Anti-pinch mechanism applied to folding sofa bed
By providing a clamping mechanism between the first folding bed rod and the second folding bed rod of the folding sofa bed, the problem of clamping the mattress during folding is solved, and effective protection of the mattress is achieved.
Patent Information
- Application Number
- CN202422077660.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-27
AI Technical Summary
The pivot position between the first folding bed lever and the second folding bed lever of the folding sofa bed will cause the phenomenon of clamping the mattress when folded, resulting in the mattress being easily damaged.
A clamping mechanism is designed, including a sliding groove member and a connecting member. The slide groove member is arranged on one side of the first folding bed lever, the second end of the connecting member is slidably arranged in the sliding groove, and the middle section is connected to the mattress, and the mattress is driven away from the pivot position between the first folding bed lever and the second folding bed lever through the connecting member.
The pivot position between the first folding bed lever and the second folding bed lever is effectively avoided to cause the phenomenon of clamping the mattress when folded, and protect the mattress from damage.
Smart Images
Figure CN222968206U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to a piece of furniture, and in particular to an anti-pinch mechanism applied to a folding sofa bed. Background Art
[0002] A bed is one of the essential household items in people's home life. However, usually, a bed occupies a relatively large floor area and often takes up a considerable living space. In order to improve the reasonable usable area, people have thus come up with ways to improve the usage mode of the bed to obtain a larger activity space. Therefore, the sofa bed industry has emerged.
[0003] Please refer to Figures 1 to 3 , Figure 1 which is the unfolded state diagram of the current folding sofa bed, Figure 2 the semi-folded state diagram and Figure 3 is Figure 2 the partial enlarged view of part A in Figure 3 . As shown in the figure, the mattress S1 of the current folding sofa bed S is directly fixed on the folding bed frame S2. During the folding and retracting movement of the folding sofa bed S, the first folding bed rod S21 of the folding bed frame S2 rotates upward and towards the folding direction, and a phenomenon of pinching the mattress S1 will occur near the pivot position S23 between the first folding bed rod S21 and the second folding bed rod S22 (as shown at B in Utility Model Content
[0004] The embodiment of the present application provides an anti-pinch mechanism applied to a folding sofa bed, which solves the problem that the pivot position between the first folding bed rod and the second folding bed rod of the current folding sofa bed will pinch the mattress during folding.
[0005] In order to solve the above technical problems, the present application is implemented as follows:
[0006] A pinch prevention mechanism applied to a folding sofa bed is provided to prevent the phenomenon of pinching the mattress at the pivoting position between the first folding bed rod and the second folding bed rod on the folding bed frame. It includes a chute member and a linkage member. The chute member is arranged on one side of the first folding bed rod close to the second folding bed rod. The chute member has a chute, which is located on the inner side surface of the first folding bed rod and extends along the length direction of the first folding bed rod. The linkage member has a relative first end and a second end, and a middle section located between the first end and the second end. The first end is pivotally connected to the second folding bed rod, the second end is slidably arranged in the chute, and the middle section is located between the second folding bed rod and the mattress and is connected to the mattress. When the folding sofa bed is in the unfolded state, the second end is located on the side of the chute close to the second folding bed rod, and the mattress is located on the first folding bed rod and the second folding bed rod. During the folding process of the folding sofa bed, the first folding bed rod drives the second end to slide towards the other side of the chute, a triangle is formed between the middle section, the first folding bed rod and the second folding bed rod, and the linkage member drives the mattress away from the pivoting position between the first folding bed rod and the second folding bed rod.
[0007] In one embodiment, the first end of the linkage member has a pivot rod, and the first end is pivotally connected to the second folding bed rod through the pivot rod passing through the second folding bed rod.
[0008] In one embodiment, it further includes: a gasket, which is located between the first end and the second folding bed rod, and the pivot rod passes through the gasket.
[0009] In one embodiment, the second end of the linkage member has a slide rod, and the second end is slidably arranged in the chute through the slide rod.
[0010] In one embodiment, the middle section of the linkage member has a connecting plate, and the connecting plate is connected to the mattress. When the folding sofa bed is in the unfolded state, the connecting plate is attached to the first folding bed rod.
[0011] In one embodiment, the side of the middle section of the linkage member away from the mattress has an avoidance groove for avoiding the parts on the second folding bed rod.
[0012] In one embodiment, the chute member further has a right-angle plate. The first side plate of the right-angle plate is fixed to the upper surface of the first folding bed rod, the second side plate of the right-angle plate is attached to the inner side surface of the first folding bed rod, and the chute is located on the second side plate of the right-angle plate.
[0013] In one embodiment, the first side plate of the right-angle plate is fixedly arranged on the first folding bed rod by screws.
[0014] In one embodiment, the chute is a rectangular through-hole.
[0015] In the embodiments of the present application, by arranging a chute member and a linkage member between the first folding bed rod and the second folding bed rod, during the upward folding process of the first folding bed rod, the first folding bed rod drives the second end of the linkage member to slide towards the other side of the chute of the chute member, so that a triangle is formed between the linkage member, the first folding bed rod and the second folding bed rod. At this time, the linkage member drives the mattress away from the pivoting position of the first folding bed rod and the second folding bed rod, thereby avoiding the phenomenon of clamping the mattress at the pivoting position between the first folding bed rod and the second folding bed rod when folding. The anti-clamping mechanism applied to the folding sofa bed in the present application is an optional structure, and users can selectively install it according to product requirements, which increases the flexibility of the product and meets the needs of different customers. Description of the Drawings
[0016] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:
[0017] Figure 1 is the unfolded state diagram of the current folding sofa bed;
[0018] Figure 2 is the semi-folded state diagram of the current folding sofa bed;
[0019] Figure 3 is Figure 2 the partial enlarged view at A in
[0020] Figure 4 is the semi-folded state diagram of the anti-clamping mechanism applied to the folding sofa bed in the present application;
[0021] Figure 5 is the schematic unfolded state diagram of the anti-clamping mechanism applied to the folding sofa bed in the present application;
[0022] Figure 6 is the schematic semi-folded state diagram of the anti-clamping mechanism applied to the folding sofa bed in the present application;
[0023] Figure 7 is the exploded view of the unfolded state of the anti-clamping mechanism applied to the folding sofa bed in the present application;
[0024] Figure 8 is Figure 4 the partial enlarged view at C in Detailed Embodiments
[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the protection scope of the present application.
[0026] In the description of the present application, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying 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 a limitation to the present application.
[0027] In addition, regarding the use of "first", "second", etc. in this article, it does not particularly refer to the meaning of order or sequence, nor is it used to limit the present application. It is only used to distinguish components or operations described with the same technical terms.
[0028] Please refer to Figures 4 to 7 , Figure 4 is a semi-folded state diagram of the present application applied to a folding sofa bed, Figure 5 and Figure 6 are respectively schematic diagrams of the deployed state and semi-folded state of the anti-pinch mechanism of the present application applied to a folding sofa bed, and Figure 7 is an exploded view of the deployed state of the anti-pinch mechanism of the present application applied to a folding sofa bed. As shown in the figure, the anti-pinch mechanism 10 of the present application applied to a folding sofa bed is used to prevent the clamping of the mattress S1 at the pivoting position S23 of the first folding bed rod S21 and the second folding bed rod S22 on the folding bed frame S2 during folding. The anti-pinch mechanism 10 of the folding sofa bed includes a chute member 1 and a linkage member 2. The chute member 1 is disposed on one side of the first folding bed rod S21 close to the second folding bed rod S22. The chute member 1 has a chute 11. The chute 11 is located on the inner side surface 211 of the first folding bed rod S21. The chute 11 extends along the length direction of the first folding bed rod S21. In this embodiment, the chute member 1 further has a right-angle plate 12. The first side plate 121 of the right-angle plate 12 is fixed to the upper surface S212 of the first folding bed rod S21. The first side plate 121 of the right-angle plate 12 can be fixedly disposed on the first folding bed rod S21 through a screw 13. The second side plate 122 of the right-angle plate 12 is attached to the inner side surface 211 of the first folding bed rod S21. The chute 11 is located on the second side plate 122 of the right-angle plate 12. The chute 11 is a rectangular through-hole.
[0029] As described above, the linkage member 2 has opposite first and second ends 21 and 22 and a middle section 23 located between the first and second ends 21 and 22. The first end 21 is pivotally connected to the second folding bed rod S22. The first end 21 of the linkage member 2 has a pivot rod 211, and the first end 21 is pivotally connected to the second folding bed rod S22 by passing the pivot rod 211 through the second folding bed rod S22. A gasket 24 is provided between the first end 21 and the second folding bed rod, and the pivot rod 211 passes through the gasket 24 to reduce the friction between the linkage member 2 and the second folding bed rod S22 through the gasket 24. The second end 22 is slidably disposed in the chute 11. The second end 22 of the linkage member 2 has a slide rod 221, and the second end 22 is slidably disposed in the chute 11 through the slide rod 221. The middle section 23 is located between the second folding bed rod S22 and the mattress S1 and connects to the mattress S1. The middle section 23 of the linkage member 2 has a connecting plate 231. The connecting plate 231 is connected to the mattress S1. When the folding sofa bed is in the unfolded state, the connecting plate 231 is attached to the first folding bed rod S21. On the side of the middle section 23 of the linkage member 2 away from the mattress S1, there is an avoidance groove 232 for avoiding parts on the second folding bed rod S22, such as nuts, etc.
[0030] Refer back to Figures 4 to 7 As shown, the pinch prevention mechanism 10 applied to the folding sofa bed in this embodiment is provided with a chute member 1 and a linkage member 2 between the first folding bed rod S21 and the second folding bed rod S22. When the folding sofa bed S is in the unfolded state, the second end 22 of the linkage member 2 is located on the side of the chute 11 of the chute member 1 close to the second folding bed rod S22. The mattress S1 is located on the first folding bed rod S21 and the second folding bed rod S22. It should be noted that the state of the mattress S1 at this time is the same as the unfolded state of the mattress of the current folding sofa bed.
[0031] As described above, please refer to Figure 8 together, which is Figure 4 a partial enlarged view of the C position in ; as shown in the figure, during the folding process of the folding sofa bed S, the first folding bed rod S1 is folded upward, and the first folding bed rod S21 drives the second end 22 of the linkage member 2 to slide toward the other side of the chute 11 of the chute member 1, so that a triangle is formed between the middle section 23 of the linkage member 2, the first folding bed rod S21, and the second folding bed rod S22. At this time, the linkage member 2 drives the mattress S1 away from the pivot position S23 between the first folding bed rod S21 and the second folding bed rod S22, thereby avoiding the phenomenon of pinching the mattress S1 at the pivot position S23 when the first folding bed rod S21 and the second folding bed rod S22 are folded. The pinch prevention mechanism 10 applied to the folding sofa bed in this embodiment is an optional structure, and users can selectively install it according to product requirements, increasing the flexibility of the product and meeting the needs of different customers.
[0032] In summary, the present application provides an anti-pinch mechanism for a folding sofa bed. By arranging a sliding groove member and a linkage member between the first folding bed rod and the second folding bed rod, during the upward folding process of the first folding bed rod, the first folding bed rod drives the second end of the linkage member to slide towards the other side of the sliding groove of the sliding groove member, so that a triangle is formed between the linkage member, the first folding bed rod and the second folding bed rod. At this time, the linkage member drives the mattress away from the pivoting position of the first folding bed rod and the second folding bed rod, thereby avoiding the phenomenon of pinching the mattress at the pivoting position between the first folding bed rod and the second folding bed rod when folding. The anti-pinch mechanism for the folding sofa bed of the present application is an optional structure, and users can selectively install it according to product requirements, increasing the flexibility of the product and meeting the needs of different customers.
[0033] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including that element.
[0034] The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection scope of the present application.
Claims
1. An anti-pinching mechanism for a folding sofa bed, used to prevent the first folding bed bar and the second folding bed bar on the folding bed frame from pinching the mattress when folding, characterized in that: include: A slide member, arranged on a side of the first folding bed rod close to the second folding bed rod, the slide member having a slide, the slide being located on the inner side of the first folding bed rod, and extending along the length direction of the first folding bed rod; A linkage, comprising a first end and a second end opposite to each other and a middle section located between the first end and the second end, wherein the first end is pivotally connected to the second folding bed rod, the second end is slidably disposed in the slide slot, and the middle section is located between the second folding bed rod and the mattress and connected to the mattress; The folding sofa bed is in an unfolded state, the second end is located on a side of the slide close to the second folding bed rod, the mattress is located on the first folding bed rod and the second folding bed rod, and when the folding sofa bed is folded, the first folding bed rod drives the second end to slide toward the other side of the slide, a triangle is formed between the middle section and the first folding bed rod and the second folding bed rod, and the linkage drives the mattress away from the pivot position of the first folding bed rod and the second folding bed rod.
2. The anti-pinch mechanism for a folding sofa bed according to claim 1, characterized in that: The first end of the linkage member has a pivot rod, and the first end is penetrated through the second folding bed rod through the pivot rod and is pivotally connected to the second folding bed rod.
3. The anti-pinch mechanism for a folding sofa bed according to claim 2, characterized in that: It further includes a gasket located between the first end and the second folding bed rod, and the pivot rod passes through the gasket.
4. The anti-pinch mechanism for a folding sofa bed according to claim 1, characterized in that: The second end of the linkage member has a sliding rod, and the second end is slidably disposed in the sliding groove through the sliding rod.
5. The anti-pinch mechanism for a folding sofa bed according to claim 1, characterized in that: The middle section of the linkage has a connecting plate, and the connecting plate is connected to the mattress. When the folding sofa bed is in an unfolded state, the connecting plate is attached to the first folding bed rod.
6. The anti-pinch mechanism for a folding sofa bed according to claim 1, characterized in that: A side of the middle section of the linkage member away from the mattress is provided with an escape groove, and the escape groove is used to escape parts on the second folding bed rod.
7. The anti-pinch mechanism for a folding sofa bed according to claim 1, characterized in that: The slide member further has a right-angle plate, a first side plate of the right-angle plate is fixed to the upper surface of the first folding bed rod, a second side plate of the right-angle plate is attached to the inner side surface of the first folding bed rod, and the slide is located on the second side plate of the right-angle plate.
8. The anti-pinch mechanism for a folding sofa bed according to claim 7, characterized in that: The first side plate of the right-angle plate is fixed on the first folding bed rod by screws.
9. The anti-pinch mechanism for a folding sofa bed according to claim 1, characterized in that: The slide groove is a rectangular through hole.