Opening and closing structure

Abstract

The embodiment of the utility model relates to the technical field of opening and closing structures, and discloses an opening and closing structure. The opening and closing structure comprises a first fixing disc, a second fixing disc, a blade assembly and a driving assembly. The opening and closing structure is provided with an opening. Each blade assembly comprises a plurality of blades, and each blade is provided with a rotating part and a first fixing part; the two groups of blade assemblies are respectively distributed on two planes which are arranged in parallel at an interval, and blades of the two groups of blade assemblies are sequentially arranged in a staggered manner along a circumferential direction; the two blade assemblies are clamped between the first fixing disc and the second fixing disc, the first fixing disc and the second fixing disc are each provided with a second fixing part, and the second fixing parts are rotationally matched with the first fixing parts; the driving assembly is provided with a driving part, and the driving part is in driving connection with the rotating part to drive each blade to rotate around the first fixing part so as to open or close the opening. By means of the mode, the blades are not prone to collision or interference, opening and closing are more thorough, and opening and closing operation is smooth.

Description

Technical Field

[0001] This utility model relates to the field of opening and closing structure technology, specifically to an opening and closing structure. Background Technology

[0002] Opening and closing mechanisms are widely used in various industrial fields, such as air conditioners, heaters, and fans. Most existing opening and closing mechanisms are single-layer blade structures, while some have a larger number of blades. For multi-blade opening and closing mechanisms, the more blades there are, the more likely they are to collide or interfere with each other during the opening and closing process, leading to blade jamming, incomplete opening and closing, and uneven operation. Utility Model Content

[0003] In view of the above problems, this utility model provides an opening and closing structure.

[0004] According to one aspect of the present invention, an opening and closing structure is provided, the opening and closing structure including a first fixed disk, a second fixed disk, a blade assembly and a drive assembly, the opening and closing structure having an opening penetrating through the first fixed disk and the second fixed disk;

[0005] Two sets of blade assemblies, each set of blade assemblies including multiple blades, the blades being provided with spaced-apart rotating parts and first fixing parts;

[0006] The two sets of blade assemblies are respectively distributed on two parallel and spaced planes, and each blade of the two sets of blade assemblies is arranged alternately along a circumferential direction;

[0007] The two sets of blade assemblies are sandwiched between the first fixed disk and the second fixed disk. Both the first fixed disk and the second fixed disk are provided with a plurality of second fixing parts. The plurality of second fixing parts on the first fixed disk correspond one-to-one with the first fixing parts on one of the adjacent sets of blade assemblies and are rotatably engaged. The plurality of second fixing parts on the second fixed disk correspond one-to-one with the first fixing parts on another set of adjacent blade assemblies and are rotatably engaged.

[0008] The drive assembly is provided with a number of drive parts equal to the number of blades. The drive parts are connected to the rotating parts to drive each blade to rotate around the first fixed part in order to open or close the opening.

[0009] In one alternative approach, the opening is circular;

[0010] The blade includes a first side and a second side that are adjacent to each other;

[0011] When the opening is open, the first side of the blade coincides with a portion of the circular edge, or the first side of the blade is located outside the circular edge.

[0012] In one alternative, the distance between the two first fixing portions of adjacent blades in each set of blade assemblies is greater than the length of the first side.

[0013] In one alternative, when the opening is closed, the projections of the first and second sides of each blade along a direction perpendicular to the plane of any set of blade assemblies are respectively located on two adjacent blades.

[0014] In an alternative embodiment, the blade further includes a third side connecting the first side and the second side, wherein the lengths of the first side and the second side are both greater than the length of the third side.

[0015] In one alternative embodiment, the drive assembly includes a rotating disk, and the opening extends through the rotating disk;

[0016] The rotating disk is located on the side of the first fixed disk away from the blade assembly, and the rotating disk is provided with the driving part, which is a driving groove; the rotating part is located on the side of the blade close to the rotating disk;

[0017] The first fixed disk is provided with a first limiting groove. The rotating part passes through the first limiting groove and the driving groove. The first limiting groove is an arc-shaped trajectory groove with the first fixed part on the blade where each rotating part is located as the center. The rotating disk rotates back and forth, and drives the rotating part to move back and forth in the first limiting groove through the driving groove.

[0018] In one alternative embodiment, the drive assembly includes an active gear and a motor assembly; the rotating disk is provided with teeth that mesh with the active gear, and the shaft of the motor assembly is connected to the active gear.

[0019] In one alternative embodiment, the drive groove is a strip groove formed on the surface of the rotating disk, the strip groove extending through the rotation center of the rotating disk.

[0020] In one alternative embodiment, the rotating disk is further provided with a second limiting groove, which is an arc-shaped groove centered on the rotation center of the rotating disk.

[0021] The first fixed plate is provided with a limiting post, which passes through the second limiting groove. When the opening is in the open state, the limiting post is located at one end of the second limiting groove. When the opening is in the closed state, the limiting post is located at the other end of the second limiting groove.

[0022] In one alternative approach, the number of blades in each set of blade assemblies is four to eight.

[0023] The opening and closing structure of this embodiment has an opening that penetrates through the first fixed disk and the second fixed disk. The blade assembly includes two sets, which are respectively distributed on two parallel and spaced-apart planes. Each blade of the two sets of blade assemblies is staggered along a circumferential direction. The two sets of blade assemblies are sandwiched between the first fixed disk and the second fixed disk. The driving part on the driving assembly drives the rotating part on the blade, so that the blade rotates around the first fixed part, thereby opening or closing the opening. The opening and closing structure switches between the open and closed states. In the opening and closing process of this embodiment, because two sets of blade assemblies are provided, and the two sets of blade assemblies are respectively distributed on two parallel and spaced-apart planes, that is, the two sets of blade assemblies are staggered with each other, it is not easy for the blades to collide or interfere during the movement, so that the opening and closing can be more thorough and the opening and closing operation is smooth.

[0024] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, specific embodiments of this utility model are given below. Attached Figure Description

[0025] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0026] Figure 1 This diagram shows a disassembled structural schematic of an embodiment of the opening and closing structure of this utility model.

[0027] Figure 2 A perspective view of one embodiment of the opening and closing structure of this utility model is shown.

[0028] Figure 3 The front view of two sets of blade assemblies in an embodiment of the opening and closing structure of this utility model is shown;

[0029] Figure 4 The rear view of two sets of blade assemblies in an embodiment of the opening and closing structure of this utility model is shown;

[0030] Figure 5 The image shows a front view of an embodiment of the opening and closing structure of this utility model with the rotating disk removed and in the open state.

[0031] The reference numerals in the detailed embodiments are as follows:

[0032] Blade assembly 1, first fixed disk 2, drive assembly 3, second fixed disk 4, blade 11, rotating part 111, drive part 31, opening 100, second fixed part 24, first fixed part 112, first side 113, second side 114, third side 115, rotating disk 32, drive tooth 33, motor assembly 34, tooth 321, first limiting groove 22, second limiting groove 322, limiting post 23. Detailed Implementation

[0033] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0034] Please see Figure 1 and Figure 2 The opening and closing structure of this utility model includes a blade assembly 1, a first fixed disk 2, a drive assembly 3 and a second fixed disk 4. The opening and closing structure has an opening 100 that passes through the first fixed disk 2 and the second fixed disk 4.

[0035] The opening and closing structure also includes two sets of blade assemblies. Each set of blade assemblies 1 includes multiple blades 11. The shape of the blades 11 is not limited; they can be triangular or approximately triangular, or other shapes. Each set of blade assemblies 1 contains at least two blades 11. In some embodiments, the number of blades 11 in each set can be three, four, five, or more. Figure 3 As shown, each blade assembly 1 contains 6 blades 11. Rotating parts 111 and first fixing parts 112 are spaced apart on each blade 11.

[0036] In this embodiment, in conjunction with reference to Figure 3 and Figure 4 Two sets of blade assemblies 1 are respectively distributed on two parallel and spaced-apart planes, and each blade 11 of the two sets of blade assemblies 1 is staggered along a circumferential direction. Figure 3 and Figure 4 In the middle, the unobstructed part of the blades 11 at the front is one set of blade assembly 1, and the remaining obstructed part of the blades 11 at the back is another set of blade assembly 1.

[0037] like Figure 1 As shown, two sets of blade assemblies 1 are sandwiched between the first fixed disk 2 and the second fixed disk 4. In one embodiment, the first fixed disk 2 and the second fixed disk 4 can be annular disks. Of course, the first fixed disk 2 and the second fixed disk 4 can also be disks of other shapes.

[0038] Both the first fixing disk 2 and the second fixing disk 4 are provided with a plurality of second fixing parts 24, the number of which is equal to the number of blades 11. The plurality of second fixing parts 24 on the first fixing disk 2 correspond one-to-one with the first fixing parts 112 on one of the adjacent sets of blade assemblies 1 and are rotatably engaged. Similarly, the plurality of second fixing parts 24 on the second fixing disk 4 correspond one-to-one with the first fixing parts 112 on another set of adjacent blade assemblies 1 and are rotatably engaged. In one embodiment, the second fixing part 24 can be a shaft hole or a rotating shaft, and the corresponding first fixing part 112 can be a rotating shaft or a shaft hole. In other embodiments, the second fixing part 24 and the first fixing part 112 can also be other rotatably engaged components.

[0039] The drive assembly 3 drives the rotating part 111 to reciprocate in a first position and a second position. The drive assembly 3 has a number of drive parts 31 equal to the number of blades 11. Each drive part 31 drives and connects to a rotating part 111, driving each blade 11 to rotate around a first fixed part 112 to open or close the opening 100. The reciprocating motion of the rotating part 111 in the first and second positions causes the corresponding blade 11 to rotate around the first fixed part 112. In this embodiment, the drive part 31 can be a shaft hole or a rotating shaft, and the corresponding rotating part 111 can be a rotating shaft or a shaft hole. It is understood that the drive assembly 3 includes at least a power device such as a motor, enabling the drive part 31 to drive the rotating part 111. In other embodiments, the drive part 31 and the rotating part 111 can also be other driveable and connected components, and their operation causes the blade 11 to rotate around the first fixed part 112. The rotation of the blade 11 causes the opening / closing structure to open or close the opening 100.

[0040] When the rotating part 111 moves from the second position to the first position, the blade 11 rotates and opens the opening 100, and the opening and closing structure is in the open state. During the opening process, the blade 11 rotates from the inside to the outside to open. The opening 100 can be a circular opening, a roughly circular opening, or an opening of other shapes, which is not limited here. When the rotating part 111 moves from the first position to the second position, the blade 11 rotates and closes the opening 100, and the opening and closing structure is in the closed state.

[0041] The opening and closing structure of this embodiment has an opening 100 that penetrates the first fixed disk 2 and the second fixed disk 4. The blade assembly 1 includes two sets, which are respectively distributed on two parallel and spaced planes. Each blade 11 of the two sets of blade assemblies 1 is staggered along a circumferential direction. The two sets of blade assemblies 1 are sandwiched between the first fixed disk 2 and the second fixed disk 4. The driving part 31 on the driving assembly 3 drives the rotating part 111 on the blade 11, so that the blade 11 rotates around the first fixed part 112, thereby opening or closing the opening 100. The opening and closing structure switches between the open and closed states. In the opening and closing process of this embodiment, since two sets of blade assemblies 1 are provided, and the two sets of blade assemblies are respectively distributed on two parallel and spaced planes, that is, the two sets of blade assemblies are staggered with each other, it is not easy for the blades 11 to collide or interfere during the movement, so that the opening and closing can be more thorough and the opening and closing operation is smooth.

[0042] In one embodiment, the opening 100 is a circular opening 100, or a near-circular opening 100, such as... Figure 3 As shown, the blade 11 includes a first side 113 and a second side 114 that are connected adjacent to each other. When the opening 100 is open, the first side 113 of the blade 11 coincides with a partial edge of the circle, or the first side 113 of the blade 11 is located on the outside of the circle to form the aforementioned circular opening 100.

[0043] In the closed state, the first side 113 of blade 11 matches the shape of the second side 114 of adjacent blade 11, allowing a seamless connection between blade 11 and adjacent blade 11, thereby closing the opening 100. For example, the first side 113 of blade 11 and the second side 114 of adjacent blade 11 may abut against each other. In one embodiment, the first side 113 includes a concave curve, and the second side 114 includes an outward convex curve. The concave curve of the first side 113 matches the shape of the outward convex curve of the second side 114, thereby closing the opening 100.

[0044] Furthermore, in each set of blade assemblies 1, the distance between the two first fixing parts 112 of adjacent blades 11 is greater than the length of the first side 113. For blades 11 in the same set of blade assemblies 1, the distance between the two first fixing parts 112 of adjacent blades 11 is greater than the length of the first side 113, which ensures that adjacent blades 11 in the same set of blade assemblies 1 will not interfere with each other during opening and closing.

[0045] Furthermore, when the opening 100 is in the closed state, the projections of the first side 113 and the second side 114 of each blade 11 along the plane perpendicular to any set of blade assemblies 1 are respectively located on two adjacent blades 11, so that the blade 11 partially overlaps with the adjacent blade 11. Thus, for the blades 11 in the two sets of blade assemblies 1, the partial overlap between the blades 11 and the adjacent blades 11 ensures that the adjacent blades 11 in the two sets of blade assemblies 1 will not interfere with each other during the opening and closing process.

[0046] Furthermore, the blade 11 also includes a third side 115, which connects the first side 113 and the second side 114. The lengths of the first side 113 and the second side 114 are both greater than the length of the third side 115. Thus, the blade 11 is triangular or nearly triangular in shape. The longer the lengths of the first side 113 and the second side 114, the shorter the length of the third side 115. When the opening and closing structure is in the open state, because the length of the third side 115 is shorter, all the blades 11 can be stored in a smaller space, making the entire opening and closing structure smaller and suitable for use in smaller spaces.

[0047] In one embodiment, such as Figure 1 As shown, the drive assembly 3 includes a rotating disk 32, with an opening 100 penetrating through it. The rotating disk 32 is located on the side of the first fixed disk 2 away from the blade assembly 1. The rotating disk 32 is provided with a drive part 31, which is a drive groove. The drive part 31 rotates with the rotating disk 32. The rotating part 111 is located on the side of the blade 11 close to the rotating disk 32, and the rotating part 111 is a rotating shaft.

[0048] The first fixed disk 2 is provided with a first limiting groove 22. The number of first limiting grooves 22 can be equal to or different from the number of blades 11. The rotating part 111 passes through the first limiting groove 22 and the driving groove. The first limiting groove 22 is an arc-shaped trajectory groove with the first fixed part 112 on the blade 11 where each rotating part 111 is located as the center. The rotating disk 32 rotates back and forth, and drives the rotating part 111 to move back and forth in the first limiting groove 22 through the driving groove. The first limiting groove 22 restricts the movement trajectory of the rotating part 111 to be arc-shaped. The movement trajectory of the rotating part 111 is arc-shaped, so that the rotation trajectory of the blade is also arc-shaped.

[0049] Furthermore, the drive groove is a strip-shaped groove formed on the surface of the rotating disk 32. The extension direction of the strip-shaped groove passes through the rotation center of the rotating disk 32. When the rotating disk 32 rotates, it applies pressure to the rotating shaft through the drive groove, causing the rotating shaft to move. In some embodiments, at opposite ends of the drive groove, when the drive groove drives the rotating shaft to move from one end of the drive groove to the other end, the opening and closing structure switches between opening the opening 100 or closing the opening 100.

[0050] Furthermore, the drive assembly 3 also includes a drive gear 33 and a motor assembly 34. The rotating disk 32 is provided with teeth 321, which mesh with the drive gear 33. The rotating shaft of the motor assembly 34 is connected to the drive gear 33. When the motor assembly 34 is working, it drives the drive gear 33 through the rotating shaft. The drive gear 33 drives the rotating disk 32 to rotate through the teeth 321 of the rotating disk 32. The drive part 31 on the rotating disk 32 rotates along with the rotating disk 32, thereby driving the blades 11 in the two sets of blade assemblies 1 simultaneously through the rotating disk 32, causing the blades 11 to rotate.

[0051] Furthermore, such as Figure 1 As shown, the rotating disk 32 is also provided with a second limiting groove 322. The second limiting groove 322 is an arc-shaped groove with the rotation center of the rotating disk 32 as its center. There can be one or more second limiting grooves 322. The second limiting groove 322 is used to limit the rotation distance of the rotating disk 32. The first fixed disk 2 is provided with limiting posts 23. The number of limiting posts 23 is equal to the number of second limiting grooves 322. One limiting post 23 corresponds to one second limiting groove 322. The limiting post 23 passes through the second limiting groove 322. When the opening 100 of the opening and closing structure is open, the limiting post 23 is located at one end of the second limiting groove 322. When the opening 100 of the opening and closing structure is closed, the limiting post 23 is located at the other end of the second limiting groove 322.

[0052] Furthermore, each blade assembly 1 contains four to eight blades 11. When the number of blades 11 in each blade assembly 1 is set to four to eight, the number of blades 11 is relatively large, allowing all blades 11 to be stored in a small space when the opening and closing structure is open. For example, as shown... Figure 3 As shown, the blade 11 is an approximate triangle shape formed by three sides. The first side 113 includes a concave curve, the second side 114 includes a convex curve, and the third side 115 connects the first side 113 and the second side 114. The more blades 11 there are, the longer the first side 113 and the second side 114 become, and the shorter the third side 15 becomes. The space for storing the blades 11 is positively correlated with the length of the third side 115; the shorter the third side 115, the smaller the storage space. In this embodiment, each of the two sets of blade assemblies 1 contains four to eight blades 11. This not only reduces the likelihood of collisions or interference between the blades 11, but also allows for the storage of the blades 11 in a smaller space when the opening and closing structure is open. This makes the entire opening and closing structure smaller and suitable for use in small spaces in conjunction with other structures.

[0053] It should be noted that, unless otherwise stated, the technical or scientific terms used in the embodiments of this utility model should have the ordinary meaning understood by those skilled in the art to which the embodiments of this utility model pertain.

[0054] In the description of the embodiments of this utility model, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0055] Furthermore, technical terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In the description of the embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly defined.

[0056] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this utility model can be understood according to the specific circumstances.

[0057] In the description of the embodiments of this utility model, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An opening and closing structure characterized by comprising: The opening and closing structure comprises a first fixed disc, a second fixed disc, a plurality of leaf assemblies and a driving assembly, and has an opening penetrating through the first fixed disc and the second fixed disc; Each of the leaf assemblies comprises a plurality of leaves, and each of the leaves is provided with a rotating part and a first fixed part arranged at intervals; The two groups of leaf assemblies are arranged on two parallel planes at intervals, and each of the leaves of the two groups of leaf assemblies is arranged in a staggered manner along a circumferential direction. The two groups of leaf assemblies are arranged between the first fixed disc and the second fixed disc, and the first fixed disc and the second fixed disc are each provided with a plurality of second fixed parts, the plurality of second fixed parts on the first fixed disc correspond to the first fixed parts on one group of adjacent leaf assemblies in a one-to-one manner and are rotationally connected, and the plurality of second fixed parts on the second fixed disc correspond to the first fixed parts on the other group of adjacent leaf assemblies in a one-to-one manner and are rotationally connected. The driving assembly is provided with driving parts equal in number to the leaves, the driving parts are drivingly connected to the rotating parts to drive each of the leaves to rotate around the first fixed part, so as to open or close the opening.

2. The opening and closing structure according to claim 1, wherein the opening is circular; each of the leaves comprises a first side and a second side connected in sequence; when the opening is in an open state, the first side of each of the leaves coincides with a part of the circular opening, or the first side of each of the leaves is arranged outside the circular opening.

3. The opening and closing structure according to claim 2, characterized in that, the distance between the two first fixed parts of adjacent leaves in each of the leaf assemblies is greater than the length of the first side.

4. The opening and closing structure according to claim 3, wherein when the opening is in a closed state, the projections of the first side and the second side of each of the leaves in a direction perpendicular to the plane on which any one of the leaf assemblies is arranged are located on two adjacent leaves, respectively.

5. The opening and closing structure according to claim 2, wherein each of the leaves further comprises a third side connecting the first side and the second side, and the length of the first side and the second side is greater than the length of the third side.

6. The opening and closing structure according to claim 1, wherein the driving assembly comprises a rotating disc, and the opening penetrates through the rotating disc; the rotating disc is arranged on a side of the first fixed disc away from the leaf assemblies, the rotating disc is provided with the driving parts, the driving parts are driving grooves, and the rotating part is arranged on a side of the leaf close to the rotating disc; the first fixed disc is provided with a first limiting groove, the rotating part penetrates through the first limiting groove and the driving groove, the first limiting groove is an arc track groove with the first fixed part on the leaf where the rotating part is located as a center, and the rotating disc rotates back and forth to drive the rotating part to move back and forth in the first limiting groove through the driving groove.

7. The opening and closing structure according to claim 6, wherein the driving assembly comprises a driving gear and a motor assembly; the rotating disc is provided with a gear part, the gear part is in meshing connection with the driving gear, and the motor assembly is connected to the driving gear through a rotating shaft.

8. The opening and closing structure according to claim 6, wherein The driving slot is a strip-shaped slot opened on the surface of the rotating disc, and the extension direction of the strip-shaped slot passes through the rotation center of the rotating disc.

9. The opening and closing structure according to claim 8, wherein The rotating disc is further provided with a second limiting slot, which is an arc-shaped slot with the rotation center of the rotating disc as the center. The first fixed disc is provided with a limiting column, the limiting column is arranged in the second limiting slot, when the opening is in the open state, the limiting column is located at one end of the second limiting slot, and when the opening is in the closed state, the limiting column is located at the other end of the second limiting slot.

10. The opening and closing structure according to any one of claims 1 to 9, characterized in that, The number of the blades in each group of the blade assemblies is four to eight.

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