CN210018306U - Put formula elevating platform and constant force structure thereof - Google Patents

Abstract

The utility model discloses a placing type lifting platform and a constant force structure thereof, relating to the field of furniture, the constant force structure comprises a constant force spring, an adjusting structure for adjusting the constant force spring and an adjusting knob, wherein the adjusting structure comprises a first adjusting block and a second adjusting block which are arranged at the two sides of the constant force spring, and an adjusting screw rod which penetrates through the two ends of the constant force spring, the placing type lifting platform comprises a table plate, a bracket, a foot rest and a base which are arranged below the table plate, the placing type lifting platform also comprises the constant force structure and a plurality of functional structures, by adopting the constant force spring, the constant force spring is matched with the lifting force of the lifting platform to provide constant force, and the adjusting structure and the adjusting knob are matched, thereby provide invariable elevating power to have regulatory function, convenient to use is smooth, and puts a plurality of functional structure of collocation on the formula elevating platform, increases service function, optimizes the effect of using, promotes the suitability.

Description

Put formula elevating platform and constant force structure thereof

Technical Field

The utility model relates to the field of furniture, especially, relate to a put formula elevating platform and constant force structure thereof.

Background

Research shows that a plurality of diseases can be caused by keeping sitting posture for a long time, people are limited by working environment when working, and have to sit for a long time, and the electric lifting type integrated lifting desk is expensive, so that a placement type lifting platform capable of being placed on the desk appears on the market, the lifting platform can be lifted manually, the price is high, people can work according to self needs, the computer position and the alternate sitting posture or standing posture. However, the existing placing type lifting table has a plurality of pain points, one of them is that the lifting system of the common lifting table mostly utilizes a spring to provide elastic force, the elastic force provided by the spring in the stretching process is variable force, the use process is not smooth, and the weight of a desktop placing object is not constant in the use process of a user, so that the problem of non-adaptability can occur when the weight on the desktop is changed frequently in the lifting process.

SUMMERY OF THE UTILITY MODEL

To prior art shortcoming, the utility model discloses a put formula elevating platform and constant force structure thereof can provide invariable elevating power to have regulatory function, convenient to use is smooth, and a plurality of functional structure of arranging on the put formula elevating platform optimize the effect of using, promote the practicality. The concrete technical characteristics are as follows:

the utility model provides a constant force structure of putting formula elevating platform, is equipped with the bracket below the table including the table, the bracket passes through the foot rest and connects the basement, is equipped with the regulation structure on the basement, is equipped with the constant force spring in the middle of the regulation structure to have:

the constant force spring provides elastic force to be matched with the lifting force of the lifting platform so as to generate constant force;

the adjusting structure comprises a first adjusting block, a second adjusting block and an adjusting screw rod, wherein the first adjusting block and the second adjusting block are arranged on two sides of the constant force spring, the adjusting screw rod penetrates through two ends of the constant force spring, penetrates through the first adjusting block and the constant force spring and is connected with the second adjusting block, and the adjusting screw rod is in threaded connection with the first adjusting block;

and the adjusting knob is arranged at one end of the adjusting screw rod, which is close to the first adjusting block.

A putting type lifting platform comprises a table plate, a bracket is arranged below the table plate, one or more X-shaped foot rests are arranged below the bracket, each X-shaped foot rest comprises a first supporting foot and a second supporting foot, a base is arranged below each foot rest, the upper end of each first supporting foot is rotatably connected with the bracket, the lower end of each first supporting foot is slidably connected with the base, the upper end of each second supporting foot is slidably connected with the bracket, the lower end of each second supporting foot is rotatably connected with the base, the base is provided with the constant force structure of the putting type lifting platform, a moving device is arranged below the bracket and comprises a sliding chute, the sliding chute is arranged on the bracket, a matched sliding rail seat is arranged in the sliding chute, the sliding rail seat is fixed in the sliding chute, a sliding rail is arranged in the sliding rail seat and is slidably connected with the sliding rail seat, a connecting plate is arranged on the sliding rail, one end of the bracket is connected with, the clamping plate is fixedly connected with the connecting plate;

the two corresponding sets of the moving devices are provided, a first spring connecting pipe is arranged between the two corresponding connecting plates, the position of the first spring connecting pipe is matched with the upper end of the second supporting leg, a second spring connecting pipe is arranged on the bracket, two ends of the second spring connecting pipe are connected with the upper end of the first supporting leg, and a lifting spring is arranged between the first spring connecting pipe and the second spring connecting pipe;

the constant force spring of constant force structure matches with lift spring, and first bracing piece lower extreme is connected to the second regulating block, and the second regulating block is connected to adjusting screw one end, and the first regulating block and basement are passed to the adjusting screw other end, and the one end that adjusting screw is close to first regulating block is equipped with adjust knob.

Further, be equipped with the structure of locking a position on the bracket, the structure of locking a position includes:

the clamping plate is provided with a plurality of concave positioning teeth;

the clamping switch is arranged on one side of the clamping plate and comprises a handle shaft, and one end or two ends of the handle shaft are provided with handles;

the buckle structure comprises one or more buckle seats, the buckle seats are arranged in the middle of a handle shaft, the handle shaft penetrates through the buckle seats, the handle shaft is rotatably connected with the buckle seats, a first buckle part is arranged in each buckle seat, the first buckle part is arranged on the handle shaft, the first buckle part and the handle shaft synchronously rotate, a second buckle part is fixed on the outer side of the first buckle part, an elbow is arranged at the top of the second buckle part, the position of the elbow is matched with a clamping plate, and the size of the elbow is matched with the space between the concave positioning teeth;

the reset structure provides restoring force for the buckle structure;

the clamping switch and the buckle structure are arranged on the bracket, the clamping plate is connected with the upper end of the second supporting leg, and the clamping plate and the upper end of the second supporting leg synchronously slide.

Further, the side of the bracket is provided with a handle shaft support, the handle shaft is arranged on the handle shaft support, one end, far away from the bracket, of the handle shaft support is provided with a first connecting surface, the first connecting surface extends towards the lower part of the desk plate, an included angle between the first connecting surface and the desk plate is 25-50 degrees, one end, far away from the handle shaft support, of the first connecting surface is provided with a keyboard plate frame, the keyboard plate frame and the desk plate are arranged in parallel, and the width of the keyboard plate frame is 15-25 centimeters.

Further, be equipped with buffer on the basement, be equipped with the bottom connecting block between first supporting foot, each first supporting foot lower extreme is connected to the bottom connecting block, is equipped with the buffer block on the connecting block of bottom, and buffer block position matching buffer, buffer one end are connected the basement inboard, and buffer includes first buffer spring and second buffer spring, second buffer spring length is half of first buffer spring, and second buffer spring and first buffer spring parallel placement, second buffer spring are the toper.

The utility model has the advantages that: through adopting the constant force spring, utilize the elevating power of constant force spring cooperation elevating platform self in order to provide the constant force, structure and adjust knob are adjusted in the cooperation to provide invariable elevating power, and have regulatory function, convenient to use is smooth, and a plurality of functional structure of collocation on the formula of putting elevating platform increase service function, the effect of optimizing to use promotes the suitability.

Drawings

Fig. 1 is a schematic structural view of the placement type lifting platform of the present invention;

FIG. 2 is a schematic structural view of the upper part of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of portion B of FIG. 2;

fig. 5 is a schematic structural view of the lower part of the placing type lifting platform of the present invention.

The labels in the figure are: table 11, bracket 12, foot rest 13, first supporting foot 14, second supporting foot 15, base 16, sliding slot 17, sliding rail seat 18, sliding rail 19, connecting plate 20, first spring connecting pipe 21, second spring connecting pipe 22, lifting spring 23, bottom connecting block 24, constant force structure 25, buffer structure 26, locking structure 27, constant force spring 28, adjusting structure 29, first adjusting block 30, second adjusting block 31, adjusting screw 32, adjusting knob 33, buffer device 34, buffer block 35, clamping plate 36, clamping switch 37, handle shaft 38, handle 39, clamping structure 40, clamping seat 41, first buckle 42, second buckle 43, elbow 44, reset structure 45, pressure pad 46, pressure pad screw 47, reset spring 48, first buffer spring 49, second buffer spring 50, handle shaft support 51, first connecting surface 52, keyboard plate frame 53, base slot 54, a lower slide rail 55, a stop block 56 and a bottom foot 57.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed description.

Referring to the attached drawings, the present embodiment is a placement type lifting platform, which can be placed on a workbench for placing a computer and the like for changing the height of a desktop, thereby realizing the alternate operation of standing and sitting during working, and comprises a table 11, the table 11 is Z-shaped, the upper layer of the table 11 can be placed with a display screen and objects, the lower layer of the table 11 can be placed with a keyboard (see fig. 1), a bracket 12 is installed below the table 11, a pair of (or only a single) X-shaped foot rests 13 are installed below the bracket 12, each X-shaped foot rest 13 comprises a first supporting foot 14 and a second supporting foot 15, the middle parts of the first supporting foot 14 and the second supporting foot 15 are hinged and connected with each other, a base 16 is installed below the foot rest 13, the upper end of the first supporting foot 14 is rotatably connected with the bracket 12, the lower end of the first supporting foot 14 is slidably connected with the base 16, the upper end of the second supporting foot 15 is slidably connected with the bracket 12, the lower end of the second supporting foot 15 is rotatably connected with the base 16.

Be equipped with the mobile device on bracket 12, the mobile device includes spout 17, spout 17 is established on bracket 12, install the slide rail seat 18 that matches in the spout 17, slide rail seat 18 is fixed in spout 17, be equipped with slide rail 19 in the slide rail seat 18, slide rail 19 and slide rail seat 18 sliding connection, install connecting plate 20 on the slide rail 19, first supporting legs 14 upper end is connected to the one end of bracket 12, second supporting legs 15 upper end is installed on connecting plate 20, thereby second supporting legs 15 and slide rail seat 18 can slide relatively.

The mobile device is preferably a pair, a first spring connecting pipe 21 is further arranged between the connecting plates 20, the position of the first spring connecting pipe 21 is matched with the upper end of the second supporting leg 15, specifically, the upper end of the second supporting leg 15 is installed on the connecting plates 20 at the two ends of the first spring connecting pipe 21 through nuts, a second spring connecting pipe 22 is installed on the bracket 12, the two ends of the second spring connecting pipe 22 are connected with the upper end of the first supporting leg 14, and a lifting spring 23 is arranged between the first spring connecting pipe 21 and the second spring connecting pipe 22 so as to provide lifting force in the lifting process.

Bottom connecting blocks 24 are arranged among the first supporting legs 14, and the bottom connecting blocks 24 are connected with the lower ends of the first supporting legs 14.

A constant force structure 25 is arranged on the base 16, and the constant force structure 25 is used for providing a constant force with adjustable size;

the base 16 is further provided with a buffer structure 26, and the buffer structure 26 is used for providing a buffer effect;

a locking structure 27 is arranged below the table plate 11 and used for locking the height of the lifting platform;

wherein, the constant force structure 25 includes:

the constant force spring 28 provides elastic force to cooperate with the lifting force of the lifting platform to generate constant force;

the adjusting structure 29 comprises a first adjusting block 30 and a second adjusting block 31 which are arranged at two sides of the constant force spring 28, and an adjusting screw 32 which penetrates through two ends of the constant force spring 28, wherein the adjusting screw 32 penetrates through the first adjusting block 30 and the constant force spring 28 and is installed on the second adjusting block 31, and the adjusting screw 32 is in threaded connection with the first adjusting block 30;

an adjusting knob 33, wherein the adjusting knob 33 is arranged at one end of the adjusting screw rod 32 close to the first adjusting block 30;

the constant force spring 28 of the constant force structure 25 is matched with the lifting spring 23, and specifically, the constant force spring 28 and the lifting spring 23 have the same elastic coefficient, therefore, when the lifting spring 23 is stretched to provide tension, the constant force spring 28 is compressed to provide pressure to offset the force of the lifting spring 23 in the lifting process, and a constant force is provided, the bottom connecting block 24 is provided with the second adjusting block 31, one end of the adjusting screw 32 is connected with the second adjusting block 31, the other end of the adjusting screw 32 passes through the first adjusting block 30 and the substrate 16, one end of the adjusting screw 32 close to the first adjusting block 30 is provided with the adjusting knob 33, the adjusting knob 33 is rotated to adjust the position of the first adjusting block 30, thus, the length of constant force spring 28 can be varied to ultimately provide different amounts of constant force, although it is possible to place adjustment structure 29 on lift spring 23, adjust the length of lift spring 23, provide constant force, or both use adjustment structure 29.

Wherein, buffer structure 26 includes:

a buffer device 34, wherein the buffer device 34 includes one or more of, but not limited to, a buffer spring and a buffer air bag, and the number of the buffer spring and the buffer air bag is one or more;

the position of the buffer block 35 is matched with that of the buffer device 34, and the buffer block 35 is connected with or separated from the buffer device 34;

one end of the buffer device 34 is fixed on the substrate 16, the buffer block 35 is arranged on the bottom connecting block 24, one end of the buffer device 34 is connected with the inner side of the substrate 16, the other end of the buffer device 34 is matched with the buffer block 35, and the buffer structure 26 and the constant force structure 25 are symmetrically arranged;

wherein, the locking structure 27 includes:

the positioning device comprises a clamping plate 36, wherein a plurality of concave positioning teeth are arranged on the clamping plate 36;

the clamping switch 37 is arranged on one side of the clamping plate 36, the clamping switch 37 comprises a handle shaft 38, and a handle 39 is arranged at the end part of the handle shaft 38;

the buckle structure 40, the buckle structure 40 includes one or more buckle seats 41, the buckle seat 41 is set up in the middle of the handle shaft 38, can run through the buckle seat 41 the handle shaft 38, the handle shaft 38 is connected with the buckle seat 41 rotatably, there is the first buckle 42 in the buckle seat 41, the first buckle 42 is installed on handle shaft 38, can be fitted on handle shaft 38 specifically, the first buckle 42 rotates with the handle shaft 38 synchronously, the outside of the first buckle 42 is fixed with the second buckle 43, there is bend 44 on the top of the second buckle 43, the position of the bend 44 matches the position clamping plate 36, the size of the bend 44 matches the interval of the concave positioning tooth;

the reset structure 45, the reset structure 45 provides restoring force for the buckle structure 40;

the position-locking switch 37, the locking structure 40 and the reset structure 45 of the position-locking structure 27 are mounted on the bracket 12, the position-locking plate 36 is fixedly connected with the connecting plate 20, and the position-locking plate 36 slides synchronously with the upper end of the second supporting foot 15.

In this embodiment, the position-locking switch 37, the buckle structure 40, and the reset structure 45 form an independent position-locking structure, two separate position-locking structures are disposed on the position-locking plate 36, and the two position-locking structures are disposed on one side of the position-locking plate 36;

one end (inward end) of the handle shaft 38 is connected to the snap structure 40, and the other end (outward end) of the handle shaft 38 away from the snap structure 40 is provided with a handle 39.

The reset structure 45 of this embodiment includes a pressure pad 46, two ends of the pressure pad 46 are provided with pressure pad screws 47, the pressure pad screws 47 pass through the pressure pad 46, a reset spring 48 is disposed between the head of the pressure pad screws 47 and the pressure pad 46, and the pressure pad 46 is disposed on a side of the second locking member 43 away from the locking plate 36.

The restoring structure 45 in another embodiment comprises a torsion spring, the torsion spring is disposed in the buckling seat 41, and two ends of the torsion spring are respectively connected to the outside of the pulling buckling seat and the first buckling member 42.

The handle 39 is pressed to drive the handle shaft 38 to rotate, so that the elbow 44 is separated from the clamping plate 36, the height of the lifting platform can be adjusted, and after hands are released, the lifting platform is reset under the action of the resetting structure 45, so that the elbow 44 is clamped on the clamping plate 36 again.

In order to improve the performance of the buffer device 34, the buffer device 34 includes a first buffer spring 49 and a second buffer spring 50, the length of the second buffer spring 50 is half of the length of the first buffer spring 49, the second buffer spring 50 is disposed in parallel with the first buffer spring 49, the second buffer spring 50 is tapered, and the second buffer spring 50 is disposed on one side of the first buffer spring 49 to provide a secondary buffer.

In another embodiment, the first buffer spring 49 and the second buffer spring 50 have the same length, the second buffer spring 50 and the first buffer spring 49 are disposed in parallel, and the first buffer spring 49 and the second buffer spring 50 are respectively connected to the buffer block 35 at the bottom end of the foot rest 13

In addition, in the present embodiment, a handle shaft support 51 is disposed on a side surface of the bracket 12, the handle shaft 38 is mounted on the handle shaft support 51, a first connection surface 52 is disposed at an end of the handle shaft support 51 away from the bracket 12, the first connection surface 52 extends below the table 11, an included angle between the first connection surface 52 and the table 11 is 30 degrees, a keyboard plate frame 53 is disposed at an end of the first connection surface 52 away from the handle shaft support 51, the keyboard plate frame 53 is parallel to the table 11, the width of the keyboard plate frame 53 is 20 cm, and a desktop is also disposed on the first connection surface 52 and the keyboard plate frame 53, so that the desktop includes an inclined plane (above the first connection surface 52), the inclined plane can be used for placing a mobile phone and the like, and is more convenient to use, and the handle 39 is disposed behind the inclined plane, and.

The base 16 of this embodiment is provided with a base groove 54, the base groove 54 is provided with a lower slide rail 55, two sides of the bottom connecting base are slidably connected with the lower slide rail 55, the base 16 is provided with a stopper 56, the height of the stopper 56 matches the width of the foot rest 13, two ends of the base 16 are provided with feet 57 to improve the stability, and the upper surface of the feet 57 should match the profile of the bracket 12, the first connecting surface 52 and the keyboard panel frame 53.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. A constant force structure (25) of a putting type lifting platform comprises a table plate (11), a bracket (12) is arranged below the table plate (11), the bracket (12) is connected with a base (16) through a foot rest (13), and the constant force structure is characterized in that an adjusting structure (29) is arranged on the base (16), and a constant force spring (28) is arranged in the middle of the adjusting structure (29);

the constant force spring (28) provides elastic force and cooperates with the lifting force of the lifting platform to generate constant force;

the adjusting structure (29) comprises a first adjusting block (30) and a second adjusting block (31) which are arranged on two sides of the constant force spring (28), and adjusting screws (32) which penetrate through two ends of the constant force spring (28), the adjusting screws (32) penetrate through the first adjusting block (30) and the constant force spring (28) and are connected with the second adjusting block (31), and the adjusting screws (32) are in threaded connection with the first adjusting block (30);

and the adjusting knob (33), wherein the adjusting knob (33) is arranged at one end of the adjusting screw rod (32) close to the first adjusting block (30).

2. A putting type lifting platform comprises a table plate (11), a bracket (12) is installed below the table plate (11), one or more X-shaped foot rests (13) are arranged below the bracket (12), each X-shaped foot rest (13) comprises a first supporting foot (14) and a second supporting foot (15), a substrate (16) is arranged below each foot rest (13), the upper end of each first supporting foot (14) is rotatably connected with the bracket (12), the lower end of each first supporting foot (14) is slidably connected with the substrate (16), the upper end of each second supporting foot (15) is slidably connected with the bracket (12), the lower end of each second supporting foot (15) is rotatably connected with the substrate (16), the putting type lifting platform is characterized in that the constant force structure (25) of the putting type lifting platform as claimed in claim 1 is installed on the substrate (16), a moving device is arranged below the bracket (12), the moving device comprises a sliding chute (17), and the sliding chute (17) is arranged on the bracket (12), a matched slide rail seat (18) is arranged in the sliding groove (17), the slide rail seat (18) is fixed in the sliding groove (17), a slide rail (19) is arranged in the slide rail seat (18), the slide rail (19) is connected with the slide rail seat (18) in a sliding manner, a connecting plate (20) is arranged on the slide rail (19), one end of the bracket (12) is connected with the upper end of the first supporting leg (14), the upper end of the second supporting leg (15) is arranged on the connecting plate (20), and the clamping plate (36) is fixedly connected with the connecting plate (20);

the two corresponding sets of the moving devices are arranged, a first spring connecting pipe (21) is arranged between the two corresponding connecting plates (20), the position of the first spring connecting pipe (21) is matched with the upper end of the second supporting leg (15), a second spring connecting pipe (22) is arranged on the bracket (12), two ends of the second spring connecting pipe (22) are connected with the upper end of the first supporting leg (14), and a lifting spring (23) is arranged between the first spring connecting pipe (21) and the second spring connecting pipe (22);

constant force spring (28) and lift spring (23) of constant force structure (25) match, and first supporting leg (14) lower extreme is connected in second regulating block (31), and second regulating block (31) is connected to adjusting screw (32) one end, and first regulating block (30) and basement (16) are passed to adjusting screw (32) other end, and the one end that adjusting screw (32) are close to first regulating block (30) is equipped with adjust knob (33).

3. The placer lifting table according to claim 2, wherein the bracket (12) is provided with a locking structure (27), the locking structure (27) comprising:

the positioning device comprises a clamping plate (36), wherein a plurality of concave positioning teeth are arranged on the clamping plate (36);

the clamping switch (37), the clamping switch (37) is arranged on one side of the clamping plate (36), the clamping switch (37) comprises a handle shaft (38), and one end or two ends of the handle shaft (38) are provided with handles (39);

the clamping structure (40) comprises one or more clamping seats (41), the clamping seats (41) are arranged in the middle of a handle shaft (38), the handle shaft (38) penetrates through the clamping seats (41), the handle shaft (38) is rotatably connected with the clamping seats (41), a first clamping piece (42) is arranged in each clamping seat (41), the first clamping piece (42) is installed on the handle shaft (38), the first clamping piece (42) and the handle shaft (38) synchronously rotate, a second clamping piece (43) is fixed on the outer side of the first clamping piece (42), an elbow (44) is arranged at the top of the second clamping piece (43), the position of the elbow (44) is matched with the clamping plate (36), and the size of the elbow (44) is matched with the distance between the concave positioning teeth;

the resetting structure (45), the resetting structure (45) provides restoring force for the buckle structure (40);

the clamping switch (37), the buckle structure (40) and the reset structure (45) are arranged on the bracket (12), the clamping plate (36) is connected with the upper end of the second supporting leg (15), and the clamping plate (36) and the upper end of the second supporting leg (15) synchronously slide.

4. The putting type lifting platform according to claim 2, wherein a handle shaft support (51) is arranged on the side surface of the bracket (12), the handle shaft (38) is mounted on the handle shaft support (51), a first connecting surface (52) is arranged at one end of the handle shaft support (51) far away from the bracket (12), the first connecting surface (52) extends towards the lower side of the table plate (11), the included angle between the first connecting surface (52) and the table plate (11) is 25-50 degrees, a keyboard plate frame (53) is arranged at one end of the first connecting surface (52) far away from the handle shaft support (51), the keyboard plate frame (53) and the table plate (11) are arranged in parallel, and the width of the keyboard plate frame (53) is 15-25 cm.

5. The putting type lifting platform according to claim 2, wherein the base (16) is provided with a buffer device (34), the first supporting legs (14) are provided with bottom connecting blocks (24) therebetween, the bottom connecting blocks (24) are connected with the lower ends of the first supporting legs (14), the bottom connecting blocks (24) are provided with buffer blocks (35), the buffer blocks (35) are matched with the buffer device (34), one end of the buffer device (34) is connected with the inner side of the base (16), the buffer device (34) comprises a first buffer spring (49) and a second buffer spring (50), the length of the second buffer spring (50) is half of that of the first buffer spring (49), the second buffer spring (50) and the first buffer spring (49) are arranged in parallel, and the second buffer spring (50) is in a conical shape.

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