CN220117957U

CN220117957U - Double-direction sliding door buffer and sliding door

Info

Publication number: CN220117957U
Application number: CN202321406830.5U
Authority: CN
Inventors: 白宝鲲
Original assignee: Guangdong Kinlong Hardware Products Co Ltd
Current assignee: Guangdong Kinlong Hardware Products Co Ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-12-01
Anticipated expiration: 2033-06-05

Abstract

The utility model provides a double-directional sliding door buffer, which comprises a shell component, a first sliding block, a second sliding block, a damping device, a first extension spring, a second extension spring and an extension regulator, wherein the first sliding block and the second sliding block are respectively and slidably arranged in the shell component, the extension regulator comprises a regulator main body, a first regulating block, a second regulating block and a regulating component, the first regulating block and the second regulating block are respectively and slidably arranged at two ends of the regulator main body in a preset direction, and the first regulating block is fixed with the first extension spring, and the second regulating block is fixed with the second extension spring; the adjusting assembly is located between the first adjusting block and the second adjusting block and used for driving the first adjusting block and the second adjusting block to reversely slide in a preset direction. The utility model can adjust the tension between the first sliding block and the second sliding block according to different door leaf weights, thereby meeting the requirements of buffering force and buffering speed of door leaves with different weights.

Description

Double-direction sliding door buffer and sliding door

Technical Field

The utility model relates to the field of household hardware, in particular to a double-direction sliding door buffer and a sliding door.

Background

In modern houses, in order to avoid noise generated by the sliding door and the like which is strongly impacted on the frame and damage the frame, a buffer is usually arranged on the sliding door, the noise caused by the rapid closing of the sliding door is prevented by the buffer, and meanwhile, fingers are prevented from being pinched by the sliding door.

The door leaf weight and the specification of the existing sliding door are different, and the door leaf weight which can be buffered by a common buffer corresponds to a larger range, so that the door leaf with the minimum weight and the door leaf with the maximum weight can use the buffer with the same specification, and the buffering force and the buffering speed of the sliding door with different weights are quite possibly unsatisfactory.

Disclosure of Invention

The utility model aims to solve the technical problems that the buffer force and the buffer speed of the sliding door with different weights are poor due to the fact that the weight range of the corresponding door leaf of the buffer with the same specification is enlarged, and provides a novel double-direction sliding door buffer and the sliding door.

The technical scheme of the utility model for solving the technical problems is that the double-direction sliding door buffer comprises a shell component, a first sliding block, a second sliding block and a damping device, wherein the first sliding block and the second sliding block are respectively and slidably arranged in the shell component, and two ends of the damping device are respectively connected with the first sliding block and the second sliding block; the double-direction-shifting door buffer further comprises a first extension spring, a second extension spring and an extension regulator, wherein:

two ends of the first extension spring are respectively connected with the first sliding block and the extension regulator, and two ends of the second extension spring are respectively connected with the second sliding block and the extension regulator;

the stretching regulator comprises a regulator main body, a first regulating block, a second regulating block and a regulating assembly, wherein the regulator main body is slidably arranged in the shell assembly, the first regulating block and the second regulating block are slidably arranged at two ends of the regulator main body in the preset direction respectively, the first regulating block is fixed with a first stretching spring, and the second regulating block is fixed with a second stretching spring; the adjusting assembly is located between the first adjusting block and the second adjusting block and used for driving the first adjusting block and the second adjusting block to reversely and synchronously slide in a preset direction, and the preset direction is the sliding direction of the first sliding block and the second sliding block in the shell assembly.

As a further improvement of the utility model, the first adjusting block is provided with a first screw hole arranged along a preset direction, and the second adjusting block is provided with a second screw hole arranged along the preset direction;

the adjusting assembly comprises a first screw, a second screw and an adjusting gear, wherein a screw head of the first screw is provided with a first gear, a screw head of the second screw is provided with a second gear, and the adjusting gear comprises a third gear; the first screw is in threaded connection with the first screw hole, the second screw is in threaded connection with the second screw hole, the adjusting gear is arranged between the first screw and the second screw, and the third gear is meshed with the first gear and the second gear respectively.

As a further improvement of the present utility model, the central shaft of the adjusting gear is vertically arranged, and the bottom of the adjusting gear is provided with an adjusting part for being matched with an adjusting tool, and the bottom of the adjuster body is provided with an adjusting hole exposing the adjusting part;

the bottom of the shell component is provided with an adjusting window arranged along a preset direction, and the adjusting holes are exposed in the adjusting window in the stroke range of the stretching adjuster.

As a further improvement of the utility model, the central shaft of the first gear, the central shaft of the second gear and the central shaft of the third gear are positioned in the same plane, the central shafts of the first gear and the second gear are arranged along the preset direction, and the central shaft of the third gear is vertically arranged.

As a further improvement of the present utility model, a first sliding channel, a second sliding channel and an adjusting cavity are formed in the adjuster body, the first sliding channel and the second sliding channel are respectively arranged along a preset direction, and the adjusting cavity is located between the first sliding channel and the second sliding channel;

the first adjusting block is arranged in the first sliding channel, the second adjusting block is arranged in the second sliding channel, and the screw head of the first screw rod, the screw head of the second screw rod and the adjusting gear are arranged in the adjusting cavity.

As a further improvement of the utility model, the regulator body is composed of a buckled outer body and an inner body, wherein the outer body is provided with a first chute, a second chute and a first mounting groove positioned between the first chute and the second chute; the inner main body is provided with a third chute, a fourth chute and a second installation groove positioned between the third chute and the fourth chute;

the first sliding channel is formed by splicing the first sliding groove and the third sliding groove, the second sliding channel is formed by splicing the second sliding groove and the fourth sliding groove, and the adjusting cavity is formed by splicing the first mounting groove and the second mounting groove.

As a further improvement of the utility model, the adjusting gear comprises a first rotating shaft part positioned above the third gear and a second rotating shaft part positioned below the third gear;

a first upper fixing groove is formed above the first mounting groove, a second upper fixing groove is formed above the second mounting groove, and the first upper fixing groove and the second upper fixing groove are spliced to form an upper fixing hole for the rotary connection of the first rotating shaft part of the adjusting gear;

the lower adjusting hole is formed by splicing the first lower adjusting groove and the second lower adjusting groove, and is used for enabling the second rotating shaft part of the adjusting gear to be in rotary connection.

As a further improvement of the utility model, the outer body is provided with a first strip-shaped hole and a second strip-shaped hole, and the inner body is provided with a third strip-shaped hole and a fourth strip-shaped hole;

the first adjusting block is arranged in the first sliding channel in a mode that the two first protruding columns are respectively embedded into the first strip-shaped hole and the third strip-shaped hole, and the second adjusting block is arranged in the second sliding channel in a mode that the two second protruding columns are respectively embedded into the second strip-shaped hole and the fourth strip-shaped hole.

As a further improvement of the utility model, the first sliding block comprises a first hook protruding from the top surface and a first boss protruding from two side surfaces, and the second sliding block comprises a second hook protruding from the top surface and a second boss protruding from two side surfaces;

the shell assembly comprises a main shell, and each side wall of the main shell is provided with a first L-shaped chute and a second L-shaped chute which are arranged in a mirror image mode; the first sliding block is arranged on the main shell in a mode that two first bosses are respectively embedded into two first L-shaped sliding grooves, and the second sliding block is arranged on the main shell in a mode that two second bosses are respectively embedded into two second L-shaped sliding grooves.

The utility model also provides a sliding door which comprises a door frame, a door leaf and the double-directional moving door buffer, wherein the double-directional moving door buffer is connected with the door frame in a sliding manner and is fixedly connected with the door leaf.

The utility model has the following beneficial effects: the tension regulator for regulating the tension of the tension spring is additionally arranged between the first sliding block and the second sliding block, so that the tension between the first sliding block and the second sliding block can be regulated according to different door leaf weights, and the requirements of buffering force and buffering speed of door leaves with different weights are met.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a dual transfer gate buffer according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a housing assembly, a first slider, a second slider, a damping device, a first extension spring, a second extension spring, and an extension adjuster in a dual-direction sliding door damper according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an exploded view of a first sheave assembly and a drop box assembly in a dual transfer door damper according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of an assembly structure of a tension adjuster, a first tension spring, and a second tension spring in a dual-direction sliding door damper according to an embodiment of the present utility model;

FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;

FIG. 6 is a schematic diagram showing an exploded structure of a tension adjuster in a double-sided sliding door damper according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram showing a combined state of a tension adjuster in a double-sided translation gate buffer according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of the bottom structure of a dual transfer gate buffer provided by an embodiment of the present utility model;

FIG. 9 is a schematic view of the structure of the outer body of the tension adjuster of the double-direction sliding door damper according to the embodiment of the present utility model;

FIG. 10 is a schematic view of the structure of an inner body of a tension adjuster of a dual-direction sliding door damper according to an embodiment of the present utility model;

fig. 11 is a schematic structural view of a second adjusting block in a tension adjuster of a double-direction sliding door damper according to an embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

1-2 are schematic diagrams of a dual-sliding door damper according to an embodiment of the present utility model, where the dual-sliding door damper may be applied to a sliding door, a cabinet door, a sliding window, and the like. The double-direction-shifting door damper of the embodiment comprises a housing assembly 10, a first pulley assembly 20, a second pulley assembly 30 and a hanging box assembly 40, wherein a first sliding block 51, a second sliding block 52, a damping device 53, a first stretching spring 54, a second stretching spring 55 and a stretching regulator 60 are arranged in the housing assembly 10, the first sliding block 51 and the second sliding block 52 are respectively and slidably arranged in the housing assembly 10, two ends of the damping device 53 are respectively connected with the first sliding block 51 and the second sliding block 52, two ends of the first stretching spring 54 are respectively connected with the first sliding block 51 and the stretching regulator 60, and two ends of the second stretching spring 55 are respectively connected with the second sliding block 52 and the stretching regulator 60.

The first pulley assembly 20 and the second pulley assembly 30 are respectively positioned at both ends of the housing assembly 10 in the longitudinal direction, and the hanging box assembly 40 is fixed below the first pulley assembly 20. In use, the hanging box assembly 40 is directly or indirectly fixed to the door leaf, and the first pulley assembly 20 and the second pulley assembly 30 are embedded in the sliding rail of the door frame and can slide relative to the door frame. When the door leaf is pushed, the entire double door damper is driven by the drop box assembly 40 to follow the door leaf. As shown in connection with fig. 3, the first pulley assembly 20 includes a pulley body 21 fixed to an end of the housing assembly 10 and a plurality of pulleys 22 pivotally coupled to the pulley body 21. The hanging box assembly 40 comprises a hanging plate 41, a third screw rod 42 and a nut 43, and the hanging plate 41 is hung below the first pulley assembly 20 through the third screw rod 42 and the nut 43. The first pulley assembly 20, the second pulley assembly 30 and the hanging box assembly 40 can be constructed in a similar manner to the conventional sliding door damper, and will not be described in detail herein.

Specifically, the housing assembly 10 includes a main housing 11, an outer shell 12 and an outer cover 13, wherein the main housing 11 is elongated, and each sidewall of the main housing 11 has two first L-shaped sliding grooves 111 and second L-shaped sliding grooves 112 disposed in mirror images. The main housing 11 also has a housing chamber for housing the damper 53. The first and second L-shaped sliding grooves 111 and 112 are generally provided along the length direction of the main casing 11. In particular, to meet the use requirements, the main housing 11 may be made of a metal material.

The first slider 51 includes a first hook protruding from the top surface and first bosses 511 protruding from both side surfaces, the second slider 52 includes a second hook protruding from the top surface and second bosses 521 protruding from both side surfaces, and the first slider 51 is mounted to the main housing 11 in such a manner that the two first bosses 511 are respectively embedded in the two first L-shaped sliding grooves 111, the second slider 52 is mounted to the main housing 11 in such a manner that the two second bosses 521 are respectively embedded in the two second L-shaped sliding grooves 112, and the damper 53 is disposed in the accommodation chamber and is guided by the sliding directions of the first slider 51 and the second slider 52, respectively, constituted by the first L-shaped sliding grooves 111 and the second L-shaped sliding grooves 112. The outer case 12 and the outer cover 13 are fixed to the main casing 11, respectively, and serve to cover the exposed portions of the main casing 11 to protect the internal structure of the main casing 11.

In practical applications, the housing assembly 10, the first slider 51, the second slider 52, and the damping device 53 may all adopt other structures similar to corresponding components in the conventional damping device, and will not be described herein.

Referring to fig. 4-7, the tension adjuster 60 includes an adjuster body, a first adjusting block 63, a second adjusting block 64, and an adjusting assembly, wherein the adjuster body is slidably mounted in the housing assembly 10, the first adjusting block 63 and the second adjusting block 64 are slidably mounted at two ends of the adjuster body in a predetermined direction, the first adjusting block 63 is fixed to the first tension spring 54, the second adjusting block 64 is fixed to the second tension spring 55, i.e., two ends of the first tension spring 54 are connected to the first slider 51 and the first adjusting block 63, and two ends of the second tension spring 55 are connected to the second slider 52 and the second adjusting block 64, respectively. The adjusting assembly is installed between the first adjusting block 63 and the second adjusting block 64 and is used for driving the first adjusting block 63 and the second adjusting block 64 to reversely slide in a preset direction, wherein the preset direction is a sliding direction of the first sliding block 51 and the second sliding block 52 in the housing assembly 10, that is, a preset direction is a length direction of the main housing 11.

Through the structure, the adjusting assembly can drive the first adjusting block 63 and the second adjusting block 64 to be close to each other (namely, slide oppositely in the preset direction), so that the stretching amounts of the first stretching spring 54 and the second stretching spring 55 are increased simultaneously, the stretching forces of the first stretching spring 54 and the second stretching spring 55 are increased, and the double-direction sliding door buffer can meet the push-pull requirement of a door leaf with larger weight; the adjusting assembly can further drive the first adjusting block 63 and the second adjusting block 64 to move away from each other (i.e. slide back in a preset direction), so that the stretching amounts of the first stretching spring 54 and the second stretching spring 55 are reduced simultaneously, and the stretching forces of the first stretching spring 54 and the second stretching spring 55 are reduced, so that the double-direction sliding door buffer can meet the push-pull requirement of a door leaf with smaller weight.

According to the double-direction-shifting door buffer, the tension regulator 60 for regulating the tension of the tension spring is additionally arranged between the first sliding block 51 and the second sliding block 52, so that the tension between the first sliding block and the second sliding block can be regulated according to different door leaf weights, and the requirements of buffering force and buffering speed of door leaves with different weights can be met. In addition, the tension regulator 60 can simultaneously regulate the tension of the first tension spring 54 and the second tension spring 55, and the operation is more convenient.

In one embodiment of the present utility model, the first adjusting block 63 of the tension adjuster 60 has a first screw hole disposed along a predetermined direction, and the second adjusting block 64 has a second screw hole disposed along the predetermined direction. Accordingly, the above-mentioned adjusting assembly includes a first screw 65, a second screw 66 and an adjusting gear 67, and the screw head of the first screw 65 has a first gear 651, the screw head of the second screw 66 has a second gear 661, and the adjusting gear 67 includes a third gear. The first screw 65 is in threaded connection with the first screw hole, the second screw 66 is in threaded connection with the second screw hole, the adjusting gear 67 is arranged between the first screw 65 and the second screw 66, and the third gear is meshed with the first gear and the second gear respectively.

Through the cooperation structure of screw rod and screw, can realize the stepless adjustment of the tensile volume of first extension spring 54 and second extension spring 55, not only can realize the most accurate tensile volume and adjust, the adjustment process does not have the sense of setback moreover to satisfy the requirement of different door weights.

In one embodiment of the present utility model, the central axis of the adjusting gear 67 of the tension adjuster 60 is vertically arranged, and the bottom of the adjusting gear 67 has an adjusting portion (e.g., a hexagonal hole) for being engaged with an adjusting tool, and accordingly, the bottom of the adjuster body has an adjusting hole exposing the adjusting portion.

As shown in connection with fig. 8, the bottom of the housing assembly 10 has an adjustment window 121 disposed in a predetermined direction (e.g., the adjustment window 121 may be located on the outer shell 12 of the housing assembly 10), and the adjustment holes are exposed in the adjustment window 121 over the range of travel of the tension adjuster 60 (i.e., the range in which the tension adjuster 60 slides along the length of the housing assembly 10). In this way, the adjusting gear 67 can be rotated by the adjusting tool inserted into the adjusting window 121, thereby adjusting the amount of spring tension, and the adjustment can be achieved without disassembling the housing assembly 10, greatly facilitating the adjusting operation. For example, after the double-displacement door damper is installed in the door frame rail, the double-displacement door damper is adjusted from the lower opening of the door frame rail through a hexagonal wrench, and satisfactory damping force and damping speed can be adjusted according to different door leaf weights.

In one embodiment of the present utility model, the central axis of the first gear 651 on the first screw 65, the central axis of the second gear 661 on the second screw 66 and the central axis of the third gear 661 on the adjusting gear 67 are located in the same plane, and the central axes of the first gear 651 and the second gear 661 are all arranged along the preset direction, and the central axis of the third gear is vertically arranged, for example, the first gear 651 and the second gear 661 are symmetrically distributed on both sides of the third gear. By the above mode, the pressure balance at the two sides of the third gear can be ensured, and the adjusting gear 67 is prevented from shaking in the operation process.

In one embodiment of the present utility model, a first sliding channel, a second sliding channel and an adjusting cavity are formed in the adjuster body, the first sliding channel and the second sliding channel are respectively arranged along a preset direction, and the adjusting cavity is located between the first sliding channel and the second sliding channel; the first adjusting block 63 is installed in the first sliding channel, the second adjusting block 64 is installed in the second sliding channel, and the screw head of the first screw 65, the screw head of the second screw 66 and the adjusting gear are installed in the adjusting cavity.

The above structure is simple in assembly, and ensures that the first and second regulating blocks 63 and 64 slide smoothly in a preset direction, and the regulating operation of the regulating gear is relatively smooth.

In particular, as shown in connection with fig. 9 to 11, the regulator body is composed of an outer body 61 and an inner body 62 which are fastened to each other, wherein the outer body 61 has a first sliding groove 611, a second sliding groove 612, and a first mounting groove 613 between the first sliding groove 611 and the second sliding groove 612; the inner body 62 has a third slide groove 621, a fourth slide groove 622, and a second mounting groove 623 between the third slide groove 621 and the fourth slide groove 622; the first sliding channel is formed by the first sliding groove 611 and the third sliding groove 621 being spliced, the second sliding channel is formed by the second sliding groove 612 and the fourth sliding groove 622 being spliced, and the adjusting chamber is formed by the first mounting groove 613 and the second mounting groove 623 being spliced.

The outer body 61 may further have a plurality of pins 618, and correspondingly, the inner body 62 has a plurality of blind holes 628, and the outer body 61 and the inner body 62 are fastened together in such a manner that the pins 618 are respectively inserted into the blind holes 628. In practice, the outer body 61 and the inner body 62 may also provide other ways to locate and mount and form the regulator body.

In one embodiment of the utility model, the adjustment gear 61 comprises a first rotating shaft portion above the third gear and a second rotating shaft portion below the third gear; accordingly, a first upper fixing groove 614 is provided above the first mounting groove 613 of the outer body 61, a second upper fixing groove 624 is provided above the second mounting groove 623 of the inner body 62, and the first upper fixing groove 614 and the second upper fixing groove 624 are combined to form an upper fixing hole for the rotational connection of the first rotation shaft portion of the adjusting gear 61. Also, a first lower adjustment groove 615 is provided below the first mounting groove 613, a second lower adjustment groove 625 is provided below the second mounting groove 623, and the first lower adjustment groove 615 and the second lower adjustment groove 625 are spliced to form a lower adjustment hole for the rotational connection of the second shaft portion of the adjustment gear 67.

Through the cooperation of upper fixed orifices and first pivot portion, lower regulation hole and second pivot portion, can improve the stability of adjusting gear 67, make it can not rock at the rotation in-process.

In addition, the outer body 61 may further have a first bar hole 616 and a second bar hole 617, the inner body 62 may have a third bar hole 626 and a fourth bar hole 627, and correspondingly, the first adjusting block may have a first protrusion on two opposite side walls, and the second adjusting block 64 may have a second protrusion 642 on two opposite side walls, in addition to the groove 641 for fixing the second tension spring 55. The two first bosses are respectively inserted into the first and third bar holes 616 and 626 when the first adjustment block 63 is mounted to the first sliding channel of the adjuster body, and the two second bosses 642 are respectively inserted into the second and fourth bar holes 617 and 627 when the second adjustment block 64 is mounted to the second sliding channel of the adjuster body.

The matching structure of the convex column and the strip-shaped hole can further improve the sliding stability of the first adjusting block 63 and the second adjusting block 64, and simultaneously can ensure that the two adjusting blocks are kept within the effective connection distance of the threads of the first screw 65 and the second screw 66 in adjustment, so that the adjusting blocks cannot fall off due to excessive outward adjustment, and the failure caused by excessive inward adjustment due to excessive anastomosis of the threads can be avoided.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The double-direction sliding door buffer comprises a shell component, a first sliding block, a second sliding block and a damping device, wherein the first sliding block and the second sliding block are respectively and slidably arranged in the shell component, and two ends of the damping device are respectively connected with the first sliding block and the second sliding block; the double-direction-shifting door buffer is characterized by further comprising a first stretching spring, a second stretching spring and a stretching regulator, wherein:

2. The double-direction-shifting door buffer according to claim 1, wherein the first adjusting block is provided with a first screw hole arranged along a preset direction, and the second adjusting block is provided with a second screw hole arranged along the preset direction;

3. The double-directional door damper according to claim 2, wherein the central shaft of the adjusting gear is vertically disposed, and the bottom of the adjusting gear has an adjusting portion for being engaged with an adjusting tool, and the bottom of the adjuster body has an adjusting hole exposing the adjusting portion;

4. The double-direction-shifting door buffer according to claim 3, wherein the central shaft of the first gear, the central shaft of the second gear and the central shaft of the third gear are located in the same plane, the central shafts of the first gear and the second gear are all arranged along a preset direction, and the central shaft of the third gear is vertically arranged.

5. The double-sliding door damper according to claim 2, wherein the regulator body has a first sliding channel, a second sliding channel, and a regulating chamber formed therein, the first and second sliding channels being disposed in a predetermined direction, respectively, the regulating chamber being located between the first and second sliding channels;

6. The double-sided door damper of claim 5, wherein the regulator body is comprised of a buckled outer body and inner body, the outer body having a first runner, a second runner, and a first mounting slot therebetween; the inner main body is provided with a third chute, a fourth chute and a second installation groove positioned between the third chute and the fourth chute;

7. The dual transfer door damper of claim 6, wherein the adjustment gear includes a first spindle portion above a third gear and a second spindle portion below the third gear;

8. The dual transfer door damper of claim 6, wherein the outer body has a first bar-shaped aperture and a second bar-shaped aperture thereon, and the inner body has a third bar-shaped aperture and a fourth bar-shaped aperture thereon;

9. The double-acting door damper of any one of claims 1-8, wherein the first slider comprises a first hook protruding from the top surface and a first boss protruding from both side surfaces, and the second slider comprises a second hook protruding from the top surface and a second boss protruding from both side surfaces;

10. A sliding door, comprising a door frame, a door leaf and the double-sliding door buffer according to any one of claims 1-9, wherein the double-sliding door buffer is slidingly connected with the door frame and fixedly connected with the door leaf.