CN219974269U

CN219974269U - Folding door

Info

Publication number: CN219974269U
Application number: CN202320320770.9U
Authority: CN
Inventors: 吴建荣; 谢小兰
Original assignee: Guangdong Locka Furniture Ltd
Current assignee: Guangdong Locka Furniture Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-11-07
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a folding door, which comprises a door plate, a door frame and a sound insulation assembly, wherein the door plate comprises at least two sub-door plates, and every two adjacent sub-door plates are connected through a hinge; the door frame is arranged on the periphery of the door plate, the door frame comprises two side frames which are arranged at intervals relatively and an upper frame which is connected with the two side frames, a sub door plate which is arranged close to one side frame is a first sub door plate, a sub door plate which is arranged close to the other side frame is a second sub door plate, the first sub door plate is connected with the door frame through a hinge, a guide rail is arranged on the inner side of the upper frame along the length direction of the upper frame, and the guide rail is connected with the second sub door plate through a sliding part; the sound insulation assembly comprises an automatic lifting sound insulation strip, the automatic lifting sound insulation strip is arranged at the bottom of the door plate, and when the folding door is closed, the bottom of the door plate can form a sealing structure with the ground through the automatic lifting sound insulation strip. The utility model can enable the switch door to be smoother and can effectively isolate noise. The folding door is used in the technical field of folding doors.

Description

Folding door

Technical Field

The utility model relates to the technical field of folding doors, in particular to a folding door.

Background

The folding door is a door which can be folded when being unfolded so as to push the door plate to the side, and is generally applied to space partition in public places such as malls, office buildings and the like or private places such as buildings, villas and the like. Generally, folding doors can be classified into side-hung folding doors and push-pull folding doors.

The prior art folding doors have some disadvantages: the labor is not saved when the folding door is pushed and pulled, and the effort is needed when the folding door is opened and closed; the thick wall appearance of some thick wall folding doors is too rough, the width of the door leaves must be equal, the requirement on the width of the mounting door opening is wider, the occupied space is large, and the door is not suitable for house doors in house decoration; the door plant has great gap with ground, and sealed sound insulation effect is not good.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the embodiment of the utility model provides the folding door, which can enable the folding door to be smoother to open and close and can effectively isolate noise.

According to an embodiment of the present utility model, a folding door includes: the door plate comprises at least two sub door plates, and every two adjacent sub door plates are connected through a hinge, so that the door plate can be folded; the door frame is arranged on the periphery of the door frame, the door frame comprises two side frames which are arranged at intervals relatively and an upper frame which is connected with the two side frames, a sub door plate which is arranged close to one side frame is a first sub door plate, a sub door plate which is arranged close to the other side frame is a second sub door plate, the first sub door plate is connected with the door frame through a hinge, a guide rail is arranged on the inner side of the upper frame along the length direction of the guide rail, a sliding part is arranged on the guide rail, and the sliding part is connected with the second sub door plate so as to realize smooth opening and closing of the folding door; the sound insulation assembly comprises an automatic lifting sound insulation strip, the automatic lifting sound insulation strip is arranged at the bottom of the door plate, and when the folding door is closed, the bottom of the door plate can form a sealing structure with the ground through the automatic lifting sound insulation strip.

Based on the technical scheme, the embodiment of the utility model has at least the following beneficial effects: according to the embodiment of the utility model, the first groove is formed in the upper frame, the guide rail is arranged in the first groove, the second sub-door plate is connected with the guide rail through the sliding part, and the folding door can be smoothly opened and closed and simultaneously has a sealing and sound insulation function; through setting up automatic rising sound insulation strip in the bottom of door plant, when closing folding door, the bottom of door plant can form seal structure with ground through automatic rising sound insulation strip, can effectively block noise from door bottom gap through the air propagation into indoor.

According to the folding door disclosed by the embodiment of the utility model, the door plate comprises the first sub door plate and the second sub door plate, the width of the first sub door plate is smaller than that of the second sub door plate, and the first sub door plate is connected with the second sub door plate through a hinge.

According to the folding door disclosed by the embodiment of the utility model, the length ratio range of the width of the first sub-door plate to the width of the second sub-door plate is 2:8 to 4: 6.

According to the folding door provided by the embodiment of the utility model, the inner side of the upper frame is provided with the first groove along the length direction of the upper frame, the guide rail is arranged in the first groove, the folding door further comprises a door closer, the door closer is arranged on the guide rail, and the door closer is connected with the second sub-door plate.

According to the folding door provided by the embodiment of the utility model, the sliding part is the rolling bearing, and the rolling bearing is arranged on one side of the door closer close to the first sub-door plate so as to prevent the door closer from interfering the movement of the rolling bearing.

According to the folding door disclosed by the embodiment of the utility model, the bottom of the door plate is provided with the second groove along the horizontal direction, the automatic lifting sound insulation strip is arranged in the second groove, and the automatic lifting sound insulation strip can move up and down in the second groove.

According to the folding door provided by the embodiment of the utility model, the automatic lifting sound insulation strip comprises an outer aluminum profile, an inner aluminum profile, a copper plug, a sound insulation strip and a spring, wherein a third groove is formed in the outer aluminum profile downwards, one end, close to the side frame, of the third groove is provided with the copper plug, a part of the copper plug is arranged outside the second groove, the inner aluminum profile is further arranged in the third groove, a fourth groove is formed in the inner aluminum profile downwards, and the sound insulation strip is arranged in the fourth groove and is connected with the copper plug through the spring.

According to the folding door provided by the embodiment of the utility model, the door plate comprises an outer panel layer, a high-molecular damping sound insulation felt layer, an inner panel layer, an environment-friendly composite acoustic sound insulation cotton layer with LVL solid wood keels, an inner panel layer, a high-molecular damping sound insulation felt layer and an outer panel layer which are sequentially stacked.

According to the folding door provided by the embodiment of the utility model, the sound insulation assembly further comprises sealing sound insulation strips, the sealing sound insulation strips are arranged between two adjacent sub-door panels, and the sealing sound insulation strips are also arranged between the first sub-door panel and/or the second sub-door panel and the door frame.

According to the folding door disclosed by the embodiment of the utility model, the door plate is provided with the lock cylinder and the handle, and the lock cylinder is arranged below the handle, so that the folding door can be conveniently opened and closed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a front view of a folding door according to an embodiment of the present utility model;

FIG. 2 is a side view of a folding door according to an embodiment of the present utility model;

FIG. 3 is a top view of a folding door according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a folding door according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a door panel according to an embodiment of the present utility model;

FIG. 6 is a schematic view illustrating the installation of an automatic lifting sound insulation strip according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of an automatic lifting sound insulation strip according to an embodiment of the present utility model.

Reference numerals: the door panel 100, the outer panel layer 110, the high polymer damping sound insulation felt layer 120, the inner panel layer 130, the environment-friendly composite acoustic sound insulation cotton layer 140 with LVL solid wood keels, the first sub-door panel 150, the hardware component 151, the fixer 152, the pivot 153, the second sub-door panel 160, the lock core 161, the handle 162, the folding door central hinge 163, the automatic lifting sound insulation strip 170, the outer aluminum profile 171, the copper plug 172, the inner aluminum profile 173 and the sound insulation strip 174; door frame 200, right side frame 210, left side frame 220, upper frame 230, guide rail 231, door closer 232, rolling bearing 233, and stop bar 240; wall 300.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the embodiment of the utility model provides a folding door, which can reduce the space occupied by the door when opening and closing, smoothly open and close, and effectively isolate noise. The folding door includes a door panel 100, a door frame 200, and a soundproof assembly.

The door panel 100 includes at least two sub-door panels 100, and each two adjacent sub-door panels 100 are connected by a hinge so that the door panel 100 can be folded.

In some of these embodiments, referring to fig. 5, the door panel 100 includes an outer panel layer 110, a polymeric damping sound insulation felt layer 120, an inner panel layer 130, an environmentally friendly composite acoustic insulation cotton layer with LVL solid wood keels 140, an inner panel layer 130, a polymeric damping sound insulation felt layer 120, and an outer panel layer 110, which are laminated in sequence. The high-molecular damping sound-insulating felt is a high-performance high-quality polymer metal sound-insulating felt with excellent transmission loss, is environment-friendly, can effectively absorb and isolate noise transmitted through the door plate 100, has strong damping property and surface density, can greatly improve the sound-insulating amount of raw materials, is compounded in the door plate 100, improves the sound-insulating amount of the door plate 100, can effectively absorb and isolate noise transmitted through the door plate 100, and has strong damping property and surface density, so that the sound-insulating amount of the door plate 100 can be greatly improved; the environment-friendly composite acoustic soundproof cotton also has good soundproof and sound absorption performances, and can greatly improve the soundproof and sound absorption performances of the door panel 100.

The door frame 200 is arranged on the periphery of the door plate 100, the inner side of the door frame 200 is provided with a baffle strip 240, the tongue-and-groove position of the baffle strip 240 is matched with the side of the door plate 100, and the periphery of the door frame 200 is connected with the wall body 300. The door frame 200 includes two side frames disposed at opposite intervals and an upper frame 230 connecting the two side frames, the sub-door panel 100 disposed near one of the side frames is a first sub-door panel 150, the sub-door panel 100 disposed near the other side frame is a second sub-door panel 160, and the first sub-door panel 150 is connected with the door frame 200 through a hinge.

In some embodiments, the inner side of the door frame 200 is further provided with a door frame 200 baffle, the door frame 200 baffle is located on the side of the door panel 100 facing the indoor, the door frame 200 baffle is provided with a door frame 200 sealing installation groove on the side facing the door panel 100, and a door stop sealing strip is arranged in the door frame 200 sealing installation groove.

It is understood that the door panel 100 may be composed of two sub-door panels 100 of the first sub-door panel 150 and the second sub-door panel 160, or may be composed of a plurality of sub-door panels 100 such as three sub-door panels 100 or four sub-door panels 100, that is, one or more sub-door panels 100 are disposed between the first sub-door panel 150 and the second sub-door panel 160. Wherein two adjacent sub-door panels 100 are connected by a hinge.

In the following description, taking the door panel 100 as an example, which is formed by two sub-door panels 100 of the first sub-door panel 150 and the second sub-door panel 160, referring to fig. 1, the door frame 200 includes two left side frames 220 and right side frames 210 that are arranged at opposite intervals, and an upper frame 230 that connects the two side frames, the sub-door panel 100 that is arranged near the right side frame 210 of the door frame 200 is the first sub-door panel 150, the sub-door panel 100 that is arranged near the left side frame 220 of the door frame 200 is the second sub-door panel 160, and the width of the first sub-door panel 150 is smaller than the width of the second sub-door panel 160, and the first sub-door panel 150 and the second sub-door panel 160 are connected by a hinge 163. Further, the ratio of the length of the width of first sub-door panel 150 to the length of the width of second sub-door panel 160 is in the range of 2:8 to 4: 6.

Preferably, the length ratio between the width of first sub-door panel 150 and the width of second sub-door panel 160 is 3:7, the arrangement of the proportion can realize the structure of the folding door with the door opening width of a conventional room capable of being installed, reduces the occupied space of the folding door when the folding door is opened (see figure 4), and compared with a common sliding door or folding door, the dead angle range is reduced by two thirds, so that even if the folding door is a narrow passageway, enough channel width can be vacated, and people using a wheelchair can easily pass through the folding door.

It is understood that in other embodiments, the ratio of the length of the width of first sub-door panel 150 to the width of second sub-door panel 160 may be 4:6, or 5:5, or 2:8, among other ratios.

It is easily understood that the sub-door panel 100 disposed near the left side frame 220 of the door frame 200 may be the first sub-door panel 150, and the sub-door panel 100 disposed near the right side frame 210 of the door frame 200 may be the second sub-door panel 160, where the first sub-door panel 150 and the second sub-door panel 160 are connected by the hinge 163.

In some of these embodiments, the folding door further includes a hardware assembly 151, a holder 152, and a pivot 153, and the first sub-door panel 150 is connected to the door frame 200 through the hardware assembly 151, the holder 152, and the pivot 153, so that the door panel 100 is connected to the door frame 200, the hardware assembly 151 is disposed above a side frame of the first sub-door panel 150 adjacent to the door frame 200, and the holder 152 and the pivot 153 are disposed below a side frame of the first sub-door panel 150 adjacent to the door frame 200. Referring to fig. 1, hardware assembly 151 is disposed at the upper right corner of first sub-door panel 150, and holder 152 and pivot 153 are disposed at the lower right corner of first sub-door panel 150. Specifically, the upper right corner of the first sub-door panel 150 is provided with a first slot, the hardware assembly 151 is disposed in the first slot, the lower right corner of the first sub-door panel 150 is provided with a second slot and a third slot, the retainer 152 is disposed in the second slot, and the pivot 153 is disposed in the third slot.

The inner side of the upper frame 230 is provided with a guide rail 231 along the length direction thereof, and in particular, the inner side of the upper frame 230 is provided with a first groove along the length direction thereof, and the guide rail 231 is disposed in the first groove, thereby having a sealing and sound insulation effect. The guide rail 231 is provided with a sliding member connected with the second sub-door panel 160 to smoothly open and close the folding door.

In some of these embodiments, the folding door further comprises a door closer 232, the door closer 232 being arranged on the guide rail 231, the door closer 232 being connected to the second sub-door panel 160. The arrangement of the door closer 232 can effectively prevent noise from being generated when the door is closed, and the folding door can be automatically closed by the door closer 232 when the door is forgotten to be closed, so that the buffer function can be achieved no matter the door is opened from left or right.

In some of these embodiments, the sliding component is a rolling bearing 233, the rolling bearing 233 being disposed on a side of the door closer 232 proximate to the first sub-door panel 150 to prevent the door closer 232 from interfering with the movement of the rolling bearing 233. It is understood that the sliding component may also be a slider, a guide block, or other sliding component. The special roller and the low-abrasion bearing of the suspension type folding door are adopted, so that the folding door can realize the function of smooth operation.

The door panel 100 is further provided with a lock cylinder 161 and a handle 162, wherein the lock cylinder 161 is arranged below the handle 162, so that the folding door can be conveniently opened and closed. Specifically, referring to fig. 1, a lock cylinder 161 and a handle 162 are provided on the second sub-door panel 160, and the door panel 100 can be locked with the door frame 200 by providing the lock cylinder 161.

The soundproof assembly comprises an automatic lifting soundproof strip 170, the automatic lifting soundproof strip 170 is arranged at the bottom of the door plate 100, and when the folding door is closed, the bottom of the door plate 100 can form a sealing structure with the ground through the automatic lifting soundproof strip 170, so that noise is effectively prevented from entering a room from a door bottom gap through air propagation.

Specifically, referring to fig. 6, a second groove is formed in the bottom of the door panel 100 in the horizontal direction, and the automatically elevating sound insulation bar 170 is disposed in the second groove, and the automatically elevating sound insulation bar 170 can move up and down in the second groove. Still further, referring to fig. 7, the automatic lifting sound insulation strip 170 includes an outer aluminum profile 171, an inner aluminum profile 173, a copper plug 172, a sound insulation strip 174 and a spring, wherein a third groove is downwardly formed in the outer aluminum profile 171, the copper plug 172 is disposed in the third groove, a part of the copper plug 172 is disposed outside the second groove, a copper plug 172 is disposed at one end, close to the left side frame 220, of the third groove, a fourth groove is downwardly formed in the inner aluminum profile 173, a sound insulation strip 174 is disposed in the fourth groove, and the sound insulation strip 174 is connected with the copper plug 172 through the spring.

In some embodiments, the sound insulation strip 174 is a rubber sealing strip, and in other embodiments, the sound insulation strip 174 may be a silica gel sealing strip, a 3M glue sound insulation wind-proof strip, or other sound insulation strips. The following will describe an example of the rubber joint strip.

As can be appreciated, when the folding door is closed, the portion of the copper plug 172 disposed outside the second groove is pressed against the door frame 200, so that the end of the spring close to the copper plug 172 is compressed, and thus the end of the spring close to the rubber sealing strip is extended, the rubber sealing strip is ejected outwards and pressed against the ground, and a sealing structure is formed, and the spring is still in a compressed state; when the folding door is unfolded, the copper plug 172 stretches out of the second groove, and one end of the spring, which is close to the copper plug 172, stretches out, so that the spring drives the rubber sealing rubber strip to rebound to the inner aluminum profile 173, and the rubber sealing rubber strip leaves the ground. This kind of structure setting of automatic rising sound insulation strip 170 is favorable to carrying out the lift operation to rubber sealing rubber strip, has realized retracting rubber sealing rubber strip when opening the door, stretches out rubber sealing rubber strip and seals when closing the door.

In some of these embodiments, the acoustic baffle assembly further comprises a sealing acoustic baffle strip disposed between adjacent two sub-door panels 100. It is readily appreciated that sealing and sound insulating strips may also be provided between first sub-door panel 150 and/or second sub-door panel 160 and door frame 200.

It can be understood that the sealing and sound insulation strip can be a rubber sealing adhesive strip, and can also be other sealing and sound insulation strips such as a silica gel sealing adhesive strip, a 3M rubber sound insulation wind-proof strip and the like.

Other constructions and operations of the folding door according to the embodiments of the present utility model are known to those skilled in the art and will not be described in detail herein.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. Folding door, its characterized in that includes:

the door plate comprises at least two sub door plates, and every two adjacent sub door plates are connected through a hinge, so that the door plate can be folded;

the door frame is arranged on the periphery of the door frame, the door frame comprises two side frames which are arranged at intervals relatively and an upper frame which is connected with the two side frames, a sub door plate which is arranged close to one side frame is a first sub door plate, a sub door plate which is arranged close to the other side frame is a second sub door plate, the first sub door plate is connected with the door frame through a hinge, a guide rail is arranged on the inner side of the upper frame along the length direction of the guide rail, a sliding part is arranged on the guide rail, and the sliding part is connected with the second sub door plate so as to realize smooth opening and closing of the folding door;

the sound insulation assembly comprises an automatic lifting sound insulation strip, the automatic lifting sound insulation strip is arranged at the bottom of the door plate, and when the folding door is closed, the bottom of the door plate can form a sealing structure with the ground through the automatic lifting sound insulation strip.

2. The folding door of claim 1, wherein: the door plate comprises a first sub door plate and a second sub door plate, wherein the width of the first sub door plate is smaller than that of the second sub door plate, and the first sub door plate is connected with the second sub door plate through a hinge.

3. The folding door of claim 2, wherein: the length ratio of the width of the first sub-door panel to the width of the second sub-door panel is in the range of 2:8 to 4: 6.

4. The folding door of claim 1, wherein: the inner side of the upper frame is provided with a first groove along the length direction of the upper frame, the guide rail is arranged in the first groove, the folding door further comprises a door closer, the door closer is arranged on the guide rail, and the door closer is connected with the second sub-door plate.

5. The folding door of claim 4, wherein: the sliding component is a rolling bearing, and the rolling bearing is arranged on one side of the door closer close to the first sub-door plate so as to prevent the door closer from interfering the movement of the rolling bearing.

6. The folding door of claim 1, wherein: the bottom of door plant is seted up a second recess along the horizontal direction, automatic lift sound insulation strip set up in the second recess, automatic lift sound insulation strip can reciprocate in the second recess.

7. The folding door of claim 6, wherein: the automatic lifting sound insulation strip comprises an outer aluminum profile, an inner aluminum profile, a copper plug, a sound insulation strip and a spring, wherein a third groove is formed in the outer aluminum profile downwards, the third groove is close to one end of the side frame, the copper plug is arranged at one end of the side frame, a part of the copper plug is arranged outside the second groove, the inner aluminum profile is further arranged in the third groove, a fourth groove is formed in the inner aluminum profile downwards, the sound insulation strip is arranged in the fourth groove, and the sound insulation strip is connected with the copper plug through the spring.

8. The folding door of claim 1, wherein: the door plate comprises an outer plate layer, a high-molecular damping sound insulation felt layer, an inner plate layer, an environment-friendly composite acoustic sound insulation cotton layer with LVL solid wood keels, an inner plate layer, a high-molecular damping sound insulation felt layer and an outer plate layer which are sequentially laminated.

9. The folding door of claim 1, wherein: the sound insulation assembly further comprises sealing sound insulation strips, the sealing sound insulation strips are arranged between every two adjacent sub-door panels, and the sealing sound insulation strips are also arranged between the first sub-door panels and/or the second sub-door panels and the door frame.

10. The folding door of claim 1, wherein: the door plate is provided with a lock cylinder and a handle, and the lock cylinder is arranged below the handle, so that the folding door can be conveniently opened and closed.