CN106285305A - Same direction synchronous linkage device and same direction synchronous linkage door - Google Patents

Abstract

The present invention discloses a same-direction synchronous linkage device, which is used to connect a first door leaf and a second door leaf and keep multiple door leaves in the same-direction synchronous linkage, and includes a pulley assembly and a belt entrainment assembly, each group of the pulley assembly includes a pair of synchronous wheels installed on both sides of the top of the first door leaf and a synchronous belt that cooperates with the synchronous wheels for transmission; the belt entrainment assembly is connected to the synchronous belt, and includes at least one first belt entrainment assembly for connecting to the second door leaf, and at least one second belt entrainment assembly for connecting to a wall or door frame close to the first door leaf. The same-direction synchronous linkage device provided by the present invention has the characteristics of good synchronization effect, good stability, simple structure and easy installation and maintenance. In addition, it also relates to a same-direction synchronous linkage door using the same-direction synchronous linkage device, which has the characteristics of good door leaf fit, good adaptability and easy installation and maintenance.

Description

Same direction synchronous linkage device and same direction synchronous linkage door

technical field

The invention relates to the technical field of moving doors, in particular to a synchronous linkage device in the same direction and a synchronous linkage door in the same direction.

Background technique

At present, multi-leaf linkage sliding doors are more and more popular due to their advantages of beauty, space saving, convenient pushing and pulling, lightness and labor saving.

However, during use, people will find that the transmission methods adopted by the existing linkage sliding door structures on the market are mostly steel wire transmission, and some use synchronous gear and rack transmission. These transmission methods will bring certain problems. The use of steel wire transmission will cause slippage during the push-pull process. The steel wire is mostly round, and the fastening connection effect is not good and it is easy to fall off. Moreover, the surface of the transmission part will become very smooth after long-term use, and the slipping phenomenon will be more serious, which makes The synchronous movement effect of the linkage door becomes very poor. The use of synchronous gear and rack transmission will have the problems of complicated installation and debugging, and inconvenient maintenance in the later period.

In addition, the synchronous connectors are either fixed in position and cannot be adjusted, or have a bulky structure that wastes materials.

Contents of the invention

Based on this, it is necessary to provide a simple and reliable co-direction synchronous linkage device and a co-direction synchronous linkage door using the same-direction synchronous linkage device for the problems of poor synchronous movement effect of traditional linkage sliding doors and inconvenient installation and debugging. .

A synchronous linkage device in the same direction, used to connect the first and second door leaves and keep multiple door leaves synchronously linked in the same direction, including at least one set of pulley assemblies and entrainment assemblies; each set of pulley assemblies includes A pair of synchronous wheels installed on both sides of the top of the first door leaf and a synchronous belt cooperating with the synchronous wheel; the entrainment assembly The entrainment assembly is connected to the synchronous belt and includes at least one first door leaf for connection with the second door leaf. A clip assembly, and at least one second clip assembly for connecting to a wall or door frame adjacent to the first door leaf.

In one of the embodiments, both the first entrainment assembly and the second entrainment assembly include a movable connection end detachably connected to the timing belt and a fixed end for connecting the movable connection end to the door leaf, wall or door frame, so The movable connection end is movably connected with the fixed end so that the fixed position of the movable connection end can be adjusted along the thickness direction of the door leaf.

In one of the embodiments, the movable connection end includes a vertical piece and a transverse piece bent transversely along the lower end of the vertical piece, the vertical piece is connected with the timing belt, and the horizontal piece is connected with the fixed end connection, with screw holes on it; the fixed end is a few-shaped plate, and a longitudinally long chute is opened at the position corresponding to the screw hole in the middle, so as to pass through the screw hole and slide with the help of threaded connectors. The groove realizes the connection between the movable connection end and the fixed end.

In one of the embodiments, the movable connection end further includes clips, at least one clip is provided, and each clip is provided with a through hole; the clip is provided with a protrusion facing the vertical piece The vertical piece is provided with a groove matching the protrusion, and the vertical piece is also provided with a mounting hole corresponding to the position of the through hole, and the clip and the vertical piece are connected by threads The clips are connected to the synchronous belt.

In one of the embodiments, at least one limiting slot for engaging the synchronous belt is provided under the through hole.

In one embodiment, the middle part of the fixed end is arched upwards to define a gap matched with the transverse piece, and the transverse piece is inserted into the gap and connected to the screw hole through the sliding groove by means of a screw.

In one of the embodiments, the second clamping assembly includes an S-shaped mounting piece and a clamping piece, one end of the mounting piece is used to connect with the wall or door frame, and the other end is connected to the clamping piece by means of The threaded connecting piece is connected, and the timing belt is clamped between the mounting piece and the clamping piece.

In one embodiment, at least one positioning hole is provided at one end of the mounting sheet for connecting with the wall or door frame, a first connection through hole is provided at the other end of the mounting sheet, and a second through hole is provided on the clamping sheet. Two connecting through holes, the mounting piece and the clamping piece are connected through the first connecting through hole and the second connecting through hole by means of a threaded connection, and the horizontal direction of the clamping piece is provided on both sides facing the mounting piece. of bumps.

In one of the embodiments, the protrusion is further provided with a boss, and the mounting piece is provided with a snap-in groove corresponding to the boss to engage with it.

The structure of the synchronous linkage device in the same direction is simple, the fixed end and the connecting end are in surface contact, the connection is more stable and reliable, and it contains a variable and adjustable structural design, which makes the adjustment of the connection relationship more convenient and can meet the needs of different situations. Assembly requirements.

A synchronous linkage door in the same direction, comprising a door leaf and a door frame, the door frame includes an upper door frame and a lower door frame, the top of the door leaf is provided with a pulley block, the upper door frame is provided with a slide rail matching the pulley block, and the lower door frame is provided with a sliding rail matching the door leaf The matching guide rail also includes the above-mentioned synchronous linkage device in the same direction; the door leaf includes a first door leaf and a second door leaf, and the top of the first door leaf is provided with the pulley assembly; at least one first entrainment assembly and the second door leaf To connect, at least one second entrainment assembly is connected to the wall or door frame adjacent to the first door leaf.

The same-direction synchronous linkage door can easily realize the synchronous linkage of two doors in the same direction, and the linkage transmission is accurate and stable, which overcomes the problem that the traditional linkage door transmission method is easy to slip and makes the synchronization effect of the linkage door poor. At the same time, the synchronous linkage door in the same direction has a simple structure and is convenient for installation and maintenance.

In one of the embodiments, the pulley set includes a hanging assembly fixed on the top of the door leaf, a roller assembly arranged in the slide rail and sliding therein, and connecting the hanging assembly and the roller assembly The clamping bolt; the hanging assembly is provided with a slot matching the clamping bolt, and one end of the clamping bolt is clamped in the clamping slot; the roller assembly includes a roller bracket and is supported on a roller The roller on the bracket, the roller bracket is provided with a connection part matching the locking bolt, and the other end of the locking bolt is connected to the connecting part.

In one of the embodiments, the suspension assembly includes a suspension base, a self-locking slide and a return spring; the suspension base is a several-shaped plate, the top of which is provided with an opening extending from one side to the middle, The top of the hanging film is provided with a first empty slot and at least two positioning holes, and one end of the first empty slot is provided with a first bump; the self-locking slide is provided with a V-shaped slot, and the snap One side of the slot opens to the edge of the self-locking slide, and the end of the other side of the slot corresponds to the inner space of the opening on the hanging film, and the self-locking slide is provided with a corresponding to the positioning hole. Guide groove, the self-locking sliding piece is also provided with a second empty slot corresponding to the position of the first empty slot, and a second protrusion is provided at one end of the second empty slot; the return spring is arranged at the second The space formed by the first empty slot and the second empty slot is connected to the first bump and the second bump respectively at both ends.

In one of the embodiments, a door stop assembly is further provided in the slide rail, and the pulley set is slidably engaged with or separated from the door stop assembly.

In one of the embodiments, the door stop assembly includes a door stop frame body, a door stop elastic piece and a spring piece screw, the door stop elastic piece is a W-shaped elastic piece, and one end is engaged with the door stop frame body, and the elastic piece The screw is arranged on the door stop frame body, and the distance between the door stop shrapnel and the door stop frame body can be adjusted by the screw-in range of the shrapnel screw, so as to adapt to the door stop strength of different door weights. The other end of the door stop shrapnel can be The elastic fastening is engaged on the roller assembly.

In one of the embodiments, the door stop assembly further includes a buffer block, and the buffer block is arranged on a side of the door stop frame body close to the pulley block.

In one of the embodiments, a limit assembly is provided on the bottom of the first door leaf near the side of the second door leaf, and the limit assembly includes a mounting seat and a guide seat, and the guide seat and the mounting seat An adjustable spacing space is formed between them.

In one of the embodiments, the mounting seat includes a vertical plate and a flat plate connected to each other, the guide seat includes a backing plate, and the backing plate and the horizontal plate are fixed by screws; the flat plate is formed by the lower end of the vertical plate Formed by transverse bending, the flat plate is provided with a first straight groove, a second straight groove and a third straight groove through the thickness direction of the flat plate; the backing plate is provided with threads corresponding to the position of the second straight groove hole, and two limit pins that can pass through the first straight groove and the third straight groove are also arranged on the backing plate, and a runner that can rotate around its central axis is sleeved on the limit pin , the rotating wheel and the vertical plate define the limiting space.

In one embodiment, the door leaf further includes a third door leaf, the pulley assembly is provided at the top of the third door leaf, and the entrainment assembly is provided at the top of the second door leaf near the third door leaf.

Compared with the prior art, the present invention has the following advantages:

1. In the same-direction synchronous linkage device of the present invention, since the transmission of the synchronous pulley and the synchronous belt in the pulley assembly is realized through gear meshing, there will be no relative slippage, the synchronous effect is good, and multiple fan can be accurately realized. Door synchronization.

2. In the same-direction synchronous linkage door of the present invention, multiple components are set as installation components whose positions can be adjusted, which can easily adapt to the requirements of different installation environments and has strong versatility.

3. In the same-direction synchronous linkage door of the present invention, the synchronous pulley and timing belt are not only light but also simple in structure. In addition, the linkage door is also provided with other parts that facilitate installation and disassembly, so the installation and debugging are very convenient.

4. The same-direction synchronous linkage door of the present invention can realize the even overlapping of the door leaf, and the door leaf and the door frame have a good bonding effect.

Description of drawings

Fig. 1 is a perspective view of the same-direction synchronous linkage door according to an embodiment of the present invention, showing the assembly relationship between the door leaf and the same-direction synchronous linkage device;

2 is a perspective view of an entrainment assembly according to an embodiment of the present invention;

Fig. 3 is a perspective view of another embodiment of the entrainment assembly of the present invention;

4 is a perspective view of a second entrainment assembly according to an embodiment of the present invention;

Fig. 5 is an exploded view of the pulley block of the present invention;

Figure 6 is an exploded view of the hanging assembly of the present invention;

Figure 7 is an exploded view of the door stop assembly of the present invention;

Fig. 8 is a perspective view of the limiting assembly of the present invention;

Fig. 9 is a perspective view of a three-leaf synchronous linkage door in the same direction according to an embodiment of the present invention.

detailed description

The present invention will be further described below with reference to the accompanying drawings and exemplary embodiments, wherein the same reference numerals in the accompanying drawings all refer to the same components. Also, detailed descriptions of known arts will be omitted if they are unnecessary to illustrate the features of the present invention.

As shown in FIG. 1 , the same-direction synchronous linkage device 100 of the present invention is mainly used to realize the same-direction synchronous joint movement of two objects, for example, the first door 110 and the second door 120 in at least two door leaves 200 Connect, and make the door leaf 200 keep synchronous linkage in the same direction.

The synchronous linkage device 100 includes at least one set of pulley assembly 1000 and entrainment assembly 2000 .

Each set of pulley assemblies 1000 includes a pair of synchronous pulleys 1100 installed on both sides of the top of the first door leaf 210 and a synchronous belt 1200 cooperating with the synchronous pulleys 1100 for transmission.

As for the entrainment assembly 2000, one end of the entrainment assembly is connected to the timing belt 1200, and the other end is used to connect with the door leaf, door frame or wall. The entrainment assembly 2000 includes a first entrainment assembly 2000' and a second entrainment assembly 2000", wherein at least one first entrainment assembly 2000' is used to connect with the second door leaf 220, and at least one second entrainment assembly 2000" is used to It is connected with the wall or the door frame close to the first door leaf 210 .

In the present invention, through the pulley assembly 1000 and the entrainment assembly 2000, the mutual connection between the first door leaf 210, the second door leaf 220 and the door frame or wall is realized, and the connection between the first door leaf 210 and the second door leaf 220 is realized. Synchronous linkage in the same direction.

The same-direction synchronous linkage realization process of the door leaf 200 is as follows:

By pushing the second door leaf 220, since the first entrainment assembly 2000' connects the second door leaf 220 and the pulley assembly 1000 (specifically, a timing belt) installed on the first door leaf 210, the timing belt 1200 on the pulley assembly 1000 is wound around The synchronous wheel 1100 runs, thereby can drive the second entrainment assembly 2000 " that is connected on the synchronous belt 1200 " to move, but the second entrainment assembly 2000 " is connected on the wall that cannot move or door frame, thus can only make the pulley assembly 1000 Relative to the wall or door frame movement, and the pulley assembly 1000 is installed on the first door leaf 210, so that the first door leaf 210 moves relative to the wall or door frame, so as to realize the movement of the second door leaf 220, the first door leaf 210 and the first door leaf 210 The second door leaf 220 moves to one side synchronously.

Similarly, by pushing the first door leaf 210, since the top pulley assembly 1000 is connected to the wall or door frame through the second clamping assembly 2000", and the wall or door frame is fixed, the top pulley assembly In 1000, the synchronous belt 1200 rotates around the synchronous wheel 1100, and the rotating synchronous belt 1200 then drives the first entrainment assembly 2000' connected to it to move, and the first entrainment assembly 2000' is connected to the second door leaf 220, thereby realizing the second The final effect of the movement of the door leaf 220 is to push the first door leaf 210 to realize the synchronous movement of the first door leaf 210 and the second door leaf 220 to one side.

The same-direction synchronous linkage device of the present invention can realize the same-direction synchronous linkage of the first and second door leaves, and the part that is matched with the synchronous wheel is a synchronous belt, and the teeth of the two are meshed with each other, and the connection is relatively stable. There will be a problem that the synchronous belt falls off from the synchronous wheel to affect the movement of the door leaves, which can ensure the accuracy and stability of the synchronous linkage of the door leaves in the same direction.

Preferably, the entrainment assembly 2000 includes a movable connection end 2100 and a fixed end 2200 , the movable connection end 2100 is movably connected with the fixed end 2200 so that the movable connection end 2100 can adjust its fixed position along the thickness direction of the door leaf 200 .

Wherein, the fixed end of the first entrainment assembly 2000' is fixedly connected to the second door leaf 220, the fixed end of the second entrainment assembly 2000" is fixedly connected to the wall or door frame close to the first door leaf 210, and the movable connection end 2100 adopts It is detachably connected to the timing belt 1200. The advantage of the adjustable position of the entrainment assembly 2000 is that the entrainment assembly 2000 can be applied to door leaves of different thicknesses, and the timing belt 1200 can also be reasonably adjusted within a certain range. The degree of tightness further ensures the synchronous meshing movement of the synchronous belt 1200 and the synchronous wheel 1100 .

Preferably, the movable connection end 2100 is approximately L-shaped, including a vertical piece 2110 and a horizontal piece 2120 bent along the lower end of the vertical piece 2110 . Wherein, the vertical piece 2110 is connected with the synchronous belt 1200 , and the horizontal piece 2120 is provided with screw holes 2120 .

The fixed end 2200 is a several-shaped plate, and the position corresponding to the screw hole 2121 on the horizontal piece 2120 of the movable connection end 2100 in the middle of the plate is provided with a longitudinally elongated chute 2210, to use threaded connectors (such as screw) through the screw hole 2121 and the slide groove 2210 to realize the connection between the movable connection end 2100 and the fixed end 2200.

Preferably, the screw hole 2121 is a threaded hole, and the middle part of the plate at the fixed end 2200 is arched upwards, thus forming a gap with the door leaf 200 or the wall or the door frame, and the transverse piece 2120 can be inserted into the gap, and then passed through by a screw after insertion The sliding groove 2210 cooperates with the threaded hole to connect the horizontal piece 2120 with the fixed end 2200 .

In this way, the horizontal piece 2120 and the several-shaped plate are connected through surface contact, instead of simply relying on screw connection, so that the contact area is larger, the connection is stronger, the connection strength is higher, and there is no need to use thicker The material is used to make the fixed end and the movable connecting end, so the material is saved, and the connecting piece entrainment assembly 2000 is lighter.

As a preferred solution, as shown in FIG. 3 , the movable connection end 2100 directly includes clips 2140 , and at least two are provided. A through hole 2141 is provided on the clips 2140 . Mounting holes 2112 corresponding to the positions of the through holes 2141 are provided on the 2110, and the clamping piece 2140 is connected to the stand piece 2110 by means of threaded connectors such as bolts, nuts or screws. In order to prevent the clamp piece 2140 from moving relative to the vertical piece 2110, a protrusion 2142 facing the vertical piece 2110 is set on the clamp piece 2140, and a groove 2113 matching the protrusion 2142 is set on the vertical piece 2110, so that when When the clip 2140 is connected to the stand piece 2110, the protrusion 2142 is inserted into the groove 2113, so that the relative position of the clip 2140 and the stand piece 2110 can be completely fixed.

Preferably, near the through hole 2141 of the clip 2140, there is also at least one limiting groove 2143 that can be engaged and connected with the synchronous belt 1200 in the synchronous linkage device. Since the synchronous belt 1200 is generally a toothed belt, the synchronous belt 1200 The teeth engage in the limiting groove 2143, so that the relative positions of the synchronous belt 1200 and the clip 2140 are completely fixed, which further prevents the relative movement of the synchronous belt 1200 and the entrainment assembly, making the structure more stable.

The design of the above-mentioned entrainment assembly can prevent the problem of loosening and falling off of the screws caused by the long-term movement of the timing belt 1200, and the clip 2140 is changed from a whole to two splits so that it can be adjusted separately, which further facilitates installation and debugging.

As a preferred solution, as shown in Figure 4, the second clamping assembly 2000" can also be designed separately, including a mounting piece 2100" and a clamping piece 2200". The mounting piece 2100" is S-shaped, and one end of it is connected to the wall or on the door frame, and the other end is connected with the clamping piece 2200" through a threaded connection, and the timing belt 1200 is clamped between the mounting piece 2100" and the clamping piece 2200", realizing the synchronous belt 1200 and the second clamping assembly 2000". connect. The second entrainment assembly 2000" is used to form a relative connection between the synchronous linkage device and the wall or door frame, the structure is simpler, the material is less, and the installation is more convenient. Preferably, at least one positioning hole 2120 is provided on one end of the mounting piece 2100" ", the mounting piece 2100" is fixed on the wall or door frame by screws, iron nails or steel nails, and the other end is provided with a first connection through hole 2110", and the clamping piece 2200" is correspondingly provided with a second Two connecting through-holes 2210 ", through the threaded connector passing through the first connecting through-hole 2110 " and the second connecting through-hole 2210 ", the mounting piece 2100 " is connected with the clamping piece 2200 ". In order to make the installation more convenient, also In order to make the clamping piece 2200" clamp the synchronous belt 1200 more firmly, the two sides of the clamping piece 2200" in the horizontal direction are provided with protrusions 2220" facing the mounting piece 2100", and the protrusions 2220" can be Embedding in the tooth groove of the synchronous belt 1200, the relative position of the synchronous belt 1200 and the clamping piece 2200" is fixed by means of the tooth groove, and such a protrusion 2220" can be adopted to bend both sides of the clamping piece 2200" towards the mounting piece 2100". way to achieve.

Preferably, a boss 2221" is also provided on the protrusion 2220", and a snap-in slot 2130" corresponding to the position of the boss 2221" is provided on the mounting piece 2100". Usually, the clip The width of 2200" is greater than the width of the synchronous belt 1200, so the clamping piece 2200" holding the synchronous belt 1200 generally has a redundant part, and a boss 2221" is set on the bump 2220" of the clamping piece 2200". , and the card is inserted into the clamping groove 2130" on the mounting piece 2100", which can further fix the relative position of the clamping piece 2200" and the mounting piece 2100", and can effectively prevent the clamping piece 2200" from swinging with the movement of the timing belt 1200 left and right In this case, it is further ensured that the relative position of the second entrainer assembly 2000 ″ and the timing belt 1200 is fixed.

The present invention also relates to a same-direction synchronous linkage door 10 using the same-direction synchronous linkage device 100, which mainly includes a door leaf 200 and a door frame. The door frame includes an upper door frame, a lower door frame and two side door frames. Not shown in the figure, the door leaf 200 includes a first door leaf 210 and a second door leaf 220, and the first door leaf 210 or the second door leaf 220 can move relative to an adjacent door leaf.

A pair of synchronous wheels 1100 and a synchronous belt 1200 cooperating with the synchronous wheels 1100 are arranged on both sides of the top of the first door leaf 210 . A first entrainment assembly 2000' and a second entrainment assembly 2000" are respectively provided on the door frame on the side of the top of the second door leaf 220 close to the first door leaf 210 and on the top side of the first door leaf 210. The first and second entrainment assemblies Components 2000" are connected with the synchronous belt 1200 entrainment component in a detachable fixed connection manner. The first door leaf 210 is connected to the door frame, and the first door leaf 210 is connected to the second door leaf 220 through the clamping assembly.

When the second door leaf 220 is pushed to move toward the first door leaf 210, since the second door leaf 220 is connected with the timing belt 1200 connected to the first door leaf 210 through the entrainment assembly 2000, the timing belt 1200 on the pulley assembly 1000 is driven around both sides. At the same time, because the first door leaf 210 is also connected to the door frame through the entrainment assembly 2000, and the door frame is fixed, it also drives the first door leaf 210 to move at the same time, thereby realizing the first door leaf 210 and the door frame. The second door leaf 220 moves synchronously in the same direction. Because the pulley assembly 1000 including the synchronous pulley 1100 and the synchronous belt 1200 is used for transmission, the transmission is accurate, and there will be no slippage of the synchronous belt 1200 relative to the synchronous wheel 1100, and there will be no problem of poor synchronous effect. In addition, the entrainment assembly 2000 is detachably fixedly connected to the synchronous belt 1200, which is convenient for installation and maintenance. The structure of the pulley assembly 1000 composed of the synchronous pulley 1100 and the synchronous belt 1200 is also very simple, which is also convenient for installation and maintenance.

As a preferred solution, as shown in FIG. 5 , a pulley block 3000 is provided at the top of the door leaf 200, and the pulley block includes a hanging assembly 3300 connected to the top of the door leaf, a roller assembly 3100 and a locking bolt 3200 connecting the two. Correspondingly, a slide rail 4000 is provided on the upper door frame, and the roller assembly 3100 is arranged in the slide rail and can slide back and forth in the slide rail 4000 .

The roller assembly 3100 includes a roller bracket 3110 and a roller 3120 supported by the roller bracket 3110 . The roller bracket 3110 is provided with a connecting portion that matches the clamping bolt 3200, and the connecting portion is a connecting groove 3111, which is embedded with a nut that matches the threaded section of the clamping bolt, so that the clamping bolt The nut 3200 can be screwed in or out of the connecting groove 3111 to realize the installation or removal of the locking bolt 3200 and the roller bracket 3110 .

The hanging component 3300 is provided with a slot that can be matched with the snap bolt 3200 and can snap into the head of the snap bolt 3200 , and the slot restricts the vertical movement of the snap bolt 3200 .

The roller assembly 3100 is connected to the hanging assembly 3300 by setting the locking bolt 3200 , and the distance between the door leaf 200 and the door frame can be freely adjusted by adjusting the degree of screwing in or out of the locking bolt 3200 in the roller assembly 3100 . In this way, the upper and lower positions of the door leaf 200 can be adjusted, which helps to ensure the fit between the door leaf 200 and the door frame, and is also conducive to the installation and maintenance of the door leaf 200 .

As a preferred solution, as shown in FIG. 6 , the suspension assembly 3300 includes a suspension base 3310 , a self-locking slide 3320 and a return spring 3330 .

Wherein, the hanging base 3310 is a several-shaped plate, the middle plate is higher than the two end plates, and the space formed by the middle plate relative to the two end plates can accommodate the head of the locking bolt, and the two end plates The sheet is used to fit and install the door leaf 200, for example, it can be connected by screws. An opening 3311 extending from one side to the middle is provided on the top of the hanging bottom, that is, the middle plate, and the opening is configured to gradually narrow from the outside to the middle, wherein the width of the narrowest part is slightly greater than or equal to the locking position Bolt body diameter. At least two circular positioning holes 3312 and a rectangular first empty slot 3313 are arranged on the top of the hanging film. The length direction of the first empty slot 3313 is the same as that of the hanging film 3310. The first protrusion 3314, one end of the return spring 3330 is sleeved on the first protrusion 3314.

The self-locking sliding piece 3320 can be attached to the top of the hanging base 3310 , that is, can be attached to the middle plate of the hanging base 3310 . The self-locking slide 3320 is provided with a V-shaped slot 3321, one side of the slot 3321 opens to the edge of the self-lock slide 3320, and the end of the other end can correspond to the inside of the opening 3311 on the hanging film. The two jointly form the locking groove, which is used for locking the bolt body of the bolt and restricting its up and down movement. The self-locking slide 3320 is provided with a guide groove 3322 corresponding to the positioning hole 3312 on the hanging base 3310, and the self-locking slide 3320 and the hanging base 3310 are connected by rivets. Because of the setting of the guide groove 3322, the self-locking slide 3320 can move relative to the suspension base 3310 in the length direction of the suspension base 3310 .

The self-locking sliding piece 3320 is also provided with a second cavity 3323 corresponding to the first cavity 3313. The first cavity 3313 and the second cavity 3323 have the same shape, and one end of the second cavity 3323 is provided with a second protrusion. The block 3324, the first bump 3314 and the second bump 3324 have the same size and opposite positions.

The return spring 3330 is disposed in the space formed by the first cavity 3313 and the second cavity 3323 , and its two ends are respectively connected to the first bump 3314 and the second bump 3324 . Due to the setting of the first empty slot 3313, the second empty slot 3323 and the return spring 3330, the self-locking sliding piece 3320 can move along the length direction of the hanging bottom plate 3310 and then reset automatically. Such a design allows the roller assembly 3100 to be easily disassembled from the door leaf 200 and is very firm when in use.

As a preferred solution, as shown in FIG. 1 , a door stop assembly 5000 is further provided in the slide rail 4000 , and the pulley block 3000 is slidably engaged with or separated from the door stop assembly 5000 . The pulley block 3000 moves in the slide rail 4000, and when it contacts and connects with the door stop assembly 5000, its movement can be restricted by the door stop assembly 5000, which constitutes a temporary restriction on the movement of the pulley block 3000, so that the door leaf 200 can be parked. in a certain position. Preferably, the door stop assembly 5000 adopts a magnetic attraction type or an elastic clamping type.

As a preferred solution, as shown in FIG. 7 , the door stop assembly 5000 includes a door stop frame body 5100 , a door stop elastic piece 5200 and an elastic piece screw 5300 . One end of the door stop shrapnel 5200 is clamped in the mounting groove 5110 provided on the door stop frame body 5100 to realize the assembly of the door stop shrapnel 5200 and the door stop frame body 5100 and limit the left and right movement of the door stop shrapnel 5200; The other end is arranged transversely and facing the door leaf 100 . The door stop spring 5200 and the door stop frame body 5100 are provided with holes corresponding to the positions, through which the mounting screws can pass. The door stop shrapnel 5200 can be elastically buckled on the roller bracket 3110 of the pulley block 3000 , so as to elastically buckle the roller assembly 3100 . The door stop frame body 5100 is also provided with a shrapnel screw 5300, which is connected with the door stop body and the door stop shrapnel. By adjusting the screw-in range of the shrapnel screw 5300, the door stop shrapnel 5200 and the door stop body 5100 can be adjusted. The clamping strength of the door stop shrapnel 5200 elastically buckled with the pulley block 3000 is controlled by a certain distance, thereby controlling the door stop strength.

As a preferred solution, as shown in Figure 7, a buffer block 5400 is also provided on the door stop assembly 5000, and the buffer block 5400 is arranged on the side of the door stop frame body 5100 close to the pulley block 3000, so that the pulley block 3000 is in contact with the door. When the stop assembly 5100 collides with each other, it is subjected to a buffer force to prevent noise from being generated when the door is stopped. The buffer block 5400 can be made of flexible materials such as buffer rubber particles, soft cloth, and sponge.

As a preferred solution, as shown in Figure 1, a limit assembly 6000 is provided on the side of the bottom of the first door leaf 210 facing the second door leaf. The limit assembly 6000 includes a mounting seat and a guide seat. A limiting space with adjustable spacing is formed, so that the second door leaf 220 can enter and pass through the limiting space. The width of the limited space can be adjusted according to the thickness of the second door leaf 220 , so that the fitting degree between the first door leaf 210 and the second door leaf 220 can be adjusted.

As a preferred solution, as shown in Figure 8, the limit assembly 6000 includes a mounting seat and a guide seat, wherein the mounting seat includes a flat plate 6100 and a riser 6200 formed by extending upward from one side of the plate, and the guide seat includes Backing plate 6300. The flat plate 6100 is provided with three longitudinal straight grooves 6110 running through its thickness direction, namely a first straight groove 6111 , a second straight groove 6112 and a third straight groove 6113 .

The backing plate 6300 is provided with threaded holes corresponding to the second straight groove 6112 for connecting the backing plate 6300 and the flat plate 6100 by means of screws 6320 . Since the second straight groove is a longitudinal straight groove, the screw 6320 can slide in it so that the relative position of the backing plate and the flat plate can be adjusted.

The backing plate 6300 is also provided with two limiting pins 6310 that can pass through the first straight groove 6111 and the third straight groove 6113, the limiting pins 6310 are perpendicular to the flat plate 6100, and the top ends of the limiting pins 6310 are sleeved with A wheel (such as a bearing) that can rotate about the central axis of the stop pin. The gap between the wheel at the top of the limit pin 6310 and the riser 6200 constitutes the limit space. Since the relative position of the backing plate 6300 and the flat plate 6100 is adjustable, the distance between the runner and the vertical plate 6200 can be adjusted, which can adapt to the door leaves 200 of different widths, and can further ensure the gap between the first door leaf 210 and the second door leaf 220. of fit.

As a preferred solution, as shown in Figure 9, the synchronous linkage door in the same direction is a three-leaf type synchronous linkage door 20 in the same direction, that is, it may also include a third door leaf 130, and the top of the third door leaf 130 is provided with the above-mentioned pulley assembly 1000, and the entrainment assembly 2000 is provided on the side of the top of the second door 220 close to the third door 130.

In addition, the same-direction synchronous linkage door can be further expanded in a similar manner to form designs with more than two doors, such as four doors, five doors, etc., so as to expand the scope of use and meet the needs of different occasions.

Although some exemplary embodiments of the present invention have been shown above, those skilled in the art will appreciate that changes can be made to these exemplary embodiments without departing from the principle or spirit of the present invention. The scope is defined by the claims and their equivalents.

Claims (18)

1. a synchronizing linkage in the same direction, synchronizes to join for being connected by first, second door leaf and making multiple door leaf keep in the same direction Dynamic, it is characterised in that to include least one set pulley assemblies and carry assembly secretly；

Often organize described pulley assemblies include a pair synchronization wheel for being installed in the first both sides, door leaf top and coordinate with Tong Bu wheel The Timing Belt of transmission；Carry secretly and carry assembly described in assembly secretly and be connected with described Timing Belt, it include at least one for second What fan connected first carries assembly secretly, and at least one second is carried secretly for be connected with near the body of wall of the first door leaf or doorframe Assembly.

Synchronizing linkage in the same direction the most according to claim 1, it is characterised in that described first carries assembly and the second folder secretly All include that with assembly removably connect with Timing Belt is flexibly connected end and for realizing flexible connection end and door leaf, body of wall or door The fixing end that frame connects, described flexible connection end is flexibly connected so that being flexibly connected end and can adjusting along door leaf thickness direction with fixing end Its fixed position whole.

Synchronizing linkage in the same direction the most according to claim 2, it is characterised in that described flexible connection end include vertical sheet and The transverse sheet formed along described vertical sheet lower end transverse fold, described vertical sheet is connected with described Timing Belt, and described transverse sheet is fixing with described End connects, and it offers screw hole；

Described fixing end is a few font plates, and position corresponding with described screw hole in the middle part of it offers the chute of lengthwise shape, With the connection being realized by screw hole, chute being flexibly connected end with fixing end by threaded connector.

Synchronizing linkage in the same direction the most according to claim 3, it is characterised in that described flexible connection end also includes folder Sheet, described intermediate plate is provided with at least one, and each described intermediate plate offers a through hole；

Being provided with the projection of described vertical sheet on described intermediate plate, described vertical sheet is provided with the groove matched with described projection, institute Stating and be additionally provided with the installing hole corresponding with described lead to the hole site on vertical sheet, described intermediate plate presss from both sides by threaded connector with described vertical sheet It is connected on described Timing Belt.

Synchronizing linkage in the same direction the most according to claim 4, it is characterised in that the lower section of described through hole is provided with at least one The individual stopper slot for the engaging of described Timing Belt.

6. according to the arbitrary described synchronizing linkage in the same direction of claim 3～5, it is characterised in that the middle part of described fixing end Arching upward upward and limit the gap matched with described transverse sheet, described transverse sheet inserts behind described gap by screw through chute It is connected with screw hole.

Synchronizing linkage in the same direction the most according to claim 1, it is characterised in that described second carries assembly secretly includes in S The installation sheet of shape and clamping connection sheet, described installation sheet one end is used for being connected with described body of wall or doorframe, the other end and described clamping connection sheet Connect by threaded connector, between described installation sheet and described clamping connection sheet, be clamped with described Timing Belt.

Synchronizing linkage in the same direction the most according to claim 7, it is characterised in that described installation sheet is used for and body of wall or door One end that frame connects is provided with at least one hole, location, and the described installation sheet other end is provided with the first connection through hole, on described clamping connection sheet Being provided with the second connection through hole, described installation sheet is connected through hole and second even by threaded connector through first with described clamping connection sheet Connection hole connects, and described clamping connection sheet horizontal direction both sides are provided with the projection of described installation sheet.

Synchronizing linkage in the same direction the most according to claim 8, it is characterised in that be additionally provided with boss, institute on described projection State to be correspondingly provided with on installation sheet and be provided with the buckling groove of cooperating therewith clamping with described lug boss position.

10. a synchronous interaction door in the same direction, including door leaf and doorframe, doorframe includes that upper door frame and lower door frame, door leaf top are provided with Assembly pulley, described upper door frame is provided with the slide rail mated with assembly pulley, and described lower door frame is provided with the guide rail mated with described door leaf, its It is characterised by, also includes the synchronizing linkage in the same direction as described in any one of Claims 1 to 4；Described door leaf includes first Fan and the second door leaf, described first door leaf top is provided with described pulley assemblies；At least one first carries assembly and the second door leaf secretly Connecting, at least one second is carried assembly secretly and is connected with body of wall or the doorframe of close first door leaf.

11. synchronous interaction doors in the same direction according to claim 10, it is characterised in that described assembly pulley includes being fixed on described The suspending assembly on door leaf top, be located at described slide rail in and the roll wheel assembly that can within it slide and by described suspending assembly and rolling The screens bolt that wheel assembly couples together；

Being provided with the draw-in groove matched with described screens bolt on described suspending assembly, described screens bolt one end is stuck in described card In groove；

Described roll wheel assembly includes rolling wheel support and the roller being bearing on rolling wheel support, and described rolling wheel support is provided with described The connecting portion that screens bolt matches, the screens bolt other end is connected with described connecting portion.

12. synchronous interaction doors in the same direction according to claim 11, it is characterised in that described suspending assembly includes hanging the end Sheet, self-locking slide plate and back-moving spring；

Described hanging egative film is a few font plates, and its top is provided with the opening extended along side, described hanging egative film top to middle part End is provided with the first dead slot and hole, at least two location, and described first dead slot one end is provided with the first projection；

Described self-locking slide plate is provided with the draw-in groove of V-type, described draw-in groove be opened to described self-locking slider edge, described V-type card The end of groove another side is corresponding with the open interior space on described hanging egative film, and described self-locking slide plate is provided with described The guide groove that hole, location is corresponding, described self-locking slide plate is additionally provided with second dead slot corresponding with described first dead slot position, described One end of second dead slot is provided with the second projection；

Described back-moving spring is arranged in the space that the first dead slot and the second dead slot are formed, and two ends are connected to described the On one projection and described second projection.

13. synchronous interaction doors in the same direction according to claim 10, it is characterised in that be additionally provided with door in described slide rail and stop group Part, described assembly pulley stops assembly engaging slidably or separates with described door.

14. synchronous interaction doors in the same direction according to claim 13, it is characterised in that described door stops assembly and includes that door stops frame Body, door stop shell fragment and shell fragment screw, and it is W type shell fragment that described door stops shell fragment, and support body clamping, described bullet are stopped with described door in one end Sheet screw is arranged on door and stops on support body, can by the screw-in amplitude adjusted door of shell fragment screw stop shell fragment and described door stop support body away from From, described door stops the other end of shell fragment and can be combined on described roll wheel assembly by elastic buckles.

15. synchronous interaction doors in the same direction according to claim 14, it is characterised in that described door stops assembly and also includes buffering Block, described buffer stopper is arranged at the close described assembly pulley side that door stops on support body.

16. synchronous interaction doors in the same direction according to claim 10, it is characterised in that near described bottom described first door leaf The position of the second door leaf side is provided with limit assembly, and described limit assembly includes mounting seat and guide holder, described guide holder with The spacing space of adjustable interval is formed between described mounting seat.

17. synchronous interaction doors in the same direction according to claim 16, it is characterised in that described mounting seat includes interconnective Riser and flat board, described guide holder includes that backing plate, described backing plate are fixed by screw with described flat board；

Described flat board is formed by described riser lower end transverse fold, it offers and runs through the first straight of described slab-thickness direction Groove, the second straight trough and the 3rd straight trough, and described first, second, third straight trough is lengthwise shape straight trough；

On described backing plate, corresponding described second straight trough offers screwed hole, and described backing plate is additionally provided with two can be each passed through Described first straight trough and the spacer pin of the 3rd straight trough, described spacer pin is arranged with can be described around the runner of its central axis Described spacing space is limited between runner and described riser.

18. according to the synchronous interaction door in the same direction described in any one of claim 10 to 17, it is characterised in that described door leaf also includes 3rd door leaf, described 3rd door leaf top is provided with described pulley assemblies, and described second door leaf top sets near the 3rd door leaf side Assembly is carried secretly described in having.