CN212489160U

CN212489160U - Hidden rail buffer

Info

Publication number: CN212489160U
Application number: CN202020286879.1U
Authority: CN
Inventors: 戚志; 李建周
Original assignee: Guangdong Jusen Hardware Precision Manufacturing Co ltd
Current assignee: Guangdong Jusen Precision Technology Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2021-02-09
Anticipated expiration: 2030-03-10

Abstract

A hidden-rail buffer, comprising: the device comprises a bottom plate, wherein a guide rail parallel to the bottom plate and a reset rail extending to the side of the bottom plate are arranged on the bottom plate, the reset rail and the guide rail are distributed in an L shape, and the reset rail and the guide rail are in transition connection through an arc rail; the front end of the connecting block is hinged with a hanging buckle block, and the hanging buckle block is positioned on the reset rail and the guide rail to slide; the hanging buckle block is further provided with an anti-disengaging hook, the left side of the anti-disengaging hook is connected with the hanging buckle block, the right side and the upper and lower sides of the anti-disengaging hook are arranged in a hanging mode, the anti-disengaging hook is arranged in an inclined mode with the height from left to right, the left side face of the anti-disengaging hook is an inclined face, and a positioning platform is arranged on the top end of the inclined face in a downward concave mode. The utility model has the advantages that: the front end, the rear end and the middle of the bottom plate of the buffer are provided with clamping parts, and the hanging hooks on the guide rails are buckled in the clamping parts to fix the buffer and the guide rails into a whole.

Description

Hidden rail buffer

Technical Field

The utility model relates to a hardware fitting specifically is a hide rail buffer.

Background

The sliding rail is designed to realize the relative movement of two adjacent objects, for example, the opening and closing of a furniture drawer are realized by a sliding rail device. Generally used slide rail devices are not provided with buffer devices, the slide rail can freely slide along the rail in two directions, when a certain pulling force is slightly applied to the outside or under the action of gravity of an inclined plane, a drawer can extend out of furniture, so that the drawer is in a very unstable state, the sliding phenomenon can occur due to any slight external change, a user must repeatedly close the drawer, and when the drawer is closed, if the speed is too high or the force is too violent, the user can collide to cause noise and even damage the drawer, and if the speed is too low or the force is not enough, the drawer can not return to the original position, and a gap is reserved. In view of the above situation, chinese patent No. ZL200720057529.2 discloses a "hydraulic resettable slide rail device with hidden rollers", wherein the damping device comprises a resetting slide block, a hydraulic damping piston, a fixed cover plate and a tension spring; one side of the reset sliding block is clamped between a gap formed by the inner rail and the outer rail, and the other side of the reset sliding block is arranged in a fixed cover plate fixed on the inner groove surface of the outer rail in a sliding manner; one end of the fixed cover plate is provided with a reset notch; the reset sliding block clamps a tension spring at one end in the fixed cover plate, and the other end of the tension spring is clamped in a pair of vertical clamping pieces on the inner groove surface of the outer rail; the end of the reset sliding block close to the tension spring is connected with a hydraulic damping piston, and the other end of the hydraulic damping piston is fixed on the inner groove surface of the outer rail. Although the sliding rail device effectively solves the problems, the structures of all components forming the buffer device are loose, the installation is complex and inconvenient, the production efficiency of the sliding rail device is low, the reset sliding block is of an integral structure, when the reset sliding block deflects and is buckled on a reset notch at one end of the fixed cover plate, a piston rod of the hydraulic damping piston in a stretching state can be caused to have a lateral deviation phenomenon, the hydraulic damping piston is easy to leak, and the piston rod is difficult to slide to keep smooth, so that the buffer effect is influenced.

Also, some have filed for patent nos.: 201020657757.1A household drawer buffer slide rail mainly comprises an outer support rail, a slide support block slidably nested on the outer support rail, an inner slide rail slidably nested on the slide support block and capable of sliding relative to the outer support rail, and a buffer device arranged on the outer support rail, wherein the buffer device comprises a connecting seat, a buffer oil cylinder, a reset spring, and a reset slide block connected with a piston rod of the buffer oil cylinder and the reset spring, the reset slide block can be connected with the inner slide rail, and the household drawer buffer slide rail is characterized in that: the buffer oil cylinder, the reset spring and the reset slide block are all arranged on the connecting seat and are directly connected to the outer support rail through the connecting seat. Although the drawer has buffering and automatic resetting functions, after long-term market use, the applicant finds that, along with the abrasion of the related sliding parts and when the drawer receives certain impact force, the resetting sliding block is easy to reset automatically after being not buckled with the movable sliding rail, so that the sliding rail loses the resetting buffering function, if maintenance is needed, the whole drawer needs to be disassembled, and general consumers cannot maintain the drawer by themselves, so that the drawer needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming that prior art exists, provide a simple structure, convenient to use effectively guarantees joint strength between buffer and guide rail, can hang a hidden rail buffer that detains with the hanging needle again after hanging the unexpected restoration of knot piece.

The utility model discloses the purpose is realized with following mode: a hidden-rail buffer, comprising: the device comprises a bottom plate, wherein a guide rail parallel to the bottom plate and a reset rail extending to the side of the bottom plate are arranged on the bottom plate, the reset rail and the guide rail are distributed in an L shape, and the reset rail and the guide rail are in transition connection through an arc rail;

the front end of the connecting block is hinged with a hanging buckle block, and the hanging buckle block is positioned on the reset rail and the guide rail to slide;

hang and detain the piece on be provided with the guide way, the guide way buckle slides on rail and the guide way resets, hang the knot piece up end and still be provided with and hang the catching groove and hang the knot with establishing the peg on the guide rail and separate, realize the effect that the drive guide rail closed, hang and detain the piece on still be provided with the mousing-hook, the mousing-hook left side is connected with hanging the knot piece, its right side and the unsettled setting in both sides about and, the mousing-hook is the slope form setting of high left side low right side, its left surface is the inclined plane to the top undercut on its inclined plane is provided with the location platform.

The front end, the rear end and the middle of the bottom plate are provided with clamping parts, and the hanging hooks on the guide rails are buckled in the clamping parts to fix the buffer and the guide rails into a whole.

The hanging buckle groove is a U-shaped groove with an opening at the lower end, and the hanging buckle block is hung and buckled with the hanging needle through the hanging buckle groove and separated when swinging.

The guide rail is provided with a clearance groove which penetrates through the end face of the guide rail, and the tail of the hanging buckle block swings into the clearance groove when the hanging buckle block deflects.

The surface of the hanging buckle block is provided with a first stop block and a second stop block upwards in a protruding mode, and the hanging buckle groove is formed between the two stop blocks.

The surfaces of the first stop block and the second stop block are covered with mute rubber sleeves.

The utility model has the advantages that: 1. simple structure, low production cost and improved market competitiveness. 2. The front end, the rear end and the middle of the bottom plate of the buffer are provided with clamping parts, and the hanging hooks on the guide rails are buckled in the clamping parts to fix the buffer and the guide rails into a whole. Through the three-point type positioning, the connection strength between the buffer and the guide rail can be effectively ensured, and the long-term stable work of the buffer can be ensured. 3. After the hanging buckle block is reset accidentally, the sliding rail is pushed again, the anti-disengaging hook is extruded by the hanging needle on the sliding rail, elastic deformation is generated, and the hanging buckle block is hung with the hanging needle again without detaching the guide rail and then maintaining. 4. The guide rail is provided with a clearance groove which penetrates through the end face of the guide rail, and the tail of the hanging buckle block swings into the clearance groove when the hanging buckle block deflects. The arrangement of the clearance groove can increase the deflection angle of the hanging buckle block, so that the hanging buckle block and the reset rail are more stable after being hung and buckled, and the reset rail is not easy to reset accidentally.

Drawings

Fig. 1 and 2 are the use effect diagrams of the utility model assembled with the guide rail.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a partial structural sectional view of the present invention.

Fig. 5 is a schematic diagram of the structure of the middle sole plate of the present invention.

Fig. 6 is a schematic view of the structure of the middle hanging fastener of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. A hidden-rail buffer, comprising: the device comprises a bottom plate 1, wherein a guide rail 2 parallel to the bottom plate 1 and a reset rail 3 extending to the side of the bottom plate 1 are arranged on the bottom plate 1, the reset rail 3 and the guide rail 2 are distributed in an L shape, and the reset rail 3 and the guide rail 2 are in transition connection through an arc rail 4;

the guide rail 2 is provided with a connecting block 5 in a front-back sliding manner, the rear end of the connecting block 5 is connected with the bottom plate 1 through a buffer cylinder and a reset tension spring, the front end of the connecting block 5 is hinged with a hanging and buckling block 6, and the hanging and buckling block 6 is positioned on the reset rail 3 and the guide rail 2 to slide;

hang the knot piece 6 on be provided with the guide way, the guide way buckle slides on rail 3 and guided way 2 resets, hang knot piece 6 up end and still be provided with and hang catching groove 61 and establish hanging needle 8 on guide rail 7 and hang knot and separation, realize the effect that the drive guide rail closed, hang knot piece 6 on still be provided with mousing-hook 62, mousing-hook 62 left side with hang knot piece 6 and be connected, the unsettled setting in its right side and upper and lower both sides, mousing-hook 62 is the slope form setting of height about, its left surface is inclined plane 63 to the top undercut on its inclined plane 63 is provided with location platform 64.

The front end, the rear end and the middle of the bottom plate 1 are respectively provided with a buckling part 81, and the hook 71 positioned on the guide rail 7 is hung and buckled in the buckling parts 81 to fix the buffer and the guide rail into a whole.

The hanging buckle groove 61 is a U-shaped groove with an opening at the lower end, and the hanging buckle block 6 is hung, buckled and separated from the hanging needle 8 through the hanging buckle groove 61 when swinging.

The guide rail 2 is provided with a clearance groove 9, the clearance groove 9 penetrates through the end face of the guide rail, and the tail of the hanging buckle block 6 swings into the clearance groove 9 when deflecting.

The surface of the hanging buckle block 6 is provided with a first stop block 65 and a second stop block 66 in an upward protruding mode, and the hanging buckle groove 61 is arranged between the two stop blocks.

The surfaces of the first block 65, the second block 66 and the hanging buckle groove 61 are coated with mute rubber sleeves 67. When the hanging needle is hung with this string knot piece and detains, the hanging needle will certainly collide with first dog 65, second dog 66 and string knot groove 61, and the silence cover that its surface set up can play the absorbing effect of silence, then makes this buffer work more stable silence, then can alleviate the wearing and tearing to hanging the knot piece, prolongs its life.

The working principle is as follows: as shown in fig. 3, during normal use, the hanging needle on the guide rail is hung and buckled in the hanging and buckling groove 61 of the hanging and buckling block 6, and the guide rail is pulled to be closed, or when the guide rail is opened, the hanging and buckling block 6 is pulled to enter the reset rail 3 from the guide rail 2, and the hanging and buckling block 6 deflects when entering the reset rail 3, so that the hanging and buckling groove 61 is separated from the hanging needle, and the guide rail can be continuously opened. When the guide rail is closed, the guide rail pushes the hanging needle to collide with the hanging buckle block 6, the hanging buckle block 6 is driven to reset and is buckled with the hanging needle from a new hanging way, and the hanging buckle block 6 pulls the guide rail to be slowly closed under the action of the reset tension spring and the buffer, so that the reset buffering effect when the guide rail is closed is realized.

When the guide rail is opened and is subjected to severe vibration or impact, the hanging and buckling block 6 is possibly separated from the reset rail 3 to generate the phenomenon of autonomous reset, so that the guide rail is provided with the clearance groove which penetrates through the end face of the guide rail, and the tail of the hanging and buckling block swings into the clearance groove when the hanging and buckling block deflects. The arrangement of the clearance groove can increase the deflection angle of the hanging buckle block, so that the hanging buckle block and the reset rail are more stable after being hung and buckled, and the reset rail is not easy to reset accidentally.

As shown in fig. 4 and 6, when the hanging buckle block 6 is reset accidentally under a special condition, the user only needs to push and press the slide rail again, and the anti-drop hook is extruded by the hanging needle on the slide rail, so that the hanging buckle block is elastically deformed and is buckled with the hanging needle again, and the guide rail does not need to be repaired after being disassembled. Wherein, it is required to be noted that: anti-disengaging hook 62 left side is connected with hanging knot piece 6 in the present case, the unsettled setting of both sides about its right side reaches, consequently anti-disengaging hook 62 is when using, its atress direction is relative rather than the direction of support, make anti-disengaging hook can atress outwards pull out and hang the knot piece, and need not to carry on spacingly to its free end, when realizing elastic deformation and hanging the needle and hang the knot function, its structure is more simple, so that injection moulding mould's design, processing and later stage's use and maintenance, indirect reduction in production cost, so can extensively use widely.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A hidden-rail buffer, comprising: the device comprises a bottom plate (1), wherein a guide rail (2) parallel to the bottom plate (1) and a reset rail (3) extending to the side of the bottom plate (1) are arranged on the bottom plate (1), the reset rail (3) and the guide rail (2) are distributed in an L shape, and the reset rail (3) and the guide rail (2) are in transitional connection through an arc rail (4);

the guide rail (2) is provided with a connecting block (5) in a front-back sliding manner, the rear end of the connecting block (5) is connected with the bottom plate (1) through a buffer cylinder and a reset tension spring, and the front end of the connecting block (5) is hinged with a hanging buckle block (6);

the anti-disengaging device is characterized in that a guide groove is formed in the hanging and buckling block (6), the guide groove is buckled on the reset rail (3) and the guide rail (2) in a clamping mode and slides, a hanging and buckling groove (61) is further formed in the upper end face of the hanging and buckling block (6) and is buckled and separated with a hanging needle (8) arranged on the guide rail (7), the effect of driving the guide rail to be closed is achieved, an anti-disengaging hook (62) is further arranged on the hanging and buckling block (6), the left side of the anti-disengaging hook (62) is connected with the hanging and buckling block (6), the right side and the upper side and the lower side of the anti-disengaging hook are arranged in a hanging mode, the anti-disengaging hook (62) is arranged in an inclined mode with the left side higher than the right side, the left side of the anti-disengaging hook; the front end, the rear end and the middle of the bottom plate (1) are respectively provided with a buckling part (81), and a hook (71) positioned on the guide rail (7) is hung and buckled in the buckling parts (81) to fix the buffer and the guide rail into a whole.

2. The hidden track buffer of claim 1, wherein: the hanging buckle groove (61) is a U-shaped groove with an opening at the lower end, and the hanging buckle block (6) is hung, buckled and separated from the hanging needle (8) through the hanging buckle groove (61) when swinging.

3. The hidden track buffer of claim 1, wherein: the guide rail (2) is provided with a clearance groove (9), the clearance groove (9) penetrates through the end face of the guide rail, and the tail of the hanging buckle block (6) swings into the clearance groove (9) when deflecting.

4. The hidden track buffer of claim 1, wherein: the surface of the hanging buckle block (6) is provided with a first stop block (65) and a second stop block (66) in an upward protruding mode, and the hanging buckle groove (61) is arranged between the two stop blocks.

5. The hidden track buffer of claim 4, wherein: the surfaces of the first stop block (65), the second stop block (66) and the hanging buckle groove (61) are coated with mute rubber sleeves (67).