CN217959365U - Self-locking structure of folding frame and desk, chair and bed using same - Google Patents
Self-locking structure of folding frame and desk, chair and bed using same Download PDFInfo
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- CN217959365U CN217959365U CN202220924545.1U CN202220924545U CN217959365U CN 217959365 U CN217959365 U CN 217959365U CN 202220924545 U CN202220924545 U CN 202220924545U CN 217959365 U CN217959365 U CN 217959365U
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- folding frame
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- connecting rod
- locking structure
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Abstract
The utility model discloses a self-locking structure of a folding frame and a desk, a chair and a bed applied by the same, wherein the self-locking structure comprises at least three groups of X-shaped components, an upper connecting piece, a lower connecting piece, a middle top, a connecting rod and a side connecting piece, which are enclosed into the folding frame; the X-shaped assemblies comprise two cross pipes with the middle parts pivoted with each other, and the cross pipes of two adjacent groups of X-shaped assemblies are pivoted together in pairs through the upper connecting piece and the lower connecting piece; the middle top is arranged in the middle of the folding frame; the middle top and the at least two groups of X-shaped components are respectively connected with one connecting rod; the outer end of the connecting rod is in pin joint fit with the cross pipe through the side connecting piece, and the inner end of the connecting rod is in pin joint fit with the lower surface of the middle top. The utility model discloses rely on middle top and connecting rod between the X type subassembly to carry out the auto-lock, the atress is more stable, the operation is more simple and convenient.
Description
Technical Field
The utility model relates to a folding frame technical field especially indicates a folding frame's auto-lock structure and table, chair, bed of using thereof.
Background
In the early days, furniture like tables, chairs, beds and the like are all of an integrated structure, cannot be folded and stored, and occupy space when not used. Therefore, some manufacturers design and produce various forms of furniture such as folding tables, folding chairs and folding beds, and users can adjust the shapes of the furniture according to use requirements, so that the furniture is convenient to use or store.
In order to ensure the structural stability of the unfolded folding furniture, a self-locking structure is generally required to be arranged, and the folding furniture is locked after being adjusted to a target shape by a user. The existing self-locking structure has the defect of complex structure, generally acts on the position of a pivot point of folding furniture, and has troublesome locking and unlocking operation and poor stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a folding frame's auto-lock structure and table, chair, bed of using thereof realize the stable, the easy and simple to handle folding mode of atress.
In order to achieve the above purpose, the solution of the utility model is:
a self-locking structure of a folding frame comprises at least three groups of X-shaped assemblies, an upper connecting piece, a lower connecting piece, a middle top, a connecting rod and side connecting pieces, wherein the three groups of X-shaped assemblies surround the folding frame; the X-shaped assemblies comprise two cross pipes with the middle parts pivoted with each other, and the cross pipes of two adjacent groups of X-shaped assemblies are pivoted together in pairs through the upper connecting piece and the lower connecting piece; the middle top is arranged in the middle of the folding frame; the middle top and the at least two groups of X-shaped components are respectively connected with one connecting rod; the outer end of the connecting rod is pivoted and matched on the cross pipe through the side connecting piece, and the inner end of the connecting rod is pivoted and matched on the lower surface of the middle top.
And a limiting groove corresponding to the connecting rod is arranged between the lower surface and the side surface of the middle top, and the inner side end of the connecting rod is in pivot joint with the inner side end of the corresponding limiting groove.
The inner side end of the connecting rod is in interference fit with the limiting groove.
The junction of the X-shaped component and the connecting rod is positioned at the pivot joint of the two cross pipes.
The number of the X-shaped assemblies is four, and the connecting rods are four.
The side connectors are corner connectors.
An upper pin joint groove for pin joint matching of the upper end part of the cross pipe is arranged between the lower surface and the side surface of the upper connecting piece.
And a lower pivoting groove for pivoting and matching the lower end part of the cross pipe is arranged between the upper surface and the side surface of the lower connecting piece.
And the self-locking structure of the folding frame is applied to tables, chairs and beds.
After the technical scheme is adopted, the utility model discloses a connecting rod is connected between middle top in the middle of the folding frame and each X type subassembly, the pulling force of X type subassembly and the angle that middle top swung upwards to the connecting rod are restricted by the connecting rod to realize the auto-lock, the inboard tip of connecting rod is supported on the lower surface of middle top when the state is opened, the atress is concentrated in middle top department through the connecting rod when the folding frame atress, the atress is more stable, the folding frame no longer warp; when folded, only the middle top is lifted upwards, so that the operation is simpler and more convenient; the folding frame has self-locking and folding functions, and is convenient and flexible for users to select according to different conditions.
Drawings
Fig. 1 is a perspective view showing an open state of a first embodiment of the present invention;
fig. 2 is a front view of the first embodiment of the present invention in an open state;
fig. 3 is a perspective view of the first embodiment of the present invention in an unlocked state;
fig. 4 is a front view of the first embodiment of the present invention in an unlocked state;
FIG. 5 is a perspective view of the first embodiment of the present invention in a semi-folded state;
FIG. 6 is a front view of the first embodiment of the present invention in a semi-folded state;
fig. 7 is a perspective view showing a furled state of the first embodiment of the present invention;
fig. 8 is a front view showing a first embodiment of the present invention in a closed state;
fig. 9 is a perspective view showing an opened state of the second embodiment of the present invention;
fig. 10 is a perspective view showing an opened state of the third embodiment of the present invention;
fig. 11 is a perspective view showing an opened state of the fourth embodiment of the present invention;
fig. 12 is a perspective view showing an opened state of a fifth embodiment of the present invention;
the reference numbers illustrate:
1- -an upper connector; 11- - -an upper pivot slot; 2-a lower connecting piece;
21- - -a lower pivot slot; 3- -middle roof; 31- - -a limit groove;
4-a connecting rod; 5-side connection 6-cross tube.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be understood that the indicated positions or positional relationships are based on the positions or positional relationships shown in the drawings, or the positions or positional relationships that the products of the present invention are usually placed when in use, or the positions or positional relationships that those skilled in the art conventionally understand, and are merely simplified for the convenience of describing the embodiments of the present invention, and do not indicate or imply that the indicated devices or elements must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
The utility model discloses a self-locking structure of a folding frame, which comprises at least three groups of X-shaped components, an upper connecting piece 1, a lower connecting piece 2, a middle top 3, a connecting rod 4 and a side connecting piece 5, wherein the three groups of X-shaped components surround the folding frame;
the X-shaped assemblies comprise two cross pipes 6 with the middle parts pivoted with each other, and the cross pipes 6 of two adjacent groups of X-shaped assemblies are pivoted together pairwise through an upper connecting piece 1 and a lower connecting piece 2;
the middle top 3 is arranged in the middle of the folding frame;
a connecting rod 4 is respectively connected between the middle top 3 and at least two groups of X-shaped components; the outer end of the connecting rod 4 is pivotally fitted to the cross pipe 6 via a side link 5, and the inner end thereof is pivotally fitted to the lower surface of the middle roof 3.
In some embodiments of the present invention, a limiting groove 31 corresponding to the connecting rod 4 is provided between the lower surface and the side surface of the middle top 3, and the inner end of the connecting rod 4 is pivotally connected to the inner end of the corresponding limiting groove 31. The limiting groove 31 is formed in the lower surface of the middle top 3, so that the connecting rod 4 can rotate more stably.
In some embodiments of the present invention, the inner end of the connecting rod 4 is in interference fit with the limiting groove 31, so that the connecting rod 4 can not be separated from the limiting groove 31 due to the swing of the folding frame in the opened state, and the structure is more stable.
The utility model discloses an in some embodiments, above-mentioned X type subassembly is located two junction of crossing pipe 6 with the junction of connecting rod 4, then connecting rod 4 can act on the pulling force of its outside X type subassembly under the open mode with two junction of crossing pipe 6, avoids only 6 atresss of a crossing pipe, finally makes whole folding frame's atress more stable.
In some embodiments of the present invention, the number of the above-mentioned X-shaped assemblies is four, and the corresponding connecting rods 4 are four, so that the four X-shaped assemblies enclose a folding frame with a cuboid outer wheel buckle, and are generally used as the main body of the folding table.
In some embodiments of the present invention, the side connecting members 5 are corner connecting members.
In some embodiments of the present invention, an upper pivot groove 11 for the upper end of the cross pipe 6 to be pivotally connected is provided between the lower surface and the side surface of the upper connecting member 1.
In some embodiments of the present invention, a lower pivot groove 21 for pivotally connecting and matching the lower end of the cross pipe 6 is provided between the upper surface and the side surface of the lower connecting member 2.
Referring to fig. 1 to 8, a first embodiment of the present invention is shown.
In a first embodiment, the self-locking structure is applied to a small cloth table, the table top is made of cloth, the table top can be tightened after self-locking, and the use is convenient and attractive.
Referring to fig. 1 to 8, the working principle of the present invention is:
referring to fig. 1 and 2, in an open state, the structure is self-locked and can not be folded after an included angle A1 between the opposite connecting rods 4 is more than or equal to 180 degrees;
referring to fig. 3 and 4, in the unlocked state, the user manually lifts the middle top 3 upwards, and at this time, the included angle A2 between the opposite connecting rods 4 is less than 180 degrees, and the structure is unlocked and can be folded;
referring to fig. 5 and 6, the half-folded state, i.e. the intermediate process from the unlocked state to the folded state, is shown;
see fig. 7 and 8, in a collapsed state.
Referring to fig. 9, a second embodiment of the present invention is shown.
In a second embodiment, the self-locking structure is applied to a high-foot table, and the table top is also made of cloth and can be tightened after self-locking.
Referring to fig. 10, a third embodiment of the present invention is shown.
In a third embodiment, the self-locking structure is applied to a folding beach chair, which can be self-locked and prevent folding, and can tighten the seat cloth, so that the user feels more comfortable and comfortable when using the beach chair.
Referring to fig. 11, a fourth embodiment of the present invention is shown.
In a fourth embodiment, the self-locking structure is applied to a folding deck chair or a lying bed, the deck chair and the lying bed can be self-locked and prevented from being folded, seat cloth can be tightened, and the user feels more comfortable and comfortable when the self-locking structure is used.
Referring to fig. 12, a fifth embodiment of the present invention is shown.
In a fifth embodiment, the self-locking structure is applied to a small cloth table, the table top is made of cloth, and the table top can be tightened after self-locking, so that the use is convenient and attractive; and because the desktop is tight, the open state of the four groups of X-shaped components can be kept only by two connecting rods 4.
Through the scheme, the utility model discloses a connecting rod 4 is connected between middle top 3 in the middle of the folding frame and each X type subassembly, the pulling force of X type subassembly and middle top 3 to connecting rod 4 upward swing angle by connecting rod 4 limit to realize the auto-lock, the inboard tip of connecting rod 4 supports the lower surface at middle top 3 when the state of opening, the atress is concentrated in middle top 3 department through connecting rod 4 when making the folding frame atress, and the atress is more stable, and the folding frame no longer warp; when folded, the middle top 3 is only required to be lifted upwards, so that the operation is simpler and more convenient; the folding frame has self-locking and folding functions, and is convenient and flexible for users to select according to different conditions.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (10)
1. The utility model provides a self-locking structure of folding frame which characterized in that:
the folding frame comprises at least three groups of X-shaped components, an upper connecting piece, a lower connecting piece, a middle top, a connecting rod and side connecting pieces, wherein the X-shaped components surround the folding frame;
the X-shaped assemblies comprise two cross pipes of which the middle parts are mutually pivoted, and the cross pipes of two adjacent groups of X-shaped assemblies are pivoted together pairwise through the upper connecting piece and the lower connecting piece;
the middle top is arranged in the middle of the folding frame;
the middle top and the at least two groups of X-shaped components are respectively connected with one connecting rod; the outer end of the connecting rod is in pin joint fit with the cross pipe through the side connecting piece, and the inner end of the connecting rod is in pin joint fit with the lower surface of the middle top.
2. The self-locking structure of a folding frame of claim 1, characterized in that:
a limiting groove corresponding to the connecting rod is arranged between the lower surface and the side surface of the middle top, and the inner side end of the connecting rod is in pivot joint fit with the inner side end of the corresponding limiting groove; the end part of the inner side of the connecting rod is in interference fit with the limiting groove.
3. The self-locking structure of a folding frame of claim 1, characterized in that:
the junction of the X-shaped component and the connecting rod is positioned at the pivot joint of the two cross pipes.
4. The self-locking structure of a folding frame of claim 1, characterized in that:
the number of the X-shaped assemblies is four, and the connecting rods are four.
5. The self-locking structure of a folding frame of claim 1, characterized in that:
the side connectors are corner connectors.
6. The self-locking structure of a folding frame of claim 1, characterized in that:
an upper pivoting groove for the upper end of the cross pipe to be pivoted and matched is arranged between the lower surface and the side surface of the upper connecting piece.
7. The self-locking structure of a folding frame of claim 1, characterized in that:
and a lower pivoting groove for pivoting and matching the lower end part of the cross pipe is arranged between the upper surface and the side surface of the lower connecting piece.
8. A table comprising a self-locking structure of a folding frame according to any one of claims 1 to 7.
9. A chair comprising the self-locking structure of the folding frame according to any one of claims 1 to 7.
10. A bed comprising the self-locking structure of a folding frame according to any one of claims 1 to 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220924545.1U CN217959365U (en) | 2022-04-20 | 2022-04-20 | Self-locking structure of folding frame and desk, chair and bed using same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220924545.1U CN217959365U (en) | 2022-04-20 | 2022-04-20 | Self-locking structure of folding frame and desk, chair and bed using same |
Publications (1)
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CN217959365U true CN217959365U (en) | 2022-12-06 |
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CN202220924545.1U Active CN217959365U (en) | 2022-04-20 | 2022-04-20 | Self-locking structure of folding frame and desk, chair and bed using same |
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2022
- 2022-04-20 CN CN202220924545.1U patent/CN217959365U/en active Active
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