CN105089406B - sliding door system and buffer device thereof - Google Patents

Abstract

The invention relates to a buffer device, which comprises a shell, a sliding base, a draw hook and a buffer piece, wherein the sliding base is provided with a hook hole; the shell is of a hollow structure, a long-strip-shaped inner cavity is formed in the shell, a sliding groove communicated with the inner cavity is further formed in the shell, the sliding groove extends along the extending direction of the inner cavity, and a notch is further formed in the side wall of the sliding groove; the sliding base can slide along the inner cavity; the drag hook comprises a drag hook main body, a pin shaft part and positioning convex columns, wherein the pin shaft part and the positioning convex columns are arranged on the drag hook main body at intervals; the buffer piece is connected with the sliding base; wherein, the drag hook main part rotates, can make the location projection get into in the breach from the sliding tray to make the extension direction of slant groove opening and sliding tray unanimous. Above-mentioned buffer can cushion the push-and-pull door. Simultaneously, the buffering door system using the buffering device is also provided.

Description

Sliding door system and its buffer device

technical field

The invention relates to the field of sliding doors, in particular to a sliding door system and a buffer device thereof.

Background technique

Sliding doors, especially glass sliding doors, are widely favored by consumers because of their space-saving, wide application and good lighting. They have moved from public places such as offices, conference rooms, and shops to more and more families.

The traditional sliding door system generally adopts the structure of guide rails and pulleys. If the user uses a little force, it will cause severe collisions when the sliding door is opened or closed, and serious accidents such as derailment of the pulley or glass breakage will occur. Security is a threat.

Contents of the invention

Based on this, it is necessary to provide a buffer device capable of buffering the sliding door, and also provide a sliding door system using the buffer device.

A buffer device comprising:

The housing is a hollow structure, the housing is provided with a strip-shaped inner cavity, and the housing is also provided with a sliding groove communicating with the inner cavity, and the sliding groove extends along the direction in which the inner cavity extends, There is also a notch on the side wall of the sliding groove;

a sliding base, arranged in the inner cavity, and the sliding base can slide along the inner cavity;

A draw hook, the draw hook includes a draw hook main body, a pin shaft portion and a positioning post, the pin shaft portion and the positioning post are arranged on the draw hook main body at intervals, and the draw hook main body passes through the pin shaft portion and the positioning post. The sliding base is rotatably connected, the positioning boss and the pin shaft are slidably arranged in the sliding groove, and the pull hook is also provided with an oblique groove whose opening is staggered from the sliding groove; and

a buffer member connected to the sliding base;

Wherein, the main body of the drag hook rotates, so that the positioning protrusion enters the notch from the sliding groove, so that the opening of the oblique groove is consistent with the extending direction of the sliding groove.

In one of the embodiments, the buffer member includes a cylinder, and a piston rod is arranged on the cylinder, and the piston rod is connected with the sliding base.

In one embodiment, the buffer member further includes a spring, one end of the spring is connected to the sliding base, and the other end is disposed on the inner side wall of the housing.

In one of the embodiments, the gap is a trapezoidal structure.

In one of the embodiments, the opening of the sliding groove is provided with an introduction opening wider than the sliding groove.

A sliding door system comprising:

slide rail;

The above buffer device, the buffer device is fixed at one end of the slide rail;

a trolley, slidably arranged on the slide rail;

A post-pulling plate fixed on the tackle, the post-pulling plate comprising a fixed plate fixed on the trolley and a post set on the fixed plate; and

The sliding door is slidably arranged on the slide rail through the pulley;

Wherein, when the opening of the oblique groove is consistent with the extending direction of the sliding groove, the pulley slides toward the buffer device, so that the pulling column enters the oblique groove through the sliding groove, And apply pressure to the side wall of the oblique groove to rotate the main body of the drag hook, the oblique groove and the sliding groove are staggered, and the positioning boss enters the sliding groove.

In one of the embodiments, the post-pulling plate further includes a flexible sleeve, and the flexible sleeve is sheathed on the outside of the post-pulling.

In one of the embodiments, the buffer device further includes a bottom plate, the housing is arranged on the bottom plate, an installation groove is opened on the slide rail, and the bottom plate is clamped in the installation groove.

In one of the embodiments, the tackle includes:

The main body of the trolley is slidably arranged on the slide rail. The main body of the trolley is provided with an axis hole and a connection hole. The connection hole is perpendicular to the extending direction of the axis hole, and the connection hole is connected to the The central axis hole is in communication with the connection hole;

The central shaft is installed in the central shaft hole, and the central shaft is provided with a threaded hole, and the threaded hole is aligned with the connecting hole;

A connecting screw is passed through the connecting hole and matched with the threaded hole; and

The clip group is fixed on one end of the connecting screw, and the clip group is arranged on the main body of the pulley through the connecting screw.

In one of the embodiments, the trolley also includes a positioning clip, and the positioning clip is fixed on the main body of the trolley; the sliding door system also includes a stopper, and the stopper includes a stopper body , a splint and a fixing piece, the main body of the stopper is provided with a jaw matching the positioning clip, the splint is fixed on the main body of the stopper through the fixing piece, and the slide rail is clamped on the Between the splint and the main body of the stopper, the side of the splint clamping the slide rail is serrated.

In the above-mentioned sliding door system, it adopts a buffer device, which can effectively buffer the sliding door through the cooperation of sliding bases, hooks, buffers and other components, and prevent the sliding door from violent collision during the door opening or closing stage, effectively protecting the safety of the user. Personal and property safety.

Description of drawings

Fig. 1 is a schematic structural view of a sliding door system in a preferred embodiment of the present invention;

Fig. 2 is a cross-sectional view of a column plate in the sliding door system shown in Fig. 1;

Fig. 3 is a structural schematic diagram of the buffer device in the sliding door system shown in Fig. 1;

Fig. 4 is a sectional view of the buffer device in the sliding door system shown in Fig. 1;

Fig. 5 is a perspective view of the buffer device in the sliding door system shown in Fig. 1;

Fig. 6 is a perspective view of another state of the buffer device in the sliding door system shown in Fig. 1;

Fig. 7 is a partial structural schematic diagram of the sliding door system shown in Fig. 1;

Fig. 8 is an exploded diagram of the tackle in the sliding door system shown in Fig. 1;

Fig. 9 is an exploded view of the limiter in the sliding door system shown in Fig. 1 .

detailed description

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 , a sliding door system 10 in a preferred embodiment of the present invention includes a slide rail 100 , a buffer device 200 , a trolley 300 , a post-pulling plate 400 and a sliding door 500 .

The buffer device 200 is used for buffering the sliding door 500 . The buffer device 200 is fixed on one end of the slide rail 100 . The trolley 300 is slidably disposed on the slide rail 100 . The sliding door 500 is slidably disposed on the sliding rail 100 through the sliding carriage 300 .

Please also refer to FIG. 2 , the pillar pulling plate 400 is fixed on the pulley 300 , and the pillar pulling plate 400 includes a fixing plate 410 and a pillar pulling 430 . The fixing plate 410 is fixed on the trolley 300 , and the pulling column 430 is arranged on the fixing plate 410 .

Please refer to FIG. 3 and FIG. 4 together. The buffer device 200 includes a housing 210 , a sliding base 230 , a hook 250 and a buffer member 270 .

The casing 210 is a hollow structure. A strip-shaped inner cavity 212 is opened in the housing 210 . The casing 210 is further provided with a sliding groove 214 communicating with the inner cavity 212 , the sliding groove 214 extends along the direction in which the inner cavity 212 extends, and a notch 216 is defined on a side wall of the sliding groove 214 .

The sliding base 230 is disposed in the inner cavity 212 , and the sliding base 230 can slide along the inner cavity 212 . The buffer member 270 is connected with the sliding base 230 .

The draw hook 250 includes a draw hook main body 252 , a pin portion 254 and a positioning post 256 . The pin portion 254 and the positioning protrusion 256 are arranged on the hook main body 252 at intervals, the hook main body 252 is rotatably connected to the sliding base 230 through the pin portion 254 , and the positioning protrusion 256 and the pin portion 254 are slidably disposed in the sliding groove 214 middle. Please also refer to FIG. 5 , the drag hook 250 is further provided with an oblique slot 258 whose opening is staggered from the sliding slot 214 .

The sliding base 230 slides in the inner cavity 212 , and due to the limitation of the side wall of the inner cavity 212 , the pin shaft portion 254 located at the rotation center of the drag hook body 252 can always be located in the sliding groove 214 .

The hook main body 252 rotates so that the positioning post 256 enters the notch 216 from the sliding groove 214 , so that the opening of the oblique groove 258 is consistent with the extending direction of the sliding groove 214 .

When closing the sliding door 500 , the user pushes the sliding door 500 to slide the trolley 300 toward the buffer device 200 . At this time, the positioning post 256 is located in the notch 216 , and the opening of the oblique groove 258 is consistent with the extending direction of the sliding groove 214 . The pulling column 430 installed on the pulley 300 enters the inclined groove 258 through the sliding groove 214 , and exerts pressure on the sidewall of the inclined groove 258 to make the drag hook body 252 rotate. The oblique groove 258 is staggered with the sliding groove 214 , and the positioning protrusion 256 enters into the sliding groove 214 .

It should be pointed out that, in order to facilitate the pulling column 430 to enter the inclined groove 258 through the sliding groove 214, the opening of the sliding groove 214 is provided with an inlet 218 with a width larger than the sliding groove 214, and the pulling column 430 can enter the sliding groove through the inlet 218. 214 in. The notch 216 has a trapezoidal structure, so that the positioning boss 256 can better enter or leave the notch 216 .

In addition, please refer to FIG. 2 again, the pillar pulling plate 400 may further include a flexible sleeve 450 sleeved on the outside of the pillar 430 . The pulling column 430 can be specifically made of metal, and a flexible sleeve 450 is sheathed outside the pulling column 430 to reduce noise and friction when the pulling column 430 cooperates with the buffer device 200 . Specifically, the above-mentioned flexible sleeve 450 may be a nylon sleeve.

Please also refer to FIG. 6 , the main body 252 of the drag hook rotates, and after the oblique groove 258 and the sliding groove 214 are staggered, the drag hook 250 catches the pulling post 430 . The pull hook 250 slides along the sliding groove 214 with the pressure exerted by the pulling column 430. Under the buffer of the buffer member 270, the moving speed of the pulling column 430 is gradually reduced, and then the speed of the sliding door 500 is gradually reduced, so as to realize the slow closing effect. Purpose, the whole sliding door system 10 is effectively protected.

When the sliding door 500 is opened, the user pushes the sliding door 500 , and the pulling post 430 exerts pressure on the sidewall of the inclined groove 258 , so that the pulling post 430 drives the drag hook 250 to slide along the sliding groove 214 . The movement of the pulling column 430 needs to overcome the buffer force of the buffer member 270 , so the buffer member 270 plays a buffer role for the opening of the sliding door 500 . Please refer to Fig. 5 again, when the positioning post 256 slides to the notch 216, because the pulling post 430 exerts pressure on the side wall of the oblique groove 258, so that the drag hook 250 body rotates, the positioning post 256 enters the notch 216, and The direction groove 258 is aligned with the sliding groove 214 again, and the pulling column 430 is smoothly disengaged from the drag hook 250 , and finally completely disengages from the buffer device 200 .

The buffer member 270 may specifically include a cylinder 272 . The cylinder 272 is provided with a piston rod 272a, and the piston rod 272a is connected with the sliding base 230 . Specifically in this embodiment, there are four cylinders 272 . It can be understood that the number of cylinders 272 can be determined according to actual needs, and is not limited to four.

In addition, the buffer member 270 may further include a spring 274 , one end of the spring 274 is connected to the sliding base 230 , and the other end is disposed on the inner wall of the housing 210 . A tension is applied to the sliding base 230 by the spring 274 .

When the sliding door 500 is closed, the cylinder 272 is in an inflated state, and the pulling column 430 pulls the piston rod 272a to move in the cylinder 272 through the sliding base 230 under the pulling force of the spring 274, and the gas in the cylinder 272 is under the action of the air pressure valve. It can only be released slowly in a very small amount, and then slows down the speed at which the pulling post 430 pulls the sliding door 500 to close under the tension of the spring 274, and has the effect of buffering and protecting the sliding door 500.

When the sliding door 500 is opened, the pulling column 430 needs to pull the piston rod 272a to move out of the cylinder 272 through the sliding base 230, and to inflate the inside of the cylinder 272 by doing work. The cylinder 272 applies a pulling force to the pulling column 430 through the piston rod 272a, and at the same time, the spring 274 applies a pulling force to the sliding base 230 to make it move slowly, so as to buffer the sliding door 500 .

Buffers 270 such as spring 274 and cylinder 272 can also keep the positions of pull hook 250 and sliding base 230 when pulling post 430 is detached from pull hook 250, so that when sliding door 500 is closed next time, its pulling post 430 can enter the pull hook smoothly 250 on the inclined groove 258.

Please also refer to FIG. 7 , specifically in this embodiment, the buffer device 200 further includes a bottom plate 290 on which the housing 210 is disposed. A mounting slot 110 is defined on the slide rail 100 , and the bottom plate 290 is locked in the mounting slot 110 .

Please also refer to FIG. 8 , the pulley 300 includes a pulley main body 310 , a central shaft 320 , a connecting screw 330 and a clip set 340 .

The trolley body 310 is slidably disposed on the slide rail 100 . A pulley 350 matching the slide rail 100 can be provided on the trolley 300 . The center shaft hole 312 and the connection hole 314 are defined on the main body 310 of the tackle.

The central shaft 320 passes through the central shaft hole 312 . The central shaft 320 defines a threaded hole 322 . When the center shaft 320 passes through the center shaft hole 312 , the threaded hole 322 is aligned with the connection hole 314 .

The connecting screw 330 passes through the connecting hole 314 and matches with the threaded hole 322 . The clip set 340 is fixed on one end of the connecting screw 330 , and the clip set 340 is arranged on the main body 310 of the pulley through the connecting screw 330 . The clip set 340 is used to connect with the sliding door 500 . Specifically, the clip set 340 includes a front clip 341 , a rear clip 343 and a washer 345 . The front clip 341 and the rear clip 343 are fixed by the fastener 370 , and the sliding door 500 is clamped between the front clip 341 and the rear clip 343 . The spacer 345 is arranged between the front clip 341/rear clip 343 and the side wall of the sliding door 500 to isolate the clip from the glass and increase the clamping friction of the splint.

The main body of the trolley 310 and the clip group 340 are connected through the central shaft 320 and the connecting screw 330 to form a rotatable flexible connection, which can effectively reduce the damage to the trolley 300 caused by the inertia of the sliding door 500 when it moves, and slow down The impact force of the sliding door 500 inertia effectively protects the entire sliding door system 10 .

The trolley 300 also includes a positioning clip 360 , and the positioning clip 360 is fixed on the main body 310 of the trolley. The positioning clip 360 is generally a structure with a wider front end and a narrower rear end.

Please also refer to FIG. 9 , the sliding door system 10 further includes a limiter 600 . The limiter 600 includes a limiter body 610 , a splint 630 and a fixing member 650 . The splint 630 is fixed on the stopper main body 610 through the fixing member 650 , and the slide rail 100 is clamped between the splint 630 and the stopper main body 610 so that the stopper 600 is fixed on the slide rail 100 .

The stopper main body 610 is provided with a clamping opening 612 matched with the positioning clip 360 . The sliding door 500 can be limited by the limiter 600 through the cooperation of the clamping mouth 612 and the positioning clip 360 on the main body of the trolley 310 to keep the sliding door 500 in an open state.

The sides of the clamping plate 630 clamping the slide rail 100 are serrated to increase the friction between the clamping plate 630 and the slide rail 100 and prevent the sliding door 500 from driving the limiter 600 to move when opening and closing.

In the above-mentioned sliding door system 10, the buffer device 200 is adopted, and the sliding base 230, the hook 250, the buffer member 270 and other components cooperate to effectively buffer the sliding door 500 and prevent the sliding door 500 from violent vibration during the opening or closing stage. Collision, effectively protecting the user's personal and property safety.

The technical features of the above embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be It is considered to be within the range described in this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A buffer device, characterized in that, comprising: The housing is a hollow structure, the housing is provided with a strip-shaped inner cavity, and the housing is also provided with a sliding groove communicating with the inner cavity, and the sliding groove extends along the direction in which the inner cavity extends, There is also a notch on the side wall of the sliding groove; a sliding base, arranged in the inner cavity, and the sliding base can slide along the inner cavity; A draw hook, the draw hook includes a draw hook main body, a pin shaft portion and a positioning post, the pin shaft portion and the positioning post are arranged on the draw hook main body at intervals, and the draw hook main body passes through the pin shaft portion and the positioning post. The sliding base is rotatably connected, the positioning boss and the pin shaft are slidably arranged in the sliding groove, and the pull hook is also provided with an oblique groove whose opening is staggered from the sliding groove; and a buffer member connected to the sliding base; Wherein, when the sliding base slides in the inner cavity, the pin shaft part is always located in the sliding groove, and the main body of the drag hook rotates, so that the positioning protrusion enters the gap from the sliding groove , so that the opening of the oblique slot coincides with the extending direction of the sliding slot. 2 . The buffer device according to claim 1 , wherein the buffer member comprises a cylinder, and a piston rod is arranged on the cylinder, and the piston rod is connected to the sliding base. 3 . 3. The buffer device according to claim 2, wherein the buffer member further comprises a spring, one end of the spring is connected to the sliding base, and the other end is arranged on the inner side wall of the housing. 4. The cushioning device according to claim 1, wherein the notch is a trapezoidal structure. 5 . The buffer device according to claim 1 , wherein the opening of the sliding groove is provided with an introduction opening wider than the sliding groove. 5 . 6. A sliding door system, characterized in that it comprises: slide rail; The buffer device according to any one of claims 1 to 5, wherein the buffer device is fixed at one end of the slide rail; a trolley, slidably arranged on the slide rail; A post-pulling plate fixed on the tackle, the post-pulling plate comprising a fixed plate fixed on the trolley and a post set on the fixed plate; and The sliding door is slidably arranged on the slide rail through the pulley; Wherein, when the opening of the oblique groove is consistent with the extending direction of the sliding groove, the pulley slides toward the buffer device, so that the pulling column enters the oblique groove through the sliding groove, And apply pressure to the side wall of the oblique groove to rotate the main body of the drag hook, the oblique groove and the sliding groove are staggered, and the positioning boss enters the sliding groove. 7 . The sliding door system according to claim 6 , wherein the column-drawing plate further comprises a flexible sleeve, and the flexible sleeve is sleeved on the outside of the column. 8 . 8. The sliding door system according to claim 6, wherein the buffer device further comprises a bottom plate, the housing is arranged on the bottom plate, and an installation groove is opened on the slide rail, and the bottom plate clamps set in the installation groove. 9. The sliding door system according to claim 6, wherein the trolley comprises: The main body of the pulley is slidably arranged on the slide rail, and the main body of the pulley is provided with a central axis hole and a connecting hole, the connecting hole is perpendicular to the extending direction of the central axis hole, and the connecting hole is connected to the The central axis hole is in communication with the connecting hole; The central shaft is installed in the central shaft hole, and the central shaft is provided with a threaded hole, and the threaded hole is aligned with the connecting hole; A connecting screw is passed through the connecting hole and matched with the threaded hole; and The clip group is fixed on one end of the connecting screw, and the clip group is arranged on the main body of the pulley through the connecting screw. 10. The sliding door system according to claim 9, wherein the trolley further comprises a positioning clip, and the positioning clip is fixed on the main body of the trolley; the sliding door system further comprises a limiter, The stopper includes a stopper main body, a splint and a fixing piece. The stopper main body is provided with a jaw matching the positioning clip, and the splint is fixed on the stopper main body through a fixing piece. , and the slide rail is clamped between the splint and the stopper main body, and the sides of the splint clamping the slide rail are serrated.