CN210249128U

CN210249128U - Synchronizer for pressing rebound drawer guide rail

Info

Publication number: CN210249128U
Application number: CN201822263790.9U
Authority: CN
Inventors: 陈明开
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-31
Filing date: 2018-12-31
Publication date: 2020-04-07
Anticipated expiration: 2028-12-31

Abstract

A synchronizer for pressing rebound drawer guide rails is characterized in that: the anti-bouncing mechanism comprises a base and a rotating hole arranged on the base, wherein a synchronizing shaft is rotatably arranged in the rotating hole, one end of the synchronizing shaft is provided with a driving inclined surface and is connected with the anti-bouncing mechanism, the synchronizing shaft is pushed to rotate by the driving inclined surface when the anti-bouncing mechanism acts, and the synchronizing shafts on a left drawer guide rail and a right drawer guide rail are connected by a connecting shaft. The utility model has the advantages that: 1. simple structure, low production cost and improved market competitiveness. 2. This buffer can realize pressing of guide rail bounce-back and open and automatic buffering closes, is favorable to promoting user's use body and feels. 3. After the guide rail is closed, the drawer has a self-locking function, and the drawer can be prevented from being opened under the condition of non-operation. 4. The left guide rail and the right guide rail are connected through the synchronous mechanism, so that the left guide rail and the right guide rail can be opened in a synchronous rebounding mode, and the clamping stagnation phenomenon caused by the asynchronous rebounding is avoided.

Description

Synchronizer for pressing rebound drawer guide rail

Technical Field

The invention relates to a hardware fitting, in particular to a synchronizing device for pressing a rebound drawer guide rail.

Background

At present, drawer guide rails are installed on the drawers of various desks to slide freely. In order to ensure that the drawer can be tightly attached to the desk after being closed, the desk is neat and beautiful. The method in the prior art adopts a self-closing angle type guide rail with international general design, a section of guide rail which is slightly inclined downwards is arranged at the rear end of a fixed rail, and a front roller of a sliding rail arranged on a drawer automatically slides downwards under the action of dead weight when the front roller travels to the inclined section, so that the drawer is ensured to be completely closed. However, the self-closing angle type guide rail has the following disadvantages: 1. when the roller of the sliding rail is pushed to the lower sliding end, the roller only slides down along an inclined plane with the angle of 3.5 degrees to the lower degree by the self weight of the drawer, the lower sliding is not obvious to close, and the using effect is not ideal; 2. due to the small bending angle, when the drawer is slightly inclined outwards, the drawer can slide out and fall to the ground; 3. due to the structure, when the fixed slide rail is bent, the connection at the bending point cannot be smooth, so that the drawer always has the feeling of going up and down when being pushed and pulled, and the requirement of a user is difficult to meet; 4. because the drawer has no self-locking function, when the desk is moved, the drawer is easy to slide out under the action of the dead weight, so that the desk is inconvenient to move.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a synchronizing device for pressing a rebounding drawer guide rail, which has a simple structure and is convenient to use and can realize synchronous rebounding opening of the rebounding drawer guide rail.

The object of the invention is achieved in the following way: a synchronizer for pressing rebound drawer guide rails is characterized in that: the anti-bouncing mechanism comprises a base and a rotating hole arranged on the base, wherein a synchronizing shaft is rotatably arranged in the rotating hole, one end of the synchronizing shaft is provided with a driving inclined surface and is connected with the anti-bouncing mechanism, the synchronizing shaft is pushed to rotate by the driving inclined surface when the anti-bouncing mechanism acts, and the synchronizing shafts on a left drawer guide rail and a right drawer guide rail are connected by a connecting shaft.

The surface of the synchronizing shaft is provided with a plurality of limiting rings which protrude outwards, and the limiting rings can be rotationally clamped in the positioning rings in the rotating holes to rotate.

The base on still be provided with the boosting groove, install the boosting stick in the boosting groove, be provided with the spring between boosting stick and boosting groove, the spring promotes the motion of boosting stick to the synchronizing shaft direction all the time for the terminal surface low pressure of boosting stick is on the drive platform on synchronizing shaft surface.

The rebound mechanism comprises a second rebound slider and a reset slider which are arranged in the base, the second rebound slider and the reset slider slide on a second guide rail in the base, a second tension spring is arranged between the second rebound slider and the reset slider, and a third tension spring of the buffer cylinder is arranged between the second rebound slider and the base; the reset sliding block is hinged with a first hanging and buckling block which is connected with a hanging and buckling mechanism arranged on the movable rail, the base is provided with a third guide rail, and the first hanging and buckling block is positioned on the third guide rail to slide. A second slide way is further arranged in the second rebounding slide block, a second driving strip is mounted in the second slide way, one end of the second driving strip extends out of the outer end of the second rebounding slide block and can be in contact with the resetting slide block, the other end of the second driving strip is in contact with a resetting hanging block and a driving inclined plane which are hinged to the second rebounding slide block, the resetting hanging block can be driven to deflect and the synchronous shaft can rotate, and therefore the resetting hanging block is in contact with the rebounding driving block arranged on the first rebounding slide block; the second bounce slider on still install the locking and hang the needle, the locking hangs the needle and includes hanging the needle body and locate reference column and the string needle post at its both ends, the reference column is installed and is located the waist type inslot on the second bounce slider, the string piece that resets inner is provided with actuating arm drive reference column and is located waist type inslot and slides, hang the needle post and be located the locking groove and the dropout inslot of base and slide.

And a fourth tension spring is arranged between the second rebounding slide block and the locking hanging needle, and the fourth tension spring always pulls the locking hanging needle towards the direction of the second rebounding slide block.

The invention has the beneficial effects that: 1. simple structure, low production cost and improved market competitiveness. 2. This buffer can realize pressing of guide rail bounce-back and open and automatic buffering closes, is favorable to promoting user's use body and feels. 3. After the guide rail is closed, the drawer has a self-locking function, and the drawer can be prevented from being opened under the condition of non-operation. 4. The left guide rail and the right guide rail are connected through the synchronous mechanism, so that the left guide rail and the right guide rail can be opened in a synchronous rebounding mode, and the clamping stagnation phenomenon caused by the asynchronous rebounding is avoided.

Drawings

Fig. 1 and 2 are schematic views of the closed guide rail of the invention.

Fig. 3 is a connection state diagram of the left and right guide rail synchronizing device according to the present invention.

Fig. 4, 5 and 6 are schematic structural views of the guide rail of the invention after being pressed.

Fig. 7 is an assembly view of a synchronizing shaft structure according to the present invention.

FIG. 8 is an enlarged view of the portion A of FIG. 7 according to the present invention.

Fig. 9 is a schematic view of a structure of a synchronizing shaft according to the present invention.

Fig. 10 is a schematic view of the structure of the locking hanging needle in the invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. A synchronizer for pressing rebound drawer guide rails is characterized in that: the anti-bouncing mechanism comprises a base 41 and a rotating hole 9 arranged on the base, a synchronizing shaft 91 is rotatably arranged in the rotating hole 9, a driving inclined plane 92 is arranged at one end of the synchronizing shaft 91 and connected with the bouncing mechanism, the synchronizing shaft 91 is pushed to rotate by the driving inclined plane 92 when the bouncing mechanism acts, and the synchronizing shafts on a left set of drawer guide rail and a right set of drawer guide rail are connected by a connecting shaft 93.

The surface of the synchronizing shaft 91 is provided with a plurality of outward protruding limit rings 94, and the limit rings 94 can be rotatably clamped in the positioning rings 95 in the rotating hole 9 for rotation.

The base 41 is further provided with a boosting groove 96, a boosting rod 97 is installed in the boosting groove 96, a spring is arranged between the boosting rod and the boosting groove, and the spring pushes the boosting rod to move towards the direction of the synchronizing shaft 91 all the time, so that the end face of the boosting rod 97 is pressed on a driving table 98 on the surface of the synchronizing shaft 91.

The rebounding mechanism comprises a second rebounding slide block 42 and a reset slide block 43 which are arranged in the base 41, the second rebounding slide block 42 and the reset slide block 43 are positioned on a second guide rail 44 in the base 41 to slide, a second tension spring 45 is arranged between the second rebounding slide block 42 and the reset slide block 43, and a third tension spring 46 of a buffer cylinder is arranged between the second rebounding slide block 42 and the base 41; the reset sliding block 43 is hinged with a first hanging and buckling block 47 which is connected with a hanging and buckling mechanism 5 arranged on the movable rail 2, the base 41 is provided with a third guide rail 48, and the first hanging and buckling block 47 is positioned on the third guide rail 48 to slide. A second slide way 49 is further arranged in the second rebounding slide block 42, a second driving strip 491 is arranged in the second slide way 49, one end of the second driving strip 491 extends out of the outer end of the second rebounding slide block 42 and can be contacted with the reset slide block 43, the other end of the second driving strip 491 is contacted with a reset hanging block 492 and a driving inclined plane 92 which are hinged on the second rebounding slide block 42, and the reset hanging block 492 can be driven to deflect and rotate by a synchronous shaft, so that the reset hanging block 492 is contacted with the rebounding driving block 493 arranged on the first rebounding slide block 64; the second rebounding slider 42 is further provided with a locking hanging needle 8, the locking hanging needle 8 comprises a hanging needle body 81, a positioning column 82 and a hanging needle column 83, the positioning column 82 and the hanging needle column 83 are arranged at two ends of the hanging needle body, the positioning column 82 is arranged in a waist-shaped groove 84 on the second rebounding slider 42, a driving arm 494 is arranged at the inner end of the resetting hanging block 492 to drive the positioning column 82 to slide in the waist-shaped groove 84, and the hanging needle column 83 is arranged in a locking groove 85 and a tripping groove 86 in the base 41 to slide.

A fourth tension spring 87 is arranged between the second rebounding slide block 42 and the locking hanging needle 8, and the fourth tension spring 87 always pulls the locking hanging needle 8 towards the second rebounding slide block 42.

The working principle is as follows: the structure in the present case is applied to a drawer guide rail, which generally includes a movable rail 2 and a fixed rail 1, a rebound mechanism is installed on the fixed rail through a bottom plate 3, as shown in fig. 1-2, which is an effect diagram when the guide rail is in a closed state, in the closed state, a buckle mechanism 5 is connected with a first buckle block, a first hook 62 and a second hook 65 play a role in locking the closed guide rail, when a user needs to open the guide rail, the user presses the movable rail 1 inwards with force and then immediately releases his hands, the first buckle block pushes a second rebound slider to move inwards, the second driving strip 491 is reset to move towards the second rebound slider, so that the second driving strip 491 pushes the reset buckle block 492 to generate deflection, when the reset buckle block 492 swings, the synchronizing shaft 91 is driven to rotate, and the locking hook 8 is shifted forwards, so that the needle hanging column 83 on the locking hook 8 is separated from the locking groove 85, and enters the tripping groove 86, at this time, the second rebounding slide block loses support, and under the action of the third tension spring 46, the second rebounding slide block and the reset slide block are pulled to be opened outwards, so that the aim of rebounding and opening the drawer guide rail is fulfilled.

Further: as shown in fig. 3, normally, the drawer is generally provided with a left guide rail and a right guide rail, and therefore each guide rail is provided with a buffer, in order to enable the left buffer and the right buffer to be released simultaneously, and ensure the synchronism of rebound opening, in the present case, the synchronizing shafts on the left buffer and the right buffer are coaxially connected and matched through a connecting shaft 93, therefore, when one drawer guide rail is unlocked, through linkage of the connecting shaft, the unlocking processes of the left drawer and the right drawer can be synchronized, thereby ensuring that when the drawer is opened, the self-locking sliders on the left buffer and the right buffer can move synchronously, and simultaneously releasing the hanging needle, thereby ensuring that the left guide rail and the right guide rail of the drawer can be opened synchronously. Therefore, the defects that the guide rails are not smooth in operation or cannot operate due to the fact that the guide rails on the left side and the right side are deviated or even blocked due to different rebounding speeds and forces are avoided, and the guide rail anti-deviation device can be widely popularized and used.

Compared with the prior art, the guide rail in the present case has and presses the bounce-back to open, has the buffering during closing and resets and close the effect of back locking guide rail, when convenience of customers uses, promotes the user and uses feel, improves the product grade to have higher market competition.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A synchronizer for pressing rebound drawer guide rails is characterized in that: the anti-bouncing mechanism comprises a base (41) and a rotating hole (9) arranged on the base, wherein a synchronizing shaft (91) is rotatably arranged in the rotating hole (9), a driving inclined plane (92) is arranged at one end of the synchronizing shaft (91) and connected with the bouncing mechanism, the synchronizing shaft (91) is pushed to rotate through the driving inclined plane (92) when the bouncing mechanism acts, and the synchronizing shafts on a left set of drawer guide rail and a right set of drawer guide rail are connected through a connecting shaft (93).

2. A synchronizing device for pressing rebounding drawer guides according to claim 1, characterized in that: the surface of the synchronizing shaft (91) is provided with a plurality of limiting rings (94) which protrude outwards, and the limiting rings (94) can be rotationally clamped in positioning rings (95) arranged in the rotating holes (9) to rotate.

3. A synchronizing device for pressing rebounding drawer guides according to claim 1, characterized in that: the base (41) on still be provided with boosting groove (96), install in boosting groove (96) and help push rod (97), be provided with the spring between boosting rod and boosting groove, the spring promotes to help push rod and moves to synchronizing shaft (91) direction all the time for the terminal surface low pressure of helping push rod (97) is on drive table (98) on synchronizing shaft (91) surface.

4. A synchronizing device for pressing rebounding drawer guides according to claim 1, characterized in that: the rebounding mechanism comprises a second rebounding slide block (42) and a reset slide block (43) which are arranged in a base (41), the second rebounding slide block (42) and the reset slide block (43) slide on a second guide rail (44) in the base (41), a second tension spring (45) is arranged between the second rebounding slide block (42) and the reset slide block (43), and a third tension spring (46) of a buffer cylinder is arranged between the second rebounding slide block (42) and the base (41); a first hanging and buckling block (47) is hinged on the reset sliding block (43) and is connected with a hanging and buckling mechanism (5) arranged on the movable rail (2), a third guide rail (48) is arranged on the base (41), and the first hanging and buckling block (47) is positioned on the third guide rail (48) to slide; a second slide way (49) is further arranged in the second rebounding slide block (42), a second driving strip (491) is arranged in the second slide way (49), one end of the second driving strip (491) extends out of the outer end of the second rebounding slide block (42) and can be contacted with the resetting slide block (43), and the other end of the second driving strip (491) is contacted with a resetting hanging block (492) hinged on the second rebounding slide block (42) and a driving inclined plane (92), and can drive the resetting hanging block (492) to deflect and rotate by a synchronous shaft, so that the resetting hanging block (492) is contacted with a rebounding driving block (493) arranged on the first rebounding slide block (64); the needle hanging device is characterized in that a locking hanging needle (8) is further mounted on the second rebounding sliding block (42), the locking hanging needle (8) comprises a hanging needle body (81), positioning columns (82) and hanging needle columns (83) which are arranged at two ends of the hanging needle body, the positioning columns (82) are mounted in waist-shaped grooves (84) which are formed in the second rebounding sliding block (42), a driving arm (494) is arranged at the inner end of the resetting hanging block (492) to drive the positioning columns (82) to slide in the waist-shaped grooves (84), and the hanging needle columns (83) are located in locking grooves (85) and tripping grooves (86) in the base (41) to slide.

5. A synchronization device to press a rebounded drawer rail according to claim 4, characterized in that: and a fourth tension spring (87) is arranged between the second rebounding slide block (42) and the locking hanging needle (8), and the fourth tension spring (87) always pulls the locking hanging needle (8) towards the second rebounding slide block (42).