TWI746211B - Interlocking sliding door - Google Patents

Abstract

An interlocking sliding door includes an upper rail, a first door plank, a second door plank, a third door plank, a gear, a first gear rack, a second gear rack, a first limiting member, a second limiting member, a first trough member and a second trough member. The gear, the first gear rack, and the second gear rack are engaged to each other to constitute an interlocking mechanism, so as to achieve an interlocking function of the door planks. The first limiting member has a first protrusion which is inserted in a first limiting slot of the first trough member for guiding and limiting the movement of the second door plank. The second limiting member has a second protrusion which is inserted in a second limiting slot of the second trough member for guiding and limiting the movement of the third door plank. Therefore, the door planks can be accurately positioned. The door planks are positioned well without shake, and are slid more smoothly.

Description

Linked sliding door

The invention relates to a linked sliding door, in particular to a frameless linked sliding door.

The linkage sliding door can be applied to shower sliding doors and other devices. The existing linkage sliding door has a multi-door linkage function. When the user pushes one of the door panels, the linkage mechanism can achieve the multi-door linkage function. Most of the existing linkage mechanisms are composed of belt groups, but the belts are prone to differential motion, and it is difficult to accurately drive the door panel, making the door panel unable to be accurately positioned. Furthermore, for frameless linked sliding doors, the positioning of the door panels is poor, the door panels are prone to shaking, and the movement is not smooth. In addition, the existing linkage mechanism is also composed of gears and racks. Although the gears and racks are matched accurately, there are still problems that the door panel is prone to shake and the movement is not smooth.

The technical problem to be solved by the present invention is to provide a linkage sliding door in view of the shortcomings of the prior art, which does not produce differential motion, can accurately drive the door panel, and the door panel can be accurately positioned, the door panel is better positioned, and the door panel does not shake , It moves more smoothly.

In order to solve the above technical problems, the present invention provides a linked sliding door, including: an upper rail, the upper rail having a first groove, a second groove and a third groove; a first door panel, the first The upper end of a door panel is arranged in the first groove; a second door panel, a first pulley is arranged at the upper end of the second door panel, and the first pulley is slidingly fitted in the second groove; a third door panel , A second pulley is provided at the upper end of the third door panel, and the second pulley is slidably fitted in the third groove; a gear is pivoted at the upper end of the second door panel; a first rack, The first rack is fixed at the upper end of the first door panel, the first rack is arranged horizontally; a second rack, the second rack is fixed at the upper end of the third door panel, the second tooth The bar is arranged horizontally, the gear meshes with the first rack and the second rack to form a linkage mechanism; a first limiting member, the first limiting member is fixed to the lower end of the first door panel Where the first limiting member extends in the direction of the second door panel to form a first protrusion; a second limiting member, the second limiting member is fixed at the lower end of the second door panel, and the second limiting member The positioning member extends in the direction of the third door panel to form a second convex portion; a first trough-shaped member, the first trough-shaped member is fixed at the lower end of the second door panel, the first trough-shaped member has a first A limiting slot, the first protrusion of the first limiting member is inserted into the first limiting slot of the first trough-shaped member for guiding and limiting the movement of the second door panel; and a second A trough-shaped member, the second trough-shaped member is fixed at the lower end of the third door panel, the second trough-shaped member has a second limiting groove, and the second protrusion of the second limiting member is inserted into the first The second limiting slot of the two groove-shaped member is used for guiding and limiting the movement of the second door panel and the third door panel.

The beneficial effect of the present invention is that the linkage sliding door provided by the present invention includes an upper rail, a first door panel, a second door panel, a third door panel, a gear, a first rack, and a second tooth. Article, a first limiting member, a second limiting member, a first trough-shaped member and a second trough-shaped member. The upper ends of the first door panel, the second door panel and the third door panel are arranged on the upper rail, the gear is pivoted at the upper end of the second door panel, and the first rack and the second rack are respectively fixed on the first door panel and the third door panel. At the upper end, the gear meshes with the first rack and the second rack to form a linkage mechanism, which can achieve the function of multi-door linkage without differential motion and can accurately drive the door panel. The first convex portion of the first limiting member is inserted into the first limiting groove of the first groove-shaped member, and the second convex portion of the second limiting member is inserted into the second limiting groove of the second groove-shaped member It is used to guide and limit the movement of each door panel, so that each door panel can be accurately positioned, the positioning of the door panel is better, the door panel does not shake, the movement is smoother, and the strength is better.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings about the present invention. However, the provided drawings are only for reference and description, and are not used to limit the present invention.

The following are specific specific examples to illustrate related implementations disclosed in the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual dimensions, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

[First Embodiment]

1 to 3, the present invention provides a linked sliding door, including an upper rail 1, a first door panel 2, a second door panel 3, a third door panel 4, a gear 5, a first tooth Strip 6, a second rack 7, a first limiting member 8, a second limiting member 9, a first groove-shaped member 10, and a second groove-shaped member 20.

The upper rail 1 can be an aluminum extruded structure, but is not limited, and the upper rail 1 can be appropriately fixed to a building. The upper track 1 has a first groove 11, a second groove 12, and a third groove 13. The first groove 11, the second groove 12, and the third groove 13 extend along the length of the upper track 1 , The second trench 12 is located between the first trench 11 and the third trench 13. The first groove 11, the second groove 12, and the third groove 13 may be pulley grooves, fixed grooves, etc. In this embodiment, the first groove 11 is a fixed groove, and the second groove 12 and the third groove The groove 13 is a pulley groove.

The first door panel 2, the second door panel 3 and the third door panel 4 are arranged on the upper rail 1, and the second door panel 3 is located between the first door panel 2 and the third door panel 4. In this embodiment, the first door panel 2 is a fixed door panel, the upper end of the first door panel 2 is set in the first groove 11, and the first door panel 2 is fixed. A first pulley 31 is provided at the upper end of the second door panel 3. The first pulley 31 is slidably fitted in the second groove 12, and the first pulley 31 can move in the second groove 12 to drive the second door panel 3. Move (move left and right). A second pulley 41 is provided at the upper end of the third door panel 4, and the second pulley 41 is slidably fitted in the third groove 13, and the second pulley 41 can move in the third groove 13, thereby driving the third door panel 4 Move (move left and right). Therefore, the second door panel 3 and the third door panel 4 can move (move left and right) on the upper rail 1, so that the linked sliding door can be opened and closed.

In this embodiment, the upper rail 1 is provided with two first protruding rails 14. The two first protruding rails 14 are close to the bottoms on both sides of the second groove 12, and the two first protruding rails 14 are along the length direction of the upper rail 1. Extends, and the outer edge of the first pulley 31 is provided with two first grooves 32, the two first grooves 32 are respectively fitted to the two first convex rails 14, the first groove 32 can be guided by the first convex rail 14 Guide movement (left and right movement), and can be used to produce a limit effect to prevent the first pulley 31 from shaking forward and backward in the second groove 12.

In this embodiment, the upper rail 1 is provided with two second convex rails 15 which are close to the bottoms on both sides of the third groove 13, and the two second convex rails 15 are along the length direction of the upper rail 1. The outer edge of the second pulley 41 is provided with two second grooves 42. The two second grooves 42 are respectively fitted to the two second convex rails 15. The second groove 42 can be guided by the second convex rail 15 Guide movement (left and right movement), and can be used to produce a limit effect to prevent the second pulley 41 from shaking back and forth in the third groove 13.

In this embodiment, a connecting piece 33 is provided at the lower end of the first pulley 31. The connecting piece 33 may have an L-shaped cross section. The connecting piece 33 has a horizontal portion 331 and a vertical portion 332 (as shown in FIG. 2 ), the horizontal portion 331 and the vertical portion 332 are vertically connected, the horizontal portion 331 is connected to the lower end of the first pulley 31, and the upper end of the second door panel 3 is fixed to the vertical portion 332 with an eccentric screw 34, so the eccentric screw 34 can be used The rotation adjusts the level of the second door panel 3. Similarly, the lower end of the second pulley 41 may be provided with the aforementioned connecting piece 33, the horizontal portion 331 of the connecting piece 33 is connected to the lower end of the second pulley 41, and the upper end of the third door panel 4 is fixed to the upper end of the third door panel 4 with an eccentric screw 34. The vertical portion 332 is used to adjust the horizontal height of the third door panel 4 by using the rotation of the eccentric screw 34.

The gear 5 is pivoted at the upper end of the second door panel 3. The first rack 6 and the second rack 7 are respectively fixed at the upper ends of the first door panel 2 and the third door panel 4. In this embodiment, the first door panel A first seat body 23 and a second seat body 43 are respectively provided at the upper ends of the 2 and the third door panel 4, and the first rack 6 and the second rack 7 are respectively fixed to the first seat body 23 and the second seat body 43 . The first rack 6 and the second rack 7 are arranged horizontally, the gear 5 meshes with the first rack 6 and the second rack 7, and the gear 5 is located between the first rack 6 and the second rack 7, The opposite sides of the gear 5 mesh with the first rack 6 and the second rack 7 respectively to form a linkage mechanism (as shown in FIG. 5). When the third door panel 4 is pulled, the second door panel 3 can be moved in conjunction with the gear 5, the first rack 6 and the second rack 7 to achieve the function of the two doors. If the first door panel 2 adopts a movable design, the three-door linkage function can also be achieved. The only three-door linkage mechanism usually fixes the first door panel 2 or the third door panel 4 in a magnetic manner.

The first limiting member 8 can be fixed to the lower end of the first door panel 2 by screw locking or the like, and the first limiting member 8 extends in the direction of the second door panel 3 to form a first protrusion 81. In this embodiment, the cross-section of the first limiting member 8 may be L-shaped, and the first limiting member 8 has a first fixing portion 82 that is fixed to the side of the first door panel 2 close to At the lower end, the first convex portion 81 is formed by horizontally and upwardly extending from the lower end of the first fixing portion 82, so that the first convex portion 81 is formed upright.

The second limiting member 9 can be fixed to the lower end of the second door panel 3 by screw locking or the like, and the second limiting member 9 extends in the direction of the third door panel 4 to form a second convex portion 91. In this embodiment, the section of the second limiting member 9 may be L-shaped, and the second limiting member 9 has a second fixing portion 92 that is fixed to the side of the second door panel 3 close to At the lower end, the second convex portion 91 is formed horizontally and upwardly from the lower end of the second fixing portion 92, so that the second convex portion 92 is formed upright.

The first groove-shaped member 10 can be fixed to the lower end of the second door panel 3 by means of clamping or screw locking. The first groove-shaped member 10 has a first limiting groove 101. In this embodiment, the The first trough-shaped member 10 may be H-shaped in cross section. The first trough-shaped member 10 has a third fixing portion 102 that is fixed to the lower end of the second door panel 3, and the first limiting groove 101 is located below the third fixing portion 102. The first protrusion 81 of the first limiting member 8 is inserted into the first limiting groove 101 of the first groove-shaped member 10, and the cooperation of the first protrusion 81 and the first limiting groove 101 can be used to guide and Limit the movement of the second door panel 3 to avoid front and back shaking between the first door panel 2 and the second door panel 3, so that the first door panel 2 and the second door panel 3 can be accurately positioned without shaking and moving More smoothly.

The second groove-shaped member 20 can be fixed to the lower end of the third door panel 4 by means of clamping or screw locking. The second groove-shaped member 20 has a second limiting groove 201. In this embodiment, the The second trough member 20 may be H-shaped in cross section. The second trough member 20 has a fourth fixing portion 202 that is fixed to the lower end of the third door panel 4, and the second limiting groove 201 is located below the fourth fixing portion 202. The second protrusion 91 of the second limiting member 9 is inserted into the second limiting groove 201 of the second groove-shaped member 20, and the cooperation of the second protrusion 91 and the second limiting groove 201 can be used to guide and Limit the movement of the second door panel 3 and the third door panel 4 to avoid front and back shaking between the second door panel 3 and the third door panel 4, so that the second door panel 3 and the third door panel 4 can be accurately positioned and moved The time is smoother.

[Second Embodiment]

4, the difference between this embodiment and the first embodiment is that the first door panel 2 is a movable door panel, the first groove 11, the second groove 12, and the third groove 13 are all pulley grooves. A third pulley 21 is provided at the upper end of the first door panel 2. The third pulley 21 is slidably fitted in the first groove 11, and the third pulley 21 can move in the first groove 11 to drive the first door panel 2 to move (Move left and right). Therefore, the first door panel 2, the second door panel 3, and the third door panel 4 can all move on the upper rail 1 (moving left and right), so that the linkage sliding door can be opened and closed.

In this embodiment, the upper rail 1 is provided with two third convex rails 16, the two third convex rails 16 are close to the bottom of both sides of the first groove 11, and the two third convex rails 16 are along the length direction of the upper rail 1. Extends, and the outer edge of the third pulley 21 is provided with two third grooves 22, the two third grooves 22 are respectively fitted to the two third convex rails 16, and the third groove 22 can be along the third convex rail 16 The guiding movement (left and right movement) can be used to produce a limit effect to prevent the third pulley 21 from shaking forward and backward in the first groove 11. The first door panel 2 of this embodiment adopts a movable design. It can also move in conjunction with the first door panel 2 to achieve the three-door linkage function. When the first door panel 2 or the third door panel 4 is pulled, the gear 5 and the A rack 6 and a second rack 7 move in conjunction with the second door panel 3 to achieve the three-door linkage function.

In addition, in this embodiment, the first limiting member 8 is fixed at the lower end of the second door panel 3, and the first limiting member 8 extends in the direction of the first door panel 2 to form a first protrusion 81. The second limiting member 9 is fixed at the lower end of the second door panel 3, and the second limiting member 9 extends in the direction of the third door panel 4 to form a second convex portion 91. The first groove-shaped member 10 is fixed at the lower end of the first door panel 2. The first groove-shaped member 10 has a first limiting groove 101, and the first protrusion 81 of the first limiting member 8 is inserted into the first groove. The first limiting slot 101 of the piece 10 is used to guide and limit the movement of the first door panel 2 and the second door panel 3. The second groove-shaped member 20 is fixed at the lower end of the third door panel 4, the second groove-shaped member 20 has a second limiting groove 201, and the second protrusion 91 of the second limiting member 9 is inserted into the second groove. The second limiting slot 201 of the piece 20 is used to guide and limit the movement of the second door panel 3 and the third door panel 4.

[Beneficial effects of the embodiment]

The beneficial effect of the present invention is that the linkage sliding door provided by the present invention includes an upper rail, a first door panel, a second door panel, a third door panel, a gear, a first rack, and a second tooth. Article, a first limiting member, a second limiting member, a first trough-shaped member and a second trough-shaped member. The upper ends of the first door panel, the second door panel and the third door panel are arranged on the upper rail, the gear is pivoted at the upper end of the second door panel, and the first rack and the second rack are respectively fixed on the first door panel and the third door panel. At the upper end, the gear meshes with the first rack and the second rack to form a linkage mechanism, which can achieve the function of multi-door linkage without differential motion and can accurately drive the door panel.

Furthermore, the first protrusion of the first limiting member is inserted into the first limiting groove of the first groove-shaped member, and the second protrusion of the second limiting member is inserted into the second groove of the second groove-shaped member. The limit slot is used to guide and limit the movement of each door panel, so that each door panel can be accurately positioned, the positioning of the door panel is better, the door panel does not shake, the movement is smoother, and the strength is better.

The content disclosed above is only the preferred and feasible embodiments of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made using the description and schematic content of the present invention are included in the application of the present invention. Within the scope of the patent.

1: on track 11: The first groove 12: The second groove 13: The third groove 14: The first convex rail 15: The second convex rail 16: the third convex rail 2: The first door 21: The third pulley 22: The third groove 23: The first block 3: The second door 31: The first pulley 32: The first groove 33: connecting piece 331: Horizontal 332: Vertical 34: eccentric screw 4 the third door 41: second pulley 42: second groove 43: Second Block 5: Gear 6: The first rack 7: The second rack 8: The first limit piece 81: The first convex part 82: The first fixed part 9: The second limit piece 91: second convex 92: The second fixed part 10: The first trough part 101: The first limit slot 102: third fixed part 20: The second groove type piece 201: second limit slot 202: The fourth fixed part

Fig. 1 is a side view of the interlocking sliding door according to the first embodiment of the present invention.

Fig. 2 is a schematic diagram of the pulley and the connecting member of the present invention.

Figure 3 is a side view of the limiting member and the grooved member of the present invention.

Fig. 4 is a side view of the linked sliding door according to the second embodiment of the present invention.

Figure 5 is a schematic top view of the linkage mechanism of the present invention.

1: on track

11: The first groove

12: The second groove

13: The third groove

14: The first convex rail

15: The second convex rail

2: The first door

23: The first block

3: The second door

31: The first pulley

32: The first groove

33: connecting piece

4: The third door

41: second pulley

42: second groove

43: Second Block

5: Gear

6: The first rack

7: The second rack

8: The first limit piece

81: The first convex part

82: The first fixed part

9: The second limit piece

91: second convex

92: The second fixed part

10: The first trough part

101: The first limit slot

102: third fixed part

20: The second groove type piece

201: second limit slot

202: The fourth fixed part

Claims (11)

A linked sliding door, including: An upper rail, the upper rail having a first groove, a second groove and a third groove; A first door panel, the upper end of the first door panel is set in the first groove; A second door panel, the upper end of the second door panel is provided with a first pulley, and the first pulley is slidingly fitted in the second groove; A third door panel, a second pulley is arranged at the upper end of the third door panel, and the second pulley is slidably fitted in the third groove; A gear, which is pivoted at the upper end of the second door panel; A first rack, the first rack is fixed at the upper end of the first door panel, and the first rack is arranged horizontally; A second rack, the second rack is fixed at the upper end of the third door, the second rack is arranged horizontally, and the gear meshes with the first rack and the second rack to form A linkage mechanism; A first limiting member, the first limiting member is fixed at the lower end of the first door panel, and the first limiting member extends in the direction of the second door panel to form a first protrusion; A second limiting member, the second limiting member is fixed at the lower end of the second door panel, and the second limiting member extends in the direction of the third door panel to form a second protrusion; A first groove-shaped piece, the first groove-shaped piece is fixed at the lower end of the second door panel, the first groove-shaped piece has a first limiting groove, and the first protrusion of the first limiting piece is inserted In the first limiting slot of the first trough-shaped member, it is used to guide and limit the movement of the second door panel; and A second groove-shaped piece, the second groove-shaped piece is fixed at the lower end of the third door panel, the second groove-shaped piece has a second limiting groove, and the second protrusion of the second limiting piece is inserted The second limiting slot of the second trough-shaped member is used to guide and limit the movement of the second door panel and the third door panel. The linked sliding door according to claim 1, wherein the upper rail is provided with two first convex rails, the two first convex rails are close to the bottoms of both sides of the second groove, and the two first convex rails are along the The upper rail extends in the length direction, and the outer edge ring of the first pulley is provided with two first grooves, and the two first grooves are respectively matched with the two first convex rails. The linked sliding door according to claim 2, wherein the upper rail is provided with two second convex rails, the two second convex rails are close to the bottoms of both sides of the third groove, and the two second convex rails are along the The upper rail extends in the length direction, and the outer edge ring of the second pulley is provided with two second grooves, and the two second grooves are respectively matched with the two second convex rails. The interlocking sliding door according to claim 1, wherein a connecting piece is provided at the lower end of the first pulley, the connecting piece has a horizontal part and a vertical part, the horizontal part and the vertical part are connected vertically, the horizontal The upper end of the second door panel is fixed to the vertical part by an eccentric screw, and the horizontal height of the second door panel can be adjusted by the rotation of the eccentric screw. The linked sliding door according to claim 1, wherein a connecting piece is provided at the lower end of the second pulley, the connecting piece has a horizontal part and a vertical part, the horizontal part and the vertical part are connected vertically, and the horizontal part The upper end of the third door panel is fixed to the vertical part with an eccentric screw, and the horizontal height of the third door panel can be adjusted by the rotation of the eccentric screw. The linked sliding door according to claim 1, wherein the first limiting member has a first fixing portion, the first fixing portion is fixed on a side of the first door panel near the lower end, and the first convex portion is formed by the The lower end of the first fixing part is formed to extend horizontally and upward, and the first convex part is formed to stand upright. The linked sliding door according to claim 1, wherein the second limiting member has a second fixing portion, the second fixing portion is fixed on a side of the second door panel near the lower end, and the second convex portion is formed by the The lower end of the second fixing portion is formed to extend horizontally and upward, and the second convex portion is formed to stand upright. The linked sliding door according to claim 1, wherein the cross section of the first trough-shaped member is H-shaped, the first trough-shaped member has a third fixing part, and the third fixing part is fixed to the second door panel. At the lower end, the first limiting slot is located below the third fixing portion. The interlocking sliding door according to claim 1, wherein the second trough-shaped member has an H-shaped cross section, the second trough-shaped member has a fourth fixing portion, and the fourth fixing portion is fixed to the third door panel. At the lower end, the second limiting slot is located below the fourth fixing portion. The linked sliding door according to claim 1, wherein a third pulley is provided at the upper end of the first door panel, the third pulley is slidably fitted in the first groove, and the upper rail is provided with two third convex rails, The two third convex rails are close to the bottoms on both sides of the first groove, the two third convex rails extend along the length direction of the upper rail, the outer edge of the third pulley is provided with two third grooves, the The two third grooves are respectively matched with the two third convex rails. A linked sliding door, including: An upper rail, the upper rail having a first groove, a second groove and a third groove; A first door panel, the upper end of the first door panel is set in the first groove; A second door panel, the upper end of the second door panel is provided with a first pulley, and the first pulley is slidingly fitted in the second groove; A third door panel, a second pulley is arranged at the upper end of the third door panel, and the second pulley is slidably fitted in the third groove; A gear, which is pivoted at the upper end of the second door panel; A first rack, the first rack is fixed at the upper end of the first door panel, and the first rack is arranged horizontally; A second rack, the second rack is fixed at the upper end of the third door, the second rack is arranged horizontally, and the gear meshes with the first rack and the second rack to form A linkage mechanism; A first limiting member, the first limiting member is fixed at the lower end of the second door panel, and the first limiting member extends in the direction of the first door panel to form a first protrusion; A second limiting member, the second limiting member is fixed at the lower end of the second door panel, and the second limiting member extends in the direction of the third door panel to form a second protrusion; A first trough-shaped member, the first trough-shaped member is fixed at the lower end of the first door panel, the first trough-shaped member has a first limiting groove, and the first protrusion of the first limiting member is inserted In the first limiting slot of the first trough-shaped member, it is used to guide and limit the movement of the first door panel and the second door panel; and A second groove-shaped piece, the second groove-shaped piece is fixed at the lower end of the third door panel, the second groove-shaped piece has a second limiting groove, and the second protrusion of the second limiting piece is inserted The second limiting slot of the second trough-shaped member is used to guide and limit the movement of the second door panel and the third door panel.

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