CN114343324A - Lifting adjusting mechanism for folding furniture - Google Patents
Lifting adjusting mechanism for folding furniture Download PDFInfo
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- CN114343324A CN114343324A CN202210042368.9A CN202210042368A CN114343324A CN 114343324 A CN114343324 A CN 114343324A CN 202210042368 A CN202210042368 A CN 202210042368A CN 114343324 A CN114343324 A CN 114343324A
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Abstract
The invention relates to a lifting adjusting mechanism for folding furniture, which comprises a bottom plate, a top plate, a first supporting rod and a second supporting rod, wherein a first sliding block and a second sliding block are arranged on the bottom plate, and a third sliding block and a fourth sliding block are arranged on the top plate; one end of the first supporting rod is rotatably connected with the first sliding block, and the other end of the first supporting rod is rotatably connected with the fourth sliding block; one end of the second support rod is rotatably connected with the second sliding block, and the other end of the second support rod is rotatably connected with the third sliding block; a first strip-shaped hole is formed in the first supporting rod, first clamping plates are arranged on two sides of the first strip-shaped hole, a fifth sliding block is arranged between the first clamping plates, and a fifth limiting part is arranged on each first clamping plate; a second bar-shaped hole is formed in the second supporting rod, second clamping plates are arranged on two sides of the second bar-shaped hole, a sixth sliding block is arranged between the second clamping plates, and a sixth limiting piece is arranged on each second clamping plate; a rotating shaft is arranged between the fifth sliding block and the sixth sliding block; the bottom plate is provided with a first limiting piece and a second limiting piece; the top plate is provided with a third limiting part and a fourth limiting part. The mechanism is flexible to use.
Description
Technical Field
The invention belongs to the technical field of furniture accessories, and particularly relates to a lifting adjusting mechanism for folding furniture.
Background
The folding furniture is a furniture type which can compress articles with larger area or volume as much as possible by folding, and the folding furniture has flexible use and various functions and is popular with people. With the rise of folding furniture, accessories of the folding furniture are more and more, wherein the mechanism for adjusting the lifting of the folding furniture has a great influence on the functions of the folding furniture, the existing lifting mechanism only can lift or lower the plate of the folding furniture in the lifting process, and the angle of the plate cannot be adjusted, so that the development of the folding furniture is limited.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides a lifting adjustment mechanism for foldable furniture to solve the above problems.
In order to achieve the above object, the present invention provides a technical solution as follows:
a lifting adjusting mechanism for folding furniture comprises a bottom plate, a top plate, a first supporting rod and a second supporting rod, wherein a first sliding block and a second sliding block are connected to the bottom plate in a sliding mode; one end of the first supporting rod is rotatably connected with the first sliding block, and the other end of the first supporting rod is rotatably connected with the fourth sliding block; one end of the second supporting rod is rotatably connected with the second sliding block, and the other end of the second supporting rod is rotatably connected with the third sliding block; a first strip-shaped hole is formed in the first supporting rod along the length direction of the first supporting rod, first clamping plates are arranged on two sides of the first strip-shaped hole, a fifth sliding block is arranged between the two first clamping plates and is connected with the first clamping plates in a sliding mode, and a fifth limiting part for limiting the fifth sliding block to slide is arranged on at least one first clamping plate; a second strip-shaped hole is formed in the second support rod along the length direction of the second support rod, second clamping plates are arranged on two sides of the second strip-shaped hole, a sixth sliding block is arranged between the two second clamping plates and is connected with the second clamping plates in a sliding mode, and a sixth limiting part for limiting the sixth sliding block to slide is arranged on at least one second clamping plate; a rotating shaft is arranged between the fifth sliding block and the sixth sliding block, the rotating shaft penetrates through the first strip-shaped hole and the second strip-shaped hole, one end of the rotating shaft is connected with the fifth sliding block, and the other end of the rotating shaft is connected with the sixth sliding block; a first limiting piece and a second limiting piece are arranged on the bottom plate, and the first limiting piece is used for limiting the first sliding block to slide; the second limiting piece is used for limiting the second sliding block to slide; a third limiting piece and a fourth limiting piece are arranged on the top plate, and the third limiting piece is used for limiting the third sliding block to slide; the fourth limiting part is used for limiting the second sliding block to slide.
Preferably, a third strip-shaped hole is formed in the position, corresponding to the first strip-shaped hole, of at least one first clamping plate, a fifth handle screw is arranged on the fifth sliding block, and the front end of the fifth handle screw penetrates through the third strip-shaped hole to be in threaded connection with the fifth sliding block; at least one the second splint correspond the position in second bar hole is provided with fourth hole, be provided with sixth handle screw on the sixth slider, the front end of sixth handle screw passes fourth hole with sixth slider threaded connection.
Preferably, a fifth strip-shaped groove is formed in the top surface of the bottom plate, and the bottom of the first sliding block and the bottom of the second sliding block are both located in the fifth strip-shaped groove and are in sliding connection with the fifth strip-shaped groove; a sixth strip-shaped groove is formed in the side face of the bottom plate corresponding to the fifth strip-shaped groove; a seventh handle screw is arranged at the bottom of the first sliding block, and the front end of the seventh handle screw penetrates through the sixth groove to be in threaded connection with the first sliding block; an eighth handle screw is arranged at the bottom of the second sliding block, and the front end of the eighth handle screw penetrates through the sixth groove to be in threaded connection with the second sliding block; the top surface of the top plate is provided with a seventh strip-shaped groove, and the top of the third sliding block and the top of the fourth sliding block are both positioned in the seventh strip-shaped groove and are in sliding connection with the seventh strip-shaped groove; an eighth strip-shaped groove is formed in the side face of the top plate corresponding to the seventh strip-shaped groove; a ninth handle screw is arranged at the bottom of the third sliding block, and the front end of the ninth handle screw penetrates through the eighth strip-shaped groove to be in threaded connection with the third sliding block; a tenth handle screw is arranged at the bottom of the fourth sliding block, and the front end of the tenth handle screw penetrates through the eighth strip-shaped groove and is in threaded connection with the fourth sliding block.
Preferably, the top plate comprises a first top plate and a second top plate, and the first top plate and the second top plate are spliced; the length of the seventh groove is the same as that of the top plate; the third slider is provided with a seventh limiting part for limiting the third slider to rotate relative to the first supporting rod, and the fourth slider is provided with an eighth limiting part for limiting the fourth slider to rotate relative to the second supporting rod.
Preferably, a first central shaft is integrally arranged on the first support rod corresponding to the third slide block, and the first central shaft penetrates through the third slide block and is rotatably connected with the third slide block; an eleventh handle screw is arranged on the third sliding block corresponding to the first central shaft, and the front end of the eleventh handle screw is in threaded connection with the first central shaft; a second central shaft is integrally arranged on the second support rod corresponding to the fourth sliding block, penetrates through the fourth sliding block and is rotatably connected with the fourth sliding block; a twelfth handle screw is arranged on the fourth sliding block at a position corresponding to the second central shaft, and the front end of the twelfth handle screw is in threaded connection with the second central shaft.
Preferably, the first clamping plate is positioned on one side of the first supporting rod, which is back to the second supporting rod; the second clamping plate is positioned on one side of the second supporting rod back to the first supporting rod.
The lifting adjusting mechanism for the folding furniture provided by the invention has the following use modes:
in the use mode 1, referring to fig. 1, a fifth slider and a sixth slider are limited at the middle positions of a first support rod and a second support rod, so that a rotating shaft 5 is limited at the middle positions of the first support rod and the second support rod, and a first limiting part, a second limiting part, a third limiting part and a fourth limiting part are adjusted, so that the first limiting part, the second limiting part, the third limiting part and the fourth limiting part remove the limitation on the corresponding sliders, and thus when a top plate is lifted upwards, the first slider and the second slider are close to each other, the third slider and the fourth slider are close to each other, so that the top plate is lifted upwards, and when a preset position is reached, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are adjusted, so that the first limiting part, the second limiting part, the third limiting part and the fourth limiting part limit the corresponding sliders; otherwise, the top plate can be lowered; this completes the vertical raising and lowering of the top plate.
In the use mode 2, referring to fig. 4, the limitation on the fifth slider and the sixth slider is removed, so that the limitation on the rotating shaft is removed, the rotating shaft can slide along the first strip-shaped hole and the second strip-shaped hole, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are adjusted, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part remove the limitation on the corresponding sliders, so that the top plate is lifted from the right end and pressed from the left end, the top plate moves towards the upper side of the first strip-shaped hole while moving upwards and moves towards the lower side of the second strip-shaped hole, the top plate inclines towards the left side to form a certain inclination angle, when the preset position is reached, the fifth slider and the sixth slider are limited, so that the rotating shaft is limited, at the moment, the angle of the top plate can be finely adjusted, and the first limiting part, the second limiting part, the third limiting part and the fourth limiting part can also be directly adjusted, enabling the first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece to limit corresponding sliding blocks; the method for finely adjusting the top plate angle comprises the following steps: 1. the inclination angle of the top plate is enlarged and adjusted: lifting the top plate from the right end again, pressing the top plate from the left end to enable the first slider and the second slider to be close to each other, enabling the third slider and the fourth slider to be close to each other, further enabling the inclination angle of the top plate to be increased, and adjusting the first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece after the angle is adjusted to enable the first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece to limit the corresponding sliders; 2. the inclination angle of the top plate is adjusted to be smaller: the top plate is lifted from the left end, the top plate is pressed from the right end, so that the first slider and the second slider are far away from each other, the third slider and the fourth slider are far away from each other, the inclination angle of the top plate is further reduced, and after the angle is adjusted, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are adjusted, so that the first limiting part, the second limiting part, the third limiting part and the fourth limiting part limit the corresponding sliders; otherwise, the resetting of the top plate can be realized.
The other technical scheme provided by the invention is as follows:
a lifting adjusting mechanism for folding furniture comprises a bottom plate, a top plate, a first supporting rod and a second supporting rod, wherein a first sliding block and a second sliding block are connected to the bottom plate in a sliding mode; one end of the first supporting rod is rotatably connected with the first sliding block, and the other end of the first supporting rod is rotatably connected with the fourth sliding block; one end of the second supporting rod is rotatably connected with the second sliding block, and the other end of the second supporting rod is rotatably connected with the third sliding block; a first strip-shaped hole is formed in the first supporting rod along the length direction of the first supporting rod, first clamping plates are arranged on two sides of the first strip-shaped hole, a fifth sliding block is arranged between the two first clamping plates and is connected with the first clamping plates in a sliding mode, and a fifth limiting part for limiting the fifth sliding block to slide is arranged on at least one first clamping plate; the second support rod is rotatably connected with a rotating shaft, and the rotating shaft penetrates through the first strip-shaped hole to be connected with the fifth sliding block; a first limiting piece and a second limiting piece are arranged on the bottom plate, and the first limiting piece is used for limiting the first sliding block to slide; the second limiting piece is used for limiting the second sliding block to slide; a third limiting piece and a fourth limiting piece are arranged on the top plate, and the third limiting piece is used for limiting the third sliding block to slide; the fourth limiting part is used for limiting the second sliding block to slide. The structure is the same as the above structure in use, and is not described herein again.
Drawings
FIG. 1 is a schematic structural view of a lift adjustment mechanism useful in folding furniture in accordance with the present invention;
FIG. 2 is a schematic view of a first splint;
FIG. 3 is a schematic top view of the base plate;
FIG. 4 is one of the use state diagrams of the lifting adjusting mechanism for folding furniture in embodiment 1;
FIG. 5 is a second state view showing the use state of the lifting adjusting mechanism for the folding furniture in the embodiment 1;
FIG. 6 is a bottom view of the top plate;
FIG. 7 is a schematic view illustrating an arrangement of a first central shaft in the embodiment;
FIG. 8 is a third view showing a state of use of the lifting adjustment mechanism for foldable furniture in the embodiment;
FIG. 9 is one of the use state diagrams of the lifting adjusting mechanism for folding furniture in embodiment 2;
reference numerals in the figures; the novel handle screw comprises a base plate 1, a first slider 1-1, a second slider 1-2, a fifth strip-shaped groove 1-3, a sixth strip-shaped groove 1-4, a seventh handle screw 1-5, an eighth handle screw 1-6, a first central shaft 1-7, a top plate 2, a third slider 2-1, a fourth slider 2-2, a seventh strip-shaped groove 2-3, an eighth strip-shaped groove 2-4, a ninth handle screw 2-5, a tenth handle screw 2-6, a first top plate 2-7, a second top plate 2-8, a first support rod 3, a first strip-shaped hole 3-1, a first clamping plate 3-2, a fifth slider 3-3, a third strip-shaped hole 3-4, a fifth handle screw 3-5, a second support rod 4 and a rotating shaft 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, the present invention provides a lifting adjustment mechanism for a foldable furniture, and referring to fig. 1 to 4, the lifting adjustment mechanism includes a bottom plate 1, a top plate 2, a first support rod 3 and a second support rod 4, wherein the bottom plate is slidably connected with a first slider 1-1 and a second slider 1-2, the top plate is slidably connected with a third slider 2-1 and a fourth slider 2-2, the third slider is disposed corresponding to the first slider, and the fourth slider is disposed corresponding to the second slider; one end of the first supporting rod is rotatably connected with the first sliding block, the first sliding block can be rotatably connected in the prior art generally by riveting and the like, and the other end of the first supporting rod is rotatably connected with the fourth sliding block; one end of the second support rod is rotatably connected with the second sliding block, the second support rod can be rotatably connected with the third sliding block in the conventional mode such as riveting, and the other end of the second support rod is rotatably connected with the third sliding block; a first strip-shaped hole 3-1 is formed in the first supporting rod along the length direction of the first supporting rod, the first strip-shaped hole can also be called as a first strip-shaped groove, first clamping plates 3-2 are arranged on two sides of the first strip-shaped hole, the first clamping plates are located on one sides, back to the second supporting rod, of the first supporting rod, a fifth sliding block 3-3 is arranged between the two first clamping plates, the fifth sliding block is connected with the first clamping plates in a sliding mode, and a fifth limiting part for limiting the fifth sliding block to slide is arranged on at least one first clamping plate; a second strip-shaped hole is formed in the second support rod along the length direction of the second support rod, the second strip-shaped hole can also be called as a second strip-shaped groove, second clamping plates are arranged on two sides of the second strip-shaped hole, the second clamping plates are located on one sides, back to the first support rod, of the second support rod, a sixth sliding block is arranged between the two second clamping plates and is connected with the second clamping plates in a sliding mode, and a sixth limiting piece for limiting the sixth sliding block to slide is arranged on at least one second clamping plate; a rotating shaft 5 is arranged between the fifth sliding block and the sixth sliding block, the rotating shaft penetrates through the first strip-shaped hole and the second strip-shaped hole, one end of the rotating shaft is connected with the fifth sliding block, preferably, the rotating shaft is connected in a rotating mode, and the other end of the rotating shaft is connected with the sixth sliding block, preferably, the rotating shaft is connected in a rotating mode; a first limiting piece and a second limiting piece are arranged on the bottom plate, and the first limiting piece is used for limiting the first sliding block to slide; the second limiting piece is used for limiting the second sliding block to slide; a third limiting piece and a fourth limiting piece are arranged on the top plate, and the third limiting piece is used for limiting the third sliding block to slide; the fourth limiting part is used for limiting the second sliding block to slide.
The lifting adjusting mechanism which can be used for the folding furniture has the following use modes:
in the use mode 1, referring to fig. 1, a fifth slider and a sixth slider are limited at the middle positions of a first support rod and a second support rod, so that a rotating shaft 5 is limited at the middle positions of the first support rod and the second support rod, and a first limiting part, a second limiting part, a third limiting part and a fourth limiting part are adjusted, so that the first limiting part, the second limiting part, the third limiting part and the fourth limiting part remove the limitation on the corresponding sliders, and thus when a top plate is lifted upwards, the first slider and the second slider are close to each other, the third slider and the fourth slider are close to each other, so that the top plate is lifted upwards, and when a preset position is reached, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are adjusted, so that the first limiting part, the second limiting part, the third limiting part and the fourth limiting part limit the corresponding sliders; otherwise, the top plate can be lowered; this completes the vertical raising and lowering of the top plate.
In the use mode 2, referring to fig. 4, the limitation on the fifth slider and the sixth slider is removed, so that the limitation on the rotating shaft is removed, the rotating shaft can slide along the first strip-shaped hole and the second strip-shaped hole, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are adjusted, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part remove the limitation on the corresponding sliders, so that the top plate is lifted from the right end and pressed from the left end, the top plate moves towards the upper side of the first strip-shaped hole while moving upwards and moves towards the lower side of the second strip-shaped hole, the top plate inclines towards the left side to form a certain inclination angle, when the preset position is reached, the fifth slider and the sixth slider are limited, so that the rotating shaft is limited, at the moment, the angle of the top plate can be finely adjusted, and the first limiting part, the second limiting part, the third limiting part and the fourth limiting part can also be directly adjusted, enabling the first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece to limit corresponding sliding blocks; the method for finely adjusting the top plate angle comprises the following steps: 1. the inclination angle of the top plate is enlarged and adjusted: lifting the top plate from the right end again, pressing the top plate from the left end to enable the first slider and the second slider to be close to each other, enabling the third slider and the fourth slider to be close to each other, further enabling the inclination angle of the top plate to be increased, and adjusting the first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece after the angle is adjusted to enable the first limiting piece, the second limiting piece, the third limiting piece and the fourth limiting piece to limit the corresponding sliders; 2. the inclination angle of the top plate is adjusted to be smaller: the top plate is lifted from the left end, the top plate is pressed from the right end, so that the first slider and the second slider are far away from each other, the third slider and the fourth slider are far away from each other, the inclination angle of the top plate is further reduced, and after the angle is adjusted, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are adjusted, so that the first limiting part, the second limiting part, the third limiting part and the fourth limiting part limit the corresponding sliders; otherwise, the resetting of the top plate can be realized. Referring to fig. 5, the adjustment of the top plate to incline to the right is performed in the same manner as in fig. 4, and the description thereof is omitted. When the structure is used in practice, the top plate can be fixedly connected with a board of which the height of the folding furniture needs to be adjusted, the bottom plate can be fixed on the supporting board, the bottom plate and the top plate are directly connected with the board to form simple folding furniture for use, and the folding furniture can be used as an easel, a table and the like
A third strip-shaped hole 3-4 is formed in a position, corresponding to the first strip-shaped hole, of at least one first clamping plate, the third strip-shaped hole can also be called as a third strip-shaped groove, a fifth handle screw 3-5 is arranged on the fifth sliding block, the fifth handle screw can be of an existing structure such as a rubber head screw and a plum handle screw, the front end of the fifth handle screw penetrates through the third strip-shaped hole to be in threaded connection with the fifth sliding block, when the limiting device is used, the fifth handle screw is rotated to enable a handle of the fifth handle screw to be close to the first clamping plate until the fifth sliding block is abutted against the first clamping plate, so that the limiting of the fifth sliding block can be achieved, and the limitation of the fifth sliding block can be relieved by loosening the fifth handle screw; the setting mode of the sixth limiting part may be the same as that of the fifth limiting part, specifically, at least one of the second clamping plates is provided with a fourth hole at a position corresponding to the second strip-shaped hole, the sixth slider is provided with a sixth handle screw, and the front end of the sixth handle screw penetrates through the fourth hole and is in threaded connection with the sixth slider.
The following are the setting modes of a first limiting piece, a second limiting piece, a third limiting piece and a fourth limiting piece, referring to fig. 1 and fig. 3, a fifth strip-shaped groove 1-3 is arranged on the top surface of the bottom plate, and the bottom of the first sliding block and the bottom of the second sliding block are both positioned in the fifth strip-shaped groove and are in sliding connection with the fifth strip-shaped groove; a sixth strip-shaped groove 1-4 is formed in the side face of the bottom plate corresponding to the fifth strip-shaped groove; a seventh handle screw 1-5 is arranged at the bottom of the first sliding block, and the front end of the seventh handle screw penetrates through the sixth strip-shaped groove to be in threaded connection with the first sliding block; an eighth handle screw 1-6 is arranged at the bottom of the second sliding block, and the front end of the eighth handle screw penetrates through the sixth strip-shaped groove to be in threaded connection with the second sliding block; when the handle is used, the seventh handle screw is rotated to enable the handle of the seventh handle screw to be close to the bottom plate until the first sliding block is abutted against the inner wall of the fifth strip-shaped groove, so that the first sliding block can be limited, and the limitation on the first sliding block can be relieved by loosening the seventh handle screw; similarly, the limitation and the limitation removal of the second sliding block can be realized by adjusting the eighth handle. Referring to fig. 1 and 6, a seventh groove 2-3 is formed in the top surface of the top plate, and the top of the third slider and the top of the fourth slider are both located in the seventh groove and are slidably connected with the seventh groove; an eighth strip-shaped groove 2-4 is formed in the side face of the top plate corresponding to the seventh strip-shaped groove; a ninth handle screw 2-5 is arranged at the bottom of the third sliding block, and the front end of the ninth handle screw penetrates through the eighth strip-shaped groove to be in threaded connection with the third sliding block; a tenth handle screw 2-6 is arranged at the bottom of the fourth sliding block, and the front end of the tenth handle screw penetrates through the eighth strip-shaped groove to be in threaded connection with the fourth sliding block; when the screw is used, the ninth handle screw is rotated to enable the handle of the ninth handle screw to be close to the top plate until the third sliding block is abutted against the inner wall of the seventh groove, so that the third sliding block can be limited, and the limitation on the third sliding block can be relieved by loosening the ninth handle screw; similarly, the limitation and the limitation removal of the fourth sliding block can be realized by adjusting the tenth handle.
As a preferred embodiment, referring to fig. 6, the top plate comprises a first top plate 2-7 and a second top plate 2-8, and the first top plate and the second top plate are inserted into each other to be connected in a plugging manner; the length of the seventh groove is the same as that of the top plate; the third slider is provided with a seventh limiting part for limiting the third slider to rotate relative to the first supporting rod, and the fourth slider is provided with an eighth limiting part for limiting the fourth slider to rotate relative to the second supporting rod. When the structure is used, the first top plate and the second top plate can be used in a combined manner, or the first top plate and the second top plate can be used independently, when the first top plate and the first bottom plate are disassembled, the rotating shaft can be limited at the middle position of the first supporting rod and the second supporting rod in a manner of referring to fig. 1, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are adjusted, so that the first limiting part, the second limiting part, the third limiting part and the fourth limiting part limit the corresponding sliding blocks, the top plate is pressed down, the horizontal acting force of the first sliding block and the second sliding block acts on the connecting position of the first limiting part and the second limiting part, and the first top plate and the second top plate are separated; after separation, the first top plate and the second top plate can be adjusted to be in angle and then limited by corresponding limiting parts, the height and the relative angle are adjusted, the use is more flexible, the structure can enable the first top plate and the second top plate to be fixedly connected with two plates of folding furniture needing height adjustment so as to be matched for use, for example, the first top plate and the second top plate are adjusted to be in the form shown in fig. 8, and generally, counter bores can be arranged in seventh strip-shaped grooves of the first top plate and the second top plate so as to be convenient to fix.
A seventh limiting element and an eighth limiting element are arranged below, referring to fig. 7, a first central shaft 1-7 is integrally arranged at a position, corresponding to the third slider, on the first support rod, and the first central shaft penetrates through the third slider and is rotatably connected with the third slider; an eleventh handle screw is arranged on the third sliding block corresponding to the first central shaft, and the front end of the eleventh handle screw is in threaded connection with the first central shaft; a second central shaft is integrally arranged on the second support rod corresponding to the fourth sliding block, penetrates through the fourth sliding block and is rotatably connected with the fourth sliding block; a twelfth handle screw is arranged on the fourth sliding block at a position corresponding to the second central shaft, and the front end of the twelfth handle screw is in threaded connection with the second central shaft. This structure can support first center pin through rotatory eleventh handle screw, realizes spacing to first center pin, can support the second center pin through rotatory twelfth handle screw, realizes spacing to first center pin.
In embodiment 2, the structure of embodiment 2 is substantially the same as that of embodiment 1, except that a sixth limiting member is not disposed on the second support rod, but the rotating shaft is directly disposed on the second support rod, specifically, the lifting adjustment mechanism for folding furniture includes a bottom plate 1, a top plate 2, a first support rod 3 and a second support rod 4, the bottom plate is slidably connected with a first slider 1-1 and a second slider 1-2, the top plate is slidably connected with a third slider 2-1 and a fourth slider 2-2, the third slider is disposed corresponding to the first slider, and the fourth slider is disposed corresponding to the second slider; one end of the first supporting rod is rotatably connected with the first sliding block, and the other end of the first supporting rod is rotatably connected with the fourth sliding block; one end of the second supporting rod is rotatably connected with the second sliding block, and the other end of the second supporting rod is rotatably connected with the third sliding block; a first strip-shaped hole 3-1 is formed in the first supporting rod along the length direction of the first supporting rod, first clamping plates 3-2 are arranged on two sides of the first strip-shaped hole, the first clamping plates are located on one sides, back to the second supporting rod, of the first supporting rod, a fifth sliding block 3-3 is arranged between the two first clamping plates, the fifth sliding block is connected with the first clamping plates in a sliding mode, and a fifth limiting piece for limiting the fifth sliding block to slide is arranged on at least one first clamping plate; the second support rod is rotatably connected with a rotating shaft 5, and the rotating shaft penetrates through the first strip-shaped hole to be connected with the fifth sliding block, preferably, rotatably connected; a first limiting piece and a second limiting piece are arranged on the bottom plate, and the first limiting piece is used for limiting the first sliding block to slide; the second limiting piece is used for limiting the second sliding block to slide; a third limiting piece and a fourth limiting piece are arranged on the top plate, and the third limiting piece is used for limiting the third sliding block to slide; the fourth limiting part is used for limiting the second sliding block to slide.
When the structure is used for adjusting the angle of the top plate, the rotating shaft can only slide along the strip-shaped hole of the first supporting rod, so that the adjusting range is relatively smaller compared with the structure of the embodiment 1, as shown in fig. 9.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A lifting adjusting mechanism for folding furniture comprises a bottom plate (1), a top plate (2), a first supporting rod (3) and a second supporting rod (4), wherein the bottom plate is connected with a first sliding block (1-1) and a second sliding block (1-2) in a sliding mode, the top plate is connected with a third sliding block (2-1) and a fourth sliding block (2-2) in a sliding mode, the third sliding block is arranged corresponding to the first sliding block, and the fourth sliding block is arranged corresponding to the second sliding block; one end of the first supporting rod is rotatably connected with the first sliding block, and the other end of the first supporting rod is rotatably connected with the fourth sliding block; one end of the second supporting rod is rotatably connected with the second sliding block, and the other end of the second supporting rod is rotatably connected with the third sliding block; the support is characterized in that a first strip-shaped hole (3-1) is formed in the first support rod along the length direction of the first support rod, first clamping plates (3-2) are arranged on two sides of the first strip-shaped hole, a fifth sliding block (3-3) is arranged between the two first clamping plates, the fifth sliding block is connected with the first clamping plates in a sliding mode, and a fifth limiting part for limiting the fifth sliding block to slide is arranged on at least one first clamping plate;
a second strip-shaped hole is formed in the second support rod along the length direction of the second support rod, second clamping plates are arranged on two sides of the second strip-shaped hole, a sixth sliding block is arranged between the two second clamping plates and is connected with the second clamping plates in a sliding mode, and a sixth limiting part for limiting the sixth sliding block to slide is arranged on at least one second clamping plate;
a rotating shaft (5) is arranged between the fifth sliding block and the sixth sliding block, the rotating shaft penetrates through the first strip-shaped hole and the second strip-shaped hole, one end of the rotating shaft is connected with the fifth sliding block, and the other end of the rotating shaft is connected with the sixth sliding block;
a first limiting piece and a second limiting piece are arranged on the bottom plate, and the first limiting piece is used for limiting the first sliding block to slide; the second limiting piece is used for limiting the second sliding block to slide;
a third limiting piece and a fourth limiting piece are arranged on the top plate, and the third limiting piece is used for limiting the third sliding block to slide; the fourth limiting part is used for limiting the second sliding block to slide.
2. The lifting adjusting mechanism for the folding furniture as claimed in claim 1, wherein a third strip-shaped hole (3-4) is provided on at least one of the first clamping plates at a position corresponding to the first strip-shaped hole, a fifth handle screw (3-5) is provided on the fifth slider, and the front end of the fifth handle screw passes through the third strip-shaped hole and is in threaded connection with the fifth slider;
at least one the second splint correspond the position in second bar hole is provided with fourth hole, be provided with sixth handle screw on the sixth slider, the front end of sixth handle screw passes fourth hole with sixth slider threaded connection.
3. The lifting adjusting mechanism for the folding furniture according to claim 2, characterized in that the top surface of the bottom plate is provided with a fifth strip-shaped groove (1-3), and the bottom of the first slider and the bottom of the second slider are both positioned in the fifth strip-shaped groove and are connected with the fifth strip-shaped groove in a sliding manner; a sixth strip-shaped groove (1-4) is formed in the side face of the bottom plate corresponding to the fifth strip-shaped groove; a seventh handle screw (1-5) is arranged at the bottom of the first sliding block, and the front end of the seventh handle screw penetrates through the sixth strip-shaped groove to be in threaded connection with the first sliding block; an eighth handle screw (1-6) is arranged at the bottom of the second sliding block, and the front end of the eighth handle screw penetrates through the sixth strip-shaped groove to be in threaded connection with the second sliding block;
a seventh strip-shaped groove (2-3) is formed in the top surface of the top plate, and the top of the third sliding block and the top of the fourth sliding block are both positioned in the seventh strip-shaped groove and are in sliding connection with the seventh strip-shaped groove; an eighth strip-shaped groove (2-4) is formed in the side face of the top plate corresponding to the seventh strip-shaped groove; a ninth handle screw (2-5) is arranged at the bottom of the third sliding block, and the front end of the ninth handle screw penetrates through the eighth strip-shaped groove to be in threaded connection with the third sliding block; a tenth handle screw (2-6) is arranged at the bottom of the fourth sliding block, and the front end of the tenth handle screw penetrates through the eighth strip-shaped groove to be in threaded connection with the fourth sliding block.
4. A lifting adjustment mechanism for a folding furniture piece according to claim 3, characterised in that the top plate comprises a first top plate (2-7) and a second top plate (2-8), which are inserted;
the length of the seventh groove is the same as that of the top plate;
the third slider is provided with a seventh limiting part for limiting the third slider to rotate relative to the first supporting rod, and the fourth slider is provided with an eighth limiting part for limiting the fourth slider to rotate relative to the second supporting rod.
5. The lifting adjusting mechanism for folding furniture according to claim 4, characterized in that a first central shaft (1-7) is integrally arranged on the first supporting rod at a position corresponding to the third sliding block, and the first central shaft penetrates through the third sliding block and is rotatably connected with the third sliding block; an eleventh handle screw is arranged on the third sliding block corresponding to the first central shaft, and the front end of the eleventh handle screw is in threaded connection with the first central shaft;
a second central shaft is integrally arranged on the second support rod corresponding to the fourth sliding block, penetrates through the fourth sliding block and is rotatably connected with the fourth sliding block; a twelfth handle screw is arranged on the fourth sliding block at a position corresponding to the second central shaft, and the front end of the twelfth handle screw is in threaded connection with the second central shaft.
6. The lift adjustment mechanism of claim 1, wherein said first clamp plate is positioned on a side of said first support bar opposite said second support bar;
the second clamping plate is positioned on one side of the second supporting rod back to the first supporting rod.
7. A lifting adjusting mechanism for folding furniture comprises a bottom plate (1), a top plate (2), a first supporting rod (3) and a second supporting rod (4), wherein the bottom plate is connected with a first sliding block (1-1) and a second sliding block (1-2) in a sliding mode, the top plate is connected with a third sliding block (2-1) and a fourth sliding block (2-2) in a sliding mode, the third sliding block is arranged corresponding to the first sliding block, and the fourth sliding block is arranged corresponding to the second sliding block; one end of the first supporting rod is rotatably connected with the first sliding block, and the other end of the first supporting rod is rotatably connected with the fourth sliding block; one end of the second supporting rod is rotatably connected with the second sliding block, and the other end of the second supporting rod is rotatably connected with the third sliding block; the support is characterized in that a first strip-shaped hole (3-1) is formed in the first support rod along the length direction of the first support rod, first clamping plates (3-2) are arranged on two sides of the first strip-shaped hole, a fifth sliding block (3-3) is arranged between the two first clamping plates, the fifth sliding block is connected with the first clamping plates in a sliding mode, and a fifth limiting part for limiting the fifth sliding block to slide is arranged on at least one first clamping plate;
the second supporting rod is rotatably connected with a rotating shaft (5),
the rotating shaft penetrates through the first strip-shaped hole and is connected with the fifth sliding block;
a first limiting piece and a second limiting piece are arranged on the bottom plate, and the first limiting piece is used for limiting the first sliding block to slide; the second limiting piece is used for limiting the second sliding block to slide;
a third limiting piece and a fourth limiting piece are arranged on the top plate, and the third limiting piece is used for limiting the third sliding block to slide; the fourth limiting part is used for limiting the second sliding block to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210042368.9A CN114343324B (en) | 2022-01-14 | 2022-01-14 | Lifting adjusting mechanism for folding furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210042368.9A CN114343324B (en) | 2022-01-14 | 2022-01-14 | Lifting adjusting mechanism for folding furniture |
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| Publication Number | Publication Date |
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| CN114343324A true CN114343324A (en) | 2022-04-15 |
| CN114343324B CN114343324B (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210042368.9A Active CN114343324B (en) | 2022-01-14 | 2022-01-14 | Lifting adjusting mechanism for folding furniture |
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| CN (1) | CN114343324B (en) |
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|---|---|---|---|---|
| CN2645508Y (en) * | 2003-05-13 | 2004-10-06 | 于新堂 | Height and obliquity adjustable folding table |
| JP2015139662A (en) * | 2014-01-30 | 2015-08-03 | 及樺實業股▲ふん▼有限公司 | Structure of desk having adjustable angle |
| KR20150145842A (en) * | 2014-06-19 | 2015-12-31 | 여운 | Tilt-adjustable lifting device |
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| Publication number | Publication date |
|---|---|
| CN114343324B (en) | 2023-01-24 |
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