CN215007407U

CN215007407U - Multifunctional display board for technical popularization

Info

Publication number: CN215007407U
Application number: CN202121219636.7U
Authority: CN
Inventors: 赵佳俊
Original assignee: Hangzhou Huawei Technology Co Ltd
Current assignee: Hangzhou Huawei Technology Co Ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-03
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a multi-functional show board is used in technical popularization, its technical scheme is: the cleaning device comprises a protection shell, wherein a display plate is arranged in the protection shell, a rear cover plate is arranged on the rear side of the display plate, the rear cover plate is fixedly connected with the protection shell, and a telescopic mechanism and a cleaning mechanism are respectively arranged in the protection shell; telescopic machanism includes first bull stick and fourth bull stick, inside protection casing was all located to first bull stick and fourth bull stick, first bull stick and the outside equal fixed cover of fourth bull stick are equipped with first gear, two the equal fixedly connected with connecting plate in first gear one side, connecting plate one side is equipped with the connecting block, the beneficial effects of the utility model are that: can fall the high efficiency's of dust on show board surface clearance, need not the manual work and climb high clearance, improve cleaning efficiency, avoid influencing the bandwagon effect, and can protect the show board, prevent to expose and damage outward, and be stained with the dust.

Description

Multifunctional display board for technical popularization

Technical Field

The utility model relates to a show board technical field, concretely relates to technical popularization is with multi-functional show board.

Background

The show board is the article that information that will express shows, can divide into multiple classification according to service environment and the use mode of difference, along with the development of science and technology, adopts large-scale display screen can show more content when carrying out the technology popularization show, can be better more effectively show the technique in opposite directions, very big improvement show quality and efficiency.

The prior art has the following defects: present display screen display board is in long-time use because its surface of external dust and electrostatic absorption's effect can the more dust of adhesion, need regularly clean the clearance to its surface, present clearance is all gone on through the manual work, and too high local manual work is difficult to the clearance, influences cleaning efficiency and bandwagon effect, when the display board is not used simultaneously, can't protect it, lead to exposing outside easily damaged, and be stained with more dust easily.

Therefore, the invention is necessary to develop a multifunctional display board for technical popularization.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a technical popularization is with multi-functional show board, through telescopic machanism and clean mechanism to solve its surface and can adhere more dust, need regularly clean the clearance to its surface, current clearance all goes on through the manual work, too high local manual work is difficult to the clearance, influence cleaning efficiency and bandwagon effect, when the show board is not used simultaneously, can't protect it, lead to exposing outside easily by the damage, and be stained with the problem of more dust easily.

In order to achieve the above object, the present invention provides the following technical solutions: a multifunctional display board for technical popularization comprises a protective shell, wherein a display board is arranged in the protective shell, a rear cover plate is arranged on the rear side of the display board, the rear cover plate is fixedly connected with the protective shell, and a telescopic mechanism and a cleaning mechanism are respectively arranged in the protective shell;

the telescopic mechanism comprises a first rotating rod and a fourth rotating rod, the first rotating rod and the fourth rotating rod are both arranged inside the protective shell, first gears are fixedly sleeved outside the first rotating rod and the fourth rotating rod, one sides of the two first gears are fixedly connected with connecting plates, connecting blocks are arranged on one sides of the connecting plates, connecting rods are arranged on one sides of the two connecting blocks, and the two connecting rods penetrate through the rear cover plate and are fixedly connected with the display plate;

clean mechanism includes first reciprocal lead screw and second bull stick, inside protection casing was all located to first reciprocal lead screw and second bull stick, the outside cover of first reciprocal lead screw is equipped with primary shaft bearing, first reciprocal lead screw passes through ball nut pair with primary shaft bearing and is connected, first reciprocal lead screw top fixedly connected with brush board, first reciprocal lead screw and the outside all cover of second bull stick are equipped with drive assembly, drive assembly includes the belt pulley, second bull stick and the first reciprocal lead screw outside are located to the fixed cover of belt pulley, the outside cover of belt pulley is equipped with the belt.

Preferably, the transmission assembly comprises a second gear, the second rotating rod and the first reciprocating screw rod are fixedly sleeved with the second gear in a sleeved mode, a chain is sleeved on the second gear in a sleeved mode, and the second gear is meshed with the chain.

Preferably, the two ends of the first reciprocating screw rod are connected with the two side walls of the protective shell through bearings, one end of the second rotating rod is connected with the side walls of the protective shell through bearings, the first reciprocating screw rod penetrates through the brush plate, and the first reciprocating screw rod is connected with the first bearing seat through a ball nut pair.

Preferably, telescopic machanism still includes the reciprocal lead screw of second, inside the protection casing was located to the reciprocal lead screw of second, the reciprocal lead screw both ends of second all are equipped with first backup pad, the reciprocal lead screw of second passes through the bearing with first backup pad and is connected, first backup pad and protective casing lateral wall fixed connection, the outside both sides of the reciprocal lead screw of second all are equipped with second bearing seat, two the equal fixedly connected with rack in second bearing seat one side, two the rack respectively with two first gear meshes mutually.

Preferably, the two sides of the protection shell are both provided with cover plates, the cover plates penetrate through the side wall of the protection shell, guide rods are fixedly connected inside the protection shell, and the guide rods penetrate through the brush plate.

Preferably, two ends of the connecting block are respectively and movably connected with the connecting plate and the connecting rod through rotating shafts.

Preferably, the first rotating rod is connected with one end of the fourth rotating rod through a bearing, and the other ends of the first rotating rod and the fourth rotating rod are connected with the side wall of the protective shell through a bearing.

Preferably, the inside fixed motor that is equipped with of protection casing, motor output fixedly connected with transmission shaft, the transmission shaft top is connected through one-way bearing with the second bull stick, the fixed cover of transmission shaft outside is equipped with the second bevel gear, second bevel gear one side is equipped with first bevel gear, the second bevel gear meshes with first bevel gear mutually, first bevel gear one end fixedly connected with third bull stick, the third bull stick passes through one-way bearing with the reciprocal lead screw of second and is connected.

Preferably, the outside cover of connecting rod is equipped with the spring, the spring both ends contact with show board and back shroud respectively, two the connecting rod all runs through the back shroud and with show board fixed connection.

Preferably, the third bull stick outside cover is equipped with the second backup pad, the second backup pad passes through the bearing with the third bull stick and is connected, second backup pad and protection casing top lateral wall fixed connection.

The utility model has the advantages that:

1. the utility model discloses a first reciprocating screw rotates and drives first bearing frame and reciprocates, and first bearing frame reciprocates and drives the brush board and reciprocates, and the brush board reciprocates and clears up the show plate surface, avoids the dust on the show plate to influence show efficiency, can clear up the dust on the show plate surface high efficiency, need not artifical high clearance of climbing, improves clearance efficiency;

2. the utility model discloses a two first bull sticks rotate to two opposite directions, make the connecting plate drive the connecting block and rotate to the front side, the connecting block drives the connecting rod and moves to the front side, the connecting rod drives the show board and moves to the front side, make the show board stretch out from the protective housing, when the show board not the time spent, the show board forms the protection to the show board in the withdrawal protective housing, improves the life of show board, prevents to expose and damages outward, and is stained with the dust.

Drawings

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a top cross-sectional view provided by the present invention;

fig. 3 is a front sectional view provided by the present invention;

fig. 4 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 provided by the present invention;

fig. 6 is an enlarged view of the position B in fig. 5 according to the present invention.

In the figure: the device comprises a protective shell 1, a display board 2, a brush board 3, a first bearing seat 4, a first reciprocating screw rod 5, a cover board 6, a guide rod 7, a second reciprocating screw rod 8, a second bearing seat 9, a rack 10, a connecting board 11, a connecting block 12, a first supporting board 13, a rear cover board 14, a connecting rod 15, a first rotating rod 16, a spring 17, a second rotating rod 18, a second supporting board 19, a transmission shaft 20, a first bevel gear 21, a second bevel gear 22, a third rotating rod 23, a motor 24, a first gear 25, a fourth rotating rod 26, a belt pulley 27, a belt 28, a second gear 29 and a chain 30.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, referring to fig. 1-4, the utility model provides a multifunctional display board for technical popularization, including a protective housing 1, a display board 2 is arranged inside the protective housing 1, a rear cover plate 14 is arranged at the rear side of the display board 2, the rear cover plate 14 is fixedly connected with the protective housing 1, a telescopic mechanism and a cleaning mechanism are respectively arranged inside the protective housing 1;

the telescopic mechanism comprises a first rotating rod 16 and a fourth rotating rod 26, the first rotating rod 16 and the fourth rotating rod 26 are both arranged inside the protective shell 1, first gears 25 are fixedly sleeved outside the first rotating rod 16 and the fourth rotating rod 26, one sides of the two first gears 25 are fixedly connected with a connecting plate 11, one side of the connecting plate 11 is provided with a connecting block 12, one side of each connecting block 12 is provided with a connecting rod 15, and the two connecting rods 15 penetrate through the rear cover plate 14 and are fixedly connected with the display plate 2;

clean mechanism includes first reciprocal lead screw 5 and

second bull stick

18, 1 inside protective housing is all located to first reciprocal lead screw 5 and second bull stick 18, the outside cover of first reciprocal lead screw 5 is equipped with primary shaft bearing 4, first reciprocal lead screw 5 passes through ball nut pair with primary shaft bearing 4 and is connected, 5 top fixedly connected with brush board 3 of first reciprocal lead screw, first reciprocal lead screw 5 all overlaps with the 18 outside of second bull stick and is equipped with drive assembly, drive assembly includes belt pulley 27, belt pulley 27 fixed cover is located second bull stick 18 and the 5 outsides of first reciprocal lead screw, the outside cover of belt pulley 27 is equipped with belt 28, and connecting rod 15 can drive the removal of show board 2, and brush board 3 has clean show board 2 effects.

Furthermore, two ends of the first reciprocating screw rod 5 are connected with two side walls of the protective shell 1 through bearings, one end of the second rotating rod 18 is connected with the side walls of the protective shell 1 through bearings, the first reciprocating screw rod 5 penetrates through the brush plate 3, and the first reciprocating screw rod 5 is connected with the first bearing seat 4 through a ball nut pair.

Further, telescopic machanism still includes the reciprocal lead screw 8 of second, the reciprocal lead screw 8 of second is located inside the protection casing 1, the reciprocal lead screw 8 both ends of second all are equipped with first backup pad 13, the reciprocal lead screw 8 of second passes through the bearing with first backup pad 13 and is connected,

first backup pad

13 and 1 lateral wall fixed connection of protection casing, the outside both sides of the reciprocal lead screw 8 of second all are equipped with second bearing 9, two the equal fixedly connected with rack 10 in second bearing 9 one side, two rack 10 respectively with two first gear 25 meshes mutually, and rack 10 and first gear 25 combined use can drive connecting plate 11 and rotate.

Further, 1 both sides of protection casing all are equipped with apron 6, both sides apron 6 all runs through 1 lateral wall of protection casing, 1 inside fixedly connected with guide arm 7 of protection casing, guide arm 7 runs through brush board 3, and apron 6 has the effect of protection show board 2.

Furthermore, two ends of the connecting block 12 are respectively movably connected with the connecting plate 11 and the connecting rod 15 through rotating shafts.

Further, one end of the first rotating rod 16 is connected with one end of the fourth rotating rod 26 through a bearing, and the other end of the first rotating rod 16 is connected with the side wall of the protective shell 1 through a bearing, and the other end of the fourth rotating rod 26 is connected with the side wall of the protective shell 1 through a bearing.

Further, a motor 24 is fixedly arranged inside the protection shell 1, a transmission shaft 20 is fixedly connected to the output end of the motor 24, the top end of the transmission shaft 20 is connected with the second rotating rod 18 through a one-way bearing, a second bevel gear 22 is fixedly arranged outside the transmission shaft 20 in a fixing sleeve mode, a first bevel gear 21 is arranged on one side of the second bevel gear 22, the second bevel gear 22 is meshed with the first bevel gear 21, a third rotating rod 23 is fixedly connected to one end of the first bevel gear 21, and the third rotating rod 23 is connected with the second reciprocating screw rod 8 through a one-way bearing.

Further, the outside cover of connecting rod 15 is equipped with spring 17, the spring 17 both ends contact with show board 2 and back shroud 14 respectively, two connecting rod 15 all runs through back shroud 14 and with show board 2 fixed connection, spring 17 has the cushioning effect.

Further, the outside cover of third bull stick 23 is equipped with second backup pad 19, second backup pad 19 passes through the bearing with third bull stick 23 and is connected, second backup pad 19 and protective housing 1 top lateral wall fixed connection, second backup pad 19 has the supporting role.

The utility model discloses a use as follows: when the utility model is used, the utility model is connected with an external power supply, when in use, the cover plate 6 at the front side of the protective shell 1 is pushed aside to two sides and the display board 2 is exposed in the visual field, when the surface of the display board 2 needs to be cleaned, the motor 24 is started, the motor 24 drives the transmission shaft 20 to rotate positively, the transmission shaft 20 drives the second rotating rod 18 to rotate positively, the transmission shaft 20 is connected with the second rotating rod 18 through a one-way bearing, the second rotating rod 18 does not rotate when the transmission shaft 20 rotates negatively, the second rotating rod 18 drives the belt pulley 27 to rotate, the belt pulley 27 rotates to drive the belt 28 to rotate, the belt 28 rotates and drives the belt pulley 27 on the first reciprocating screw rod 5 to rotate, the first reciprocating screw rod 5 rotates to drive the first bearing seat 4 to move up and down, the first bearing seat 4 moves up and down and drives the brush board 3 to move up and down, the brush board 3 moves up and down and cleans the surface of the display board 2, the dust on the display board 2 is prevented from influencing the display efficiency, after the cleaning is finished, the brush board 3 returns to the initial position, at the moment, the control motor 24 drives the transmission shaft 20 to rotate reversely, the transmission shaft 20 drives the second bevel gear 22 to rotate reversely, the second bevel gear 22 drives the first bevel gear 21 to rotate reversely, the first bevel gear 21 drives the third rotating rod 23 to rotate reversely, the third rotating rod 23 drives the second reciprocating screw rod 8 to rotate, the second reciprocating screw rod 8 is connected with the third rotating rod 23 through a one-way bearing, when the third rotating rod 23 rotates forwardly, the second reciprocating screw rod 8 cannot rotate, the second reciprocating screw rod 8 rotates to drive the second bearing seats 9 at two sides to draw close to the middle or expand towards two sides, the second bearing seats 9 drives the rack 10 to move, the rack 10 moves and drives the first rotating rod 16 to rotate, the two first rotating rods 16 rotate towards two opposite directions, so that the connecting board 11 drives the connecting block 12 to rotate towards the front side, connecting block 12 drives connecting rod 15 and removes to the front side, and connecting rod 15 drives show board 2 and removes to the front side, makes show board 2 stretch out from protection casing 1, and when show board 2 does not use, show board 2 forms the protection to show board 2 in retraction protection casing 1, improves the life of show board 2.

Embodiment 2, refer to fig. 5-6, the utility model provides a pair of multi-functional show board is used in technology popularization, drive assembly includes second gear 29, second bull stick 18 and the outside of first reciprocal lead screw 5 are located to the fixed cover of second gear 29, the outside cover of second gear 29 is equipped with chain 30, second gear 29 meshes with chain 30 mutually.

The utility model discloses a use as follows: when the utility model is used, the utility model is connected with an external power supply, when in use, the cover plate 6 at the front side of the protective shell 1 is pushed aside to both sides and the display board 2 is exposed in the visual field, when the surface of the display board 2 needs to be cleaned, the motor 24 is started, the motor 24 drives the transmission shaft 20 to rotate positively, the transmission shaft 20 drives the second rotating rod 18 to rotate positively, the transmission shaft 20 is connected with the second rotating rod 18 through a one-way bearing, when the transmission shaft 20 rotates negatively, the second rotating rod 18 does not rotate, the second rotating rod 18 drives the second gear 29 to rotate, the second gear 29 rotates to drive the chain 30 to rotate, the chain 30 rotates and drives the second gear 29 on the first reciprocating screw rod 5 to rotate together, the first reciprocating screw rod 5 rotates to drive the first bearing seat 4 to move up and down, the first bearing seat 4 moves up and down and drives the brush plate 3 to move up and down, the brush plate 3 moves up and down and cleans the surface of the display board 2, the dust on the display board 2 is prevented from influencing the display efficiency, the transmission efficiency of the second gear 29 and the chain 30 is better, and the cleaning effect of the display board 2 is improved.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a technical popularization is with multi-functional show board, includes protection casing (1), its characterized in that: a display plate (2) is arranged in the protective shell (1), a rear cover plate (14) is arranged on the rear side of the display plate (2), the rear cover plate (14) is fixedly connected with the protective shell (1), and a telescopic mechanism and a cleaning mechanism are respectively arranged in the protective shell (1);

the telescopic mechanism comprises a first rotating rod (16) and a fourth rotating rod (26), the first rotating rod (16) and the fourth rotating rod (26) are both arranged inside the protective shell (1), first gears (25) are fixedly sleeved outside the first rotating rod (16) and the fourth rotating rod (26), one sides of the two first gears (25) are both fixedly connected with a connecting plate (11), one side of the connecting plate (11) is provided with a connecting block (12), and one sides of the two connecting blocks (12) are both provided with a connecting rod (15);

clean mechanism includes first reciprocal lead screw (5) and second bull stick (18), protection casing (1) is all located inside first reciprocal lead screw (5) and second bull stick (18), the outside cover of first reciprocal lead screw (5) is equipped with primary shaft bearing (4), first reciprocal lead screw (5) top fixedly connected with brush board (3), first reciprocal lead screw (5) and second bull stick (18) outside all is equipped with drive assembly, drive assembly includes belt pulley (27), second bull stick (18) and first reciprocal lead screw (5) outside are located to belt pulley (27) fixed cover, belt pulley (27) outside cover is equipped with belt (28).

2. The multifunctional display board for technical popularization according to claim 1, wherein: the transmission assembly comprises a second gear (29), the second rotating rod (18) and the first reciprocating screw rod (5) are fixedly sleeved with the second gear (29), a chain (30) is sleeved on the second gear (29), and the second gear (29) is meshed with the chain (30).

3. The multifunctional display board for technical popularization according to claim 1, wherein: the two ends of the first reciprocating screw rod (5) are connected with the two side walls of the protective shell (1) through bearings, one end of the second rotating rod (18) is connected with the side walls of the protective shell (1) through bearings, the first reciprocating screw rod (5) penetrates through the brush plate (3), and the first reciprocating screw rod (5) is connected with the first bearing seat (4) through a ball nut pair.

4. The multifunctional display board for technical popularization according to claim 1, wherein: telescopic machanism still includes the reciprocal lead screw of second (8), inside protection casing (1) is located in the reciprocal lead screw of second (8), reciprocal lead screw of second (8) both ends all are equipped with first backup pad (13), the reciprocal lead screw of second (8) is connected through the bearing with first backup pad (13), first backup pad (13) and protection casing (1) lateral wall fixed connection, the outside both sides of the reciprocal lead screw of second (8) all overlap and are equipped with second bearing (9), two the equal fixedly connected with rack (10) in second bearing (9) one side, two rack (10) respectively with two first gear (25) mesh mutually.

5. The multifunctional display board for technical popularization according to claim 1, wherein: protection casing (1) both sides all are equipped with apron (6), both sides apron (6) all run through protection casing (1) lateral wall, the inside fixedly connected with guide arm (7) of protection casing (1), brush board (3) are run through in guide arm (7).

6. The multifunctional display board for technical popularization according to claim 1, wherein: two ends of the connecting block (12) are respectively movably connected with the connecting plate (11) and the connecting rod (15) through rotating shafts.

7. The multifunctional display board for technical popularization according to claim 1, wherein: the first rotating rod (16) is connected with one end of the fourth rotating rod (26) through a bearing, and the other end of the first rotating rod (16) is connected with the side wall of the protective shell (1) through a bearing, wherein the other end of the fourth rotating rod (26) is connected with the side wall of the protective shell (1).

8. The multifunctional display board for technical popularization according to claim 1, wherein: the protection casing (1) is inside to be fixed and is equipped with motor (24), motor (24) output end fixedly connected with transmission shaft (20), transmission shaft (20) top is connected through one-way bearing with second bull stick (18), the fixed cover of transmission shaft (20) outside is equipped with second bevel gear (22), second bevel gear (22) one side is equipped with first bevel gear (21), second bevel gear (22) mesh mutually with first bevel gear (21), first bevel gear (21) one end fixedly connected with third bull stick (23), third bull stick (23) are connected through one-way bearing with the reciprocal lead screw of second (8).

9. The multifunctional display board for technical popularization according to claim 1, wherein: the outside cover of connecting rod (15) is equipped with spring (17), spring (17) both ends contact with show board (2) and back shroud (14) respectively, two connecting rod (15) all run through back shroud (14) and with show board (2) fixed connection.

10. The multifunctional display board for technical popularization according to claim 8, wherein: the outside cover of third bull stick (23) is equipped with second backup pad (19), second backup pad (19) pass through the bearing with third bull stick (23) and are connected, second backup pad (19) and protective housing (1) top lateral wall fixed connection.