CN215303761U - Manual lifting table and folding table combination - Google Patents

Abstract

The utility model relates to a manual lifting table and a folding table combination, wherein a lockable gas spring is adopted as power for driving lifting and self-locking positioning of the height position of a table top of the lifting table, and the lockable gas spring is controlled through a manual switch assembly; the main tabletop and the table legs are arranged on the bottom frame of the lifting table to form a structure of the folding table, so that the use space of the lifting table is further expanded, and the requirement of wide-range height adjustment is met.

Description

Manual lifting table and folding table combination

The technical field is as follows:

the utility model belongs to the field of office furniture, particularly relates to a manual lifting table and a folding table combination, and particularly relates to an instant-stop function realized by adopting a controllable gas spring.

Background art:

with the advancement of science and technology, computers occupy various fields and cannot be used even in a leisure environment. As the use environments are various, in order to be compatible with different use conditions and meet more humanized operation and observation angles, the operator creates a plurality of requirements, such as a lifting table or a desktop table, the operation table top of the computer can be heightened, and the operation table top can be folded into a sheet shape, so that the occupied area is reduced; the existing products are divided into two types, namely a manual table driven to rise by an air spring, and an electric table driven by a motor and having a lifting function; the former is simple and low in cost, and the latter is high in automation and has various characteristics. Such as:

patent application No. 201821792955.5 discloses an ultra-thin type lift table, including base, table and elevating system, elevating system's both ends are connected with base and table respectively, wherein, the lift limiting plate of following elevating system's lift and reciprocal translation is installed to the bottom surface of table, the lateral part of lift limiting plate has a plurality ofly and is located the spacing hole on same water flat line and selective insertion carries out the spacing elasticity of lift braking to elevating system in a spacing hole and detains, and the lift limiting plate is connected with elevating system. The lifting mechanism is prevented from being damaged due to the fact that the lifting mechanism is prevented from being damaged due to long-term standing and bearing, and the handle gaps are reserved at the two ends of the desktop due to the fact that the first gas spring switch assembly and the second gas spring switch assembly are pulled outwards.

Patent application No. 201921557212.4 discloses a height-adjustable lifting table, which comprises a lifting table top, a supporting component, a base and a locking mechanism; the locking mechanism comprises a lockable gas spring which can horizontally move on the lifting table board and a switch assembly for controlling the opening and closing of the lockable gas spring, one end of the lockable gas spring is fixed on the lifting table board, and the other end of the lockable gas spring is hinged with a first support rod or a second support rod in the support assembly and is driven to open the support assembly in an X-shaped cross manner. The switch component for controlling the lockable gas spring is pressed by a turnover cam, the other end of the switch component is provided with a locking component, and the other end of the switch component is also provided with a turnover handle, so that the lifting table top and the base are locked into a whole after being folded.

The manual lifting table adopts the lockable gas spring to achieve the purpose of stopping at any height after lifting, but the lockable gas spring is pressed to be opened and closed, so that great force is needed, and satisfactory experience is difficult to obtain through simple driving design.

The utility model content is as follows:

the utility model aims to design a manual lifting table capable of being started in a labor-saving mode by utilizing a lever principle and provide a folding table combination capable of being lifted, supported and stored.

The technical scheme of the utility model is realized as follows: a manual lifting table comprises a table top, a bottom frame, a lockable gas spring, a first supporting rod and a second supporting rod which are hinged together in an X-shaped cross manner, wherein one end of the first supporting rod and one end of the second supporting rod are fixed ends and are correspondingly hinged on the table top and the bottom frame, the other end of the first supporting rod and the second supporting rod are movable ends, and the first supporting rod and the second supporting rod are slidably positioned in elongated grooves corresponding to the table top and the bottom frame; the lockable gas spring is arranged on one side of the table top, the piston rod is positioned on the table top, the cylinder body is hinged with the movable end of the first supporting rod through the sliding frame, the valve rod extending out of the end part of the piston rod can be touched by the switch component arranged on the table top, and the lockable gas spring drives the table top to lift; the method is characterized in that: the switch assembly comprises a switch fixing piece, a swinging handle, a steel wire pull wire, a wane and a piston rod fixing piece; the swing handle shaft is positioned on the switch fixing piece and is provided with a torsion spring for keeping the swing handle in a tilting state; the steel wire wiring passes switch mounting and piston rod mounting in proper order, and one end card is established in the fashioned spout of swing handle, and the one end at the wane is established to the other end card, and wane middle part axle location is on the piston rod mounting that is fixed with the piston rod, the other end is contradicted on the valve pole that stretches out the piston rod tip, and the swing of swing handle is acted as go-between through the steel wire and is made the wane swing and touch-control valve pole.

The sliding frame comprises U-shaped metal plates and shaft sections, the two shaft sections are correspondingly connected to the end parts of two parallel arms of the U-shaped metal plates, correspondingly penetrate through the end parts of the first supporting rods on the same side and then are inserted into the long grooves of the tabletop, and a movable end sliding positioning structure is formed; the two parallel arms of U-shaped panel beating are retrained in two guide ways of desktop, and the bottom of U-shaped panel beating is connected with the tip of lockable air spring cylinder body.

Outward pins are fixed on the two parallel arms of the U-shaped metal plate and can penetrate through the long slotted holes preset in the guide grooves; a spring fixing piece is fixed on the desktop on one side of the bottom of the U-shaped metal plate, pre-tightening springs are hung between the spring fixing piece and the two pins respectively, and the pre-tightening springs are sleeved on the desktop and are in an animal power state in the descending process of the desktop through tension springs.

And a correlation plate is connected between the end part of the U-shaped metal plate parallel arm and the two shaft sections.

A folding table combination comprises a folding table and the manual lifting table, wherein the folding table is provided with a main table top and four foldable table legs, and the main table top can be stably supported by means of the four table legs; the method is characterized in that: the center of the main desktop is provided with an opening matched with the desktop of the lifting desk, the bottom frame of the lifting desk is locked on the bottom surface of the main desktop, the opening and folding processes of the lifting desk are carried out within the projection range of the opening, and the desktop of the lifting desk which is folded in place is flush with the main desktop.

The bottom frame is of a rectangular structure consisting of two frame beams with long grooves and two fixed shafts, the main tabletop is directly locked on the two frame beams which are arranged in parallel, and the table legs can be sleeved on the fixed shafts in a swinging manner; two desk legs on the same frame beam are respectively positioned at two sides of the frame beam, and the desk legs can be folded in place around the fixed shaft and can be attached to the frame beam; the table leg is opened and swings and set up the limited point on the position that corresponds through 90 degrees frame roof beams, and the limit hook that the table leg top was provided with can be taken on this limited point, forms the location after opening.

The edge of the table top of the lifting table corresponding to the position of the swinging handle is provided with a gap for a human hand to insert.

The utility model has the characteristics of reasonable design, simple structure and labor saving in operation; the table top is slowly lifted under the combined action of a pre-tightening spring and a lockable gas spring, the table top is lifted to a required position, the pressure of the swing handle is unloaded and the table top is stopped, and the pressure borne by the lockable gas spring can be shared by the pre-tightening spring under the condition of bearing; the height of the table top can be further raised, the lifting table can be stored, the main table top can be kept flat for use, the table legs of the folding table can be further folded, the folding table is integrally of a flat structure, and the storage space is small.

Description of the drawings:

the utility model is further illustrated with reference to the following specific figures:

FIG. 1 is an unfolded view of the folding table

FIG. 2 is a schematic view of the folding table at an open elevation angle

FIG. 3 is an enlarged view of part A of FIG. 2

FIG. 4 is an enlarged view of a portion B of FIG. 2

FIG. 5 is an exploded view of the folding table

FIG. 6 is a partially enlarged view of FIG. 5

FIG. 7 is a folding view of the folding table

FIG. 8 is a schematic view of the folding table being fully folded

Wherein

1-tabletop 11-long groove 12-guide groove 121-long groove hole

13-spring fixing part 14-pre-tightening spring 15-notch

2-bottom frame 21-frame beam 22-fixed shaft 23-limit point

3-lockable gas spring 31-piston rod 32-cylinder 33-valve rod

4-first support bar 5-second support bar

6-sliding frame 61-U-shaped metal plate 611-parallel arm 612-pin

613-associated plate 62-shaft segment

7-switch assembly 71-switch fixing piece 72-swing handle 721-chute

73-steel wire stay wire 74-wane 75-piston rod fixing part 76-torsion spring

8-folding table 81-main table top 811-hole 82-table leg

83-spacing hook

The specific implementation mode is as follows:

referring to fig. 1 to 6, the manual lifting table comprises a table top 1, a bottom frame 2, a lockable gas spring 3, and a first support rod 4 and a second support rod 5 which are crosswise hinged together in an X shape, wherein one end of the first support rod 4 and one end of the second support rod 5 are fixed ends and are correspondingly hinged on the table top 1 and the bottom frame 2; the other end is a movable end which is positioned in a long groove corresponding to the desktop 1 and the bottom frame 2 in a sliding way, in particular to a long groove 11 which is directly formed or processed on one side of the bottom frame 2 at the inner side of the frame; the table top 1 is locked on the bottom surface of the table top by the independent long groove 11. The lockable gas spring 3 is arranged on one side of the bottom surface of the table top 1, the piston rod 31 is positioned on the table top 1, the cylinder body 32 is hinged with the movable end of the first supporting rod 4 through the sliding frame 6, the valve rod 33 extending out of the end part of the piston rod can be touched by the switch component 7 arranged on the table top, and the lockable gas spring 3 drives the table top 1 to lift; this is also common practice in conventional technology.

As shown in fig. 2 to 6, the switch assembly 7 includes a switch fixing member 71, a swing handle 72, a wire pull 73, a rocker 74, and a piston rod fixing member 75; the swing handle 72 is axially positioned on the switch fixing piece 71 and is provided with a torsion spring 76 for keeping the swing handle 72 tilted, and the torsion spring 76 can be directly sleeved on the hinged rotating shaft; the steel wire 73 passes through the switch fixing part 71 and the piston rod fixing part 75 in sequence, one end is clamped in the sliding groove 721 formed by the swing handle 72, the other end is clamped at one end of the rocker 74, the middle shaft of the rocker 74 is positioned on the piston rod fixing part 75, the other end is abutted against the valve rod 33 extending out of the end part of the piston rod, and the swing of the swing handle 72 enables the rocker 74 to swing through the steel wire 73 to touch the valve rod 33. The piston rod fixing member 75 is used to fix the piston rod 31 and support the shaft positioning rocker 74 to maintain the abutting state between the rocker 74 and the end of the valve rod 33.

As shown in fig. 5 and 6, the sliding frame 6 includes a U-shaped metal plate 61 and shaft segments 62, the two shaft segments 62 are correspondingly connected to the ends of the two parallel arms 611 of the U-shaped metal plate 61, and correspondingly penetrate through the end of the first supporting rod 4 on the same side, and then are inserted into the elongated slot 11 of the table top 1, so as to form a movable end sliding positioning structure; the two parallel arms 611 of the U-shaped metal plate 61 are constrained in the two guide grooves 12 of the table top, and the bottom of the U-shaped metal plate 61 is connected with the end of the cylinder 32 of the lockable gas spring.

Outward pins 612 are fixed on the two parallel arms 611 of the U-shaped sheet metal, and the pins 612 can penetrate through the long slot holes 121 preset in the guide slot 12; a spring fixing piece 13 is fixed on the table top on one side of the bottom of the U-shaped sheet metal, a pre-tightening spring 14 is hung between the spring fixing piece 13 and the two pins 612 respectively, and the pre-tightening spring 14 is stretched in an animal power state in the process of descending the table top. The pre-tightening spring 14 initially generates driving force when the lifting table top of the lifting table is lifted, so that the table top 1 at a critical point is more likely to bounce; then the desktop 1 is gradually lifted up together with the elastic force of the lockable gas spring 3. And the lockable gas spring 3 is mainly supported by the U-shaped metal plate 61 and the associated plate 612.

And a linking plate 613 is connected between the end of the U-shaped metal plate parallel arm 611 and the two shaft sections 62, and the linking plate 613 spans the lockable gas spring 3, so that the rigidity strength between the U-shaped metal plate 61 and the shaft sections 62 is improved.

Referring to fig. 1 to 8 again, the folding table assembly comprises a folding table 8 and the above manual lifting table, the folding table 8 has a main table top 81 and four foldable table legs 82, and the main table top 81 can be stably supported by means of the four table legs 82; the main tabletop 81 is provided with an opening 811 matched with the lifting table tabletop 1, the bottom frame 2 of the lifting table is locked on the bottom surface of the main tabletop 81, the lifting table is opened and folded within the projection range of the opening 811, the tabletop 1 of the lifting table is folded in place and is flush with the main tabletop 81, and the normal use of the main tabletop 81 is not influenced during the collection of the lifting table.

The bottom frame 2 is of a rectangular structure consisting of two frame beams 21 with long grooves 11 and two fixing shafts 22, the main tabletop 81 is directly locked on the two frame beams 21 which are arranged in parallel, and the table legs 82 can be sleeved on the fixing shafts 22 in a swinging manner; the two table legs 82 on the same frame beam 21 are respectively positioned at two sides of the frame beam, the table legs 82 can be attached to the frame beam 22 when being folded around the fixed shaft 22, namely, the two table legs are just attached to two side surfaces of the frame beam 22, and the opposite folding processes are not interfered with each other; the limiting point 23 is arranged at the position corresponding to the frame beam 21 which is opened and swung by 90 degrees of the table leg 82, and the limiting hook 83 arranged at the top of the table leg 82 can be lapped on the limiting point 23 to form the positioning after the table leg is opened; that is, the two legs 82 on the frame beam 21 swing back to back and open, and after 90 degrees, the two legs 82 can form a stable support in the shape of a Chinese character 'ba', preferably, the legs 82 swing to a position of 100 degrees.

In addition, the edge of the table top 1 of the lifting table corresponding to the position of the swing handle 72 is provided with a gap 15 for a human hand to insert; namely, when the lifting table is folded in place, the table top 1 and the main table top 81 are in a matched and flush state, the reserved gap 15 is convenient for a human hand to intervene to operate the swing handle 72, for example, a thumb is put on one side of the table top 1, four fingers buckle the swing handle 72, and the lifting table is lifted to a required position along with the table top 1; and (3) the operation is reversed, namely the other hand is needed to press the other side of the table top 1, the table top is enabled to be lowered to the required height or folded in place together with the other hand, the pressure on the hand is released, and the lockable gas spring 3 is locked and stopped at a specific position.

The folding table can provide wide-range adjustment capability for the table top from a sitting posture to a standing posture, improves the limitation of the lifting range of the traditional lifting table, particularly does not need other fixation or table mat height, and can be directly adjusted to the height for standing use. Fig. 8 is full folding state, and with this adjustable lifting table to ground clearance reasonable position, perhaps utilize the table leg of folding table directly to improve to like fig. 7 state, reuse lifting table to rise to the limit height of fig. 1, more have the flexibility of using, satisfy different various occasion user demands.

Claims (7)

1. A manual lifting table comprises a table top, a bottom frame, a lockable gas spring, a first supporting rod and a second supporting rod which are hinged together in an X-shaped cross manner, wherein one end of the first supporting rod and one end of the second supporting rod are fixed ends and are correspondingly hinged on the table top and the bottom frame, the other end of the first supporting rod and the second supporting rod are movable ends, and the first supporting rod and the second supporting rod are slidably positioned in elongated grooves corresponding to the table top and the bottom frame; the lockable gas spring is arranged on one side of the table top, the piston rod is positioned on the table top, the cylinder body is hinged with the movable end of the first supporting rod through the sliding frame, the valve rod extending out of the end part of the piston rod can be touched by the switch component arranged on the table top, and the lockable gas spring drives the table top to lift; the method is characterized in that: the switch assembly comprises a switch fixing piece, a swinging handle, a steel wire pull wire, a wane and a piston rod fixing piece; the swing handle shaft is positioned on the switch fixing piece and is provided with a torsion spring for keeping the swing handle in a tilting state; the steel wire wiring passes switch mounting and piston rod mounting in proper order, and one end card is established in the fashioned spout of swing handle, and the one end at the wane is established to the other end card, and wane middle part axle location is on the piston rod mounting that is fixed with the piston rod, the other end is contradicted on the valve pole that stretches out the piston rod tip, and the swing of swing handle is acted as go-between through the steel wire and is made the wane swing and touch-control valve pole.

2. A manually liftable table according to claim 1, wherein: the sliding frame comprises U-shaped metal plates and shaft sections, the two shaft sections are correspondingly connected to the end parts of two parallel arms of the U-shaped metal plates, correspondingly penetrate through the end parts of the first supporting rods on the same side, and then are inserted into the long grooves of the table top to form a movable end sliding positioning structure; the two parallel arms of U-shaped panel beating are retrained in two guide ways of desktop, and the bottom of U-shaped panel beating is connected with the tip of lockable air spring cylinder body.

3. A manually liftable table according to claim 2, wherein: outward pins are fixed on the two parallel arms of the U-shaped metal plate and can penetrate through the long slotted holes preset in the guide grooves; a spring fixing piece is fixed on the desktop on one side of the bottom of the U-shaped metal plate, pre-tightening springs are hung between the spring fixing piece and the two pins respectively, and the pre-tightening springs are sleeved on the desktop and are in an animal power state in the descending process of the desktop through tension springs.

4. A manually liftable table according to claim 2, wherein: and a correlation plate is connected between the end part of the U-shaped metal plate parallel arm and the two shaft sections.

5. A folding table assembly comprising a folding table and a manually liftable table as claimed in any of claims 1 to 4, said folding table having a main table top and four foldable legs, the main table top being stably supported by the four legs; the method is characterized in that: the center of the main desktop is provided with an opening matched with the desktop of the lifting desk, the bottom frame of the lifting desk is locked on the bottom surface of the main desktop, the opening and folding processes of the lifting desk are carried out within the projection range of the opening, and the desktop of the lifting desk which is folded in place is flush with the main desktop.

6. A folding table assembly as claimed in claim 5, wherein: the bottom frame is of a rectangular structure consisting of two frame beams with long grooves and two fixed shafts, the main tabletop is directly locked on the two frame beams which are arranged in parallel, and the table legs can be sleeved on the fixed shafts in a swinging manner; two desk legs on the same frame beam are respectively positioned at two sides of the frame beam, and the desk legs can be folded in place around the fixed shaft and can be attached to the frame beam; the table leg is opened and swings and set up the limited point on the position that corresponds through 90 degrees frame roof beams, and the limit hook that the table leg top was provided with can be taken on this limited point, forms the location after opening.

7. A folding table assembly as claimed in claim 5, wherein: the edge of the table top of the lifting table corresponding to the position of the swinging handle is provided with a gap for a human hand to insert.

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