A curved door moving mechanism

Abstract

The present invention discloses an arc door moving mechanism, comprising: an upper limit plate, provided with a first arc groove and a second arc groove; a lower limit plate, provided with a third arc groove and a fourth arc groove; an upper mounting bar, the upper mounting bar is movably arranged under the upper limit plate; a lower mounting bar, the lower mounting bar is movably arranged on the lower limit plate; a curved tooth plate, the curved tooth plate is arranged on the lower limit plate, and the curved tooth plate is hinged with the lower mounting bar; a gear part, the gear part is rotatably installed on the middle part of the upper surface of the lower limit plate, and the gear part is meshed and connected with one side of the curved tooth plate; a door body, the door body is fixedly connected with the upper mounting bar and the lower mounting bar. Through the application of the present invention, the door body has a movement path that first contracts inward and then moves when opening, and when the door body is closed, it reaches the door opening position and moves outward a certain distance, so that the outer wall surface of the door body can be closely fitted with the outer wall surface at the door opening, reducing unnecessary gaps.

Description

Technical Field

[0001] The invention relates to the technical field of spherical houses, in particular to an arc door moving mechanism. Background Art

[0002] As people's quality of life continues to improve, they will choose some novel living methods when traveling or going out, such as setting up tents in the wild or living in houses with distinctive structures. At present, many manufacturers have begun to design and produce various temporary residential building structures. The most common one is the spherical house. The overall appearance of the spherical house is spherical. For example, the spherical house structure shown in the appearance patent CN304489463S gives people a more novel living experience, and the outer wall of this spherical house is often made of glass structure, giving people a better outdoor viewing experience. However, most of the current spherical houses adopt door openings on the outer wall of the spherical house, and set corresponding sliding doors or electric sliding doors to provide users with a solution for entering and exiting the spherical house. However, the door movement solution adopted by the current spherical house or other entry structures with curved surfaces often destroys the beauty of the entire spherical house, and the existing door movement solution also causes the door body and the spherical house to be unable to fit tightly, and the door body movement structure is also easily damaged. The insulation and waterproofing inside the spherical house are affected, which greatly affects people's living experience. Summary of the invention

[0003] In view of this, in order to solve the above problems, the object of the present invention is to provide a curved door moving mechanism, comprising:

[0004] An upper limit plate, wherein a first arc groove and a second arc groove are sequentially arranged on a lower surface of the upper limit plate along a length direction;

[0005] A lower limit plate, the lower limit plate is arranged below the upper limit plate, and a third arc groove and a fourth arc groove are arranged in sequence on the upper surface of the lower limit plate along the length direction, the third arc groove is arranged directly below the first arc groove, and the fourth arc groove is arranged below the second arc groove;

[0006] An upper mounting bar, the upper mounting bar being movably disposed below the upper limit plate;

[0007] A lower mounting bar, the lower mounting bar being movably disposed above the lower limiting plate;

[0008] A curved tooth plate, the curved tooth plate being arranged above the lower limit plate, one end of the curved tooth plate being hinged to one end of the lower mounting bar;

[0009] A gear member, the gear member is rotatably mounted on the middle portion of the upper surface of the lower limit plate, and the gear member is meshedly connected with one side of the curved toothed plate;

[0010] A door body, wherein the upper end of the door body is fixedly connected to the upper mounting bar, and the lower end of the door body is fixedly connected to the lower mounting bar;

[0011] in,

[0012] The curved toothed plate comprises: a long strip portion and a curved portion, one end of the long strip portion is connected to one end of the curved portion, and the other end of the curved portion is extended toward the inner side of the door body relative to the long strip portion; a long rack is formed on the side of the long strip portion away from the door body, and a short rack is formed on the side of the curved portion close to the long strip portion, the long rack and the short rack are connected and arranged, and the long rack and the short rack are respectively operably meshed with the gear member;

[0013] The long strip portion is disposed close to the third arc-shaped groove, and the turning portion is disposed close to the fourth arc-shaped groove;

[0014] A first sliding member and a second sliding member are respectively disposed at two ends of the upper surface of the upper mounting bar, wherein the first sliding member is slidably mounted in the first arc-shaped groove, and the second sliding member is slidably disposed in the second arc-shaped groove;

[0015] A third sliding member and a fourth sliding member are respectively provided at two ends of the lower surface of the lower mounting bar, the third sliding member is slidably mounted in the third arc-shaped groove, and the fourth sliding member is slidably disposed in the fourth arc-shaped groove;

[0016] The first arc groove and the third arc groove are both arranged in an arc shape, and an end of the first arc groove away from the second arc groove is arranged close to the outer side of the upper limit plate, an end of the first arc groove close to the second arc groove is arranged close to the inner side of the upper limit plate, an end of the third arc groove away from the fourth arc groove is arranged close to the outer side of the lower limit plate, and an end of the third arc groove close to the fourth arc groove is arranged close to the inner side of the lower limit plate;

[0017] The second arc groove and the fourth arc groove both include: an arc groove portion and a turning groove portion, the arc groove portion is arranged along the length direction of the upper limit plate or the length direction of the lower limit plate, one end of the turning groove portion is connected with one end of the arc groove portion, the turning groove portion is arranged close to the first arc groove or the third arc groove, and the other end of the turning groove portion is arranged toward the outside of the door body.

[0018] In another preferred embodiment, the first sliding member, the second sliding member, the third sliding member and the fourth sliding member all include: a shaft member and a roller, one end of the shaft member is fixedly connected to the upper mounting bar or the lower mounting bar, the roller is rotatably mounted on the other end of the shaft member, and the roller is slidably disposed in the first arc groove or the second arc groove or the third arc groove or the fourth arc groove; wherein the shaft member of the fourth sliding member passes upward through the lower mounting bar and is hinged to the lower surface of one end of the turning portion.

[0019] In another preferred embodiment, the upper limit plate is arranged in an arc shape, the lower limit plate is arranged in an arc shape, the arc length of the upper limit plate is equal to the arc length of the lower limit plate, and the curvature radius of the upper limit plate is equal to the curvature radius of the lower limit plate.

[0020] In another preferred embodiment, the upper mounting bar is arranged in an arc shape, the lower mounting bar is arranged in an arc shape, the arc length of the upper mounting bar is equal to the arc length of the lower mounting bar, and the curvature radius of the upper mounting bar is equal to the curvature radius of the lower mounting bar.

[0021] In another preferred embodiment, it also includes: a guide column and a spring, one end of the spring is fixedly connected to the other end of the curved tooth plate, the other end of the spring is fixedly connected to the inner side of the lower part of the door body, the guide column is sleeved in the spring, one end of the guide column is fixedly connected to the inner side of the lower part of the door body, the other end of the guide column can be slidably passed through the curved tooth plate, and the other end of the long strip portion is provided with a through hole, and the through hole matches the other end of the guide column.

[0022] In another preferred embodiment, the gear component includes: a rotating shaft and a gear body, the lower end of the rotating shaft can be rotatably arranged through the lower limit plate, the gear body is fixedly installed on the upper end of the rotating shaft, and the long rack and the short rack are respectively operably engaged with the gear body.

[0023] In another preferred embodiment, it further comprises: a motor, wherein the motor is disposed below the lower limit plate, and an output shaft of the motor passes through the lower limit plate and is connected to the rotating shaft.

[0024] In another preferred embodiment, the outer side of the lower limit plate has an outer arc edge, and the inner side of the lower limit plate has an inner arc edge, the curvature radius of the outer arc edge is greater than the curvature radius of the inner arc edge, and the outer arc edge is concentrically arranged with the inner arc edge; the distance from the end of the first arc groove away from the second arc groove to the inner arc edge is a first distance value, and the distance from the end of the first arc groove close to the second arc groove to the inner arc edge is a second distance value, and the first distance value is greater than the second distance value.

[0025] In another preferred embodiment, one end of the turning groove portion is arranged close to the inner arc edge relative to the other end of the turning groove portion.

[0026] In another preferred embodiment, the vertical cross-section of the door body is arc-shaped.

[0027] Due to the adoption of the above technical scheme, the present invention has the following positive effects compared with the prior art: through the application of the present invention, with the cooperation of the curved tooth plate and the upper and lower limit plates with a curved design, the door body has a movement path of first contracting inward and then moving when opening, and when the door body is closed, it reaches the door opening position and moves outward a certain distance, so that the outer wall surface of the door body can fit closely with the outer wall surface of the door opening, reducing unnecessary gaps; and the present invention has a simple structure, is easy to use, and is easy to disassemble and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a first angle overall schematic diagram of the arc door moving mechanism of the present invention;

[0029] Figure 2 It is a second angle overall schematic diagram of the arc door moving mechanism of the present invention;

[0030] Figure 3 The third angle overall schematic diagram of the arc door moving mechanism of the present invention;

[0031] Figure 4 It is a schematic diagram of the curved door moving mechanism of the present invention after the door body is removed;

[0032] Figure 5 It is a schematic diagram of the upper mounting bar of the curved door moving mechanism of the present invention;

[0033] Figure 6 It is a schematic diagram of the upper limit plate of the curved door moving mechanism of the present invention;

[0034] Figure 7 It is a schematic diagram of the cooperation between the lower limit plate and the curved tooth plate of the arc door moving mechanism of the present invention;

[0035] Figure 8 It is a schematic diagram of the cooperation between the lower limit plate and the lower mounting bar of the arc door moving mechanism of the present invention;

[0036] Fig. 9 It is a schematic diagram of the lower mounting bar of the curved door moving mechanism of the present invention;

[0037] Fig.10 It is a schematic diagram of the lower limit plate of the curved door moving mechanism of the present invention;

[0038] Fig.11 It is a schematic diagram of the cooperation between the gear member and the curved tooth plate of the arc door moving mechanism of the present invention;

[0039] Fig.12 It is a schematic diagram of the guide post spring coordination of the arc door moving mechanism of the present invention.

[0040] In the attached figure:

[0041] 1. upper limit plate; 11. first arc groove; 12. second arc groove; 2. lower limit plate; 21. third arc groove; 22. fourth arc groove; 3. upper mounting strip; 4. lower mounting strip; 5. curved tooth plate; 6. gear member; 7. door body; 51. long strip; 52. curved portion; 53. long rack; 54. short rack; 31. first sliding member; 32. second sliding member; 41. third sliding member; 42. fourth sliding member; 121. arc groove; 122. curved groove; 311. shaft; 312. roller; 71. guide column; 72. spring; 73. through hole; 61. rotating shaft; 62. gear body; 8. motor; 23. outer arc edge; 24. inner arc edge. DETAILED DESCRIPTION

[0042] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0043] like Figures 1 to 11As shown, a preferred embodiment of an arc door moving mechanism is shown, comprising: an upper limit plate 1, the lower surface of the upper limit plate 1 is sequentially provided with a first arc groove 11 and a second arc groove 12 along the length direction; a lower limit plate 2, the lower limit plate 2 is arranged below the upper limit plate 1, and the upper surface of the lower limit plate 2 is sequentially provided with a third arc groove 21 and a fourth arc groove 22 along the length direction, the third arc groove 21 is arranged directly below the first arc groove 11, and the fourth arc groove 22 is arranged below the second arc groove 12; an upper mounting bar 3, the upper mounting bar 3 is movably provided below the upper limit plate 1; a lower mounting bar 4, the lower mounting bar 4 is movably provided on the lower limit plate 2; a curved toothed plate 5, the curved toothed plate 5 is arranged above the lower limit plate 2, and one end of the curved toothed plate 5 is hinged to one end of the lower mounting strip 4; a gear member 6, the gear member 6 is rotatably mounted on the middle of the upper surface of the lower limit plate 2, and the gear member 6 is meshed and connected with one side of the curved toothed plate 5; a door body 7, the upper end of the door body 7 is fixedly connected to the upper mounting strip 3, and the lower end of the door body 7 is fixedly connected to the lower mounting strip 4; wherein the curved toothed plate 5 comprises: a long strip portion 51 and a curved portion 52, one end of the long strip portion 51 is connected to one end of the curved portion 52, and the other end of the curved portion 52 is extended relative to the long strip portion 51 toward the inner side of the door body 7; and the long strip portion 5 A long rack 53 is formed on the side away from the door body 7, and a short rack 54 is formed on the side of the bend portion 52 close to the long strip portion 51. The long rack 53 and the short rack 54 are connected and arranged, and the long rack 53 and the short rack 54 are respectively operably engaged with the gear member 6; and the long strip portion 51 is arranged close to the third arc groove 21, and the bend portion 52 is arranged close to the fourth arc groove 22; the first sliding member 31 and the second sliding member 32 are respectively arranged at both ends of the upper surface of the upper mounting bar 3, and the first sliding member 31 can be slidably installed in the first arc groove 11, and the second sliding member 32 can be slidably arranged in the second arc groove 12; the lower surface of the lower mounting bar 4 is respectively A third sliding member 41 and a fourth sliding member 42 are provided, the third sliding member 41 can be slidably installed in the third arc groove 21, and the fourth sliding member 42 can be slidably arranged in the fourth arc groove 22; the first arc groove 11 and the third arc groove 21 are both arranged in an arc shape, and the end of the first arc groove 11 away from the second arc groove 12 is arranged close to the outer side of the upper limit plate 1, the end of the first arc groove 11 close to the second arc groove 12 is arranged close to the inner side of the upper limit plate 1, the end of the third arc groove 21 away from the fourth arc groove 22 is arranged close to the outer side of the lower limit plate 2, and the end of the third arc groove 21 close to the fourth arc groove 22 is arranged close to the inner side of the lower limit plate 2;The second arc groove 12 and the fourth arc groove 22 both include: an arc groove portion 121 and a bend groove portion 122, the arc groove portion 121 is arranged along the length direction of the upper limit plate 1 or the length direction of the lower limit plate 2, one end of the bend groove portion 122 is connected to one end of the arc groove portion 121, the bend groove portion 122 is arranged close to the first arc groove 11 or the third arc groove 21, and the other end of the bend groove portion 122 is arranged toward the outside of the door body 7.;

[0044] Furthermore, during actual use, the above-mentioned arc door moving mechanism should be installed at the door opening of the corresponding building structure. This embodiment takes a spherical house as an example to better demonstrate the superiority of the present invention during use. Specifically, the spherical house is in the form of a spherical shell, and a door opening is provided on one side of the spherical house. The arc-shaped door moving mechanism is installed on the inner side of the door opening, and the shape of the door body 7 is matched with the shape of the door opening, that is, when the present invention is started to perform the door closing operation, the door body 7 fits into the door opening from the inside to the outside and seals the door opening exactly; the actual operation process is as follows, the initial state is defined as the door opening being completely closed, and the completion state is defined as the door opening being completely open; in the initial state, the user controls the rotation of the gear member 6 through a controller, etc., and under the rotation of the gear member 6, the toothed structure of the gear member 6 meshes and transmits with the inner side of the curved tooth plate 5, i.e., one side having the long rack 53 and the short rack 54, and drives the entire curved tooth plate 5 to move and drives the lower mounting bar 4 to move, and in the initial state, the gear member 6 and the short rack 54 are away from the long rack 53 and the short rack 54. One end of the rack 53 contacts, and under the continuous rotation of the gear member 6, the gear member 6 moves from the far end of the short rack 54 to the end close to the long rack 53. At the same time, the side of the door body 7 close to the short rack 54 moves toward the inner side of the spherical house, that is, the extension direction of the short rack 54, so that one side of the door body 7 extends into the spherical house, and the second sliding member 32 and the fourth sliding member 42 both withdraw from their respective turning grooves 122 and move to one end close to their respective arc grooves 121; the gear member 6 continues to rotate and contacts with the long rack 53 part, and the transmission force generated is transmitted by the turning tooth plate 5 to the lower mounting bar 4, then to the door body 7, and then to the upper mounting bar 3, so that the third sliding member 41 and the fourth sliding member 42 of the lower mounting bar 4 slide in the third arc groove 21 and the fourth arc groove 22 respectively, specifically, slide in their respective arc grooves 121, specifically, Figure 411, and the second arc groove 21 is in the state of being moved from left to right; and the moving trajectory of the left end of the door body 7 is the same as the arc shape of the first arc groove 11, and the moving trajectory of the right end of the door body 7 is the same as the arc shape of the second arc groove 12; and the upper limit plate 1 cooperates with the movement of the upper mounting bar 3, and the lower limit plate 2 cooperates with the movement of the lower mounting bar 4, and the upper mounting bar 3 and the lower mounting bar 4 are limited to only suitable arc movement; the entire door body 7 first extends into the spherical house at one end, and as the entire door body 7 continues to move, the other end of the door body 7 also extends into the interior of the spherical house; finally, the entire door body 7 extends into the spherical house, that is, reaches the above-mentioned completion state, at which time the first sliding member 31 abuts against the right end of the first arc groove 11, the third sliding member 41 abuts against the right end of the third arc groove 21, and the second sliding member 32 and the fourth sliding member 42 abut against the right end of their respective arc groove portions 121; the closing action of the door body 7 is opposite to the above-mentioned process, and no further description is made here.

[0045] In addition, in order to clearly show the setting of the third arc groove 21, in the drawings of the specification involved in the present invention, the third arc groove 21 and the third sliding member 41 are not directly inserted and installed, that is, the third sliding member 41 is shown in the figure as being set on the outside of the third arc groove 21, but in the actual operation and installation process of the present invention, the third sliding member 41 should always be limited in the third arc groove 21.

[0046] In a further embodiment of the present invention, the distances from the edges of the arc groove portion 121 of the second arc groove on both sides in the width direction to the edges of the upper limit plate 1 on both sides in the width direction are equal, that is, the arc groove portion 121 of the second arc groove 12 is arranged at the center position of one end of the upper limit plate 1; the fourth arc groove 22 of the lower limit plate 2 is arranged similarly.

[0047] In a further embodiment of the present invention, a bend is formed at the connection between the long rack 53 and the short rack 54, which has a certain arc that is convenient for the gear member 6 to mesh and pass through; preferably, the angle between the extension line of the long rack 53 and the extension line of the short rack 54 is not less than 90 degrees, so that the gear member 6 can transition to the above-mentioned bend as smoothly as possible when passing through.

[0048] In a further embodiment of the present invention, the angle between the extension line of the long rack 53 and the extension line of the short rack 54 is positioned as a first angle, and the angle between the center line of the arc groove portion 121 and the center line of the bend groove portion 122 is a second angle. Preferably, the first angle is equal to the second angle; wherein the bend groove portion 122 is arranged toward the outside of the spherical house relative to the arc groove portion 121, and the bend portion 52 is arranged toward the inside of the spherical house relative to the long strip portion 51.

[0049] Further, as a preferred embodiment, the first sliding member 31, the second sliding member 32, the third sliding member 41 and the fourth sliding member 42 all include: a shaft member 311 and a roller 312, one end of the shaft member 311 is fixedly connected to the upper mounting bar 3 or the lower mounting bar 4, the roller 312 is rotatably mounted on the other end of the shaft member 311, and the roller 312 is slidably disposed in the first arc groove 11 or the second arc groove 12 or the third arc groove 21 or the fourth arc groove 22; wherein, the shaft member 311 of the fourth sliding member 42 passes upward through the lower mounting bar 4 and is hinged to the lower surface of one end of the turning portion 52.

[0050] Further, as a preferred embodiment, the upper limit plate 1 is arranged in an arc shape, the lower limit plate 2 is arranged in an arc shape, the arc length of the upper limit plate 1 is equal to the arc length of the lower limit plate 2, and the curvature radius of the upper limit plate 1 is equal to the curvature radius of the lower limit plate 2. Further, in a preferred embodiment, the structural design of the upper limit plate 1 and the lower limit plate 2 are exactly the same.

[0051] Further, as a preferred embodiment, the upper mounting bar 3 is arranged in an arc shape, the lower mounting bar 4 is arranged in an arc shape, the arc length of the upper mounting bar 3 is equal to the arc length of the lower mounting bar 4, and the curvature radius of the upper mounting bar 3 is equal to the curvature radius of the lower mounting bar 4. Further, in a preferred embodiment, the structural design of the upper mounting bar 3 and the lower mounting bar 4 is exactly the same.

[0052] Further, as a preferred embodiment, it also includes: a guide post 71 and a spring 72, one end of the spring 72 is fixedly connected to the other end of the curved tooth plate 5, the other end of the spring 72 is fixedly connected to the inner side of the lower part of the door body 7, the guide post 71 is sleeved in the spring 72, one end of the guide post 71 is fixedly connected to the inner side of the lower part of the door body 7, the other end of the guide post 71 can slide through the curved tooth plate 5, and the other end of the long strip 51 is provided with a through hole 73, and the through hole 73 matches the other end of the guide post 71. Further, in the initial state, the spring 72 is in an extended state, and as the door body 7 is opened, the spring 72 is gradually compressed between the door body 7 and the curved tooth plate 5, and in this process, the other end of the curved tooth plate 5 gradually approaches the door body 7.

[0053] Further, as a preferred embodiment, the gear member 6 includes: a rotating shaft 61 and a gear body 62, the lower end of the rotating shaft 61 is rotatably arranged through the lower limit plate 2, the gear body 62 is fixedly installed on the upper end of the rotating shaft 61, and the long rack 53 and the short rack 54 are respectively operably engaged with the gear body 62.

[0054] Furthermore, as a preferred embodiment, it also includes: a motor 8 , which is arranged below the lower limit plate 2 , and the output shaft of the motor 8 passes through the lower limit plate 2 and is connected to the rotating shaft 61 .

[0055] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.

[0056] The present invention also has the following implementation modes based on the above:

[0057] In a further embodiment of the present invention, the outer side of the lower limit plate 2 has an outer arc edge 23, and the inner side of the lower limit plate 2 has an inner arc edge 24, the curvature radius of the outer arc edge 23 is greater than the curvature radius of the inner arc edge 24, and the outer arc edge 23 and the inner arc edge 24 are arranged concentrically; the distance from the end of the first arc groove 11 away from the second arc groove 12 to the inner arc edge 24 is a first distance value, and the distance from the end of the first arc groove 11 close to the second arc groove 12 to the inner arc edge 24 is a second distance value, and the first distance value is greater than the second distance value. Furthermore, and relative to the center line of the lower limit plate 2 along the length direction, one end of the first arc groove 11 is arranged on the outside of the above-mentioned center line, the other end of the first arc groove 11 is arranged on the inside of the above-mentioned center line, and the second arc groove 12 is arranged along the above-mentioned center line; the inside and outside used in the present invention are the side close to the center of the spherical house and the side away from the center of the spherical house of any structure; that is, in this embodiment, the length of the outer arc edge 23 is greater than the length of the inner arc edge 24, and the outer arc edge 23 and the inner arc edge 24 are both arc-shaped with the middle bulging outward.

[0058] In a further embodiment of the present invention, one end of the turning groove portion 122 is disposed closer to the inner arc edge 24 relative to the other end of the turning groove portion 122 .

[0059] In a further embodiment of the present invention, the vertical cross section of the door body 7 is arranged in an arc shape. Further, when the present invention is applied to a spherical house, the door body 7 is equivalent to a part of the shell body cut off after a door hole is opened in a spherical shell.

[0060] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A curved door moving mechanism, characterized in that: include: An upper limit plate, wherein a first arc groove and a second arc groove are sequentially arranged on a lower surface of the upper limit plate along a length direction; A lower limit plate, the lower limit plate is arranged below the upper limit plate, and a third arc groove and a fourth arc groove are arranged in sequence on the upper surface of the lower limit plate along the length direction, the third arc groove is arranged directly below the first arc groove, and the fourth arc groove is arranged below the second arc groove; An upper mounting bar, the upper mounting bar being movably disposed below the upper limit plate; A lower mounting bar, the lower mounting bar being movably disposed above the lower limiting plate; A curved tooth plate, the curved tooth plate being arranged above the lower limit plate, one end of the curved tooth plate being hinged to one end of the lower mounting bar; A gear member, the gear member is rotatably mounted on the middle portion of the upper surface of the lower limit plate, and the gear member is meshedly connected with one side of the curved toothed plate; A door body, wherein the upper end of the door body is fixedly connected to the upper mounting bar, and the lower end of the door body is fixedly connected to the lower mounting bar; in, The curved toothed plate comprises: a long strip portion and a curved portion, one end of the long strip portion is connected to one end of the curved portion, and the other end of the curved portion is extended toward the inner side of the door body relative to the long strip portion; a long rack is formed on the side of the long strip portion away from the door body, and a short rack is formed on the side of the curved portion close to the long strip portion, the long rack and the short rack are connected and arranged, and the long rack and the short rack are respectively operably meshed with the gear member; The long strip portion is disposed close to the third arc-shaped groove, and the turning portion is disposed close to the fourth arc-shaped groove; A first sliding member and a second sliding member are respectively disposed at two ends of the upper surface of the upper mounting bar, wherein the first sliding member is slidably mounted in the first arc-shaped groove, and the second sliding member is slidably disposed in the second arc-shaped groove; A third sliding member and a fourth sliding member are respectively provided at two ends of the lower surface of the lower mounting bar, the third sliding member is slidably mounted in the third arc-shaped groove, and the fourth sliding member is slidably disposed in the fourth arc-shaped groove; The first arc groove and the third arc groove are both arranged in an arc shape, and an end of the first arc groove away from the second arc groove is arranged close to the outer side of the upper limit plate, an end of the first arc groove close to the second arc groove is arranged close to the inner side of the upper limit plate, an end of the third arc groove away from the fourth arc groove is arranged close to the outer side of the lower limit plate, and an end of the third arc groove close to the fourth arc groove is arranged close to the inner side of the lower limit plate; The second arc groove and the fourth arc groove each include: an arc groove portion and a bend groove portion, the arc groove portion is arranged along the length direction of the upper limit plate or the length direction of the lower limit plate, one end of the bend groove portion is connected with one end of the arc groove portion, the bend groove portion is arranged close to the first arc groove or the third arc groove, and the other end of the bend groove portion is arranged toward the outside of the door body; It also includes: a guide column and a spring, one end of the spring is fixedly connected to the other end of the curved tooth plate, the other end of the spring is fixedly connected to the inner side of the lower part of the door body, the guide column is sleeved in the spring, one end of the guide column is fixedly connected to the inner side of the lower part of the door body, the other end of the guide column can be slidably passed through the curved tooth plate, and the other end of the long strip is provided with a through hole, which matches the other end of the guide column.

2. The arc door moving mechanism according to claim 1, characterized in that: The first sliding member, the second sliding member, the third sliding member and the fourth sliding member all include: a shaft and a roller, one end of the shaft is fixedly connected to the upper mounting bar or the lower mounting bar, the roller is rotatably mounted on the other end of the shaft, and the roller is slidably disposed in the first arc groove or the second arc groove or the third arc groove or the fourth arc groove; wherein the shaft of the fourth sliding member passes upward through the lower mounting bar and is hinged to the lower surface of one end of the turning portion.

3. The arc door moving mechanism according to claim 1, characterized in that: The upper limit plate is arranged in an arc shape, and the lower limit plate is arranged in an arc shape. The arc length of the upper limit plate is equal to the arc length of the lower limit plate, and the curvature radius of the upper limit plate is equal to the curvature radius of the lower limit plate.

4. The arc door moving mechanism according to claim 1, characterized in that: The upper mounting bar is arranged in an arc shape, and the lower mounting bar is arranged in an arc shape. The arc length of the upper mounting bar is equal to the arc length of the lower mounting bar, and the curvature radius of the upper mounting bar is equal to the curvature radius of the lower mounting bar.

5. The arc door moving mechanism according to claim 1, characterized in that: The gear member comprises: a rotating shaft and a gear body, the lower end of the rotating shaft is rotatably arranged through the lower limit plate, the gear body is fixedly installed on the upper end of the rotating shaft, and the long rack and the short rack are respectively operably meshed with the gear body.

6. The arc door moving mechanism according to claim 5, characterized in that: Also includes: A motor is disposed below the lower limit plate, and an output shaft of the motor passes through the lower limit plate and is connected to the rotating shaft.

7. The arc door moving mechanism according to claim 3, characterized in that: The outer side of the lower limit plate has an outer arc edge, and the inner side of the lower limit plate has an inner arc edge, the curvature radius of the outer arc edge is greater than the curvature radius of the inner arc edge, and the outer arc edge is concentrically arranged with the inner arc edge; the distance from the end of the first arc groove away from the second arc groove to the inner arc edge is a first distance value, and the distance from the end of the first arc groove close to the second arc groove to the inner arc edge is a second distance value, and the first distance value is greater than the second distance value.

8. The arc door moving mechanism according to claim 7, characterized in that: One end of the turning groove portion is arranged close to the inner arc edge relative to the other end of the turning groove portion.

9. The arc door moving mechanism according to claim 1, characterized in that: The vertical cross section of the door body is arranged in an arc shape.

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