CN117027583A

CN117027583A - Buffer for sliding door by inertial force

Info

Publication number: CN117027583A
Application number: CN202310873352.7A
Authority: CN
Inventors: 郑庭委; 郑亮; 郑礼响
Original assignee: Hefei Pagla Intelligent Technology Co ltd
Current assignee: Hefei Pagla Intelligent Technology Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-11-10

Abstract

The application discloses a buffer for a sliding door by inertial force, which comprises a shell, a shell cover, a buffer mechanism, a damping mechanism and an adjusting mechanism, wherein the top of the shell is of an opening structure, the shell cover is fixedly arranged at the top of the shell through screws, the buffer mechanism and the damping mechanism are both arranged in the shell, the adjusting mechanism is arranged on the buffer mechanism, the buffer mechanism comprises a movable seat, a buffer hanging block, a guide shaft, a tension spring, a fixed block and a return spring, the movable seat is slidably arranged in the shell, and the buffer hanging block is fixedly arranged at the top of the movable seat. The application has reasonable design, can realize effective buffering when the sliding door is closed, so that the sliding door can be slowly and softly closed under the action of inertia force, the sound generated by the impact of the sliding door on the door frame is eliminated, the initial stretching amounts of the tension spring and the return spring are convenient to adjust, the application can be suitable for effective buffering use of the sliding door with different weights, the application range is enlarged, and the universality is good.

Description

Buffer for sliding door by inertial force

Technical Field

The application relates to the technical field of sliding door buffering, in particular to a sliding door buffer by inertial force.

Background

The sliding door is a common door which can be pushed and pulled left and right, pulleys are arranged at the top end and the bottom end of the sliding door at present and can move in a fixed track, and particularly, in some places with narrow space, people usually use the sliding door. The sliding door is often buffered by the sliding door buffer, so that the sliding door can be slowly closed when the sliding door reaches the side plate, and the sliding door is prevented from colliding with the door frame and generating noise. Conventional sliding door bumpers are typically mounted to the upper end of the sliding door and a stop member is mounted in the door frame track for engagement therewith.

In the prior art, the strength of the sliding door buffer by inertial force on the market is generally fixed, namely, one type of buffer is only suitable for a sliding door with a certain weight, and because the sliding doors with different weights are different in self inertial force when moving, the sliding door with different weights need to use the sliding door buffer with different models, so that the using range of the sliding door buffer is limited to a certain extent, the universality is poor, and therefore, the sliding door buffer by inertial force is provided for solving the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the application provides the sliding door buffer by the inertia force, and solves the problems that the strength of the sliding door buffer by the inertia force on the market is generally fixed, the sliding door with different weights needs to be used with different types, the using range of the sliding door buffer is limited to a certain extent, and the universality is higher.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an borrow inertial force to move door buffer, which comprises a housing, the cap, buffer gear, damping mechanism and adjustment mechanism, the top of shell is open structure, the cap passes through screw fixed mounting at the top of shell, buffer gear and damping mechanism all set up in the shell, adjustment mechanism sets up on buffer gear, buffer gear includes the movable seat, the buffering hanging piece, the guiding axle, the extension spring, fixed block and reset spring, movable seat slidable mounting is in the shell, buffering hanging piece fixed mounting is at the top of movable seat, first bar hole has been seted up at the top of cap, the top of buffering hanging piece runs through first bar hole, the guiding axle rotates to be installed in the shell and be located the left side of movable seat, the extension spring winds to establish on the guiding axle, fixed block fixed mounting is on the bottom inner wall of shell and be located between movable seat and the guiding axle, fixed connection can be dismantled with the fixed block to the one end of extension spring, fixed connection can be dismantled with the right side inner wall of shell to the right side of reset spring, the one end and reset spring's left end all are connected with adjustment mechanism.

Preferably, the damping mechanism comprises a hydraulic cylinder, hydraulic oil, a piston disc and a telescopic rod, wherein the hydraulic cylinder is fixedly arranged on the inner wall of the bottom of the shell and positioned on the right side of the movable seat, the hydraulic oil is stored in the hydraulic cylinder, the piston disc is arranged in the hydraulic cylinder, the side wall of the piston disc is in sliding sealing contact with the inner wall of the hydraulic cylinder, the right end of the telescopic rod is fixedly connected with the left side wall of the piston disc, a transverse hole is formed in the inner wall of the left side of the hydraulic cylinder, the left end of the telescopic rod penetrates through the transverse hole and is fixedly connected with the right side wall of the movable seat, and the damping hole is formed in the piston disc.

Preferably, the inner wall of the transverse hole is fixedly provided with a sealing ring, and the telescopic rod is in sliding sealing fit with the transverse hole through the sealing ring.

Preferably, the number of the damping holes is multiple, and the damping holes are uniformly distributed at equal intervals.

Preferably, the adjustment mechanism includes rack down, go up rack, lower connecting block, go up connecting block, the regulating spindle, the gear, ring sleeve and lock bolt, the mounting hole has been seted up to one side of removal seat, the one end of rack down and the one end of last rack all run through the mounting hole, it is located directly over the rack down to go up the rack, connecting block fixed mounting is in the left end of rack down, the one end that the fixed block was kept away from to the extension spring can dismantle fixed connection with lower connecting block, go up connecting block fixed mounting at the right-hand member of rack, fixed connection can be dismantled with last connecting block to reset spring's left end, the regulating spindle is rotated and is installed in the mounting hole and is located down between rack and the last rack, gear fixing sleeve establishes on the regulating spindle, rack and last rack all with gear engagement down, the front end of regulating spindle extends to the removal seat outward, the front end at the regulating spindle is established to the fixed sleeve of ring sleeve, set up threaded hole on the ring sleeve, lock bolt screw thread mounting is in threaded hole, lock bolt's rear end is inconsistent with the preceding lateral wall of removal seat.

Preferably, a second strip-shaped hole is formed in the inner wall of the front side of the shell, and the second strip-shaped hole is positioned right in front of the annular sleeve.

Preferably, guide grooves are formed in the inner wall of the top and the inner wall of the bottom of the mounting hole, guide columns are fixedly mounted at the bottom of the lower rack and the top of the upper rack, and the two guide columns are respectively and slidably mounted in the corresponding guide grooves.

Preferably, the left side wall and the right side wall of the shell are fixedly provided with connecting lugs, and two assembly holes are formed in the two connecting lugs.

Preferably, the bottom of the movable seat is nested with balls, and the balls are in rolling contact with the inner wall of the bottom of the shell.

(III) beneficial effects

The application provides a door buffer moved by inertial force. The beneficial effects are as follows:

(1) This borrow inertial force to move a buffer, through utilizing the buffer gear who comprises movable seat, buffering string piece, guiding axle, extension spring, fixed block and reset spring, and utilize the damping mechanism who comprises pneumatic cylinder, hydraulic oil, piston disc and telescopic link, can realize carrying out effectual buffering when moving a door to close under the combined action of buffer gear and damping mechanism, can guarantee to move a door and can slowly soft close under the effect of inertial force, eliminate the sound that moves a door striking door frame and produce, prevent to move a door and take place to beat.

(2) This borrow inertial force to move a buffer, through utilizing the adjustment mechanism who comprises lower rack, last rack, lower connecting block, last connecting block, regulating spindle, gear, annular cover and lock bolt, be convenient for adjust extension spring and reset spring's initial stretching volume, can be applicable to the not effectual buffering of moving a of weight and use, increased application scope, the commonality is good.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic cross-sectional view of the front view of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic left-hand structural view of a piston disc;

fig. 5 is a schematic front view of the movable base.

In the figure: 1. a housing; 2. a cover; 3. a movable seat; 4. buffering hanging blocks; 5. a first bar-shaped hole; 6. a guide shaft; 7. a tension spring; 8. a fixed block; 9. a return spring; 10. a hydraulic cylinder; 11. hydraulic oil; 12. a piston disc; 13. a telescopic rod; 14. a damping hole; 15. a mounting hole; 16. a lower rack; 17. a rack is arranged; 18. a lower connecting block; 19. an upper connecting block; 20. an adjusting shaft; 21. a gear; 22. an annular sleeve; 23. a locking bolt; 24. a connecting lug; 25. a fitting hole; 26. a second bar-shaped hole; 27. and (3) rolling balls.

Description of the embodiments

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

As shown in fig. 1-5, the present application provides a technical solution: the utility model provides an borrow inertial force to move door buffer, including shell 1, cap 2, buffer gear, damping mechanism and adjustment mechanism, the top of shell 1 is open structure, cap 2 passes through screw fixed mounting at the top of shell 1, adopt the mode of screw assembly fixed cap 2, make things convenient for the dismouting of cap 2, in order to overhaul the spare part of shell 1 inside and change, buffer gear and damping mechanism all set up in shell 1, through utilizing buffer gear and damping mechanism's combined action, can realize carrying out effectual buffering when moving the door and closing, make the door can slowly be gently closed under the effect of inertial force, eliminate the sound that moves the door striking door frame and produce, adjustment mechanism sets up on buffer gear, buffer gear includes movable seat 3, buffering hanging block 4, the movable seat 3 is slidably arranged in the shell 1, the buffer hanging block 4 is fixedly arranged at the top of the movable seat 3, a first strip-shaped hole 5 is formed in the top of the shell cover 2, the top of the buffer hanging block 4 penetrates through the first strip-shaped hole 5, the first strip-shaped hole 5 is used for avoiding the buffer hanging block 4, the buffer hanging block 4 can smoothly and horizontally move, the guide shaft 6 is rotatably arranged in the shell 1 and positioned at the left side of the movable seat 3, the tension spring 7 is wound on the guide shaft 6, the guide shaft 6 is used for guiding the moving direction during the stretching deformation of the tension spring 7, the fixed block 8 is fixedly arranged on the bottom inner wall of the shell 1 and positioned between the movable seat 3 and the guide shaft 6, one end of the tension spring 7 is detachably and fixedly connected with the fixed block 8, the right end of the return spring 9 is detachably and fixedly connected with the right inner wall of the shell 1, one end of the tension spring 7 far away from the fixed block 8 and the left end of the return spring 9 are connected with the adjusting mechanism, by utilizing the elastic force action of the tension spring 7 and the elastic force action of the return spring 9, the sliding door can be effectively buffered when being closed, so that the sliding door can be slowly and softly closed under the action of inertia force.

In the application, the damping mechanism comprises a hydraulic cylinder 10, hydraulic oil 11, a piston disc 12 and a telescopic rod 13, wherein the hydraulic cylinder 10 is fixedly arranged on the inner wall of the bottom of a shell 1 and positioned on the right side of a movable seat 3, the hydraulic oil 11 is stored in the hydraulic cylinder 10, the piston disc 12 is arranged in the hydraulic cylinder 10, the side wall of the piston disc 12 is in sliding sealing contact with the inner wall of the hydraulic cylinder 10, the right end of the telescopic rod 13 is fixedly connected with the left side wall of the piston disc 12, the left side wall of the hydraulic cylinder 10 is provided with a transverse hole, the left end of the telescopic rod 13 penetrates through the transverse hole and is fixedly connected with the right side wall of the movable seat 3, the piston disc 12 is provided with damping holes 14, the damping holes 14 are in a plurality of numbers, the damping holes 14 are uniformly distributed at equal intervals, the fluid damping during the flow of the hydraulic oil 11 is improved, the telescopic rod 13 can drive the piston disc 12 to horizontally slide in the hydraulic cylinder 10, the damping force generated when hydraulic oil 11 flows through the damping hole 14 can enable the piston disc 12 to drive the telescopic rod 13, the movable seat 3 and the buffer hanging block 4 to stably and horizontally move, so that reciprocating bouncing generated when the tension spring 7 and the return spring 9 are stressed and deformed can be effectively eliminated, the stability of the sliding door when closed can be ensured, the buffer effect of the sliding door when closed can be enhanced, the adjusting mechanism comprises a lower rack 16, an upper rack 17, a lower connecting block 18, an upper connecting block 19, an adjusting shaft 20, a gear 21, an annular sleeve 22 and a locking bolt 23, one side of the movable seat 3 is provided with a mounting hole 15, one end of the lower rack 16 and one end of the upper rack 17 penetrate through the mounting hole 15, the upper rack 17 is positioned right above the lower rack 16, the lower connecting block 18 is fixedly arranged at the left end of the lower rack 16, one end of the tension spring 7, which is far away from the fixed block 8, is detachably and fixedly connected with the lower connecting block 18, the upper connecting block 19 is fixedly arranged at the right end of the upper rack 17, the left end of the return spring 9 is detachably and fixedly connected with the upper connecting block 19, the adjusting shaft 20 is rotatably arranged in the mounting hole 15 and positioned between the lower rack 16 and the upper rack 17, the gear 21 is fixedly sleeved on the adjusting shaft 20, the lower rack 16 and the upper rack 17 are meshed with the gear 21, the front end of the adjusting shaft 20 extends out of the movable seat 3, the annular sleeve 22 is fixedly sleeved at the front end of the adjusting shaft 20, a threaded hole is formed in the annular sleeve 22, the locking bolt 23 is threadedly arranged in the threaded hole, the rear end of the locking bolt 23 is in contact with the front side wall of the movable seat 3, the lower connecting block 18 and the upper connecting block 19 can be controlled to move towards or away from each other by utilizing the meshing transmission effect of the lower rack 16 and the upper rack 17, the initial stretching amount of the tension spring 7 and the return spring 9 can be changed, the sliding door with different weights can be suitable for buffer use, the frictional resistance when the locking bolt 23 is tightly abutted against the front side wall of the movable seat 3 is utilized, the annular sleeve 22 is used for fixing the annular sleeve 22, the rotating, the adjustable shaft 20 is further the six-shaped locking bolt 23 is required to be tightly provided with a six-shaped locking groove, and the six-shaped inner locking bolt is convenient to rotate, and the six-handle locking bolt 23 is convenient to use.

In this embodiment, fixed mounting has the sealing ring on the inner wall in cross bore, and telescopic link 13 passes through sealing ring and cross bore sliding seal cooperation, and the sealing ring is used for sealing the clearance between telescopic link 13 and the cross bore, avoids hydraulic oil 11 to ooze outside the pneumatic cylinder 10.

In this embodiment, the front inner wall of the housing 1 is provided with a second bar-shaped hole 26, the second bar-shaped hole 26 is located right in front of the annular sleeve 22, and the second bar-shaped hole 26 is provided, so that the locking bolt 23 can be conveniently and rotationally adjusted by using an internal hexagonal wrench, so that the locking bolt 23 can be conveniently screwed or unscrewed.

In this embodiment, guide grooves are formed in the top inner wall and the bottom inner wall of the mounting hole 15, guide posts are fixedly mounted at the bottom of the lower rack 16 and at the top of the upper rack 17, the two guide posts are respectively slidably mounted in the corresponding guide grooves, and the two guide posts are respectively matched with sliding connection in the corresponding guide grooves, so that the movement directions of the lower rack 16 and the upper rack 17 can be guided, and the lower rack 16 and the upper rack 17 can horizontally move.

In this embodiment, the left side wall and the right side wall of the casing 1 are fixedly provided with the connecting lugs 24, two assembly holes 25 are respectively formed in the two connecting lugs 24, and the two connecting lugs 24 and the assembly holes 25 formed in the two connecting lugs are utilized to facilitate the whole installation and the fixation of the sliding door buffer at a proper position on the sliding door.

In this embodiment, the bottom of the movable seat 3 is nested with the balls 27, and the balls 27 are in rolling contact with the bottom inner wall of the housing 1, so that the sliding of the movable seat 3 inside the housing 1 is smoother.

When the sliding door buffer is used, the sliding door buffer is integrally arranged at a proper position at the top of the sliding door, when the sliding door is closed, a human hand applies pushing force to the sliding door to enable the sliding door to horizontally slide, when the buffer hanging block 4 moves to be abutted against a baffle arranged in a door frame track, the buffer hanging block 4, the moving seat 3 and the adjusting mechanism can horizontally move, at the moment, the tension spring 7 is gradually stretched, the reset spring 9 is gradually compressed, the moving seat 3 also can drive the telescopic rod 13 and the piston disc 12 to horizontally move, hydraulic oil 11 flows through the inside of the damping holes 14, the piston disc 12 can drive the telescopic rod 13, the moving seat 3 and the buffer hanging block 4 to stably and horizontally move by utilizing damping force generated when the hydraulic oil 11 flows through the inside of the damping holes 14, and further under the combined action of the buffer mechanism and the damping mechanism, the movable door can be effectively buffered when being closed, the movable door can be ensured to be slowly and softly closed under the action of inertia force, the sound generated by the impact of the movable door on a door frame is eliminated, the movable door is prevented from jumping, the locking bolt 23 can be unscrewed by inserting the inner hexagonal wrench into the inner hexagonal groove of the locking bolt 23, the locking fixation of the adjusting shaft 20 is released at the moment, the annular sleeve 22 is rotated clockwise, the upper connecting block 19 and the lower connecting block 18 can be controlled to move in the directions away from each other by utilizing the meshing transmission effect of the gear 21, the upper rack 17 and the lower rack 16, the stretching amount of the tension spring 7 and the restoring spring 9 is gradually reduced (from the perspective of front view), and the upper connecting block 19 and the lower connecting block 18 can be controlled to move in the directions close to each other by rotating the annular sleeve 22 anticlockwise, at this moment, the stretching amounts of the tension spring 7 and the reset spring 9 are gradually increased (from the perspective of the main view), after the stretching amounts of the tension spring 7 and the reset spring 9 are adjusted appropriately according to the requirements, the inner hexagonal wrench is used for screwing the locking bolt 23 to tightly abut against the movable seat 3, so that the adjusting shaft 20 can be locked and fixed, the initial stretching amounts of the tension spring 7 and the reset spring 9 are further conveniently adjusted, the buffer door adjusting device can be suitable for being used for effectively buffering sliding doors with different weights, and meanwhile, the content which is not described in detail in the specification belongs to the prior art known by the expert in the field.

In summary, this borrow inertial force to move the door buffer and can realize carrying out effectual buffering when closing to moving the door for move the door and can slowly soft close under the effect of inertial force, eliminate the sound that moves door striking door frame and produce, and be convenient for adjust the initial tensile volume of extension spring 7 and reset spring 9, can be applicable to the door that moves of different weight and carry out effectual buffering and use, increased application scope, the commonality is good.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a borrow inertial force to move door buffer, its characterized in that includes shell (1), cap (2), buffer gear, damping mechanism and adjustment mechanism, the top of shell (1) is open structure, cap (2) are through screw fixed mounting in the top of shell (1), buffer gear with damping mechanism all sets up in shell (1), adjustment mechanism sets up on the buffer gear, buffer gear includes movable seat (3), buffering string piece (4), guiding axle (6), extension spring (7), fixed block (8) and reset spring (9), movable seat (3) slidable mounting is in shell (1), buffering string piece (4) fixed mounting is in the top of movable seat (3), first bar hole (5) have been seted up at the top of cap (2), the top of buffering string piece (4) runs through first bar hole (5), guiding axle (6) rotation are installed in shell (1) and are located movable seat's (3) left side, guide axle (7) are established around guide axle (6) are located movable seat (6) and are fixed on the inner wall (1) and are located between movable seat (6), one end of the tension spring (7) is detachably and fixedly connected with the fixed block (8), the right end of the return spring (9) is detachably and fixedly connected with the right side inner wall of the shell (1), and one end of the tension spring (7) away from the fixed block (8) and the left end of the return spring (9) are both connected with the adjusting mechanism.

2. The inertial force door damper of claim 1, wherein: the damping mechanism comprises a hydraulic cylinder (10), hydraulic oil (11), a piston disc (12) and a telescopic rod (13), wherein the hydraulic cylinder (10) is fixedly installed on the inner wall of the bottom of the shell (1) and located on the right side of the movable seat (3), the hydraulic oil (11) is stored in the hydraulic cylinder (10), the piston disc (12) is arranged in the hydraulic cylinder (10), the side wall of the piston disc (12) is in sliding sealing contact with the inner side wall of the hydraulic cylinder (10), the right end of the telescopic rod (13) is fixedly connected with the left side wall of the piston disc (12), a transverse hole is formed in the inner wall of the left side of the hydraulic cylinder (10), the left end of the telescopic rod (13) penetrates through the transverse hole and is fixedly connected with the right side wall of the movable seat (3), and a damping hole (14) is formed in the piston disc (12).

3. The inertial force door damper according to claim 2, wherein: and the inner wall of the transverse hole is fixedly provided with a sealing ring, and the telescopic rod (13) is in sliding sealing fit with the transverse hole through the sealing ring.

4. The inertial force door damper according to claim 2, wherein: the number of the damping holes (14) is multiple, and the damping holes (14) are uniformly distributed at equal intervals.

5. The inertial force door damper of claim 1, wherein: the adjusting mechanism comprises a lower rack (16), an upper rack (17), a lower connecting block (18), an upper connecting block (19), an adjusting shaft (20), a gear (21), an annular sleeve (22) and a locking bolt (23), wherein one side of the movable seat (3) is provided with a mounting hole (15), one end of the lower rack (16) and one end of the upper rack (17) penetrate through the mounting hole (15), the upper rack (17) is positioned right above the lower rack (16), the lower connecting block (18) is fixedly installed at the left end of the lower rack (16), one end of the tension spring (7) far away from the fixed block (8) is detachably and fixedly connected with the lower connecting block (18), the upper connecting block (19) is fixedly installed at the right end of the upper rack (17), the left end of the return spring (9) is detachably and fixedly connected with the upper connecting block (19), the adjusting shaft (20) is rotatably installed in the mounting hole (15) and positioned between the lower rack (16) and the upper rack (17), the gear sleeve (21) is fixedly installed at the right end of the upper rack (17), the upper connecting block (20) is fixedly meshed with the gear (21), the adjustable device is characterized in that the annular sleeve (22) is fixedly sleeved at the front end of the adjusting shaft (20), a threaded hole is formed in the annular sleeve (22), the locking bolt (23) is installed in the threaded hole in a threaded mode, and the rear end of the locking bolt (23) is abutted to the front side wall of the movable seat (3).

6. The inertial force sliding door damper according to claim 5, wherein: a second strip-shaped hole (26) is formed in the inner wall of the front side of the shell (1), and the second strip-shaped hole (26) is positioned right in front of the annular sleeve (22).

7. The inertial force sliding door damper according to claim 5, wherein: guide grooves are formed in the inner wall of the top and the inner wall of the bottom of the mounting hole (15), guide columns are fixedly mounted at the bottom of the lower rack (16) and the top of the upper rack (17), and the two guide columns are respectively and slidably mounted in the corresponding guide grooves.

8. The inertial force door damper of claim 1, wherein: the connecting lugs (24) are fixedly arranged on the left side wall and the right side wall of the shell (1), and two assembly holes (25) are formed in the connecting lugs (24).

9. The inertial force door damper of claim 1, wherein: the bottom of the movable seat (3) is nested with balls (27), and the balls (27) are in rolling contact with the inner wall of the bottom of the shell (1).