CN217181397U

CN217181397U - Display device for performance evaluation

Info

Publication number: CN217181397U
Application number: CN202220064447.5U
Authority: CN
Inventors: 郝继明
Original assignee: Shandong Junshun Information Consulting Co Ltd
Current assignee: Shandong Junshun Information Consulting Co Ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-08-12
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a display device for performance evaluation, including projection show board and bottom plate, display device for performance evaluation still includes: elevating system establishes between projection show board and bottom plate for carry out altitude mixture control to the projection show board, elevating system includes well section of thick bamboo and the limit section of thick bamboo of fixed connection at bottom plate center and both ends, well section of thick bamboo top is rotated and is connected the second helical gear, second helical gear central thread connection screw thread post, screw thread capital end fixed connection projection show board. Through the utility model discloses a display device for performance evaluation adopts the mode of projection PPT to demonstrate performance evaluation, greatly saves field data statistics time, can carry out PPT to performance evaluation data in advance and gather, and it is comparatively convenient to use, and projected show height can be adjusted through projection show board simultaneously, removes the projection arrangement of wheel to some installations, can guarantee that the problem that the use stage can not appear sliding.

Description

Display device for performance evaluation

Technical Field

The utility model relates to a performance aassessment application technical field specifically is a display device for performance aassessment.

Background

The performance appraisal refers to a process of evaluating the work task completion condition of the staff, the work duty performance degree of the staff and the development condition of the staff by adopting a certain appraisal method according to a comparison work target or a performance standard, and feeding back the evaluation result to the staff, wherein the performance appraisal is a general term for performance appraisal and evaluation.

Present display device for performance evaluation needs field data statistics more, and is comparatively troublesome to the height of show can't freely be adjusted, can not satisfy multiple occasion and use, and some display device bottoms can install the removal wheel additional simultaneously, but easily receive the collision during the use and appear sliding, relatively influence the use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem provided in the background art, an object of the present invention is to provide a display device for performance evaluation.

In order to achieve the above object, the utility model provides a following technical scheme: including projection show board and bottom plate, display device for performance evaluation still includes:

the lifting mechanism is arranged between the projection display board and the bottom board and used for adjusting the height of the projection display board, the lifting mechanism comprises a middle cylinder and a side cylinder which are fixedly connected to the center and two ends of the bottom board, the top end of the middle cylinder is rotatably connected with a second helical gear, the center of the second helical gear is in threaded connection with a threaded column, the top end of the threaded column is fixedly connected with the projection display board, the bottom end of the threaded column extends into the middle cylinder, the second helical gear is meshed with the first helical gear, the first helical gear is rotatably connected into a support, the support is fixedly connected to the outer portion of the middle cylinder, the inner portion of the side cylinder is in sliding connection with a sliding column, and the top end of the sliding column is fixedly connected with the projection display board; and

the moving mechanism is arranged at the bottom of the bottom plate and used for moving the projection display plate integrally, and comprises moving wheels arranged at four corners of the bottom plate, and the moving wheels are provided with lifting pieces and used for stably placing the projection display plate integrally.

As the utility model discloses preferred, the rotation position one end of first helical gear is prolonged out and is changeed the handle to support outside fixed connection, changes to go up the cover and has the antiskid cover.

As the utility model discloses preferred, the lifting piece includes symmetrical threaded connection at the adjusting bolt at bottom plate both ends, and adjusting bolt's bottom is rotated and is connected end support, the last fixedly connected with deflector that goes back of end support, the spout has been seted up to the position that the bottom plate corresponds the deflector, and deflector sliding connection is in the spout.

As the utility model discloses preferred, end support bottom sets up a plurality of pads foot, and the pad foot is the rubber material.

As the utility model discloses preferred, the top of projection show board is equipped with the light.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up elevating system, can rotate to rotate the first helical gear of control and drive the second helical gear and rotate around the screw thread post through rotating, realize the rising of projection show board, set up moving mechanism, can be through the whole removal that carries on of removal wheel pair projection show board.

2. The utility model discloses a setting is changeed the handle, and the convenience rotates first helical gear, sets up the antiskid cover, increases the contact friction of hand, guarantees to rotate smoothly.

3. The utility model discloses a set up the lifting piece, release the regulation through rotating adjusting bolt to end support, can make end support ground connection will remove the wheel and lift up, utilize end support to wholly support the device, avoid using the stage to slide.

4. The utility model discloses a setting up and filling up the foot, can utilize the characteristic of rubber, increase the support stability of end support.

5. The utility model discloses a set up the light, can increase the luminance of projection show board, increase the clear effect.

Drawings

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

fig. 2 is a schematic bottom view of the present invention.

In the figure: 1. a threaded post; 2. a first helical gear; 3. turning a handle; 4. a support; 5. a middle cylinder; 6. a base plate; 7. a moving wheel; 8. adjusting the bolt; 9. a bottom support; 10. a foot pad; 11. a guide plate; 12. a chute; 13. a side drum; 14. a traveler; 15. a second helical gear; 16. a projection display board; 17. provided is a lighting lamp.

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.

As shown in fig. 1 to 2, the performance evaluation display device includes a projection display board 16 and a base board 6, and further includes:

the lifting mechanism is arranged between the projection display board 16 and the bottom board 6 and used for adjusting the height of the projection display board 16, the lifting mechanism comprises a middle cylinder 5 and a side cylinder 13 which are fixedly connected with the center and two ends of the bottom board 6, the top end of the middle cylinder 5 is rotatably connected with a second helical gear 15, the center of the second helical gear 15 is in threaded connection with a threaded column 1, the top end of the threaded column 1 is fixedly connected with the projection display board 16, the bottom end of the threaded column 1 extends into the middle cylinder 5, the second helical gear 15 is in meshed connection with a first helical gear 2, the first helical gear 2 is rotatably connected in a support 4, the support 4 is fixedly connected outside the middle cylinder 5, the inside of the side cylinder 13 is in sliding connection with a sliding column 14, and the top end of the sliding column 14 is fixedly connected with the projection display board 16; and

the moving mechanism is arranged at the bottom of the bottom plate 6 and used for moving the projection display board 16 integrally, and comprises moving wheels 7 arranged at four corners of the bottom plate 6, wherein the moving wheels 7 are provided with lifting pieces and used for stably placing the projection display board 16 integrally.

As the utility model discloses a technical optimization scheme, through setting up elevating system, can rotate 3 first helical gear 2 of control through rotating and drive second helical gear 15 and rotate around threaded post 1, realize the rising of projection show board 16, set up moving mechanism, can be through removing 7 integral displacements that carry on of wheel to projection show board 16.

Referring to fig. 1-2, one end of the rotating part of the first bevel gear 2 extends out of the bracket 4 to be fixedly connected with a rotating handle 3, and an anti-skid sleeve is sleeved on the rotating handle 3.

As the utility model discloses a technical optimization scheme changes 3 through the setting, and the convenience rotates first helical gear 2, sets up the antiskid cover, increases the contact friction of hand, guarantees to rotate smoothly.

Referring to fig. 1-2, the lifting member includes adjusting bolts 8 symmetrically screwed at two ends of the bottom plate 6, the bottom ends of the adjusting bolts 8 are rotatably connected to the bottom support 9, a guide plate 11 is fixedly connected to the bottom support 9, a sliding groove 12 is formed in the position of the bottom plate 6 corresponding to the guide plate 11, and the guide plate 11 is slidably connected in the sliding groove 12.

As the utility model discloses a technical optimization scheme is through setting up the lifting piece, releases the regulation through rotating adjusting bolt 8 to end support 9, can make end support 9 ground connection will remove wheel 7 and lift up, utilizes end support 9 to wholly support the device, avoids using the stage to slide.

Referring to fig. 1-2, a plurality of foot pads 10 are disposed at the bottom of the bottom support 9, and the foot pads 10 are made of rubber.

As a technical optimization scheme of the utility model, through setting up the foot pad 10, can utilize the characteristic of rubber, increase the support stability of end support 9.

Referring to fig. 2, the top of the projection display board 16 is provided with an illumination lamp 17.

As a technical optimization scheme of the utility model, through setting up light 17, can increase the luminance of projection show board 16, increase the clear effect.

The utility model discloses a theory of operation and use flow: when using this display device for performance evaluation, at first when using, move the suitable position of placing with the device through removing wheel 7, then release the regulation through rotating adjusting bolt 8 to end support 9, can make end support 9 ground connection lift removal wheel 7, utilize end support 9 to carry out the outrigger to the device is whole, it improves the luminance of projection show board 16 to open light 17 again, when the height of projection show board 16 is not enough, can rotate 3 first helical gear 2 of control and drive second helical gear 15 around the rotation of screw post 1, make projection show board 16 rise, thereby the use of cost device has been accomplished.

Through the utility model discloses a display device for performance evaluation adopts the mode of projection PPT to demonstrate performance evaluation, greatly saves the on-the-spot data statistics time, can carry out PPT to performance evaluation data in advance and gather, and it is comparatively convenient to use, and projected show height can be adjusted through projection show board simultaneously, removes the projection arrangement of wheel to some installations, can guarantee that the problem that can not appear sliding in the use stage, has usable value in performance evaluation application technical field.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A display device for performance evaluation is characterized in that: including projection show board (16) and bottom plate (6), display device for performance evaluation still includes:

a lifting mechanism arranged between the projection display board (16) and the bottom board (6) and used for adjusting the height of the projection display board (16), the lifting mechanism comprises a middle cylinder (5) and a side cylinder (13) which are fixedly connected with the center and two ends of the bottom plate (6), the top end of the middle cylinder (5) is rotationally connected with a second helical gear (15), the center of the second helical gear (15) is in threaded connection with a threaded column (1), the top end of the threaded column (1) is fixedly connected with a projection display board (16), the bottom end of the threaded column (1) extends into the middle cylinder (5), the second bevel gear (15) is meshed with the first bevel gear (2), the first bevel gear (2) is rotatably connected in the bracket (4), the bracket (4) is fixedly connected outside the middle cylinder (5), the inside of the side barrel (13) is connected with a sliding column (14) in a sliding manner, and the top end of the sliding column (14) is fixedly connected with a projection display board (16); and

the moving mechanism is arranged at the bottom of the bottom plate (6) and used for moving the projection display board (16) integrally, and comprises moving wheels (7) arranged at four corners of the bottom plate (6), wherein the moving wheels (7) are provided with lifting pieces and used for stably placing the projection display board (16) integrally.

2. The performance evaluation display device according to claim 1, wherein: one end of the rotating part of the first bevel gear (2) extends out of the bracket (4) and is fixedly connected with a rotating handle (3), and an anti-skid sleeve is sleeved on the rotating handle (3).

3. The performance evaluation display device according to claim 1, wherein: lifting piece includes adjusting bolt (8) at bottom plate (6) both ends of symmetry threaded connection, and support (9) at the bottom of adjusting bolt (8) are connected in the rotation of the bottom, and fixedly connected with deflector (11) go back on support (9), spout (12) have been seted up to the position that bottom plate (6) correspond deflector (11), and deflector (11) sliding connection is in spout (12).

4. The performance evaluation display apparatus according to claim 3, wherein: the bottom of the bottom support (9) is provided with a plurality of foot pads (10), and the foot pads (10) are made of rubber.

5. The performance evaluation display device according to claim 1 or 2, wherein: the top end of the projection display board (16) is provided with a lighting lamp (17).