CN106617668B

CN106617668B - Small lifting table

Info

Publication number: CN106617668B
Application number: CN201610920022.9A
Authority: CN
Inventors: 黄志优; 石相君; 吴刚
Original assignee: Zhejiang Juju Intelligent Technology Co ltd
Current assignee: Zhejiang Juju Intelligent Technology Co ltd
Priority date: 2016-10-21
Filing date: 2016-10-21
Publication date: 2023-05-26
Anticipated expiration: 2036-10-21
Also published as: WO2018072235A1; CN106617668A

Abstract

The invention discloses a small lifting table, which belongs to the technical field of furniture and solves the technical problem of small lifting force of the lifting table in the lifting table.

Description

Small lifting table

Technical Field

The invention belongs to the technical field of furniture, and particularly relates to a small lifting table.

Background

At present, the lifting table is more and more popular because the lifting table can be lifted, so that the height can be conveniently adjusted according to the needs. In particular, a small lifting table capable of accommodating a computer or other digital products is generally provided with an X-shaped bracket, each support rod of the X-shaped bracket is connected with a sliding block, the vertical height of the X-shaped bracket is controlled by the movement of the sliding block, when the lifting table is adjusted to a required height position, the X-shaped bracket is locked by a locking device, and the lifting table in the prior art generally applies a vertical elastic force to one support rod of the X-shaped bracket by a mechanical spring, so that when the locking device is released, the elastic force needs to overcome the gravity of the lifting table acting on the support rod to jack up the X-shaped bracket, therefore, the lifting force is small, and when the lifting table is loaded greatly, the lifting table is easy to lift.

Disclosure of Invention

The invention provides a small lifting table, which solves the technical problem of smaller lifting force of the existing lifting table.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a small-size lift table, includes first table, first backup pad, second backup pad, with first backup pad sliding fit's first slider, with second backup pad sliding fit's second slider and by the X type support that first branch and second branch middle part rotated and are connected formation, first backup pad or second backup pad are fixed in the lower surface of first table, be equipped with the locker that is used for restricting first slider slip in the first backup pad, it has the swing arm to articulate in the second backup pad, the swing arm has first rotation end and second rotation end, be equipped with the elastic component in the second backup pad, the one end of elastic component is articulated with the second backup pad, the other end is articulated with first rotation end, the one end of first branch is articulated with first backup pad, the other end is articulated with the second slider, the one end and the first slider of second branch are articulated, the other end is fixed connection.

Further, the swing arms comprise a first swing arm, a second swing arm and a connecting sheet for connecting the first swing arm and the second swing arm, the first swing arm and the second swing arm are hinged with the second supporting plate through a rotating shaft, and the first swing arm and the second supporting rod are integrally formed.

Further, second backup pad fixedly connected with connecting seat and regulating seat, the elastic component is articulated with the connecting seat, be equipped with the screw hole in the second backup pad, the connecting seat is equipped with first engaging lug and supplies the connecting hole that the bolt of connecting the screw hole passed, the regulating seat is equipped with supplies the second engaging lug, be equipped with first screw on the first engaging lug, be equipped with on the second engaging lug with first screw endocentric second screw, first screw and second screw pass through an adjusting bolt threaded connection, and can drive the connecting seat through rotatory adjusting bolt and overcome the elasticity removal of elastic component and make connecting hole and screw hole align.

Further, the locking device comprises a base fixed on the first supporting plate, a mounting seat fixed on the base and provided with a through hole, a sliding seat arranged in the through hole, a positioning pin fixed on the sliding seat, positioning holes positioned on the first sliding block and distributed along the length direction of the first sliding block, and a driver capable of driving the sliding seat to slide so that the positioning pin stretches into or stretches out of the positioning holes, wherein a guide hole penetrating through the through hole is formed in the outer wall of the mounting seat, and the positioning pin is in sliding fit with the guide hole.

Further, the driver includes can follow the gliding slide of base surface, the floodgate line that the head end links to each other with the slide, but link to each other and the spanner and one end of traction floodgate line tail end are supported in the through-hole inner wall, the other end is supported in the reset spring of sliding seat, be equipped with the guide way on the slide, the cell wall of guide way is acute angle with the slip direction of slide, the sliding seat is equipped with the guide block that stretches into the guide way towards the bottom surface of slide, when spanner traction floodgate line drive slide slides, one side cell wall extrusion guide block of guide way makes the sliding seat overcome reset spring's elasticity and drive the locating pin and stretch out in the locating hole.

Furthermore, the mounting seat is provided with a chute, and a channel for guiding the sliding plate to slide is formed between the chute and the surface of the base.

Further, the spanner includes the spanner seat that is fixed in on the first table and rotates the spanner board of being connected in the spanner seat, the spanner board has the portion of bending, be equipped with the tooth's socket on the portion of bending, the tail end and the tooth's socket joint of floodgate line.

Further, a baffle plate and a first mounting hole are formed in the sliding plate, the head end of the brake cable penetrates through the first mounting hole, the baffle plate is provided with a second mounting hole, and the head end of the brake cable abuts against the side face of the baffle plate after penetrating through the first mounting hole.

Further, the locating pin includes threaded connection's first locating pin and second locating pin, the sliding seat is held between first locating pin and second locating pin, the guiding hole is including first guiding hole and the second guiding hole that is linked together, the head end and the first guiding hole sliding fit of first locating pin, the head end and the second guiding hole sliding fit of second locating pin.

Further, the elastic piece is a spring or a gas spring.

The beneficial effects of the invention are as follows:

the lifting table can be placed on a fixed table top for use, the problem that the fixed table top cannot be lifted locally is solved, in addition, as the elastic force of the elastic piece does not directly act on the first supporting rod or the second supporting rod, but acts on the second supporting rod through the swinging arm, the elastic force of the elastic piece does not directly counteract the weight generated by the X-shaped support and the first table plate in the vertical direction, and as the swinging arm is hinged on the second supporting plate, the swinging arm can play a role of a lever, the acting force exerted by the second supporting rod is amplified through the leverage of the swinging arm due to the resilience force of the elastic piece, the lifting force obtained in the lifting process of the lifting table is obviously improved, and when the lifting table is located at the lowest position, the first rotating end is located at the largest swinging angle due to the driving of the swinging arm by the second supporting rod, at the moment, the resilience force of the elastic piece reaches the largest, the acting force arm on the second supporting rod can be very large, and the lifting table is easier under the action of a large load.

Drawings

The invention is further described below with reference to the drawings and detailed description:

FIG. 1 is a perspective view of a small lift table of the present invention;

FIG. 2 is a schematic perspective view of a small lift table according to another embodiment of the present invention;

FIG. 3 is an enlarged partial view of area A of FIG. 2;

FIG. 4 is an enlarged partial view of region B of FIG. 2;

figure 5 is an exploded view of the latch in the compact lift table of the present invention.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1 and 2, a small lifting table comprises a first table plate 11, a first support plate 2, a second support plate 3, a first sliding block 21 in sliding fit with the first support plate 2, a second sliding block 31 in sliding fit with the second support plate 3, and an X-shaped bracket 4 formed by rotationally connecting the middle parts of a first support rod 41 and a second support rod 42, wherein a first slide rail 22 is arranged on the first support plate 2, a second slide rail 32 is arranged on the second support plate 3, the first slide rail 22, the first support plate 2 and the second support plate 32, the second support plate 3 can also be integrally formed in a sheet metal processing mode respectively, a locking device 5 for limiting the sliding of the first sliding block 21 is arranged on the first support plate 2, a swing arm 7 is hinged on the second support plate 3, the swing arm 7 is provided with a first rotating end 7a and a second rotating end 7b, an elastic piece 6 is arranged on the second support plate 3, one end of the elastic member 6 is hinged to the second support plate 3, the other end is hinged to the first rotating end 7a, one end of the first support rod 41 is hinged to the first support plate 2, the other end is hinged to the second slider 31, one end of the second support rod 42 is hinged to the first slider 21, the other end is fixedly connected to the second rotating end 7b, when the latch 5 releases the first slider 21, the first slider 21 slides along the first slide rail 22 in a direction away from the hinged end of the first support rod 41 and the first support plate 2 by applying a certain downward pressure to the first table 11, the second slider 31 also slides along the second slide rail 32 in a direction away from the hinged end of the second support rod 42 and the second support plate 3, the first support rod 41 and the second support rod 42 rotate around the rotation center of the X-shaped support 4, the height of the X-shaped support 4 gradually decreases, that is to decrease the height of the first table 11, the second support rod 42 drives the swing arm 7 to rotate around the hinged end of the swing arm 7 and the second support plate 3 through the second rotating end 7b, the first rotating end 7a on the swing arm 7 pulls the elastic piece 6 to enable the resilience force generated by the elastic piece 6 to be gradually increased, when the locking device 5 limits the first sliding block 21 to slide, the height of the first table plate 11 is locked, when the first table plate 11 needs to be lifted, only the locking device 5 is required to be operated to release the first sliding block 21, the resilience force of the elastic piece 6 acts on the first rotating end 7a of the swing arm 7 to drive the swing arm 7 to rotate, so that the second support rod 42 is driven to rotate, the first sliding block 21 slides towards the direction close to the hinged end of the first support rod 41 and the first support plate 2 under the action of the rotation of the second support rod 42, meanwhile, the second sliding block 31 slides towards the direction close to the hinged end of the second support rod 42 and the second support plate 3, the height of the X-shaped support 4 is increased, and the function of automatic height lifting of the first table plate 11 is achieved. In the lifting process of the lifting table, the resilience force of the elastic piece 6 is transferred from the first rotating end 7a to the second rotating end 7b, so that the acting force borne by the second supporting rod 42 is amplified through the leverage of the swinging arm 7 by the resilience force of the elastic piece 6, and the distance from the first rotating end 7a to the hinging end of the swinging arm 7 and the second supporting plate 3 is designed to be larger than the distance from the second rotating end 7b to the hinging end of the swinging arm 7 and the second supporting plate 3, thereby realizing the leverage of the swinging arm 7 and obviously improving the lifting force obtained in the lifting process of the lifting table. When the lifting table is at the lowest position, the swing arm 7 is driven by the second supporting rod 42 to enable the first rotating end 7a to be at the maximum swing angle, at this time, the resilience force of the elastic piece 6 is maximum, and the swing arm part of the first rotating end 7a extending to the hinged end of the swing arm 7 and the second supporting plate 3 is perpendicular to the elastic piece 6, so that the force arm is also maximum, the acting force acting on the second supporting rod 42 can be great, the lifting table is easier to lift under the action of a great load, the elastic piece 6 is preferably a spring or a gas spring, so long as the resilience force can be generated, and the generated resilience force can drive the second sliding block 31 to enable the elastic piece with the X-shaped support 4 lifted to be used in the lifting table.

In order to reduce the mass of the swing arm 7 and reduce the moment of inertia of the swing arm 7, the swing arm 7 preferably adopts a non-integral structure, which comprises a first swing arm 71, a second swing arm 72 and a connecting piece 73 for connecting the first swing arm 71 and the second swing arm 72, wherein the first swing arm 71 and the second swing arm 72 are hinged with the second support plate 3 through a rotating shaft, and in order to further simplify the installation process, the first swing arm 71 and the second support rod 42 are integrally formed, that is, the first swing arm 71 is a part of the second support rod 42, so that the first swing arm 71 and the second support rod 42 do not need to be assembled and connected when the lifting table is assembled.

In order to enable the lifting table to be lifted to the maximum height under the action of the resilience force of the elastic member 6, the elastic member 6 still needs to be assembled to be in a state capable of generating resilience force when the lifting table is at the maximum height, in order to achieve the assembly purpose, the second support plate 3 is fixedly connected with the connecting seat 8 and the adjusting seat 9, the elastic member 6 is hinged with the connecting seat 8, the second support plate 3 is provided with a threaded hole, the connecting seat 8 is provided with a first connecting lug 81 and a connecting hole 82 through which a bolt for connecting the threaded hole passes, the adjusting seat 9 is provided with a second connecting lug 91, the first connecting lug 81 is provided with a first threaded hole 811, the second connecting lug 91 is provided with a second threaded hole 911 concentric with the first threaded hole 811, the first threaded hole 811 and the second threaded hole 911 are connected by an adjusting bolt, and in order to achieve the assembly purpose, when the elastic member 6 is installed, the adjusting seat 9 is firstly fixed to a preset position of the second support plate 3 by a bolt or a welding mode, the elastic piece 6 is hinged with the connecting seat 8 and the first rotating end 7a of the swing arm 7 respectively, the connecting seat 8 can be driven to overcome the rebound force of the elastic piece 6 by rotating the adjusting bolt to align the connecting hole 82 with the preset threaded hole on the second supporting plate 3, finally, the connecting seat 8 is connected with the second supporting plate 3 by penetrating the bolt into the threaded holes of the connecting hole 82 and the second supporting plate 3, the threaded holes of the connecting hole 82 and the second supporting plate 3 can be arranged into a plurality of pairs, different alignment modes can be realized by controlling the threaded holes of the connecting hole 82 and the second supporting plate 3 through the adjusting bolt, thus realizing the adjustable setting of the rebound force generated by the elastic piece 6 when the lifting table is positioned at the maximum height, the assembly mode can be easily completed by rotating the adjusting bolt, the assembly process of the elastic member 6 is simplified.

The first support plate 2 or the second support plate 3 is fixed on the lower end surface of the first table plate 11, and in terms of the other angle, the locking device 5 and the elastic piece 6 can be installed up and down interchangeably, when the first support plate 2 is fixed on the lower end surface of the first table plate 11, the second support plate 3 is used as a table leg of a lifting table, the lower bottom surface of the second support plate 3 is provided with the anti-slip block 33, the lifting table is mainly used for being placed on a tabletop, therefore, the anti-slip block 33 is used for being supported on the tabletop, the anti-slip function is achieved, the table leg of the lifting table is prevented from scraping the tabletop, and in order to improve the attractiveness of the second support plate 3 as the table leg and the integrity of the outside, the elastic piece 6 needs to be surrounded, therefore, the second support plate 3 is provided with the shell 34, the shell 34 covers the table leg formed in a tubular shape on the second support plate 3, when the second support plate 3 is fixed on the lower end surface of the first table plate 11, the first support plate 2 is used as the table leg of the lifting table, and the anti-slip block 33 corresponds to the lower bottom surface of the first support plate 2.

Considering the stability requirement of lifting of the lifting table, the number of the X-shaped brackets 4 and the lockers 5 is preferably two, and the X-shaped brackets 4 and the lockers 5 are respectively distributed on two sides of the first table 11, when the lockers 5 are operated, two hands of a user can respectively operate one locker 5, the first support rods 41 in the two X-shaped brackets 4 are connected through the connecting rod 43, the strength of the X-shaped brackets 4 is enhanced by connecting the two first support rods 41 through the connecting rod 43, and the synchronism between the first sliding blocks 21 on two sides and the second sliding blocks 22 on two sides is also ensured, so that the stability of the X-shaped brackets 4 in the lifting process is improved.

In order to improve the practicality of lift table, the lift table still includes the second table 12 that is higher than first table 11, is fixed with connecting block 121 on the second table 12, connecting block 121 and first backup pad 2 fixed connection, can place digital accessories such as keyboard, mouse on the second table 12, and it passes through connecting block 121 to be fixed on first backup pad 2, and the assembly is simple and very firm.

As shown in fig. 2 to 5, the lock 5 includes a base 51 fixed to the first support plate 2, a mount 52 fixed to the base 51 and having a through hole 521, a slide seat 53 provided in the through hole 521, a positioning pin 54 fixed to the slide seat 53, positioning holes 211 provided on the first slider 21 and distributed along the length direction of the first slider 21, and a driver 55 that can drive the slide seat 53 to slide so that the positioning pin 54 extends into or out of the positioning holes 211, a guide hole 522 penetrating the through hole 521 is provided on an outer wall of the mount 52, and the positioning pin 54 is slidably fitted with the guide hole 522.

The driver 55 comprises a slide plate 551 which can slide along the surface of the base 51, a brake cable 552 with the head end connected with the slide plate 551, a spanner 553 which is connected with the tail end of the brake cable 552 and can pull the brake cable 552, and a reset spring 554 with one end propped against the inner wall of the through hole 521 and the other end propped against the slide plate 53, wherein the slide plate 551 is provided with a guide groove 5511, the bottom surface of the slide plate 551 facing the slide plate 53 is provided with a guide block 531, the guide block 531 stretches into the guide groove 5511, when the spanner 553 pulls the brake cable 552 to drive the slide plate 551 to slide, one side groove wall of the guide groove 5511 presses the guide block 531 to enable the slide plate 53 to overcome the elasticity of the reset spring 554 to drive the positioning pin 54 to stretch out of the positioning hole 211, wherein the end of the brake cable 552 is a steel wire similar to a bicycle brake cable, after the spanner 553 is operated to pull the brake cable 552, the spanner 553 is loosened, the brake cable 552 can be automatically reset through the rebound force of the spring, the length direction of the guide groove 5511 forms an acute angle with the sliding direction of the slide plate 551, when the slide plate 551 is driven by the spanner 5511, the side wall on one side wall of the guide groove 5511 can generate a force component force to the guide block 531, when the side wall on one side of the guide groove 5511 pulls the slide plate 551 slides, the slide plate 53 can push the slide plate 53 to push the slide hole to stretch out of the positioning hole 53 against the elasticity of the positioning hole 53, and the positioning pin 53 in the direction of the sliding direction, and the opposite direction of the slide plate 53 is driven by the thrust force of the slide plate 53, and the end is stretched out of the slide hole 53, when the end is opposite to the direction is opposite to the slide direction, and the side along the direction, and the side direction of the thrust force is opposite to the slide direction and is opposite to the slide direction. Therefore, the slide plate 551 will slide to the position before the spanner 553 is operated by the guide block 531 to realize the reset of the slide plate 551, and the brake cable 552 will generate a resilience force due to the spring of the end part of the brake cable 552 during the sliding process, so that the spanner 553 and the brake cable 552 are reset.

The installation seat 52 is provided with the sliding groove 523, the sliding groove 523 and the surface of the base 51 form a channel for guiding the sliding plate 551 to slide, the sliding plate 551 is placed on the base 51 during installation, the installation seat 52 and the base 51 are fixedly connected through bolts, in the process, the sliding plate 551 slides along the surface of the base 51 and plays a limiting role on the sliding of the sliding plate 551, therefore, the sliding plate 551 does not need to be matched with the sliding plate 551 in the base 51, the sliding plate 551 is realized by only using a common plate, the sliding groove 523 is machined on the installation seat 52, the machining difficulty is simplified, the machining cost is reduced, the sliding plate 551 only needs to be placed on the surface of the base 51 during assembly, and the sliding plate 551 is installed on the sliding plate 551 through placing the installation seat 52 on the sliding plate 551, so that the assembly process is quite simple and quick.

The wrench 553 comprises a wrench seat 5531 fixed on the first table 11 and a wrench plate 5532 rotatably connected to the wrench seat 5531, wherein the connection mode adopted by the wrench plate 5532 and the tail end of the brake cable 552 can be as shown in fig. 4, the wrench plate 5532 is directly provided with a T-shaped clamping hole 5532a, the tail end of the brake cable 552 passes through the T-shaped clamping hole 5532a and is then clamped on the plate surface of the wrench plate 5532, of course, the connection mode adopted by the wrench plate 5532 and the tail end of the brake cable 552 can also be as shown in fig. 5, namely, the wrench plate 5532 is provided with a bending part 5532, tooth grooves 5532c are formed in the bending part 5532, and the tail end of the brake cable 552 is clamped with the tooth grooves 5532c, so that the pulling action of the wrench plate 5532 on the brake cable 552 can be realized through the rotation of the wrench plate 5532.

The slide plate 551 is provided with a baffle 551a and a first mounting hole 552b for the head end of the brake cable 552 to pass through, the baffle 551a is provided with a second mounting hole 551c for the brake cable 552 to pass through, and the head end of the brake cable 552 abuts against the side surface of the baffle 551a after passing through the first mounting hole 552 b.

The locating pin 54 comprises a first locating pin 541 and a second locating pin 542 which are in threaded connection, the sliding seat 53 is clamped between the first locating pin 541 and the second locating pin 542, the guide hole 522 comprises a first guide hole 5221 and a second guide hole 5222 which are communicated, the head end of the first locating pin 541 is in sliding fit with the first guide hole 5221, the head end of the second locating pin 542 is in sliding fit with the second guide hole 5222, the tail end of the first locating pin 541 is provided with a screw rod, the tail end of the second locating pin 542 is provided with a screw hole, the sliding seat 53 is provided with a mounting through hole through which the screw rod passes, the aperture of the mounting through hole is smaller than the outer diameters of the first locating pin 541 and the second locating pin 542, the screw rod on the first locating pin 541 passes through the mounting through hole and then is in threaded connection with the screw hole on the second locating pin 542, and the first locating pin 541 and the second locating pin 542 can clamp the sliding seat 53, so that the assembly process of the locating pin 54 and the sliding seat 53 is realized, the assembly process of the locating pin 54 and the sliding seat 53 is greatly simplified, the second locating pin 542 is used for stretching into or stretching out of the first guide hole 211 to the first locating pin 541 and the second locating pin 542 is accurately matched with the first guide hole 5222, so that the whole locating pin can be stably matched with the first locating hole 211 and the first locating pin is located in the whole position and the position hole 211.

The foregoing description of the preferred embodiments of the present invention is provided for illustration and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is susceptible to various changes and modifications as will occur to those skilled in the art without departing from the spirit of the invention and fall within the scope of the invention as defined in the appended claims.

Claims

1. The small lifting table comprises a first table plate, a first support plate, a second support plate, a first sliding block in sliding fit with the first support plate, a second sliding block in sliding fit with the second support plate and an X-shaped bracket formed by rotating and connecting the middle parts of a first support rod and a second support rod, wherein the first support plate or the second support plate is fixed on the lower surface of the first table plate, and a locking device for limiting the sliding of the first sliding block is arranged on the first support plate. The locking device comprises a base fixed on the first supporting plate, an installation seat fixed on the base and provided with a through hole, a sliding seat arranged in the through hole, a positioning pin fixed on the sliding seat, positioning holes positioned on the first sliding block and distributed along the length direction of the first sliding block, and a driver capable of driving the sliding seat to slide so that the positioning pin stretches into or stretches out of the positioning holes, wherein the outer wall of the installation seat is provided with a guide hole penetrating through the through hole, and the positioning pin is in sliding fit with the guide hole; the driver comprises a sliding plate capable of sliding along the surface of the base, a brake wire, a wrench, a reset spring and a guide groove, wherein the brake wire is connected with the sliding plate at the head end, the wrench is connected with the tail end of the brake wire and can pull the brake wire, one end of the reset spring is propped against the inner wall of the through hole, the other end of the reset spring is propped against the sliding seat, the guide groove is formed in the sliding plate, the groove wall of the guide groove forms an acute angle with the sliding direction of the sliding plate, a guide block extending into the guide groove is arranged on the bottom surface of the sliding seat facing the sliding plate, and when the wrench pulls the brake wire to drive the sliding plate to slide, the guide block is extruded by the groove wall at one side of the guide groove so that the sliding seat overcomes the elasticity of the reset spring to drive the positioning pin to extend out of the positioning hole; the mounting seat is provided with a chute, and a channel for guiding the sliding plate to slide is formed between the chute and the surface of the base; the wrench comprises a wrench seat fixed on the first table plate and a wrench plate rotationally connected with the wrench seat, the wrench plate is provided with a bending part, a tooth slot is arranged on the bending part, and the tail end of the brake cable is clamped with the tooth slot; the sliding plate is provided with a baffle plate and a first mounting hole, the head end of the brake cable passes through the first mounting hole, the baffle plate is provided with a second mounting hole, and the head end of the brake cable abuts against the side surface of the baffle plate after passing through the first mounting hole; the locating pin comprises a first locating pin and a second locating pin which are in threaded connection, the sliding seat is clamped between the first locating pin and the second locating pin, the guide hole comprises a first guide hole and a second guide hole which are communicated, the head end of the first locating pin is in sliding fit with the first guide hole, the head end of the second locating pin is in sliding fit with the second guide hole, the tail end of the first locating pin is provided with a screw rod, the tail end of the second locating pin is provided with a screw hole, and the sliding seat is provided with an installation through hole for the screw rod to pass through; the aperture of the installation through hole is smaller than the outer diameters of the first locating pin and the second locating pin, the screw rod on the first locating pin penetrates through the installation through hole and then is in threaded connection with the screw hole on the second locating pin, and the sliding seat can be clamped by the first locating pin and the second locating pin.

2. The small lifting table according to claim 1, wherein the swing arms comprise a first swing arm, a second swing arm and a connecting sheet for connecting the first swing arm and the second swing arm, the first swing arm and the second swing arm are hinged with the second supporting plate through a rotating shaft, and the first swing arm and the second supporting rod are integrally formed.

3. The small lifting table according to claim 1, wherein the second support plate is fixedly connected with a connecting seat and an adjusting seat, the elastic member is hinged to the connecting seat, a threaded hole is formed in the second support plate, the connecting seat is provided with a first connecting lug and a connecting hole through which a bolt for connecting the threaded hole passes, the adjusting seat is provided with a second connecting lug, the first connecting lug is provided with a first threaded hole, the second connecting lug is provided with a second threaded hole concentric with the first threaded hole, the first threaded hole and the second threaded hole are in threaded connection through an adjusting bolt, and the connecting seat can be driven to overcome the elastic force of the elastic member through rotating the adjusting bolt so as to align the connecting hole and the threaded hole.

4. A compact lifting table according to any one of claims 1 to 3, wherein the resilient member is a spring or a gas spring.