CN111248629B

CN111248629B - Adjustable desk

Info

Publication number: CN111248629B
Application number: CN202010154257.8A
Authority: CN
Inventors: 许惠阳; 吴庚申
Original assignee: Fujian Hui'an Zhenhui Furniture Co ltd
Current assignee: Fujian Hui'an Zhenhui Furniture Co ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2021-11-16
Anticipated expiration: 2040-03-07
Also published as: CN111248629A

Abstract

The invention relates to an adjustable office table which comprises table legs and a table plate arranged on the table legs, wherein an avoiding groove is formed in one side of the table plate in a penetrating mode, a working plate is arranged in the avoiding groove, the working plate is fixed with a rotating shaft in a transverse mode, two ends of the rotating shaft are rotatably connected with the table plate, and when the working plate is turned to a horizontal position, the upper surface of the working plate is flush with the upper surface of the table plate; one side of the working plate is provided with a stop strip along the length direction of the working plate; the utility model discloses a table, including pivot, round piece, table, slide bar, limiting rod, table, limiting rod and table.

Description

Adjustable desk

Technical Field

The invention relates to the technical field of office tables, in particular to an adjustable office table.

Background

The office table is used in offices and is a table which is convenient to work in daily life and work and social activities; for example, chinese patent No. CN206933740U discloses a multifunctional desk.

The existing desktop is a horizontal plane, accords with the habit of people when sitting at the front for working, but when people sit at the front for a long time, the posture is often required to be adjusted to activate muscles and bones, the body is often adopted to lean against the chair back to enable the neck to be supported and relaxed, but after the posture is changed, because the keyboard is in a horizontal state, people are difficult to operate the keyboard to work conveniently like when sitting at the front, and the comfort is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an adjustable office table, which can meet the office demands of people in different postures by arranging a working plate capable of being turned at different angles, so that the office comfort of people is improved.

The above object of the present invention is achieved by the following technical solutions:

an adjustable office table comprises table legs and a table plate arranged on the table legs, wherein an avoiding groove is formed in one side of the table plate in a penetrating mode, a working plate is arranged in the avoiding groove, the working plate is fixed with a rotating shaft in a transverse mode, two ends of the rotating shaft are rotatably connected with the table plate, and when the working plate is overturned to be in a horizontal position, the upper surface of the working plate is flush with the upper surface of the table plate; one side of the working plate is provided with a stop strip along the length direction of the working plate; the utility model discloses a table, including table, pivot, slide bar, table.

By adopting the technical scheme, the working plate is an office area, namely the mouse and the keyboard are placed on the working plate, and in a normal working state, the working plate and the desk plate are positioned on the same horizontal plane, so that the flatness of the office desktop is ensured, and the desk is suitable for people to sit and work; when people sit for too long and work and want to lean backwards to adjust the posture for relaxation, the sliding rod is controlled to slide reversely to be away from the round block, so that the limiting rod on the sliding rod is separated from the insertion of the limiting groove, then the rotating shaft is connected with the table plate in a rotating manner, the working plate is turned to a proper inclination angle, and then the sliding rod is controlled to slide forwardly so that the limiting rod on the sliding rod is inserted into the limiting groove at the corresponding position, so as to limit the turning angle of the working plate; the working plate capable of overturning at different angles is arranged, and the limiting rod is inserted into the limiting grooves at different positions, so that different overturning angles of the working plate can be changed, the actual requirements of people are met, the mouse key can be operated conveniently when people lean backwards to relax, and the office comfort level is improved; the blocking strip has the blocking effect, and the mouse key can be prevented from sliding off the working plate in the inclined state.

The present invention in a preferred example may be further configured to: and a strip-shaped pedal is arranged below one side of the desk plate, which is far away from the avoidance groove.

By adopting the technical scheme, when people lean backwards and relax, the legs stretch forwards and are stretched out so as to better activate the muscles and bones, but if the feet cannot be supported by the feet, the legs are supported by the front edge of the seat, namely, the muscles at the bottoms of the thighs are pressed upwards by the front edge of the seat, so that the muscles are compressed, the blood circulation is not facilitated, and the leg and foot numbness is caused; therefore, the pedal is additionally arranged, so that the feet can be placed on the pedal when people lean backwards, and the feet are supported, so that the blood circulation is ensured, and the comfort level of people when leaning backwards and relaxing is improved.

The present invention in a preferred example may be further configured to: a transmission shaft parallel to the rotating shaft is connected in the table plate in a rotating mode, and a first connecting rod is fixedly connected between the transmission shaft and the pedal; the two side sleeves of the transmission shaft are fixedly provided with rotary tables, each rotary table is provided with a second connecting rod, one end of each second connecting rod is eccentrically hinged to the rotary table, the hinge point of each second connecting rod and the corresponding rotary table is higher than the circle center of the rotary table, and the other end of each second connecting rod is hinged to one end, far away from the limiting rod, of the corresponding sliding rod.

By adopting the technical scheme, when people lean backwards and relax, the legs stretch forwards and stretch out, the feet are placed on the pedals, then the feet control the pedals to reversely rotate towards the direction of the working plate by taking the axis of the transmission shaft as the center of a circle, so as to drive the transmission shaft to reversely rotate, and the hinged point of the connecting rod II and the rotary table is higher than the center of a circle of the rotary table, so that the rotary table rotates to drive the connecting rod II to move in the direction away from the round block, so as to drive the sliding rod to reversely slide, so that the limiting rod on the sliding rod is separated from the insertion of the limiting groove, then the connecting rod II is rotatably connected with the table plate through the rotating shaft, the working plate is turned over to a proper inclination angle, then the feet control the pedals to normally rotate, namely, the sliding rod is forwardly slid through the structure, the limiting rod is re-inserted into the limiting groove at the corresponding position, so as to complete the fixation of the turning angle of the working plate; through the structure of the first connecting rod, the transmission shaft and the second connecting rod, a linkage relation is generated between the pedal and the sliding rod, namely, the insertion and the separation between the limiting rod and the limiting groove can be controlled through the movement of the operating pedal, so that people can conveniently carry out the turnover limiting operation of the working plate; and the footboard forward rotates the back, and the footboard highly increases and the footboard keeps away from the working plate removal promptly, and people are in the state of bowing back and relaxing and the preceding extension state of shank this moment, and under this state, forward pivoted footboard can better bear the foot of stretching forward to improve the travelling comfort when people bow back and relax further.

The present invention in a preferred example may be further configured to: the utility model discloses a slide bar, including the round piece, the slide bar is located the slide bar, the spacing pole is kept away from the one end of round piece is seted up along spacing pole length direction and is supplied slide bar one end male spout, just the slide bar is located the end fixing of spout has the diameter to be greater than the anti-disengaging block of slide bar, the anti-disengaging block with the spout slides and is connected.

By adopting the technical scheme, the slip-preventing block is connected with the sliding chute in a sliding manner, so that the effect that the sliding rod moves relatively at a small distance from the limiting rod when the limiting rod is driven by the sliding rod to move can be realized; people lie in the forward pivoted footboard of lying backwards and relaxing, if people need adjust during the shank posture during shank amplitude reciprocating swing that is little around knee joint promptly (can imagine that the foot is swinging the swing, people's subconscious custom helps promoting blood circulation, it is tight to slow down the thinking of handling official business too of a specified duration), through the slip connection of the piece of stopping taking off and spout, can carry out the relative displacement of small distance between slide bar and the gag lever post, can satisfy people's subconscious custom demand, can not lead to the gag lever post to break away from the condition of spacing groove because this swing formula motion of foot again simultaneously, thereby the steadiness of foot little action and slope work board is taken into account.

The present invention in a preferred example may be further configured to: a slide way is arranged in the table plate and comprises a main sliding section for the sliding connection of the sliding rod and an auxiliary sliding section for the sliding connection of the limiting rod, and the diameter of the auxiliary sliding section is larger than that of the main sliding section; and a first spring for forcing the limiting rod to be inserted into the limiting groove is arranged in the auxiliary sliding section.

Adopt above-mentioned technical scheme, when the foot swings swing formula motion, because the relative movement friction that exists between end piece and the spout, this frictional force probably leads to the gag lever post to receive the circumstances that end piece drove and break away from the spacing groove, and spring one has the effect that forces the gag lever post to forward slide towards the circle piece direction, and the elasticity of spring one can effectively reduce the emergence of this kind of circumstances to ensure the steadiness of slope work board.

The present invention in a preferred example may be further configured to: the end face, far away from the first spring, of the limiting rod is provided with a guide face abutting against the edge of the notch of the limiting groove along the rotation direction of the round block.

By adopting the technical scheme, when people need to adjust the angle of the working plate, the pedal is used for controlling the limiting rod to reversely slide to a certain distance, the anti-slip block is positioned at one side of the sliding groove far away from the round block due to driving the limiting rod to reversely slide, the limiting rod is not completely separated from the limiting groove at the moment, the guide surface of the anti-slip block is intersected with the peripheral circle of the round block, then the working plate is turned over, the round block rotates, the limiting groove moves along with the round block, the edge of the notch of the limiting groove is abutted against the guide surface, the abutting force forces the limiting rod to reversely slide for a small distance again, and the end part of the limiting rod is continuously abutted against the peripheral surface of the round block due to the elastic force of the first spring, namely, when each limiting groove passes through the limiting rod, the round block is subjected to the spring force from the first spring once, the force forms the damping force when the round block rotates, so that the working plate has the rotary damping effect in the process of turning over and adjusting the angle, thereby reducing the phenomenon that the mouse key on the working plate is displaced because the working plate rotates too fast.

The present invention in a preferred example may be further configured to: the global protrusion of slide bar is equipped with and is located the arch in the vice section of sliding, works as the slide bar slides along keeping away from the cake direction in order to drive the spigot surface displacement of gag lever post to with when the crossing position of cake periphery circle, the arch contradict in vice section of sliding with on the step face between the main section of sliding.

By adopting the technical scheme, the bulge plays a role in limiting the sliding range of the sliding rod, namely, when the sliding rod is ensured to reversely slide to the farthest distance, the guide surface of the limiting rod on the bulge can be abutted against the edge of the notch of the limiting groove, so that the damping effect of inclined turnover of the working plate is ensured.

The present invention in a preferred example may be further configured to: the protruding setting is as winding the loop configuration of slide bar periphery, just the one end of spring one contradict in the gag lever post is kept away from the tip of circle piece, the other end of spring one contradict in protruding orientation the terminal surface of gag lever post.

Adopt above-mentioned technical scheme, the both ends of spring one are contradicted respectively on gag lever post and the arch, both force the gag lever post to tightly insert the spacing inslot (ensure grafting stability), force the slide bar again to carry out reverse slip (have promptly and force the footboard to rotate the trend that resets to initial position), it relaxs to lean back when people, the foot is located forward pivoted footboard, promptly people foot makes when swinging the swing motion, the footboard has certain trend of resetting at the swing in-process, this trend of resetting makes the footboard have certain damping at forward rotation in-process, this damping can improve the security when the foot swings, simultaneously the footboard is after losing the control of foot, can reset to initial condition (being in the vertical state as far as possible through the elasticity of spring one, connecting rod one is in as far as possible vertical state).

The present invention in a preferred example may be further configured to: the holding tank has been seted up to upper surface one side of working plate, it can slide in the retraction holding tank or slide and stretch out outside the holding tank to block the strip retraction when in the holding tank, block the upper surface of strip with the upper surface parallel and level of working plate.

By adopting the technical scheme, the blocking strip can be hidden in the holding tank or extend into the holding tank, so that the blocking strip can block the office operation of people when the working plate is at the horizontal position.

The present invention in a preferred example may be further configured to: the cross section of the accommodating groove is arc-shaped, the curvature center of the sliding path of the barrier strip is positioned on the axis of the rotating shaft, and a second spring forcing the barrier strip to slide and extend out of the accommodating groove is arranged in the accommodating groove; the both ends of stopping strip upper surface are sunken to be formed with a groove, the both sides cell wall of dodging the groove level respectively and convexly has the briquetting that is located one side recess top, just the thickness of briquetting equals the degree of depth of recess.

By adopting the technical scheme, when the working plate is in an inclined state, the blocking strip elastically extends out of the accommodating groove under the elastic force of the second spring, so that the blocking effect on the mouse key is achieved; when the working plate is turned to the horizontal position, the blocking strips are pressed into the accommodating grooves by the pressing blocks in the turning process along with the blocking strips, so that the flatness of the office table top is ensured.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the working plate capable of overturning at different angles is arranged, and the limiting rod is inserted into the limiting grooves at different positions, so that different overturning angles of the working plate can be changed, the actual requirements of people are met, the mouse key can be operated conveniently when people lean backwards to relax, and the office comfort level is improved;

2. through the structure of the first connecting rod, the transmission shaft and the second connecting rod, a linkage relation is generated between the pedal and the sliding rod, namely, the insertion and the separation between the limiting rod and the limiting groove can be controlled through the movement of the operating pedal, so that people can conveniently carry out the turnover limiting operation of the working plate; after the pedal rotates forwards, namely the height of the pedal is increased and the pedal moves away from the working plate, at the moment, people are in a backward bending relaxing state and the legs stretch forwards and stretch, and under the state, the forward rotating pedal can better bear the feet stretching forwards, so that the comfort of the people during backward bending relaxing is further improved;

3. the blocking strip which can be retracted into the avoiding groove or elastically extended out of the avoiding groove can be arranged, so that the blocking effect when the working plate is in an inclined state and the smoothness of the office table top when the working plate is in a horizontal state can be considered.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is a cross-sectional view of the working plate of example 1;

FIG. 3 is a partial sectional view of the entire structure of embodiment 1;

FIG. 4 is a two-dimensional cross-sectional view for embodying the transmission manner of the link mechanism of embodiment 1;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view showing a connection relationship between a stopper rod and a stopper groove when the pedal of embodiment 1 is rotated in the reverse direction to the extreme position;

fig. 7 is a schematic view showing a connection relationship between the stopper rod and the stopper groove in a vertical state of the connecting rod according to embodiment 2.

In the figure, 1, a table plate; 2. a working plate; 3. a pedal; 4. a slide bar; 5. a linkage mechanism; 11. desk legs; 12. an avoidance groove; 13. a rotating shaft; 14. a round block; 141. a limiting groove; 15. a slideway; 151. a main slip section; 152. a secondary slip section; 21. accommodating grooves; 22. a barrier strip; 23. a second spring; 24. a groove; 25. briquetting; 31. anti-slip strips; 41. a limiting rod; 42. a chute; 43. a slip-preventing block; 44. a first spring; 45. a guide surface; 46. a protrusion; 51. a drive shaft; 52. a turntable; 53. a second connecting rod; 54. and a first connecting rod.

Detailed Description

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

Example 1: as shown in fig. 1, the adjustable office table disclosed by the invention comprises table legs 11 and a table plate 1 arranged on the table legs 11, wherein an avoiding groove 12 is formed in one side of the table plate 1 in a penetrating manner, a working plate 2 is arranged in the avoiding groove 12, and the working plate 2 is an office area, namely, a mouse and a keyboard are placed on the working plate.

As shown in fig. 2, a rotating shaft 13 is fixed on the working plate 2 in a transverse mode, two ends of the rotating shaft 13 are rotatably connected with the table plate 1, when the working plate 2 is turned to a horizontal position, the upper surface of the working plate 2 is flush with the upper surface of the table plate 1, and the mouse key on the working plate 2 can be operated when people lean back to relax conveniently by turning over the working plate 2, so that the office comfort level is ensured;

meanwhile, a strip-shaped pedal 3 is arranged below one side, away from the avoidance groove 12, of the table board 1, a plurality of strip-shaped anti-slip strips 31 are arranged on the upper surface of the pedal 3 along the length direction of the pedal 3, so that when people lean backward to relax and the legs stretch forward to stretch and extend, the feet can be placed on the anti-slip strips, the feet are supported, blood circulation is ensured, and the comfort level of people when leaning backward to relax is improved.

As shown in fig. 2, an accommodating groove 21 is formed in one side of the upper surface of the working plate 2, a blocking strip 22 which can be slidably retracted into the accommodating groove 21 or slidably extended out of the accommodating groove 21 is arranged in the accommodating groove 21, the cross section of the accommodating groove 21 is arc-shaped, the curvature center of the sliding path of the blocking strip 22 is located on the axis of the rotating shaft 13, and a second spring 23 which forces the blocking strip 22 to slidably extend out of the accommodating groove 21 is arranged in the accommodating groove 21;

as shown in fig. 1, two ends of the upper surface of the barrier rib 22 are concavely formed with grooves 24, the upper parts of the two side groove walls of the avoiding groove 12 are respectively and horizontally protruded with pressing blocks 25, the pressing blocks 25 are positioned above the grooves 24, and the thickness of the pressing blocks 25 is equal to the depth of the grooves 24.

When the working plate 2 is in an inclined state, the blocking strip 22 elastically extends out of the accommodating groove 21 under the elastic force of the second spring 23, so that the blocking effect on the mouse key is achieved, and the mouse key is prevented from falling from the working plate 2 due to gravity; when the working plate 2 is turned to the horizontal position, the blocking strip 22 is pressed into the accommodating groove 21 downwards along with the pressing of the pressing block 25 in the turning process of the working plate 2, so that the flatness of the office table top is ensured.

As shown in fig. 3 and 4, the round blocks 14 are fixedly sleeved at two ends of the rotating shaft 13, the peripheral surface of each round block 14 is provided with a plurality of limiting grooves 141 evenly distributed along the circumferential direction of the round block 14, a slide way 15 is arranged in the table plate 1 along the radial direction of the round block 14, a slide rod 4 is connected in the slide way 15 in a sliding manner, one end of the slide rod 4 is provided with a limiting rod 41 capable of being inserted into the limiting groove 141, the slide way 15 comprises a main sliding section 151 for sliding connection of the slide rod 4 and an auxiliary sliding section 152 for sliding connection of the limiting rod 41, and the diameter of the auxiliary sliding section 152 is larger than that of the main sliding section 151; meanwhile, a linkage mechanism 5 between the sliding rod 4 and the pedal 3 is arranged in the table board 1, and the pedal 3 can be operated to control the sliding of the sliding rod 4, so that the insertion connection or the separation between the limiting rod 41 and different limiting grooves 141 on the round block 14 can be controlled.

As shown in fig. 3 and 4, the linkage mechanism 5 includes a transmission shaft 51 parallel to the rotation shaft 13, the transmission shaft 51 is rotatably connected to the table 1, a first connection rod 54 is fixedly connected between the transmission shaft 51 and the pedal 3, a rotary table 52 is fixedly sleeved on both sides of the transmission shaft 51, the rotary table 52 is provided with a second connection rod 53, one end of the second connection rod 53 is eccentrically hinged to the rotary table 52, a hinge point between the second connection rod 53 and the rotary table 52 is higher than a center of the rotary table 52, and the other end of the second connection rod 53 is hinged to one end of the slide rod 4 far away from the limiting rod 41.

When the foot is placed on the pedal 3, the pedal 3 can be driven to swing around the axis of the transmission shaft 51 as the center of a circle, the transmission shaft 51 rotates to drive the rotating disc 52 to rotate, and the forward direction and the reverse direction of the rotating disc 52 can drive the slide rod 4 to slide in the forward direction and the reverse direction through the second connecting rod 53.

In order to further improve the office comfort, as shown in fig. 4 and 5, a sliding groove 42 for inserting one end of the sliding rod 4 is formed in one end of the limiting rod 41, which is far away from the round block 14, along the length direction of the limiting rod 41, and a slip-off preventing block 43 with a diameter larger than that of the sliding rod 4 is fixed at the end part of the sliding groove 42 of the sliding rod 4, and the slip-off preventing block 43 is connected with the sliding groove 42 in a sliding manner; the first spring 44 is disposed in the auxiliary sliding section 152, one end of the first spring 44 abuts against a step surface between the auxiliary sliding section 152 and the main sliding section 151, the other end of the first spring 44 abuts against an end of the limiting rod 41 far away from the round block 14, and the first spring forces the limiting rod 41 to move toward the limiting groove 141.

People lie on the footboard 3 to lie back and relax, if people need adjust when the shank posture promptly during the reciprocal swing of little range of shank around knee joint (can imagine that the foot is swinging the swing, people's subconscious custom helps promoting blood circulation, it is tight to slow down the thinking of handling official business for a long time), through the slip connection of anti-disengaging block 43 and spout 42, can carry out the relative displacement of little distance between slide bar 4 and the gag lever post 41, can satisfy people's subconscious custom demand, simultaneously because the elasticity of spring 44, can avoid leading to the gag lever post 41 to break away from the condition of spacing groove 141 because the swing formula motion of foot, thereby compromise the steadiness of little action of foot and slope work board 2.

Meanwhile, the end surface of the limiting rod 41 far from the first spring 44 is provided with a guide surface 45 abutting against the edge of the notch of the limiting groove 141 along the rotation direction of the round block 14, the peripheral surface of the slide rod 4 is convexly provided with a bulge 46 positioned in the auxiliary sliding section 152, and when the slide rod 4 slides along the direction far from the round block 14 and drives the guide surface 45 of the limiting rod 41 to move to the position intersecting with the peripheral circle of the round block 14 (see fig. 6), the bulge 46 abuts against the step surface between the auxiliary sliding section 152 and the main sliding section 151.

The implementation principle is as follows: in a normal working state, the working plate 2 and the table plate 1 are positioned on the same horizontal plane, so that the flatness of the office table top is ensured, and the desk is suitable for people to sit and work; when people sit for too long time in office and want to lean backwards to adjust the posture and relax, the legs stretch forwards and stretch out, the feet are placed on the pedal 3, then the foot control pedal 3 reversely rotates towards the working plate 2 by taking the axis of the transmission shaft 51 as the center of a circle, so as to drive the transmission shaft 51 to reversely rotate, and because the hinged point of the connecting rod two 53 and the rotary table 52 is higher than the center of a circle of the rotary table 52, the rotary table 52 rotates to drive the connecting rod two 53 to move along the direction away from the round block 14, so as to drive the sliding rod 4 to reversely slide to the bulge 46 on the sliding rod 4 to be clamped on the step surface, at the moment, the limiting rod 41 on the sliding rod 4 is preliminarily separated from the inserting connection of the limiting groove 141 (namely, the sliding rod 4 drives the limiting rod 41 to reversely slide through the anti-disengaging block 43, at the moment, the guide surface 45 of the limiting rod 41 is intersected with the peripheral circle of the round block 14), then is connected with the rotation of the table plate 1 through the rotating shaft 13, the working plate 2 is overturned, the round block 14 rotates, the limiting groove 141 moves along with the limiting groove, the edge of the notch of the limiting groove 141 is abutted against the guide surface 45, the abutting force forces the limiting rod 41 to reversely slide for a short distance again, so that the limiting rod 41 is completely separated from the limiting groove 141, and the working plate 2 can freely rotate; after the working plate 2 is turned to a proper angle, the foot part controls the pedal 3 to rotate in the forward direction, the sliding rod 4 slides in the forward direction through the linkage mechanism 5, the limiting rod 41 is inserted into the limiting groove 141 in the corresponding position again, so that the fixing of the turning angle of the working plate 2 is completed, different turning angles of the working plate 2 can be changed through the insertion connection of the limiting rod 41 and the limiting grooves 141 in different positions, the actual requirements of people are met, the mouse key can be operated when people lean backwards to relax, and the office comfort level is improved;

and after the pedal 3 rotates forward, namely the height of the pedal 3 is increased and the pedal 3 moves forward far away from the working plate 2, at the moment, people are in a backward bending relaxing state and the legs stretch forward and stretch, and in the state, the forward rotating pedal 3 can better bear the feet stretching forward, so that the comfort of people in backward bending relaxing is further improved;

and in the process of overturning the working plate 2, the round block 14 rotates, the limiting groove 141 moves along with the round block, the edge of the notch of the limiting groove 141 is abutted against the guide surface 45, the abutting force forces the limiting rod 41 to reversely slide for a short distance again, and because the limiting rod 41 is subjected to the elastic force of the first spring 44, the end part of the limiting rod 41 is continuously abutted against the outer peripheral surface of the round block 14, namely when each limiting groove 141 passes through the limiting rod 41, the round block 14 is subjected to the spring force from the first spring 44 once, and the force forms a damping force when the round block 14 rotates, so that the working plate 2 has a rotation damping effect in the process of overturning an angle adjustment angle, and the phenomenon that the mouse key on the working plate 2 is displaced due to too fast overturning speed is reduced.

Example 2: as shown in fig. 7, the difference from embodiment 1 is that the protrusion 46 is configured as a ring structure around the outer periphery of the sliding rod 4, one end of the first spring 44 abuts against the end of the limiting rod 41 away from the round block 14, and the other end of the first spring 44 abuts against the end face of the protrusion 46 facing the limiting rod 41.

Two ends of the first spring respectively abut against the limiting rod and the protrusion, and the sliding rod is forced to reversely slide on the basis of the original effect of the first spring (the limiting rod is forced to be tightly inserted into the limiting groove and the damping force is provided when the round block rotates), so that the pedal has the tendency of rotating and resetting to the initial position; when people lie on the pedal rotating in the forward direction, namely the feet of people swing, the pedal has a certain resetting trend in the swinging process, the resetting trend enables the pedal to have certain damping in the forward rotating process, the damping can improve the safety of the feet when swinging, and meanwhile, the pedal can be rotated to be reset to an initial state (namely, the first connecting rod is in a vertical state as far as possible) through the elastic force of the first spring after losing the control of the feet.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an adjustable desk, includes table leg (11) and table (1) of locating on table leg (11), its characterized in that: an avoiding groove (12) penetrates through one side of the table plate (1), a working plate (2) is arranged in the avoiding groove (12), the working plate (2) is fixed with a rotating shaft (13) in a transverse mode, two ends of the rotating shaft (13) are rotatably connected with the table plate (1), and when the working plate (2) is turned to a horizontal position, the upper surface of the working plate (2) is flush with the upper surface of the table plate (1); one side of the working plate (2) is provided with a blocking strip (22) along the length direction of the working plate (2); round blocks (14) are fixedly sleeved at two ends of the rotating shaft (13), a plurality of limiting grooves (141) which are uniformly distributed along the circumferential direction of the round blocks (14) are formed in the peripheral surface of each round block (14), a sliding rod (4) arranged along the radial direction of each round block (14) is connected to the table plate (1) in a sliding mode, and a limiting rod (41) capable of being inserted into each limiting groove (141) is arranged at one end of each sliding rod (4); a strip-shaped pedal (3) is arranged below one side of the desk plate (1) far away from the avoidance groove (12); a transmission shaft (51) parallel to the rotating shaft (13) is rotatably connected to the table plate (1), and a first connecting rod (54) is fixedly connected between the transmission shaft (51) and the pedal (3); the utility model discloses a spacing rod (41) is fixed with in the both sides cover of transmission shaft (51), carousel (52) are equipped with connecting rod two (53), the one end of connecting rod two (53) with carousel (52) eccentric hinge, just the hinge point of connecting rod two (53) and carousel (52) is higher than the centre of a circle of carousel (52), the other end of connecting rod two (53) with slide bar (4) keep away from the one end of gag lever post (41) and articulate.

2. The adjustable desk of claim 1, wherein: the utility model discloses a slide bar, including slide bar (4), gag lever post (41), slide bar (4), slide bar (14), stopper (41) and limiting rod (41), the confession has been seted up along gag lever post (41) length direction to the one end of spacer (41) is kept away from the one end of round piece (14) slide bar (4) one end male spout (42), just slide bar (4) are located the end fixing of spout (42) and have the diameter to be greater than the anti-block (43) that takes off of slide bar (4), the anti-block (43) with spout (42) are slided and are connected.

3. The adjustable desk of claim 2, wherein: a slide way (15) is arranged in the table plate (1), the slide way (15) comprises a main slide section (151) for the slide rod (4) to be connected in a sliding manner and an auxiliary slide section (152) for the limiting rod (41) to be connected in a sliding manner, and the diameter of the auxiliary slide section (152) is larger than that of the main slide section (151); a first spring (44) forcing the limiting rod (41) to be inserted into the limiting groove (141) is arranged in the auxiliary sliding section (152).

4. The adjustable desk of claim 3, wherein: the end face, far away from the first spring (44), of the limiting rod (41) is provided with a guide face (45) abutting against the edge of the notch of the limiting groove (141) along the rotating direction of the round block (14).

5. The adjustable desk of claim 4, wherein: the global protrusion of slide bar (4) is equipped with and is located arch (46) in vice section (152) of sliding, work as slide bar (4) slide along keeping away from round piece (14) direction slide in order to drive guide surface (45) displacement of gag lever post (41) to with when the crossing position of round piece (14) periphery circle, arch (46) contradict in vice section (152) of sliding with on the step face between main section (151) of sliding.

6. The adjustable desk of claim 5, wherein: protruding (46) set up to wind the loop configuration of slide bar (4) periphery, just the one end of spring (44) contradict in gag lever post (41) is kept away from the tip of circle piece (14), the other end of spring (44) contradict in protruding (46) towards the terminal surface of gag lever post (41).

7. The adjustable desk of claim 1, wherein: holding tank (21) have been seted up to upper surface one side of working plate (2), it can slide in holding tank (21) or slide and stretch out outside holding tank (21) to block strip (22), works as block strip (22) retraction when in holding tank (21), block the upper surface of strip (22) with the upper surface parallel and level of working plate (2).

8. The adjustable desk of claim 7, wherein: the cross section of the accommodating groove (21) is arc-shaped, the curvature center of the sliding path of the stop strip (22) is positioned on the axis of the rotating shaft (13), and a second spring (23) forcing the stop strip (22) to slide and extend out of the accommodating groove (21) is arranged in the accommodating groove (21); the both ends of stopping strip (22) upper surface are sunken to be formed with recess (24), the both sides cell wall that dodges groove (12) level respectively protrusion has briquetting (25) that are located one side recess (24) top, just the thickness of briquetting (25) equals the degree of depth of recess (24).