CN213281959U - Desktop angle adjusting device and table - Google Patents
Desktop angle adjusting device and table Download PDFInfo
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- CN213281959U CN213281959U CN202021784798.0U CN202021784798U CN213281959U CN 213281959 U CN213281959 U CN 213281959U CN 202021784798 U CN202021784798 U CN 202021784798U CN 213281959 U CN213281959 U CN 213281959U
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Abstract
The utility model discloses a desktop angle adjusting device and a table, wherein the desktop angle adjusting device comprises a table frame and a movable table plate, and the movable table plate can turn over relative to the table frame; a supporting part is arranged in the table frame; a lifting component is arranged between the supporting part and the movable table plate and comprises a supporting arm and a driving rod; one end of the supporting arm is hinged with the supporting part at a first hinge point; the other end of the supporting arm is in sliding fit with the movable table plate; one end of the driving rod is hinged with the supporting part at a second hinge point, and the other end of the driving rod is hinged on the supporting arm; the driving rod can be adjusted in a telescopic mode, the driving rod extends to drive the supporting arm to rotate forwards around the first hinge point, and the rear end of the movable table plate rises upwards; the driving rod is contracted to drive the supporting arm to rotate backwards around the first hinge point, and the rear end of the movable table plate descends; the driving rod drives the supporting arm to rotate so as to adjust the inclination angle of the movable table plate, and the whole structure is stable; and the driving rod can open the movable table plate to a sufficient angle under a short stroke.
Description
Technical Field
The utility model relates to a study table field, in particular to desktop angle adjusting device and table utensil.
Background
The desktop plate of the study desk has the requirement of adjustable angle, so that when children or students use the study desk, the inclination angle of the desktop plate can be adjusted to enable the sitting posture to be more in line with human engineering; however, most of the study tables on the market at present have an adjustment angle range of less than 30 degrees, and cannot completely meet the study requirements of students. Even if the adjustment angle range of a part of angle lifters can reach a large angle of 80 degrees, the angle adjustment of a plurality of gears can be discontinuously lifted due to the adoption of the intermittent adjustment mode of the angle lifters, and stepless adjustment cannot be realized; inconvenience is brought to the adjustment of the learning desktop; the angle of the learning table is controlled and adjusted by a part of the learning table through the air rod, but the opening angle of the learning table is completely dependent on the stroke of the air rod, the requirement on the air rod is high, and the cost is uncontrollable; or change the hookup location of gas pole for the gas pole can adjust the table and open sufficient angle at less stroke, but can lead to whole atress unstable again, and structural strength is not enough.
CN201420489552.9, a chinese utility model patent discloses a "liftable learning table", which is characterized in that the learning table comprises two footings; each bottom foot is vertically provided with a support leg; a baffle is arranged on the outer side surface between the two support legs; a bearing frame is arranged on the support legs, a table plate is arranged on the bearing frame, wherein the table plate is divided into two parts, one part is a fixed table plate and is fixedly connected to the bearing frame, and the other part is a movable table plate and is hinged to the bearing frame; a cross brace is arranged in the middle of the bearing frame; two ends of the cross brace are respectively connected to the bearing frame; an air rod is connected between the movable desk plate and the cross brace. Although the angle of the desk plate can be adjusted through the air rod, the opening angle of the desk plate is completely dependent on the stroke length of the air rod; this results in the need to equip the air bar with a sufficiently long stroke if it is desired to make the opening angle of the table sufficient; however, the installation space provided by the product is limited, and the product cannot be well blended into the product at a certain position to seriously affect the appearance of the product.
Chinese invention patent of cn201910901029.x discloses "an intelligent electric children growth table", including two lift table legs, two lifting motor, two fixed table legs, rectangular support frame, lift table, slope table, little table, lifting motor installs on lift table leg, and can drive lift table leg and do lifting motion, and its special evidence lies in: still including the intelligent control system who controls lift table lift, the rectangle support frame is installed to the top of two lift table legs, the left side fixed mounting of rectangle support frame has the lift table, and right side movable mounting has the slope table that can adjust inclination, install the connecting rod between lift table leg and the fixed table leg, the top fixed mounting of two fixed table legs has little table. The desk plate of the learning desk is adjusted to be lifted through the air rod, and the connecting position of the bottom end of the air rod is close to the front end of the desk plate; the air rod can be opened by a sufficient angle within a small movement stroke during adjustment; although the requirement on the stroke of the air rod can be reduced, the cost is saved; but the bottom of gas pole is close to the table front end, and the activity table rear end is connected to the gas pole upper end for when the human body pushes down the activity table, activity table and gas pole form a long arm of force, and the fixed rotation point precision is too high near the activity table front end to the bottom of gas pole, makes the activity desktop unstable, and intensity is not enough, rocks easily.
Disclosure of Invention
The utility model overcomes the defects in the prior art, and provides a desktop angle adjusting device which adjusts the inclination angle of a movable desk plate through a lifting component; the lifting assembly comprises a supporting arm and a driving rod acting on the supporting arm, a supporting part is arranged on the table frame, the lower end of the supporting arm and the supporting part are hinged to a first hinge point, and the first hinge point is arranged behind the front end of the movable table board; the upper end of the supporting arm is in sliding fit with the movable table plate; the lower end of the driving rod is hinged with the supporting part at a second hinge point, and the second hinge point is positioned behind the first hinge point; the upper end of the driving rod is hinged on the supporting arm; so that the driving rod can be lifted to drive the supporting arm to rotate around the first hinge point so as to drive the rear end of the movable table plate to lift or descend; the driving rod indirectly acts on the movable table plate through the supporting arm, so that the movable table plate can be turned over to a sufficient angle by the driving rod in a small telescopic stroke; the requirement on the driving rod is reduced, and the cost is saved; the second hinge point is positioned behind the first hinge point, so that when the movable table plate is inclined, the direction of the supporting force of the driving rod on the movable table plate is changed, and the direction of the pressure of the human body pressing down the movable table plate corresponds to the direction of the supporting force of the driving rod on the movable table plate, so that the movable table plate is stable and has better strength; the space required for use is smaller.
Then, in the table, the driving rod is controlled to adjust the inclination angle of the movable table plate, and the operation is simple and convenient.
The technical scheme of the utility model is realized like this:
a desktop angle adjusting device comprises a desk frame and a movable desk plate positioned at the upper end of the desk frame, wherein the rear end of the movable desk plate can turn around the front end of the movable desk plate relative to the desk frame; a supporting part which is relatively fixed with the table frame is arranged in the table frame, and the supporting part is positioned below the movable table plate; a lifting assembly for adjusting the inclination angle of the movable table plate is arranged between the supporting part and the movable table plate, and the lifting assembly comprises a supporting arm and a driving rod acting on the supporting arm; one end of the supporting arm is hinged with the supporting part at a first hinge point, and the first hinge point is arranged behind the front end of the movable table board; the other end of the supporting arm is connected to the movable table plate and is in sliding fit with the movable table plate; one end of the driving rod is hinged with the supporting part at a second hinge point, and the second hinge point is arranged behind the first hinge point; the other end of the driving rod is hinged on the supporting arm; the driving rod can be adjusted in a telescopic mode, the driving rod extends to drive the supporting arm to rotate forwards around the first hinge point, and the rear end of the movable table plate rises upwards; the driving rod is contracted to drive the supporting arm to rotate backwards around the first hinge point, and the rear end of the movable table plate descends. The driving rod drives the supporting arm to rotate so as to adjust the inclination angle of the movable table plate, so that the whole structure is stable; and reasonable layout can drive the telescopic stroke requirement of the rod, so that the movable table board can be opened to a sufficient angle by the drive rod under a short telescopic stroke.
Preferably, the supporting part is a longitudinal beam arranged in the table frame along the front-back direction, the front end and the back end of the longitudinal beam are respectively fixed with the table frame, and the front end of the longitudinal beam is positioned close to the front end of the movable table plate; the first hinge point is located at the front part of the longitudinal beam, and the second hinge point is located at the rear part of the longitudinal beam. The longitudinal beam is not specially arranged on the table frame, but a reinforcing rod for reinforcing the strength is arranged on the table frame, so that the structure of the table frame is fully utilized.
Preferably, the upper end of the table frame is provided with a fixed table plate, the front end of the movable table plate is hinged with the fixed table plate, and the hinged point is a positioning point.
Preferably, the first hinge point is located between the positioning point and the second hinge point, and the position of the first hinge point is close to the positioning point. The first hinge point is closer to the positioning point, so that the support arm rotates around the first hinge point in a small range, and the lifting of the movable table plate can be effectively adjusted; the angle of the movable table board can be effectively adjusted by stretching the driving rod in a small range, and the requirement of the driving rod is reduced.
Preferably, the front end of the driving rod and the supporting arm are hinged to a third hinge point, and the third hinge point is located close to the first hinge point. The third hinge point is close to the first hinge point, so that the telescopic stroke required by the driving rod is shorter when the movable table board is opened at a certain angle.
Preferably, a sliding mechanism is arranged between the movable table plate and the supporting arm, the sliding mechanism comprises a sliding seat and a guide pin which are in sliding fit, the sliding seat is arranged on one of the movable table plate or the supporting arm, and the guide pin is arranged on the other of the movable table plate or the supporting arm. The upper end of the supporting arm is in sliding fit with the movable table plate, so that the supporting arm rotates to slide relative to the movable table plate, and the rear end of the movable table plate is driven to ascend or descend.
Preferably, the sliding seat is arranged on the lower surface of the movable table plate, and two side walls of the sliding seat are provided with guide grooves arranged along the length direction of the movable table plate; the guide pin is correspondingly arranged on the side face of the upper end of the supporting arm, and the guide pin is limited in the guide groove and slides back and forth along the length direction of the guide groove.
Preferably, the driving rod is a telescopic air rod. The actuating lever is the flexible gas pole of drive-by-wire for in the use, it is very convenient to adjust the flexible of actuating lever.
A desktop angle adjusting device comprises a desk frame and a movable desk plate positioned at the upper end of the desk frame, wherein the movable desk plate can turn over relative to the desk frame; a supporting part which is relatively fixed with the table frame is arranged in the table frame, and the supporting part is arranged along the front-back direction and is positioned below the movable table plate; a lifting assembly for adjusting the inclination angle of the movable table plate is arranged between the supporting part and the movable table plate, and the lifting assembly comprises a supporting arm and a driving rod acting on the supporting arm; the upper end of the supporting arm is hinged to the movable table plate, and the lower end of the supporting arm can slide back and forth along the length direction of the supporting part; the driving rod is positioned behind the supporting arm, the front end of the driving rod is hinged to the supporting arm, and the rear end of the driving rod is hinged to the supporting part; the driving rod can be adjusted in a telescopic mode, the driving rod contracts to enable the lower end of the supporting arm to slide backwards along the supporting portion, and the rear end of the movable table plate rises; the driving rod extends to enable the lower end of the supporting arm to slide forwards along the supporting part, and the rear end of the movable table plate descends. The lower end of the supporting arm is driven by the extension of the driving rod to slide back and forth along the supporting part, so that the inclination angle of the movable table plate is adjusted; smooth adjustment and ingenious design.
A table is provided with the table top angle adjusting device. Therefore, the movable table plate on the table can be easily and conveniently adjusted to any angle.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
the utility model provides a desktop angle adjusting device compares with traditional adjusting device:
firstly, the driving rod drives the supporting arm to rotate around the first hinge point so as to adjust the inclination angle of the movable table plate, so that the movable table plate can be adjusted to be opened to a large enough angle by the driving rod in a small telescopic stroke; compared with the traditional mode that the movable table plate can be opened at a sufficient angle only by configuring the air rod with a sufficient stroke, the requirement on the air rod is undoubtedly reduced, and the cost is saved; the large-angle adjustment of the movable table plate can be realized in a compact space.
In addition, the second pin joint be located the rear portion of longeron for when the activity table was used at the slope attitude, the human power of pushing down the activity table just formed a balance of power with the power that the actuating lever supported the activity table, made the atress intensity of table better, overall structure is more stable. And a triangle is enclosed among the driving rod, the supporting arm and the longitudinal beam, and the triangle has the characteristic of high stability, so that the integral structural strength is higher.
Moreover, the longitudinal beam is not specially arranged, but is a reinforcing beam which is arranged on the table frame and used for reinforcing the integral structural strength of the table frame; the lifting component is skillfully arranged on the longitudinal beam by utilizing the point; the processing cost can be effectively saved, the structure does not need to be specially added, and the design is ingenious.
In conclusion, the adjusting device has the advantages of low cost, wide angle adjusting range of the table plate, overall stability and higher strength. Attached with
Drawings
Fig. 1 is a schematic view of an unopened three-dimensional structure of a movable table in embodiment 1 of the present invention;
fig. 2 is a schematic perspective view of the slightly inclined movable table of the embodiment 1 of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the movable table board of the present invention when the maximum tilt angle is reached in embodiment 1;
fig. 4 is a schematic side perspective view of the movable table of the embodiment 1 of the present invention in a horizontal state;
fig. 5 is a schematic side perspective view of the movable table of the present invention in embodiment 1 when the movable table is tilted;
fig. 6 is a schematic perspective view of the lifting assembly according to embodiment 1 of the present invention;
fig. 7 is a schematic perspective view of the lifting assembly on the table frame in embodiment 1 of the present invention;
fig. 8 is a schematic perspective view of the connection between the support arm and the slide according to embodiment 1 of the present invention;
fig. 9 is a schematic side perspective view of the table of the present invention according to embodiment 2 when the table is tilted.
The figures are numbered: a table frame 1; a movable table plate 2; a lifting assembly 3; a longitudinal beam 4; a transverse plate 4 b; a vertical plate 4 a; a support arm 5; a support plate 5 a; a connecting plate 5 b; a first hinge point a; a drive lever 6; a second hinge point b; a third hinge point c; a slide mechanism 10; a slide carriage 7; side plates 7 a; a guide pin 8; a guide groove 9; fixing the table plate 11; positioning a point d; a chute 12; a slider 13.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present embodiment relates to the reference orientation of each part, such as front and rear, etc., which is described in a state where the user normally uses the seat after sitting on the seat.
The specific implementation manner of the utility model is as follows:
example 1: as shown in fig. 1-8, the present invention provides a table top angle adjusting device and a table, especially a learning table, comprising a table frame 1 and a movable table plate 2 located at the upper end of the table frame 1; the table frame 1 is also provided with a fixed table plate 11, the front end of the movable table plate 2 is hinged with the fixed table plate 11 through a hinge, and the hinged point is a positioning point d; the rear end of the movable table board 2 can rotate around the front end to be lifted so that the movable table board 2 is in an inclined state and a human body is in a comfortable posture when in use; and be equipped with lifting unit 3 in order to adjust the inclination of activity table 2 in table frame 1, convenience of customers controls by oneself, makes activity table 2 stop at the inclination of wanting, uses more humanized.
As shown in fig. 3-8, specifically: a longitudinal beam 4 arranged along the front-back direction of the table frame 1 is arranged in the table frame 1, and the front end and the back end of the longitudinal beam 4 are respectively fixedly connected with the table frame 1; the front end of the longitudinal beam 4 is positioned close to the front end of the movable table plate 2; the longitudinal beam 4 plays a role of supporting the lifting assembly 3. The lifting assembly 3 comprises a supporting arm 4 and a driving rod 6 acting on the supporting arm 5, wherein the driving rod 6 is a telescopic air rod, and the air rod can be freely stretched under the control of a user; specific attachment positions are as follows: the supporting arm 5 comprises two supporting plates 5a arranged at left and right intervals, and the two supporting plates 5a are fixed through a connecting plate 5 b. The lower end of the supporting arm 5 and the longitudinal beam 4 are hinged to a first hinge point a, and the first hinge point a is positioned behind the positioning point d; the longitudinal beam 4 comprises a transverse plate 4b and vertical plates 4a extending upwards along two sides of the transverse plate 4b, that is, the lower ends of the two support plates 5a are respectively hinged on the two vertical plates 4 a. The upper end of support arm 5 then connect on the lower surface of activity table 2, and be sliding fit with activity table 2, specifically indicate: a sliding mechanism 10 is arranged between the movable table board 2 and the end part of the supporting arm 5, and the sliding mechanism 10 comprises a sliding seat 7 arranged on the movable table board 2 and a guide pin 8 which is positioned on the supporting arm 5 and is in sliding fit with the sliding seat 7; the sliding seat 7 is fixedly connected to the lower surface of the rear part of the movable table plate 2 through screws, the sliding seat 7 is provided with two symmetrical side plates 7a, and guide grooves 9 are respectively arranged on the two side plates 7a along the length direction of the movable table plate 2; the guide pin 8 is arranged on the side surface of the support plate 5a, and the guide pin 8 is clamped in the guide groove 9 and can slide back and forth along the length direction of the guide groove 9. Then when the support arm 5 rotates around the first hinge point a, the guide pin 8 slides along the guide slot 9 to simultaneously drive the rear end of the movable table 2 to rise or fall, and then the inclination angle of the movable table 2 can be controlled.
Specifically, the following are mentioned: in the utility model, the longitudinal beam 4 is not specially arranged, but is a reinforcing beam which is arranged on the table frame 1 and is used for reinforcing the overall structural strength of the table frame 1; the lifting component 3 is skillfully arranged on the longitudinal beam 4 by utilizing the point; the processing cost can be effectively saved, the structure does not need to be specially added, and the design is ingenious.
As shown in fig. 3-6, the rear end of the driving rod 6 is hinged to the longitudinal beam 4 at a second hinge point b, and the second hinge point b is located behind the first hinge point a; first pin joint a is located between locating point and the second pin joint b promptly, and the position of first pin joint a is close to locating point a relatively more for when support arm 5 rotates, can drive activity table 2 and overturn to enough big angle in less turned angle scope. In addition, the front end of the driving rod 6 is hinged on the two support plates 5a of the support arm 5, the hinge point is a third hinge point c, and the position of the third hinge point c is relatively close to the first hinge point a, namely, the third hinge point c is positioned at the lower part of the support arm 5; the design enables the driving rod 6 to act on a position closer to the lower part of the supporting arm 5 when being stretched; the driving rod 6 can drive the supporting arm 5 to rotate for a sufficient angle around the first hinge point a in a small telescopic stroke, so that the movable table board 1 can be adjusted to a large enough inclination angle; then, the stroke requirement on the driving rod 6 can be greatly reduced in the device, the driving rod 6 can adopt an air rod with a short stroke, so that the requirement of adjusting the movable table plate 2 to be turned over to a large enough angle can be met in the table frame 1 with a compact space, and the application range is wider. In the utility model, when the movable table 2 reaches the maximum inclination angle, the included angle between the movable table and the horizontal plane is 70 degrees.
As shown in fig. 1 to 6, the movable table 2 is located on the upper surface of the table frame 2; in an initial state, as shown in fig. 1 and 4, the movable table 2 and the table frame 1 are closed, the movable table 2 is in a horizontal state, and the supporting arm 5 is also in a horizontal transverse state at this time; the driving rod 6 can be just positioned in the space between the two support plates 5a, the design is ingenious, the internal space of the table frame 1 can be effectively saved, and the whole body is more attractive; as shown in fig. 5 and 6, when the angle of the movable table 2 needs to be adjusted to incline, the driving rod 6 is controlled to extend, the driving rod 6 acts on the supporting arm 5 to enable the supporting arm 5 to rotate forward around the first hinge point a, and the guide pin 8 at the upper end of the supporting plate 5a slides along the guide groove 9, so as to drive the rear end of the movable table 2 to rise, and enable the movable table 2 to be in an inclined state; the driving rod 6 is extended continuously, so that the included angle between the movable table plate 2 and the horizontal plane is further increased; when the inclination angle of the movable table board 2 needs to be adjusted to be smaller, only the driving rod 6 needs to be controlled to be shortened, and the supporting arm 5 is reversely reset to drive the rear end of the movable table board 2 to descend. In the process of adjusting the inclination angle of the movable table plate 2, only the driving rod 6 needs to be controlled, and the control rod 6 is a wire-controlled telescopic air rod, so that the operation is very convenient.
Then, compared with the traditional adjusting device, the desktop angle adjusting device provided by the utility model drives the supporting arm 4 to move through the driving rod 6 so as to adjust the angle of the movable desk plate 2, so that the driving rod 6 can adjust the movable desk plate 2 to be opened to a large enough angle in a smaller telescopic stroke; compared with the traditional mode that the air rod directly acts on the movable table plate 2; undoubtedly, the requirement on the air rod is reduced, and the cost is saved. The second hinge point b is positioned at the rear part of the movable table plate 2, so that when the movable table plate 2 is used in an inclined state, the force of the human body pressing down the movable table plate 2 and the force of the driving rod 6 supporting the movable table plate just form a force balance, the stress strength of the movable table plate 2 is better, and the integral structure is more stable; in conclusion, the adjusting device has the advantages of low cost, large angle adjusting range of the movable table plate, overall stability, high strength and the like.
Example 2: as shown in fig. 9, the present embodiment is different from embodiment 1 in that: the lower end of the supporting arm 5 is in sliding fit with the longitudinal beam 4, a sliding groove 12 is formed in the longitudinal beam 4 along the length direction of the longitudinal beam, and a sliding block 13 is correspondingly arranged at the lower end of the supporting arm 5; the sliding block 13 is positioned in the sliding groove 12 and is in sliding fit with the sliding groove; the upper end of the supporting arm 5 is hinged on the movable table board 2. The connection of the driving rod 6 is unchanged, and then the inclination angle of the movable table plate 2 is adjusted by driving the lower end of the supporting arm 5 to slide back and forth along the longitudinal beam 4 through the extension and contraction of the driving rod 6; specifically, the method comprises the following steps: when the driving rod 6 is contracted, the lower end of the supporting arm 5 is driven to slide backwards along the longitudinal beam 4, the included angle between the supporting arm 5 and the horizontal plane is increased, then the rear end of the movable table board 2 is driven to ascend, and the inclination angle of the movable table board 2 is increased; on the contrary, when actuating lever 6 extends, the lower extreme of drive support arm 5 slides along longeron 4 forward, support arm 5 and horizontally contained angle reduce, drive then the rear end of activity table 2 descends, and the inclination of activity table 2 reduces. The support arm 5 is driven to slide back and forth along the longitudinal beam 4 through the extension of the drive rod 6 so as to adjust the inclination angle of the movable table plate 2; smooth adjustment and simple and ingenious structure.
Claims (10)
1. The utility model provides a desktop angle adjusting device which characterized in that: the table comprises a table frame and a movable table plate positioned at the upper end of the table frame, wherein the rear end of the movable table plate can turn around the front end of the movable table plate relative to the table frame; a supporting part which is relatively fixed with the table frame is arranged in the table frame, and the supporting part is positioned below the movable table plate; a lifting assembly for adjusting the inclination angle of the movable table plate is arranged between the supporting part and the movable table plate, and the lifting assembly comprises a supporting arm and a driving rod acting on the supporting arm; one end of the supporting arm is hinged with the supporting part at a first hinge point, and the first hinge point is arranged behind the front end of the movable table board; the other end of the supporting arm is connected to the movable table plate and is in sliding fit with the movable table plate; one end of the driving rod is hinged with the supporting part at a second hinge point, and the second hinge point is arranged behind the first hinge point; the other end of the driving rod is hinged on the supporting arm; the driving rod can be adjusted in a telescopic mode, the driving rod extends to drive the supporting arm to rotate forwards around the first hinge point, and the rear end of the movable table plate rises upwards; the driving rod is contracted to drive the supporting arm to rotate backwards around the first hinge point, and the rear end of the movable table plate descends.
2. The table top angle adjustment apparatus of claim 1, wherein: the supporting part is a longitudinal beam arranged in the table frame along the front-back direction, the front end and the back end of the longitudinal beam are respectively fixed with the table frame, and the front end of the longitudinal beam is positioned close to the front end of the movable table plate; the first hinge point is located at the front part of the longitudinal beam, and the second hinge point is located at the rear part of the longitudinal beam.
3. The table top angle adjustment apparatus of claim 1, wherein: the table frame is characterized in that a fixed table plate is arranged at the upper end of the table frame, the front end of the movable table plate is hinged with the fixed table plate, and the hinged point is a positioning point.
4. The table top angle adjustment device of claim 3, wherein: the first hinge point is located between the positioning point and the second hinge point, and the position of the first hinge point is close to the positioning point.
5. The table top angle adjustment apparatus of claim 1, wherein: the front end of the driving rod and the supporting arm are hinged to a third hinged point, and the position of the third hinged point is close to the first hinged point.
6. The table top angle adjustment apparatus of claim 1, wherein: the movable table plate is characterized in that a sliding mechanism is arranged between the movable table plate and the supporting arm, the sliding mechanism comprises a sliding seat and a guide pin, the sliding seat is in sliding fit with the supporting arm, the sliding seat is arranged on one of the movable table plate or the supporting arm, and the guide pin is arranged on the other of the movable table plate or the supporting arm.
7. The table top angle adjustment device of claim 6, wherein: the sliding seat is arranged on the lower surface of the movable table plate, and guide grooves arranged along the length direction of the movable table plate are formed in the two side walls of the sliding seat; the guide pin is correspondingly arranged on the side face of the upper end of the supporting arm, and the guide pin is limited in the guide groove and slides back and forth along the length direction of the guide groove.
8. The table top angle adjustment apparatus of claim 1, wherein: the driving rod is a telescopic air rod.
9. The utility model provides a desktop angle adjusting device which characterized in that: the table comprises a table frame and a movable table plate positioned at the upper end of the table frame, wherein the movable table plate can turn over relative to the table frame; a supporting part which is relatively fixed with the table frame is arranged in the table frame, and the supporting part is arranged along the front-back direction and is positioned below the movable table plate; a lifting assembly for adjusting the inclination angle of the movable table plate is arranged between the supporting part and the movable table plate, and the lifting assembly comprises a supporting arm and a driving rod acting on the supporting arm; the upper end of the supporting arm is hinged to the movable table plate, and the lower end of the supporting arm can slide back and forth along the length direction of the supporting part; the driving rod is positioned behind the supporting arm, the front end of the driving rod is hinged to the supporting arm, and the rear end of the driving rod is hinged to the supporting part; the driving rod can be adjusted in a telescopic mode, the driving rod contracts to enable the lower end of the supporting arm to slide backwards along the supporting portion, and the rear end of the movable table plate rises; the driving rod extends to enable the lower end of the supporting arm to slide forwards along the supporting part, and the rear end of the movable table plate descends.
10. A table, which is characterized in that: the table is provided with a table top angle adjusting device as claimed in any one of claims 1 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784798.0U CN213281959U (en) | 2020-08-24 | 2020-08-24 | Desktop angle adjusting device and table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784798.0U CN213281959U (en) | 2020-08-24 | 2020-08-24 | Desktop angle adjusting device and table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213281959U true CN213281959U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021784798.0U Active CN213281959U (en) | 2020-08-24 | 2020-08-24 | Desktop angle adjusting device and table |
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| Country | Link |
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| CN (1) | CN213281959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114052398A (en) * | 2021-09-22 | 2022-02-18 | 杭州荣韵冲压件有限公司 | Adjustable desk and chair with limiting structure |
-
2020
- 2020-08-24 CN CN202021784798.0U patent/CN213281959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114052398A (en) * | 2021-09-22 | 2022-02-18 | 杭州荣韵冲压件有限公司 | Adjustable desk and chair with limiting structure |
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