Roller shutter door for private garage

Abstract

The utility model discloses a private garage roller shutter door, which belongs to the technical field of roller shutter doors, and comprises a roller shutter door plate, a motor, a side mounting frame and a reel, two ends of the reel are respectively rotatably connected with the side mounting frame, the outer wall of the reel is connected with the upper end of the roller shutter door plate, two sides of the reel are connected with a motor shaft of the motor, and the motor shaft is connected with the side mounting frame. The winding device is characterized in that the winding shaft comprises a middle shaft and a side shaft, the two ends of the middle shaft are connected with the side shaft respectively, the outer end of the side shaft is provided with an outer pipe cavity, the inner end of the side shaft is provided with an inner pipe cavity, the motor is installed in the outer pipe cavity, and the centering mechanism is installed in the inner pipe cavity. Centering shafts are arranged at the two ends of the middle shaft respectively, and the centering shafts and the middle shaft are coaxially arranged. Compared with the prior art, the structure has the characteristics of improving the structural rigidity of the reel and being convenient to disassemble and transport.

Description

Technical Field

[0001] The utility model relates to the technical field of rolling shutter doors, in particular to a private garage rolling shutter door. Background Art

[0002] Garage rolling door is a type of door suitable for garages, commercial storefront garages, ordinary residences, villas and other places. It is made of solid aluminum alloy or steel materials, with anti-theft locking, special control and other security protection measures, which can well protect the vehicles and items in the garage.

[0003] The maximum width of garage rolling shutter doors on the market is usually between 4 meters and 12 meters. When the width of the garage rolling shutter door reaches a larger size, a longer reel is needed to support and roll up the door body. However, as the length of the reel increases, the structural rigidity of a single reel will also be weakened accordingly. When rotating and rolling up the rolling shutter door panel, this longer reel is prone to shaking, which not only affects the rolling effect of the rolling shutter, but may also cause the rolling shutter to get stuck during the rolling process, thus affecting the normal use of the door body.

[0004] In addition, the excessive length of the reel will bring another problem, which is the difficulty of transportation and installation. Due to the large size of the reel, it not only increases the cost and risk of transportation, but also requires more space and manpower during the installation process. This undoubtedly increases the difficulty and cost of the entire project. Summary of the invention

[0005] The utility model aims to provide a private garage rolling door to address the deficiencies of the above prior art, so as to improve the rigidity of the roller structure and facilitate disassembly and transportation.

[0006] The utility model provides a private garage rolling shutter door, comprising a rolling shutter door plate, a motor, a side mounting frame and a roller, wherein the two ends of the roller are respectively rotatably connected to the side mounting frame, the outer wall of the roller is connected to the upper end of the rolling shutter door plate, the rolling shutter door plate is rolled onto the roller, the two sides of the roller are connected to the motor shaft of the motor, and the outer end of the motor is fixedly connected to the side mounting frame through the connecting frame; it is characterized in that: the roller comprises an intermediate shaft and a side shaft, the two ends of the intermediate shaft are respectively connected to the one side shaft, the outer end of the side shaft is provided with an outer tube cavity, the inner end is provided with an inner tube cavity, the motor is installed in the outer tube cavity, the inner tube cavity is provided with a centering mechanism, the two ends of the intermediate shaft are respectively provided with a centering shaft, the centering shaft and the intermediate shaft are coaxially arranged, and the centering mechanism comprises an inner connecting tube, an outer connecting tube, a positioning bead and a first spring, the outer connecting tube is provided with a guide blind hole opened at the inner end, the inner connecting tube is provided with a centering through hole, the inner end of the inner connecting tube is provided with a flange, and the inner connecting The flange of the tube is connected to the inner wall of the inner tube cavity of the side shaft, the inner connecting tube and the side shaft are coaxially arranged, the outer connecting tube is sleeved on the outer side of the inner connecting tube, the two are coaxially arranged, the outer end wall of the outer connecting tube is connected to the end wall of the inner tube cavity through a first spring, the wall of the inner connecting tube is provided with a plurality of placement holes evenly arranged in a circular shape, positioning beads are installed in the placement holes, the placement holes of the inner connecting tube are located on the inner wall with an opening diameter smaller than the diameter of the positioning balls, a part of the positioning beads pass through the placement holes and are exposed in the centering through hole; the inner wall of the guide blind hole of the outer connecting tube is provided with a plurality of guide grooves evenly arranged in a circular shape, the depth of the guide groove gradually becomes shallower from the outer end to the inner end, so that the bottom wall of the guide groove is inclined; the guide groove corresponds to the positioning bead, the bottom wall of the guide groove is pressed on the outer end of the positioning bead, the centering shaft passes through the centering through hole of the inner connecting tube and is inserted into the guide blind hole of the outer connecting tube, the positioning bead squeezes the centering shaft and arranges it in a centering manner.

[0007] Furthermore, a reel box is installed on the outer side of the reel, an opening is provided at the lower end of the reel box, slide rails are installed on both sides of the reel box opening, slide ways are provided on the slide rails, and both sides of the rolling shutter door panel are slidably matched with the slide ways on the slide rails.

[0008] Furthermore, cylindrical bosses are respectively installed at both ends of the intermediate shaft, the cylindrical bosses are coaxially arranged with the intermediate shaft, the cylindrical bosses cooperate with the inner tube cavity of the side shaft, the outer wall of the cylindrical bosses is provided with two symmetrically distributed protrusions, the inner wall of the inner tube cavity of the side shaft is provided with an annular positioning groove, and the inner end wall of the side shaft is provided with two symmetrically distributed notches, the notches are communicated with the annular positioning groove, the notches correspond to the protrusions, the protrusions are placed in the annular positioning grooves through the notches, and the protrusions and the notches are staggered by rotating the intermediate shaft and the side shaft.

[0009] Furthermore, the external connecting tube is connected to the internal connecting tube through a locking mechanism, which includes a positioning pin and a second spring. A blind hole is provided at the outer end of the protrusion, in which a positioning pin is installed, and the positioning pin is connected to the bottom of the blind hole through the second spring. A positioning through hole corresponding to the positioning pin is provided on the bottom of the annular positioning groove of the side shaft, and the positioning pin is inserted into the positioning through hole of the annular positioning groove.

[0010] Compared with the prior art, the utility model has the following outstanding beneficial effects:

[0011] 1. The centering shaft of the intermediate shaft of the utility model is inserted into the inner tube cavity of the side shaft and connected in a centering manner through a centering mechanism, which not only does not affect the coaxiality of the reel, but also improves the structural rigidity of the reel;

[0012] 2. The reel of the utility model includes a middle shaft and two side shafts. When in use, the middle shaft and the two side shafts can be assembled into a completed reel. When transporting, the reel can be split into three shafts for easy transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the reel box of the utility model;

[0015] Figure 3 It is a schematic diagram of the internal structure of the scroll of the utility model;

[0016] Figure 4 yes Figure 3 A partial enlarged view of part A;

[0017] Figure 5 yes Figure 3 A partial enlarged view of part B;

[0018] Figure 6 It is a structural schematic diagram of the intermediate shaft part of the utility model;

[0019] Figure 7 yes Figure 6 A partial enlarged view of part C. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0021] like Figure 1 and 2 As shown, the utility model includes a rolling door panel 3, a motor, a side mounting frame 4 and a rolling shaft 6.

[0022] The two ends of the reel 6 are rotatably connected to the side mounting frame 4 , respectively. The outer wall of the reel 6 is fixedly connected to the upper end of the rolling door plate 3 , and the rolling door plate 3 can be rolled onto the reel 6 .

[0023] Both sides of the reel 6 are connected to the motor shaft of the motor. In the present embodiment, the motor is a tubular motor 63. Both ends of the reel 6 are provided with tubular cavities, in which the tubular motor 63 is installed. The motor shaft of the tubular motor 63 is fixedly connected to the reel 6, and the outer end of the tubular motor 63 is fixedly connected to the side mounting frame 4 via the connecting frame 5.

[0024] In the optimization scheme, a reel box 2 is installed on the outer side of the reel 6, an opening is provided at the lower end of the reel box 2, slide rails 1 are installed on both sides of the opening of the reel box 2, and a slide track is provided on the slide rail 1. The two sides of the rolling door panel 3 are respectively slidably matched with the slide tracks on the slide rails 1, and the rolling door panel 3 can pass through the opening of the reel box 2 and move along the slide track.

[0025] The reel 6 comprises an intermediate shaft 62 and a side shaft 61, the two ends of the intermediate shaft 62 are respectively connected to the side shaft 61, the outer end of the side shaft 61 is provided with an outer tubular cavity, the inner end is provided with an inner tubular cavity, a tubular motor 63 is installed in the outer tubular cavity, a centering mechanism 64 is installed in the inner tubular cavity, the two ends of the intermediate shaft 62 are respectively provided with a centering shaft 621, the centering shaft 621 is coaxially arranged with the intermediate shaft 62, the centering shaft 621 is inserted into the centering mechanism 64 of the inner tubular cavity of the side shaft 61, and the intermediate shaft 62 and the side shaft 61 are arranged coaxially through the centering mechanism 64.

[0026] like Figure 3 and 4 As shown, the centering mechanism 64 includes an inner connecting tube 642, an outer connecting tube 641, a positioning bead 643 and a first spring. The outer connecting tube 641 is provided with a guide blind hole with an inner end opening, the inner connecting tube 642 is provided with a centering through hole, the inner end of the inner connecting tube 642 is provided with a flange, the flange of the inner connecting tube 642 is fixedly connected to the inner wall of the inner tube cavity of the side shaft 61, the inner connecting tube 642 is coaxially arranged with the side shaft 61, the outer connecting tube 641 is sleeved on the outer side of the inner connecting tube 642, and slides with the inner tube cavity of the side shaft 61, the two are coaxially arranged, and the outer end wall of the outer connecting tube 641 is connected to the end wall of the inner tube cavity through the first spring.

[0027] The wall of the inner connecting tube 642 is provided with a plurality of placement holes evenly arranged in a circular shape, and positioning beads 643 are installed in the placement holes. The opening of the placement hole of the inner connecting tube 642 on the inner wall is smaller than the opening on the outer wall, the opening diameter of the placement hole on the inner wall is smaller than the diameter of the positioning ball, and the opening diameter of the placement hole on the outer wall is larger than the diameter of the positioning ball, so that a part of the positioning bead 643 passes through the placement hole and is exposed in the centering through hole.

[0028] The inner wall of the guide blind hole of the outer connecting tube 641 is provided with a plurality of guide grooves evenly arranged in a circumferential shape, and the depth of the guide groove gradually becomes shallower from the outer end to the inner end, so that the bottom wall of the guide groove is inclined. The guide groove corresponds to the positioning bead 643, and the bottom wall of the guide groove is pressed on the outer end of the positioning bead 643. The centering shaft 621 passes through the centering through hole of the inner connecting tube 642 and is inserted into the guide blind hole of the outer connecting tube 641, pressing the outer connecting tube 641 toward the outer end, compressing the first spring, and when the outer connecting tube 641 moves toward the outer end, the plurality of guide grooves simultaneously press the positioning bead 643, and the positioning bead 643 exposes the placement hole to press the centering shaft 621, and arranges it in a centering manner.

[0029] like Figures 5 to 7 As shown, the outer connecting cylinder 641 and the inner connecting cylinder 642 are connected by a locking mechanism 65, and the locking mechanism 65 includes a positioning pin 651 and a second spring. Cylindrical bosses 622 are respectively installed at both ends of the intermediate shaft 62, and the cylindrical boss 622 is coaxially arranged with the intermediate shaft 62. The cylindrical boss 622 cooperates with the inner tube cavity of the side shaft 61, and two symmetrically distributed protrusions 623 are provided on the outer wall of the cylindrical boss 622. An annular positioning groove is provided on the inner wall of the inner tube cavity of the side shaft 61, and two symmetrically distributed notches are provided on the inner end wall of the side shaft 61. The notches are communicated with the annular positioning groove, and the notches correspond to the protrusions 623. The protrusions 623 can be placed in the annular positioning groove through the notches. By rotating the intermediate shaft 62 and the side shaft 61, the protrusions 623 can be staggered with the notches, so that the intermediate shaft 62 and the side shaft 61 are connected.

[0030] The outer end of the protrusion 623 is provided with a blind hole, in which a positioning pin 651 is installed, and the positioning pin 651 is connected to the bottom of the blind hole through a second spring. The bottom of the annular positioning groove of the side shaft 61 is provided with a positioning through hole corresponding to the positioning pin 651, and the positioning pin 651 is inserted into the positioning through hole of the annular positioning groove, so that the intermediate shaft 62 and the side shaft 61 are fixedly connected.

[0031] The operation process is as follows: when using the utility model, the middle shaft 62 is connected to the two side shafts 61, the centering shaft 621 of the middle shaft 62 passes through the centering through hole of the inner connecting tube 642 and is inserted into the guide blind hole of the outer connecting tube 641, and the outer connecting tube 641 is pressed toward the outer end to compress the first spring. When the outer connecting tube 641 moves toward the outer end, multiple guide grooves simultaneously squeeze the positioning beads 643, and the positioning beads 643 expose the placement holes to center the centering shaft 621. The protrusion 623 can be placed in the annular positioning groove through the notch. By rotating the middle shaft 62 and the side shaft 61, the protrusion 623 can be staggered with the notch, so that the positioning pin 651 is aligned with the positioning through hole of the annular positioning groove and inserted into the positioning through hole of the annular positioning groove, thereby completing the assembly of the entire reel 6, and then completing the assembly of other parts.

[0032] It should be noted that the specific embodiments of the present invention have been described in detail. For those skilled in the art, various obvious changes to the present invention without departing from the spirit and scope of the present invention are within the protection scope of the present invention.

Claims

1. A private garage rolling door comprises a rolling door panel (3), a motor, a side mounting frame (4) and a reel (6), wherein both ends of the reel (6) are rotatably connected to the side mounting frame (4), an outer wall of the reel (6) is connected to the upper end of the rolling door panel (3), the rolling door panel (3) is rolled onto the reel (6), both sides of the reel (6) are connected to the motor shaft of the motor, and the outer end of the motor is connected to the side mounting frame (4) via a connecting frame (5); the characteristics are: The reel (6) comprises an intermediate shaft (62) and a side shaft (61), the two ends of the intermediate shaft (62) are respectively connected to the side shaft (61), the outer end of the side shaft (61) is provided with an outer tube cavity, the inner end is provided with an inner tube cavity, a motor is installed in the outer tube cavity, and a centering mechanism (64) is installed in the inner tube cavity, the two ends of the intermediate shaft (62) are respectively provided with a centering shaft (621), the centering shaft (621) and the intermediate shaft (62) are coaxially arranged, and the centering mechanism (64) comprises an inner connecting tube (642), an outer connecting tube (641), a positioning bead (643) and a first spring, the outer connecting tube (641) is provided with a guide blind hole with an inner end opening, the inner connecting tube (642) is provided with a centering through hole, the inner end of the inner connecting tube (642) is provided with a flange, the flange of the inner connecting tube (642) is connected to the inner wall of the inner tube cavity of the side shaft (61), the inner connecting tube (642) and the side shaft (61) are coaxially arranged, the outer connecting tube (641) is sleeved on the outer side of the inner connecting tube (642), and the two are The outer end wall of the outer connecting tube (641) is connected to the end wall of the inner tube cavity through a first spring, and a plurality of placement holes evenly arranged in a circumferential shape are provided on the wall of the inner connecting tube (642). Positioning beads (643) are installed in the placement holes. The placement holes of the inner connecting tube (642) are located on the inner wall, and the opening diameter is smaller than the diameter of the positioning balls. A part of the positioning beads (643) passes through the placement holes and is exposed in the centering through hole. The outer connecting tube (641) guides the inner blind hole. A plurality of guide grooves evenly arranged in a circular shape are provided on the wall, and the depth of the guide groove gradually becomes shallower from the outer end to the inner end, so that the bottom wall of the guide groove is inclined; the guide groove corresponds to the positioning bead (643), and the bottom wall of the guide groove is pressed on the outer end of the positioning bead (643). The centering shaft (621) passes through the centering through hole of the inner connecting tube (642) and is inserted into the guide blind hole of the outer connecting tube (641). The positioning bead (643) squeezes the centering shaft (621) to arrange it in a centering manner.

2. A private garage rolling door according to claim 1, characterized in that: A reel box (2) is installed on the outer side of the reel (6), an opening is provided at the lower end of the reel box (2), slide rails (1) are installed on both sides of the opening of the reel box (2), slide tracks are provided on the slide rails (1), and both sides of the rolling shutter door panel (3) are slidably matched with the slide tracks on the slide rails (1).

3. The private garage rolling door according to claim 1, characterized in that: The two ends of the intermediate shaft (62) are respectively provided with cylindrical bosses (622), the cylindrical bosses (622) and the intermediate shaft (62) are coaxially arranged, the cylindrical bosses (622) match the inner tube cavity of the side shaft (61), the outer wall of the cylindrical bosses (622) is provided with two symmetrically distributed protrusions (623), the inner wall of the inner tube cavity of the side shaft (61) is provided with an annular positioning groove, the inner end wall of the side shaft (61) is provided with two symmetrically distributed notches, the notches are communicated with the annular positioning groove, the notches correspond to the protrusions (623), the protrusions (623) are placed in the annular positioning groove through the notches, and the protrusions (623) are staggered with the notches by rotating the intermediate shaft (62) and the side shaft (61).

4. The private garage rolling door according to claim 3, characterized in that: The outer connecting tube (641) and the inner connecting tube (642) are connected via a locking mechanism (65), the locking mechanism (65) comprising a positioning pin (651) and a second spring, a blind hole is provided at the outer end of the protrusion (623), a positioning pin (651) is installed in the blind hole, and the positioning pin (651) is connected to the bottom of the blind hole via the second spring; a positioning through hole corresponding to the positioning pin (651) is provided at the bottom of the annular positioning groove of the side shaft (61), and the positioning pin (651) is inserted into the positioning through hole of the annular positioning groove.

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