CN210169318U - Lifting folding support and furniture - Google Patents
Lifting folding support and furniture Download PDFInfo
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- CN210169318U CN210169318U CN201920526621.1U CN201920526621U CN210169318U CN 210169318 U CN210169318 U CN 210169318U CN 201920526621 U CN201920526621 U CN 201920526621U CN 210169318 U CN210169318 U CN 210169318U
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- swing rod
- rod
- swing
- furniture
- mounting
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- 230000003028 elevating effect Effects 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
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- 229920001778 nylon Polymers 0.000 description 1
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- 230000000452 restraining effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses a lifting folding bracket, which comprises at least one mounting plate, a first swing rod and a second swing rod, wherein the mounting plate is movably hinged with a side plate of furniture, the other ends of the first swing rod and the second swing rod are movably hinged with a supporting plate, the supporting plate is used for mounting an operation platform, and an elastic part with a damping structure is movably pivoted between the mounting plate and the first swing rod or the second swing rod; the lifting folding bracket with the structure drives the planar four-bar mechanism to swing through the elastic piece with the damping structure, so that the supporting plate on the planar four-bar mechanism slowly moves up and down; the utility model also discloses a furniture of folding support goes up and down more than, this furniture can realize that work platform slowly goes up and down, avoids the falling speed too fast and presss from both sides the condition emergence that hinders the hand.
Description
Technical Field
The utility model relates to the technical field of furniture, concretely relates to folding support and furniture go up and down.
Background
Some furniture is provided with a liftable operation platform, such as a tea table, a computer table and the like. In the current furniture market, these work platforms are connected with mechanical lifting support to realize the function of going up and down, and these lifting support descend at the in-process that descends at the excessive speed, press from both sides easily and injure the hand, then need to use great strength when lifting the work platform and just can rise. Secondly, these elevating system's stability is not enough, easily produces and shakes from side to side, leads to the work platform can not place article steadily.
SUMMERY OF THE UTILITY MODEL
The utility model discloses lie in solving one of the technical problem that exists among the prior art at least, provide the folding support of lift that can slowly go up and down and use this folding support's of lift furniture.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model discloses a folding support goes up and down, include: at least one mounting panel for fixed mounting is on the curb plate of furniture, the activity articulates on the mounting panel has first pendulum rod and second pendulum rod, the other end of first pendulum rod and second pendulum rod all articulates movably in a backup pad, be equipped with the mounting structure who is used for installing the operation platform in the backup pad, mounting panel, first pendulum rod, second pendulum rod and backup pad constitute a plane four-bar linkage jointly, the activity pin joint has an elastic component that has damping structure between mounting panel and first pendulum rod or the second pendulum rod, plane four-bar linkage can upwards expand so that the backup pad rises or fold down so that the backup pad descends. The lifting folding support with the structure drives the planar four-bar mechanism to swing through the elastic piece with the damping structure, so that the supporting plate on the planar four-bar mechanism can slowly move up and down, the slow lifting of the operation platform can be realized, and the situation that the hand is injured due to the too fast descending speed is avoided.
Preferably, the four hinged parts of the planar four-bar mechanism are provided with a hinge assembly, the hinge assembly comprises an inner threaded stud, a damping gasket, a stop gasket, a disc spring and a threaded fastener, the damping gasket is positioned between the two parts hinged to each other, the inner threaded stud is riveted and fixed to one of the parts, the inner threaded stud sequentially penetrates through the damping gasket, the other part, the stop gasket and the disc spring, and the threaded fastener is in threaded connection with the inner threaded stud to hinge the two parts into a whole.
Preferably, the inner screw stud comprises a rivet head part and a rivet column part, an inner screw thread matched with the threaded fastener is formed in the rivet column part, a boss is arranged on the circumferential wall surface, close to the rivet head part, of the rivet column part, an annular sunk groove is formed between the boss and the rivet head part, a riveting hole is formed in a part riveted with the inner screw stud, the rivet head part is tightly matched with the riveting hole, and the surface of the rivet head part and the surface of the part riveted with the inner screw stud are flush. The connecting structure is stable and reliable, and unstable riveting, loosening and even falling of the inner-tooth stud are avoided.
Preferably, the mounting plate is provided with a limiting post which can abut against the first swing rod or the second swing rod, and the limiting post is used for limiting the rotation angle of the first swing rod or the second swing rod. Further preferably, the stopper post is made of a rubber material to avoid occurrence of rigid collision.
Preferably, the first swing link and the second swing link both comprise long plate-shaped swing link main bodies, and the peripheral edges of the swing link main bodies are provided with turned-up flanges so that the first swing link and the second swing link are both disc-shaped as a whole. The first swing rod and the second swing rod of the structure are high in mechanical strength, and the stability of the lifting folding support is facilitated.
Preferably, the number of the mounting plates is two, the two mounting plates face each other and are parallel, and the two first swing rods and the two second swing rods are connected through a cross beam. The lifting folding support forms a stable three-dimensional structure, and the mechanical strength and the bearing capacity are improved.
Preferably, the planar four-bar mechanism is a double-rocker mechanism, and the double-rocker mechanism can ensure that the supporting plate is always in a horizontal state, so that articles can be placed stably.
Preferably, the surfaces of the mounting plate, the support plate, the first swing link and the second swing link are all provided with antirust coatings, so that the service life of each part is prolonged.
Preferably, the surface of the stop washer is provided with at least one through hole or a counter bore, and the antirust coating of the part abutting against the stop washer is tightly matched with the through hole or the counter bore. The stop washer is tightly matched with the part abutted against the stop washer, so that the anti-rust coating on the part is prevented from being worn and consumed due to relative rotation of the stop washer and the part.
Preferably, the elastic member is a damped gas spring. The damping gas spring is simple in structure, low in cost and suitable for batch production and use of the lifting folding support.
The utility model also discloses a furniture, including furniture body and operation platform, be provided with above-mentioned folding support that goes up and down on the furniture body, operation platform installs in the backup pad. The furniture can realize the slow lifting of the operation platform, and the condition that hands are injured due to clamping caused by too high descending speed is avoided.
The utility model has the advantages that: the lifting folding bracket with the structure drives the planar four-bar mechanism to swing through the elastic piece with the damping structure, so that the supporting plate on the planar four-bar mechanism slowly moves up and down; the utility model also discloses a furniture of folding support goes up and down more than, this furniture can realize that work platform slowly goes up and down, avoids the falling speed too fast and presss from both sides the condition emergence that hinders the hand.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the lifting folding bracket of the present invention in an unfolded state;
fig. 2 is a schematic structural view of the lifting folding bracket of the present invention in a folded state;
FIG. 3 is an exploded view of the hinge assembly;
FIG. 4 is a schematic structural view of a female stud;
fig. 5 is a schematic structural view of furniture to which the lifting folding bracket is applied.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 and 2, the utility model discloses a folding support goes up and down, include: at least one mounting panel 1 for fixed mounting is on the curb plate of furniture, the activity hinges has first pendulum rod 2 and second pendulum rod 3 on the mounting panel 1, the equal activity of the other end of first pendulum rod 2 and second pendulum rod 3 articulates on a backup pad 4, be equipped with the mounting structure who is used for installing the operation platform in the backup pad 4, mounting panel 1, first pendulum rod 2, second pendulum rod 3 and backup pad 4 constitute a plane four-bar linkage jointly, the activity pin joint has an elastic component 5 that has damping structure between mounting panel 1 and first pendulum rod 2 or the second pendulum rod 3, plane four-bar linkage can upwards expand so that backup pad 4 rises or fold down so that backup pad 4 descends.
When the operation platform needs to be lifted upwards, the plane four-bar mechanism in the state of fig. 2 is exerted with force upwards, when the moment of the elastic part 5 to the plane four-bar mechanism is larger than the moment of the gravity of the operation platform to the plane four-bar mechanism, the operation platform can be lifted, and the elastic part 5 has a damping structure, so that the operation platform can be lifted slowly. Similarly, when the operation platform needs to be stored downwards, the plane four-bar mechanism in the state of fig. 1 is applied with force downwards, when the moment of the elastic part 5 to the plane four-bar mechanism is smaller than the moment of the gravity of the operation platform to the plane four-bar mechanism, the operation platform can descend, and the operation platform can slowly descend because the elastic part 5 has a damping structure. The lifting folding support with the structure drives the planar four-bar mechanism to swing through the elastic piece 5 with the damping structure, so that the supporting plate 4 on the planar four-bar mechanism can slowly move up and down, the slow lifting of the operation platform can be realized, and the situation that hands are injured due to clamping due to too high descending speed is avoided.
Referring to fig. 3, preferably, a hinge assembly is provided at each of four hinges of the planar four-bar mechanism, the hinge assembly 60 includes an inner threaded stud 65, a damping washer 64, a stop washer 63, a disc spring 62 and a threaded fastener 61, the damping washer 64 is located between two parts hinged to each other, the inner threaded stud 65 is riveted and fixed to one of the parts, the inner threaded stud 65 sequentially passes through the damping washer 64, the other part, the stop washer 63 and the disc spring 62, and the threaded fastener 61 is in threaded connection with the inner threaded stud 65 to hinge the two parts into a whole.
Referring to fig. 4, preferably, the internal threaded stud 65 includes a rivet head 651 and a rivet column 652, the rivet column 652 is provided with internal threads matched with the threaded fastener 61, the rivet column 652 is provided with a boss 653 on a circumferential wall surface close to the rivet head 651, a ring-shaped sunken groove 654 is provided between the boss 653 and the rivet head 651, a riveting hole 66 is provided on a part riveted with the internal threaded stud 65, the rivet head 651 is tightly fitted with the riveting hole 66, and the surfaces of the rivet head 651 and the part riveted with the internal threaded stud 65 are flush. The connecting structure is stable and reliable, and the phenomenon that the inner-tooth stud 65 is not riveted stably, loosened and even falls off is avoided. In the riveting process of the internal thread stud 65, the rivet column portion 652 firstly enters the riveting hole 66, the boss 653 is in contact with the riveting hole 66 along with the penetration of the rivet column portion 652 so as to realize reaming of the riveting hole 66, the rivet column portion 652 continuously penetrates until the rivet head portion 651 is flush with the surface of a part riveted with the internal thread stud 65, at the moment, the rivet head portion 651 is tightly matched with the reamed riveting hole 66, and a deformed portion of the riveting hole 66 generated in the reaming deformation process can be filled in the sunken groove 654, so that the riveting structure is stable and reliable.
Preferably, the first swing link 2 and the second swing link 3 each include a long plate-shaped swing link main body, and the peripheral edge of the swing link main body has raised flanges so that the whole of the first swing link 2 and the whole of the second swing link 3 are both disc-shaped. The first swing rod 2 and the second swing rod 3 with the structures have high mechanical strength, and are favorable for the stability of the lifting folding bracket.
Preferably, the mounting plate 1 is provided with a limiting post 11 capable of abutting against the first swing link 2 or the second swing link 3, and the limiting post 11 is used for limiting the rotation angle of the first swing link 2 or the second swing link 3.
Preferably, to avoid the occurrence of rigid collision, the restraining column 11 is made of a rubber material.
Preferably, the number of the mounting plates 1 is two, the two mounting plates 1 face each other and are parallel, and the two first swing rods 2 and the two second swing rods 3 are connected through a cross beam 8. The lifting folding support forms a stable three-dimensional structure, and the mechanical strength and the bearing capacity are improved.
Preferably, the planar four-bar mechanism is a double-rocker mechanism, and the double-rocker mechanism can ensure that the supporting plate 4 is always in a horizontal state, so that articles can be placed stably.
Preferably, the surfaces of the mounting plate 1, the support plate 4, the first swing link 2 and the second swing link 3 are all provided with antirust coatings, so that the service life of each part is prolonged.
Preferably, the elastic member 5 is a damped gas spring. The damping gas spring is simple in structure, low in cost and suitable for batch production and use of the lifting folding support. In order to prevent the abrasion between the joints at the two ends of the damping gas spring and parts, nylon plastic rings are embedded in the joints at the two ends of the damping gas spring.
In other embodiments of the present invention, the elastic member 5 can be replaced by the following technical solution: the elastic part 5 comprises a sleeve, a piston is arranged in the sleeve in a sliding mode, the piston is connected with a rod piece extending out of the sleeve, the rod piece is connected with the planar four-bar mechanism, a spring used for driving the rod piece to extend out is connected between the piston and the sleeve, damping fins are arranged on the inner walls of the upper end and the lower end of the sleeve respectively, and the damping fins are located between contact surfaces of the piston and the sleeve.
Referring to fig. 5, the utility model also discloses a furniture, including furniture body 71 and work platform 72, be provided with above-mentioned folding support that goes up and down on the furniture body 71, work platform 72 installs on backup pad 4. The furniture can realize the slow lifting of the operation platform, and the condition that hands are injured due to clamping caused by too high descending speed is avoided.
While the preferred embodiments of the present invention have been described in detail, it will be understood that the invention may be embodied in other forms than those specifically described and that various changes in form and details may be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. Folding support goes up and down, its characterized in that includes:
at least one mounting panel for fixed mounting is on the curb plate of furniture, the activity articulates on the mounting panel has first pendulum rod and second pendulum rod, the other end of first pendulum rod and second pendulum rod all articulates movably in a backup pad, be equipped with the mounting structure who is used for installing the operation platform in the backup pad, mounting panel, first pendulum rod, second pendulum rod and backup pad constitute a plane four-bar linkage jointly, the activity pin joint has an elastic component that has damping structure between mounting panel and first pendulum rod or the second pendulum rod, plane four-bar linkage can upwards expand so that the backup pad rises or fold down so that the backup pad descends.
2. The lifting folding stand of claim 1, wherein:
the four hinged parts of the planar four-bar mechanism are provided with a hinged assembly, the hinged assembly comprises an inner tooth stud, a damping gasket, a stop gasket, a disc spring and a threaded fastener, the damping gasket is positioned between the two parts which are hinged to each other, the inner tooth stud is riveted and fixed on one of the parts, the inner tooth stud sequentially penetrates through the damping gasket, the other part, the stop gasket and the disc spring, and the threaded fastener is in threaded connection with the inner tooth stud to hinge the two parts into a whole.
3. The lifting folding stand of claim 2, wherein:
the inner screw stud comprises a rivet head part and a rivet column part, an inner screw thread matched with the threaded fastener is formed in the rivet column part, a boss is arranged on the circumferential wall surface, close to the rivet head part, of the rivet column part, an annular sunk groove is formed between the boss and the rivet head part, a riveting hole is formed in a part riveted with the inner screw stud, the rivet head part is tightly matched with the riveting hole, and the surface of the part riveted with the inner screw stud is flush with the surface of the riveting head part.
4. The lifting folding stand of claim 2, wherein:
and the surfaces of the mounting plate, the support plate, the first swing rod and the second swing rod are all provided with antirust coatings.
5. The folding lifting stand of claim 4 in which the support is a collapsible stand
At least one through hole or counter bore is formed in the surface of the stop gasket, and the anti-rust coating of the part abutted against the stop gasket is tightly matched with the through hole or the counter bore.
6. The lifting folding stand of claim 1, wherein:
the mounting plate is provided with a limiting post which can abut against the first swing rod or the second swing rod, and the limiting post is used for limiting the rotation angle of the first swing rod or the second swing rod.
7. The lifting folding stand of claim 1, wherein:
the number of the mounting plates is two, the two mounting plates face each other and are parallel, and the two first swing rods and the two second swing rods are connected through a cross beam.
8. The lifting folding stand of claim 7, wherein:
the first swing rod and the second swing rod both comprise long plate-shaped swing rod main bodies, and the peripheral edges of the swing rod main bodies are provided with raised flanges so that the first swing rod and the second swing rod are integrally disc-shaped.
9. The lifting folding stand of claim 1, wherein:
the elastic piece is a damping gas spring.
10. Furniture, characterized in that it comprises a furniture body provided with an elevating folding bracket according to any one of claims 1 to 9 and a work platform mounted on a support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526621.1U CN210169318U (en) | 2019-04-17 | 2019-04-17 | Lifting folding support and furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526621.1U CN210169318U (en) | 2019-04-17 | 2019-04-17 | Lifting folding support and furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210169318U true CN210169318U (en) | 2020-03-24 |
Family
ID=69831170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920526621.1U Expired - Fee Related CN210169318U (en) | 2019-04-17 | 2019-04-17 | Lifting folding support and furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210169318U (en) |
-
2019
- 2019-04-17 CN CN201920526621.1U patent/CN210169318U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |