CN210747869U - Folding structure and furniture thereof - Google Patents

Folding structure and furniture thereof Download PDF

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Publication number
CN210747869U
CN210747869U CN201921250139.6U CN201921250139U CN210747869U CN 210747869 U CN210747869 U CN 210747869U CN 201921250139 U CN201921250139 U CN 201921250139U CN 210747869 U CN210747869 U CN 210747869U
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CN
China
Prior art keywords
fixedly arranged
rod
folding
plate
connecting rod
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Expired - Fee Related
Application number
CN201921250139.6U
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Chinese (zh)
Inventor
李牧醒
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Bengbu College
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Bengbu College
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Priority to CN201921250139.6U priority Critical patent/CN210747869U/en
Application granted granted Critical
Publication of CN210747869U publication Critical patent/CN210747869U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a folding structure and furniture thereof, comprising a middle plate and a side plate, wherein the bottom of the middle plate is fixedly provided with an adjusting rod which is embedded on a limit nut; folding grooves are symmetrically formed in two sides of the middle plate, a hinge groove is formed between the central shaft and the connecting rod, a circular ring bearing is arranged in the hinge groove, a pressure rod is fixedly arranged on the circular disc, and a lubricating oil pipe is arranged in an inner cavity of the connecting rod; the side plate is fixedly arranged on one side, away from the folding groove, of the connecting rod, the upper supporting leg is hinged to the bottom of the side plate, a rotating block is fixedly arranged at one end, away from the side plate, of the upper supporting leg, and a ratchet wheel is fixedly arranged on the rotating block. The utility model provides a beta structure, folding easy operation can automatic additional lubricating oil to articulated department when folding packing up, avoids articulated department to go up rust, corruption etc. and leads to folding to hinder puckery, the utility model also discloses a furniture including above-mentioned beta structure, convenient to use is worth very much promoting.

Description

Folding structure and furniture thereof
Technical Field
The utility model relates to the technical field of furniture, specifically be a beta structure and furniture thereof.
Background
In the prior art, a foldable furniture with application number '201810701532.6' comprises a nine-grid table top, wherein the nine-grid table top comprises a first grid table top, a second grid table top, a third grid table top, a fourth grid table top, a fifth grid table top, a sixth grid table top, a seventh grid table top, an eighth grid table top and a ninth grid table top, four first positioning pins are arranged at the central positions of the bottoms of the second, fourth, sixth and eighth grid table tops which are connected with the ninth grid table top in pairs, four first hinge assemblies are arranged at the bottoms of the ninth grid table top which is connected with the second, fourth, sixth and eighth grid table tops in pairs, according to the foldable furniture, the embedded hinges and the positioning pins are flexibly applied, so that the minimized folding of the table top is realized, and the maximum space range is saved.
However, the method still has the obvious defects in the using process: 1. the device has more articulated elements, more complicated mounting structure and more parts, which can increase the production and sale cost; 2. when the device is used as a desk, the height of the desk is not adjustable, and the use place is limited; 3. the hinge part is the core of the folding structure, and in daily use, the hinge part is easy to be inflexible due to rusting, corrosion and the like caused by long-time placement, so that the folding and the unfolding of the device are affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a beta structure and furniture thereof to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a folding structure comprises a middle plate and side plates, wherein an adjusting rod is fixedly arranged at the bottom of the middle plate, a guide rail is fixedly arranged in an inner cavity of the adjusting rod, a sliding rod is movably arranged on the guide rail, an adjusting threaded rod is fixedly arranged at one end, away from the middle plate, of the sliding rod, a limiting nut is arranged on the adjusting threaded rod in a threaded mode, the adjusting rod is embedded on the limiting nut in a clamping mode, and a counterweight base is fixedly arranged at one end, away from the sliding rod, of the adjusting threaded rod;
folding grooves are symmetrically formed in two sides of the middle plate, a central shaft is fixedly arranged in each folding groove, a connecting rod is movably arranged on each central shaft, a hinge groove is formed between each central shaft and the corresponding connecting rod, a circular ring bearing is arranged in each hinge groove, a disc is fixedly arranged in each connecting rod, the disc is hinged to the central shaft, a pressure rod is fixedly arranged on each disc, a lubricating oil pipe is arranged in an inner cavity of each connecting rod, a piston plate is movably arranged in each lubricating oil pipe, a push rod is fixedly arranged on each piston plate, a push plate is fixedly arranged on each push rod, a wing plate is fixedly arranged on the side surface of each lubricating oil pipe, a restoring spring is connected between each wing plate and the corresponding push plate, an oil outlet pipe and an air inlet pipe are communicated with each lubricating oil pipe, a one-way valve I is arranged in each, the air inlet pipe penetrates through the surface of the connecting rod, a waterproof breathable film is arranged at the interface, and a one-way valve II is arranged in the air inlet pipe;
the fixed curb plate that is provided with in one side that folding groove was kept away from to the connecting rod, the articulated landing leg that is provided with in bottom of curb plate, it keeps away from the fixed rotatory piece that is provided with of one end of curb plate to go up the landing leg, rotatory piece activity sets up on the fixed round bar that sets up in lower landing leg recess, the fixed ratchet that is provided with on the rotatory piece, the ratchet activity runs through and sets up on the round bar, set up the thread groove on the landing leg down, the screw thread runs through in the thread groove and is provided with the locking threaded rod, the fixed installation piece that is provided with of one end that the locking threaded rod is close to the round bar, the fixed axle that is provided with on the installation piece, the activity is provided with the pawl on the fixed axle, the one.
Preferably, the diameter of the adjusting rod is smaller than that of the limiting nut.
Preferably, a blocking block is fixedly arranged in the inner cavity of one side, close to the push plate, of the lubricating oil pipe.
Preferably, the connecting rods and the side plates are integrally formed.
Preferably, the upper leg and the rotation block are integrally formed.
An article of furniture comprising said folding structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the folding table is simple in structure, simple and rapid in folding and folding operation when being unfolded for use as a table or not in use, convenient to use and free of space occupation;
2. when the device is used as a table, the height of the table can be steplessly adjusted in a gradient-free manner, so that the device is wider in application range and more in application places;
3. when the height of the table is adjusted, the connecting piece between the upper supporting leg and the lower supporting leg can automatically keep a locking state, and the table can be used after the height is adjusted without manual fixation;
4. this device can fold when not using as the desk and pack up, and when the folding curb plate downwards, the push pedal can be extruded to the depression bar for lubricating oil in the lubricated oil pipe is squeezed into the hinge groove, and hinge groove and ring bearing all obtain the lubrication, make the device can not take place to rust, phenomenons such as corruption in the time of depositing next time, and articulated department is still smooth when opening the use next time, extension means's life.
The utility model provides a beta structure, folding easy operation can automatic additional lubricating oil to articulated department when folding packing up, avoids articulated department to go up rust, corruption etc. and leads to folding to hinder puckery, the utility model also discloses a furniture including above-mentioned beta structure, convenient to use is worth very much promoting.
Drawings
Fig. 1 is a front sectional view of the overall structure of the present invention in an open state;
FIG. 2 is a schematic top view of the overall structure of the present invention;
fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of the lubricating oil additive of the present invention;
fig. 5 is a schematic view of the connection structure of the upper leg and the lower leg of the present invention;
fig. 6 is an enlarged view of the position B in fig. 5 according to the present invention;
fig. 7 is a schematic view of the overall structure of the present invention in a folded state.
In the figure: 1 middle plate, 2 adjusting rods, 3 guide rails, 4 sliding rods, 5 adjusting threaded rods, 6 limiting nuts, 7 counterweight bases, 8 folding grooves, 9 central shafts, 10 connecting rods, 11 hinge grooves, 12 circular bearings, 13 discs, 14 compression rods, 15 lubricating oil pipes, 16 piston plates, 17 push rods, 18 push plates, 19 wing plates, 20 restoring springs, 21 blocking blocks, 22 oil outlet pipes, 23 air inlet pipes, 24 one-way valve I, 25 waterproof breathable films, 26 one-way valve II, 27 side plates, 28 upper supporting legs, 29 rotating blocks, 30 lower supporting legs, 31 circular rods, 32 ratchets, 33 threaded grooves, 34 locking threaded rods, 35 mounting blocks, 36 fixing shafts, 37 pawls and 38 locking nuts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
the utility model provides a folding structure, including intermediate lamella 1 and curb plate 27, the fixed regulation pole 2 that is provided with in bottom of intermediate lamella 1, the fixed guided way 3 that is provided with in the inner chamber of adjusting pole 2, the activity is provided with slide bar 4 on the guided way 3, slide bar 4 can slide along guided way 3, slide bar 4 keeps away from the fixed adjusting threaded rod 5 that is provided with of one end of intermediate lamella 1, adjusting threaded rod 5 goes up the screw thread and is provided with stop nut 6, adjust pole 2 inlay card on stop nut 6, stop nut 6 has played and has adjusted spacing effect, adjusting threaded rod 5 keeps away from the fixed counter weight base 7 that is provided with of one end of slide bar 4, make the device whole no matter be more stable when user state or folding state of.
Folding grooves 8 are symmetrically formed in two sides of the middle plate 1, a central shaft 9 is fixedly arranged in each folding groove 8, a connecting rod 10 is movably arranged on each central shaft 9, each connecting rod 10 can rotate around each central shaft 9, a hinge groove 11 is formed between each central shaft 9 and each connecting rod 10, a circular ring bearing 12 is arranged in each hinge groove 11, each connecting rod 10 can rotate in each circular ring bearing 12, a disc 13 is fixedly arranged in each connecting rod 10, each disc 13 can rotate along with the rotation of each connecting rod 10, each disc 13 is hinged to each central shaft 9, a pressure rod 14 is fixedly arranged on each disc 13, a lubricating oil pipe 15 is arranged in an inner cavity of each connecting rod 10, a piston plate 16 is movably arranged in each lubricating oil pipe 15, lubricating substances such as lubricating oil or lubricating liquid are stored between each piston plate 16 and the bottom wall of each lubricating oil pipe 15, a push rod 17 is fixedly arranged on each piston plate 16, a push plate 18 is, a return spring 20 is connected between the wing plate 19 and the push plate 18, an oil outlet pipe 22 and an air inlet pipe 23 are communicated with the lubricating oil pipe 15, a one-way valve 24 is arranged in the oil outlet pipe 22, the one-way valve 24 enables the lubricating oil in the lubricating oil pipe 15 to enter the hinge groove 11 from the oil outlet pipe 22, the hinge groove 11 and the circular ring bearing 12 are lubricated and maintained, the lubricating oil cannot flow back to the lubricating oil pipe 15, the oil outlet pipe 22 is communicated with the hinge groove 11, the air inlet pipe 23 penetrates through the surface of the connecting rod 10, a waterproof breathable film 25 is arranged at a joint, the waterproof breathable film 25 can allow gas exchange, but liquid such as water, lubricating oil and the like cannot pass through, a two-way valve 26 is arranged in the air inlet pipe 23, the air outside can enter the lubricating oil pipe 15 from the air inlet pipe 23 due to the arrangement of the two-way valve 26, but the, the first check valve 24 and the second check valve 26 can adopt 6MM models provided by Hangzhou Jie super mechanical source manufacturers.
A side plate 27 is fixedly arranged on one side of the connecting rod 10 far away from the folding groove 8, an upper supporting leg 28 is hinged at the bottom of the side plate 27, a rotating block 29 is fixedly arranged at one end of the upper supporting leg 28 far away from the side plate 27, the rotating block 29 is movably arranged on a round rod 31 fixedly arranged in a groove of a lower supporting leg 30, a ratchet 32 is fixedly arranged on the rotating block 29, the ratchet 32 can rotate along with the rotation of the rotating block 29, the ratchet 32 is movably arranged on the round rod 31 in a penetrating way, a thread groove 33 is arranged on the lower supporting leg 30, a locking threaded rod 34 is arranged in the thread groove 33 in a penetrating way, a mounting block 35 is fixedly arranged at one end of the locking threaded rod 34 close to the round rod 31, a fixed shaft 36 is fixedly arranged on the mounting block 35, a pawl 37 is movably arranged on the fixed shaft 36, the pawl 37 is engaged with the ratchet 32 in use, the pawl 37, a lock nut 38 is disposed against the outer wall of the lower leg 30, the lock nut 38 defining the position of the lock screw rod 34.
Preferably, the diameter of the adjusting rod 2 is smaller than the diameter of the limit nut 6, and the adjusting rod 2 is inserted above the limit nut 6 to limit the height.
Preferably, a stopper 21 is fixedly provided in an inner cavity of the lubricating oil tube 15 at a side close to the push plate 18, and the stopper 21 functions to prevent the piston plate 16 from being separated from the lubricating oil tube 15 during movement.
Preferably, the connecting rods 10 and the side plates 27 are integrally formed, which simplifies the production and assembly process and improves the overall stability of the device.
Preferably, the upper leg 28 and the rotation block 29 are integrally formed, which simplifies the production and assembly process and improves the overall stability of the device.
A piece of furniture comprises a folding structure, and can be folded and stored through the folding structure when not in use.
The working principle is as follows: when the device is needed to be used, the device can be unfolded from a folded state to a use state, specifically, the counterweight base 7 can be stepped on by feet, the middle plate 1 is lifted upwards, when the device is lifted to a proper height, the limit nut 6 is rotated upwards, the limit nut 6 moves along the adjusting threaded rod 5, the adjusting rod 2 can be clamped and embedded above the limit nut 6 due to the larger diameter of the limit nut 6, so that the overall height of the adjusting rod 2 and the adjusting threaded rod 5 is adjusted, the use height of the table is adjusted, then the lower supporting leg 30 is moved towards the direction close to the ground, the round rod 31 fixedly arranged in the groove of the lower supporting leg 30 can rotate in the rotating block 29 of the upper supporting leg 28 until the lower supporting leg 30 contacts the ground to complete two-side supporting, at the moment, the ratchet 32 is fixed on the rotating block 29 and rotates along with the rotating block 29, and under the action of the pawl 37, the ratchet 32 can, so that the lower supporting leg 30 can only move in one direction, when the lower supporting leg 30 is adjusted to the stable supporting position, the connection structure of the upper supporting leg 28 and the lower supporting leg 30 is automatically locked, and the table can not be automatically folded and stored in the reverse direction, so that the table can be used without extra fixing operation.
After the device is used, if the device needs to be folded and folded, the limiting nut 6 can be moved towards the direction close to the counterweight base 7, the adjusting rod 2 can descend along with the limiting nut, so that the overall length of the adjusting rod 2 and the adjusting threaded rod 5 is shortened, then the side plate 27 is folded downwards, the side plate 27 drives the connecting rod 10 to rotate, the connecting rod 10 drives the disc 13 and the pressing rod 14 which are fixedly arranged inside to rotate, when the side plate 27 is folded into a vertical state from a horizontal state, the pressing rod 14 just presses the pressing plate 18 downwards, the pressing plate 18 pushes the piston plate 16 through the push rod 17, so that lubricating substances such as lubricating oil, lubricating liquid and the like in the lubricating oil pipe 15 are extruded into the hinge groove 11 from the oil outlet pipe 22, the hinge groove 11 and the ring bearing 12 are lubricated, under the action of the one-way valve I24 and the two-way valve II 26, a certain amount of lubricating oil can be extruded out when the pressing plate 18 downwards each time, the device is prevented in the following placing process because air humidity causes rust, corrosion and the like greatly, so that the device is still smooth and convenient to fold and open when used next time, the use is smoother, the service life is prolonged, in addition, if the upper supporting leg 28 and the lower supporting leg 30 need to be folded, only the locking nut 38 needs to be screwed down, the locking threaded rod 34 and the fixing shaft 36 are pulled outwards, the pawl 37 at the moment is far away from the ratchet wheel 32, the locking state is relieved, and then the folding and shrinking device is held by hands.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A folding structure comprising a middle panel (1) and side panels (27), characterized in that: an adjusting rod (2) is fixedly arranged at the bottom of the middle plate (1), a guide rail (3) is fixedly arranged in an inner cavity of the adjusting rod (2), a sliding rod (4) is movably arranged on the guide rail (3), an adjusting threaded rod (5) is fixedly arranged at one end, far away from the middle plate (1), of the sliding rod (4), a limiting nut (6) is arranged on the adjusting threaded rod (5) in a threaded manner, the adjusting rod (2) is clamped and embedded on the limiting nut (6), and a counterweight base (7) is fixedly arranged at one end, far away from the sliding rod (4), of the adjusting threaded rod (5);
folding grooves (8) are symmetrically formed in two sides of the middle plate (1), a central shaft (9) is fixedly arranged in each folding groove (8), a connecting rod (10) is movably arranged on each central shaft (9), a hinge groove (11) is formed between each central shaft (9) and each connecting rod (10), a ring bearing (12) is arranged in each hinge groove (11), a disc (13) is fixedly arranged in each connecting rod (10), each disc (13) is hinged to the corresponding central shaft (9), a pressure lever (14) is fixedly arranged on each disc (13), a lubricating oil pipe (15) is arranged in an inner cavity of each connecting rod (10), a piston plate (16) is movably arranged in each lubricating oil pipe (15), a push rod (17) is fixedly arranged on each piston plate (16), a push plate (18) is fixedly arranged on each push rod (17), and a wing plate (19) is fixedly arranged on the side surface of each lubricating oil pipe (15), a restoring spring (20) is connected between the wing plate (19) and the push plate (18), an oil outlet pipe (22) and an air inlet pipe (23) are communicated on the lubricating oil pipe (15), a one-way valve I (24) is arranged in the oil outlet pipe (22), the oil outlet pipe (22) is communicated with the hinge groove (11), the air inlet pipe (23) penetrates through the surface of the connecting rod (10) and is provided with a waterproof breathable film (25) at the joint, and a one-way valve II (26) is arranged in the air inlet pipe (23);
a side plate (27) is fixedly arranged on one side, far away from the folding groove (8), of the connecting rod (10), an upper supporting leg (28) is hinged to the bottom of the side plate (27), a rotating block (29) is fixedly arranged at one end, far away from the side plate (27), of the upper supporting leg (28), the rotating block (29) is movably arranged on a round rod (31) fixedly arranged in a groove of a lower supporting leg (30), a ratchet wheel (32) is fixedly arranged on the rotating block (29), the ratchet wheel (32) is movably arranged on the round rod (31) in a penetrating mode, a thread groove (33) is formed in the lower supporting leg (30), a locking threaded rod (34) is arranged in the thread groove (33) in a penetrating mode, a mounting block (35) is fixedly arranged at one end, close to the round rod (31), of the locking threaded rod (34), a fixing shaft (36) is fixedly arranged on the mounting block (35), and a pawl (37) is, and a locking nut (38) is arranged at one end of the locking threaded rod (34) far away from the pawl (37) in a threaded manner, and the locking nut (38) is tightly attached to the outer wall of the lower supporting leg (30).
2. A folding structure according to claim 1, wherein: the diameter of the adjusting rod (2) is smaller than that of the limiting nut (6).
3. A folding structure according to claim 1, wherein: and a blocking block (21) is fixedly arranged in the inner cavity of one side of the lubricating oil pipe (15) close to the push plate (18).
4. A folding structure according to claim 1, wherein: the connecting rod (10) and the side plate (27) are integrally formed.
5. A folding structure according to claim 1, wherein: the upper supporting leg (28) and the rotating block (29) are integrally formed.
6. An article of furniture, characterized by: comprising the folded structure of any one of claims 1-5.
CN201921250139.6U 2019-08-05 2019-08-05 Folding structure and furniture thereof Expired - Fee Related CN210747869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921250139.6U CN210747869U (en) 2019-08-05 2019-08-05 Folding structure and furniture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921250139.6U CN210747869U (en) 2019-08-05 2019-08-05 Folding structure and furniture thereof

Publications (1)

Publication Number Publication Date
CN210747869U true CN210747869U (en) 2020-06-16

Family

ID=71031869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921250139.6U Expired - Fee Related CN210747869U (en) 2019-08-05 2019-08-05 Folding structure and furniture thereof

Country Status (1)

Country Link
CN (1) CN210747869U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110432650A (en) * 2019-08-05 2019-11-12 蚌埠学院 A kind of foldable structure and its furniture
CN113017265A (en) * 2021-03-03 2021-06-25 贵州民族大学 Portable environmental landscape design work frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110432650A (en) * 2019-08-05 2019-11-12 蚌埠学院 A kind of foldable structure and its furniture
CN113017265A (en) * 2021-03-03 2021-06-25 贵州民族大学 Portable environmental landscape design work frame

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200616

Termination date: 20210805