position of the inner wall of the support sleeve B is provided with a steering wheel B, one end of the steel wire rope, which is far away from the rope wheel, sequentially penetrates through the steering wheel A and the steering wheel B to be mutually connected with the bottom inside of the support sleeve B, one end of, and rubber buffer and venthole adaptation of each other, the outside that connecting rod B is located support sleeve A inside is provided with spring A, the bottom position department of support sleeve A inner wall is provided with the installation storehouse, the inside one side in installation storehouse is provided with the telescopic link, the output of telescopic link is provided with the block rubber, block rubber and inlet port adaptation of each other, the outside of telescopic link is provided with spring B.

Preferably, the outer side of the installation bin is provided with a through hole.

Preferably, rubber rings are arranged between the outer sides of the transmission rod A and the connecting rod B and the support sleeve A.

Preferably, one side of the rubber plug, which is far away from the connecting rod B, is provided with an arc-shaped groove.

Preferably, the outer side of the handle is sleeved with a rubber pad.

Preferably, the bottom of the base is provided with a locking universal wheel.

Compared with the prior art, the beneficial effects of the utility model are that: the Chinese teaching display rack with the buffer lifting function can effectively reduce the workload of teaching personnel, and is more convenient to operate;

1. the purpose of lifting the support sleeve B is achieved through the mutual matching of the handle, the driving gear, the driven gear, the transmission rod B, the transmission rod A, the steel wire rope and the rope pulley, and the diameter of the driving gear is larger than that of the driven gear, so that a user can save more labor in the use process;

2. through the mutual matching of the mounting block A, the mounting block B, the supporting block A, the limiting baffle, the spring C and the supporting block B, the purpose of placing the pinyin page turning card is achieved, and the teaching mode of a teaching worker is more visual and diversified;

3. through mutually supporting between venthole, hand lever B, rubber buffer, spring A and the connecting rod B, realized the purpose that the device buffering descends, reduced user of service's work load for the practicality of device is stronger.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a back view of the present invention;

fig. 3 is a top sectional view of the support sleeve a of fig. 2 according to the present invention;

fig. 4 is an enlarged cross-sectional view of the structure at a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B of fig. 2 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 4 according to the present invention.

In the figure: 1. a base; 2. a support sleeve A; 3. a display board; 4. mounting a block A; 5. a connecting shaft; 6. a support sleeve B; 7. a handle; 8. an air outlet; 9. an air inlet; 10. a connecting rod A; 11. a hand lever A; 12. a hand lever B; 13. a sheave; 14. a wire rope; 15. a transmission rod A; 16. a groove A; 17. a bump A; 18. a groove B; 19. a bump B; 20. a driven gear; 21. a central shaft; 22. A driving gear; 23. a steering wheel A; 24. a steering wheel B; 25. a rubber plug; 26. a spring A; 27. A connecting rod B; 28. a rubber block; 29. a telescopic rod; 30. installing a bin; 31. a spring B; 32. a mounting block B; 33. a supporting block A; 34. a limit baffle; 35. a spring C; 36. a support block B; 37. and a transmission rod B.

Detailed Description

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

Referring to fig. 1-6, the present invention provides an embodiment: a Chinese teaching display rack with a buffering lifting function comprises a base 1, a supporting sleeve A2 is arranged at the middle position of the top of the base 1, the supporting sleeve A2 is a supporting pipe of the main body, an air outlet hole 8 and an air inlet hole 9 are arranged at the bottom of one side of a supporting sleeve A2, the air outlet hole 8 is positioned right above the air inlet hole 9, a handle 7 is arranged at the middle position of the top of one side, close to the air outlet hole 8, of a supporting sleeve A2, one end of the handle 7 extends into the supporting sleeve A2 and is provided with a driving gear 22, the driving gear 22 drives other parts to operate, a supporting sleeve B6 is arranged at the top of the supporting sleeve A2, one end of the supporting sleeve B6 extends into the supporting sleeve A2, a connecting shaft 5 is arranged at one end, far away from the supporting sleeve A2, a connecting rod A10 is arranged outside the connecting shaft 5, a display plate 3 is arranged at one end, a mounting block A4 and a mounting block B32 are symmetrically arranged on one side of the top of the display board 3, a support block B36 and a support block A33 are respectively arranged on one side of the mounting block A4 adjacent to the mounting block B32, one end of the support block B36 penetrates through the inside of the mounting block A4 to the outside of the mounting block A4, a limit baffle 34 is arranged on the outside of the support block B36, a spring C35 is arranged on one side of the limit baffle 34, one end of the spring C35, which is far away from the limit baffle 34, is connected with the mounting block A4, a hand lever A11 and a hand lever B12 are respectively arranged at the middle position of one side of the support sleeve A2, which is far away from the handle 7, the hand lever A11 is positioned right above the hand lever B12, a central shaft 21 is jointly arranged on two sides of the inside of the support sleeve A2, one end of the outside of the central shaft 21 is provided with a15, a rope sheave 13 is, one end of the transmission rod A15 extends to the outer side of the support sleeve A2 and is connected with the hand lever A11, one end of the transmission rod A15 far away from the hand lever A11 is respectively provided with a groove A16 and a bump A17, one end of the outer side of the central shaft 21 far away from the transmission rod A15 is provided with a transmission rod B37, the outer side of the transmission rod B37 is provided with a driven gear 20, the driven gear 20 is meshed with the driving gear 22, one end of the transmission rod B37 is respectively provided with a groove B18 and a bump B19, the groove A16 is matched with the groove B18, the bump A17 is matched with the bump B17, a steering wheel A17 is arranged at the top position inside the support sleeve A17, a steering wheel B17 is arranged at the middle position of the inner wall of the support sleeve B17, one end of the wire rope 14 far away from the rope sheave 13 sequentially penetrates through the steering wheel A17 and the steering wheel B17 and is connected with the bottom inside of the support sleeve B17, one end of the hand lever B17 is, and rubber buffer 25 and venthole 8 adaptation each other, the outside that connecting rod B27 lies in support sleeve A2 inside is provided with spring A26, the bottom position department of support sleeve A2 inner wall is provided with installation storehouse 30, the inside one side in installation storehouse 30 is provided with telescopic link 29, the output of telescopic link 29 is provided with block rubber 28, block rubber 28 and inlet hole 9 adaptation each other, the outside of telescopic link 29 is provided with spring B31.

Further, the outer side of the installation bin 30 is provided with a through hole, so that external air can enter the inside of the support sleeve A2.

Furthermore, rubber rings are arranged between the outer sides of the transmission rod A15 and the connecting rod B27 and the support sleeve A2, so that outside impurities, dust and the like cannot enter the support sleeve A2.

Further, one side of the rubber stopper 25, which is far away from the connecting rod B27, is provided with an arc-shaped groove, so that the sealing performance of the rubber stopper 25 is enhanced.

Furthermore, the outer side of the handle 7 is sleeved with a rubber pad, so that friction force is increased, and hands cannot fall off when the hand-operated electric toothbrush is used.

Further, the bottom of base 1 is provided with the locking universal wheel for the device can carry out displacement and location.

The working principle is as follows: when the device ascends, the driving gear 22 is driven by rotating the handle 7, the driven gear 20 is driven to drive the transmission rod B37, the groove A16 and the projection B19 are matched with each other, the projection A17 and the groove B18 are driven to rotate, the transmission rod A15 is driven to rotate, the rope wheel 13 is driven to rotate by the transmission rod A15, the steel wire rope 14 is driven to contract, the support sleeve B6 is pulled to ascend, the air pressure in the support sleeve A2 is small, the outside air pressure exerts pressure on the rubber block 28 through the air inlet hole 9, the spring B31 and the telescopic rod 29 are pressed to contract, outside air can enter the support sleeve A2, the ascending purpose of the device is achieved, when the device descends, the hand lever A11 and the hand lever B12 are pulled, the transmission rod A15 is driven to horizontally displace by the hand lever A11, the rope wheel 13 is driven to displace, the rope wheel 13 is driven to release the steel wire rope wheel 8914, and the support sleeve, begin to descend, drive connecting rod B27 and then drive the displacement of rubber buffer 25 by hand lever B12, thereby make the inside gas of support sleeve A2 release away from venthole 8, thereby realized the mesh that the device descends, the device is when teaching the use, the card is placed between supporting shoe A33 and supporting shoe B36 to the pulling supporting shoe B36 will turn over the page, it resets under spring C35's effect to loosen supporting shoe B36, and then fix the card of turning over the page, thereby realized the teaching mode of spelling card.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a chinese teaching show shelf with buffering raising and lowering functions, includes base (1), its characterized in that: the middle position of the top of the base (1) is provided with a support sleeve A (2), the bottom of one side of the support sleeve A (2) is provided with an air outlet hole (8) and an air inlet hole (9), the air outlet hole (8) is positioned right above the air inlet hole (9), the middle position of the top of one side of the support sleeve A (2) close to the air outlet hole (8) is provided with a handle (7), one end of the handle (7) extends to the inside of the support sleeve A (2) and is provided with a driving gear (22), the top of the support sleeve A (2) is provided with a support sleeve B (6), one end of the support sleeve B (6) extends to the inside of the support sleeve A (2), one end of the support sleeve B (6) far away from the support sleeve A (2) is provided with a connecting shaft (5), the outer side of the connecting shaft (5) is provided with a connecting, the display device is characterized in that a display plate (3) is arranged at one end, away from the connecting shaft (5), of the connecting rod A (10), an installation block A (4) and an installation block B (32) are symmetrically arranged on one side of the top of the display plate (3), a supporting block B (36) and a supporting block A (33) are respectively arranged on one side, adjacent to the installation block A (4) and the installation block B (32), of the supporting block B (36), one end of the supporting block B (36) penetrates through the inside of the installation block A (4) to the outer side of the installation block A (4), a limiting baffle (34) is arranged on the outer side of the supporting block B (36), a spring C (35) is arranged on one side of the limiting baffle (34), one end, away from the limiting baffle (34), of the spring C (35) is mutually connected with the installation block A (4), a hand lever A (11) and a hand lever B (12) are respectively arranged at the middle position, the hand lever A (11) is located right above the hand lever B (12), a central shaft (21) is jointly arranged on two sides inside the support sleeve A (2), a transmission rod A (15) is arranged at one end of the outer side of the central shaft (21), a rope pulley (13) is arranged on the outer side of the transmission rod A (15), a steel wire rope (14) is wound inside the rope pulley (13), one end of the transmission rod A (15) extends to the outer side of the support sleeve A (2) and is connected with the hand lever A (11) mutually, a groove A (16) and a lug A (17) are respectively arranged at one end, far away from the hand lever A (11), of the transmission rod A (15) outside the central shaft (21) is provided with a transmission rod B (37), a driven gear (20) is arranged on the outer side of the transmission rod B (37), and the driven gear (20) is meshed with a driving gear (22), one end of the transmission rod B (37) is respectively provided with a groove B (18) and a bump B (19), the groove A (16) and the groove B (18) are mutually matched, the bump A (17) and the bump B (19) are mutually matched, a steering wheel A (23) is arranged at the top position inside the support sleeve A (2), a steering wheel B (24) is arranged at the middle position of the inner wall of the support sleeve B (6), one end, far away from the rope wheel (13), of the steel wire rope (14) sequentially penetrates through the steering wheel A (23) and the steering wheel B (24) to be mutually connected with the bottom inside the support sleeve B (6), one end of the hand lever B (12) is provided with a connecting rod B (27), one end of the connecting rod B (27) extends to the inside of the support sleeve A (2) and is provided with a rubber plug (25), and the rubber plug (25) and the air outlet hole (8) are mutually matched, the connecting rod B (27) is located the inside outside of support sleeve A (2) and is provided with spring A (26), the bottom position department of support sleeve A (2) inner wall is provided with installation bin (30), the inside one side of installation bin (30) is provided with telescopic link (29), the output of telescopic link (29) is provided with block rubber (28), block rubber (28) and inlet port (9) adaptation of each other, the outside of telescopic link (29) is provided with spring B (31).

2. The Chinese teaching display stand with buffering lifting function of claim 1, wherein: the outer side of the mounting bin (30) is provided with a through hole.

3. The Chinese teaching display stand with buffering lifting function of claim 1, wherein: rubber rings are arranged between the outer sides of the transmission rod A (15) and the connecting rod B (27) and the support sleeve A (2).

4. The Chinese teaching display stand with buffering lifting function of claim 1, wherein: one side of the rubber plug (25) far away from the connecting rod B (27) is provided with an arc-shaped groove.

5. The Chinese teaching display stand with buffering lifting function of claim 1, wherein: the outer side of the handle (7) is sleeved with a rubber pad.

6. The Chinese teaching display stand with buffering lifting function of claim 1, wherein: the bottom of the base (1) is provided with a locking universal wheel.