CN218055246U - Folding structure and folding shallow - Google Patents
Folding structure and folding shallow Download PDFInfo
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- CN218055246U CN218055246U CN202222348106.3U CN202222348106U CN218055246U CN 218055246 U CN218055246 U CN 218055246U CN 202222348106 U CN202222348106 U CN 202222348106U CN 218055246 U CN218055246 U CN 218055246U
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Abstract
The utility model relates to a beta structure and folding shallow, its beta structure includes: the folding device comprises two groups of folding assemblies and supporting pieces positioned on two sides of the folding assemblies, wherein the two groups of folding assemblies are hinged in a bilateral symmetry manner and are respectively hinged with the supporting pieces on the same side, and the two groups of folding assemblies form two crossed vertexes for supporting frame cloth; the folding assemblies comprise cross rods, long connecting rods and short connecting rods, the two cross rods are mutually crossed and hinged, and the top ends of the cross rods in one folding assembly are hinged with the top ends of the short connecting rods in the other folding assembly to form the crossed top points. The utility model discloses technical scheme has two strong points in single side of frame cloth for beta structure improves the support performance of frame cloth greatly, and overall structure is more stable.
Description
Technical Field
The utility model relates to a shallow technical field especially relates to a beta structure and folding shallow.
Background
Outdoor leisure is increasingly popular with people, along with the continuous improvement of living standard, people are gradually pursuing and increasing to the past of nature, the development of tourism industry is continuously promoted, and the demand of people on outdoor entertainment activities such as camping and outdoor picnic is more urgent. When going out, a large amount of articles, foods and the like can be carried, so that the folding cart is a tool which is widely used at present and is convenient for people to live in daily life.
In the related art, a trolley convertible between a folded state and an unfolded state, such as that disclosed in CN201610742284.0, is known: folding shallow comprises frame and car hopper, and the car hopper that frame and frame cloth were made can be folded in the lump and accomodate, can reduce the transportation volume greatly, can expand beta structure during the use, is used for installing article such as various camps in the car hopper. Every side sets up four member in this patent, and two are articulated the setting, and two pin joints about the intermediate position of every side has, and a pin joint of top can be used for supporting the frame cloth. In the folding shallow, the member material of generally using is softer, and frame cloth unilateral is only supported through a pin joint for the folding structure is relatively poor to the support intensity of frame cloth.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a beta structure, this beta structure have two strong points in a single side of frame cloth for beta structure improves the support performance of frame cloth greatly, and overall structure is more stable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a folding structure comprising: the folding device comprises two groups of folding assemblies and supporting pieces positioned on two sides of the folding assemblies, wherein the two groups of folding assemblies are hinged in a bilateral symmetry manner and are respectively hinged with the supporting pieces on the same side, and the two groups of folding assemblies form two crossed vertexes for supporting frame cloth;
the folding assembly comprises two crossed rods, a long connecting rod and a short connecting rod, the two crossed rods are crossed and hinged with each other, the top end of the crossed rod in the folding assembly is hinged with the top end of the short connecting rod in the other folding assembly to form a crossed peak, one end of the long connecting rod is movably hinged with the supporting piece, the other end of the long connecting rod is hinged with the middle of the crossed rod, the lower end of the crossed rod is hinged with the lower end of the supporting piece, and the lower end of the short connecting rod is hinged to the long connecting rod.
Preferably, the two crossed rods are hinged to form a first hinge point, the crossed vertex is a second hinge point, and the second hinge point is higher than the first hinge point along the height direction of the vehicle frame.
Preferably, support piece is the telescopic link, the telescopic link includes the inner tube to and the cover is located the outer tube outside the inner tube, the expansion end of inner tube with long connecting rod upper end is articulated, the stiff end of outer tube with the cross bar lower extreme is articulated.
Preferably, the folding structure further comprises two bottom components which are arranged in a left-right symmetry manner, and a connecting piece for connecting the two bottom components, and the two connecting pieces are hinged with each other;
the connecting piece comprises openings at two sides and a vertical rotating shaft respectively positioned in one opening, and the lower end of the supporting piece is provided with a rotating piece capable of rotating along a vertical surface;
the bottom assembly comprises a first rod body and a second rod body, one end of the first rod body is rotatably connected with the rotating shaft in the corresponding opening, and the other end of the first rod body is hinged with the rotating piece at the lower end of the supporting piece on the corresponding side; one end of the second rod body is rotatably connected with the rotating shaft corresponding to the opening, and the other end of the second rod body is hinged with the rotating piece at the lower end of the supporting piece corresponding to the side.
Preferably, the connecting element comprises two half-shells which engage with one another and are each articulated to the two base assemblies.
The utility model also provides a folding shallow, include beta structure, frame and frame cloth, each side is provided with two sets of folding assembly respectively around the frame, each side is provided with two support piece respectively about the frame, the frame cloth install in the frame, two alternately summits of folding assembly with the setting of frame cloth butt.
Preferably, the frame cloth side has the installation department, be formed with the mounting groove in the installation department, two alternately summits all butt in on the mounting groove inner wall.
Preferably, two side edges of the mounting part are matched with the inclined direction of the short connecting rod.
Preferably, the folding shallow is still including dismantling the mounting of connecting on support piece, and set up in cloth pocket on the mounting, a plurality of notches have on the cloth pocket, pass the screw on the cloth pocket and be fixed in on the mounting.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the folding structure provided by the technical scheme, two groups of folding assemblies and supporting pieces positioned on two sides of the folding assemblies are adopted, each group of folding assemblies comprises a cross rod, a long connecting rod and a short connecting rod, the two groups of folding assemblies form two crossed vertexes for supporting the frame cloth, and the two crossed vertexes are supported on a single side face of the frame cloth, so that the supporting performance of the folding structure on the frame cloth is greatly improved, and the whole structure is more stable; and, transmit power for the short connecting rod through long connecting rod, transmit power to another folding assembly's crossbar by the short connecting rod again for beta structure gathers together to the centre, because the length of short connecting rod is shorter, consequently short connecting rod and long connecting rod combined action back have improved transmission rate, thereby have improved the efficiency that this beta structure gathered together to the centre, make and accomodate more convenient.
Drawings
Fig. 1 is a schematic view of a trolley for comparison with a document, which is convertible between a collapsed state and an expanded state.
Fig. 2 is a schematic view of one of the viewing angles of the foldable stroller according to the embodiment of the present invention.
Fig. 3 is a schematic view of the folding cart shown in fig. 2 in a semi-folded state.
Fig. 4 is an enlarged schematic view of a point a shown in fig. 3.
Fig. 5 is a schematic view of the folding cart in fig. 2 in a folded state.
Fig. 6 is another perspective view of the folding cart of fig. 2.
Fig. 7 is a schematic view of the connector shown in fig. 4.
Fig. 8 is an enlarged schematic view of the point B shown in fig. 3.
Fig. 9 is a schematic view of the rotating member shown in fig. 8.
Description of reference numerals:
1. a cross bar; 11. a first cross bar; 12. a second crossbar; 13. intersecting the vertexes; 2. a short connecting rod; 21. a first short link; 22. a second short link; 3. a long connecting rod; 31. a first long link; 32. a second long link; 4. a support member; 41. an inner tube; 42. an outer tube; 5. a first hinge point; 61. a first rod body; 62. a second rod body; 7. a connecting member; 71. an opening; 72. a rotating shaft; 73. a rotating member; 731. a connecting portion; 732. connecting blocks; 733. a connecting shaft; 8. frame cloth; 81. an installation part; 91. a fixing member; 92. a cloth bag.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 2 to 9, an embodiment of the present invention provides a folding structure, including two folding assemblies and supporting members 4 located at two sides of the folding assemblies, where the two folding assemblies are hinged symmetrically left and right and are respectively hinged to the supporting members 4 at the same side, and the two folding assemblies form two intersecting vertexes 13 for supporting a frame cloth 8; the folding assemblies comprise cross rods 1 and short connecting rods 2, the two cross rods 1 are mutually crossed and hinged, and the top end of the cross rod 1 in one folding assembly is hinged with the top end of the short connecting rod 2 in the other folding assembly to form the crossed vertex 13. Two sets of folding assembly form two alternately summits 13 that are used for supporting frame cloth 8, and two alternately summits 13 support at the single side of frame cloth 8 for the bearing performance of beta structure to frame cloth 8 improves greatly, and overall structure is more stable.
Specifically, as shown in fig. 2, the folding assemblies further include long connecting rods 3, one end of each long connecting rod 3 in each folding assembly is hinged to the support member 4, the other end of each long connecting rod is hinged to the middle of the cross bar 1, the lower end of the cross bar 1 is hinged to the lower end of the support member 4, and the lower end of the short connecting rod 2 is hinged to the long connecting rod 3. It should be noted that the length of the crossbar 1 is longer than the length of the long link 3, and the length of the long link 3 is longer than the length of the short link 2. The short connecting rods 2 and the cross rod 1 are arranged in parallel or approximately in parallel, and of course, the short connecting rods 2 and the cross rod 1 may not be arranged in parallel. When folding, transmit power for short connecting rod 2 and crossbar 1 through long connecting rod 3 to the short connecting rod 2 of first folding assembly transmits power to the crossbar 1 of second folding assembly on, the short connecting rod 2 of second folding assembly transmits power to the crossbar 1 of first folding assembly on, make beta structure gather together to the centre, because the length of short connecting rod 2 is shorter, transfer rate has been improved, thereby improved the efficiency that this beta structure closed together to the centre, make and accomodate more convenient.
Further, support piece 4 is the telescopic link, can realize support piece 4's extension and shortening, the telescopic link includes inner tube 41, and the cover is located the outer tube 42 of inner tube 41, the expansion end of inner tube 41 with long connecting rod 3 upper end is articulated, the stiff end of outer tube 42 with cross bar 1 lower extreme is articulated.
When the folding bicycle is folded, the telescopic rod is drawn close to the middle of the bicycle frame, the first long connecting rod 31 rotates anticlockwise around a hinge point with the first cross rod 11, the first long connecting rod 31 drives the inner pipe 41 to move upwards, and the whole telescopic rod extends along with the inner pipe. When the telescopic rod is unfolded, the first long connecting rod 31 rotates clockwise around the hinge point with the first cross rod 11, the first long connecting rod 31 carries the inner pipe 41 to move downwards, and the whole telescopic rod is shortened. Similarly, the second long link 32 will also retract or extend with the corresponding telescoping rod.
The folding structure comprises a bottom component and a folding component, wherein the bottom component and the folding component are used together, the folding structure further comprises two bottom components which are arranged in a bilateral symmetry mode, and a connecting piece 7 for connecting the two bottom components, and the two connecting pieces 7 are hinged to each other; the connecting piece 7 comprises two side openings 71 and a vertical rotating shaft 72 respectively positioned in one opening, and the lower end of the supporting piece is provided with a rotating piece 73 capable of rotating along a vertical plane; the bottom component comprises a first rod body 61 and a second rod body 62, one end of the first rod body 61 is rotatably connected with the rotating shaft 72 in the corresponding opening 71, and the other end of the first rod body is hinged with the rotating piece 73 at the lower end of the supporting piece 4 on the corresponding side; one end of the second rod 62 is rotatably connected to the rotating shaft 72 corresponding to the opening 71, and the other end is hinged to the rotating member 73 at the lower end of the supporting member 4 corresponding to the second rod. The first rod 61 and the second rod 62 are connected by the connecting member 7 to form a V-shape.
The opening 71 can provide a space for the first rod 61 and the second rod 62 to expand, the rotating shaft 72 enables the first rod 61 and the second rod 62 to expand or contract, so that the bottom structure can expand or contract, and the axial direction of the rotating shaft 72 is perpendicular to the orientation of the opening 71. The rotating member 73 includes a connecting portion 731 disposed along a vertical plane and two connecting blocks 732 perpendicular to the connecting portion, the connecting portion 731 is rotatably connected to the lower end of the support member 4, the lower end of the first rod 61 or the second rod 62 is located between the two connecting blocks 732 and is hinged to the connecting blocks 732, and the axial direction of the connecting shaft 733 between the two connecting blocks 732 is parallel to the vertical plane. The bottom structure is folded with an upward folding force, and the angle of the first rod 61 and the second rod 62 is changed by the rotating part 73, so that the rotating part 73 needs to rotate along a vertical plane by a certain angle, and the first rod 61 and the second rod 62 rotate together. When the two connecting pieces 7 are folded relatively, the rotating shaft 72 is matched with the rotating piece 73, and the rotation of the first rod body 61 and the second rod body 62 is decomposed into the rotation in the horizontal direction and the rotation in the vertical direction, so that the bottom structure can be normally folded and unfolded.
Specifically, as shown in fig. 3, two sets of folding members are defined as a first folding member including the first cross bar 11, the first short link 21, and the first long link 31, and a second folding member including the second cross bar 12, the second short link 22, and the second long link 32.
The first cross rod 11 and the second cross rod 12 are mutually crossed and hinged, the fixed end of the first cross rod 11 is hinged with the lower end of the telescopic rod, and the upper end of the first cross rod 11 is hinged with the upper end of the second short connecting rod 22; the upper end of the first long connecting rod 31 is hinged with the movable end of the telescopic rod, and the lower end of the first long connecting rod 31 is hinged with the first cross rod 11; the lower end of the first short connecting rod 21 is hinged on the first long connecting rod 31, the upper end of the first short connecting rod 21 is hinged with the upper end of the second cross rod 12, and the first short connecting rod 21 and the first cross rod 11 are arranged in parallel. The second folding component and the first folding component are arranged in a bilateral symmetry manner, and the specific connection mode of the second folding component can refer to the first folding component, which is not described again.
The folding process of the folding structure is as follows: shown in a semi-collapsed state in fig. 3 and in a fully collapsed state in fig. 5. The connecting piece 7 is pulled upwards by external force, the connecting piece 7 enables the two bottom components to turn over along the connecting piece 7 in a plane perpendicular to the bottom plane, one end of the bottom component connected with the connecting piece 7 protrudes upwards, and meanwhile, the first rod body 61 and the second rod body 62 rotate around a hinge point; when one end of the bottom component protrudes upwards, the first rod body 61 and the second rod body 62 respectively drive the telescopic rods to approach the middle of the frame through the rotating pieces 73 on the same side, and the telescopic rods are used for acting on the folding component, so that the first cross rod 11 rotates clockwise around a hinge point with the telescopic rods, the first long connecting rod 31 rotates anticlockwise around the hinge point with the first cross rod 11, the first long connecting rod 31 drives the telescopic rods to move upwards, the movable end of the telescopic rods extends along with the first long connecting rod 31, and the first short connecting rod 21 rotates clockwise around the hinge point with the first long connecting rod 31; the second long connecting rod 32 rotates clockwise around the hinge point with the second cross rod 12, the second long connecting rod 32 drives the telescopic rod to move upwards, the movable end of the telescopic rod extends along with the second long connecting rod, the second short connecting rod 22 rotates anticlockwise around the hinge point with the second long connecting rod 32, the second cross rod 12 rotates anticlockwise around the hinge point with the telescopic rod, and therefore the six rods are linked with each other to complete folding work.
In addition, when the folding structure is unfolded, the rotating direction of each hinge point is opposite to that when the folding structure is folded, the movable ends of the telescopic rods retract downwards, and the telescopic rods on the two sides of the two groups of folding assemblies are opposite to each other.
Preferably, as shown in fig. 3, the first cross bar 11 is hinged to the second cross bar 12 at a first hinge point 5, the second cross bar 12 extends upward from the first hinge point 5, and a second hinge point is obtained by adding a first stub link so that the upper end of the second cross bar 12 is hinged to the upper end of the first stub link 21, that is, the second hinge point is higher than the first hinge point 5 in the height direction of the frame. Because the upper end of second stub connecting rod and the upper end height of first stub connecting rod flush, in the same way, the pin joint of first crossbar upper end and second stub connecting rod upper end also is higher than first pin joint 5. The crossbar has add the stub connecting rod after extending from first pin joint 5, and this stub connecting rod can provide the effort to the frame left and right direction to when expanding the use, improve the stability of frame whole.
As shown in fig. 2-3, the joint of the cross bar 1 of the first folding assembly and the cross bar 1 of the second folding assembly is a first hinge point 5, the joint of the long link 3 and the cross bar 1 is a second hinge point, and the first hinge point 5 is higher than the second hinge point along the height direction of the frame.
Referring to fig. 6, an embodiment of the present invention further provides a foldable cart, including the foldable structure, the frame, and the frame cloth 8, two sets of folding assemblies are respectively disposed on each side of the frame, two supporting members 4 are respectively disposed on each side of the frame, and four corners of the upper end surface of the frame cloth 8 are respectively fixed on the upper ends of the supporting members 4. The supporting piece 4 is a telescopic rod, the cross rod 1 in each group of folding assemblies is hinged with the fixed end of each telescopic rod, and the long connecting rod 3 in each group of folding assemblies is hinged with the movable end of each telescopic rod. The frame cloth 8 is arranged in the frame, and two crossed peaks 13 of the folding assembly are abutted to the frame cloth.
The side surface of the frame cloth 8 is provided with a mounting part 81, a mounting groove is formed in the mounting part 81, and the two crossed vertexes 13 are abutted to the inner wall of the mounting groove. Two alternately summits 13 support in the mounting groove for the bearing capacity of beta structure to frame cloth 8 improves greatly, thereby makes the overall structure of folding shallow more stable. And, only need to contact cross bar 1 and short connecting rod 2 with the inner wall of the said mounting groove, can realize the linkage of the frame cloth 8 and folded structure when drawing in and spreading out, this kind of mounting means is very convenient, and the upper end of the short connecting rod 2 and the upper end of the cross bar 1 are installed in the mounting groove, still have protective action to the upper end of the short connecting rod 2 and the upper end of the cross bar 1.
Furthermore, the two side edges of the mounting part 81 are matched with the inclined direction of the short connecting rod 2, so that the rotation operation is smoother when the short connecting rod 2 is folded or unfolded; when the folding cart is completely unfolded, the side edge of the mounting portion 81 and the short link 2 come into contact with each other, thereby further improving the supporting function of the frame cloth.
In the folding process, the bottom component protrudes upwards to prop against the bottom surface of the frame cloth 8, so that the bottom surface of the frame cloth 8 also protrudes upwards; simultaneously, crossing bar 1 and short connecting rod 2 upwards extend when rotating around the pin joint, and crossing bar 1 and short connecting rod 2 act on the side of frame cloth 8 for crossing bar 1 and short connecting rod 2 take frame cloth 8 to draw in together, and then accomplish the folding to this folding shallow.
In addition, the folding cart further comprises a fixing part 91 detachably connected to the support part 4, and a cloth bag 92 arranged on the fixing part, wherein a plurality of notches are formed in the cloth bag 92, and screws penetrate through the cloth bag 92 and are fixed on the fixing part 91. On the side of the frame far away from the handle, a fixing piece 91 is respectively arranged on the upper part and the lower part of each supporting piece 4, four fixing pieces 91 are used for installing four corners of a cloth bag 92, the cloth bag 92 has multiple functions, and various articles such as a fishing rod, an outdoor lamp bracket and the like can be placed in each notch. Meanwhile, the utility model can be taken off from the frame to be tied on the body, is convenient to be used in outdoor barbecue or picnic, and has wider application.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. A folding structure, comprising: the folding device comprises two groups of folding assemblies and supporting pieces positioned on two sides of the folding assemblies, wherein the two groups of folding assemblies are hinged in a bilateral symmetry manner and are respectively hinged with the supporting pieces on the same side, and the two groups of folding assemblies form two crossed vertexes for supporting frame cloth;
the folding assembly comprises cross rods, a long connecting rod and a short connecting rod, the cross rods are mutually crossed and hinged, the top end of one cross rod in the folding assembly is hinged with the top end of the other short connecting rod in the folding assembly to form a crossed peak, one end of the long connecting rod is hinged with the support piece movably, the other end of the long connecting rod is hinged with the middle of the cross rod, the lower end of the cross rod is hinged with the lower end of the support piece, and the lower end of the short connecting rod is hinged to the long connecting rod.
2. The folding structure of claim 1 wherein said two cross bar hinges are a first hinge point and said cross vertex is a second hinge point, said second hinge point being higher than said first hinge point in the height direction of the vehicle frame.
3. The folding structure of claim 1 or 2, wherein the supporting member is a telescopic rod, the telescopic rod comprises an inner tube and an outer tube sleeved outside the inner tube, the movable end of the inner tube is hinged to the upper end of the long link, and the fixed end of the outer tube is hinged to the lower end of the cross bar.
4. The folding structure of claim 3, further comprising two base assemblies disposed in bilateral symmetry, and a connecting member connecting the two base assemblies, the two connecting members being hingedly connected to each other;
the connecting piece comprises openings at two sides and a vertical rotating shaft respectively positioned in one opening, and the lower end of the supporting piece is provided with a rotating piece capable of rotating along a vertical surface;
the bottom component comprises a first rod body and a second rod body, one end of the first rod body is rotatably connected with the rotating shaft in the corresponding opening, and the other end of the first rod body is hinged with the rotating piece at the lower end of the supporting piece on the corresponding side; one end of the second rod body is rotatably connected with the rotating shaft corresponding to the opening, and the other end of the second rod body is hinged with the rotating piece at the lower end of the supporting piece corresponding to the side.
5. A convertible article as claimed in claim 4, wherein said connector comprises two interengaging half shells, the two half shells being hingedly connected to the two base members respectively.
6. A folding cart, comprising the folding structure, a frame and a frame cloth according to any one of claims 1 to 5, wherein two sets of folding assemblies are respectively disposed on the front and rear sides of the frame, two support members are respectively disposed on the left and right sides of the frame, the frame cloth is mounted in the frame, and two intersecting vertexes of the folding assemblies are disposed in abutment with the frame cloth.
7. The folding stroller of claim 6, wherein the frame cloth side surface has a mounting portion, a mounting slot is formed in the mounting portion, and both of the two intersecting apexes abut against an inner wall of the mounting slot.
8. A folding cart according to claim 7 wherein the sides of said mounting portion are adapted to the inclination of the short link.
9. The folding cart of claim 6, further comprising a mounting member removably attached to the support member, and a cloth pocket disposed on the mounting member, the cloth pocket having a plurality of notches therein, the cloth pocket having screws therethrough and secured to the mounting member.
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CN202222348106.3U CN218055246U (en) | 2022-09-02 | 2022-09-02 | Folding structure and folding shallow |
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CN202222348106.3U CN218055246U (en) | 2022-09-02 | 2022-09-02 | Folding structure and folding shallow |
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CN218055246U true CN218055246U (en) | 2022-12-16 |
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