CN211998710U - Telescopic folding device - Google Patents
Telescopic folding device Download PDFInfo
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- CN211998710U CN211998710U CN202020695699.9U CN202020695699U CN211998710U CN 211998710 U CN211998710 U CN 211998710U CN 202020695699 U CN202020695699 U CN 202020695699U CN 211998710 U CN211998710 U CN 211998710U
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- telescopic
- scissor
- rod
- folding device
- connecting rod
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- 238000005096 rolling process Methods 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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Abstract
The utility model discloses a telescopic folding device, which comprises two telescopic units respectively positioned on a first row and a second row, wherein the two telescopic units are connected through a connecting rod; the telescopic units respectively comprise a plurality of scissor bodies which are sequentially connected, and plane retainers are respectively arranged between two adjacent connecting ends on the rotating shaft of the connecting rod, between the connecting ends and the end surface of the body, and between the connecting ends and the first nut, and the plane retainers are rotatably sleeved on the rotating shaft; the plane retainer including being the annular ring body of circle, just the ring body along equal interval on the terminal surface at axial both ends be equipped with a plurality of axial mounting hole, just the axial mounting hole in rotationally be equipped with the ball. The plane retainer changes sliding friction on two sides of the scissor rods into rolling friction, so that friction force between the scissor rods is reduced, and structural stability of the scissor body is improved.
Description
Technical Field
The application relates to the field of telescopic structures, in particular to a telescopic folding device.
Background
The telescopic folding structure is a structure which can be unfolded when in use and folded when not in use, can be generally repeatedly used, and has small volume after being folded.
The existing telescopic folding structure generally adopts a horizontal scissor structure, the horizontal scissor structure comprises an outer scissor rod and an inner scissor rod which are hinged at the middle, but the hinged point has larger friction and needs larger force to drive the structure to unfold, and in practical application, the scissor structure can become an unstable structure body when undergoing large rigid motion and also has self deformation motion, such as horizontal left-right deflection and bending, and the characteristics of mutual influence and strong coupling of the rigid motion and the deformation motion are shown, so that the scissor structure is easy to deform and even damage.
However, in the process of implementing the technical solution in the embodiment of the present application, the inventor of the present application finds that the above prior art has at least the following technical problems:
in the prior art, the scissors fork structure has large friction at the hinge joint of the outer scissors fork rod and the inner scissors fork rod, so that large force is needed during use, and the structure is unstable, so that the scissors fork body structure is easy to deform and even damage.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a flexible folding device for there is great friction in the articulated point department of shearing fork structure shearing fork pole and interior shearing fork pole outside, needs great power during the use, and the structure is unstable among the solution prior art, makes the technical problem that the fork body structure warp even damage very easily. The embodiment of the application sets up the plane holder through the internal both sides of each scissors pole of scissors fork set up the fit-up gap between two scissors poles, and the both sides of plane holder all are equipped with rotatable ball to become the sliding friction of scissors pole both sides rolling friction, reduced the frictional force between two scissors poles, alleviateed the crooked and the rocking degree of the scissors body, thereby improved the structural stability of the scissors body, realized flexible not hard, stable in structure's technological effect.
In order to solve the above problems, an embodiment of the present application provides a telescopic folding device, where the device includes two telescopic units respectively located in a first row and a second row, the two telescopic units are symmetrically arranged, and the two telescopic units are connected by a plurality of parallel connecting rods;
the telescopic units respectively comprise a plurality of scissor bodies which are sequentially connected, each scissor body comprises two scissor rods which are arranged in a crossed manner and are hinged in the middle, and connecting ends are arranged at two ends of each scissor rod; two adjacent connecting ends which are positioned in the first row and respectively belong to the two scissor bodies are hinged on the first end of the connecting rod, and two adjacent connecting ends which are positioned in the second row and respectively belong to the two scissor bodies are hinged on the second end of the connecting rod;
the connecting rod comprises a body positioned in the middle and rotating shafts respectively positioned at the first end and the second end, the rotating shafts are coaxially and fixedly connected with the body, the rotating shafts are thinner than the body, the connecting ends are provided with shaft holes, the shaft holes on the two connecting ends positioned on the same rotating shaft are sequentially and rotatably sleeved on the rotating shafts, and the rotating shafts are also provided with first nuts for tightly abutting the connecting ends on the end surface of the body;
planar retainers are arranged between every two adjacent connecting ends on the rotating shaft, between the connecting ends and the end face of the body and between the connecting ends and the first nut, the planar retainers are rotatably sleeved on the rotating shaft, and annular grooves for containing the planar retainers are arranged on two sides of the connecting ends and the end face of the body;
the plane retainer including being the annular ring body of circle, just the ring body along the equal interval on the terminal surface at axial both ends be equipped with a plurality of axial mounting hole, the axial mounting hole in rotationally be equipped with the ball, just the diameter of ball is greater than the aperture of axial mounting hole.
Furthermore, the middle of each scissor rod is provided with a hinge through hole, the hinge through holes of the two scissor rods in the same scissor body are aligned and communicated, the screw rod is communicated with the hinge through holes of the two scissor rods in the same scissor body, and the two ends of the screw rod are screwed with second nuts.
Furthermore, the device also comprises a driving part for driving the telescopic unit to stretch along a first direction, the driving part is positioned at one end of the telescopic unit along the first direction, the driving part comprises a mounting plate, two sliding plates are respectively arranged at two sides of the mounting plate corresponding to the two telescopic units, sliding grooves are formed in the sliding plates, the sliding grooves extend along a second direction, and the second direction is perpendicular to the first direction;
two sides of the mounting plate are respectively provided with two lugs corresponding to the two telescopic units, the lugs are provided with rotating holes, and the central axis direction of the rotating holes is parallel to the connecting rod; two ends of one of the two connecting rods closest to the mounting plate are respectively connected with a first extension rod, a first bearing is arranged between the first extension rod and the sliding chute, and the first bearing is sleeved on the first extension rod;
two ends of the other connecting rod of the two connecting rods closest to the mounting plate are respectively connected with a second extension rod, the second extension rod penetrates through the rotating hole, a second bearing is arranged between the second extension rod and the rotating hole, and the second bearing is sleeved on the second extension rod;
the driving device further comprises a linear motor, the linear motor is fixed on the mounting plate, and an output shaft of the linear motor is vertically and fixedly connected with the connecting rod on the sliding plate.
Furthermore, the other end of the telescopic unit along the first direction is provided with two cantilevers for installing a telescopic piece, and the inner ends of the cantilevers are respectively hinged to two ends of the connecting rod closest to the cantilevers.
Furthermore, six mounting holes are formed in the plane retainer at equal intervals.
Furthermore, both ends of the scissor rod are arc-shaped.
Furthermore, both ends of the sliding groove are arc-shaped.
Furthermore, the first extension rod and the corresponding connecting rod are coaxially arranged, and the first extension rod is fixedly connected with the corresponding connecting rod.
Furthermore, the second extension rod and the corresponding connecting rod are coaxially arranged, and the second extension rod is fixedly connected with the corresponding connecting rod.
Further, the groove depth of the ring groove is smaller than the thickness of the ring body of the plane retainer.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
1. in this embodiment, the both sides of each scissors pole in the scissors fork body all be equipped with the plane holder, the scissors pole install the back on the connecting rod, the fit-up gap between two scissors poles has been reduced, and the both sides of plane holder all are equipped with rotatable ball, thereby become rolling friction with the sliding friction of scissors pole both sides, frictional force between the scissors pole has been reduced, the crooked and the rocking degree of the scissors fork body has been alleviateed, thereby the structural stability of the scissors fork body has been improved, effectively solved among the prior art because the scissors structure has great friction in the articulated point department of outer scissors pole and interior scissors pole, need great power during the use, and the structure is unstable, make the scissors fork body structure extremely easy technical problem that warp even damage, realized flexible not hard, stable in structure's technological effect.
2. In this embodiment, the symmetry sets up two flexible units, can make whole flexible folding device more steady at flexible in-process.
The above description is only an overview of the technical solutions of the present application, and the present application may be implemented in accordance with the following description in order to make the technical means of the present application more clearly understood, and the detailed description of the present application will be given below in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
Fig. 1 is a schematic structural view of a telescopic folding device in an embodiment of the present invention;
FIG. 2 is a schematic axial view of a connecting rod according to an embodiment of the present invention;
FIG. 3 is a front view of a connecting rod according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is an assembly view of the connecting rod and the scissor rod in an embodiment of the present invention;
fig. 6 is a schematic view of the connection rod and the scissors rod according to the embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;
fig. 8 is a schematic structural view of a flat cage according to an embodiment of the present invention.
Description of reference numerals: the connecting rod comprises a scissor rod 110, a hinge through hole 111, a shaft hole 112, a connecting rod 120, ring grooves 113 and 123, a body 121, a rotating shaft 122, a plane retainer 130, an axial mounting hole 131, a first nut 140, a second nut 150, a first extension rod 160, a second extension rod 170, a mounting plate 210, a sliding plate 230, a sliding groove 231, a lug 240 and a cantilever 300.
Detailed Description
The embodiment of the application provides a flexible folding device for there is great friction in the articulated point department of shearing fork structure shearing fork pole and interior shearing fork pole outside, needs great power during the use, and the structure is unstable among the solution prior art, makes the technical problem that the fork body structure warp even damage very easily.
In order to solve the technical problems, the technical scheme provided by the application has the following general idea: through the in vivo both sides of each scissors pole of scissors set up the plane holder of scissors, the scissors pole install the back on the connecting rod, the fit-up gap between two scissors poles has been reduced, and the both sides of plane holder all are equipped with rotatable ball, thereby become the sliding friction of scissors pole both sides into rolling friction, frictional force between the scissors pole has been reduced, the crooked and the rocking degree of the scissors body has been alleviateed, thereby the structural stability of the scissors body has been improved, effectively solved among the prior art because the scissors structure has great friction in the articulated point department of outer scissors pole and interior scissors pole, need great power during the use, and the structure is unstable, make the technical problem that the scissors body structure is extremely easy to warp and even damage, realized flexible not hard, stable in structure's technological effect.
The technical solutions of the present application are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
Fig. 1 is a schematic structural view of a telescopic folding device provided in an embodiment of the present application, and as shown in fig. 1, the device includes two telescopic units respectively located in a first row and a second row, the two telescopic units are symmetrically arranged, and the two telescopic units are connected by a plurality of connecting rods 120 parallel to each other.
Specifically, two telescopic units are symmetrically arranged, so that the whole telescopic folding device is more stable in the telescopic process.
As shown in fig. 1, each of the telescopic units includes a plurality of sequentially connected fork bodies, each of the fork bodies includes two fork rods 110 that are arranged in a cross manner and are hinged in the middle, and both ends of each of the fork rods 110 are provided with a connecting end; two adjacent connecting ends which are positioned in the first row and respectively belong to the two scissors bodies are hinged on the first end of the connecting rod 120, and two adjacent connecting ends which are positioned in the second row and respectively belong to the two scissors bodies are hinged on the second end of the connecting rod 120.
Specifically, the two telescopic units may be symmetrically arranged in a left-right or front-back manner, and the symmetry axis is a central line between the two telescopic units.
As shown in fig. 2 to 4, the connecting rod 120 includes a body 121 located in the middle and a rotating shaft 122 located at the first end and the second end respectively, the rotating shaft 122 is coaxially and fixedly connected with the body 121, the rotating shaft 122 is thinner than the body 121, the connecting end is provided with a shaft hole 112, the shaft holes 112 located on two connecting ends of the same rotating shaft 122 are sequentially and rotatably sleeved on the rotating shaft 122, and the rotating shaft 122 is further provided with a first nut 140 which tightly abuts against the connecting ends on the end surface of the body 121.
Specifically, the body 121 of the connecting rod 120 and the rotating shaft 122 located at both ends of the body 121 are both round rods, and the diameter of the rotating shaft 122 is smaller than that of the body 121, so that a portion of the end surface of the body 121, which exceeds the rotating shaft 122, forms a limiting surface for blocking the slip-off of the scissor rod 110.
As shown in fig. 5 to 7, two adjacent plane retainers 130 are respectively disposed on the rotating shaft 122 between the connecting ends, between the connecting ends and the end surfaces of the body 121, and between the connecting ends and the first nuts 140, the plane retainers 130 are rotatably sleeved on the rotating shaft 122, and the two sides of the connecting ends and the end surfaces of the body 121 are respectively provided with ring grooves 113 and 123 for accommodating the plane retainers 130.
As shown in fig. 8, the plane retainer 130 includes a ring-shaped ring body, and a plurality of axial mounting holes 131 are respectively formed on end surfaces of two axial ends of the ring body at intervals, and balls are rotatably disposed in the axial mounting holes 131, and diameters of the balls are larger than diameters of the axial mounting holes 131.
In this embodiment, the two sides of each scissor rod 110 in the scissor body are provided with the plane retainers 130, after the scissor rods 110 are mounted on the connecting rod 120, the assembly gap between the two scissor rods 110 is reduced, and the two sides of the plane retainers 130 are provided with the rotatable balls, so that the sliding friction on the two sides of the scissor rods 110 is changed into rolling friction, the friction between the scissor rods 110 is reduced, the bending and shaking degree of the scissor body is reduced, and the structural stability of the scissor body is improved.
Further, the middle of each scissor rod 110 is provided with a hinge through hole 111, the hinge through holes 111 of two scissor rods 110 in the same scissor body are aligned and communicated, the screw rod is communicated with the hinge through holes 111 of two scissor rods 110 in the same scissor body, and the two ends of the screw rod are screwed with second nuts 150.
Further, the device further comprises a driving part for driving the telescopic unit to extend and retract along a first direction, the driving part is located at one end of the telescopic unit along the first direction, the driving part comprises a mounting plate 210, two sliding plates 230 are respectively arranged on two sides of the mounting plate 210 corresponding to the two telescopic units, sliding grooves 231 are formed in the sliding plates 230, the sliding grooves 231 extend along a second direction, and the second direction is perpendicular to the first direction; two sides of the mounting plate 210 are respectively provided with two lugs 240 corresponding to the two telescopic units, and the lugs 240 are provided with rotation holes, and the central axis direction of the rotation holes is parallel to the connecting rod 120.
Specifically, referring to the drawings, the first direction is a left-right direction, and the second direction is an up-down direction.
Two ends of one connecting rod 120 of the two connecting rods 120 closest to the mounting plate 210 are respectively connected with a first extension rod 160, the first extension rod 160 penetrates through the sliding groove 231 and is slidably arranged in the sliding groove 231, a first bearing is arranged between the first extension rod 160 and the sliding groove 231, and the first bearing is fixedly sleeved on the first extension rod 160.
The two ends of the other connecting rod 120, which is closest to the two connecting rods 120 of the mounting plate 210, are respectively connected with a second extension rod 170, the second extension rod 170 penetrates through the rotating hole, a second bearing is arranged between the second extension rod 170 and the rotating hole, and the second extension rod 170 is fixedly sleeved with the second bearing.
The driving device further comprises a linear motor 220, the linear motor 220 is fixed on the mounting plate 210, and an output shaft of the linear motor 220 is vertically and fixedly connected with the connecting rod 120 on the sliding plate 230.
Specifically, the linear motor 220 is connected to a power supply and a switch, and the linear motor 220 drives the connecting rod 120 on the sliding plate 230 to move up and down along the sliding groove 231 after being started, so that the scissors fork body can be unfolded or folded, and automatic extension and retraction can be realized.
Further, the other end of the telescopic unit along the first direction is provided with two cantilevers 300 for installing the telescopic member, and the inner ends of the cantilevers 300 are respectively hinged on the two ends of the connecting rod 120 closest to the cantilevers 300.
Specifically, the two ends of the telescopic part to be stretched are respectively fixed on the two cantilevers 300, so that the telescopic part can be stretched, for example, the two ends of the clothes airing rod are respectively fixed on the two cantilevers 300, so that the clothes airing rod can be stretched, the clothes airing rod is retracted when clothes are not aired, and the clothes airing rod is stretched out of a balcony to obtain better illumination after the clothes are hung.
Furthermore, six mounting holes are formed in the flat retainer 130 at equal intervals.
Further, both ends of the scissor rod 110 are arc-shaped.
Further, both ends of the sliding slot 231 are arc-shaped.
Further, the first extension rod 160 is coaxially disposed with the corresponding connecting rod 120, and the first extension rod 160 is fixedly connected with the corresponding connecting rod 120.
Further, the second extension rod 170 is coaxially disposed with the corresponding connecting rod 120, and the second extension rod 170 is fixedly connected with the corresponding connecting rod 120.
Further, the groove depth of the ring grooves 113 and 123 is smaller than the thickness of the ring body of the flat cage 130.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
1. in this embodiment, the two sides of each scissor rod 110 in the scissor body are respectively provided with the plane retainer 130, after the scissor rods 110 are installed on the connecting rod 120, the assembly gap between the two scissor rods 110 is reduced, and the two sides of the plane retainer 130 are respectively provided with the rotatable balls, so that the sliding friction on the two sides of the scissor rods 110 is changed into rolling friction, the friction force between the scissor rods 110 is reduced, the bending and shaking degree of the scissor body is reduced, and the structural stability of the scissor body is improved.
2. In this embodiment, the symmetry sets up two flexible units, can make whole flexible folding device more steady at flexible in-process.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, it is intended that the present invention also include such modifications and variations as come within the scope of the claims.
Claims (10)
1. A telescopic folding device is characterized by comprising two telescopic units which are respectively positioned in a first row and a second row, wherein the two telescopic units are symmetrically arranged and are connected through a plurality of connecting rods which are parallel to each other;
the telescopic units respectively comprise a plurality of scissor bodies which are sequentially connected, each scissor body comprises two scissor rods which are arranged in a crossed manner and are hinged in the middle, and connecting ends are arranged at two ends of each scissor rod; two adjacent connecting ends which are positioned in the first row and respectively belong to the two scissor bodies are hinged on the first end of the connecting rod, and two adjacent connecting ends which are positioned in the second row and respectively belong to the two scissor bodies are hinged on the second end of the connecting rod;
the connecting rod comprises a body positioned in the middle and rotating shafts respectively positioned at the first end and the second end, the rotating shafts are coaxially and fixedly connected with the body, the rotating shafts are thinner than the body, the connecting ends are provided with shaft holes, the shaft holes on the two connecting ends positioned on the same rotating shaft are sequentially and rotatably sleeved on the rotating shafts, and the rotating shafts are also provided with first nuts for tightly abutting the connecting ends on the end surface of the body;
planar retainers are arranged between every two adjacent connecting ends on the rotating shaft, between the connecting ends and the end face of the body and between the connecting ends and the first nut, the planar retainers are rotatably sleeved on the rotating shaft, and annular grooves for containing the planar retainers are arranged on two sides of the connecting ends and the end face of the body;
the plane retainer including being the annular ring body of circle, just the ring body along the equal interval on the terminal surface at axial both ends be equipped with a plurality of axial mounting hole, the axial mounting hole in rotationally be equipped with the ball, just the diameter of ball is greater than the aperture of axial mounting hole.
2. The telescopic folding device as claimed in claim 1, wherein the middle of each of the scissors rods is provided with a hinge through hole, the hinge through holes of the two scissors rods in the same scissors body are aligned and communicated, the screw rod is communicated with the hinge through holes of the two scissors rods in the same scissors body, and the two ends of the screw rod are screwed with the second nuts.
3. A telescopic folding device as claimed in claim 2, further comprising a driving part for driving the telescopic unit to extend and retract along a first direction, wherein the driving part is located at one end of the telescopic unit along the first direction, the driving part comprises a mounting plate, two sliding plates are respectively arranged at two sides of the mounting plate corresponding to the two telescopic units, sliding grooves are formed in the sliding plates, the sliding grooves extend along a second direction, and the second direction is perpendicular to the first direction;
two sides of the mounting plate are respectively provided with two lugs corresponding to the two telescopic units, the lugs are provided with rotating holes, and the central axis direction of the rotating holes is parallel to the connecting rod;
two ends of one of the two connecting rods closest to the mounting plate are respectively connected with a first extension rod, the first extension rod penetrates through the sliding groove and is slidably arranged in the sliding groove, a first bearing is arranged between the first extension rod and the sliding groove, and the first bearing is fixedly sleeved on the first extension rod;
two ends of the other connecting rod of the two connecting rods closest to the mounting plate are respectively connected with a second extension rod, the second extension rod penetrates through the rotating hole, a second bearing is arranged between the second extension rod and the rotating hole, and the second bearing is fixedly sleeved on the second extension rod;
the driving device further comprises a linear motor, the linear motor is fixed on the mounting plate, and an output shaft of the linear motor is vertically and fixedly connected with the connecting rod on the sliding plate.
4. A telescopic folding device, according to claim 3, characterized in that the other end of said telescopic unit in said first direction is provided with two cantilevers for mounting of the telescopic elements, the inner ends of said cantilevers being hinged to the ends of a connecting rod closest to said cantilevers, respectively.
5. A telescopic folding device, as claimed in claim 4, characterized in that said flat holder is provided with six mounting holes at equal intervals.
6. A telescopic folding device as claimed in claim 5, characterized in that said scissor levers are arcuate at both ends.
7. A telescopic folding device, according to claim 6, characterized in that said chute is arcuate at both ends.
8. A telescopic folding device according to claim 7, characterized in that said first extension rod is coaxially arranged with respect to said connecting rod and is fixedly connected with respect to said connecting rod.
9. A telescopic folding device according to claim 8, characterized in that said second extension bar is coaxially arranged with respect to said connecting bar and is fixedly connected with respect to said connecting bar.
10. A telescopic folding device, as claimed in claim 9, characterized in that said circumferential groove has a depth smaller than the thickness of said ring body of said flat cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695699.9U CN211998710U (en) | 2020-04-29 | 2020-04-29 | Telescopic folding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695699.9U CN211998710U (en) | 2020-04-29 | 2020-04-29 | Telescopic folding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211998710U true CN211998710U (en) | 2020-11-24 |
Family
ID=73410184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020695699.9U Expired - Fee Related CN211998710U (en) | 2020-04-29 | 2020-04-29 | Telescopic folding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211998710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319875A (en) * | 2021-06-11 | 2021-08-31 | 博众精工科技股份有限公司 | Suction nozzle mechanism |
-
2020
- 2020-04-29 CN CN202020695699.9U patent/CN211998710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319875A (en) * | 2021-06-11 | 2021-08-31 | 博众精工科技股份有限公司 | Suction nozzle mechanism |
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Granted publication date: 20201124 |