阅读说明：本技术 一种直立式防风迎宾牌 (Vertical type windproof greeting board ) 是由 崔洁洁 于 2019-09-28 设计创作，主要内容包括：本发明公开了一种直立式防风迎宾牌,包括箱体,所述箱体内设有运动腔,所述运动腔内设有防风机构,所述防风机构包括左右对称在所述运动腔内的两个底部齿轮,两个所述底部齿轮互相啮合,两个所述底部齿轮下侧设有两个分别与两个所述底部齿轮下端啮合的旋转齿轮,所述箱体外侧设有四个随所述旋转齿轮转动的轮子,当需要移动装置时需要带动所有轮子同方向转动,本装置适合迎宾时使用,迎宾牌角度可调,拥有较好的展示效果,装置直立时通过啮合锁紧的方式,使得装置无法被轻易移动,拥有较好的防风效果,在需要搬运装置时,装置可自动将迎宾牌部分收纳,使得装置整体体积较小,且同时会解除啮合锁紧,通过轮子滚动的拉动形式可轻松搬运装置。(The invention discloses a vertical windproof greeting card, which comprises a box body, wherein a motion cavity is arranged in the box body, a windproof mechanism is arranged in the motion cavity, the windproof mechanism comprises two bottom gears which are bilaterally symmetrical in the motion cavity, the two bottom gears are mutually meshed, two rotating gears which are respectively meshed with the lower ends of the two bottom gears are arranged at the lower sides of the two bottom gears, four wheels which rotate along with the rotating gears are arranged at the outer side of the box body, when a device needs to be moved, all the wheels need to be driven to rotate in the same direction, the device is suitable for being used when a greeting card is used, the angle of the greeting card is adjustable, the greeting card has a good display effect, the device cannot be easily moved through a meshing locking mode when being vertical, the device has a good windproof effect, when the device needs to be carried, the greeting card can be automatically accommodated, so that the whole volume of the device is small, and simultaneously, the meshing locking can be released, and the device can be easily carried through the rolling pulling mode of the wheels.)

1. The utility model provides a usher tablet is prevent wind to vertical type, includes the box, its characterized in that:

a movement cavity is arranged in the box body, a wind prevention mechanism is arranged in the movement cavity, the wind prevention mechanism comprises two bottom gears which are bilaterally symmetrical in the movement cavity, the two bottom gears are meshed with each other, two rotating gears which are respectively meshed with the lower ends of the two bottom gears are arranged on the lower sides of the two bottom gears, four wheels which rotate along with the rotating gears are arranged on the outer side of the box body, when the device needs to be moved, all the wheels need to be driven to rotate in the same direction, and the rotating gears and the bottom gears are meshed with each other to prevent the rotating gears from transmitting, so that the wheels are prevented from rotating and the device cannot move;

a receiving cavity with a leftward opening is formed in the left end face of the box body, a display mechanism is arranged in the receiving cavity and comprises a welcome card arranged on the left side of the box body, and when the display mechanism works, the angle of the welcome card can be singly adjusted, or the welcome card is retracted into the receiving cavity after the angle of the welcome card is adjusted;

the show mechanism right side is equipped with stop gear, stop gear includes rotatable barrier plate, and when the device was in the unmovable state, barrier plate can be automatic the retrieving of usher's tablet makes the usher's tablet only can be by angle regulation, and when the device was in portable state, barrier plate can take place the rotation, makes the usher's tablet can be retrieved extremely accomodate the intracavity.

2. The upright wind-resistant greeting card of claim 1, wherein: the windproof mechanism further comprises a moving cavity arranged in the right end wall of the moving cavity, the left end wall of the moving cavity is communicated with the moving cavity, two magnets are symmetrically and fixedly arranged on the upper end wall and the lower end wall of the moving cavity, an iron block is slidably arranged in the moving cavity, a moving rod with the left end positioned in the moving cavity is fixedly arranged on the left end surface of the iron block, a pull rod with the upper end positioned in an external space is fixedly arranged on the left end of the moving rod, a handle is fixedly arranged on the upper end of the pull rod, a support plate is fixedly arranged at the lower end of the pull rod, a rotating shaft is symmetrically and rotatably arranged on the front end surface of the support plate in a left-right mode, the bottom gear is fixedly arranged on the rotating shaft, two input shafts which are rotatably connected with the rear end wall of the moving cavity are symmetrically and arranged on the lower side, the inner wall of the left end wall and the inner wall of the right end wall of the motion cavity are symmetrically provided with transmission cavities which are close to the end walls of the motion cavity and communicated with the motion cavity, the front end wall and the rear end wall of each transmission cavity are rotatably provided with wheel shafts, the front end and the rear end of each wheel shaft are positioned in external spaces, the front end and the rear end of each wheel shaft are fixedly provided with wheels, the wheel shafts in the transmission cavities are fixedly provided with output belt wheels, and the output belt wheels and the input belt.

3. The upright wind-resistant greeting card of claim 1, wherein: the stopping mechanism further comprises a connecting cavity with an opening facing the left, the connecting cavity is arranged in the right end wall of the accommodating cavity, a power cavity is arranged in the upper end wall of the connecting cavity, the lower end wall of the connecting cavity rotates to be provided with a transmission shaft with an upper end positioned in the power cavity, the upper end of the transmission shaft is positioned in the power cavity, a stopping plate with a left end positioned in the accommodating cavity is fixedly arranged on the transmission shaft in the connecting cavity, a transmission bevel gear is fixedly arranged at the upper end of the transmission shaft, a transverse shaft is arranged on the left end wall of the power cavity in a rotating mode, a power bevel gear meshed with the transmission bevel gear is fixedly arranged on the transverse shaft, and a power gear meshed with the pull rod is fixedly arranged at the right.

4. The upright wind-resistant greeting card of claim 1, wherein: the display mechanism also comprises a motor fixedly connected with the rear end wall of the containing cavity, the front end surface of the motor is rotationally provided with a motor shaft, a driving reel is fixedly arranged on the motor shaft, a torsion shaft is rotatably arranged in the rear end wall of the containing cavity through a first torsion spring, a rotating rod with the left end penetrating through the left end wall of the containing cavity is fixedly arranged on the torsion shaft and is positioned on the upper side of the blocking plate, a stress plate is fixedly arranged on the left end surface of the rotating rod, a working cavity with an opening facing left is arranged in the left end surface of the rotating rod, the rear end wall of the working cavity is rotatably provided with a fixed pulley, the front end surface of the stress plate is rotatably provided with a connecting shaft through a second torsion spring, a supporting block and a transmission reel are fixedly arranged on the connecting shaft, the transmission reel is positioned at the front side of the supporting block, the guest greeting plate is fixedly arranged on the left end face of the supporting block, and a fine wire which is guided by a fixed pulley and is wound on the driving reel.

5. The upright wind-resistant greeting card of claim 4, wherein: the first torsion spring elastic force is greater than the second torsion spring elastic force.

6. The upright wind-resistant greeting card of claim 2, wherein: and attractive force exists between the iron block and the magnet, and the iron block is adsorbed to the magnet at the lower side.

7. The upright wind-resistant greeting card of claim 5, wherein: the second torsion spring is in a compressed state and the filament is in a tensioned state.

8. The upright wind-resistant greeting card of claim 4, wherein: the blocking plate may block the rotation of the rotating lever.

9. The upright wind-resistant greeting card of claim 8, wherein: the length of the greeting card is approximately equal to that of the rotating rod, and the rotating rod can be retracted into the accommodating cavity after being rotated.

Technical Field

The invention relates to the field of greeting cards, in particular to a vertical windproof greeting card.

Background

The welcome board is a board with the functions of welcoming guests and prompting, can be used in places such as airports, wedding sites, hotel doors and the like, can guide guests, and enables work to be carried out smoothly.

Disclosure of Invention

The invention aims to solve the technical problem of providing a vertical windproof greeting card, and solves the problems that the greeting card with a windproof effect is inconvenient to move, the greeting card with convenient movement has a poor windproof effect and the like.

The invention is realized by the following technical scheme.

The invention relates to a vertical windproof greeting card, which comprises a box body, wherein a motion cavity is arranged in the box body, a windproof mechanism is arranged in the motion cavity, the windproof mechanism comprises two bottom gears which are bilaterally symmetrical in the motion cavity, the two bottom gears are mutually meshed, two rotating gears which are respectively meshed with the lower ends of the two bottom gears are arranged on the lower sides of the two bottom gears, four wheels which rotate along with the rotating gears are arranged on the outer side of the box body, when a device needs to be moved, all the wheels need to be driven to rotate in the same direction, and the transmission of the rotating gears can be prevented through the meshing between the bottom gears and the rotating gears and the bottom gears, so that the wheels are prevented from rotating, and the device cannot move;

a receiving cavity with a leftward opening is formed in the left end face of the box body, a display mechanism is arranged in the receiving cavity and comprises a welcome card arranged on the left side of the box body, and when the display mechanism works, the angle of the welcome card can be singly adjusted, or the welcome card is retracted into the receiving cavity after the angle of the welcome card is adjusted;

the show mechanism right side is equipped with stop gear, stop gear includes rotatable barrier plate, and when the device was in the unmovable state, barrier plate can be automatic the retrieving of usher's tablet makes the usher's tablet only can be by angle regulation, and when the device was in portable state, barrier plate can take place the rotation, makes the usher's tablet can be retrieved extremely accomodate the intracavity.

Preferably, the windproof mechanism further comprises a moving cavity arranged in the right end wall of the moving cavity, the left end wall of the moving cavity is communicated with the moving cavity, two magnets are symmetrically and fixedly arranged on the upper end wall and the lower end wall of the moving cavity, an iron block is slidably arranged in the moving cavity, a moving rod with the left end positioned in the moving cavity is fixedly arranged on the left end surface of the iron block, a pull rod with the upper end positioned in an external space is fixedly arranged on the left end of the moving rod, a handle is fixedly arranged on the upper end of the pull rod, a support plate is fixedly arranged at the lower end of the pull rod, a rotating shaft is symmetrically and rotatably arranged on the front end surface of the support plate, the bottom gear is fixedly arranged on the rotating shaft, two input shafts which are rotatably connected with the rear end wall of the moving cavity are symmetrically and leftwards arranged on the lower side of the support plate, the inner wall of the left end wall and the inner wall of the right end wall of the motion cavity are symmetrically provided with transmission cavities which are close to the end walls of the motion cavity and communicated with the motion cavity, the front end wall and the rear end wall of each transmission cavity are rotatably provided with wheel shafts, the front end and the rear end of each wheel shaft are positioned in external spaces, the front end and the rear end of each wheel shaft are fixedly provided with wheels, the wheel shafts in the transmission cavities are fixedly provided with output belt wheels, and the output belt wheels and the input belt.

Preferably, the blocking mechanism further comprises a connecting cavity with an opening facing the left, the connecting cavity is arranged in the right end wall of the accommodating cavity, a power cavity is arranged in the upper end wall of the connecting cavity, the lower end wall of the connecting cavity is rotatably provided with a transmission shaft with an upper end positioned in the power cavity, the upper end of the transmission shaft is positioned in the power cavity, a blocking plate with a left end positioned in the accommodating cavity is fixedly arranged on the transmission shaft in the connecting cavity, a transmission bevel gear is fixedly arranged at the upper end of the transmission shaft, a transverse shaft is rotatably arranged on the left end wall of the power cavity, a power bevel gear meshed with the transmission bevel gear is fixedly arranged on the transverse shaft, and a power gear meshed with the pull rod is fixedly arranged at the right end of the transverse shaft.

Preferably, show mechanism still include with accomodate chamber rear end wall fixed connection's motor, the terminal surface rotates and is equipped with the motor shaft before the motor, the fixed drive reel that is equipped with on the motor shaft, it is equipped with the torsion shaft to rotate through first torsional spring in the chamber rear end wall to accomodate, the fixed left end that is equipped with on the torsion shaft runs through accomodate the rotary rod of chamber left end wall, the rotary rod is located the barrier plate upside, the fixed atress board that is equipped with of rotary rod left end face, be equipped with the working chamber that the opening is towards left in the rotary rod left end face, working chamber rear end wall rotates and is equipped with the fixed pulley, it is equipped with the connecting axle through the rotation of second torsional spring in the atress board front end face, fixed supporting shoe and the transmission reel of being equipped with on the connecting axle, the transmission reel is located the supporting shoe front side, the fixed supporting shoe left end face is equipped with welcome tablet, the .

Preferably, the first torsion spring force is greater than the second torsion spring force.

Preferably, an attractive force exists between the iron block and the magnet, and the iron block is attracted to the magnet on the lower side.

Preferably, the second torsion spring is in a compressed state and the filament is in a tensioned state.

Preferably, the blocking plate may block the rotation of the rotating lever.

Preferably, the length of the greeting card is approximately equal to the length of the rotating rod, and the rotating rod can be retracted into the receiving cavity after being rotated.

The invention has the beneficial effects that: this device uses when being fit for the usher, and the usher tablet angularly adjustable possesses better bandwagon effect, and the mode through meshing locking when the device stands vertically for the device can't be removed easily, possess better effect of preventing wind, and when needs handling device, the device can be accomodate the usher tablet part automatically, makes the whole volume of device less, and can remove meshing locking simultaneously, can relax handling device through the rolling pulling form of wheel.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of an overall full-section structure of a vertical windproof greeting card according to the invention;

FIG. 2 is a schematic view of the direction A in FIG. 1;

FIG. 3 is a schematic view of the direction B-B in FIG. 1;

FIG. 4 is a schematic view in the direction C-C of FIG. 1;

fig. 5 is a schematic view in the direction D-D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The mechanical mechanism of the vertical windproof greeting card described with reference to fig. 1-5 includes a box 10, a movement cavity 14 is arranged in the box body 10, a wind-proof mechanism 70 is arranged in the movement cavity 14, the wind-proof mechanism 70 comprises two bottom gears 30 which are bilaterally symmetrical in the motion cavity 14, the two bottom gears 30 are mutually meshed, two rotary gears 27 which are respectively meshed with the lower ends of the two bottom gears 30 are arranged at the lower sides of the two bottom gears 30, the outer side of the box body 10 is provided with four wheels 50 rotating with the rotating gear 27, when the device needs to be moved, all the wheels 50 need to be driven to rotate in the same direction, the engagement between the bottom gear 30 and the rotating gear 27 and the bottom gear 30 can prevent the transmission of the rotating gear 27, thereby preventing the wheel 50 from rotating and making the device immovable;

a receiving cavity 33 with an opening facing left is formed in the left end face of the box body 10, a display mechanism 72 is arranged in the receiving cavity 33, the display mechanism 72 comprises a welcome card 39 arranged on the left side of the box body 10, and when the display mechanism 72 works, the angle of the welcome card 39 can be singly adjusted, or the welcome card 39 is retracted into the receiving cavity 33 after the angle of the welcome card 39 is adjusted;

the right side of the display mechanism 72 is provided with a blocking mechanism 71, the blocking mechanism 71 comprises a rotatable blocking plate 34, when the device is in an immovable state, the blocking plate 34 can automatically retract the welcome card 39, so that the welcome card 39 can only be adjusted in angle, and when the device is in a movable state, the blocking plate 34 can rotate, so that the welcome card 39 can be retracted into the accommodating cavity 33.

Beneficially, the windproof mechanism 70 further includes a moving cavity 17 disposed in the right end wall of the moving cavity 14, the left end wall of the moving cavity 17 is communicated with the moving cavity 14, two magnets 15 are symmetrically and fixedly disposed on the upper and lower end walls of the moving cavity 17, an iron block 19 is slidably disposed in the moving cavity 17, a moving rod 18 having a left end located in the moving cavity 14 is fixedly disposed on the left end surface of the iron block 19, a pull rod 16 having an upper end located in an external space is fixedly disposed on the left end of the moving rod 18, a handle 47 is fixedly disposed on the upper end of the pull rod 16, a support plate 20 is fixedly disposed on the lower end of the pull rod 16, a rotating shaft 29 is rotatably disposed on the front end surface of the support plate 20 in a left-right symmetric manner, the bottom gear 30 is fixedly disposed on the rotating shaft 29, two input shafts 26 rotatably connected with the rear end wall of the moving cavity 14 are symmetrically disposed on the lower side of the support plate 20 in, the input belt wheel 25 is positioned at the front side of the rotating gear 27, a transmission cavity 24 which is close to the end wall of the movement cavity 14 and is communicated with the movement cavity 14 is symmetrically arranged in the left end wall and the right end wall of the movement cavity 14, a wheel shaft 23 with front and rear ends positioned in external spaces is rotatably arranged in the front and rear end walls of the transmission cavity 24, the wheels 50 are fixedly arranged at the front and rear ends of the wheel shaft 23, an output belt wheel 22 is fixedly arranged on the wheel shaft 23 in the transmission cavity 24, and the output belt wheel 22 and the input belt wheel 25 are in friction transmission through a belt 21.

Advantageously, the blocking mechanism 71 further comprises a connecting cavity 12 with an opening facing left, the connecting cavity 12 is disposed in the right end wall of the accommodating cavity 33, a power cavity 44 is disposed in the upper end wall of the connecting cavity 12, a transmission shaft 13 with an upper end located in the power cavity 44 is rotatably disposed on the lower end wall of the connecting cavity 12, the upper end of the transmission shaft 13 is located in the power cavity 44, a blocking plate 34 with a left end located in the accommodating cavity 33 is fixedly disposed on the transmission shaft 13 in the connecting cavity 12, a transmission bevel gear 11 is fixedly disposed on the upper end of the transmission shaft 13, a transverse shaft 45 is rotatably disposed on the left end wall of the power cavity 44, a power bevel gear 46 engaged with the transmission bevel gear 11 is fixedly disposed on the transverse shaft 45, and a power gear 48 engaged with the pull rod 16 is fixedly disposed on the right end of the transverse shaft 45.

Advantageously, the display mechanism 72 further comprises a motor 51 fixedly connected to the rear end wall of the receiving cavity 33, the front end surface of the motor 51 is rotatably provided with a motor shaft 31, a driving reel 32 is fixedly arranged on the motor shaft 31, a torsion shaft 36 is rotatably arranged in the rear end wall of the receiving cavity 33 through a first torsion spring 53, a rotating rod 43 with a left end penetrating through the left end wall of the receiving cavity 33 is fixedly arranged on the torsion shaft 36, the rotating rod 43 is positioned on the upper side of the blocking plate 34, a force bearing plate 41 is fixedly arranged on the left end surface of the rotating rod 43, a working cavity 42 with a left opening is arranged in the left end surface of the rotating rod 43, a fixed pulley 37 is rotatably arranged on the rear end wall of the working cavity 42, a connecting shaft 49 is rotatably arranged in the front end surface of the force bearing plate 41 through a second torsion spring 52, a supporting block 40 and a driving reel 38 are fixedly arranged on the connecting shaft, the greeting plate 39 is fixedly arranged on the left end face of the supporting block 40, and the thin wire 35 which is guided by the fixed pulley 37 and wound on the driving reel 32 is wound on the driving reel 38.

Advantageously, said first torsion spring 53 has a greater elastic force than said second torsion spring 52.

Advantageously, an attractive force exists between the iron piece 19 and the magnet 15, and the iron piece 19 is attracted to the lower magnet 15.

Advantageously, the second torsion spring 52 is in compression and the thread 35 is in tension.

Advantageously, the blocking plate 34 can block the rotation of the rotation lever 43.

Advantageously, the length of the greeting card 39 is substantially equal to the length of the rotating rod 43, and the rotating rod 43 can be retracted into the receiving cavity 33 after being rotated.

Sequence of mechanical actions of the whole device:

(1) the device is placed on the ground, and the two bottom gears 30 are meshed with the two rotating gears 27 in a distributed mode, so that the left and right wheels 50 cannot rotate in the same direction, the device cannot be pushed, and a good windproof effect is achieved.

(2) The motor 51 is started to drive the motor shaft 31 to rotate, the drive reel 32 rotates along with the motor shaft 31 to wind the thin wire 35, the drive reel 38 is driven to rotate, the support block 40 rotates along with the drive reel 38, the welcome sign 39 is driven to rotate, and therefore the display angle of the welcome sign 39 is adjusted.

(3) When the device needs to be moved, the handle 47 is manually pulled out upwards, the handle 47 drives the pull rod 16 to ascend, the pull rod 16 is meshed with the power gear 48 to drive the power gear 48 to rotate, the power bevel gear 46 rotates along with the power gear 48, the power bevel gear 46 is meshed with the transmission bevel gear 11 to drive the transmission bevel gear 11 to rotate, and the blocking plate 34 rotates ninety degrees along with the transmission bevel gear 11, so that the blocking plate 34 rotates into the connecting cavity 12 and does not block the rotating rod 43.

(4) The iron block 19 is lifted up along with the pull rod 16 to be separated from the attraction of the lower magnet 15 and to be attracted to the upper magnet 15, and the pull rod 16 drives the support plate 20 to be lifted up, thereby driving the bottom gear 30 to be lifted up, so that the bottom gear 30 is separated from the engagement of the rotating gear 27.

(5) The motor 51 is started, the motor shaft 31 is driven to rotate, the driving reel 32 rotates along with the motor shaft 31 to wind the thin line 35, the welcome board 39 is driven to rotate to be parallel to the rotating rod 43, the thin line 35 is not wound on the parallel rear transmission reel 38, the driving reel 32 continues to wind the thin line 35, the rotating rod 43 can be driven to rotate, the first torsion spring 53 is compressed until the rotating rod 43 and the welcome board 39 are stored in the storage cavity 33, at the moment, the wheel 50 can be driven to rotate along the same direction of the ground by pulling the handle 47, and therefore the device can be moved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.