CN216517582U - Mutual sliding door system - Google Patents

Abstract

The utility model discloses an inter-sliding door system which comprises a first sliding door, a second sliding door, a guide rail, three groups of pulley assemblies and a swing stopper, wherein the guide rail is fixed at the top of a door frame, the inner side of the guide rail is provided with a front sliding groove and a rear sliding groove which are parallel front and back, each group of pulley assemblies is provided with three pulleys, one group of pulley assemblies is arranged at the top end of the first sliding door, the three pulleys are arranged in the front sliding groove in a sliding manner, the other two groups of pulley assemblies are respectively arranged at the top end of the second sliding door, the three pulleys are arranged in the rear sliding groove in a sliding manner, the swing stopper is fixed on the ground, the swing stopper is provided with a first limiting groove and a second limiting groove which are parallel front and back, and the lower ends of the first sliding door and the second sliding door respectively extend into the first limiting groove and the second limiting groove. The sliding door system is a hanging rail type sliding door system which is low in cost, simple in appearance, simple and convenient to install and high in overall structural strength, has high smoothness, high silence and high bearing performance, and a front sliding groove and a rear sliding groove of the sliding door system respectively have the highest energy bearing capacity of 80kg wooden doors.

Description

Mutual sliding door system

Technical Field

The utility model relates to a sliding door system, in particular to a mutual sliding door system.

Background

At present, most of the mutually-sliding doors (also called mutually-opening doors or double-opening doors) on the market are guided by a structure that a ground wheel is matched with a ground rail, the push and the pull are not smooth, and the ground rail is not easy to clean. And the ground rail usually adopts two single-chute guide rails, so that the cost is higher, and the appearance is not beautiful enough.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a mutual sliding door system with high smoothness, high silence and high bearing capacity aiming at the defects of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a mutual sliding door system comprises a first sliding door, a second sliding door, a guide rail, three sets of pulley assemblies and a swing stopper, the guide rail is fixed on the top of the door frame, the inner side of the guide rail is provided with a front sliding groove and a rear sliding groove which are parallel to each other, each group of pulley components is provided with three pulleys, one group of the pulley components is arranged at the top end of the first sliding door, and three pulleys of the pulley components are arranged in the front sliding groove in a sliding manner, the other two groups of pulley components are respectively arranged at the top end of the second sliding door, and three pulleys of the other two groups of pulley components are slidably arranged in the rear sliding groove, the swing stopper is fixed on the ground, a first limit groove and a second limit groove which are parallel are arranged on the swing stopper, the lower ends of the first sliding door and the second sliding door respectively extend into the first limiting groove and the second limiting groove.

The guide rail of the mutual sliding door system adopts a double-sliding-groove integrated structure formed by the front sliding groove and the rear sliding groove, the appearance is simple, the cost can be saved compared with that of a traditional mutual sliding door system adopting two single-sliding-groove guide rails, three groups of pulley assemblies adopt three pulleys, the cost is lower compared with that of a structure with four common pulleys on the market, the self-positioning effect is better, each pulley can be ensured to bear force in the moving process of the sliding door, the sliding door is ensured to be smoothly pushed and pulled, the noise is reduced, the bearing performance of the sliding door is ensured, and the sliding noise of the pulleys in the sliding process of the sliding door is effectively avoided.

Preferably, the groove bottoms of the front sliding groove and the rear sliding groove are respectively provided with a guide bar which is arched upwards, and the upper end surface of the guide bar is in contact with the wheel surface of the pulley. The design of the guide strip arched upwards can reduce the contact area of the pulley with the front sliding groove and the rear sliding groove, so that the sliding door can move more smoothly, and meanwhile, the contact area of the pulley with the front sliding groove and the rear sliding groove is not easy to accumulate dust.

Preferably, the bottoms of the front sliding groove and the rear sliding groove are respectively provided with two guide bars which are arched upwards and arranged at intervals from front to back, the outer side of each guide bar is integrally provided with an oblique bar, and each oblique bar is positioned on the outer side of the corresponding pulley. The function of the oblique strip is to limit the front and back lateral displacement of the pulley, and improve the reliability of the sliding fit.

Preferably, each pulley assembly comprises a door connector, a frame, two anti-loosening filler blocks, an adjusting screw and three pulleys, one pulley is mounted on one side of the frame, the other side of the frame is provided with the two pulleys, the anti-loosening filler blocks are fixed on the inner side of the frame, the inner sides of wheel shafts of the three pulleys are respectively abutted against the anti-loosening filler blocks, the adjusting screw penetrates through the door connector and the frame from bottom to top and is in threaded connection with the anti-loosening filler blocks, the adjusting screw is in threaded connection with an adjusting nut, and the door connector is fixedly connected with the first sliding door or the second sliding door through a cross pan head self-tapping screw. In the installation, can adjust the height that moves the door through spanner rotation adjusting screw, convenient operation.

Preferably, the door connecting piece is provided with a lock catch capable of rotating back and forth, the lock catch is provided with a bayonet, and the bayonet is used for fixing the adjusting screw. After the height adjustment of the sliding door is completed, the lock catch is buckled on the adjusting screw, so that the adjusting screw is clamped in the bayonet, the quick fixed connection of the pulley assembly and the sliding door can be realized, and the sliding door is convenient for people to install.

Preferably, the anti-loosening pad of any one group of the pulley assemblies is connected with a bidirectional buffer, the bidirectional buffer is connected with a plastic roller, and two triggers matched with the bidirectional buffer are installed on the inner side of the guide rail. When a user needs to open and close the door with a buffering function, the advantage of adopting the bidirectional buffer is firstly that the cost can be saved; secondly, the installation limit requirement of the width of the sliding door can be reduced, and the installation requirement of the sliding door on a narrow wooden door is met; and thirdly, the use feeling of a user can be improved, and after the bidirectional buffer is adopted, the tension spring in the bidirectional buffer can be designed to be longer, so that the reduction of the starting force for opening the door is facilitated.

Preferably, a first T-shaped groove and a second T-shaped groove are arranged on the inner side of the guide rail, the first T-shaped groove is located on the upper side of the front sliding groove, the second T-shaped groove is located on the upper side of the rear sliding groove, one trigger is respectively installed in the first T-shaped groove and the second T-shaped groove, the guide rail is fixed to the top of the door frame through two rows of screws arranged in parallel front and back, and concave grooves for avoiding screw heads of the rows of screws are respectively arranged on the tops of the two triggers. The design of the groove at the top of the trigger can avoid the screw head of the screw, so that the two triggers can freely move in the first T-shaped groove and the second T-shaped groove, and the position of the sliding door switch can be conveniently adjusted. Meanwhile, the utilization rate of the height space in the guide rail can be effectively improved by matching the two triggers with the two-way buffer, and the material cost of the guide rail is reduced.

Preferably, a stopper is mounted on the back surface of the first sliding door, the stopper faces the side surface of the second sliding door, and an anti-collision block is mounted on one side of the stopper facing the second sliding door. If the user does not need to match the buffer, only the stopper is arranged on the back surface of the first sliding door, and the installation is simple and convenient.

Preferably, the swing stopper comprises a bottom plate and three guide blocks, the bottom plate is fixed on the ground, a plurality of slots with one side open are formed in the bottom plate, each slot comprises a circular slot and a trumpet-shaped narrow slot, the narrow slots are positioned at the opening sides of the slots, the narrow ends of the narrow slots are communicated with the circular slots, the width of the narrow ends of the narrow slots is smaller than the diameter of the circular slots, two positioning sheets which are vertically spaced are arranged at the bottom of each guide block, the upper and lower gaps between the two positioning sheets are matched with the thickness of the bottom plate, the two positioning sheets are connected through an insertion sheet, the insertion sheet is cut from a circular plate, the diameter of the circular plate is the same as that of the circular slot, the width of the insertion sheet is smaller than that of the narrow ends of the narrow slots, the bottom of each guide block is inserted through a narrow slot and is rotated by 90 degrees and then fixed in the circular slot communicated with the narrow slots, the bottom plate and the two guide blocks which are adjacent to each other in the front-back direction form the first limiting groove or the second limiting groove in an enclosing mode. The swing stopper is convenient to adjust the positions of the three guide blocks, so that the widths of the first limiting groove and the second limiting groove are adjusted, and the swing stopper is suitable for sliding doors with different thicknesses.

Preferably, the front surface of the guide rail is provided with a concave-convex fold structure, so that a user can conveniently paste the decorative plate with corresponding color on the front surface of the guide rail according to needs, and the pasting stability of the decorative plate is improved.

Compared with the prior art, the utility model has the following advantages: the mutually-moving door system is a hanger rail type mutually-moving door system which is low in cost, simple in appearance, simple and convenient to install and high in overall structural strength, has high smoothness, high silence and high bearing performance, and the front sliding groove and the rear sliding groove of the mutually-moving door system respectively have the highest energy bearing 80kg of wooden doors.

Drawings

FIG. 1 is a front view of the embodiment of the mutual sliding door system after installation (sliding door half-open state);

FIG. 2 is a cross-sectional view taken along line I-I of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 3 at C;

FIG. 5 is an enlarged view of FIG. 2 at B;

fig. 6 is an elevation view of a set of sheave assemblies according to an embodiment;

FIG. 7 is an exploded view of a pulley assembly according to one embodiment;

FIG. 8 is an assembly view of a set of sheave assemblies and a bi-directional snubber of an embodiment;

FIG. 9 is a front view of the stopper in the embodiment;

FIG. 10 is a side view of the embodiment of the swing stopper;

FIG. 11 is a cross-sectional view J-J of FIG. 10;

FIG. 12 is an exploded view of the embodiment of the swing stopper.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

The mutual sliding door system of embodiment 1, as shown in the figure, comprises a first sliding door 11, a second sliding door 12, a guide rail 2, three sets of pulley assemblies 3 and a swing stopper 4, wherein the guide rail 2 is fixed on the top of a door frame (not shown in the figure), the front surface of the guide rail 2 is provided with a concave-convex corrugated structure 40, the inner side of the guide rail 2 is provided with a front sliding groove 21 and a rear sliding groove 22 which are parallel to each other, each set of pulley assemblies 3 is provided with three pulleys 31, one set of pulley assemblies 3 is mounted on the top end of the first sliding door 11 and three pulleys 31 thereof are slidably mounted in the front sliding chute 21, the other two pulley assemblies 3 are respectively installed at the top end of the second sliding door 12, the three pulleys 31 are slidably installed in the rear sliding groove 22, the swing stopper 4 is fixed on the ground, the swing stopper 4 is provided with a first limiting groove 41 and a second limiting groove 42 which are parallel to each other in a front-back direction, and the lower ends of the first sliding door 11 and the second sliding door 12 respectively extend into the first limiting groove 41 and the second limiting groove 42.

In embodiment 1, two guide bars 23 that arch upward and are arranged at intervals back and forth are respectively arranged at the bottoms of the front chute 21 and the rear chute 22, the upper end surfaces of the guide bars 23 contact with the wheel surface of the pulley 31, an oblique bar 24 is integrally arranged on the outer side of each guide bar 23, and each oblique bar 24 is located on the outer side of the corresponding pulley 31.

In embodiment 1, each set of pulley assemblies 3 includes a door connector 32, a frame 33, a lock pad 34, an adjusting screw 35 and three pulleys 31, one pulley 31 is installed on one side of the frame 33, two pulleys 31 are installed on the other side of the frame 33, the lock pad 34 is fixed on the inner side of the frame 33, the inner sides of the wheel shafts of the three pulleys 31 respectively abut against the lock pad 34, the adjusting screw 35 penetrates through the door connector 32 and the frame 33 from bottom to top to be in threaded connection with the lock pad 34, the adjusting screw 35 is in threaded connection with an adjusting nut 36, and the door connector 32 is fixedly connected with the first sliding door 11 or the second sliding door 12 through a cross pan head self-tapping screw 37; the door connecting piece 32 is provided with a lock catch 38 which can rotate back and forth, the lock catch 38 is provided with a bayonet 39, and the bayonet 39 is used for fixing the adjusting screw 35.

In embodiment 1, the anti-loosening pad 34 of any one of the pulley assemblies 3 is connected with the bidirectional buffer 51, the bidirectional buffer 51 is connected with the plastic roller 54, and two triggers 52 matched with the bidirectional buffer 51 are installed on the inner side of the guide rail 2. The inner side of the guide rail 2 is provided with a first T-shaped groove 25 and a second T-shaped groove 26, the first T-shaped groove 25 is positioned on the upper side of the front sliding groove 21, the second T-shaped groove 26 is positioned on the upper side of the rear sliding groove 22, a trigger 52 is respectively arranged in the first T-shaped groove 25 and the second T-shaped groove 26, the guide rail 2 is fixed on the top of the door frame through two rows of screws 27 which are arranged in parallel front and back, and the tops of the two triggers 52 are respectively provided with a concave groove 53 which is used for avoiding screw heads of the screws 27 in a row.

In embodiment 1, the swing stopper 4 comprises a bottom plate 43 and three guide blocks 44, the bottom plate 43 is fixed on the ground, 5 slots 45 with one side open are opened on the bottom plate 43, each slot 45 comprises a circular slot 46 and a trumpet-shaped narrow slot 47, the narrow slot 47 is positioned at the opening side of the slot 45, the narrow end of the narrow slot 47 is communicated with the circular slot 46, the width of the narrow end of the narrow slot 47 is smaller than the diameter of the circular slot 46, two positioning sheets 48 are arranged at the bottom of each guide block 44 at intervals up and down, the upper and lower gaps between the two positioning sheets 48 are matched with the thickness of the bottom plate 43, the two positioning sheets 48 are connected through an inserting sheet 49, the inserting sheet 49 is cut from a circular plate, the diameter of the circular plate is the same as the diameter of the circular slot 46, the width of the inserting sheet 49 is smaller than the width of the narrow end of the narrow slot 47, the inserting sheet 49 at the bottom of each guide block 44 is inserted through one narrow slot 47 and rotated 90 degrees and then fixed in the circular slot 46 communicated with the narrow slot 47, the bottom plate 43 and two guide blocks 44 adjacent to each other in the front-back direction enclose a first limiting groove 41 or a second limiting groove 42.

The mutually sliding door system of embodiment 2 differs from embodiment 1 in that the bidirectional buffer 51 is not provided in embodiment 2, but a stopper 6 is provided on the rear surface of the first sliding door 11, the stopper 6 faces the side surface of the second sliding door 12, and an impact prevention block 61 is provided on the side of the stopper 6 facing the second sliding door 12.

Claims (10)

1. A mutual sliding door system is characterized by comprising a first sliding door, a second sliding door, a guide rail, three groups of pulley assemblies and a swing stopper, the guide rail is fixed on the top of the door frame, the inner side of the guide rail is provided with a front sliding groove and a rear sliding groove which are parallel to each other, each group of pulley components is provided with three pulleys, one group of the pulley components is arranged at the top end of the first sliding door, and three pulleys of the pulley components are arranged in the front sliding groove in a sliding manner, the other two groups of pulley components are respectively arranged at the top end of the second sliding door, and three pulleys of the other two groups of pulley components are slidably arranged in the rear sliding groove, the swing stopper is fixed on the ground, a first limit groove and a second limit groove which are parallel are arranged on the swing stopper, the lower ends of the first sliding door and the second sliding door respectively extend into the first limiting groove and the second limiting groove.

2. The system of claim 1, wherein the bottoms of the front and rear sliding grooves are respectively provided with an upwardly arched guide bar, and the upper end surfaces of the guide bars are in contact with the tread of the pulley.

3. The system of claim 2, wherein the bottoms of the front and rear sliding grooves are respectively provided with two guide bars which are arched upwards and spaced back and forth, and the outer side of each guide bar is integrally provided with a slanted bar, and each slanted bar is located at the outer side of the corresponding pulley.

4. The system as claimed in any one of claims 1 to 3, wherein each set of pulley assemblies comprises a door connector, a frame, a lock pad, an adjusting screw and three pulleys, one pulley is mounted on one side of the frame, two pulleys are mounted on the other side of the frame, the lock pad is fixed on the inner side of the frame, the inner sides of the axles of the three pulleys respectively abut against the lock pad, the adjusting screw passes through the door connector and the frame from bottom to top to be in threaded connection with the lock pad, the adjusting screw is in threaded connection with an adjusting nut, and the door connector is fixedly connected with the first sliding door or the second sliding door through a cross head self-tapping screw.

5. The system of claim 4, wherein the door connector is provided with a latch capable of rotating back and forth, the latch being provided with a bayonet for fixing the adjusting screw.

6. The system of claim 4, wherein the anti-loose pad of any one of the pulley assemblies is connected with a bidirectional buffer, the bidirectional buffer is connected with a plastic roller, and two triggers matched with the bidirectional buffer are installed on the inner side of the guide rail.

7. The system of claim 6, wherein the guide rail has a first T-shaped slot and a second T-shaped slot disposed on an inner side thereof, the first T-shaped slot is disposed on an upper side of the front sliding groove, the second T-shaped slot is disposed on an upper side of the rear sliding groove, the first T-shaped slot and the second T-shaped slot each have one of the triggers mounted therein, the guide rail is fixed to the top of the door frame by two rows of screws disposed in parallel, and the top of each of the two triggers is provided with a recessed groove for receiving the screw heads of the rows of screws.

8. The system of claim 4, wherein a stopper is mounted on a back surface of the first sliding door, the stopper faces a side surface of the second sliding door, and an anti-collision block is mounted on a side of the stopper facing the second sliding door.

9. The system of claim 1, wherein the swing stopper comprises a bottom plate and three guide blocks, the bottom plate is fixed on the ground, the bottom plate is provided with a plurality of slots with one side open, each slot comprises a circular slot and a horn-shaped narrow slot, the narrow slots are located at the opening sides of the slots, the narrow ends of the narrow slots are communicated with the circular slots, the width of the narrow ends of the narrow slots is smaller than the diameter of the circular slots, the bottom of each guide block is provided with two positioning sheets spaced from each other up and down, the upper and lower gaps between the two positioning sheets are matched with the thickness of the bottom plate, the two positioning sheets are connected through an insertion sheet, the insertion sheet is cut from a circular plate, the diameter of the circular plate is the same as the diameter of the circular slots, and the width of the insertion sheet is smaller than the width of the narrow ends of the narrow slots, the inserting piece at the bottom of each guide block is inserted into a narrow groove and is fixed in a circular groove communicated with the narrow groove after rotating for 90 degrees, and the bottom plate and the two guide blocks adjacent to each other in the front and back form the first limiting groove or the second limiting groove.

10. The system of claim 1, wherein the front face of the track has a corrugated configuration.

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