TWI654952B - Drawer slide assembly - Google Patents

Abstract

The invention provides a drawer slide assembly, comprising a cabinet, a drawer and a first elastic member. The cabinet has a pair of connecting portions and a pair of rail portions, and the pair of rail portions are respectively connected to the pair of connecting portions. The drawer is slidably disposed between the pair of rail portions, and the drawer is provided with a penetrating portion on the bottom side. The first elastic member extends through the through portion, and the opposite ends of the first elastic member are respectively connected to the pair of rail portions, so that the drawer can be pulled by the elastic restoring force of the first elastic member and automatically by the pair of guide rails The front end of the part slides to the back end.

Description

Drawer slide assembly

The present invention relates to a slide rail assembly, and more particularly to a drawer slide assembly that is mounted between a cabinet and a drawer.

The existing drawers installed in the locker can be roughly divided into horizontal and inclined pull-out type. Among them, if the inclined drawer type drawer has stored a certain weight of articles, it may open itself due to gravity factors, causing trouble for the user. In addition, whether the horizontal or tilt-pull drawer is closed after it is fully opened and may need to be closed, it may be difficult to close due to the weight of the stored items. Therefore, the above problems are indeed problems that a person skilled in the art would like to solve.

The present invention provides a drawer slide assembly whose drawer can be automatically pulled by the front end of the rail portion to the rear end by being pulled by the elastic restoring force of the first elastic member.

The drawer slide assembly provided by the invention comprises a cabinet, a drawer and a first elastic member. The cabinet has a pair of connecting portions and a pair of rail portions, and the pair of rail portions are respectively connected to the pair of connecting portions. The drawer is slidably disposed between the pair of rail portions, and the drawer is provided with a penetrating portion on the bottom side. The first elastic member extends through the through portion, and the opposite ends of the first elastic member are respectively connected to the pair of rail portions.

In an embodiment of the invention, the first elastic member is an elastic rope, and the opposite ends of the first elastic member are detachably coupled to the pair of rail portions by fasteners, respectively.

In an embodiment of the invention, the pair of rail portions form an angle of less than 90 degrees with the pair of connecting portions, respectively.

In an embodiment of the present invention, the drawer slide assembly further includes a positioning device disposed between the cabinet and the drawer, the positioning device includes a pivoting member and a first stopper, and the pivoting member is pivotally connected to the bottom side of the drawer. The first stopper is disposed inside one of the pair of rail portions and selectively blocks the pivoting member.

In an embodiment of the invention, the positioning device further includes a second stop disposed on an inner side of one of the pair of rail portions and selectively blocking the pivoting member, and the second blocking member and the first blocking member The stops are located on the inside of the same rail portion and are separated by a distance.

In an embodiment of the invention, the drawer is slidably disposed between the pair of rail portions in the sliding direction. Each of the rail portions has a rear end and a front end that is different from the rear end, and the rear ends of the pair of rail portions are detachably connected to the pair of connecting portions, respectively. The opposite ends of the first stopper have a decreasing thickness from the rear end to the front end in the sliding direction to form a first guiding surface. The opposite ends of the second stopper have an increasing thickness from the rear end to the front end in the sliding direction to form a second guiding surface.

In an embodiment of the invention, the first stopper has a first stopping surface adjacent to a rear end of the rail portion provided with the first stopper and the second stopper, and the first blocking surface is connected to the first guiding surface And forming an angle of less than 90 degrees between the first stop surface and the first guiding surface. The second stopper has a second stopping surface adjacent to the front end of the rail portion provided with the first stopper and the second stopper, the second stopping surface is connected to the second guiding surface, and the second stopping surface is opposite to the second An angle of less than 90 degrees is formed between the guiding surfaces, and the first blocking surface and the second stopping surface selectively block the pivoting member.

In an embodiment of the invention, the pivoting member has an operating end, a stopping end different from the operating end, and a pivoting portion between the operating end and the stopping end. The operating end is adapted to be biased by the user to pivot the pivoting member relative to the drawer. The stop end selectively blocks the first stop face of the first stop or the second stop face of the second stop. The pivoting portion is pivotally connected to one of the two sides of the drawer.

In an embodiment of the invention, the positioning device further includes a second elastic member disposed between the rear side of the drawer and the blocking end of the pivoting member, and the second elastic member is pivoted relative to the drawer with the pivoting member Stretch and stretch.

In an embodiment of the invention, the second elastic member is a tension spring.

Based on the above, the drawer slide assembly of the above embodiment of the present invention automatically pulls the drawer from the front end of the rail portion to the rear end by pulling the drawer by the elastic restoring force of the first elastic member. In addition, by the arrangement of the first elastic member and the positioning device, the drawer can be selectively opened or closed relative to the rail portion, and can be changed between the first blocking position and the second blocking position via the positioning device, so that the drawer can Selectively maintained in an on or off state.

The above described features and advantages of the invention will be apparent from the following description.

1 and 2 are schematic views showing the appearance of a drawer slide assembly according to an embodiment of the present invention. Figure 3 is a schematic exploded view of the drawer slide assembly of Figures 1 and 2. Referring to FIGS. 1 to 3 , the drawer slide assembly of the present embodiment includes a cabinet 10 , a drawer 20 , a first elastic member 30 , and a positioning device 40 . The drawer 20 is slidably disposed on the cabinet 10 and can stretch the first elastic member 30. The positioning device 40 is disposed between the cabinet 10 and the drawer 20 and can be between the first stop position and the second stop position. The change is made to control whether the drawer 20 can slide relative to the cabinet 10.

The cabinet 10 can be a bracket made of metal or plastic. The cabinet 10 has a pair of connecting portions 11 and a pair of rail portions 12. Each of the rail portions 12 has a rear end 121 and a front end 122 different from the rear end 121. The rear end 121 of the pair of rail portions 12 are detachably or integrally connected to the pair of connecting portions 11, respectively, and the pair of guide rails The portion 12 forms an angle of less than 90 degrees with the pair of connecting portions 11, respectively, so that the drawer 20 can slide relative to the cabinet 10 in a tilting manner.

The drawer 20 is slidably disposed between the pair of rail portions 12 in a sliding direction SD (shown in FIG. 6). It will be appreciated that the two sides of the drawer 20 can be provided with any known structure to cooperate with the pair of rail portions 12 and thus adapted to move relative to the pair of rail portions 12. The drawer 20 is provided with a through portion 21 on the bottom side thereof and an opening 22 on the top side thereof. The opening 22 is adapted to allow the user to directly access the articles in the drawer 20.

The first elastic member 30 extends through the through portion 21 of the drawer 20 , and the opposite ends of the first elastic member 30 are respectively connected to the pair of rail portions 12 of the cabinet 10 . In this embodiment, the first elastic member 30 can be an elastic rope, and the opposite ends of the first elastic member 30 can be detachably coupled to the pair of rail portions 12 by a fastener 31, respectively.

The positioning device 40 includes a pivoting member 41 , at least one first blocking block 42 , at least one second blocking block 43 , and at least one second elastic member 44 . The pivoting member 41 is pivotally connected to the bottom side of the drawer 20, and the first stopper 42 and the second stopper 43 are disposed on the inner side of the same rail portion 12 and separated by a distance. The first stopper 42 and the second stopper 43 respectively The stop position and the second stop position selectively block the pivot member 41.

The first stopper 42 has a first blocking surface 421 adjacent to the rear end 121 of the rail portion 12 provided with the first stopper 42 and the second stopper 43 , and the opposite ends of the first stopper 42 slide along the opposite ends The direction SD has a decreasing thickness from the rear end 121 to the front end 122 to form a first guiding surface 422. The first stopping surface 421 is connected to the first guiding surface 422, and the first stopping surface 421 and the first guiding surface An angle of less than 90 degrees is formed between the faces 422.

The second stopper 43 has a second stopping surface 431 adjacent to the front end 122 of the rail portion 12 provided with the first stopper 42 and the second stopper 43 , and the opposite ends of the second stopper 43 are in the sliding direction The SD has a gradually increasing thickness from the rear end 121 to the front end 122 to form a second guiding surface 432, the second stopping surface 431 is connected to the second guiding surface 432, and the second stopping surface 431 and the second guiding surface An angle of less than 90 degrees is formed between the faces 432. The first stop surface 421 and the second stop surface 431 selectively block the pivoting member 41 at the first stop position and the second stop position, respectively.

In addition, the first stopper 42 and the second stopper 43 can also be disposed on the other rail portion 12, that is, each rail portion 12 can be provided with a first stopper 42 and a second stopper 43 which are spaced apart from each other.

The pivoting member 41 has an operating end 411, a stopping end 412 different from the operating end 411, and at least one pivoting portion 413 between the operating end 411 and the stopping end 412. The operating end 411 is adapted to be biased by a user to pivot the pivoting member 41 relative to the drawer 20 to cause the positioning device 40 to transition between the first stop position and the second stop position. The stop end 412 selectively blocks the first stop surface 421 of the first stop 42 or the second stop surface 431 of the second stop 43 in the first stop position and the second stop position. The pivoting portion 413 is pivotally connected to one of the two sides of the drawer 20 and adjacent to the bottom side of the drawer 20 . In this embodiment, the pivoting member 41 can have two pivoting portions 413 pivoted on opposite sides of the drawer 20 respectively.

The second elastic member 44 is disposed between the rear side of the drawer 20 and the blocking end 412 of the pivoting member 41, and the second elastic member 44 is stretched with the pivoting member 41 pivoted relative to the drawer 20. In this embodiment, the second elastic member 44 is a tension spring, and the positioning device 40 can have two second elastic members 44 disposed between the rear side of the drawer 20 and the blocking end 412 of the pivoting member 41, respectively. Adjacent to the sides of the drawer 20, respectively.

4 to 7 are schematic views showing the use of the drawer slide assembly shown in Figs. 1 and 2. Referring to FIG. 4 , the positioning device 40 shown in FIG. 4 is located at the first blocking position, and the stopping end 412 of the pivoting member 41 is blocked from the first blocking surface 421 of the first block 42 , and the first elastic member 30 . Both the second elastic member 44 and the second elastic member 44 are in a natural state, that is, an unstretched state. At this time, the drawer 20 cannot be slid with respect to the rail portion 12, that is, the drawer 20 is kept in the closed state.

Referring to FIG. 5, the user can apply a force to the operating end 411 of the pivoting member 41 along a biasing direction FD. The pivoting member 41 pivots relative to the drawer 20 to disengage the blocking end 412 of the pivoting member 41 from the first stop. The first stop surface 421 of the 42 and the second elastic member 44 are stretched by the pivoting member 41.

Referring to FIG. 6 , when the stopping end 412 of the pivoting member 41 is disengaged from the first stopping surface 421 of the first stopper 42 , the drawer 20 can be slid from the rear end 121 of the rail portion 12 to the front end 122 in the sliding direction SD and The first guiding surface 422 of the first stopper 42 is passed, and the first elastic member 30 is pulled by the insertion portion 21 of the drawer 20 to be stretched.

Referring to FIG. 7, when the drawer 20 is slid in the sliding direction SD to the front end 122 of the rail portion 12, the user can apply the operating end 411 of the pivoting member 41, and the pivoting member 41 pivots relative to the drawer 20 to make the stopping end. The 412 passes over the second guiding surface 432 of the second block 43 and blocks the second blocking surface 431 . At this time, the positioning device 40 is located at the second blocking position to maintain the drawer 20 in the open state, and is not changed from the open state to the closed state due to the elastic recovery of the first elastic member 30.

Therefore, it can be understood that when the positioning device 40 is in the second blocking position, the user can apply the force to the operating end 411 of the pivoting member 41 again, and the pivoting member 41 pivots relative to the drawer 20 to disengage the blocking end 412 from the second gear. The stop surface 431 is pulled by the elastic restoring force of the first elastic member 30 to automatically slide from the front end 122 of the rail portion 12 to the rear end 121, and is guided by the first guiding surface 422 to pivot the hinge member 41. The stop end 412 is again blocked from the first stop surface 421 of the first stop 42 to cause the positioning device 40 to shift to the first stop position.

In summary, the drawer slide assembly of the present embodiment pulls the drawer 20 by the elastic restoring force of the first elastic member 30, and the drawer 20 is automatically slid by the front end 122 of the rail portion 12 to the rear end 121. In addition, by the arrangement of the first elastic member 30 and the positioning device 40, the drawer 20 can be selectively opened or closed relative to the rail portion 12, and between the first blocking position and the second blocking position via the positioning device 40. The shifting allows the drawer 20 to be selectively maintained in an open or closed state.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

10‧‧‧ cabinet

11‧‧‧Connecting Department

12‧‧‧Track Department

121‧‧‧ Backend

122‧‧‧ front end

20‧‧‧Drawers

21‧‧‧ Department of Wear

22‧‧‧ openings

30‧‧‧First elastic parts

31‧‧‧ fasteners

40‧‧‧ Positioning device

41‧‧‧ pivoting pieces

411‧‧‧Operator

412‧‧‧stop end

413‧‧‧ pivotal department

42‧‧‧First stop

421‧‧‧First stop surface

422‧‧‧First guiding surface

43‧‧‧second stop

431‧‧‧second stop surface

432‧‧‧second guiding surface

44‧‧‧Second elastic parts

SD‧‧‧ sliding direction

1 and 2 are schematic views showing the appearance of a drawer slide assembly according to an embodiment of the present invention. Figure 3 is a schematic exploded view of the drawer slide assembly of Figures 1 and 2. 4 to 7 are schematic views showing the use of the drawer slide assembly shown in Figs. 1 and 2.

Claims (9)

A drawer slide assembly comprising: a cabinet having a pair of connecting portions and a pair of rail portions, the pair of rail portions being respectively connected to the pair of connecting portions; a drawer slidably disposed on the drawer Between the pair of rail portions, the drawer is provided with a through portion on the bottom side; and a first elastic member, the first elastic member extends through the through portion, wherein the first elastic member is an elastic rope, and the first elastic member is an elastic rope The opposite ends of the first elastic member are detachably coupled to the pair of rail portions by a fastener, respectively. A drawer slide assembly comprising: a cabinet having a pair of connecting portions and a pair of rail portions, the pair of rail portions being respectively connected to the pair of connecting portions, wherein the pair of rail portions are respectively connected to the pair Forming an angle of less than 90 degrees between the portions; a drawer slidably disposed between the pair of rail portions, the drawer is provided with a through portion on the bottom side; and a first elastic member, the first elastic portion The member extends through the through portion, and the opposite ends of the first elastic member are respectively connected to the pair of rail portions. A drawer slide assembly comprising: a cabinet having a pair of connecting portions and a pair of rail portions, the pair of rail portions being respectively connected to the pair of connecting portions; a drawer slidably disposed on the drawer Between the pair of rail portions, the drawer is provided with a through portion on the bottom side; a first elastic member, the first elastic member extends through the through portion, and the opposite ends of the first elastic member are respectively connected To the pair of rail portions; a positioning device is disposed between the cabinet and the drawer, the positioning device includes a pivoting member and at least one first blocking block, the pivoting member is pivotally connected to the bottom side of the drawer, the at least one first A stopper is disposed inside one of the pair of rail portions and selectively blocks the pivoting member. The drawer slide assembly of claim 3, wherein the positioning device further comprises at least one second stopper, the at least one second stopper being disposed inside the one of the pair of rail portions and selectively The pivoting member is blocked, and the at least one second blocking block and the at least one first blocking block are located on the inner side of the same rail portion and separated by a distance. The drawer slide assembly of claim 4, wherein the drawer is slidably disposed between the pair of rail portions in a sliding direction, the rail portion having a rear end different from the one a front end of the rear end, the rear end of the pair of rail portions are respectively detachably connected to the pair of connecting portions, and the opposite ends of the at least one first blocking block have a decreasing thickness from the rear end to the front end along the sliding direction And forming a first guiding surface, wherein the different ends of the at least one second blocking block have an increasing thickness from the rear end to the front end along the sliding direction to form a second guiding surface. The drawer slide assembly of claim 5, wherein the at least one first block has a rear end adjacent to a rail portion provided with the at least one first block and the at least one second block. a first stop surface, the first stop surface is connected to the first guiding surface, and an angle between the first stop surface and the first guiding surface is less than 90 degrees, and the at least one second The stopper has a second stopping surface adjacent to the front end of the rail portion provided with the at least one first blocking block and the at least one second blocking block, the second blocking surface is connected to the second guiding surface, and the second blocking surface is connected to the second guiding surface An angle between the second stop surface and the second guide surface is less than 90 degrees, and the first stop surface and the second stop surface selectively block the pivoting member. The drawer slide assembly of claim 6, wherein the pivoting member has an operating end, a stopping end different from the operating end, and at least one between the operating end and the stopping end. a pivoting portion adapted to be biased by a user to pivot the pivoting member relative to the drawer, the stopping The end selectively blocking the first stop surface of the at least one first block or the second stop surface of the at least one second block, the at least one pivoting portion being pivotally connected to the two sides of the drawer one. The drawer slide assembly of claim 7, wherein the positioning device further comprises at least one second elastic member, the at least one second elastic member being disposed on the rear side of the drawer and the pivoting member Between the ends, and the at least one second elastic member is stretched with the pivoting member pivoted relative to the drawer. The drawer slide assembly of claim 8, wherein the at least one second elastic member is a tension spring.