阅读说明：本技术 一种折叠机构 (Folding mechanism ) 是由 杨宝庆 容国凯 陈国涛 于 2021-02-05 设计创作，主要内容包括：本发明公开了一种折叠机构,包括：第一竖连接组件、第一上连接组件、第一下连接组件、第二竖连接组件、第二上连接组件、第二下连接组件和限位件；第一上连接组件与第一竖连接组件铰接,第一下连接组件与第一竖连接组件铰接,第二上连接组件与第二竖连接组件铰接,第二下连接组件与第二竖连接组件铰接,第一下连接组件与第二上连接组件铰接,第二下连接组件与第一上连接组件铰接,第一下连接组件和第二下连接组件相互铰接。当需要展开时,将第一竖连接组件和第二竖连接组件向外拉动,即可展开折叠机构；当需要折叠时,将第一竖连接组件和第二竖连接组件相互靠拢即可,因此具备结构简单和拆装方便的优势,而且适用性较强。(The invention discloses a folding mechanism, comprising: the first vertical connecting assembly, the first upper connecting assembly, the first lower connecting assembly, the second vertical connecting assembly, the second upper connecting assembly, the second lower connecting assembly and the limiting piece are arranged on the base; the first upper connecting assembly is hinged to the first vertical connecting assembly, the first lower connecting assembly is hinged to the first vertical connecting assembly, the second upper connecting assembly is hinged to the second vertical connecting assembly, the second lower connecting assembly is hinged to the second vertical connecting assembly, the first lower connecting assembly is hinged to the second upper connecting assembly, the second lower connecting assembly is hinged to the first upper connecting assembly, and the first lower connecting assembly and the second lower connecting assembly are hinged to each other. When the folding mechanism needs to be unfolded, the first vertical connecting assembly and the second vertical connecting assembly are pulled outwards, and then the folding mechanism can be unfolded; when needs are folding, with first perpendicular coupling assembling and the second perpendicular coupling assembling draw close each other can, consequently possess simple structure and easy dismounting's advantage, the suitability is stronger moreover.)

1. A folding mechanism, comprising: the first vertical connecting assembly, the first upper connecting assembly, the first lower connecting assembly, the second vertical connecting assembly, the second upper connecting assembly, the second lower connecting assembly and the limiting piece are arranged on the base; the left end of first last coupling assembling with the piece body of first perpendicular coupling assembling is articulated, the left end of first coupling assembling down with the lower part of first perpendicular coupling assembling is articulated, the right-hand member of coupling assembling on the second with the piece body of second perpendicular coupling assembling is articulated, the right-hand member of second lower coupling assembling with the lower part of second perpendicular coupling assembling is articulated, the right-hand member of first lower coupling assembling with the left end of coupling assembling on the second is articulated, the left end of coupling assembling under the second with the right-hand member of first last coupling assembling is articulated, first coupling assembling be close to its right-hand member the piece body of coupling assembling is articulated each other near its left end under the second, the locating part is used for the restriction first coupling assembling down with the relative turned angle of coupling assembling under the second.

2. The folding mechanism of claim 1, wherein the first vertical connecting assembly comprises a first front vertical rod, a first rear vertical rod and a first bottom cross rod, the first front vertical rod and the first rear vertical rod are arranged in parallel, and the front end and the rear end of the first bottom cross rod are respectively connected with the lower parts of the first front vertical rod and the first rear vertical rod; the second vertical connecting assembly comprises a second front vertical rod, a second rear vertical rod and a second bottom transverse rod, the second front vertical rod and the second rear vertical rod are arranged in parallel, and the front end and the rear end of the second bottom transverse rod are respectively connected with the lower portions of the second front vertical rod and the second rear vertical rod.

3. The folding mechanism of claim 2 wherein said first upper connecting member is a first U-shaped member, two diverging ends of said first U-shaped member being hinged to said first front vertical bar and said first rear vertical bar, respectively; the first lower connecting assembly comprises two first lower connecting rods which are arranged in parallel, and the left ends of the two first lower connecting rods are hinged with the first bottom cross rod; the second upper connecting assembly is a second U-shaped piece, and two bifurcated ends of the second U-shaped piece are hinged with the second front vertical rod and the second rear vertical rod respectively; the second lower connecting assembly comprises two second lower connecting rods which are arranged in parallel, and the right ends of the second lower connecting rods are hinged to the second bottom cross rod.

4. A folding mechanism according to claim 3, characterized in that a reinforcing bar is provided between the inner sides of the first and second U-shaped elements.

5. The folding mechanism of claim 3 wherein said stop is a stop bar disposed on at least one side of the articulation between said first lower link and said second lower link.

6. The folding mechanism of claim 5 wherein said first upper connecting member has a first support plate thereon and said second upper connecting member has a second support plate thereon.

7. The folding mechanism of claim 5, further comprising a first upper cross bar and a second upper cross bar, wherein the front end and the rear end of the first upper cross bar are connected to the rod bodies of the first front vertical bar and the first rear vertical bar respectively, and the front end and the rear end of the second upper cross bar are connected to the rod bodies of the second front vertical bar and the second rear vertical bar respectively.

8. The folding mechanism of claim 4 wherein a first support bar is disposed between the upper ends of the first front vertical bar and the first rear vertical bar and a second support bar is disposed between the upper ends of the second front vertical bar and the second rear vertical bar.

9. The folding mechanism according to claim 1, wherein a first strip-shaped hole is formed in the right end of the first upper connecting assembly, the left end of the second lower connecting assembly is hinged to the first strip-shaped hole through a first hinge shaft, and the extending direction of the first strip-shaped hole is perpendicular to the plane where the first upper connecting assembly is located; the left end of coupling assembling is equipped with second bar hole on the second, coupling assembling's right-hand member passes through the second articulated shaft and articulates under the second bar hole, the extending direction in second bar hole perpendicular with the plane that coupling assembling located on the second.

10. The folding mechanism of claim 1 wherein said first vertical connecting member and said second vertical connecting member are provided with rollers at the bottom.

Technical Field

The invention relates to the field of folding devices, in particular to a folding mechanism.

Background

The folding device has the advantages of unfolding when used and storing when not used, and is widely applied to daily life, such as folding beds, folding tables and chairs, folding vehicles and the like.

The existing folding device has the problems of complex structure, small weighing and high cost, and is labor-consuming to operate when being folded. In addition, the folding function of various products is difficult to adapt, namely, one folding mechanism can only adapt to one product and is difficult to be applied to other products in an extending way.

Therefore, how to provide a folding mechanism with simple structure and wide application range is a technical problem which needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

The invention aims to provide a folding mechanism which can effectively solve the problems of inconvenient folding, poor adaptability and the like.

In order to solve the technical problems, the invention provides the following technical scheme:

a folding mechanism comprising: the first vertical connecting assembly, the first upper connecting assembly, the first lower connecting assembly, the second vertical connecting assembly, the second upper connecting assembly, the second lower connecting assembly and the limiting piece are arranged on the base; the left end of first last coupling assembling with the piece body of first perpendicular coupling assembling is articulated, the left end of first coupling assembling down with the lower part of first perpendicular coupling assembling is articulated, the right-hand member of coupling assembling on the second with the piece body of second perpendicular coupling assembling is articulated, the right-hand member of second lower coupling assembling with the lower part of second perpendicular coupling assembling is articulated, the right-hand member of first lower coupling assembling with the left end of coupling assembling on the second is articulated, the left end of coupling assembling under the second with the right-hand member of first last coupling assembling is articulated, first coupling assembling be close to its right-hand member the piece body of coupling assembling is articulated each other near its left end under the second, the locating part is used for the restriction first coupling assembling down with the relative turned angle of coupling assembling under the second.

Preferably, the first vertical connecting assembly comprises a first front vertical rod, a first rear vertical rod and a first bottom cross rod, the first front vertical rod and the first rear vertical rod are arranged in parallel, and the front end and the rear end of the first bottom cross rod are respectively connected with the lower parts of the first front vertical rod and the first rear vertical rod; the second vertical connecting assembly comprises a second front vertical rod, a second rear vertical rod and a second bottom transverse rod, the second front vertical rod and the second rear vertical rod are arranged in parallel, and the front end and the rear end of the second bottom transverse rod are respectively connected with the lower portions of the second front vertical rod and the second rear vertical rod.

Preferably, the first upper connecting assembly is a first U-shaped member, and two bifurcated ends of the first U-shaped member are hinged to the first front vertical rod and the first rear vertical rod respectively; the first lower connecting assembly comprises two first lower connecting rods which are arranged in parallel, and the left ends of the two first lower connecting rods are hinged with the first bottom cross rod; the second upper connecting assembly is a second U-shaped piece, and two bifurcated ends of the second U-shaped piece are hinged with the second front vertical rod and the second rear vertical rod respectively; the second lower connecting assembly comprises two second lower connecting rods which are arranged in parallel, and the right ends of the second lower connecting rods are hinged to the second bottom cross rod.

Preferably, a reinforcing bar is arranged between the inner sides of the first U-shaped part and the second U-shaped part.

Preferably, the limiting member is a limiting rod disposed at least one side of a hinge joint of the first lower connecting rod and the second lower connecting rod.

Preferably, be equipped with first backup pad on the first coupling assembling, be equipped with the second backup pad on the second coupling assembling.

Preferably, still include first horizontal pole and second horizontal pole, both ends respectively with around the first horizontal pole before the first montant with the body of rod connection of montant after the first, both ends respectively with before the second montant with the body of rod connection of montant after the second on the second.

Preferably, a first supporting rod is arranged between the upper ends of the first front vertical rod and the first rear vertical rod, and a second supporting rod is arranged between the upper ends of the second front vertical rod and the second rear vertical rod.

Preferably, a first strip-shaped hole is formed in the right end of the first upper connecting assembly, the left end of the second lower connecting assembly is hinged to the first strip-shaped hole through a first hinge shaft, and the extending direction of the first strip-shaped hole is perpendicular to the plane where the first upper connecting assembly is located; the left end of coupling assembling is equipped with second bar hole on the second, coupling assembling's right-hand member passes through the second articulated shaft and articulates under the second bar hole, the extending direction in second bar hole perpendicular with the plane that coupling assembling located on the second.

Preferably, the bottom of the first vertical connecting component and the bottom of the second vertical connecting component are provided with rollers.

Compared with the prior art, the technical scheme has the following advantages:

the invention provides a folding mechanism, comprising: the first vertical connecting assembly, the first upper connecting assembly, the first lower connecting assembly, the second vertical connecting assembly, the second upper connecting assembly, the second lower connecting assembly and the limiting piece are arranged on the base; the left end of the first upper connecting assembly is hinged to the element body of the first vertical connecting assembly, the left end of the first lower connecting assembly is hinged to the lower portion of the first vertical connecting assembly, the right end of the second upper connecting assembly is hinged to the element body of the second vertical connecting assembly, the right end of the second lower connecting assembly is hinged to the lower portion of the second vertical connecting assembly, the right end of the first lower connecting assembly is hinged to the left end of the second upper connecting assembly, the left end of the second lower connecting assembly is hinged to the right end of the first upper connecting assembly, the element body of the first lower connecting assembly, which is close to the right end of the first lower connecting assembly, is hinged to the element body of the second lower connecting assembly, which is close to the left end of the first lower connecting assembly, and the limiting. When the folding mechanism needs to be unfolded, the first vertical connecting assembly and the second vertical connecting assembly are pulled outwards until the first upper connecting assembly and the second upper connecting assembly are in a horizontal state, and then the folding mechanism can be unfolded; when needs are folding, with first perpendicular coupling assembling and second erect coupling assembling draw close each other can, consequently possess simple structure and easy dismounting's advantage, but also the application is on folding apparatus such as folding bed, folding car and folding table chair, so the suitability is stronger.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a folding mechanism according to an embodiment of the present invention in an unfolded state;

FIG. 2 is a schematic view of the folding mechanism in storage;

FIG. 3 is a schematic view of the folding mechanism after storage;

FIG. 4 is a schematic view of the folding bed in an unfolded state;

FIG. 5 is a schematic view of the folding bed in storage;

FIG. 6 is a schematic view of the folding bed after storage;

FIG. 7 is a front view of the folding bed in storage;

FIG. 8 is a schematic view of the folding cart in an unfolded state;

FIG. 9 is a schematic view of the folding cart in storage;

FIG. 10 is a schematic view of the foldable wagon after it is stowed;

fig. 11 is a front view of the folding cart in storage.

The reference numbers are as follows:

1 is a first vertical connecting component, 101 is a first front vertical rod, 102 is a first rear vertical rod, 103 is a first bottom cross rod, 104 is a first upper cross rod, and 105 is a first supporting rod;

2, a first upper connecting component, 201, a reinforcing rod, 202, a first supporting plate, 203, a first L-shaped plate and 204, a first strip-shaped hole;

3 is a first lower connecting component, 301 is a first lower connecting rod;

4 is a second vertical connecting component, 401 is a second front vertical rod, 402 is a second rear vertical rod, 403 is a second bottom cross rod, 404 is a second upper cross rod, and 405 is a second support rod;

5 is a second upper connecting component, 501 is a second supporting plate, and 502 is a second L-shaped plate;

6 is a second lower connecting component, 601 is a second lower connecting rod;

7 is a limiting rod;

and 8 is a roller.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a folding mechanism in an unfolded state according to an embodiment of the present invention; FIG. 2 is a schematic view of the folding mechanism in storage; fig. 3 is a schematic structural view of the folding mechanism after storage.

One embodiment of the present invention provides a folding mechanism, comprising: the device comprises a first vertical connecting assembly 1, a first upper connecting assembly 2, a first lower connecting assembly 3, a second vertical connecting assembly 4, a second upper connecting assembly 5, a second lower connecting assembly 6 and a limiting piece; the left end of the first upper connecting assembly 2 is hinged to the piece body of the first vertical connecting assembly 1, the left end of the first lower connecting assembly 3 is hinged to the lower portion of the first vertical connecting assembly 1, the right end of the second upper connecting assembly 5 is hinged to the piece body of the second vertical connecting assembly 4, the right end of the second lower connecting assembly 5 is hinged to the lower portion of the second vertical connecting assembly 4, the right end of the first lower connecting assembly 3 is hinged to the left end of the second upper connecting assembly 5, the left end of the second lower connecting assembly 6 is hinged to the right end of the first upper connecting assembly 2, the piece body of the first lower connecting assembly 3 close to the right end of the first lower connecting assembly is hinged to the piece body of the second lower connecting assembly 6 close to the left end of the first lower connecting assembly, and the limiting part is used for limiting the relative rotating angle. When the folding mechanism needs to be unfolded, the first vertical connecting assembly 1 and the second vertical connecting assembly 4 are pulled outwards until the first upper connecting assembly 2 and the second upper connecting assembly 5 are in a horizontal state, and then the folding mechanism can be unfolded; when needs are folding, with first perpendicular coupling assembling 1 and the second perpendicular coupling assembling 4 draw close each other can, consequently possess simple structure and easy dismounting's advantage, but also can use on folding apparatus such as folding bed, folding car and folding table chair, so the suitability is stronger.

Specifically, the first vertical connecting assembly 1 includes a first front vertical rod 101, a first rear vertical rod 102 and a first bottom cross rod 103, the first front vertical rod 101 and the first rear vertical rod 102 are arranged in parallel, and the front end and the rear end of the first bottom cross rod 103 are respectively connected with the lower parts of the first front vertical rod 101 and the first rear vertical rod 102; the second vertical connecting component 4 comprises a second front vertical rod 401, a second rear vertical rod 402 and a second bottom cross rod 403, the second front vertical rod 401 and the second rear vertical rod 402 are arranged in parallel, and the front end and the rear end of the second bottom cross rod 403 are respectively connected with the lower portions of the second front vertical rod 401 and the second rear vertical rod 402. The first bottom cross bar 103 and the second bottom cross bar 403 can improve the supporting strength of the first vertical connecting assembly 1 and the second vertical connecting assembly 4, and also facilitate the hinging of the first lower connecting rod 301 and the second lower connecting rod 601.

Specifically, the first upper connecting assembly 2 is a first U-shaped member, and two bifurcated ends of the first U-shaped member are hinged to the first front vertical rod 101 and the first rear vertical rod 102 respectively; the first lower connecting assembly 3 comprises two first lower connecting rods 301 which are arranged in parallel, and the left ends of the two first lower connecting rods 301 are hinged with the first bottom cross rod 103; the second upper connecting assembly 5 is a second U-shaped member, and two bifurcated ends of the second U-shaped member are hinged to a second front vertical rod 401 and a second rear vertical rod 402 respectively; the second lower connecting assembly 6 comprises two second lower connecting rods 601 arranged in parallel, and the right ends of the two second lower connecting rods 601 are hinged to the second bottom cross rod 403.

In order to improve the supporting strength of the first U-shaped element and the second U-shaped element, a reinforcing bar 201 is arranged between the inner sides of the first U-shaped element and the second U-shaped element.

Specifically, the limiting member is a limiting rod 7 disposed at least one side of a hinge joint of the first lower connecting rod 301 and the second lower connecting rod 601, for example, one or two limiting rods 7 may be disposed between the two first lower connecting rods 301, one limiting rod 7 may be disposed at one side of the hinge joint, and the two limiting rods 7 are disposed at two sides of the hinge joint respectively. When the folding mechanism is unfolded, after the second lower link 601 contacts the limiting rod 7 on the first lower link 301, the first lower link 301 and the second lower link 601 can be prevented from further rotating.

When the folding mechanism is applied to a folding bed, please refer to fig. 4 to 7, the first upper connecting assembly 2 is provided with a first supporting plate 202, and the second upper connecting assembly 5 is provided with a second supporting plate 501.

In addition, the front and back ends of the first upper cross rod 104 are respectively connected with the rod bodies of the first front vertical rod 101 and the first back vertical rod 102, and the front and back ends of the second upper cross rod 404 are respectively connected with the rod bodies of the second front vertical rod 401 and the second back vertical rod 402. It is understood that the first vertical connecting assembly 1 and the second vertical connecting assembly 4 are rod-type structures, and the rod-type structures have the characteristic of light weight, and the first vertical connecting assembly 1 and the second vertical connecting assembly 4 with plate-shaped structures can be selected.

Further, a first supporting rod 105 is arranged between the upper ends of the first front vertical rod 101 and the first rear vertical rod 102, a second supporting rod 405 is arranged between the upper ends of the second front vertical rod 401 and the second rear vertical rod 402, the folding of the folding bed can be facilitated through the first supporting rod 105 and the second supporting rod 405, and the safety of the folding bed is also improved.

When the folding mechanism is applied to the folding cart, please refer to fig. 8 to 11, the bottom of the first vertical connecting component 1 and the bottom of the second vertical connecting component 4 are provided with rollers 8, and the rollers 8 are preferably universal wheels. In addition, the right end of the first upper connecting assembly 2 is provided with a first strip-shaped hole 204, the left end of the second lower connecting assembly 6 is hinged to the first strip-shaped hole 204 through a first hinge shaft, the extending direction of the first strip-shaped hole 204 is perpendicular to the plane where the first upper connecting assembly 2 is located, for example, a first L-shaped plate 203 piece can be arranged at the right end of the first upper connecting assembly 2, the left end of the first L-shaped plate 203 piece is connected with the right end of the first upper connecting assembly 2, the right end faces downwards, and the first strip-shaped hole 204 is arranged at the right end of the first L-shaped plate 203 piece; the left end of coupling assembling 5 is equipped with second bar hole on the second, coupling assembling 6's right-hand member passes through the second articulated shaft under the second and articulates at second bar hole, the plane that coupling assembling 5 located on the extending direction in second bar hole perpendicular and the second, for example, can be equipped with second L template 502 piece on the second at coupling assembling 5's left end, the right-hand member of second L template 502 piece is connected with the left end of coupling assembling 5 on the second, the left end is down, first bar hole 204 sets up the left end at second L template 502 piece.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.