CN214465361U

CN214465361U - Novel folding mechanism

Info

Publication number: CN214465361U
Application number: CN202120364007.7U
Authority: CN
Inventors: 项乐宏; 陈宁宁; 刘永会
Original assignee: Loctek Ergonomic Technology Co Ltd
Current assignee: Loctek Ergonomic Technology Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-22
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a novel folding mechanism, which comprises a first supporting piece, a second supporting piece and a folding component; the folding assembly comprises a first folding arm, a second folding arm and a folding mechanism, wherein the first folding arm is provided with a first connecting rod and a second connecting rod, the first end of the first connecting rod is hinged with the first supporting piece, and the first end of the second connecting rod is hinged with the second supporting piece; the second end of the first connecting rod and the second end of the second connecting rod are hinged with the first moving piece respectively; the first folding arm is provided with a first connecting rod and a second connecting rod, the first end of the first connecting rod is hinged with the first supporting piece, and the first end of the second connecting rod is hinged with the second supporting piece; the second end of the third connecting rod and the second end of the fourth connecting rod are hinged with the second moving piece respectively; and the driving piece is connected with the first moving piece and the second moving piece to enable the first folding arm and the second folding arm to be folded or unfolded. This novel folding mechanism structural stability is good, and bearing capacity is strong, and can keep linear motion state, can not lead to the fact the interference between with the ground.

Description

Novel folding mechanism

Technical Field

The utility model relates to a portable equipment of folding up that uses among the building technical field specifically says a novel folding mechanism.

Background

With the acceleration of the urbanization process, the living space of people becomes smaller and smaller, the reasonable layout of the indoor space gradually becomes a topic of interest to people, and in order to save the indoor space and maximize the function of the indoor space, some movable folding devices are widely applied to room facilities, such as folding doors, folding stairs, folding chairs installed on the wall, and the like, which are designed for saving the indoor space. The folding mechanism, which is common in the prior art, generally comprises a structure including at least two links hinged by a hinge pin. For example, the chinese patent application with publication number CN211380318U and name folding bracket discloses a folding mechanism disposed between the first bearing plate and the second bearing plate, the folding mechanism includes a first folding rod and a second folding rod, the first folding rod and the second folding rod are rotatably connected, the first folding rod and the second folding rod are both provided with a sliding end and a rotating end, the sliding end is respectively slidably connected to one end of the first bearing plate and the one end of the second bearing plate, the rotating end is respectively rotatably connected to the other end of the first bearing plate and the other end of the second bearing plate, and one end of the first supporting mechanism and one end of the second supporting mechanism are respectively rotatably connected to the first bearing plate and the second bearing plate. The folding mechanism in the prior art generally has the defects of poor structural stability, weak bearing capacity and the like. As disclosed in chinese patent application No. CN105793612B, entitled device for converting motion, the motion trajectory of the support arm is a concave arc trajectory when the folding mechanism is unfolded, and the bottom of the support arm tilts upward when the support arm is completely unfolded, if a floor is already installed below the support arm, the bottom of the support arm interferes with the ground when the folding mechanism is unfolded, so that the folding mechanism cannot be folded smoothly; in addition, the distance that this folding mechanism pulls open is uncontrollable, needs other structures assistance-localization real-time, leads to overall structure more complicated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above prior art's defect, provide a structural stability is good, and bearing capacity is strong, and can keep the linear motion state, can not and cause the novel folding mechanism of interference between the ground.

The technical solution of the utility model is that, a novel folding mechanism with following structure is provided: the folding device comprises a first supporting piece, a second supporting piece and a folding assembly, wherein the folding assembly is connected between the first supporting piece and the second supporting piece and is used for adjusting the distance between the first supporting piece and the second supporting piece; the folding component comprises

The first folding arm is provided with a first connecting rod and a second connecting rod, wherein the first end of the first connecting rod is hinged with the first supporting piece, and the first end of the second connecting rod is hinged with the second supporting piece;

the first moving piece is arranged between the first connecting rod and the second connecting rod and can move along the axis direction of the first connecting rod and the second connecting rod;

the first folding arm is provided with a first connecting rod and a second connecting rod, the first end of the first connecting rod is hinged with the first supporting piece, and the first end of the second connecting rod is hinged with the second supporting piece;

The second moving piece is arranged between the third connecting rod and the fourth connecting rod and can move along the axis direction of the third connecting rod and the fourth connecting rod, and the second end of the third connecting rod and the second end of the fourth connecting rod are respectively hinged with the second moving piece;

and the driving piece is connected with the first moving piece and the second moving piece and used for driving the first moving piece and the second moving piece to move so as to fold or unfold the first folding arm and the second folding arm.

Preferably, the driving part comprises a driving motor and a rotating rod which is rotatably arranged, and the driving motor is in transmission connection with the rotating rod and is used for driving the rotating rod to rotate around the axis of the rotating rod; the dwang on be equipped with screw thread portion, first moving member and the equal threaded connection of second moving member on the screw thread portion of dwang.

Preferably, the rotating rod is sequentially provided with two sections of thread parts from top to bottom: the thread direction of the first thread part is opposite to that of the second thread part; the first moving part is in threaded connection with the first threaded part, and the second moving part is in threaded connection with the second threaded part.

Preferably, the folding assembly further comprises a third folding arm, the third folding arm comprises a fifth connecting rod and a sixth connecting rod, the first end of the fifth connecting rod is hinged to the first connecting rod, and the first end of the sixth connecting rod is hinged to the second connecting rod; the dwang on be connected with the upper bracket, the upper bracket articulated with the second end of fifth connecting rod and the second end of sixth connecting rod respectively.

Preferably, the folding assembly further comprises a fourth folding arm, the fourth folding arm comprises a seventh connecting rod and an eighth connecting rod, the first end of the seventh connecting rod is hinged to the third connecting rod, and the first end of the eighth connecting rod is hinged to the fourth connecting rod; the dwang on be connected with the undersetting, the undersetting articulated with the second end of seventh connecting rod and the second end of eighth connecting rod respectively.

Preferably, the first folding arms and the second folding arms are arranged in a staggered mode, and the first connecting rods and the second connecting rods are located on two sides of the second folding arms respectively.

Preferably, a third supporting part is arranged between the first supporting part and the second supporting part, the upper support and the lower support are respectively connected to the third supporting part, and the rotating rod is rotatably connected to the upper support and the lower support.

Preferably, the first link, the second link, the third link and the fourth link are equal in length, and the first link and the second link and the third link and the fourth link are symmetrically arranged with respect to the axis of the rotating rod.

Preferably, the first support part is provided with a first fixed rotating shaft connected with the first end of the first connecting rod, the first support part is provided with a second fixed rotating shaft connected with the first end of the third connecting rod, and the first fixed rotating shaft and the second fixed rotating shaft are arranged at intervals along the first support part from top to bottom; the second support piece is provided with a third fixed rotating shaft connected with the first end of the second connecting rod, the second support piece is provided with a fourth fixed rotating shaft connected with the first end of the fourth connecting rod, and the third fixed rotating shaft and the fourth fixed rotating shaft are arranged at intervals along the second support piece from top to bottom; and a connecting line between the first fixed rotating shaft and the second fixed rotating shaft is parallel to a connecting line between the third fixed rotating shaft and the fourth fixed rotating shaft.

After the structure above adopting, the utility model relates to a novel folding mechanism compares with prior art, has following advantage: first, the driving member of the novel folding mechanism can drive the first moving member and the second moving member to move along the axis direction, so that the first folding arm and the second folding arm can be folded or unfolded, and the distance between the first supporting member and the second supporting member can be adjusted. Therefore, the folding mechanism can realize the distance adjustment between the first supporting piece and the second supporting piece only by driving the first moving piece and the second moving piece to move. And the moving directions of the first supporting piece and the second supporting piece are both horizontal movement, namely the movement of the lower ends and the upper ends of the first supporting piece and the second supporting piece is linear movement. When the first supporting piece and the second supporting piece move, the lower ends of the first supporting piece and the second supporting piece cannot interfere with the ground, and the folding assembly consisting of the first folding arm, the second folding arm and the driving piece has good structural stability and strong bearing capacity; secondly, when the driving motor drives the rotating rod to rotate, the first moving part and the second moving part move on the threaded part of the rotating rod, and due to the threaded connection relationship between the first moving part and the threaded part of the rotating rod and the threaded connection relationship between the second moving part and the threaded part of the rotating rod, the movement synchronism of the first moving part and the second moving part is high, so that the linear translation action between the first supporting part and the second supporting part is ensured; moreover, the arrangement of the third folding arm and the fourth folding arm further improves the structural stability and the load-bearing capacity of the folding mechanism. In addition, first folding arm and the crisscross setting of second folding arm to make first folding arm and the mutual interlock of second folding arm when the state of expanding, further strengthened folding assembly's structural stability like this, avoid taking place to rock when expansion or folding.

Drawings

Fig. 1 is a schematic front structural view of a novel folding mechanism of the present invention.

Fig. 2 is a schematic structural diagram of a novel folding mechanism of the present invention.

As shown in the figure:

1. the folding device comprises a first support part, 100, a second support part, 101, a first fixed rotating shaft, 102, a second fixed rotating shaft, 103, a third fixed rotating shaft, 104, a fourth fixed rotating shaft, 2, a first folding arm, 200, a first connecting rod, 201, a second connecting rod, 3, a second folding arm, 300, a third connecting rod, 301, a fourth connecting rod, 4, a third folding arm, 400, a fifth connecting rod, 401, a sixth connecting rod, 5, a fourth folding arm, 500, a seventh connecting rod, 501, an eighth connecting rod, 6, a first moving part, 600, a second moving part, 601, an upper support seat, 602, a lower support seat, 7, a third support part, 700, a rotating rod, 701, a first threaded part, 702 and a second threaded part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

See fig. 1-2;

the utility model relates to a novel folding mechanism, which comprises a first supporting piece 1, a second supporting piece 100 and a folding component, wherein the folding component is connected between the first supporting piece 1 and the second supporting piece 100 and is used for adjusting the distance between the first supporting piece 1 and the second supporting piece 100; the first support member 1 and the second support member 100 are both vertically arranged and parallel to each other, although the first support member 1 may also be a support plate, the folding assembly includes a first folding arm 2 having a first connecting rod 200 and a second connecting rod 201, a first end of the first connecting rod 200 is hinged to the first support member 1, and a first end of the second connecting rod 201 is hinged to the second support member 100; the first moving part 6 is arranged between the first connecting rod 200 and the second connecting rod 201 and can move along the axial direction of the first connecting rod, and the second end of the first connecting rod 200 and the second end of the second connecting rod 201 are respectively hinged with the first moving part 6; the first link 200, the second link 201, the third link 300, and the fourth link 301 are equal in length, and the first link 200 and the second link 201, and the third link 300 and the fourth link 301 are symmetrically disposed about the axis of the rotation lever 700. A second folding arm 3 having a third link 300 and a fourth link 301, a first end of the third link 300 being hinged to the first support 1, and a first end of the fourth link 301 being hinged to the second support 100; the second moving part 600 is arranged between the third connecting rod 300 and the fourth connecting rod 301 and can move along the axial direction of the third connecting rod 300, and the second end of the third connecting rod 300 and the second end of the fourth connecting rod 301 are respectively hinged with the second moving part 600; and the driving part is connected with the first moving part 6 and the second moving part 600 and used for driving the first moving part 6 and the second moving part 600 to move so as to fold or unfold the first folding arm 2 and the second folding arm 3. The driving member of the novel folding mechanism can drive the first moving member 6 and the second moving member 600 to move along the axial direction, so that the first folding arm 2 and the second folding arm 3 can be folded or unfolded, and the distance between the first supporting member 1 and the second supporting member 100 can be adjusted. The driving piece can be driven electrically or manually; therefore, the folding mechanism can realize the distance adjustment between the first support member 1 and the second support member 100 only by driving the first moving member 6 and the second moving member 600 to move by the driving member. And the moving directions of the first support 1 and the second support 100 are both horizontal movement, that is, the movement of the lower ends and the upper ends of the first support 1 and the second support 100 are both linear movement. When the first supporting member 1 and the second supporting member 100 move, the lower ends of the first supporting member and the second supporting member do not interfere with the ground, and the folding assembly composed of the first folding arm 2, the second folding arm 3 and the driving member has good structural stability and strong bearing capacity.

As an embodiment of the present invention; the first support part 1 is provided with a first fixed rotating shaft 101 connected with the first end of the first connecting rod 200, the first support part 1 is provided with a second fixed rotating shaft 102 connected with the first end of the third connecting rod 300, and the first fixed rotating shaft 101 and the second fixed rotating shaft 102 are arranged at intervals along the first support part 1 from top to bottom; a second fixed rotating shaft 103 connected with the first end of the second connecting rod 201 is arranged on the second supporting piece 100, a fourth fixed rotating shaft 104 connected with the first end of the fourth connecting rod 301 is arranged on the second supporting piece 100, and the second fixed rotating shaft 103 and the fourth fixed rotating shaft 104 are arranged at intervals along the second supporting piece 100 from top to bottom; a connecting line between the first fixed rotating shaft 101 and the second fixed rotating shaft 102 is parallel to a connecting line between the second fixed rotating shaft 103 and the fourth fixed rotating shaft 104.

Referring again to fig. 1, as an embodiment of the present invention; the driving part comprises a driving motor and a rotating rod 700, and the driving motor is in transmission connection with the rotating rod 700 and is used for driving the rotating rod 700 to rotate around the axis of the rotating rod 700; the dwang 700 on be equipped with screw thread portion, first moving member 6 and the equal threaded connection of second moving member 600 on the screw thread portion of dwang 700. Of course, the driving member may also be a combination of a rocking handle and the rotating rod 700, that is, the rocking handle is in transmission connection with the rotating rod 700 through a transmission gear, and the rotating rod 700 is driven to rotate by rotating the rocking handle. When the driving motor drives the rotating rod 700 to rotate, the first moving member 6 and the second moving member 600 move on the threaded portion of the rotating rod 700, and due to the threaded connection relationship between the first moving member 6 and the second moving member 600 and the threaded portion of the rotating rod 700, the movement synchronism of the first moving member 6 and the second moving member 600 is high, and the linear translation action between the first supporting member 1 and the second supporting member 100 is ensured.

Referring again to fig. 1, as an embodiment of the present invention; the rotating rod 700 is sequentially provided with two sections of thread parts from top to bottom: a first thread part 701 and a second thread part 702, wherein the thread directions of the first thread part 701 and the second thread part 702 are opposite; the first moving member 6 is screwed to the first screw part 701, and the second moving member 600 is screwed to the second screw part 702. Like this first moving member 6 and second moving member 600 move in opposite directions or back of the body mutually when driving motor drives dwang 700 and rotates to drive first folding arm 2 and the folding arm 3 of second and fold or expand, avoid first folding arm 2 and the folding arm 3 of second to cause the interference when folding or expand like this.

Referring again to fig. 1, as an embodiment of the present invention; the folding assembly further comprises a third folding arm 4, the third folding arm 4 comprises a fifth connecting rod 400 and a sixth connecting rod 401, a first end of the fifth connecting rod 400 is hinged with the first connecting rod 200, and a first end of the sixth connecting rod 401 is hinged with the second connecting rod 201; the rotating rod 700 is connected with an upper support 601, and the upper support 601 is hinged to the second end of the fifth connecting rod 400 and the second end of the sixth connecting rod 401. The folding assembly further comprises a fourth folding arm 5, the fourth folding arm 5 comprises a seventh connecting rod 500 and an eighth connecting rod 501, a first end of the seventh connecting rod 500 is hinged to the third connecting rod 300, and a first end of the eighth connecting rod 501 is hinged to the fourth connecting rod 301; the rotating rod 700 is connected with a lower support 602, and the lower support 602 is hinged to the second end of the seventh connecting rod 500 and the second end of the eighth connecting rod 501. By the arrangement, the stability and the bearing capacity of the folding mechanism are further enhanced. The upper support 601 and the lower support 602 are respectively disposed at the upper end and the lower end of the rotation rod 700, and are both rotatably connected to the rotation rod 700.

As an embodiment of the present invention; a third supporting part 7 is arranged between the first supporting part 1 and the second supporting part 100, the upper support 601 and the lower support 602 are respectively connected to the third supporting part 7, and the rotating rod 700 is rotatably connected to the upper support 601 and the lower support 602. Specifically, the upper support 601 and the lower support 602 are respectively connected to the upper portion and the lower portion of the third support 7 by screws, coaxial rotation holes are formed in the upper support 601 and the lower support 602, and the upper end and the lower end of the rotation rod 700 are respectively rotatably connected to the rotation holes of the upper support 601 and the lower support 602. The third support member 7 not only functions to support the driving member, but also improves the load-bearing capacity of the folding mechanism.

Referring again to fig. 1, as an embodiment of the present invention; the first folding arm 2 and the second folding arm 3 are arranged in a staggered manner, and the first connecting rod 200 and the second connecting rod 201 are respectively located on two sides of the second folding arm 3. The first folding arm 2 and the second folding arm 3 are engaged with each other in the unfolded state, so that the structural stability of the folding assembly is further enhanced, and the occurrence of shaking in the unfolding or folding process is avoided.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A novel folding mechanism comprises a first supporting piece, a second supporting piece and a folding assembly, wherein the folding assembly is connected between the first supporting piece and the second supporting piece and used for adjusting the distance between the first supporting piece and the second supporting piece; the method is characterized in that: the folding component comprises

2. The novel folding mechanism of claim 1, further comprising: the driving part comprises a driving motor and a rotating rod which can be rotatably arranged, and the driving motor is in transmission connection with the rotating rod and is used for driving the rotating rod to rotate around the axis of the rotating rod; the dwang on be equipped with screw thread portion, first moving member and the equal threaded connection of second moving member on the screw thread portion of dwang.

3. The novel folding mechanism of claim 2, further comprising: the dwang top-down be equipped with two sections screw thread portions in proper order: the thread direction of the first thread part is opposite to that of the second thread part; the first moving part is in threaded connection with the first threaded part, and the second moving part is in threaded connection with the second threaded part.

4. A novel folding mechanism according to claim 3, characterized in that: the folding assembly further comprises a third folding arm, the third folding arm comprises a fifth connecting rod and a sixth connecting rod, the first end of the fifth connecting rod is hinged with the first connecting rod, and the first end of the sixth connecting rod is hinged with the second connecting rod; the dwang on be connected with the upper bracket, the upper bracket articulated with the second end of fifth connecting rod and the second end of sixth connecting rod respectively.

5. The novel folding mechanism of claim 4, wherein: the folding assembly further comprises a fourth folding arm, the fourth folding arm comprises a seventh connecting rod and an eighth connecting rod, the first end of the seventh connecting rod is hinged with the third connecting rod, and the first end of the eighth connecting rod is hinged with the fourth connecting rod; the dwang on be connected with the undersetting, the undersetting articulated with the second end of seventh connecting rod and the second end of eighth connecting rod respectively.

6. The novel folding mechanism of claim 5, wherein: the first folding arms and the second folding arms are arranged in a staggered mode, and the first connecting rod and the second connecting rod are located on two sides of the second folding arms respectively.

7. The novel folding mechanism of claim 5, wherein: be equipped with third support piece between first support piece and the second support piece, upper bracket and undersetting connect respectively on third support piece, dwang rotatable coupling on upper bracket and undersetting.

8. The novel folding mechanism of claim 2, further comprising: the length of first connecting rod, second connecting rod, third connecting rod and fourth connecting rod equals, and first connecting rod and second connecting rod and third connecting rod and fourth connecting rod all set up about the axis symmetry of dwang.

9. The novel folding mechanism of claim 1, further comprising: the first support part is provided with a first fixed rotating shaft connected with the first end of the first connecting rod, the first support part is provided with a second fixed rotating shaft connected with the first end of the third connecting rod, and the first fixed rotating shaft and the second fixed rotating shaft are arranged at intervals along the first support part from top to bottom; the second support piece is provided with a third fixed rotating shaft connected with the first end of the second connecting rod, the second support piece is provided with a fourth fixed rotating shaft connected with the first end of the fourth connecting rod, and the third fixed rotating shaft and the fourth fixed rotating shaft are arranged at intervals along the second support piece from top to bottom; and a connecting line between the first fixed rotating shaft and the second fixed rotating shaft is parallel to a connecting line between the third fixed rotating shaft and the fourth fixed rotating shaft.