CN207847440U - Folding sliding doors - Google Patents

Abstract

The utility model discloses a kind of folding sliding doors, including doorframe, one side of doorframe is hinged with first door leaf, the side of first door leaf is hinged with transition door-plate, the side of transition door-plate is hinged with the second door leaf, the side of second door leaf is hinged with the guiding door-plate being slidably connected on doorframe, screwing adjusting nut makes screw rod move up, top sheave is set to move up, the position that top sheave can thus be adjusted at any time, avoids top sheave from being detached from sliding way, and the utility model can improve the flexibility ratio of folding door, and it is simple in structure, it is easy to operate.

Description

folding sliding door

technical field

The utility model relates to a folding sliding door.

Background technique

Sliding doors are commonly used in homes, offices, shopping malls and other places. The feature of sliding doors is that they do not need to be turned over, so they take up little space. However, sliding doors move horizontally, so they take up a lot of space in the horizontal direction. In order to solve this problem, people Folding sliding doors with various structures have been designed. However, these folding sliding doors have complex structures, and the top pulleys are easy to slide under the weight of the door body, which affects the sliding of the door. Therefore, the flexibility of the existing folding sliding doors is not enough.

Utility model content

The technical problem to be solved by the utility model is to provide a folding sliding door for the above defects. The folding sliding door has high sliding flexibility, simple structure and convenient operation.

In order to solve the above-mentioned technical problems, the folding sliding door of the present invention includes a door frame, a first door leaf is hinged on one side of the door frame, and its structural feature is that a transition door panel is hinged on the side of the first door leaf, and the transition door panel The side of the second door leaf is hinged with a second door leaf, and the side of the second door leaf is hinged with a guide door panel that is slidably connected to the door frame; the lower part of the guide door panel is provided with a lower pulley that is slidably connected to the bottom of the door frame. The upper part is provided with a height-adjustable upper pulley, and the upper pulley is slidably connected to the upper part of the door frame; a locking device is provided between the transitional door panel and the door frame.

A guide sleeve is installed on the side of the guide door panel, and a screw is screwed inside the guide sleeve, and an adjusting nut is provided on the upper extension end of the screw rod, and a swivel seat is fixedly connected to the upper end of the screw rod, and the upper pulley rotates Connected to the transposable.

A top block is screwed to the lower end of the screw rod, and a damping spring set on the screw rod is arranged between the top block and the guide sleeve.

The transitional door panel is a hollow structure, and the locking device includes a gear connected to the middle of the inner cavity of the transitional door panel through a drive shaft. An upper link and a lower link parallel to the upper link are arranged in the inner cavity of the transitional door panel. The upper link The lower part of the gear is provided with a gear rack, the inner wall of the transition door is provided with a stopper, and a return spring is provided between the stopper and the lower end of the upper link, and the upper end of the upper link extends out of the transition door. The upper part of the door frame is provided with an upper card slot that matches the upper end of the upper link; the upper part of the lower link is provided with a rack that meshes with the gear, and the inner wall of the transitional door panel is provided with a stopper, which is connected with the upper end of the lower link. A return spring is arranged between the parts, the lower end of the lower link extends out of the transitional door panel, and the lower part of the door frame is provided with a lower card slot that matches the lower end of the lower link.

A handle is rotatably connected to the side wall of the transition door panel, and the handle is connected to the drive shaft of the gear through a connecting shaft.

The upper end of the upper connecting rod is an arc-shaped slope; the lower end of the lower connecting rod is an arc-shaped slope.

The upper part of the door frame is provided with an upper slideway, and the upper pulley is slidably connected to the upper slideway.

The bottom of the door frame is provided with a glideway, and the lower pulley is slidably connected to the glideway.

Compared with the prior art, the utility model has the following advantages: screw the adjusting nut to move the screw rod upwards and the upper pulley to move upwards, so that the position of the upper pulley can be adjusted at any time to avoid the upper pulley from the upper slideway. The utility model can The flexibility of the folding door is improved, and the structure is simple and the operation is convenient.

In summary, the utility model has high push-pull flexibility, simple structure and convenient operation.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the opening state figure of the utility model;

Fig. 3 is a cross-sectional view of a transitional door panel;

Fig. 4 is the right view of Fig. 3;

Fig. 5 is a connection relationship diagram between the second door leaf and the guide door panel;

Fig. 6 is the right view of guide door panel in Fig. 5;

Fig. 7 is a schematic structural view of the upper slideway;

Fig. 8 is a structural schematic diagram of the glide path;

Fig. 9 is an enlarged view of A in Fig. 1 .

Detailed ways

As shown in Figure 1, Figure 2 and Figure 9, the folding sliding door includes a door frame 1, one side of the door frame 1 is hinged with a first door leaf 2 through a hinge, and the side of the first door leaf 2 is hinged through a hinge There is a transitional door panel 3, and the side of the transitional door panel 3 is hinged with a second door leaf 4. In this embodiment, the middle parts of the first door leaf 2 and the second door leaf 4 are transparent glass. The side portion of the second door leaf 4 is hinged with a guide door panel 5 that is slidably connected to the door frame 1 through a hinge. As shown in Figure 5, Figure 6, Figure 7 and Figure 8, the bottom of the guide door panel 5 is provided with a lower pulley 51 that is slidably connected to the bottom of the door frame 1. In this embodiment, the bottom of the guide door panel 5 is provided with a groove, and the lower pulley 51 Connected on the inner wall of the groove through the rotation of the rotating shaft, the bottom of the door frame 1 is provided with a glide path 12, and the lower pulley 51 is slidably connected on the glide path 12, and the connection relationship between the lower pulley 51 and the glide path 12 is the present embodiment. There are technologies, so I won't repeat them here. As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, a height-adjustable upper pulley 52 is provided on the top of the guide door panel 5, and the upper pulley 52 is slidably connected to the top of the door frame 1, and the top of the door frame 1 is provided with an upper slideway 11. The upper pulley 52 is slidably connected to the upper slideway 11. In this embodiment, the connection relationship between the upper pulley 52 and the upper slideway 11 is the prior art, and will not be repeated here. In this embodiment, the side of the guide door panel 5 is equipped with a guide sleeve 59, and the side of the guide sleeve 59 is provided with a mounting plate. , the upper end of the screw 50 is provided with an adjusting nut 53, the upper end of the screw 50 is fixedly connected with a swivel seat, and the upper pulley 52 is rotatably connected to the swivel seat. Since the sliding door itself has a relatively large weight, it may cause the upper pulley to be damaged when used for a long time. 52 pulls down, thereby affecting the sliding of upper pulley 52, at this moment, screw rod 50 can be screwed up to move screw rod 50, and upper pulley 52 is moved upwards at this moment, just can adjust the position of upper pulley 52 at any time like this, avoids that upper pulley 52 breaks away from upper pulley. Slide 11. The lower end of the screw rod 50 is screwed with a top block 54, and a damping spring 55 sleeved on the screw rod 50 is provided between the top block 54 and the guide sleeve 59. The damping spring 55 can act on the upper pulley 52 during the adjustment process. Certain vibration reduction. As shown in Figure 5, the side of the second door leaf 4 is provided with a draw-in groove 40 that can accommodate the guide sleeve 59. When the folding door is closed as a whole, the guide sleeve 59 will enter the draw-in groove 40 and make the second door leaf 4 The side of the side and the side of the guide door panel 5 are closely attached to realize sealing.

As shown in FIG. 5 and FIG. 6 , a locking device is provided between the transitional door panel 3 and the door frame 1 . The transition door panel 3 is a hollow structure, and the locking device includes a gear 30 that is rotatably connected to the middle part of the inner cavity of the transition door panel 3 through a drive shaft. The shaft is connected, that is, the handle 37 can drive the gear 30 to rotate. An upper link 31 and a lower link 32 parallel to the upper link 31 are arranged in the inner cavity of the transition door panel 3. The upper link 31 and the lower link 32 are arranged at intervals, and the bottom of the upper link 31 is provided with a gear 30 meshed with the upper link 31. Rack, the inner wall of the transition door panel 3 is provided with a retaining seat 33, a return spring 34 is provided between the retaining seat 33 and the lower end of the upper link 31, and the upper end of the upper link 31 stretches out of the transition door panel 3, and the upper link The upper end of 31 is an arc-shaped inclined surface, and the upper part of the door frame 1 is provided with an upper card slot 35 matched with the upper extension end of the upper connecting rod 31 . When the upper end of the upper link 31 is in contact with the side of the door frame 1, under the action of the extrusion force, the upper link 31 moves downward, the return spring 34 is compressed, and the upper link 31 moves downward under the action of the arc-shaped inclined surface. The upper end will slide down into the upper slot 35 for positioning. As shown in Figures 5 and 6, the upper part of the lower connecting rod 32 is provided with a rack meshed with the gear 30, and the inner wall of the transition door panel 3 is provided with a stopper 33, between the stopper 33 and the upper end of the lower link 32. A return spring 34 is provided, the lower end of the lower link 32 protrudes from the transitional door panel 3, the lower end of the lower link 32 is an arc-shaped inclined surface, and the lower part of the door frame 1 is provided with a lower card slot that cooperates with the lower end of the lower link 32 36. When the upper end of the lower link 32 is in contact with the side of the door frame 1, under the action of extrusion force, the lower link 31 moves upward, the return spring 34 is compressed, and the upper end of the lower link 32 will move under the action of the arc-shaped inclined surface. Slide down into the lower draw-in groove 36 to realize positioning.

Switching process: Push the transition door panel 3 inwards through the handle 37 to make the upper and lower pulleys roll. When the side of the guide door panel 5 contacts the side of the door frame 1, the first door leaf 2 and the second door leaf 4 are stretched. At this time, the upper link 31 The upper extension end is clipped into the upper card slot 35, and the lower end of the lower link 32 is clipped into the lower card slot 36 to realize the locked state of the sliding door; the handle 37 is turned to make the gear 30 drive the upper and lower links downward respectively. , move upward, so that the upper and lower ends of the upper link are separated from the upper slot 35 and the lower slot 36 respectively, and the transition door panel 3 is pulled outward by the handle 37, so that the first door leaf 2 and the second door leaf 4 are in a folded state , so that the door can be opened. The utility model can improve the flexibility of the folding door, and has simple structure and convenient operation.

The above descriptions are specific structural forms of the present utility model, and the present utility model is not limited by the foregoing embodiments.

Claims (8)

1. a kind of folding sliding doors, including doorframe（1）, the doorframe（1）A side be hinged with first door leaf（2）, feature It is：The first door leaf（2）Side be hinged with transition door-plate（3）, the transition door-plate（3）Side be hinged with the second door leaf （4）, second door leaf（4）Side be hinged with and be slidably connected at doorframe（1）On guiding door-plate（5）；The guiding door-plate （5）Lower part be equipped be slidably connected at doorframe（1）The lower sheave of lower part（51）, the guiding door-plate（5）Top be equipped with height Adjustable top sheave（52）, the top sheave（52）It is slidably connected at doorframe（1）Top；The transition door-plate（3）With doorframe （1）Between be equipped with locking system.

2. folding sliding doors according to claim 1, it is characterized in that：The guiding door-plate（5）Side guiding is installed Sleeve（59）, the pilot sleeve（59）Inside it is bolted with screw rod（50）, the screw rod（50）Up extension end be equipped with adjusting nut （53）, the screw rod（50）Upper end be connected with swivel base, top sheave（52）It is rotatably connected on swivel base.

3. folding sliding doors according to claim 2, it is characterized in that：The screw rod（50）Lower end be bolted with jacking block （54）, the jacking block（54）With pilot sleeve（59）Between be equipped be sleeved on screw rod（50）On shock-absorbing spring（55）.

4. folding sliding doors according to claim 3, it is characterized in that：The transition door-plate（3）For hollow structure, locking dress It sets including being connected to transition door-plate by drive shaft turns（3）Gear in the middle part of inner cavity（30）, transition door-plate（3）It is equipped in inner cavity Upper connecting rod（31）With with upper connecting rod（31）Parallel lower link（32）, upper connecting rod（31）Lower part be equipped with and gear（30）Engagement Rack, transition door-plate（3）Inner wall be equipped with block seat（33）, block seat（33）With upper connecting rod（31）Lower end between be equipped with reset Spring（34）, the upper connecting rod（31）Upper end stretch out transition door-plate（3）, doorframe（1）Top be equipped with and upper connecting rod（31） The upper card slot of up extension end cooperation（35）；Lower link（32）Top be equipped with and gear（30）The rack of engagement, transition door-plate（3）'s Inner wall is equipped with block seat（33）, block seat（33）With lower link（32）Upper end between be equipped with resetting spring（34）, the lower company Bar（32）Lower end stretch out transition door-plate（3）, doorframe（1）Lower part be equipped with and lower link（32）The lower bayonet slot of lower extending end cooperation （36）.

5. folding sliding doors according to claim 4, it is characterized in that：The transition door-plate（3）Side wall on be rotatablely connected There is handle（37）, handle（37）Pass through connecting shaft and gear（30）Driving axis connection.

6. folding sliding doors according to claim 5, it is characterized in that：The upper connecting rod（31）Upper end be arc it is oblique Face；The lower link（32）Lower end be curve slope.

7. folding sliding doors according to claim 1, it is characterized in that：The doorframe（1）Top be equipped with sliding way（11）, The top sheave（52）It is slidably connected at sliding way（11）On.

8. folding sliding doors according to claim 1, it is characterized in that：The doorframe（1）Lower part be equipped with glide path（12）, The lower sheave（51）It is slidably connected at glide path（12）On.