CN114041681B

CN114041681B - Roller support bottom full-pull-out drawer slide rail

Info

Publication number: CN114041681B
Application number: CN202111208402.7A
Authority: CN
Inventors: 李奕谋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2023-03-07
Anticipated expiration: 2041-10-18
Also published as: CN114041681A

Abstract

The invention relates to the technical field of hardware accessories, and particularly discloses a roller support bottom full-pull-out drawer slide rail which comprises a moving roller component, a guide rail component and a buffer component, wherein the moving roller component comprises a roller wheel bracket, a roller wheel group and a side guide wheel group, the roller wheel bracket is provided with a longitudinal wheel groove and a transverse wheel groove, the roller wheel group is rotatably arranged in the longitudinal wheel groove, and the side guide wheel group is rotatably arranged in the transverse wheel groove; the guide rail assembly comprises a fixed rail and a sliding rail, the fixed rail is provided with a sliding chute, the roller wheel bracket is arranged in the sliding chute in a sliding manner through a roller wheel set and a side guide wheel set, and the roller wheel set and the side guide wheel set are both connected with the sliding rail in a sliding manner; buffering subassembly includes buffer gear and joint spare, and buffer gear establishes on the sliding rail, and the joint spare is established on fixed rail, joint spare and buffer gear activity joint, makes the drawer push-and-pull smooth-going, stable, and the noiselessness has improved the bearing capacity of drawer, and the control drawer pull-out dynamics of being convenient for avoids the drawer to drop, and the security is high.

Description

Roller support bottom full-pull-out drawer slide rail

Technical Field

The invention relates to the technical field of hardware accessories, in particular to a roller support bottom full-pull-out drawer slide rail.

Background

The sliding rails are hardware connecting parts commonly used in drawers of furniture, household appliances, cabinets and the like, and the drawers with different sizes can be smoothly pushed and pulled to take and place articles through the sliding rails arranged on the two sides of the drawers or at the bottoms of the drawers. The cooperation of the wheeled drawer slide rail of tradition is loose, and the push-and-pull is swayd, poor stability, and the noise is big, and the drawer when pulling out entirely, does not have the buffering, in case hold not good dynamics or the article overweight in the drawer, the drawer drops easily, causes the potential safety hazard.

Disclosure of Invention

The invention mainly aims to provide a roller support bottom full-pull-out drawer slide rail, which solves the problems of loose matching, sliding and swinging, poor stability, high noise and low safety of the drawer slide rail in the prior art.

To achieve the above object, the present invention provides a roller mount full pull-out drawer slide, comprising:

the roller wheel assembly comprises a roller wheel bracket, a roller wheel set and a side guide wheel set, wherein the roller wheel bracket is provided with a longitudinal wheel groove and a transverse wheel groove, the roller wheel set is rotatably arranged in the longitudinal wheel groove, and the side guide wheel set is rotatably arranged in the transverse wheel groove;

the guide rail assembly comprises a fixed rail and a sliding rail, the fixed rail is provided with a first sliding groove, the roller wheel bracket is arranged in the first sliding groove in a sliding manner through a roller wheel set and a side guide wheel set, and the roller wheel set and the side guide wheel set are both connected with the sliding rail in a sliding manner;

the buffer assembly comprises a buffer mechanism and a clamping piece, the buffer mechanism is arranged on the sliding rail, the clamping piece is arranged on the fixed rail, and the clamping piece is movably clamped with the buffer mechanism.

Preferably, the roller wheel group includes an upper roller wheel and a lower roller wheel, the longitudinal wheel groove includes an upper longitudinal groove and a lower longitudinal groove, the upper roller wheel and the lower roller wheel are respectively rotatably disposed in the upper longitudinal groove and the lower longitudinal groove, the side guide wheel group includes a side guide wheel a and a side guide wheel B, the lateral wheel groove includes an upper lateral groove and a lower lateral groove, and the side guide wheel a and the side guide wheel B are respectively rotatably disposed in the upper lateral groove and the lower lateral groove.

Preferably, an engagement opening is formed between the upper longitudinal groove and the lower longitudinal groove of the roller wheel bracket, the sliding rail is provided with a first sliding connection part and a second sliding connection part, the first sliding connection part is located in the engagement opening and is arranged between the upper roller wheel and the lower roller wheel in a sliding mode, and the second sliding connection part abuts against the side guide wheel a.

Preferably, the bottom surface of the connecting opening is provided with a positioning sliding groove, the first sliding connection part comprises a longitudinal plate and a transverse plate, the longitudinal plate of the first sliding connection part is in sliding connection in the positioning sliding groove and is abutted against the side guide wheel B, and the transverse plate of the first sliding connection part is in sliding connection between the upper roller wheel and the lower roller wheel.

Preferably, the cross-section of the first sliding chute is C-shaped, the bottom surface of the first sliding chute is provided with an adjusting through hole and a mounting through hole, and the adjusting through hole is a strip-shaped hole.

Preferably, the end of the first sliding chute is provided with a disengagement preventing piece.

Preferably, anticreep piece includes joint portion and spacing portion one, joint portion is arranged in spout one, and it is protruding to be equipped with first elasticity card and second elasticity card in the joint portion, be equipped with the draw-in groove that corresponds with first elasticity card is protruding in the spout one, spacing portion is first to be equipped with the direction mouth that leads to the second elasticity card is protruding, the movable rail is equipped with the third elasticity card protruding with the protruding looks joint of second elasticity card.

Preferably, buffer gear includes support, setting element and buffer spring, the support mounting has seted up spout two and spring groove on the slide rail on the support, and the bottom of spout two communicates with the bottom in spring groove, buffer spring sets up in spring groove, and spring groove's notch is equipped with the closing cap, the setting element passes through buffer spring and removes the setting in spout two, it is protruding to be equipped with location mouth and location on the setting element, joint spare and location mouth activity joint, spout two is equipped with and is used for linking up the bellied scarf in location.

Preferably, the bracket is provided with a fixing groove communicated with the second sliding groove, an oil cylinder is arranged in the fixing groove, and the positioning piece is provided with a connecting hole connected with an output shaft of the oil cylinder.

Preferably, be equipped with rotatable fork of pulling on the fixed rail, the fork of pulling out includes stirring portion and spacing portion two, stirring portion is used for rotating the fork of pulling out, spacing portion two butt in joint spare.

Has the beneficial effects that:

1. the movable roller assembly is arranged between the fixed rail and the sliding rail, so that the drawer can be smoothly and stably pushed and pulled under the action of upper and lower support and left and right guide of the movable roller assembly, no noise exists, the bearing capacity of the drawer is greatly improved, the drawer pulling-out force is conveniently controlled by matching the buffer mechanism with the clamping assembly, the drawer is prevented from falling off, the use safety is greatly improved, the integral structure is simple, the matching is compact, and the use and the operation are convenient;

2. the anti-falling part is arranged at the end part of the sliding chute, so that the drawer is pulled out and locked completely, the drawer is prevented from falling off, and the use safety is further improved;

3. under the limiting action through shifting the fork, come off when effectively having avoided the drawer to pull out fast, simple structure, it is convenient to install, and the operation is simple and easy.

Drawings

FIG. 1 is an exploded view of the present roller cradle fully extended drawer slide;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partially enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

FIG. 5 is a cross-sectional view of an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a moving roller assembly according to an embodiment of the present invention;

FIG. 7 is a schematic view of the construction of the separation preventing member in the embodiment of the present invention;

FIG. 8 is a view of the roller cradle fully extended drawer slide with a partial structural assembly;

FIG. 9 is a partially exploded view of the roller carrier fully extended drawer slide;

FIG. 10 is a schematic structural view of a stent in an embodiment of the present invention;

FIG. 11 is a schematic view of a positioning element according to an embodiment of the present disclosure;

FIG. 12 is a schematic structural diagram of a shift fork according to an embodiment of the present invention.

The reference numbers illustrate: 1-a moving roller component, 2-a guide rail component, 3-a buffering component, 4-an anti-falling component, 11-a roller wheel bracket, 12-a roller wheel group, 13-a side guide wheel group, 21-a fixed rail, 22-a sliding rail, 31-a buffering mechanism, 32-a clamping component, 41-a clamping part, 42-a limiting part I, 111-a longitudinal wheel groove, 112-a transverse wheel groove, 113-an engagement opening, 114-a positioning sliding groove, 121-an upper roller wheel, 122-a lower roller wheel, 131-a side guide wheel A, 132-a side guide wheel B, 211-a sliding groove I, 221-a first sliding part, 222-a second sliding part, 223-a third elastic clamping convex part and 311-a bracket, 312-a positioning piece, 313-a buffer spring, 314-a sealing cover, 315-an oil cylinder, 316-a shifting fork, 411-a first elastic clamping protrusion, 412-a second elastic clamping protrusion, 421-a guide opening, 422-a sliding rail opening, 1111-an upper longitudinal groove, 1112-a lower longitudinal groove, 1121-an upper transverse groove, 1122-a lower transverse groove, 2111-an adjusting through hole, 2112-an installation through hole, 2113-a clamping groove, 2211-a longitudinal plate, 2212-a transverse plate, 3111-a sliding groove II, 3112-a spring groove, 3113-a chamfered groove, 3114-a fixing groove, 3121-a positioning opening, 3122-a positioning protrusion, 3123-a connecting hole, 3161-a shifting part and 3162-a limiting part II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that if the description of "first", "second", etc. is provided in the embodiment of the present invention, the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Examples

Referring to fig. 1 to 12, the present embodiment provides a roller-supported fully-drawn drawer slide, including a moving roller assembly 1, a guide rail assembly 2 and a buffer assembly 3, where the moving roller assembly 1 includes a roller wheel bracket 11, a roller wheel set 12 and a lateral guide wheel set 13, the roller wheel bracket 11 is provided with a longitudinal wheel groove 111 and a lateral wheel groove 112, the roller wheel set 12 is rotatably disposed in the longitudinal wheel groove 111, and the lateral guide wheel set 13 is rotatably disposed in the lateral wheel groove 112; the guide rail assembly 2 comprises a fixed rail 21 and a sliding rail 22, the fixed rail 21 is provided with a first sliding groove 211, the roller wheel bracket 11 is arranged in the first sliding groove 211 in a sliding manner through the roller wheel set 12 and the side guide wheel set 13, and the roller wheel set 12 and the side guide wheel set 13 are both connected with the sliding rail 22 in a sliding manner; the buffering component 3 comprises a buffering mechanism 31 and a clamping piece 32, the buffering mechanism 31 is arranged on a sliding rail 22, the clamping piece 32 is arranged on a fixed rail 21, the clamping piece 32 is movably clamped with the buffering mechanism 31, in the actual installation process, two sliding rails 22 are respectively arranged on two side surfaces of the drawer, two fixed rails 21 are respectively arranged on two inner side surfaces of a drawer opening, the drawer is supported up and down and guided left and right by a roller wheel set 12 and a side guide wheel set 13, smooth and stable drawer push-and-pull is realized, no noise is generated, the bearing capacity of the drawer is greatly improved, the clamping piece 32 is matched through the buffering mechanism 31, the drawer pull-out force can be conveniently controlled, the drawer is prevented from falling off, the whole structure is simple, the matching is compact, and the use and the operation are convenient.

As shown in fig. 5, the roller wheel group 12 includes an upper roller wheel 121 and a lower roller wheel 122, the longitudinal wheel groove 111 includes an upper longitudinal groove 1111 and a lower longitudinal groove 1112, the upper roller wheel 121 and the lower roller wheel 122 are respectively rotatably disposed in the upper longitudinal groove 1111 and the lower longitudinal groove 1112, the upper roller wheel 121 and the lower roller wheel 122 respectively function as upper support and lower support, the side guide wheel group 13 includes a side guide wheel a131 and a side guide wheel B132, the transverse wheel groove 112 includes an upper transverse groove 1121 and a lower transverse groove 1122, the side guide wheel a131 and the side guide wheel B132 are respectively rotatably disposed in the upper transverse groove 1121 and the lower transverse groove 1122, and the side guide wheel a131 and the side guide wheel B132 respectively function as left guide and right guide.

As shown in fig. 5 and 6, an engaging opening 113 is formed between the upper longitudinal groove 1111 and the lower longitudinal groove 1112 of the roller wheel support 11, the sliding rail 22 is provided with a first sliding contact portion 221 and a second sliding contact portion 222, the first sliding contact portion 221 is located in the engaging opening 113 and is slidably disposed between the upper roller wheel 121 and the lower roller wheel 122, and the second sliding contact portion 222 abuts against the side guide wheel a131, so that the smoothness and smoothness of the movement of the sliding rail 22 are improved.

As shown in fig. 5 and 6, the positioning sliding groove 114 is disposed on the bottom surface of the engaging opening 113, the first sliding connection portion 221 includes a vertical plate 2211 and a horizontal plate 2212, the vertical plate 2211 of the first sliding connection portion 221 is slidably connected in the positioning sliding groove 114 and abuts against the side guide wheel B132, the horizontal plate 2212 of the first sliding connection portion 221 is slidably connected between the upper roller wheel 121 and the lower roller wheel 122, and the position of the vertical plate 2211 and the horizontal plate 2212 is reasonably arranged, so that convenience in mounting the sliding rail 22 is improved.

Specifically, the cross-section of the first sliding groove 211 is in a shape of a letter "C", the bottom surface of the first sliding groove 211 is provided with an adjusting through hole 2111 and an installing through hole 2112, the adjusting through hole 2111 is a strip-shaped hole, the installing position of the fixed rail 21 is convenient to adjust through the adjusting through hole 2111, and the fixed rail 21 is convenient to position and install through the installing through hole 2112, so that the convenience of installing the fixed rail 21 is greatly improved.

It should be noted that the end of the first sliding groove 211 is provided with the anti-falling part 4, and the drawer is pulled out and locked completely through the anti-falling part 4, so that the drawer is prevented from falling off, and the use safety is further improved.

As shown in fig. 7, the anti-slip part 4 includes a clip part 41 and a first limiting part 42, the clip part 41 is located in a first sliding groove 211, a first elastic clip protrusion 411 and a second elastic clip protrusion 412 are arranged on the clip part 41, a clip groove 2113 corresponding to the first elastic clip protrusion 411 is arranged in the first sliding groove 211, the first elastic clip protrusion 411 is matched with the clip groove 2113, so that convenience in mounting the anti-slip part 4 is improved, durability of the anti-slip part 4 is improved through an elastic effect of the first elastic clip protrusion 411, a guide opening 421 leading to the second elastic clip protrusion 412 is arranged on the first limiting part 42, a slide rail opening 422 is further arranged on the first limiting part 42, the slide rail opening 422 has a guiding and positioning effect on the slide rail 22, the slide rail 22 is provided with a third elastic clip protrusion 223 clamped with the second elastic clip protrusion 412, and the second elastic clip protrusion 412 is matched with the third elastic clip protrusion 223, so that flexibility of conversion between a locking state and a non-locking state of the drawer is improved.

As shown in fig. 9, the buffering mechanism 31 includes a support 311, a positioning element 312 and a buffering spring 313, the support 311 is installed on the sliding rail 22, as shown in fig. 10, a second sliding groove 3111 and a spring groove 3112 are formed on the support 311, the bottom of the second sliding groove 3111 is communicated with the bottom of the spring groove 3112, the buffering spring 313 is disposed in the spring groove 3112, a sealing cover 314 is disposed on a notch of the spring groove 3112, the positioning element 312 is movably disposed in the second sliding groove 3111 through the buffering spring 313, a positioning opening 3121 and a positioning protrusion 3122 are formed on the positioning element 312, the clamping element 32 is movably clamped with the positioning opening 3121, and the second sliding groove 3111 is provided with a bevel notch 3113 for engaging with the positioning protrusion 3122.

Further, as shown in fig. 10, a fixing groove 3114 communicated with the second sliding groove 3111 is disposed on the bracket 311, an oil cylinder 315 is disposed in the fixing groove 3114, a connecting hole 3123 connected with an output shaft of the oil cylinder 315 is disposed on the positioning member 312, and the oil cylinder 315 serves to improve the moving stability of the positioning member 312.

Furthermore, as shown in fig. 8 and 12, the rotatable shift fork 316 disposed on the fixed rail 21 includes a shift portion 3161 and a second limit portion 3162, the shift portion 3161 is used for rotating the shift fork 316, and the second limit portion 3162 abuts against the clip 32.

In the drawer pulling-out process, joint spare 32 drives setting element 312 and removes, when setting element 312 removed the scarf 3113 position, scarf 3113 was drawn into to the front end of setting element 213, joint spare 32 breaks away from locating hole 3121, joint spare 32 is under spacing two 3162 limiting displacement, come off when effectively having avoided the drawer to pull out fast, then rotate downwards stirring portion 3161, remove spacing two 3162 limiting displacement, the drawer can continue to pull out, moreover, the steam generator is simple in structure, convenient and fast in installation, and easy operation.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims

1. A roller cradle full pull-out drawer slide, comprising:

the roller moving mechanism comprises a moving roller assembly (1), wherein the moving roller assembly (1) comprises a roller wheel bracket (11), a roller wheel set (12) and a side guide wheel set (13), a longitudinal wheel groove (111) and a transverse wheel groove (112) are formed in the roller wheel bracket (11), the roller wheel set (12) is rotatably arranged in the longitudinal wheel groove (111), and the side guide wheel set (13) is rotatably arranged in the transverse wheel groove (112);

the guide rail assembly (2) comprises a fixed rail (21) and a sliding rail (22), the fixed rail (21) is provided with a first sliding groove (211), the roller wheel bracket (11) is arranged in the first sliding groove (211) in a sliding mode through a roller wheel set (12) and a side guide wheel set (13), and the roller wheel set (12) and the side guide wheel set (13) are both connected with the sliding rail (22) in a sliding mode;

the roller wheel group (12) comprises an upper roller wheel (121) and a lower roller wheel (122), the longitudinal wheel groove (111) comprises an upper longitudinal groove (1111) and a lower longitudinal groove (1112), the upper roller wheel (121) and the lower roller wheel (122) are respectively and rotatably arranged in the upper longitudinal groove (1111) and the lower longitudinal groove (1112), the side guide wheel group (13) comprises a side guide wheel A (131) and a side guide wheel B (132), the transverse wheel groove (112) comprises an upper transverse groove (1121) and a lower transverse groove (1122), and the side guide wheel A (131) and the side guide wheel B (132) are respectively and rotatably arranged in the upper transverse groove (1121) and the lower transverse groove (1122);

a connecting opening (113) is arranged between an upper longitudinal groove (1111) and a lower longitudinal groove (1112) of the roller wheel bracket (11), the sliding rail (22) is provided with a first sliding connection part (221) and a second sliding connection part (222), the first sliding connection part (221) is positioned in the connecting opening (113) and is arranged between the upper roller wheel (121) and the lower roller wheel (122) in a sliding way, and the second sliding connection part (222) is abutted against the side guide wheel A (131);

a positioning sliding groove (114) is formed in the bottom surface of the connecting opening (113), the first sliding connection part (221) comprises a longitudinal plate (2211) and a transverse plate (2212), the longitudinal plate (2211) of the first sliding connection part (221) is in sliding connection in the positioning sliding groove (114) and is abutted against the side guide wheel B (132), and the transverse plate (2212) of the first sliding connection part (221) is in sliding connection between the upper roller wheel (121) and the lower roller wheel (122);

the buffer assembly (3), the buffer assembly (3) comprises a buffer mechanism (31) and a clamping piece (32), the buffer mechanism (31) is arranged on the sliding rail (22), the clamping piece (32) is arranged on the fixed rail (21), and the clamping piece (32) is movably clamped with the buffer mechanism (31);

the buffer mechanism (31) comprises a support (311), a positioning part (312) and a buffer spring (313), the support (311) is installed on the sliding rail (22), a second sliding groove (3111) and a spring groove (3112) are formed in the support (311), the bottom of the second sliding groove (3111) is communicated with the bottom of the spring groove (3112), the buffer spring (313) is arranged in the spring groove (3112), a sealing cover (314) is arranged on a notch of the spring groove (3112), the positioning part (312) is movably arranged in the second sliding groove (3111) through the buffer spring (313), a positioning opening (3121) and a positioning protrusion (3112) are formed in the positioning part (312), the clamping part (32) is movably clamped with the positioning opening (3121), and the second sliding groove (3111) is provided with a bevel notch (3113) for connecting the positioning protrusion (3122);

a fixing groove (3114) communicated with the second sliding groove (3111) is formed in the support (311), an oil cylinder (315) is arranged in the fixing groove (3114), and a connecting hole (3123) connected with an output shaft of the oil cylinder (315) is formed in the positioning piece (312);

be equipped with rotatable fork (316) of pulling out on fixed rail (21), fork (316) of pulling out includes stirring portion (3161) and spacing portion two (3162), stirring portion (3161) are used for rotating fork (316), spacing portion two (3162) butt in joint spare (32).

2. The roller cradle full pull-out drawer slide according to claim 1, wherein the cross-section of the first sliding groove (211) is "C" shaped, the bottom surface of the first sliding groove (211) is provided with an adjusting through hole (2111) and a mounting through hole (2112), and the adjusting through hole (2111) is a strip-shaped hole.

3. A roller cage full pull drawer slide according to claim 2, characterized by the fact that the end of the first runner (211) is provided with a drop-proof element (4).

4. The roller support bottom full-pull-out drawer slide rail is characterized in that the anti-falling part (4) comprises a first clamping part (41) and a first limiting part (42), the clamping part (41) is located in a first sliding groove (211), a first elastic clamping protrusion (411) and a second elastic clamping protrusion (412) are arranged on the clamping part (41), a clamping groove (2113) corresponding to the first elastic clamping protrusion (411) is arranged in the first sliding groove (211), a guide opening (421) leading to the second elastic clamping protrusion (412) is formed in the first limiting part (42), and a third elastic clamping protrusion (223) clamped with the second elastic clamping protrusion (412) is arranged on the slide rail (22).