CN210567105U

CN210567105U - Computer screen unable adjustment base with adjustable

Info

Publication number: CN210567105U
Application number: CN201921101497.0U
Authority: CN
Inventors: 王向中
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-05-19
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses an adjustable computer screen fixing base, which belongs to the field of computer equipment and comprises a base disc and a strut, wherein a cavity is arranged in the base disc, the strut is longitudinally arranged on the base disc, a driven gear positioned in the cavity is fixedly sleeved at the bottom of the strut, a driving gear is meshed at one side of the driven gear, a driving shaft is inserted at the inner side of the driving gear, an inner gear ring and an outer gear ring which are mutually meshed are arranged between the driving shaft and the driving gear, a limiting block is fixed at the upper end of the driving shaft, and a limiting groove matched with the limiting block is arranged at the position on the base disc; the support is sleeved with a sliding block and a sleeve, the support and the sliding block form a screw rod sliding block structure, a gap exists between the sleeve and the support, one side of the sleeve is connected with a long supporting strip plate used for clamping a computer screen through a connecting plate, and a damping rotating shaft structure is connected at the fixed position of the long supporting strip plate and the connecting plate. The utility model discloses can realize the regulation to the height of computer screen, every single move angle and control deflection angle, convenient to use.

Description

Computer screen unable adjustment base with adjustable

Technical Field

The utility model relates to a computer equipment field, specificly relate to a computer screen unable adjustment base with adjustable.

Background

With the advent of the information-oriented era, computers and networks have become an important part of people, especially the middle-aged and young people, but the computer diseases caused by improper use come along, wherein the cervical spondylosis is the most common and mainly manifested as stiff neck, aching shoulder and arm, numb fingers, dizziness and the like, and the height, the angle and the like of a computer screen cannot be adjusted from person to person, so that the use of people is inconvenient, and the tension and the strain of muscles around the cervical vertebra are caused, and therefore, an adjustable computer screen fixing base is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a computer screen unable adjustment base with adjustable, it can realize the regulation to the height of computer screen, every single move angle and left and right sides deflection angle, convenient to use.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

an adjustable computer screen fixing base comprises a base plate and a pillar which is longitudinally arranged on the base plate, a cavity is arranged in the base plate, a driving gear and a driven gear which are horizontally arranged and are mutually meshed are arranged in the cavity, a driving shaft is inserted on the central axis of the driving gear, and the outer surface of the driving shaft and the inner surface of the driving gear are respectively and correspondingly provided with an inner gear ring and an outer gear ring which can be meshed with each other, the lower end of the driving shaft is positioned at the lower part of the inner side of the driving gear, the upper end of the driving shaft extends upwards to penetrate through the top of the base plate, two opposite sides of the outer surface of the upper end of the driving shaft are respectively fixed with a limiting block positioned above the base plate, two limiting grooves matched with the limiting blocks are formed in the position, through which the driving shaft penetrates, of the base disc, and the bottoms of the limiting grooves are higher than the side wall of the top of the cavity;

the lower end of the strut penetrates through the center of the driven gear and is connected to the side wall of the bottom of the cavity through a bearing, the driven gear is fixedly sleeved on the strut, external threads are distributed on the surface of the part, located above the base disc, of the strut, a sliding block and a sleeve located above the sliding block are sleeved on the strut, internal threads matched with the external threads are distributed on the inner side surface of the sliding block, and a gap is formed between the inner side surface of the sleeve and the external threads; one side of the sleeve is fixed with a connecting plate extending upwards, the upper end of the connecting plate is connected with a longitudinally-arranged long supporting strip plate in a shape like the Chinese character 'ji' through a damping rotating shaft structure, the long supporting strip plate is positioned above the side where the driving gear is positioned, a threaded hole is vertically formed in the top of the long supporting strip plate, an adjusting screw matched with the threaded hole penetrates through the threaded hole, and a gasket is fixed at the bottom of the adjusting screw.

Furthermore, the bottom surfaces of the driving gear and the driven gear are respectively provided with an inwards concave annular clamping groove which takes the circle center of each bottom surface as the circle center, the annular clamping grooves are internally and respectively matched with and provided with a downwardly extending supporting ring body, the bottom of the supporting ring body under the driving gear is fixed on the side wall of the bottom of the cavity, and the bottom of the supporting ring body under the driven gear is fixed on the bearing. The ring slot can take place to rotate for the support ring body, and two support ring bodies can support driving gear and driven gear respectively simultaneously to can make somebody a mere figurehead driving gear and driven gear, the rotation of the driving gear of being convenient for and driven gear.

Furthermore, the upper end of the pillar is detachably connected (can be inserted or clamped) with a limiting plate, and at least one side of the limiting plate extends outwards to the outer side of the inner side face of the sleeve. The limiting plate can prevent the sleeve from separating from the support column from the upper end of the support column.

Furthermore, the damping rotating shaft structure comprises a fixed short shaft and a hollow rotating shaft, wherein the fixed short shaft is transversely arranged, the hollow rotating shaft is sleeved on the fixed short shaft in a clearance mode, the two compression springs are respectively sleeved on the fixed short shafts on the two sides of the hollow rotating shaft, a transverse J-shaped short supporting plate is arranged below the fixed short shaft, the two ends of the fixed short shaft are respectively fixed at the two ends of the short supporting plate, the two ends of each compression spring are respectively abutted against the two ends of the hollow rotating shaft and the two ends of the short supporting plate, and the middle of each long supporting plate is fixed on one side of the hollow rotating shaft. Because the compression springs are in a compression state, the compression springs on the two sides of the hollow rotating shaft always extrude the hollow rotating shaft, so that a damping effect can be exerted, and the long support lath can be kept in the state after rotating at any angle along with the hollow rotating shaft.

Furthermore, two opposite sides of the sleeve are respectively fixed with connecting plates which extend upwards towards two sides, and the upper ends of the two connecting plates are respectively connected with a long supporting strip plate through a damping rotating shaft structure. When the support is applied, the two long supporting strips can be respectively arranged on two sides of the computer screen, so that the computer screen can be more stably supported; the two damping rotating shaft structures enable the pitching angle adjustment operation of the computer screen to be more stable.

Furthermore, one end of the bottom of the long supporting strip plate, which faces away from the supporting column, is provided with a limiting strip protruding upwards. The limiting strips can prevent the computer screen from sliding off and can better support the lower end of the computer screen.

3. Advantageous effects

The utility model comprises a base plate with a cavity inside and a pillar longitudinally arranged on the base plate, wherein the bottom of the pillar is fixedly sleeved with a driven gear positioned in the cavity, one side of the driven gear is engaged with a driving gear, a driving shaft is inserted in the inner side of the driving gear, and an inner gear ring and an outer gear ring which are engaged with each other are arranged between the driving shaft and the driving gear; the support is sleeved with a sliding block and a sleeve, the support and the sliding block form a screw rod sliding block structure, a gap exists between the sleeve and the support, one side of the sleeve is connected with a long supporting strip plate used for clamping a computer screen through a connecting plate, and a damping rotating shaft structure is connected at the fixed position of the long supporting strip plate and the connecting plate. When the damping rotating shaft structure is applied, the upper end and/or the lower end of the computer screen is pulled, so that the damping rotating shaft structure rotates at any angle, and the pitching angle of the computer screen can be adjusted; the left and right deflection angles of the computer screen can be adjusted by pulling the left and right end sides of the computer screen to enable the sleeve to rotate around the support; the driving gear can be driven to rotate by rotating the driving shaft, so that the driven gear and the support column are driven to rotate, the sliding block can move up and down along the support column, the sleeve can move up and down along with the sliding block, the long support strip plate and the computer screen are driven to move up and down together, and the height adjustment of the computer screen is realized; when computer screen removes the position to needs, extract the drive shaft and make the stopper aim at the spacing groove and insert the driving gear inboard, go into the spacing inslot to the stopper card, afterwards, if unexpected drive pivoted power is applyed to the pillar, driven gear, driving gear and drive shaft have in proper order by drive pivoted trend, and because the stopper card is in the spacing inslot, the rotation of drive shaft has been prevented to can effectively avoid the unexpected rotation of pillar, and then can guarantee the stability of computer screen position height. Then the utility model discloses can realize the regulation to the height of computer screen, every single move angle and control deflection angle, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the back side of the computer screen 28 according to the present invention;

3 FIG. 3 2 3 is 3 a 3 schematic 3 structural 3 view 3 of 3 section 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3

FIG. 3 is an enlarged view of the structure of the area B in FIG. 2;

FIG. 4 is an enlarged view of the structure of the area C in FIG. 2;

FIG. 5 is a schematic view of the bottom surface of the drive gear 3;

fig. 6 is a bottom view of the drive shaft 5;

fig. 7 is a top view of the present invention in a state where the computer screen 28 is installed.

Reference numerals: 1-base plate, 2-pillar, 3-driving gear, 4-driven gear, 5-driving shaft, 6-limiting block, 7-limiting groove, 8-bearing, 9-external thread, 10-cavity, 11-slide block, 12-sleeve, 13-connecting plate, 14-long supporting plate, 15-threaded hole, 16-adjusting screw, 17-gasket, 18-annular clamping groove, 19-supporting ring body, 20-limiting plate, 21-fixed short shaft, 22-hollow rotating shaft, 23-compression spring, 24-short supporting plate, 25-limiting strip, 26-internal gear ring, 27-external gear ring and 28-computer screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1, an adjustable computer screen fixing base comprises a base plate 1 and a pillar 2 longitudinally installed on the base plate 1, as shown in fig. 2, a cavity 10 is arranged inside the base plate 1, a driving gear 3 and a driven gear 4 which are horizontally placed and engaged with each other are arranged in the cavity 10, a driving shaft 5 is inserted on a central axis of the driving gear 3, as shown in fig. 4, 5 and 6, an inner gear ring 26 and an outer gear ring 27 which can be engaged with each other are respectively and correspondingly arranged on an outer surface of the driving shaft 5 and an inner surface of the driving gear 3, a lower end of the driving shaft 5 is located at an inner lower part of the driving gear 3, an upper end of the driving shaft 5 extends upwards to penetrate through the top of the base plate 1, two opposite sides of an outer surface of an upper end of the driving shaft 5 are respectively fixed with a limiting block 6 located above the base plate 1, as shown in fig. 2, two limiting blocks 6 adapted to the limiting block 6 The bottom of the limiting groove 7 is higher than the top side wall of the cavity 10;

as shown in fig. 2, the lower end of the pillar 2 penetrates through the center of the driven gear 4 and is connected to the bottom side wall of the cavity 10 through a bearing 8, as shown in fig. 2 and fig. 1, the driven gear 4 is fixedly sleeved on the pillar 2, external threads 9 are distributed on the surface of the part of the pillar 2 located above the base plate 1, a slider 11 and a sleeve 12 located above the slider 11 are sleeved on the pillar 2, internal threads matched with the external threads 9 are distributed on the inner side surface of the slider 11, and a gap is formed between the inner side surface of the sleeve 12 and the external threads 9; one side of sleeve 12 is fixed with the even board 13 that upwards extends, the upper end of even board 13 is connected with the long slat 14 that is "]" shape that vertically sets up through damping pivot structure, long slat 14 is located the top of driving gear 3 place side, as shown in fig. 3, the vertical screw hole 15 that has seted up in top of long slat 14, wear to be equipped with the adjusting screw 16 with screw hole 15 looks adaptation in the screw hole 15, the bottom of adjusting screw 16 is fixed with gasket 17.

In this embodiment, as shown in fig. 2 and 4, the bottom surfaces of the driving gear 3 and the driven gear 4 are both provided with an inward-concave annular groove 18 using the center of the circle of each bottom surface as the center of the circle, a downwardly-extending support ring 19 is respectively disposed in the annular groove 18, the bottom of the support ring 19 directly below the driving gear 3 is fixed on the sidewall of the bottom of the cavity 10, and the bottom of the support ring 19 directly below the driven gear 4 is fixed on the bearing 8. The ring slot 18 can rotate relative to the support ring 19, and the two support ring 19 can support the driving gear 3 and the driven gear 4 respectively, so that the driving gear 3 and the driven gear 4 can be erected, and the rotation of the driving gear 3 and the driven gear 4 is facilitated.

In this embodiment, as shown in fig. 1 and 2, at least one position-limiting plate 20 extending outward to the outside of the inner side of the sleeve 12 is detachably connected to the upper end of the pillar 2. The retainer plate 20 prevents the sleeve 12 from being detached from the support post 2 from the upper end of the support post 2.

In this embodiment, as shown in fig. 1 and 7, the damping rotating shaft structure includes a fixed short shaft 21 transversely disposed, a hollow rotating shaft 22 intermittently sleeved on the fixed short shaft 21, and two compression springs 23 respectively sleeved on the fixed short shafts 21 at two sides of the hollow rotating shaft 22, a short support plate 24 transversely disposed in a "]" shape is disposed below the fixed short shaft 21, two ends of the fixed short shaft 21 are respectively fixed at two ends of the short support plate 24, two ends of the compression springs 23 respectively abut against two ends of the hollow rotating shaft 22 and the short support plate 24, and a middle portion of the long support plate 14 is fixed at one side of the hollow rotating shaft 22. Because the compression springs 23 are in a compressed state, the compression springs 23 on both sides of the hollow rotating shaft 22 always press the hollow rotating shaft 22, so that a damping effect can be exerted, and the long support lath 14 can be kept in the state after rotating at any angle along with the hollow rotating shaft 22.

In this embodiment, as shown in fig. 1, two opposite sides of the sleeve 12 are fixed with two connecting plates 13 extending upwards and towards two sides, and the upper ends of the two connecting plates 13 are connected with a long batten 14 through a damping rotating shaft structure. When in use, the two long supporting strips 14 can be respectively arranged at two sides of the computer screen 28, thereby more stably supporting the computer screen 28; the two damping rotating shaft structures enable the pitching angle adjusting operation of the computer screen 28 to be more stable.

In this embodiment, as shown in fig. 2, an upwardly protruding stopper 25 is formed at an end of the bottom of the long batten plate 14 facing away from the pillar 2. The limiting strip 25 can prevent the computer screen 28 from sliding off and can better support the lower end of the computer screen 28.

The specific application process of the adjustable computer screen 28 fixing base is as follows:

when the computer screen 28 is installed, firstly, the adjusting screw 16 is rotated upwards to enable the gasket 17 to be attached to the inner top of the long supporting strip plate 14, then, the lower end of the computer screen 28 is placed at the inner bottom of the long supporting strip plate 14, the back surface of the computer screen 28 is attached to the long supporting strip plate 14, and then, the adjusting screw 16 is rotated to enable the gasket 17 to move downwards to be tightly pressed on the top of the computer screen 28, so that the primary installation of the computer screen 28 is realized;

if the pitching angle of the computer screen 28 needs to be adjusted, only the upper end and/or the lower end of the computer screen 28 needs to be pulled by a hand, in the process, the long supporting strip plate 14 inclines along with the inclination of the computer screen 28 to drive the hollow rotating shaft 22 to rotate around the fixed short shaft 21 by a corresponding angle, and when the pulling of the computer screen 28 is stopped, the hollow rotating shaft 22, the long supporting strip plate 14 and the computer screen 28 can stably keep the current state due to the elastic force action of the compression springs 23 on the two sides of the hollow rotating shaft 22;

if the left and right deflection angles of the computer screen 28 need to be adjusted, only the left and right end sides of the computer screen 28 need to be pulled manually, in the process, only the sleeve 12 rotates around the support column 2, and the sliding block 11 always supports the sleeve 12;

if the height of the computer screen 28 needs to be adjusted, the driving shaft 5 is lifted upwards until the limiting block 6 is separated from the limiting groove 7 and is positioned above the base plate 1, then the driving shaft 5 is rotated, the driving gear 3 is driven to rotate through the inner gear ring 26 and the outer gear ring 27 which are meshed with each other between the driving shaft 5 and the driving gear 3, then the driving gear 3 drives the driven gear 4 to rotate, so that the supporting column 2 is driven to rotate, the outer threads 9 on the supporting column 2 are matched with the inner threads of the sliding block 11, so that the supporting column 2 and the sliding block 11 form a screw rod sliding block 11 structure, the sliding block 11 can move upwards or downwards along the supporting column 2 in the rotating process of the supporting column 2, and when the sliding block 11 moves upwards, the sleeve 12 can be pushed to move upwards, so that the long supporting strip plate 14 and; when the sliding block 11 moves downwards, the sleeve 12, the long supporting strip plate 14 and the computer screen 28 move downwards together under the action of gravity, when the computer screen 28 moves to a required position, the driving shaft 5 stops rotating and the driving shaft 5 is pulled out, the driving shaft 5 is inserted into the driving gear 3 after the limiting block 6 is aligned to the limiting groove 7 until the limiting block 6 is clamped into the limiting groove 7, and then if an unexpected driving and rotating force is applied to the strut 2, the driven gear 4, the driving gear 3 and the driving shaft 5 tend to be driven and rotated in sequence, and because the limiting block 6 is clamped in the limiting groove 7, the rotation of the driving shaft 5 is prevented, so that the unexpected rotation of the strut 2 can be effectively avoided, the stability of the height where the computer screen 28 is located can be further ensured, and the height adjustment of the computer screen 28 can be realized.

Therefore, the utility model discloses can realize the regulation to the height of computer screen, every single move angle and control deflection angle, convenient to use.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. An adjustable computer screen fixing base comprises a base plate (1) and a strut (2) longitudinally installed on the base plate (1), and is characterized in that a cavity (10) is arranged inside the base plate (1), a driving gear (3) and a driven gear (4) which are horizontally placed and are meshed with each other are arranged in the cavity (10), a driving shaft (5) is inserted on a central axis of the driving gear (3), an inner gear ring (26) and an outer gear ring (27) which can be meshed with each other are correspondingly arranged on the outer surface of the driving shaft (5) and the inner surface of the driving gear (3) respectively, the lower end of the driving shaft (5) is located at the lower part of the inner side of the driving gear (3), the upper end of the driving shaft (5) upwards extends to the top of the base plate (1), and limiting blocks (6) located above the base plate (1) are fixed on two opposite sides of the outer surface of the upper end of the, two limiting grooves (7) matched with the limiting blocks (6) are formed in the position, through which the driving shaft (5) penetrates, of the base plate (1), and the bottoms of the limiting grooves (7) are higher than the side wall of the top of the cavity (10);

the lower end of the strut (2) penetrates through the center of the driven gear (4) and is connected to the side wall of the bottom of the cavity (10) through a bearing (8), the driven gear (4) is fixedly sleeved on the strut (2), external threads (9) are distributed on the surface of the part, located above the base disc (1), of the strut (2), a sliding block (11) and a sleeve (12) located above the sliding block (11) are sleeved on the strut (2), internal threads matched with the external threads (9) are distributed on the inner side surface of the sliding block (11), and a gap exists between the inner side surface of the sleeve (12) and the external threads (9); one side of sleeve (12) is fixed with even board (13) that upwards extends, the upper end of even board (13) is connected with through damping pivot structure and is the long slat (14) of "]" shape that is of vertical setting, long slat (14) are located the top of driving gear (3) place side, the vertical threaded hole (15) of seting up in top of long slat (14), adjusting screw (16) with threaded hole (15) looks adaptation are worn to be equipped with in threaded hole (15), the bottom of adjusting screw (16) is fixed with gasket (17).

2. The adjustable computer screen fixing base as claimed in claim 1, wherein the driving gear (3) and the driven gear (4) are both provided with a concave annular clamping groove (18) on the bottom surface thereof, the circular clamping groove (18) is internally provided with a downwardly extending supporting ring body (19) in a matching manner, the bottom of the supporting ring body (19) right below the driving gear (3) is fixed on the bottom side wall of the cavity (10), and the bottom of the supporting ring body (19) right below the driven gear (4) is fixed on the bearing (8).

3. The adjustable computer screen fixing base of claim 1, wherein the upper end of the pillar (2) is detachably connected with at least one limiting plate (20) extending outwards from one side to the outside of the inner side of the sleeve (12).

4. The adjustable computer screen fixing base of claim 1, wherein the damping rotation shaft structure comprises a fixed short shaft (21) transversely arranged, a hollow rotation shaft (22) intermittently sleeved on the fixed short shaft (21), and two compression springs (23) respectively sleeved on the fixed short shaft (21) at two sides of the hollow rotation shaft (22), a short support plate (24) transversely arranged is arranged below the fixed short shaft (21), two ends of the fixed short shaft (21) are respectively fixed at two ends of the short support plate (24), two ends of the compression spring (23) respectively abut against two ends of the hollow rotation shaft (22) and the short support plate (24), and a middle part of the long support plate (14) is fixed at one side of the hollow rotation shaft (22).

5. The adjustable computer screen fixing base as claimed in claim 1 or 4, wherein two opposite sides of the sleeve (12) are fixed with connecting plates (13) extending upwards towards two sides, and the upper ends of the two connecting plates (13) are connected with a long supporting strip plate (14) through a damping rotating shaft structure.

6. The adjustable computer screen fixing base of claim 1, wherein the end of the bottom of the long batten plate (14) facing away from the pillar (2) is formed with an upward convex limit strip (25).