CN110792351A

CN110792351A - Arc-shaped guide rail assembly, guide mechanism and horizontal sliding door device

Info

Publication number: CN110792351A
Application number: CN201911056325.0A
Authority: CN
Inventors: 陈解元
Original assignee: GUANGDONG TUTTI HARDWARE Co Ltd
Current assignee: GUANGDONG TUTTI HARDWARE Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-02-14
Anticipated expiration: 2039-10-31

Abstract

The invention relates to an arc-shaped guide rail assembly, a guide mechanism and a flat sliding door device, wherein the arc-shaped guide rail assembly comprises a guide rail bottom plate, a first arc-shaped guide rail and a second arc-shaped guide rail, the guide rail bottom plate can be matched on a main guide rail of the main guide rail assembly in a sliding mode, the curvature radius of the first arc-shaped guide rail is larger than that of the second arc-shaped guide rail, the first arc-shaped guide rail and the second arc-shaped guide rail are both detachably arranged on the bottom surface of the guide rail bottom plate, and the first arc-shaped guide rail is located close to the outer side of a. Thereby directly select the guide rail bottom plate of suitable size according to the door plant width in the use after, then install first arc guide rail and second arc guide rail in the bottom surface of guide rail bottom plate for respectively can be fixed with the focus of door plant or overweight heart installation point in first arc guide rail and second arc guide rail complex fixed bolster, avoid the condition that the door plant rocked to take place. Need not to change first arc guide rail and second arc guide rail, enlarge application scope, reduce the cost.

Description

Arc-shaped guide rail assembly, guide mechanism and horizontal sliding door device

Technical Field

The invention relates to the field of furniture, in particular to an arc-shaped guide rail assembly, a guide mechanism and a horizontal sliding door device.

Background

The sliding door has the advantages that each door plate is positioned in the same plane when the sliding door is closed, the sealing performance is good, the appearance is attractive, and the sliding door is widely applied to furniture such as a cabinet body. Just because each door plant is located the coplanar under the closed condition, so at the in-process of opening and shutting the door, in order to avoid taking place to interfere between the door plant, need be with the help of arc guide rail assembly for the door plant has the process of uncovered slope, goes on smoothly with the guarantee switch door. However, the general arc-shaped guide rail assembly is only suitable for the door plate with a fixed width, so that the application range is limited, and the use and manufacturing cost is high.

Disclosure of Invention

Accordingly, there is a need for an arcuate track assembly, a guide mechanism and a flat sliding door apparatus that can be used to extend the range of applications and reduce costs.

The utility model provides an arc guide rail assembly, includes guide rail bottom plate, first arc guide rail and second arc guide rail, the guide rail bottom plate can sliding fit on the leading rail of leading rail assembly, the radius of curvature of first arc guide rail is greater than the radius of curvature of second arc guide rail, first arc guide rail with the equal detachably of second arc guide rail is installed the top surface of guide rail bottom plate, first arc guide rail for second arc guide rail is located the position that is close to the external side of cabinet.

Above-mentioned scheme provides an arc guide rail subassembly, through with the radius of curvature difference first arc guide rail and second arc guide rail detachably set up on the guide rail bottom plate to directly select the guide rail bottom plate of suitable size according to the door plant width in the use after, then will first arc guide rail with the second arc guide rail is installed the bottom surface of guide rail bottom plate, make respectively with first arc guide rail with second arc guide rail complex fixed bolster can be fixed with the focus of door plant or overweight heart installation point, avoids the condition that the door plant rocked to take place. Need not to change first arc guide rail with second arc guide rail enlarges application scope, reduces the cost. And the first arc-shaped guide rail with larger curvature radius is positioned at a position close to the outer side of the cabinet body relative to the second arc-shaped guide rail, so that the requirements of dislocation and non-interference between door plates during opening and closing the door of the flat sliding door can be met at the initial stage of opening the door and the final stage of closing the door, and the normal process of opening and closing the door is realized.

In one embodiment, the front side edge and the rear side edge of the guide rail bottom plate are respectively provided with a transverse guide wheel, the transverse guide wheels can be abutted to and roll on the installation bottom plate of the main guide rail assembly, a rotating shaft of each transverse guide wheel is arranged in a direction perpendicular to the main guide rail, the bottom surface of the guide rail bottom plate is provided with a longitudinal guide wheel, a rotating shaft of each longitudinal guide wheel is arranged in a direction perpendicular to the guide rail bottom plate, and each longitudinal guide wheel can be abutted to and roll on the main guide rail.

The utility model provides a guiding mechanism, includes leading rail subassembly, fixed bolster subassembly and foretell arc guide rail subassembly, guide rail bottom plate sliding fit is in on leading rail of leading rail subassembly, the fixed bolster subassembly includes two fixed bolsters and connects the connecting plate between two fixed bolsters, the support end of fixed bolster can be connected with the door plant, one of them fixed bolster with first arc guide rail sliding fit, another fixed bolster with second arc guide rail sliding fit.

Above-mentioned scheme provides a guiding mechanism, through set up the arc guide rail subassembly in the above-mentioned arbitrary embodiment in guiding mechanism to can be different according to the door plant width at the installation, select the guide rail bottom plate of suitable size, then will first arc guide rail and second arc guide rail are installed on the guide rail bottom plate, then accomplish the installation of leading guide rail subassembly and fixed bolster subassembly. Has wide application range and low cost.

In one embodiment, the fixed bracket comprises an inner transmission bracket and an outer transmission bracket, the inner transmission bracket and the outer transmission bracket cross over the main guide rail component along the front-back direction, the inner transmission bracket is in sliding fit with the outer transmission bracket in the front-back direction, the inner transmission bracket is in sliding fit with the main guide rail component in the transverse direction, the supporting end of the outer transmission bracket is connected with the door panel, the inner transmission bracket is provided with a bracket concave wheel, the rotating shaft of the bracket concave wheel is arranged along the direction parallel to the guide rail bottom plate, the main guide rail assembly comprises a concave wheel guide rail arranged along the guide direction of the main guide rail, the concave wheel guide rail is provided with a groove, two opposite raised guide strips are formed on the upper and lower side walls of the groove, and the wheel groove of the bracket concave wheel is limited between the two raised guide strips.

In one embodiment, the rear end of the inner transmission bracket is provided with a positioning pulley and a supporting pulley, the rotating shaft of the positioning pulley is arranged along the direction perpendicular to the guide rail bottom plate, the positioning pulley is limited behind the main guide rail assembly and can roll along the guide direction of the main guide rail, the rotating shaft of the supporting pulley is arranged along the direction parallel to the guide rail bottom plate, and the supporting pulley can be abutted to and rolled by the main guide rail assembly.

In one embodiment, the outer transmission bracket is covered on the inner transmission bracket, the inner transmission bracket is provided with a transmission guide rail arranged along the front-back direction, and the outer transmission bracket is provided with a transmission pulley matched with the transmission guide rail.

In one embodiment, the lower end of the side surface of the outer transmission bracket is provided with a pulley block in sliding fit with the corresponding arc-shaped guide rail, the pulley block comprises two pulleys which are arranged oppositely, the rotating shaft of each pulley is arranged in the direction perpendicular to the bottom surface of the fixed bracket, and the two pulleys can be in rolling fit with the two sides of the corresponding arc-shaped guide rail.

In one embodiment, a tripping limit piece is arranged on the guide rail bottom plate, a first tripping hook is arranged on the main guide rail assembly, the top surface of the fixed bracket is provided with a second unhooking, the position of the guide rail bottom plate corresponding to the tripping limit piece is provided with a abdicating through hole, the tripping limiting piece is arranged in the abdication through hole in a penetrating way, two ends of the tripping limiting piece respectively correspond to the first unhooking hole and the second unhooking hole, the tripping limiting piece can move, so that when the fixed bracket component slides to a first position along a first direction, the tripping limiting piece is matched with the second unhooking for limiting, the tripping limiting piece is separated from the first unhooking, when the arc-shaped guide rail assembly slides to a second position along a second direction, the tripping limiting part is matched and limited by the first unhooking, and the tripping limiting part is separated from the second unhooking.

In one embodiment, the first unhook includes a first arcuate hook slot opening in a first direction, the second unhooking device comprises a second arc-shaped hook groove with an opening facing to a second direction, the bending extending direction of the first arc-shaped hook groove is opposite to that of the second arc-shaped hook groove, the position where the first arc-shaped hook groove is matched with the tripping limiting piece for limiting is a first limiting position, the position where the second arc-shaped hook groove is matched with the tripping limiting piece for limiting is a second limiting position, the trip limiting part can move along the arcs of the first arc-shaped hook groove and the second arc-shaped hook groove, the straight line of the first limiting position and the opening of the second arc-shaped hook groove is a first reference line, the straight line of the second limiting position and the opening of the first arc-shaped hook groove is a second reference line, and the first reference line and the second reference line are both parallel to the main guide rail.

In one embodiment, the first arc-shaped hook groove comprises a first guide part and a first arc-shaped bent part which are communicated, the opening of the first arc-shaped hook groove is positioned at the first guide part, and the first limiting position is positioned at the tail end of the first arc-shaped bent part; and/or the second arc-shaped hook groove comprises a second guide part and a second arc-shaped bent part which are communicated, the opening of the second arc-shaped hook groove is positioned at the second guide part, and the second limit position is positioned at the tail end of the second arc-shaped bent part.

In one embodiment, the tangent of the end of the first arcuate bend is perpendicular to the main guide rail; and/or the tangent of the end of the second curved bend is perpendicular to the main guide rail.

In one embodiment, the main guide rail assembly is further provided with a stopper, the guide rail bottom plate is provided with a matching position matched with the stopper, and when the arc-shaped guide rail assembly slides to the second position along the second direction, the matching position is matched with the stopper for limiting.

In one embodiment, the guide mechanism further comprises a connecting plate disposed along the main guide rail, the catch is located at one end of the connecting plate, and the first unhooking is located at the other end of the connecting plate.

In one embodiment, the tripping limiting part comprises a rotating rod, the rotating rod is rotatably arranged on the guide rail bottom plate, the rotating rod is arranged in the yielding through hole in a penetrating mode, and two ends of the rotating rod are respectively matched with the first unhooking part and the second unhooking part to be limited.

A flat sliding door device comprises a first door plate and the guide mechanism, wherein the supporting end of the fixing support is connected with the first door plate and used for driving the first door plate to move.

The scheme provides a flat sliding door device, and the guide mechanism in any embodiment provides a guide function for the first door plate, so that an appropriate guide rail bottom plate can be selected according to the width of the first door plate in the using process. And then the first arc-shaped guide rail and the second arc-shaped guide rail are arranged on the guide rail bottom plate according to the size of the first door plate, so that two fixing supports matched with the first arc-shaped guide rail and the second arc-shaped guide rail can be fixed at the gravity center or the overweight center mounting point of the first door plate, the first door plate is ensured not to shake, the first arc-shaped guide rail and the second arc-shaped guide rail which are complicated in manufacturing process are not required to be replaced, the application range is wide, and the cost is lower.

In one embodiment, the sliding door device further comprises a second door plate, the number of the arc-shaped guide rail assemblies and the number of the fixed support assemblies are two, the arc-shaped guide rail assemblies correspond to the fixed support assemblies in a one-to-one mode, the two arc-shaped guide rail assemblies are arranged on the main guide rail at intervals, one of the fixed support assemblies is connected with the first door plate, and the other fixed support assembly is connected with the second door plate.

Drawings

FIG. 1 is a schematic structural view of an arcuate rail assembly according to the present embodiment;

FIG. 2 is an exploded view of the trip limiting stop, the rotary cushion cylinder and the box cover of the arcuate rail assembly of FIG. 1;

fig. 3 is a plan view of the rotating lever, the rotating cylinder, the elastic abutting member and the mounting box according to the present embodiment in an assembled state;

fig. 4 is an exploded view of the rotating lever, the rotating cylinder, the elastic abutment member and the mounting box shown in fig. 3;

FIG. 5 is a left side view of the arcuate rail assembly of the present embodiment;

fig. 6 is a schematic structural view of the sliding door apparatus according to the present embodiment in a door closing state;

FIG. 7 is a schematic structural view of the flat sliding door apparatus of the present embodiment when it is just opened;

FIG. 8 is a schematic structural view of the flat sliding door apparatus according to the present embodiment in a fully opened state;

FIG. 9 is a schematic structural view of a flat sliding door apparatus according to another embodiment;

FIG. 10 is a schematic structural view of a guide mechanism according to the present embodiment;

FIG. 11 is an isometric view of the stationary bracket assembly of the present embodiment;

FIG. 12 is an isometric view of the mounting bracket of the present embodiment;

FIG. 13 is a cross-sectional view of the mounting bracket of FIG. 12;

FIG. 14 is a structural view of the fixing bracket of FIG. 12 from another perspective;

fig. 15 and 16 are front and top views, respectively, of the first unhook, catch and attachment plate of this embodiment assembled together;

fig. 17 and 18 are a front view and a right side view, respectively, of the second unhooking device according to the present embodiment.

Description of reference numerals:

10. a guide mechanism; 11. an arcuate guide rail assembly; 111. a guide rail bottom plate; 1111. a matching position; 1112. rotating the buffer oil cylinder; 1113. mounting a box; 1114. a box cover; 1115. a transverse guide wheel; 1116. a longitudinal guide wheel; 1117. a butting block; 1118. a compression spring; 112. a first arcuate guide rail; 113. a second arcuate guide rail; 12. a primary guide rail assembly; 121. a main guide rail; 122. a concave wheel guide rail; 13. a fixed bracket assembly; 131. fixing a bracket; 1311. a support end; 1312. a support concave wheel; 1313. a pulley; 1314. an outer drive support; 1315. an inner transmission bracket; 1316. positioning the pulley; 1317. a support pulley; 1318. a transmission pulley; 132. a connecting plate; 133. a spring; 134. a cylinder damper; 14. a first unhooking; 141. a first limit bit; 142. a first guide portion; 143. a first arcuate bend; 15. second unhooking; 151. a second limit bit; 152. a second guide portion; 153. a second arcuate bend; 16. tripping the limiting part; 161. a cam structure; 17. a stopper; 18. a connecting plate; 20. a horizontal sliding door device; 30. a first door panel; 40. a second door panel.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

As shown in fig. 1 and 2, in one embodiment, a curved track assembly 11 is provided that includes a track base 111, a first curved track 112, and a second curved track 113. As shown in fig. 6 to 8, the rail base plate 111 can be slidably fitted on the main rail 121 of the main rail assembly 12. As shown in fig. 1 and 2, a curvature radius of the first arc-shaped guide rail 112 is greater than a curvature radius of the second arc-shaped guide rail 113, the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 are both detachably mounted on the top surface of the guide rail base plate 111, and the first arc-shaped guide rail 112 is located close to the outer side of the cabinet body relative to the second arc-shaped guide rail 113.

Through detachably setting the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 with different curvature radiuses on the guide rail bottom plate 111, after the guide rail bottom plate 111 with a proper size is directly selected according to the width of the door panel in the using process, the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 are installed on the bottom surface of the guide rail bottom plate 111, so that the fixing bracket 131 respectively matched with the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 can be fixed with the gravity center or the overweight installation point of the door panel, and the door panel is prevented from shaking. The first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 do not need to be replaced, the application range is expanded, and the cost is reduced. And the first arc-shaped guide rail 112 with the larger curvature radius is positioned at a position close to the outer side of the cabinet body relative to the second arc-shaped guide rail 113, so that the requirement of dislocation and non-interference between door plates during door opening and closing of the flat sliding door can be met at the door opening starting stage and the door closing finishing stage, and the normal door opening and closing process is realized.

Further, as shown in fig. 5, in an embodiment, the guide rail base plate 111 is provided with lateral guide wheels 1115 on both the front side and the rear side, as shown in fig. 10, the lateral guide wheels 1115 can abut against and roll on the mounting base plate of the main guide rail assembly 12, the rotating shaft of the lateral guide wheels 1115 is disposed in a direction perpendicular to the main guide rail 121, the bottom surface of the guide rail base plate 111 is provided with longitudinal guide wheels 1116, the rotating shaft of the longitudinal guide wheels 1116 is disposed in a direction perpendicular to the guide rail base plate 111, and the longitudinal guide wheels 1116 can abut against and roll on the main guide rail 121.

Therefore, after the arc-shaped guide rail assembly 11 is installed on the main guide rail assembly 12, the guide rail bottom plate 111 can slide along the guide direction of the main guide rail 121 on the main guide rail assembly 12 under the guide action of the transverse guide wheels 1115 and the longitudinal guide wheels 1116, and the reliability of the sliding process is ensured.

Further, in another embodiment, as shown in fig. 6 to 8, a guiding mechanism 10 is provided, which guiding mechanism 10 can be used in a flat sliding door arrangement 20 for providing a guiding effect for a door panel. As shown in fig. 10, the guide mechanism 10 includes a main guide rail assembly 12, a fixed bracket assembly 13, and the above-mentioned arc-shaped guide rail assembly 11, and the guide rail bottom plate 111 is slidably fitted on the main guide rail 121 of the main guide rail assembly 12. As shown in fig. 6 to 8 and 11, the fixing bracket assembly 13 includes two fixing brackets 131 and a connecting plate 132 connected between the two fixing brackets 131, and the supporting end 1311 of the fixing brackets 131 can be connected to the door panel, wherein one fixing bracket 131 is slidably engaged with the first arc-shaped guide rail 112, and the other fixing bracket 131 is slidably engaged with the second arc-shaped guide rail 113.

By arranging the arc-shaped guide rail assembly 11 in any of the above-mentioned embodiments in the guide mechanism 10, a guide rail base plate 111 with a proper size can be selected according to different door panel widths in the installation process, and then the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 are installed on the guide rail base plate 111, so that the installation process of the main guide rail assembly 12 and the fixed bracket assembly 13 is completed. Has wide application range and low cost.

Moreover, the arc-shaped guide rail assembly 11 and the main guide rail assembly 12 are separately and independently arranged, so that the proper arc-shaped guide rail assembly 11 can be selected according to the width of the cabinet door, and then the selected arc-shaped guide rail assembly 11 is in sliding fit with the main guide rail 121 of the main guide rail assembly 12, so that the cost is further reduced, and the application range of the guide mechanism 10 is expanded. Then, the door panel is assembled with the arc-shaped guide rail assembly 11 by using the fixing bracket 131 of the fixing bracket assembly 13, so that the fixing bracket assembly 13 can be fixed with the center of gravity or the overweight mounting point of the door panel, and the door panel is prevented from shaking.

Specifically, as shown in fig. 9, the fixing bracket 131 includes an inner driving bracket 1315 and an outer driving bracket 1314, the inner driving bracket 1315 and the outer driving bracket 1314 cross over the main guide rail assembly 12 in the front-back direction, the inner driving bracket 1315 is slidably engaged with the outer driving bracket 1314 in the front-back direction, the inner driving bracket 1315 is slidably engaged with the main guide rail assembly 12 in the transverse direction, where the transverse direction refers to the guiding direction of the main guide rail 121 on the main guide rail assembly 12, the supporting end 1311 of the outer driving bracket 1314 is connected to the door panel, and the connecting plate 132 is connected between the two outer driving brackets 1314.

Therefore, in the initial stage of opening the door or the final stage of closing the door, the distance between the two fixed brackets 131 is fixed, the outer transmission bracket 1314 slides in the front-back direction relative to the corresponding inner transmission bracket 1315, and the door panel is opened under the guiding action of the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113, so as to avoid interference.

As shown in FIG. 9, a spring 133 is disposed between one of the outer driving brackets 1314 and the rear end of the corresponding inner driving bracket 1315, and when the door is opened, the spring 133 is stretched to give the outer driving bracket 1314 a certain resilience. When the door is closed, under the action of the resilient force, the outer transmission support 1314 is pulled to move on the corresponding arc-shaped guide rail, and ensures that the door is tensioned and closed in the door-closed state.

Further, as shown in fig. 9, an oil cylinder damper 134 is disposed between the rear end of one of the inner transmission brackets 1315 and the connecting plate 132, a main body of the oil cylinder damper 134 is connected with the connecting plate 132, and a rod head of the oil cylinder damper 134 is connected with the rear end of the inner transmission bracket 1315, so as to achieve a buffering effect on the door panel in the door closing process.

Further, as shown in fig. 10 and 13, in an embodiment, a positioning pulley 1316 and a supporting pulley 1317 are disposed at a rear end of the inner transmission bracket 1315, a rotation shaft of the positioning pulley 1316 is disposed in a direction perpendicular to the guide rail bottom plate 111, the positioning pulley 1316 is limited behind the main guide rail assembly 12 and can roll along a guiding direction of the main guide rail 121, a rotation shaft of the supporting pulley 1317 is disposed in a direction parallel to the guide rail bottom plate 111, and the supporting pulley 1317 can abut against the main guide rail assembly 12 and roll.

Thereby limiting the movement of the inner drive bracket 1315 in the fore-aft direction on the main guide rail assembly 12, while the inner drive bracket 1315 is able to move in the guide direction of the main guide rail assembly 12.

Specifically, as shown in fig. 14, the outer transmission support 1314 is covered on the inner transmission support 1315, the inner transmission support 1315 is provided with a transmission guide rail arranged in the front-back direction, and the outer transmission support 1315 is provided with a transmission pulley 1318 engaged with the transmission guide rail.

So that the outer driving support 1314 and the inner driving support 1315 are arranged in the front-rear direction with respect to the inner driving support 1315 by the guiding action between the driving pulley 1318 and the driving rail.

Further, as shown in fig. 12 and 13, in one embodiment, a bracket concave wheel 1312 is disposed on the inner transmission bracket 1315, a rotation shaft of the bracket concave wheel 1312 is disposed in a direction parallel to the guide rail bottom plate 111, as shown in fig. 10, the main guide rail assembly 12 includes a concave wheel guide rail 122 disposed in a guiding direction of the main guide rail 121, the concave wheel guide rail 122 has a groove, two convex guide strips are formed on upper and lower sidewalls of the groove, and a wheel groove of the bracket concave wheel 1312 is limited between the two convex guide strips.

The inner driving bracket 1315 and the main guide rail assembly 12 are in rolling fit with the concave wheel guide rail 122 through the bracket concave wheel 1312, so that the guide mechanism 10 can be arranged above the cabinet body or below the cabinet body, namely, the guide mechanism 10 is suitable for both a hanging cabinet and a floor cabinet.

Further, as shown in fig. 13, in one embodiment, the lower end of the side surface of the outer transmission bracket 1314 is provided with a pulley block slidably engaged with the corresponding arc-shaped guide rail, the pulley block comprises two pulleys 1313 oppositely arranged, the rotating shaft of the pulley 1313 is arranged in a direction perpendicular to the top surface of the fixed bracket 131, and the two pulleys 1313 can be engaged with the two sides of the corresponding arc-shaped guide rail in a rolling manner.

Namely, the two pulleys 1313 which are oppositely arranged are limited at two sides of the corresponding arc-shaped guide rail, so that the guide effect is realized. When the fixed bracket 131 slides relative to the corresponding arc-shaped guide rail, the sliding process is reliable and stable.

Further, in one embodiment, as shown in fig. 1 to 5, a trip limiting member 16 is disposed on the guide rail base plate 111. As shown in fig. 6 to 8, the main guide rail assembly 12 is provided with a first hook 14, and the top surface of the fixing bracket 131 is provided with a second hook 15. The position that corresponds with the dropout locating part 16 on the guide rail bottom plate 111 is equipped with the perforation of stepping down, the dropout locating part 16 wears to establish in the perforation of stepping down, the both ends of dropout locating part 16 respectively with first unhook 14 with second unhook 15 corresponds, the dropout locating part 16 can remove, makes when fixed bracket component 13 slides to the first position along the first direction, the dropout locating part 16 by second unhook 15 cooperates spacingly, the dropout locating part 16 with first unhook 14 breaks away from, works as when arc guide rail subassembly 11 slides to the second position along the second direction, the dropout locating part 16 by first unhook 14 cooperates spacingly, the dropout locating part 16 with second unhook 15 breaks away from.

Through further setting up dropout locating part 16, first unhook 14 and second unhook 15 for sliding fit is in arc guide rail subassembly 11 on main guide rail 121 can be as shown in fig. 7 when opening the door, based on first arc guide rail 112 with the radius of curvature of second arc guide rail 113 is different, accomplishes open action earlier, and after open action was accomplished, as shown in fig. 8, arc guide rail subassembly 11 can follow again main guide rail 121 slides, accomplishes the process of opening the door. When closing the door, arc guide rail set spare 11 can follow earlier main guide rail 121 slides, before the end of closing the door, arc guide rail set spare 11 is fixed bracket set spare 13 realizes uncovered action with the effect of arc guide rail down, accomplishes the process of closing the door. Therefore, the guide mechanism 10 does not shake under the condition of meeting the requirements of different door panel widths, and the door opening and closing process can be realized.

Specifically, during door opening, the fixed bracket assembly 13 slides with the door panel in a first direction, as shown in fig. 8. In the starting stage of opening the door, as shown in fig. 7, the trip limiting member 16 is limited by the first trip hook 14 and cannot move along the main guide rail 121, so that the fixed bracket 131 moves on the corresponding arc-shaped guide rail, and the door panel forms an open state; after the door opening starting stage is finished, the fixed bracket assembly 13 moves to the first position along the first direction, the trip limiting member 16 is limited by the second trip hook 15 in a matching manner, and the trip limiting member 16 is separated from the first trip hook 14, so that the arc-shaped guide rail assembly 11 moves along the first direction on the main guide rail 121 along with the fixed bracket assembly 13, as shown in fig. 8, the door opening process is completed. During the closing process, the fixed bracket assembly 13 carries the door panel to slide in the second direction. Before the door closing end stage is entered, the trip limiting member 16 is limited by the second trip hook 15, and the fixed bracket assembly 13 and the arc-shaped guide rail assembly 11 move together on the main guide rail 121 along the second direction. When the arc-shaped guide rail assembly 11 moves to the second position along the second direction, the trip limiting member 16 is limited by the first trip hook 14 in a matching manner, the trip limiting member 16 is separated from the second trip hook 15, at this time, the arc-shaped guide rail assembly 11 cannot move on the main guide rail 121, and the fixed bracket 131 slides on the corresponding arc-shaped guide rail, so that the door panel is in an open state until the door closing process is completed.

Specifically, in one embodiment, the first hook 14 is disposed on the top surface of the main rail assembly 12, and in the state of fig. 6 and 7, the first hook 14 is hidden by the rail base 111. The trip limiting member 16 penetrates through the guide rail base plate 111, the second trip hook 15 is disposed on the bottom surface of the fixed bracket 131, and the second trip hook 15 is shielded by the fixed bracket 131 in fig. 6 to 8. Two ends of the trip limiting part 16 can be respectively matched with the first trip hook 14 and the second trip hook 15, so that a limiting process is realized.

It should be noted that, after the guide mechanism 10 is installed above the cabinet, the view angles shown in fig. 6 to 8 are views in a top view state, so that a surface of the guide rail bottom plate 111 opposite to the main guide rail 121 is defined as a bottom surface of the guide rail bottom plate 111, and a surface provided with the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 is a top surface of the guide rail bottom plate 111. Similarly, the surface of the fixing bracket 131 opposite to the guide rail bottom plate 111 is the bottom surface of the fixing bracket 131.

Further, in one embodiment, as shown in fig. 15 and 16, the first unhook 14 includes a first arcuate hook slot opening in a first direction. As shown in fig. 17 and 18, the second unhooking portion 15 includes a second arc-shaped hook groove opened in the second direction. The bending extending direction of the first arc-shaped hook groove is opposite to that of the second arc-shaped hook groove. So that the trip limiting member 16 can be disengaged from the second arc-shaped hooking groove when being engaged with the first arc-shaped hooking groove; the trip limiting member 16 can be disengaged from the first arc-shaped hook groove when being engaged with the second arc-shaped hook groove.

Further, the position where the first arc-shaped hook slot cooperates with the trip limiting member 16 for limiting is a first limiting position 141, the position where the second arc-shaped hook slot cooperates with the trip limiting member 16 for limiting is a second limiting position 151, the trip limiting member 16 can move along the arc of the first arc-shaped hook slot and the second arc-shaped hook slot, a straight line where openings of the first limiting position 141 and the second arc-shaped hook slot are located is a first reference line, a straight line where the second limiting position 151 and the opening of the first arc-shaped hook slot are located is a second reference line, and the first reference line and the second reference line are both parallel to the main guide rail 121.

Therefore, when the trip limiting member 16 is limited at the first limit position 141, and the second arc-shaped hooking groove slides along the main guide rail 121 to the fixing bracket assembly 13 to be located at the first position, just the opening of the second arc-shaped hooking groove can be opposite to the trip limiting member 16, and in the process that the fixing bracket 131 continues to slide along the first direction, the trip limiting member 16 moves under the guiding effect of the second arc-shaped hooking groove and is separated from the first limit position 141 of the first arc-shaped hooking groove. So that the arc rail assembly 11 can move along the main rail 121 following the fixed bracket assembly 13.

When the door is closed after the door is opened, the trip limiting member 16 is initially limited at the second limit position 151, so that the arc rail assembly 11 follows the fixed bracket assembly 13 to move along the main rail 121 in the second direction. When the arc-shaped guide rail assembly 11 moves to a position that is about to reach the second position, the opening of the first arc-shaped hook groove is just opposite to the trip limiting part 16, so that the trip limiting part 16 enters the first arc-shaped hook groove, in the process that the arc-shaped guide rail assembly 11 continues to slide along the second direction, under the guiding action of the first arc-shaped hook groove, the trip limiting part 16 is separated from the second limiting position 151, and the fixed support assembly 13 moves along the arc-shaped guide rail of the arc-shaped guide rail assembly 11, so that the door panel enters an open state, and finally the door closing process is completed.

It should be noted that, based on the first unhooking 14 includes the above-mentioned first arc-shaped hook groove, the second unhooking 15 includes the second arc-shaped hook groove, then the shape of the abdicating perforation should enable the tripping limiting part 16 to move in the first arc-shaped hook groove and the second arc-shaped hook groove, that is, the abdicating perforation may be an arc-shaped strip hole, which provides an abdicating space for the moving process of the tripping limiting part 16.

Through the reasonable arrangement of the shapes and the positions of the components, the door opening and closing process of the flat sliding door is completed without the help of an inductor, a driver and the like, the structure is simple, the conception is compact, the cost is low, and the application range is wide.

More specifically, in one embodiment, as shown in fig. 15 and 16, the first arc-shaped hook groove includes a first guide portion 142 and a first arc-shaped bent portion 143 which are communicated with each other, an opening of the first arc-shaped hook groove is located at the first guide portion 142, and the first limit position 141 is located at a distal end of the first arc-shaped bent portion 143. When the trip limiting member 16 is limited by the first arc-shaped hook slot, the trip limiting member 16 is located at the end of the first arc-shaped bending portion 143.

Specifically, in one embodiment, the tangent to the end of the first curved bend 143 is perpendicular to the main guide rail 121. That is, the trip limiting member 16 located at the end of the first arc-shaped bending portion 143 is subjected to resistance in the direction along the main guide rail 121, and the trip limiting member 16 cannot move relative to the first trip hook 14 without exiting from the end of the first arc-shaped bending portion 143, that is, the requirement of fixing the relative position between the arc-shaped guide rail assembly 11 and the main guide rail assembly 12 is met.

Similarly, in one embodiment, as shown in fig. 17 and 18, the second arc-shaped hook groove includes a second guide portion 152 and a second arc-shaped bent portion 153 which are communicated, an opening of the second arc-shaped hook groove is located at the second guide portion 152, and the second limiting position 151 is located at a distal end of the second arc-shaped bent portion 153.

Specifically, as shown in fig. 15, in one embodiment, a tangential direction of the end of the second curved bend 153 is perpendicular to the main guide rail 121.

Further, as shown in fig. 15 and 16, in an embodiment, a stopper 17 is further disposed on the main guide rail assembly 12, as shown in fig. 1 and 2, a matching position 1111 matched with the stopper 17 is disposed on the guide rail base plate 111, as shown in fig. 6 and 7, when the arc-shaped guide rail assembly 11 slides to the second position along the second direction, the matching position 1111 is matched with the stopper 17 for limiting.

The stopper 17 further limits the arc-shaped guide rail assembly 11 to continue sliding along the second direction, and the limit process of the arc-shaped guide rail assembly 11 is realized in combination with the first unhooking 14.

After selecting the arc-shaped guide rail assembly 11 with different sizes according to the width of the door panel, the relative position of the blocking piece 17 and the first unhooking piece 14 can be set according to the size of the arc-shaped guide rail assembly 11. When the blocking member 17 is engaged with the engaging portion 1111, the first release hook 14 is engaged with the release limiting member 16.

Specifically, in one embodiment, as shown in fig. 15 and 16, the stopper 17 is cylindrical, and as shown in fig. 1 and 2, the engagement portion 1111 is a limit groove that is disposed on the side of the guide rail base plate 111 and opens toward the cylindrical stopper 17.

Based on the trip limiting member 16 being also disposed on the guide rail base plate 111, the relative position between the blocking member 17 and the first trip hook 14 can be fixed after the size of the arc-shaped guide rail assembly 11 is selected.

Further, in one embodiment, as shown in fig. 15 and 16, the guiding mechanism 10 further includes a connecting plate 18, the connecting plate 18 is disposed along the main guide rail 121, the catch 17 is located at one end of the connecting plate 18, and the first hook 14 is located at the other end of the connecting plate 18. So that the distance between the stopper 17 and the first unhooking part 14 is fixed by the connecting plate 18, and the positioning accuracy is ensured.

The trip limiting member 16 engaged with the first trip 14 and the limiting groove engaged with the catch member 17 are sequentially disposed along the main guide rail 121.

Further, in one embodiment, as shown in fig. 1 and 2, the end of the first arc-shaped guide rail 112 and the trip limiting member 16 are sequentially arranged in the first direction. That is, when the fixing bracket 131 corresponding to the first arc-shaped guide rail 112 just slides to the end of the first arc-shaped guide rail 112, the second unhooking 15 provided on the fixing bracket assembly 13 just matches with the trip limiting member 16.

Specifically, in an embodiment, as shown in fig. 5, the trip limiting member 16 may be a rotating rod, the rotating rod is rotatably disposed on the guide rail bottom plate 111, the rotating rod is disposed in the yielding through hole, and two ends of the rotating rod are respectively matched with the first unhooking 14 and the second unhooking 15 for limiting.

The rotating rod is respectively matched with the first unhooking part 14 and the second unhooking part 15 through two ends to complete the switching of the limiting and separating processes. When first unhook 14 with second unhook 15 does respectively during first arc hook groove and second arc hook groove, the fenestrate size and the shape of stepping down can satisfy the dwang is in the process that removes in first arc hook groove and the second arc hook groove.

Further, in an embodiment, as shown in fig. 2, a rotation buffer cylinder 1112 is further disposed on the guide rail bottom plate 111, and the rotation buffer cylinder 1112 is connected to the rotation rod and configured to provide a buffer force for the movement of the rotation rod. Thereby first unhook 14 or second unhook 15 does when the dwang provides direction power, rotatory buffer cylinder 1112 can for the dwang provides effectual buffer power, avoids at the in-process of switch door the dwang takes place to strike, produces the noise.

Alternatively, in one embodiment, a torsion spring may be provided to provide a damping force to the rotating lever.

More specifically, as shown in fig. 3 and 4, an elastic abutting piece is further provided on the guide rail bottom plate 111, the elastic abutting piece abuts against an outer peripheral surface of the rotating lever, and a position of the rotating lever abutting against the elastic abutting piece is a cam structure 161. When the rotating lever is in a limit in cooperation with the first release hook 14 or the second release hook 15, the elastic abutting piece abuts against the cam structure 161, so that the rotating lever is kept at this position, and the rotating lever is prevented from freely swinging. Specifically, as shown in fig. 3 and 4, the elastic abutment member includes an abutment block 1117 and a compression spring 1118, and the abutment block 1117 is pressed against the cam structure 161 by the compression spring 1118.

Further, in an embodiment, as shown in fig. 2, a mounting box 1113 and a box cover 1114 matched with the mounting box 1113 are arranged on the guide rail base plate 111, the rotating rod, the rotating buffer cylinder 1112 and the elastic abutting part are all mounted in the mounting box 1113, and the box cover 1114 covers the rotating buffer cylinder 1112 in the mounting box 1113. The installation protection is provided for the rotating rod and the rotating buffer oil cylinder 1112, and dust and the like are prevented from falling into the rotating rod and the rotating buffer oil cylinder, so that the flexibility of movement is influenced.

Further, as shown in fig. 6 to 8, in a further embodiment, there is provided a flat sliding door apparatus 20, which comprises a first door panel 30 and the above-mentioned guiding mechanism 10, wherein the supporting end 1311 of the fixing bracket 131 is connected with the first door panel 30 for moving the first door panel 30.

The above-mentioned solution provides the flat sliding door apparatus 20, which provides a guiding function for the first door panel 30 by using the guiding mechanism 10 described in any of the above-mentioned embodiments, so that the proper guide rail bottom plate 111 can be selected according to the width of the first door panel 30 during the use process. Then, the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 are installed on the guide rail bottom plate 111 according to the size of the first door panel 30, so that the two fixing brackets 131 matched with the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 can be fixed at the center of gravity or the extra-center installation point of the first door panel 30, the first door panel 30 is ensured not to shake, the first arc-shaped guide rail 112 and the second arc-shaped guide rail 113 with complex manufacturing processes do not need to be replaced, the application range is wide, and the cost is low.

Further, in an embodiment, as shown in fig. 6 to 8, the flat sliding door apparatus 20 further includes a second door panel 40, two arc-shaped guide rail assemblies 11 and two fixed bracket assemblies 13 are provided, the arc-shaped guide rail assemblies 11 correspond to the fixed bracket assemblies 13 one by one, the two arc-shaped guide rail assemblies 11 are spaced on the main guide rail 121, one of the fixed bracket assemblies 13 is connected to the first door panel 30, and the other fixed bracket assembly 13 is connected to the second door panel 40.

That is, the control of the two door panels is realized, as shown in fig. 6 to 8, the directions of the arc-shaped guide rails on the two arc-shaped guide rail assemblies 11 are opposite, so that the first door panel 30 can be laminated outside the second door panel 40, and the second door panel 40 can also be laminated outside the first door panel 30.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an arc guide rail subassembly, its characterized in that includes guide rail bottom plate, first arc guide rail and second arc guide rail, the guide rail bottom plate can sliding fit on the leading rail of leading rail subassembly, the radius of curvature of first arc guide rail is greater than the radius of curvature of second arc guide rail, first arc guide rail with the equal detachably of second arc guide rail is installed the top surface of guide rail bottom plate, first arc guide rail for second arc guide rail is located the position that is close to the cabinet body outside.

2. The arcuate rail assembly as defined in claim 1, wherein the guide rail bottom plate is provided with a front side and a rear side with a lateral guide wheel, the lateral guide wheel can be abutted against the mounting bottom plate of the main guide rail assembly for rolling, a rotating shaft of the lateral guide wheel is arranged in a direction perpendicular to the main guide rail, a bottom surface of the guide rail bottom plate is provided with a longitudinal guide wheel, a rotating shaft of the longitudinal guide wheel is arranged in a direction perpendicular to the guide rail bottom plate, and the longitudinal guide wheel can be abutted against the main guide rail for rolling.

3. A guide mechanism, comprising a main guide rail assembly, a fixed bracket assembly and the arcuate guide rail assembly of any one of claims 1 or 2, wherein the guide rail bottom plate is slidably fitted on the main guide rail of the main guide rail assembly, the fixed bracket assembly comprises two fixed brackets and a connecting plate connected between the two fixed brackets, the support ends of the fixed brackets can be connected with the door plate, one of the fixed brackets is slidably fitted with the first arcuate guide rail, and the other fixed bracket is slidably fitted with the second arcuate guide rail.

4. The guide mechanism of claim 3, wherein the fixed bracket comprises an inner drive bracket and an outer drive bracket, the inner transmission bracket and the outer transmission bracket cross over the main guide rail component along the front-back direction, the inner transmission bracket and the outer transmission bracket are in sliding fit in the front-back direction, the inner transmission bracket is in sliding fit with the main guide rail component in the transverse direction, the support end of the outer transmission bracket is connected with the door panel, a bracket concave wheel is arranged on the inner transmission bracket, a rotating shaft of the bracket concave wheel is arranged along a direction parallel to the guide rail bottom plate, the main guide rail assembly comprises a concave wheel guide rail arranged along the guide direction of the main guide rail, the concave wheel guide rail is provided with a groove, two opposite raised guide strips are formed on the upper and lower side walls of the groove, and the wheel groove of the bracket concave wheel is limited between the two raised guide strips.

5. The guide mechanism as claimed in claim 4, wherein a positioning pulley and a supporting pulley are disposed at the rear end of the inner transmission bracket, the rotating shaft of the positioning pulley is disposed along a direction perpendicular to the guide rail bottom plate, the positioning pulley is limited at the rear of the main guide rail assembly and can roll along the guide direction of the main guide rail, the rotating shaft of the supporting pulley is disposed along a direction parallel to the guide rail bottom plate, and the supporting pulley can be abutted against the main guide rail assembly to roll.

6. The guide mechanism as claimed in claim 4, wherein the outer driving bracket is covered on the inner driving bracket, the inner driving bracket is provided with a driving guide rail arranged along the front-back direction, and the outer driving bracket is provided with a driving pulley engaged with the driving guide rail.

7. The guide mechanism as claimed in claim 4, wherein the lower end of the side surface of the outer transmission bracket is provided with a pulley block which is slidably engaged with the corresponding arc-shaped guide rail, the pulley block comprises two pulleys which are oppositely arranged, the rotating shaft of the pulley is arranged along the direction perpendicular to the bottom surface of the fixed bracket, and the two pulleys can be engaged with the two sides of the corresponding arc-shaped guide rail in a rolling manner.

8. The guide mechanism according to any one of claims 3 to 7, wherein a trip limiting member is disposed on the guide rail base plate, a first trip is disposed on the main guide rail assembly, a second trip is disposed on the top surface of the fixed bracket, a abdicating through hole is disposed at a position on the guide rail base plate corresponding to the trip limiting member, the trip limiting member is inserted into the abdicating through hole, two ends of the trip limiting member respectively correspond to the first trip and the second trip, the trip limiting member is movable such that when the fixed bracket assembly slides to a first position along a first direction, the trip limiting member is limited by the second trip in cooperation, the trip limiting member is disengaged from the first trip, and when the arc-shaped guide rail assembly slides to a second position along a second direction, the trip limiting member is limited by the first trip in cooperation, the tripping limiting part is separated from the second unhooking part.

9. The guide mechanism according to claim 8, wherein the first unhooking device comprises a first arc-shaped hooking groove opening in a first direction, the second unhooking device comprises a second arc-shaped hooking groove opening in a second direction, the bending extending direction of the first arc-shaped hooking groove is opposite to that of the second arc-shaped hooking groove, the position where the first arc-shaped hooking groove cooperates with the trip limiting member for limiting is a first limit position, the position where the second arc-shaped hooking groove cooperates with the trip limiting member for limiting is a second limit position, the trip limiting member is capable of moving along the arc-shaped of the first arc-shaped hooking groove and the second arc-shaped hooking groove, the line where the opening of the first arc-shaped hooking groove and the second arc-shaped hooking groove is located is a first reference line, and the line where the second limit position cooperates with the trip limiting member is a second reference line, the first datum line and the second datum line are both parallel to the main guide rail.

10. The guide mechanism as claimed in claim 9, wherein the first arc hook groove includes a first guide portion and a first arc bending portion which are communicated, an opening of the first arc hook groove is located at the first guide portion, and the first limit position is located at a distal end of the first arc bending portion; and/or the second arc-shaped hook groove comprises a second guide part and a second arc-shaped bent part which are communicated, the opening of the second arc-shaped hook groove is positioned at the second guide part, and the second limit position is positioned at the tail end of the second arc-shaped bent part.

11. The guide mechanism of claim 10, wherein a tangent of the first arcuate bend end is perpendicular to the main guide rail; and/or the tangent of the end of the second curved bend is perpendicular to the main guide rail.

12. The guide mechanism as claimed in claim 8, wherein the main guide rail assembly further comprises a stopper, the guide rail bottom plate is provided with a matching position matching with the stopper, and when the arc-shaped guide rail assembly slides to the second position along the second direction, the matching position is matched with the stopper for limiting.

13. The guide mechanism as recited in claim 12, further comprising a web disposed along the primary guide rail, the catch being located at one end of the web, the first barb being located at the other end of the web.

14. The guide mechanism according to claim 8, wherein the trip limiting member comprises a rotating rod, the rotating rod is rotatably disposed on the guide rail bottom plate, the rotating rod is inserted into the yielding through hole, and two ends of the rotating rod are respectively limited by the first unhooking and the second unhooking.

15. A flat sliding door apparatus, comprising a first door panel and a guide mechanism according to any one of claims 3 to 14, wherein the support end of the fixed bracket is connected to the first door panel for moving the first door panel.

16. The sliding door apparatus according to claim 15, further comprising a second door panel, wherein the number of the arc-shaped guide rail assemblies and the number of the fixed bracket assemblies are two, the arc-shaped guide rail assemblies correspond to the fixed bracket assemblies one to one, the two arc-shaped guide rail assemblies are arranged on the main guide rail at intervals, one of the fixed bracket assemblies is connected with the first door panel, and the other fixed bracket assembly is connected with the second door panel.