CN222466464U - Folding linkage mechanism - Google Patents
Folding linkage mechanism Download PDFInfo
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- CN222466464U CN222466464U CN202420559772.8U CN202420559772U CN222466464U CN 222466464 U CN222466464 U CN 222466464U CN 202420559772 U CN202420559772 U CN 202420559772U CN 222466464 U CN222466464 U CN 222466464U
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Abstract
本实用新型提供了一种折叠联动机构，包括第一折叠板、第二折叠板以及第三折叠板，第二折叠板与第三折叠板分别设置在第一折叠板的两侧，且两者之间通过联动组件联动设置；联动组件包括驱动结构、从动结构以及推拉件，驱动结构将第二折叠板与第一折叠板、推拉件连接，从动结构将第三折叠板与推拉件连接，在驱动第二折叠板时，实现链式传动，进而驱动第三折叠板，形成第二折叠板与第三折叠板相对于第一折叠板的折叠联动，操作方便快捷，一步到位。
The utility model provides a folding linkage mechanism, including a first folding plate, a second folding plate and a third folding plate. The second folding plate and the third folding plate are respectively arranged on both sides of the first folding plate, and the two are linked by a linkage component. The linkage component includes a driving structure, a driven structure and a push-pull member. The driving structure connects the second folding plate with the first folding plate and the push-pull member, and the driven structure connects the third folding plate with the push-pull member. When the second folding plate is driven, chain transmission is realized, and then the third folding plate is driven, so that the second folding plate and the third folding plate are folded in linkage with respect to the first folding plate. The operation is convenient and quick, and it can be completed in one step.
Description
Technical Field
The utility model relates to the field of furniture, in particular to a folding linkage mechanism.
Background
The chair is office furniture which is used for people to sit when working and learning, and the office staff can feel tired after sitting for a long time, so that the office staff needs to rest and relax after sitting for a long time in order to relieve working fatigue. The traditional office chair consists of a backrest, a seat cushion and supportable chair legs, wherein the positions of the backrest and the seat cushion are relatively fixed, and a person cannot lie down for rest. Office staff often need to purchase furniture suitable for lying down in addition to realize sitting, working and lying down for rest, but the space of an office place is occupied, so that the office staff is not suitable for offices with narrow space.
When a user lies on a chair for rest, the user hopes to have a foot rest to support the feet, the width of the existing foot rest is narrower, the user can be pressed, and in order to have a more comfortable and wide foot rest, a folding linkage mechanism is required to be arranged in the foot rest, so that the actions of unfolding the foot rest and folding the foot rest are conveniently realized.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a folding linkage mechanism which comprises a first folding plate, a second folding plate and a third folding plate, wherein the second folding plate and the third folding plate are respectively arranged on two sides of the first folding plate and are in linkage arrangement through a linkage assembly, the linkage assembly comprises a driving structure, a driven structure and a push-pull piece, the driving structure is used for connecting the second folding plate with the first folding plate and the push-pull piece, the driven structure is used for connecting the third folding plate with the push-pull piece, chain transmission is realized when the second folding plate is driven, and then the third folding plate is driven to form folding linkage of the second folding plate and the third folding plate relative to the first folding plate, so that the operation is convenient and quick, and one-step in place.
The technical scheme of the utility model is realized as follows:
A folding linkage mechanism comprises a first folding plate, a second folding plate and a third folding plate, wherein the second folding plate and the third folding plate are respectively arranged on two sides of the first folding plate, a linkage assembly is arranged between the second folding plate and the third folding plate, the second folding plate and the third folding plate are in linkage arrangement through the linkage assembly, the linkage assembly comprises a push-pull piece, a driven structure and a driving structure, the second folding plate is connected with the first folding plate through the driving structure, the third folding plate is connected with the first folding plate through the driven structure, the driving structure drives the push-pull piece to move when the linkage assembly is configured to turn the second folding plate, the push-pull piece drives the driven structure to move, and the driven structure drives the third folding plate to rotate in the same direction relative to the first folding plate.
When the second folding plate moves, the pushing and pulling piece drives the third folding plate to give the same-direction force to the third folding plate, so that the second folding plate and the third folding plate are linked in the same direction, and the second folding plate and the third folding plate are folded and unfolded on the first folding plate in a linked manner, so that the operation is convenient and quick, and the folding device is in place in one step.
Preferably, the driving structure comprises a first connecting rod, a second connecting rod, a first guide groove structure arranged between the first connecting rod and the second folding plate and a second guide groove structure arranged between the second connecting rod and the first folding plate, the driven structure comprises a third guide groove structure arranged between the push-pull piece and the third folding plate, the first connecting rod is respectively and rotatably connected with the first folding plate, the second connecting rod and the push-pull piece, the second connecting rod is rotatably connected with the second folding plate, the end part of the third folding plate is rotatably connected with the end part of the first folding plate, and a third connecting rod is further arranged between the first folding plate and the push-pull piece. The four-bar linkage mechanism is formed by the first folding plate, the first connecting rod, the push-pull piece and the third connecting rod, synchronous linkage of the second folding plate and the third folding plate can be realized by the scheme, the operation is convenient, relative rotation between the two rod pieces can be realized by the guide groove structure, and meanwhile, the allowance of relative movement between the two rod pieces can be given, so that linkage is smoothly carried out, and movement interference is prevented.
Preferably, the first guide groove structure comprises a first guide groove and a first sliding part, the first guide groove is formed in the second folding plate, the first sliding part is arranged on the first connecting rod, the first sliding part is arranged in the first guide groove, the second guide groove structure comprises a second guide groove and a second sliding part, the second guide groove is formed in the first folding plate, the second sliding part is arranged on the second connecting rod, the second sliding part is arranged in the second guide groove, the third guide groove structure comprises a third guide groove and a third sliding part, the third guide groove is formed in the third folding plate, the third sliding part is arranged on the push-pull part, and the third sliding part is arranged in the third guide groove. When the second folding plate and the third folding plate move, the sliding piece can move back and forth in the corresponding guide groove so as to realize the relative movement between the rod pieces.
Preferably, the first connecting rod is approximately T-shaped, the second connecting rod is approximately U-shaped, the first connecting rod and the second connecting rod are arranged in a staggered mode, and the middle part of the first connecting rod is rotationally connected with the middle part of the second connecting rod. The first connecting rod and the second connecting rod are driving structures and are used for driving the push-pull piece to move according to a preset movement track after the second folding plate is turned over.
Preferably, the driving structure comprises a first connecting rod, the driven structure comprises a third guide groove structure arranged between the push-pull piece and the third folding plate, the first connecting rod is respectively and rotatably connected with the first folding plate, the second folding plate and the push-pull piece, the end part of the third folding plate is rotatably connected with the end part of the first folding plate, and a third connecting rod is further arranged between the first folding plate and the push-pull piece. The linkage assembly is simplified, and the linkage of the second folding plate and the third folding plate is realized under a simple structure.
Preferably, the first connecting rod is convexly provided with a limiting part, the second folding plate is selectively attached to the limiting part, and the limiting part is configured to enable the second folding plate to continue to rotate to drive the first connecting rod to move when the second folding plate rotates to be attached to the limiting part. The movement of the first connecting rod can realize the linkage of the push-pull piece and the third folding plate.
Preferably, the push-pull member is arranged beside the first folding plate and moves relative to the first folding plate, and when the push-pull member moves relative to the first folding plate, the push-pull member drives the second folding plates and the third folding plates on two sides to rotate in the same direction.
The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:
When the second folding plate moves, the pushing and pulling piece drives the third folding plate to give the same-direction force to the third folding plate, so that the second folding plate and the third folding plate are linked in the same direction, and the second folding plate and the third folding plate are folded and unfolded on the first folding plate in a linked manner, so that the operation is convenient and quick, and the folding device is in place in one step.
Drawings
FIG. 1 is a schematic perspective view of the seat leg rest of the present utility model in an extended state in embodiment 1;
FIG. 2 is a side view of the seat leg rest of the present utility model in the extended state of example 1;
Fig. 3 is a schematic perspective view of the seat leg rest in the case of switching between the unfolded state and the stacked state in embodiment 1 of the present utility model;
FIG. 4 is a side view of the seat leg rest of the present utility model in switching between the extended and stacked conditions in embodiment 1;
Fig. 5 is a schematic perspective view of the seat leg rest in the stacked state in embodiment 1 of the present utility model;
FIG. 6 is a side view of the seat leg rest of the present utility model in the stacked state in embodiment 1;
FIG. 7 is a schematic perspective view of the seat and the leg rest according to the embodiment 1;
FIG. 8 is a schematic diagram showing a seat and a leg rest according to the second embodiment of the present utility model;
FIG. 9 is a schematic view of the present utility model in embodiment 1 with the seat leg rest extended and retracted on the seat;
FIG. 10 is a schematic view of a seat according to the present utility model with a receiving space formed thereon in embodiment 1;
FIG. 11 is a schematic perspective view of the seat leg rest in the unfolded state in embodiment 2 of the present utility model;
FIG. 12 is a side view of the seat leg rest of the utility model in the extended state in example 2;
Fig. 13 is a schematic view showing the second folding plate rotated to abut against the stopper portion in embodiment 2 of the present utility model;
Fig. 14 is a schematic perspective view of the seat leg rest in the stacked state in embodiment 2 of the present utility model;
Fig. 15 is a side view of the seat leg rest in the stacked state in embodiment 2 of the present utility model.
The reference numerals are a middle support assembly 1, an upper support assembly 2, a lower support assembly 3, a seat 4, a telescopic assembly 5, a containing space 6, a base 7, a first folding plate 8, a push-pull member 9, a middle guide groove 10, a middle guide member 11, a second folding plate 12, a first connecting rod 13, a second connecting rod 14, a third connecting rod 15, a third folding plate 16, a first guide groove 17, a first sliding member 18, a third guide groove 19, a third sliding member 20, a second guide groove 21, a second sliding member 22 and a limiting part 23.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, 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.
The specific embodiments of the present utility model are as follows:
Examples
As shown in figures 1-6, the utility model provides a folding linkage mechanism which comprises a first folding plate, a second folding plate and a third folding plate, wherein the second folding plate and the third folding plate are respectively arranged on two sides of the first folding plate, a linkage assembly is arranged between the second folding plate and the third folding plate, the second folding plate and the third folding plate are in linkage arrangement through the linkage assembly, the linkage assembly comprises a push-pull piece, a driven structure and a driving structure, the second folding plate is connected with the first folding plate through the driving structure, the third folding plate is connected with the first folding plate through the driven structure, the driving structure is connected with the driven structure through the push-pull piece, when the linkage assembly is configured to turn the second folding plate, the driving structure drives the push-pull piece to move, and the push-pull piece drives the driven structure to move, and the driven structure drives the third folding plate to rotate in the same direction relative to the first folding plate.
The folding linkage mechanism is applied to a multi-section type seat leg rest, the multi-section type seat leg rest comprises a middle supporting component 1, at least one upper supporting component 2 and at least one lower supporting component 3, the upper supporting component 2 and the lower supporting component 3 are respectively arranged at two ends of the middle supporting component 1, the upper supporting component 2 and the lower supporting component 3 are respectively arranged in a rotating mode relative to the middle supporting component 1, the upper supporting component 2 and the lower supporting component 3 are in linkage through the middle supporting component 1, the seat leg rest has a stacked state and an unfolding state, the upper supporting component 2 is located above the middle supporting component 1 in the stacked state, the lower supporting component 3 is located below the middle supporting component 1, the seat leg rest is in a multi-layer stacked state, the upper supporting component 2 and the lower supporting component 3 are respectively located at the front side and the rear side of the middle supporting component 1 in the unfolding state, the upper supporting component 2 is located above the middle supporting component 1 and rotates in the front-rear direction relative to the middle supporting component 1 when the stacked state is switched, the upper supporting component 2 and the lower supporting component 3 is rotated towards the upper supporting component 1 in the folded state, and the lower supporting component 3 is folded towards the middle supporting component 1 in the folded state when the stacked state is switched from the folded state to the folded state.
The multi-section type seat leg rest is provided with the multi-section supporting component, can support leg steps of a human body in a large range from the aspect of supporting area, reduces pressing sense, greatly improves use comfort, is low in packaging and transportation cost due to the multi-section type supporting component from the aspect of structure, can be switched between a stacking state and a unfolding state, can reduce occupied space, and is simpler and more convenient to operate from the aspect of operation due to the linkage characteristic.
As shown in fig. 7-10, the seat leg rest is applied to a seat, the seat comprises a seat base 4 and the multi-section seat leg rest, the seat base 4 and the seat leg rest are connected through a telescopic assembly 5, the telescopic assembly 5 is configured to stretch the seat leg rest forward to extend out of the front of the seat base 4, the telescopic assembly 5 is folded to fold the seat leg rest below the seat base 4, a containing space 6 is formed by sinking below the front part of the seat base 4, and when the telescopic assembly 5 is folded, the seat leg rest is folded in a stacked state in the containing space 6. When the telescopic component 5 is folded, the seat leg rest is folded in the accommodating space 6 in a stacked state, so that the effect of reducing the space utilization rate and enhancing the integration of the seat is achieved, the structure is reasonable and attractive, and after the telescopic component 5 is lengthened, the seat leg rest can be positioned in front of the seat 4 in an unfolding state, and a large-range and comfortable leg and foot support is provided.
Further, in order to achieve reasonable space utilization, ergonomics and comfort in use, an automatic tilting function is designed for the seat leg rest, and specifically, the seat leg rest further comprises a base 7, a middle support assembly 1 is rotatably arranged on the base 7, the middle support assembly 1 comprises a first folding plate 8 and a push-pull piece 9, the first folding plate 8 is rotatably connected with the base 7, the push-pull piece 9 is connected with the base 7 through a guide groove structure, the push-pull piece 9 is connected with the first folding plate 8 through two swing connecting rods arranged at intervals, the push-pull piece 9 is configured to move from a stacked state to a unfolded state, the push-pull piece 9 drives the first folding plate 8 to rotate relative to the base 7 under the effect of the guide groove structure, and enables the upper support assembly 2, the middle support assembly 1 and the lower support assembly 3 to tilt front and back, in the unfolded state, a middle guide groove 10 is further formed in the push-pull piece 9, the middle guide groove 10 is a waist-shaped groove bent upwards, the middle guide piece 11 is arranged on the base 7, the middle guide piece 11 is arranged in the middle guide groove 10, and the push-pull piece 9 moves relative to the base 7 when the middle folding plate and the middle support assembly is switched between the stacked state and the folded state and the middle support assembly 7 rotates relative to the first folding plate 11.
The scheme realizes the automatic tilting function of the seat leg rest, namely, in a unfolding state, the middle support assembly 1, the upper support assembly 2 and the lower support assembly 3 can tilt at a certain angle, legs of a human body can naturally rest on the seat leg rest, so that comfort is improved, in a stacking state, the three parts can return to a horizontal posture and can be folded back below the seat 4 in a fitting manner, further, two swing connecting rods arranged at intervals enable the first folding plate 8, the push-pull piece 9 and the connecting rods between the first folding plate 8 and the push-pull piece 9 to form a four-bar mechanism, so that linkage of the first folding plate 8 and the push-pull piece 9 is realized, the middle guide groove 10 is characterized by an automatic tilting basis, the rotation of the first folding plate 8 and the push-pull piece 9 relative to the base 7 is realized through different positions and angles of the middle guide piece 11 in the middle guide groove 10, and the middle guide piece 11 mainly plays a role in realizing that the seat leg rest has angle change in the stacking state and the unfolding state, and the tilting of the seat leg rest is more suitable for human body in the unfolding state.
In order to realize synchronous movement of the upper support assembly 2 and the lower support assembly 3, in the embodiment, the upper support assembly 2 comprises a second folding plate 12, a first connecting rod 13 and a second connecting rod 14, the middle support assembly 1 comprises a third connecting rod 15, a first folding plate 8 and a push-pull piece 9, the lower support assembly 3 comprises a third folding plate 16, the first connecting rod 13 is connected with the second folding plate 12 through a first guide groove structure, the second connecting rod 14 is rotationally connected with the second folding plate 12 and the first connecting rod 13, the second connecting rod 14 is connected with the first folding plate 8 through a second guide groove structure, the rear end part of the first folding plate 8 is connected with the rear end part of the push-pull piece 9 through the first connecting rod 13, the front part of the first folding plate 8 is connected with the front part of the push-pull piece 9 through the third connecting rod 15, the third folding plate 16 is rotationally connected with the front end of the first folding plate 8, when the third folding plate 16 is driven to move through the third guide groove structure, the second folding plate 12 drives the first connecting rod 13 to move with the second connecting rod 14 and the second connecting rod 13 to move relatively to the first folding plate 8 and the push-pull piece 9, and the second connecting rod 13 can move relatively to the first folding plate 8 and the first connecting rod 9. In this scheme, upper support subassembly 2 and lower support subassembly 3 can realize synchronous motion, and when expanding upper support subassembly 2, lower support subassembly 3 also expands thereupon, convenient operation is simple.
If only the second folding plate 12 and the third folding plate 16 are required to rotate relative to the first folding plate 8, the second folding plate 12 and the third folding plate 16 are required to be rotationally connected to the first folding plate 8, but if synchronous movement of the second folding plate 12 and the third folding plate 16 is required to be achieved, a plurality of linkage members are indispensable between the second folding plate 12 and the third folding plate 16, the linkage members in the embodiment are a link member and a guide groove structure, the link member is used for connection and transmission, the guide groove structure is used for defining a movement track, the linkage is achieved integrally, and meanwhile, a preset action can be carried out, for example, the first folding plate 8, the push-pull member 9 and the links between the first folding plate 8 and the push-pull member form a four-link mechanism, a movement allowance is reserved, the guide member can move back and forth in the guide groove structure, and meanwhile, relative rotation between the two members can be achieved, relative rotation and movement between the two members can be achieved relative to the guide groove, and the guide groove also provides limit for the guide member, and normal smoothness and smoothness of the integral movement are guaranteed.
Specifically, the guide groove structure between the second folding plate 12 and the first link 13 includes a first guide groove 17 and a first slider 18, the first slider 18 is disposed at an end of the first link 13, the first guide groove 17 is opened on the second folding plate 12, and the first slider 18 is disposed in the first guide groove 17; the guide groove structure between the push-pull member 9 and the base 7 is not described in detail, the guide groove structure between the third folding plate 16 and the push-pull member 9 includes a third guide groove 19 and a third sliding member 20, the third guide groove 19 is formed at the rear end of the third folding plate 16, the third sliding member 20 is formed at the front end of the push-pull member 9, the third sliding member 20 is formed in the third guide groove 19, the guide groove structure is used for driving the third folding plate 16 to move, the guide groove structure between the second connecting rod 14 and the first folding plate 8 includes a second guide groove 21 and a second sliding member 22, the second guide groove 21 is formed on the first folding plate 8, the second sliding member 22 is formed at the end of the second connecting rod 14, the second sliding member 22 is formed in the second guide groove 21, so that the second connecting rod 14 can adaptively move relative to the first folding plate 8 during state switching, and smooth movement can be realized, the second folding plate 12 and the first connecting rod 13 are used for driving the second folding plate 12 to move relative to the first guide groove 13 and the second sliding member 22 to move relative to the first guide groove 17 and the second sliding member 22 during state switching, and the second sliding member 17 can move relative to the second guide groove 22 and the second sliding member 17 to and the second sliding member 18 during the state switching.
Further illustratively, the driving structure includes a first link, a second link, and first and second channel structures, and the driven structure includes a third channel structure.
More specifically, the first link 13 is substantially T-shaped and has three ends, which are respectively used to pivotally connect the second folding plate 12, the first folding plate 8, and the push-pull member 9, wherein two swinging links between the first folding plate 8 and the push-pull member 9 are the first link 13 and the third link 15, and the second link 14 is substantially U-shaped, and both ends thereof are connected to the second folding plate 12 and the first folding plate 8, and the middle thereof is pivotally connected to the first link 13, so that when the second folding plate 12 moves through the first link 13 and the second link 14, the first folding plate 8 and the push-pull member 9 are linked without interference, and the third folding plate 16 is linked.
Examples
The present embodiment differs from embodiment 1 in the driving structure, specifically:
As shown in fig. 11-15, in order to simplify the structure and save the production cost as much as possible, the upper support assembly 2 is simplified to only leave the second folding plate 12 and the first connecting rod 13, the second folding plate 12 is rotationally connected with the first connecting rod 13, the first connecting rod 13 is convexly provided with a limiting part 23, the limiting part 23 is configured such that when the second folding plate 12 moves towards the unfolded state in the stacking state, the second folding plate 12 rotates relative to the first connecting rod 13 first, when the second folding plate 12 rotates to be abutted against the limiting part 23, the second folding plate 12 continues to rotate to drive the first connecting rod 13 to move, in the unfolded state, the second folding plate 12 is abutted against the limiting part 23, the rotation of the second folding plate 12 is limited by the limiting part 23, and after the second folding plate 12 rotates to be abutted against the limiting part 23, the second folding plate 12 continues to rotate to drive the first connecting rod 13 to move, so as to drive the whole linkage.
In this solution, the second folding plate 12 and the third folding plate 16 move in an unsynchronized manner, but the upper support assembly 2 and the lower support assembly 3 are still in linkage, in this solution, the second folding plate 12 is rotated first, and after the second folding plate 12 rotates to a certain angle, the first connecting rod 13 moves along with it, so that the overall linkage is realized, in this solution, the structure is simpler, and the production cost is lower.
Further illustratively, the driving structure includes a first link and the driven structure includes a third channel structure.
Claims (7)
1. A folding linkage mechanism is characterized by comprising a first folding plate, a second folding plate and a third folding plate, wherein the second folding plate and the third folding plate are respectively arranged on two sides of the first folding plate, a linkage assembly is arranged between the second folding plate and the third folding plate, the second folding plate and the third folding plate are in linkage arrangement through the linkage assembly, the linkage assembly comprises a push-pull piece, a driven structure and a driving structure, the second folding plate is connected with the first folding plate through the driving structure, the third folding plate is connected with the first folding plate through the driven structure, the driving structure is connected with the driven structure through the push-pull piece, when the linkage assembly is configured to turn the second folding plate, the driving structure drives the push-pull piece to move, the push-pull piece drives the driven structure to move, and the driven structure drives the third folding plate to rotate in the same direction relative to the first folding plate.
2. The folding linkage of claim 1 wherein the drive structure comprises a first link, a second link, a first channel structure disposed between the first link and the second folding plate, and a second channel structure disposed between the second link and the first folding plate, the driven structure comprises a third channel structure disposed between the push-pull member and the third folding plate, the first link is rotatably coupled to the first folding plate, the second link, and the push-pull member, respectively, the second link is rotatably coupled to the second folding plate, the third folding plate end is rotatably coupled to the first folding plate end, and a third link is further disposed between the first folding plate and the push-pull member.
3. The folding linkage of claim 2, wherein the first channel structure comprises a first guide slot and a first slider, the first guide slot is formed in the second folding plate, the first slider is arranged on the first connecting rod, the first slider is arranged in the first guide slot, the second channel structure comprises a second guide slot and a second slider, the second guide slot is formed in the first folding plate, the second slider is arranged on the second connecting rod, the second slider is arranged in the second guide slot, the third channel structure comprises a third guide slot and a third slider, the third guide slot is formed in the third folding plate, the third slider is arranged on the push-pull member, and the third slider is arranged in the third guide slot.
4. The folding linkage of claim 2 wherein the first link is generally T-shaped and the second link is generally U-shaped, the first link and the second link are staggered and the middle of the first link is rotatably connected with the middle of the second link.
5. The folding linkage of claim 1 wherein the drive structure comprises a first link, the driven structure comprises a third channel structure disposed between the push-pull member and the third folding plate, the first link is rotatably coupled to the first folding plate, the second folding plate, and the push-pull member, respectively, the third folding plate is rotatably coupled to the first folding plate, and a third link is disposed between the first folding plate and the push-pull member.
6. The folding linkage of claim 5, wherein the first link is provided with a stop portion, and the second folding plate selectively abuts against the stop portion, and the stop portion is configured to continue to rotate to drive the first link to move when the second folding plate rotates to abut against the stop portion.
7. The folding linkage of claim 1 wherein the push-pull member is disposed beside and in relative motion with the first folding plate and wherein the push-pull member moves relative to the first folding plate to cause the second folding plate and the third folding plate on both sides to rotate in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420559772.8U CN222466464U (en) | 2024-03-21 | 2024-03-21 | Folding linkage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420559772.8U CN222466464U (en) | 2024-03-21 | 2024-03-21 | Folding linkage mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222466464U true CN222466464U (en) | 2025-02-14 |
Family
ID=94497594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420559772.8U Active CN222466464U (en) | 2024-03-21 | 2024-03-21 | Folding linkage mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222466464U (en) |
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2024
- 2024-03-21 CN CN202420559772.8U patent/CN222466464U/en active Active
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